/* roulang page: index */
:root {
            --color-brand: #22c55e;
            --color-brand-dark: #15803d;
            --color-brand-light: #86efac;
            --color-accent: #f97316;
            --color-accent-dark: #c2410c;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f5;
            --color-surface: #ffffff;
            --color-text: #171717;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1);
            --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.2);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: transparent;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-brand);
            transform: scale(1.02);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 5px 6px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .nav-item:hover {
            color: var(--color-brand-dark);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }
        .nav-item.active {
            color: var(--color-brand-dark);
            background: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }
        .nav-item .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .nav-cta-btn {
            margin-left: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-border);
        }
        @media (max-width: 1024px) {
            .nav-panel {
                gap: 2px;
                padding: 4px;
            }
            .nav-item {
                padding: 8px 12px;
                font-size: 0.82rem;
                gap: 4px;
            }
            .nav-cta-btn {
                padding: 9px 16px;
                font-size: 0.82rem;
                margin-left: 4px;
            }
        }
        @media (max-width: 768px) {
            .nav-panel {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: #fff;
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
                box-shadow: var(--shadow-xl);
                padding: 12px;
                gap: 4px;
                z-index: 999;
                border: 1px solid var(--color-border-light);
            }
            .nav-panel.open {
                display: flex;
            }
            .nav-item {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                padding: 13px;
                margin-top: 4px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                height: 60px;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #0a1a0f 0%, #0d2818 30%, #0f1f14 60%, #0a150e 100%);
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 60px 0 80px;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            mix-blend-mode: overlay;
            pointer-events: none;
        }
        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 197, 94, 0.25) 0%, transparent 70%);
            top: -100px;
            right: -80px;
            pointer-events: none;
            animation: heroGlowPulse 6s ease-in-out infinite;
        }
        .hero-glow-2 {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.2) 0%, transparent 70%);
            bottom: -60px;
            left: -60px;
            pointer-events: none;
            animation: heroGlowPulse 8s ease-in-out infinite reverse;
        }
        @keyframes heroGlowPulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.7;
            }
            50% {
                transform: scale(1.25);
                opacity: 1;
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0 50px;
            }
        }
        .hero-badge-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .hero-badge.hot {
            background: #fef2f2;
            color: #dc2626;
            border: 1px solid #fecaca;
            animation: badgePulse 2s ease-in-out infinite;
        }
        .hero-badge.limited {
            background: #fffbeb;
            color: #d97706;
            border: 1px solid #fde68a;
        }
        .hero-badge.new {
            background: #f0fdf4;
            color: #16a34a;
            border: 1px solid #bbf7d0;
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.35);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
            }
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 18px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #4ade80, #22c55e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 520px;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
                max-width: 100%;
                margin: 0 auto 24px;
            }
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .hero-cta-group {
                justify-content: center;
            }
        }
        .btn-primary-hero {
            padding: 15px 32px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
            transition: all var(--transition-bounce);
            letter-spacing: -0.01em;
            position: relative;
            overflow: hidden;
        }
        .btn-primary-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(249, 115, 22, 0.6);
        }
        .btn-primary-hero:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.4);
        }
        .btn-primary-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.2) 50%, transparent 60%);
            transform: translateX(-100%);
            transition: transform 0.6s;
        }
        .btn-primary-hero:hover::after {
            transform: translateX(100%);
        }
        .btn-outline-hero {
            padding: 14px 30px;
            border-radius: var(--radius-xl);
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }
        .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-xl);
            padding: 22px 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-smooth);
        }
        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateX(4px);
        }
        .hero-stat-num {
            font-size: 2.4rem;
            font-weight: 900;
            color: #4ade80;
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .hero-visual {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .hero-stat-card {
                flex: 1 1 120px;
                min-width: 120px;
                flex-direction: column;
                text-align: center;
                padding: 16px;
                gap: 8px;
            }
            .hero-stat-num {
                font-size: 1.8rem;
            }
        }

        /* Section Common */
        .section-block {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-brand);
            background: #f0fdf4;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 600px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 36px;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-brand), var(--color-brand-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: #f0fdf4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-brand);
            margin-bottom: 16px;
            transition: all var(--transition-smooth);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-brand);
            color: #fff;
            transform: scale(1.08);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        /* Tier Cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        @media (max-width: 900px) {
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 450px;
                margin-left: auto;
                margin-right: auto;
            }
        }
        .tier-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            text-align: center;
        }
        .tier-card.recommended {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
        }
        .tier-card.recommended::before {
            content: '最受欢迎';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 5px 18px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-4px);
        }
        .tier-card.recommended:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .tier-name {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .tier-price {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-brand-dark);
            letter-spacing: -0.03em;
            margin-bottom: 4px;
        }
        .tier-price span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-muted);
        }
        .tier-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .tier-features {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
        }
        .tier-features li {
            padding: 7px 0;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .tier-features li:last-child {
            border-bottom: none;
        }
        .tier-features li i {
            color: var(--color-brand);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .btn-tier {
            display: inline-block;
            width: 100%;
            padding: 13px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .btn-tier.primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }
        .btn-tier.primary:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }
        .btn-tier.outline {
            background: #fff;
            color: var(--color-brand-dark);
            border: 2px solid var(--color-border);
        }
        .btn-tier.outline:hover {
            border-color: var(--color-brand);
            background: #f0fdf4;
        }

        /* Ladder */
        .ladder-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 32px;
            max-width: 700px;
        }
        .ladder-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .ladder-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(3px);
        }
        .ladder-step {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .ladder-item.reached .ladder-step {
            background: #d4d4d4;
        }
        .ladder-info h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .ladder-info p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .ladder-badge {
            margin-left: auto;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            background: #fef2f2;
            color: #dc2626;
            flex-shrink: 0;
        }
        .ladder-item.reached .ladder-badge {
            background: #f0fdf4;
            color: #16a34a;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        @media (max-width: 900px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin-left: auto;
                margin-right: auto;
            }
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 26px 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .testimonial-stars {
            color: #f59e0b;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #e5e5e5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #737373;
        }
        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* News */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 28px;
        }
        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
            }
        }
        .news-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .news-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }
        .news-readmore {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-brand);
            align-self: flex-start;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-readmore:hover {
            color: var(--color-brand-dark);
            gap: 8px;
        }

        /* FAQ */
        .faq-list {
            max-width: 750px;
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--color-brand-light);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--color-text);
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafafa;
        }
        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-brand);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #0a1a0f 0%, #0d2818 50%, #0f1f14 100%);
            border-radius: var(--radius-2xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 24px;
        }
        @media (max-width: 768px) {
            .cta-section {
                margin: 0 16px;
                padding: 36px 20px;
                border-radius: var(--radius-xl);
            }
        }
        .cta-section .cta-glow {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 197, 94, 0.2) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 2;
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            position: relative;
            z-index: 2;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 16px 38px;
            border-radius: var(--radius-xl);
            background: #fff;
            color: #0a1a0f;
            font-weight: 800;
            font-size: 1.05rem;
            position: relative;
            z-index: 2;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-bounce);
            letter-spacing: -0.01em;
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
            background: #f0fdf4;
        }

        /* Floating Bar */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(23, 23, 23, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
        }
        .floating-cta-bar.visible {
            transform: translateY(0);
        }
        .floating-cta-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: -0.01em;
        }
        .floating-cta-text strong {
            color: #4ade80;
        }
        .btn-floating {
            padding: 10px 24px;
            border-radius: var(--radius-xl);
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
            transition: all var(--transition-smooth);
        }
        .btn-floating:hover {
            box-shadow: 0 8px 22px rgba(249, 115, 22, 0.6);
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .floating-cta-bar {
                flex-direction: column;
                gap: 10px;
                padding: 12px 16px;
                text-align: center;
            }
            .floating-cta-text {
                font-size: 0.85rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #0a0a0a;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .footer-col h4 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #4ade80;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #4ade80;
        }
        @media (max-width: 520px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* Brand Intro */
        .brand-intro-block {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 30px;
            border: 1px solid var(--color-border-light);
            line-height: 1.85;
            font-size: 0.95rem;
            color: var(--color-text-soft);
            position: relative;
        }
        .brand-intro-block::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 5rem;
            color: #e5e5e5;
            font-weight: 900;
            line-height: 1;
            pointer-events: none;
            z-index: 0;
        }
        .brand-intro-block p {
            position: relative;
            z-index: 1;
        }

        /* Process */
        .process-steps {
            display: flex;
            gap: 20px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .process-step {
            flex: 1;
            min-width: 180px;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .process-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f0fdf4;
            color: var(--color-brand-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .process-step h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* Assurance */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 28px;
        }
        @media (max-width: 900px) {
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .assurance-grid {
                grid-template-columns: 1fr;
            }
        }
        .assurance-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .assurance-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-brand-light);
        }
        .assurance-icon {
            font-size: 1.6rem;
            color: var(--color-brand);
            margin-bottom: 8px;
        }
        .assurance-card h4 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .assurance-card p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-12 {
            gap: 12px;
        }

        @media (max-width: 768px) {
            .hide-mobile {
                display: none;
            }
        }
        @media (min-width: 769px) {
            .hide-desktop {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --color-brand: #22c55e;
            --color-brand-dark: #15803d;
            --color-brand-light: #86efac;
            --color-accent: #f97316;
            --color-accent-dark: #c2410c;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f5;
            --color-surface: #ffffff;
            --color-text: #171717;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --color-dark-panel: #1a1a1a;
            --color-dark-panel-alt: #242424;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1);
            --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.2);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-brand);
            transform: scale(1.02);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 5px 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-panel::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            border-radius: var(--radius-lg);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
            flex-shrink: 0;
        }

        .nav-item:hover {
            color: var(--color-brand-dark);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .nav-item.active {
            color: var(--color-brand-dark);
            background: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }

        .nav-item .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-cta-btn {
            margin-left: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text-soft);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-border);
            color: var(--color-text);
        }

        @media (max-width: 1024px) {
            .nav-panel {
                gap: 2px;
                padding: 4px 4px;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-item .nav-icon {
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                margin-left: 2px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .header-inner {
                height: 58px;
                gap: 10px;
            }
        }

        @media (max-width: 768px) {
            .nav-panel {
                position: fixed;
                top: 58px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-panel.mobile-open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-item {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                width: 100%;
                text-align: center;
                margin-left: 0;
                padding: 13px 20px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                height: 58px;
            }
        }

        /* Section Common */
        section {
            padding: 72px 0;
            position: relative;
        }

        @media (max-width: 768px) {
            section {
                padding: 48px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-brand-dark);
            background: rgba(34, 197, 94, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--color-text);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-soft);
            max-width: 640px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Hero Section */
        .hero-section {
            padding: 0;
            background: var(--color-dark-panel);
            position: relative;
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(26, 26, 26, 0.65) 50%, rgba(26, 26, 26, 0.8) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 80px 0;
            width: 100%;
        }

        .hero-left h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.04em;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 18px;
        }

        .hero-left h1 .highlight {
            color: var(--color-brand-light);
            position: relative;
        }

        .hero-left .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .btn-primary:hover {
            box-shadow: 0 10px 28px rgba(249, 115, 22, 0.55);
            transform: translateY(-3px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-xl);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(4px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.45);
            transform: translateY(-2px);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            backdrop-filter: blur(8px);
            transition: all var(--transition-smooth);
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateX(4px);
        }

        .hero-stat-card .stat-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .hero-stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-brand-light);
            letter-spacing: -0.03em;
        }

        .hero-stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .hero-stat-card .stat-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(34, 197, 94, 0.2);
            color: var(--color-brand-light);
        }

        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 0;
            }
            .hero-left h1 {
                font-size: 2rem;
            }
            .hero-left .hero-desc {
                font-size: 1rem;
            }
            .hero-stat-card .stat-number {
                font-size: 1.5rem;
            }
            .hero-section {
                min-height: auto;
            }
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .category-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-brand-light);
        }

        .category-card .cat-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(21, 128, 61, 0.12));
            color: var(--color-brand-dark);
            transition: all var(--transition-smooth);
        }

        .category-card:hover .cat-icon {
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            transform: scale(1.08);
        }

        .category-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            letter-spacing: -0.02em;
        }

        .category-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .category-card .cat-tag {
            display: inline-block;
            margin-top: 12px;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--color-bg-alt);
            color: var(--color-text-soft);
        }

        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-card {
                padding: 20px 16px;
            }
            .category-card h3 {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
            display: none;
        }

        @media (min-width: 769px) {
            .process-steps::before {
                display: block;
            }
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-surface);
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text-soft);
            margin: 0 auto 14px;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .process-step:hover .step-circle {
            border-color: var(--color-brand);
            color: var(--color-brand-dark);
            box-shadow: var(--shadow-glow);
            transform: scale(1.06);
        }

        .process-step .step-number {
            position: absolute;
            top: -8px;
            right: -8px;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .process-step h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .process-step .step-circle {
                width: 52px;
                height: 52px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* Event Cards */
        .event-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .event-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-brand-light);
        }

        .event-card .event-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .event-card .event-img .event-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.4);
        }

        .event-card .event-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card .event-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .event-card .event-body .event-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .event-card .event-body .event-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .event-card .event-body .event-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            flex: 1;
        }

        .event-card .event-body .event-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-brand-dark);
            transition: all var(--transition-fast);
        }

        .event-card .event-body .event-link:hover {
            color: var(--color-brand);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .event-list {
                grid-template-columns: 1fr;
            }
            .event-card .event-img {
                height: 160px;
            }
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--color-dark-panel);
            border-radius: var(--radius-2xl);
            padding: 40px 32px;
            margin: 0 auto;
        }

        .stat-item {
            text-align: center;
            padding: 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-smooth);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-item .stat-value {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-brand-light);
            letter-spacing: -0.04em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                padding: 28px 20px;
                gap: 12px;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 12px;
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }
            .stat-item .stat-value {
                font-size: 2rem;
            }
        }

        /* Benefits Grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .benefit-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-brand-light);
        }

        .benefit-card .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(249, 115, 22, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-brand-dark);
            margin: 0 auto 16px;
            transition: all var(--transition-smooth);
        }

        .benefit-card:hover .benefit-icon {
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            transform: scale(1.1);
        }

        .benefit-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .benefit-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .benefits-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .benefit-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .benefits-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Venue Cards */
        .venue-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .venue-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .venue-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .venue-card .venue-img {
            height: 140px;
            background-size: cover;
            background-position: center;
        }

        .venue-card .venue-info {
            padding: 14px 16px;
        }

        .venue-card .venue-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .venue-card .venue-info .venue-loc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .venue-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .venue-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .venue-card .venue-img {
                height: 110px;
            }
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-brand-light);
            margin-bottom: 10px;
            opacity: 0.6;
        }

        .testimonial-card .quote-text {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-brand-dark);
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-text);
            transition: color var(--transition-fast);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--color-brand-dark);
        }

        .faq-question .faq-arrow {
            font-size: 0.8rem;
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-dark-panel);
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 24px;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-bg-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(34, 197, 94, 0.08) 0%, transparent 70%);
            z-index: 0;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .cta-section .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.5);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .cta-section .btn-cta-large:hover {
            box-shadow: 0 14px 36px rgba(249, 115, 22, 0.65);
            transform: translateY(-4px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 20px;
                margin: 0 12px;
                border-radius: var(--radius-xl);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-section .btn-cta-large {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark-panel);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-brand-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-brand-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --color-brand: #22c55e;
            --color-brand-dark: #15803d;
            --color-brand-light: #86efac;
            --color-accent: #f97316;
            --color-accent-dark: #c2410c;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f5;
            --color-surface: #ffffff;
            --color-text: #171717;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --color-dark: #0a0a0a;
            --color-dark-surface: #1a1a1a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1);
            --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.2);
            --shadow-accent-glow: 0 0 36px rgba(249, 115, 22, 0.25);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-brand);
            transform: scale(1.02);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 5px 6px;
            flex-wrap: wrap;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .nav-item:hover {
            color: var(--color-brand-dark);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .nav-item.active {
            color: var(--color-brand-dark);
            background: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }

        .nav-item .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-cta-btn {
            margin-left: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            cursor: pointer;
            flex-shrink: 0;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0a0a0a 0%, #1a1a1a 40%, #0d1f14 100%);
            overflow: hidden;
            padding: 80px 0;
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            pointer-events: none;
            filter: brightness(0.6) saturate(0.7);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 60% 40%, rgba(34, 197, 94, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(249, 115, 22, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text-area {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #86efac;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(4px);
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
            }
        }

        .hero-title {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 900;
            line-height: 1.18;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-title span {
            background: linear-gradient(135deg, #22c55e, #4ade80);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            box-shadow: 0 6px 22px rgba(249, 115, 22, 0.4);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: 0 10px 32px rgba(249, 115, 22, 0.55);
            transform: translateY(-3px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(249, 115, 22, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: -0.01em;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        .hero-visual-area {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
        }

        .countdown-ring-container {
            position: relative;
            width: 200px;
            height: 200px;
            flex-shrink: 0;
        }

        .countdown-ring-svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .countdown-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.1);
            stroke-width: 8;
        }

        .countdown-ring-progress {
            fill: none;
            stroke: #22c55e;
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.8s ease;
            filter: drop-shadow(0 0 8px rgba(34, 197, 94, 0.5));
        }

        .countdown-center-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
            text-align: center;
        }

        .countdown-number {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1;
            color: #fff;
        }

        .countdown-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        .carousel-dots-area {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: none;
            padding: 0;
        }

        .carousel-dot.active {
            background: #22c55e;
            width: 32px;
            border-radius: 20px;
            box-shadow: 0 0 16px rgba(34, 197, 94, 0.5);
        }

        .carousel-dot:hover {
            background: rgba(255, 255, 255, 0.6);
        }

        .carousel-slogan {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            text-align: center;
            font-weight: 500;
            letter-spacing: 0.01em;
            min-height: 24px;
            transition: opacity 0.4s ease;
        }

        /* Section通用 */
        .section {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-brand-dark);
            background: rgba(34, 197, 94, 0.08);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* 教练卡片网格 */
        .coach-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coach-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            position: relative;
        }

        .coach-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }

        .coach-card-img-wrap {
            position: relative;
            width: 100%;
            height: 240px;
            overflow: hidden;
        }

        .coach-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .coach-card:hover .coach-card-img-wrap img {
            transform: scale(1.06);
        }

        .coach-card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-brand);
            color: #fff;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .coach-card-body {
            padding: 20px;
        }

        .coach-card-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .coach-card-title {
            font-size: 0.85rem;
            color: var(--color-brand-dark);
            font-weight: 500;
            margin-bottom: 10px;
        }

        .coach-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .coach-card-stats {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border-light);
            padding-top: 12px;
        }

        .coach-card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .coach-card-stats i {
            color: var(--color-brand);
            font-size: 0.7rem;
        }

        /* 课程体系 */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .course-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .course-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-brand), var(--color-brand-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .course-card:hover::before {
            transform: scaleX(1);
        }

        .course-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .course-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(34, 197, 94, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-brand-dark);
            margin-bottom: 16px;
        }

        .course-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .course-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            margin-bottom: 16px;
        }

        .course-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag {
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 50px;
            background: var(--color-bg-alt);
            color: var(--color-text-soft);
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .tag:hover {
            background: rgba(34, 197, 94, 0.1);
            color: var(--color-brand-dark);
        }

        /* 流程步骤 */
        .steps-flow {
            display: flex;
            gap: 0;
            align-items: stretch;
            position: relative;
        }

        .step-item {
            flex: 1;
            text-align: center;
            padding: 28px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-smooth);
            z-index: 1;
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            z-index: 2;
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        .step-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-brand);
            flex-shrink: 0;
            width: 40px;
            z-index: 0;
        }

        /* 数据展示 */
        .stats-banner {
            background: var(--color-dark);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(34, 197, 94, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .stat-item {
            position: relative;
            z-index: 1;
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: #22c55e;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            gap: 12px;
            letter-spacing: -0.01em;
        }

        .faq-icon {
            font-size: 1.1rem;
            color: var(--color-brand);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #0a0a0a 0%, #1a1a1a 50%, #0d1f14 100%);
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 0 60px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(34, 197, 94, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 2.4vw, 2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 1;
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            z-index: 1;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.88rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            font-size: 0.85rem;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* 场景卡片 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }

        .scene-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .scene-card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(249, 115, 22, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .scene-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .scene-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-visual-area {
                order: -1;
            }
            .countdown-ring-container {
                width: 150px;
                height: 150px;
            }
            .countdown-number {
                font-size: 2.2rem;
            }
            .coach-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .course-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                flex-wrap: wrap;
                gap: 12px;
            }
            .step-connector {
                display: none;
            }
            .step-item {
                flex: 1 1 calc(50% - 12px);
                min-width: 140px;
            }
            .stats-banner {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-panel {
                gap: 2px;
                padding: 3px 4px;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 0.78rem;
            }
            .nav-cta-btn {
                padding: 9px 14px;
                font-size: 0.78rem;
                margin-left: 2px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .nav-panel {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                border-radius: 0;
                padding: 16px;
                box-shadow: var(--shadow-xl);
                gap: 4px;
                z-index: 999;
            }
            .nav-panel.mobile-open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                width: 100%;
                text-align: center;
                margin-left: 0;
                margin-top: 4px;
                padding: 13px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .hero-section {
                min-height: auto;
                padding: 50px 0;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .coach-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .coach-card-img-wrap {
                height: 180px;
            }
            .course-grid {
                grid-template-columns: 1fr;
            }
            .steps-flow {
                flex-direction: column;
            }
            .step-item {
                flex: 1 1 auto;
            }
            .stats-banner {
                grid-template-columns: 1fr 1fr;
                padding: 32px 20px;
                gap: 20px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .container {
                padding: 0 14px;
            }
            .cta-section {
                padding: 36px 20px;
                margin: 0 0 40px;
                border-radius: var(--radius-lg);
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
            .coach-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .coach-card-img-wrap {
                height: 200px;
            }
            .stats-banner {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .countdown-ring-container {
                width: 120px;
                height: 120px;
            }
            .countdown-number {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand: #22c55e;
            --color-brand-dark: #15803d;
            --color-brand-light: #86efac;
            --color-accent: #f97316;
            --color-accent-dark: #c2410c;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f5;
            --color-surface: #ffffff;
            --color-text: #171717;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1);
            --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.2);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-brand);
            transform: scale(1.02);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 5px 6px;
            flex-wrap: nowrap;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .nav-item:hover {
            color: var(--color-brand-dark);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .nav-item.active {
            color: var(--color-brand-dark);
            background: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }

        .nav-item .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-cta-btn {
            margin-left: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text-soft);
            flex-shrink: 0;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
        }

        .mobile-menu-toggle:hover {
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
            color: var(--color-brand-dark);
        }

        @media (max-width: 1024px) {
            .nav-panel {
                gap: 2px;
                padding: 4px 4px;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-item .nav-icon {
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                padding: 9px 16px;
                font-size: 0.8rem;
                margin-left: 4px;
            }
            .logo-link {
                font-size: 1.2rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
        }

        @media (max-width: 860px) {
            .nav-panel {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                border-bottom: 1px solid var(--color-border-light);
                z-index: 999;
            }
            .nav-panel.mobile-open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                width: 100%;
                margin-left: 0;
                text-align: center;
                padding: 13px 20px;
                margin-top: 8px;
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                height: 60px;
            }
        }

        @media (max-width: 520px) {
            .logo-link {
                font-size: 1.05rem;
                gap: 5px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
                border-radius: var(--radius-sm);
            }
            .header-inner {
                height: 56px;
            }
            .nav-panel {
                top: 56px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1a2f1a 40%, #0d2818 100%);
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 540px;
            display: flex;
            align-items: center;
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            right: 0;
            width: 48%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
            pointer-events: none;
        }

        .hero-overlay-dots {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
            color: #d1fae5;
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-brand);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin: 0 0 20px;
            color: #fff;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-brand-light), var(--color-brand));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin: 0 0 14px;
            max-width: 520px;
        }

        .hero-sell-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-sell-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .hero-sell-list li i {
            color: var(--color-brand);
            font-size: 1rem;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 24px;
        }

        .btn-primary-hero {
            padding: 15px 32px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: -0.01em;
            box-shadow: 0 8px 28px rgba(34, 197, 94, 0.4);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }

        .btn-primary-hero:hover {
            box-shadow: 0 14px 38px rgba(34, 197, 94, 0.55);
            transform: translateY(-3px);
        }

        .btn-primary-hero:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(34, 197, 94, 0.35);
        }

        .btn-outline-hero {
            padding: 15px 32px;
            border-radius: 50px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            letter-spacing: -0.01em;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        .btn-outline-hero:active {
            transform: translateY(0);
        }

        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust-strip i {
            color: var(--color-brand-light);
            font-size: 0.75rem;
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-subtitle {
                font-size: 1.05rem;
            }
            .hero-bg-img {
                width: 55%;
                opacity: 0.28;
            }
            .hero-section {
                padding: 60px 0 70px;
                min-height: auto;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0 55px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-bg-img {
                width: 70%;
                opacity: 0.2;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                padding: 13px 24px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-sell-list {
                flex-direction: column;
                gap: 8px;
            }
            .hero-trust-strip {
                gap: 12px;
                font-size: 0.8rem;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-section {
                padding: 40px 0 45px;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
        }

        /* Section Styles */
        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: #0f172a;
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-brand-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin: 0 0 12px;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-dark .section-label {
            color: var(--color-brand-light);
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.45rem;
            }
            .section {
                padding: 36px 0;
            }
        }

        /* Venue Category Cards */
        .venue-cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .venue-cat-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 1px solid var(--color-border-light);
            position: relative;
        }

        .venue-cat-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-6px);
            border-color: var(--color-brand-light);
        }

        .venue-cat-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .venue-cat-card:hover .venue-cat-card-img {
            transform: scale(1.04);
        }

        .venue-cat-card-body {
            padding: 20px 22px 22px;
        }

        .venue-cat-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
            letter-spacing: -0.01em;
        }

        .venue-cat-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0 0 14px;
            line-height: 1.5;
        }

        .venue-cat-card-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 50px;
            background: #f0fdf4;
            color: var(--color-brand-dark);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        @media (max-width: 1024px) {
            .venue-cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .venue-cat-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .venue-cat-card-img {
                height: 180px;
            }
        }

        /* Advantage Cards */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .advantage-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-brand-light);
            transform: translateY(-4px);
        }

        .advantage-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, #f0fdf4, #dcfce7);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-brand-dark);
            transition: all var(--transition-smooth);
        }

        .advantage-card:hover .advantage-icon-wrap {
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .advantage-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .advantage-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .advantage-card {
                padding: 22px 18px;
            }
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: nowrap;
            position: relative;
        }

        .process-step {
            flex: 1;
            text-align: center;
            padding: 0 20px;
            position: relative;
            min-width: 140px;
        }

        .process-step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 6px 20px rgba(34, 197, 94, 0.35);
            position: relative;
            z-index: 2;
            transition: all var(--transition-smooth);
        }

        .process-step:hover .process-step-num {
            transform: scale(1.1);
            box-shadow: 0 10px 28px rgba(34, 197, 94, 0.5);
        }

        .process-step-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin: 0 0 4px;
            letter-spacing: -0.01em;
        }

        .process-step-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        .process-connector {
            position: absolute;
            top: 25px;
            left: calc(50% + 25px);
            width: calc(100% - 50px);
            height: 2px;
            background: linear-gradient(90deg, var(--color-brand-light), var(--color-border));
            z-index: 1;
        }

        .process-step:last-child .process-connector {
            display: none;
        }

        @media (max-width: 768px) {
            .process-steps {
                flex-wrap: wrap;
                gap: 20px;
            }
            .process-step {
                flex: 1 1 40%;
                min-width: 120px;
                padding: 0 10px;
            }
            .process-connector {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .process-step {
                flex: 1 1 100%;
                min-width: auto;
            }
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            transform: translateY(-4px);
        }

        .scenario-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
            display: block;
            transition: transform var(--transition-bounce);
        }

        .scenario-card:hover .scenario-icon {
            transform: scale(1.2);
        }

        .scenario-card-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin: 0 0 6px;
            letter-spacing: -0.01em;
        }

        .scenario-card-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Stats Bar */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-brand);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .section-dark .stat-number {
            color: var(--color-brand-light);
        }
        .section-dark .stat-label {
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 520px) {
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-label {
                font-size: 0.85rem;
            }
        }

        /* Featured Venue Cards */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }

        .featured-card-img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .featured-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .featured-tag {
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .featured-tag.green {
            background: #f0fdf4;
            color: #15803d;
        }
        .featured-tag.orange {
            background: #fff7ed;
            color: #c2410c;
        }

        .featured-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
            letter-spacing: -0.01em;
        }

        .featured-card-info {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0 0 14px;
            flex: 1;
        }

        .featured-card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--color-text-soft);
            flex-wrap: wrap;
        }

        .featured-card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .featured-card-meta i {
            color: var(--color-brand);
            font-size: 0.8rem;
        }

        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-card-img {
                height: 200px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-brand-light);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            background: none;
            cursor: pointer;
            border: none;
            text-align: left;
            letter-spacing: -0.01em;
            gap: 12px;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-brand-dark);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: all var(--transition-smooth);
        }

        .faq-item.open .faq-icon {
            background: var(--color-brand);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0f172a 0%, #1a2f1a 40%, #0d2818 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 28px 28px;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2.4rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            margin: 0 0 14px;
            color: #fff;
        }

        .cta-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 28px;
            line-height: 1.7;
        }

        .cta-btn-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 17px 40px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: -0.01em;
            box-shadow: 0 10px 32px rgba(249, 115, 22, 0.45);
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .cta-btn-large:hover {
            box-shadow: 0 16px 42px rgba(249, 115, 22, 0.6);
            transform: translateY(-4px);
        }

        .cta-btn-large:active {
            transform: translateY(0);
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.35);
        }

        .cta-trust-note {
            margin-top: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 768px) {
            .cta-title {
                font-size: 1.8rem;
            }
            .cta-desc {
                font-size: 0.95rem;
            }
            .cta-btn-large {
                padding: 15px 32px;
                font-size: 1rem;
                width: 100%;
                justify-content: center;
            }
            .cta-section {
                padding: 55px 0;
            }
        }

        @media (max-width: 520px) {
            .cta-title {
                font-size: 1.5rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #0a0a0a;
            color: #a3a3a3;
            padding: 50px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            color: #737373;
            line-height: 1.6;
            margin: 0;
        }

        .footer-col-title {
            font-weight: 700;
            color: #d4d4d4;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links li a {
            color: #737373;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

        .footer-links li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #1f1f1f;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #666;
        }

        .footer-bottom a {
            color: #888;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 24px;
            }
        }

        /* Utility */
        .text-brand {
            color: var(--color-brand);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category4 */
:root {
            --color-brand: #22c55e;
            --color-brand-dark: #15803d;
            --color-brand-light: #86efac;
            --color-accent: #f97316;
            --color-accent-dark: #c2410c;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f5;
            --color-surface: #ffffff;
            --color-text: #171717;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1);
            --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.2);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-brand);
            transform: scale(1.02);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 5px 6px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .nav-item:hover {
            color: var(--color-brand-dark);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .nav-item.active {
            color: var(--color-brand-dark);
            background: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }

        .nav-item .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-cta-btn {
            margin-left: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            flex-shrink: 0;
            border: 1px solid var(--color-border-light);
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0f172a 0%, #1a2f1a 45%, #0d2818 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 80px 0;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin: 0 0 18px;
        }

        .hero-text h1 .brand-accent {
            color: var(--color-brand-light);
            text-shadow: 0 0 60px rgba(34, 197, 94, 0.5);
        }

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 480px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            padding: 14px 30px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 8px 28px rgba(34, 197, 94, 0.4);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: 0 14px 40px rgba(34, 197, 94, 0.55);
            transform: translateY(-3px);
        }

        .btn-outline-light {
            padding: 14px 30px;
            border-radius: 50px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-visual-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-2xl);
            padding: 28px;
            backdrop-filter: blur(12px);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
            width: 100%;
            max-width: 440px;
        }

        .hero-visual-card img {
            border-radius: var(--radius-lg);
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            margin-bottom: 16px;
        }

        .hero-visual-card .visual-label {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
            margin-bottom: 8px;
        }

        .hero-visual-card .visual-stats {
            display: flex;
            justify-content: space-around;
            gap: 12px;
        }

        .hero-visual-card .visual-stat {
            text-align: center;
            color: #fff;
        }

        .hero-visual-card .visual-stat .stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-brand-light);
            display: block;
        }

        .hero-visual-card .visual-stat .stat-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Section Common */
        .section {
            padding: 80px 0;
        }

        .section-dark {
            background: var(--color-bg-alt);
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(34, 197, 94, 0.1);
            color: var(--color-brand-dark);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(21, 128, 61, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-brand-dark);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }

        .card-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/10;
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .card:hover .card-cover img {
            transform: scale(1.05);
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 24px 16px;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .process-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .process-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 12px;
            box-shadow: 0 6px 20px rgba(34, 197, 94, 0.35);
        }

        .process-step h4 {
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 6px;
            color: var(--color-text);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* Data Highlight */
        .data-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .data-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .data-card .data-num {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-brand);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .data-card .data-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-brand-light);
            opacity: 0.5;
            margin-bottom: 10px;
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-brand-dark);
            font-size: 0.9rem;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .author-tag {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--color-text);
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--color-bg-alt);
        }

        .faq-question .faq-arrow {
            transition: transform var(--transition-smooth);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #0f172a 0%, #1a2f1a 50%, #0d2818 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            margin: 0 0 14px;
        }

        .cta-inner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-cta-large {
            padding: 16px 38px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 10px 32px rgba(249, 115, 22, 0.45);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-large:hover {
            box-shadow: 0 16px 44px rgba(249, 115, 22, 0.6);
            transform: translateY(-4px);
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            font-size: 0.85rem;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin: 0 0 14px;
            font-size: 0.95rem;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-brand-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-brand-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-text .hero-subtitle {
                max-width: 100%;
            }
            .hero-badges {
                justify-content: center;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual-card {
                max-width: 360px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-panel {
                gap: 3px;
                padding: 4px 4px;
            }
            .nav-item {
                padding: 8px 12px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-item .nav-icon {
                font-size: 0.75rem;
            }
            .nav-cta-btn {
                padding: 9px 16px;
                font-size: 0.8rem;
                margin-left: 4px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 60px 0 50px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .header-inner {
                height: 56px;
                gap: 10px;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
            .nav-panel {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-panel.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
                box-shadow: var(--shadow-xl);
                padding: 12px;
                gap: 4px;
                z-index: 999;
                border: 1px solid var(--color-border-light);
                border-top: none;
            }
            .nav-panel.mobile-open .nav-item {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }
            .nav-panel.mobile-open .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                justify-content: center;
                margin-top: 6px;
            }
            .hero-visual-card {
                max-width: 100%;
            }
            .data-card .data-num {
                font-size: 2rem;
            }
            .cta-inner h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
            .data-row {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-badges {
                gap: 6px;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 12px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category5 */
:root {
            --color-brand: #22c55e;
            --color-brand-dark: #15803d;
            --color-brand-light: #86efac;
            --color-accent: #f97316;
            --color-accent-dark: #c2410c;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f5;
            --color-surface: #ffffff;
            --color-text: #171717;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1);
            --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.2);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-brand);
            transform: scale(1.02);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 5px 6px;
            flex-wrap: nowrap;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .nav-item:hover {
            color: var(--color-brand-dark);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .nav-item.active {
            color: var(--color-brand-dark);
            background: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }

        .nav-item .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-cta-btn {
            margin-left: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-text-soft);
            flex-shrink: 0;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 60px 0;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            background: radial-gradient(ellipse at 70% 30%, rgba(34, 197, 94, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(249, 115, 22, 0.08) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text-block {
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #86efac;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.03em;
            color: #fff;
        }

        .hero-title span {
            background: linear-gradient(135deg, #86efac, #22c55e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .btn-primary:hover {
            box-shadow: 0 10px 30px rgba(34, 197, 94, 0.55);
            transform: translateY(-3px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(34, 197, 94, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-xl);
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-data-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-2xl);
            padding: 28px 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            color: #fff;
        }

        .hero-data-title {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .hero-data-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-data-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 14px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.05);
            transition: all var(--transition-fast);
        }

        .hero-data-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .hero-data-rank {
            font-weight: 700;
            font-size: 1.1rem;
            color: #f97316;
            min-width: 24px;
        }

        .hero-data-name {
            flex: 1;
            margin: 0 12px;
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-data-sales {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            white-space: nowrap;
        }

        .hero-data-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 50px;
            background: rgba(249, 115, 22, 0.25);
            color: #f97316;
            font-size: 0.7rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(34, 197, 94, 0.08);
            color: var(--color-brand-dark);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Product Cards Grid */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .product-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
            border-color: var(--color-brand-light);
        }

        .product-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #f5f5f5;
        }

        .product-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .product-card:hover .product-card-img img {
            transform: scale(1.06);
        }

        .product-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 50px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }

        .product-card-tag.hot {
            background: #ef4444;
        }

        .product-card-tag.new {
            background: #3b82f6;
        }

        .product-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .product-card-category {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .product-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .product-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .product-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .product-card-price {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-accent-dark);
            letter-spacing: -0.02em;
        }

        .product-card-price .original {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            text-decoration: line-through;
            font-weight: 400;
            margin-left: 6px;
        }

        .btn-sm {
            padding: 8px 18px;
            border-radius: var(--radius-lg);
            background: var(--color-brand);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-sm:hover {
            background: var(--color-brand-dark);
            box-shadow: var(--shadow-md);
        }

        /* Category Tabs */
        .category-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 36px;
        }

        .category-tab {
            padding: 10px 22px;
            border-radius: var(--radius-xl);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .category-tab:hover {
            border-color: var(--color-brand);
            color: var(--color-brand-dark);
            background: rgba(34, 197, 94, 0.04);
        }

        .category-tab.active-tab {
            background: var(--color-brand);
            color: #fff;
            border-color: var(--color-brand);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(34, 197, 94, 0.3);
        }

        /* Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .stat-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--color-brand);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 18px rgba(34, 197, 94, 0.3);
            position: relative;
            z-index: 2;
        }

        .process-step-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .process-step-desc {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        .process-connector {
            position: absolute;
            top: 28px;
            left: calc(25% + 10px);
            right: calc(25% + 10px);
            height: 2px;
            background: linear-gradient(90deg, var(--color-brand-light), var(--color-brand), var(--color-brand-light));
            z-index: 0;
            border-radius: 2px;
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-brand-light);
        }

        .testimonial-stars {
            color: #f59e0b;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(34, 197, 94, 0.03);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-brand);
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-brand);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #0f3460 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-bg-pattern {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            color: #fff;
        }

        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .btn-cta-large:hover {
            box-shadow: 0 14px 38px rgba(249, 115, 22, 0.6);
            transform: translateY(-4px);
        }

        .btn-cta-large:active {
            transform: translateY(0);
        }

        /* Footer */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col-title {
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-brand-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-brand-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-data-panel {
                max-width: 500px;
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-connector {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-panel {
                gap: 2px;
                padding: 4px;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-item .nav-icon {
                font-size: 0.7rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                margin-left: 4px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
                gap: 12px;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-panel {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                flex-wrap: nowrap;
                gap: 2px;
                padding: 4px 5px;
                scrollbar-width: none;
            }
            .nav-panel::-webkit-scrollbar {
                display: none;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 0.75rem;
                flex-shrink: 0;
                gap: 3px;
            }
            .nav-cta-btn {
                padding: 8px 12px;
                font-size: 0.75rem;
                flex-shrink: 0;
                margin-left: 2px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .hero-section {
                padding: 40px 0;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .product-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .category-tabs {
                gap: 6px;
            }
            .category-tab {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .container {
                padding: 0 14px;
            }
        }

        @media (max-width: 520px) {
            .nav-panel {
                gap: 1px;
                padding: 3px;
            }
            .nav-item {
                padding: 6px 8px;
                font-size: 0.7rem;
                gap: 2px;
            }
            .nav-item .nav-icon {
                font-size: 0.65rem;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.7rem;
                margin-left: 1px;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-data-panel {
                padding: 16px 12px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .product-card-body {
                padding: 14px;
            }
            .product-card-title {
                font-size: 1rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-brand: #22c55e;
            --color-brand-dark: #15803d;
            --color-brand-light: #86efac;
            --color-accent: #f97316;
            --color-accent-dark: #c2410c;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f5;
            --color-surface: #ffffff;
            --color-text: #171717;
            --color-text-soft: #525252;
            --color-text-muted: #737373;
            --color-border: #e5e5e5;
            --color-border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1);
            --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.2);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--color-brand-dark);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-brand);
            transform: scale(1.02);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 5px 6px;
            flex-wrap: wrap;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .nav-item:hover {
            color: var(--color-brand-dark);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }

        .nav-item.active {
            color: var(--color-brand-dark);
            background: #fff;
            box-shadow: var(--shadow-md);
            font-weight: 600;
        }

        .nav-item .nav-icon {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-cta-btn {
            margin-left: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: -0.01em;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-text);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-panel {
                gap: 2px;
                padding: 3px 4px;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 0.8rem;
                gap: 3px;
            }
            .nav-item .nav-icon {
                font-size: 0.7rem;
            }
            .nav-cta-btn {
                padding: 9px 14px;
                font-size: 0.8rem;
                margin-left: 4px;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .header-inner {
                height: 56px;
                gap: 10px;
            }
        }

        @media (max-width: 768px) {
            .nav-panel {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                border-radius: 0;
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
            }
            .nav-panel.mobile-open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                width: 100%;
                text-align: center;
                padding: 13px;
                margin-top: 4px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                height: 60px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0f1a0f 0%, #1a2e1a 30%, #0d1f0d 60%, #0a160a 100%);
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            pointer-events: none;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(34, 197, 94, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(249, 115, 22, 0.08) 0%, transparent 50%),
                linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin: 0 0 16px;
        }

        .hero-text h1 .highlight {
            background: linear-gradient(135deg, var(--color-brand-light), var(--color-brand));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 28px;
            line-height: 1.6;
        }

        .hero-reward-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .hero-reward-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .hero-reward-tag i {
            color: var(--color-brand-light);
            font-size: 0.8rem;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-invite-primary {
            padding: 14px 32px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: -0.01em;
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-invite-primary:hover {
            box-shadow: 0 14px 38px rgba(249, 115, 22, 0.6);
            transform: translateY(-3px);
        }

        .btn-invite-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }

        .btn-invite-secondary {
            padding: 14px 28px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.1);
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(4px);
        }

        .btn-invite-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.55);
            transform: translateY(-2px);
        }

        .hero-progress-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-2xl);
            padding: 28px 30px;
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }

        .hero-progress-card .progress-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-progress-card .progress-title i {
            color: var(--color-brand-light);
        }

        .hero-progress-card .progress-status {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 16px;
        }

        .progress-bar-wrap {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            height: 14px;
            overflow: hidden;
            margin-bottom: 16px;
            position: relative;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-brand), var(--color-brand-light));
            border-radius: 12px;
            transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .progress-bar-fill::after {
            content: '';
            position: absolute;
            right: 2px;
            top: 2px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
        }

        .progress-milestones {
            display: flex;
            justify-content: space-between;
            gap: 8px;
            flex-wrap: wrap;
        }

        .progress-milestone {
            text-align: center;
            flex: 1;
            min-width: 60px;
        }

        .progress-milestone .milestone-num {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
        }

        .progress-milestone .milestone-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        .progress-milestone.reached .milestone-num {
            color: var(--color-brand-light);
        }

        .progress-milestone.reached .milestone-label {
            color: rgba(255, 255, 255, 0.9);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-progress-card {
                padding: 20px;
            }
            .btn-invite-primary,
            .btn-invite-secondary {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
        }

        /* Section Common */
        .section-block {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(34, 197, 94, 0.1);
            color: var(--color-brand-dark);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin: 0 0 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-brand-light);
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(34, 197, 94, 0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--color-brand);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 18px;
            }
        }

        /* Reward Tier Section */
        .reward-tiers {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .reward-tier-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
            text-align: center;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .reward-tier-card.featured {
            border-color: var(--color-brand);
            box-shadow: var(--shadow-glow);
            background: linear-gradient(180deg, rgba(34, 197, 94, 0.04) 0%, #fff 40%);
        }

        .reward-tier-card .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .reward-tier-card .tier-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-brand);
            margin: 8px 0 4px;
        }

        .reward-tier-card .tier-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-bottom: 12px;
        }

        .reward-tier-card .tier-reward {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0;
        }

        .reward-tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 768px) {
            .reward-tiers {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .reward-tier-card {
                padding: 20px 14px;
            }
            .reward-tier-card .tier-num {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .reward-tiers {
                grid-template-columns: 1fr;
            }
        }

        /* Info Row */
        .info-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .info-row.reverse {
            direction: ltr;
        }

        .info-row.reverse>* {
            direction: ltr;
        }

        .info-image {
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

        .info-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .info-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--color-text);
            letter-spacing: -0.02em;
        }

        .info-text p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 18px;
        }

        .info-text .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .info-text .info-list li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            border-bottom: 1px solid var(--color-border-light);
        }

        .info-text .info-list li:last-child {
            border-bottom: none;
        }

        .info-text .info-list li i {
            color: var(--color-brand);
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .info-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .info-text h3 {
                font-size: 1.25rem;
            }
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-brand-dark);
            letter-spacing: -0.03em;
            line-height: 1;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 8px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

        /* Topics Grid */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .topic-card .topic-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .topic-card:hover .topic-img img {
            transform: scale(1.06);
        }

        .topic-card .topic-body {
            padding: 18px;
        }

        .topic-card .topic-body h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--color-text);
        }

        .topic-card .topic-body p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0 0 10px;
            line-height: 1.5;
        }

        .topic-card .topic-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 12px;
        }

        @media (max-width: 768px) {
            .topics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Steps */
        .steps-list {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition-smooth);
        }

        .step-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .step-item .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--color-text);
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .steps-list {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                max-width: 100%;
                min-width: auto;
                width: 100%;
            }
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .testimonial-text {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 14px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-brand-dark);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .author-role {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: var(--color-brand-light);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-brand-dark);
        }

        .faq-question i {
            font-size: 0.8rem;
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #0f1a0f 0%, #1a2e1a 50%, #0d1f0d 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(34, 197, 94, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .cta-section .btn-cta-large {
            padding: 16px 40px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: -0.01em;
            box-shadow: 0 10px 32px rgba(34, 197, 94, 0.4);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-section .btn-cta-large:hover {
            box-shadow: 0 16px 42px rgba(34, 197, 94, 0.55);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-section .btn-cta-large {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #0f1a0f;
            padding: 48px 0 28px;
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-desc {
            font-size: 0.85rem;
            line-height: 1.5;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links ul li {
            margin-bottom: 8px;
        }

        .footer-links ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-links ul li a:hover {
            color: var(--color-brand-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-brand-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }