/* roulang page: index */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb347;
            --bg-dark: #0d0d0d;
            --bg-card: #1a1a1a;
            --bg-section: #141414;
            --bg-light: #fafafa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-light: #f5f5f5;
            --text-muted: #a0a0a0;
            --border-subtle: #2a2a2a;
            --border-light: #e0e0e0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --nav-brand-height: 48px;
            --nav-channel-height: 44px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text-primary);
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

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

        /* ============ NAVIGATION ============ */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }
        .nav-channel-row {
            background: var(--bg-dark);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }
        .nav-channel-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0c0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-channel-link:hover,
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 6px;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav-brand-row {
                padding: 0 16px;
                height: 52px;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .nav-channel-row {
                height: auto;
                min-height: 40px;
            }
            .nav-channel-inner {
                gap: 2px;
                padding: 0 10px;
            }
            .nav-channel-link {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-desktop-cta {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .nav-channel-link {
                padding: 5px 10px;
                font-size: 0.72rem;
                border-radius: 14px;
            }
            .nav-channel-inner {
                gap: 0;
                padding: 0 6px;
            }
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            background: var(--bg-dark);
            color: #fff;
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
            clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
            padding-bottom: 60px;
        }
        .hero-bg-img {
            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(160deg, rgba(13, 13, 13, 0.88) 0%, rgba(13, 13, 13, 0.6) 50%, rgba(13, 13, 13, 0.82) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 28px 40px;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .hero-text {
            flex: 1 1 500px;
            min-width: 300px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #1a1a1a;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            animation: pulse-badge 2.2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.06);
            }
        }
        .hero-explosion-tag {
            position: absolute;
            top: 30px;
            right: 40px;
            z-index: 3;
            background: var(--primary);
            color: #fff;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            font-weight: 800;
            font-size: 0.85rem;
            line-height: 1.3;
            box-shadow: var(--shadow-glow);
            animation: float-tag 3s ease-in-out infinite;
            transform: rotate(8deg);
        }
        @keyframes float-tag {
            0%,
            100% {
                transform: rotate(8deg) translateY(0);
            }
            50% {
                transform: rotate(8deg) translateY(-14px);
            }
        }
        @media (max-width: 768px) {
            .hero-explosion-tag {
                width: 64px;
                height: 64px;
                font-size: 0.7rem;
                top: 16px;
                right: 16px;
            }
            .hero-section {
                clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
                min-height: 440px;
            }
            .hero-content {
                padding: 40px 16px 30px;
                gap: 24px;
            }
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }
        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: #d0d0d0;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
        }
        .btn-primary-lg:hover {
            background: #ff3b4a;
            box-shadow: 0 0 50px rgba(230, 57, 70, 0.5);
            transform: translateY(-3px);
        }
        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
        }
        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }
        .hero-data-cards {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .hero-data-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            text-align: center;
            min-width: 100px;
            backdrop-filter: blur(6px);
        }
        .hero-data-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .hero-data-label {
            font-size: 0.8rem;
            color: #b0b0b0;
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
                border-radius: 22px;
            }
            .hero-data-num {
                font-size: 1.4rem;
            }
        }

        /* ============ SECTIONS ============ */
        .section-padding {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 8px;
            padding: 4px 12px;
            background: rgba(230, 57, 70, 0.08);
            border-radius: 14px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* Alternating bands */
        .band-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .band-dark .section-title {
            color: #fff;
        }
        .band-dark .section-subtitle {
            color: #c0c0c0;
        }
        .band-gray {
            background: #f7f7f8;
        }
        .band-accent {
            background: linear-gradient(135deg, #fff5f5 0%, #fff0f0 100%);
        }

        /* ============ CARDS ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }
        .feature-card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: rgba(230, 57, 70, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ============ TESTIMONIALS ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: var(--primary);
            opacity: 0.3;
            line-height: 1;
            position: absolute;
            top: 12px;
            left: 16px;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-top: 10px;
            margin-bottom: 14px;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .testimonial-card .testimonial-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============ PRICING TABLE ============ */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
            align-items: stretch;
        }
        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 2px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
            background: #fff;
        }
        .pricing-card.featured .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 16px;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .pricing-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .pricing-card .price {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            margin: 12px 0;
        }
        .pricing-card .price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .pricing-card ul {
            list-style: none;
            text-align: left;
            margin: 16px 0 20px;
            flex: 1;
        }
        .pricing-card ul li {
            padding: 6px 0;
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card ul li i {
            color: #22c55e;
            font-size: 0.8rem;
        }
        .btn-pricing {
            display: block;
            width: 100%;
            padding: 12px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .btn-pricing-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .btn-pricing-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.45);
        }
        .btn-pricing-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-pricing-outline:hover {
            background: rgba(230, 57, 70, 0.05);
        }

        /* ============ TIER PROGRESS ============ */
        .tier-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 700px;
            margin: 0 auto;
        }
        .tier-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .tier-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .tier-item .tier-badge-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .tier-item.recommended .tier-badge-num {
            background: var(--accent);
            color: #1a1a1a;
        }
        .tier-item .tier-info {
            flex: 1;
        }
        .tier-item .tier-info h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 2px;
        }
        .tier-item .tier-info p {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .tier-item .tier-tag {
            background: #fef3c7;
            color: #b45309;
            padding: 4px 10px;
            border-radius: 10px;
            font-size: 0.72rem;
            font-weight: 700;
            white-space: nowrap;
        }

        /* ============ NEWS LIST ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
            align-items: start;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list li {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
            transition: background var(--transition-fast);
        }
        .news-list li:hover {
            background: #fafafa;
            padding-left: 8px;
            border-radius: 4px;
        }
        .news-list .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .news-list .news-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
            display: block;
            line-height: 1.4;
        }
        .news-list .news-summary {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-list .news-readmore {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .news-list .news-readmore:hover {
            gap: 8px;
            color: var(--primary-dark);
        }
        .news-sidebar {
            background: #fafafa;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
        }
        .news-sidebar h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .news-sidebar ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-sidebar ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .news-sidebar ul li a:hover {
            color: var(--primary);
        }
        .news-sidebar ul li a i {
            font-size: 0.6rem;
            color: var(--primary);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d0d0d0;
        }
        .faq-question {
            width: 100%;
            background: none;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            cursor: pointer;
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--text-muted);
            flex-shrink: 0;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a0a0c 100%);
            color: #fff;
            text-align: center;
            padding: 60px 28px;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 1rem;
            color: #d0d0d0;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ FLOATING CTA BAR ============ */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 2px solid var(--primary);
            box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.12);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(0);
            transition: transform var(--transition-smooth);
        }
        .floating-cta-bar.hidden {
            transform: translateY(100%);
        }
        .floating-cta-text {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            text-align: center;
        }
        .floating-cta-text span {
            color: var(--primary);
            font-weight: 800;
        }
        .btn-floating-cta {
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 22px;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
            transition: all var(--transition-smooth);
        }
        .btn-floating-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.5);
        }
        @media (max-width: 520px) {
            .floating-cta-bar {
                padding: 10px 12px;
                gap: 8px;
            }
            .floating-cta-text {
                font-size: 0.78rem;
            }
            .btn-floating-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-dark);
            color: #c0c0c0;
            padding: 48px 0 24px;
            font-size: 0.88rem;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: #a0a0a0;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
        }
        .footer-bottom a {
            color: #a0a0a0;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: 0.03em;
        }
        @media (max-width: 520px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        /* ============ BRAND INTRO BLOCK ============ */
        .brand-intro-block {
            display: flex;
            gap: 32px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro-block .brand-intro-img {
            flex: 0 0 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .brand-intro-block .brand-intro-text {
            flex: 1;
            min-width: 260px;
        }
        .brand-intro-block .brand-intro-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .brand-intro-block .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .brand-intro-block .brand-intro-img {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .brand-intro-block .brand-intro-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ============ MISC ============ */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 0 auto 20px;
        }

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb347;
            --bg-dark: #0d0d0d;
            --bg-card: #1a1a1a;
            --bg-section: #141414;
            --bg-light: #fafafa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-light: #f5f5f5;
            --text-muted: #a0a0a0;
            --border-subtle: #2a2a2a;
            --border-light: #e0e0e0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --nav-brand-height: 48px;
            --nav-channel-height: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text-primary);
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-bottom: 80px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

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

        /* ============ NAVIGATION ============ */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }

        .nav-channel-row {
            background: var(--bg-dark);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }

        .nav-channel-row::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0c0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-channel-link:hover,
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        .nav-desktop-cta {
            display: inline-flex;
        }

        @media (max-width: 768px) {
            .nav-desktop-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-channel-row {
                display: none;
            }
            .nav-channel-row.open {
                display: flex;
                height: auto;
                padding: 8px 0;
            }
            .nav-channel-inner {
                flex-wrap: wrap;
                gap: 6px;
                padding: 0 12px;
            }
            .nav-channel-link {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .nav-brand-row {
                padding: 0 16px;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-dark);
            color: #c0c0c0;
            padding: 50px 0 30px;
            margin-top: 0;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #a0a0a0;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #808080;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: #808080;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #c0c0c0;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

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

        /* ============ STICKY BOTTOM BAR ============ */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #111;
            border-top: 2px solid var(--primary);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.35);
        }

        .sticky-bottom-bar .bar-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .sticky-bottom-bar .bar-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
        }

        .sticky-bottom-bar .bar-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
        }

        @media (max-width: 520px) {
            .sticky-bottom-bar {
                padding: 8px 12px;
                gap: 10px;
                flex-wrap: wrap;
                justify-content: center;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.8rem;
                text-align: center;
            }
            .sticky-bottom-bar .bar-cta {
                font-size: 0.8rem;
                padding: 8px 18px;
            }
        }

        /* ============ CUSTOM SECTIONS ============ */
        .hero-panel {
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 40%, #0d0d0d 100%);
            position: relative;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-panel::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(230, 57, 70, 0.12) 0%, transparent 60%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: center;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 40px 28px;
        }

        @media (max-width: 900px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .hero-left h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

        .hero-left .hero-subtitle {
            color: #c0c0c0;
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 520px;
        }

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

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.35);
        }

        .btn-primary-lg:hover {
            background: var(--primary-dark);
            box-shadow: 0 10px 30px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .faux-ranking {
            background: rgba(20, 20, 20, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
        }

        .faux-ranking .rank-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }

        .faux-ranking .rank-title i {
            color: var(--accent-glow);
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-fast);
        }

        .rank-item:last-child {
            border-bottom: none;
        }

        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .rank-num.top1 {
            background: #e63946;
            color: #fff;
        }
        .rank-num.top2 {
            background: #f4a261;
            color: #fff;
        }
        .rank-num.top3 {
            background: #6c5ce7;
            color: #fff;
        }
        .rank-num.normal {
            background: rgba(255, 255, 255, 0.1);
            color: #a0a0a0;
        }

        .rank-info .rank-name {
            color: #e0e0e0;
            font-weight: 500;
            font-size: 0.9rem;
        }
        .rank-info .rank-meta {
            color: #808080;
            font-size: 0.75rem;
        }

        .section-label {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 640px;
        }

        .card-hover {
            transition: all var(--transition-smooth);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item .faq-q {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .faq-item .faq-a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 10px;
            display: none;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        .faq-item .faq-icon {
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: var(--primary);
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .testimonial-card {
            background: #fafafa;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        @media (max-width: 768px) {
            .hero-left h1 {
                font-size: 2rem;
            }
            .hero-left .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-panel {
                min-height: auto;
            }
            .hero-content {
                padding: 28px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb347;
            --bg-dark: #0d0d0d;
            --bg-card: #1a1a1a;
            --bg-section: #141414;
            --bg-light: #fafafa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-light: #f5f5f5;
            --text-muted: #a0a0a0;
            --border-subtle: #2a2a2a;
            --border-light: #e0e0e0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --nav-brand-height: 48px;
            --nav-channel-height: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text-primary);
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

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

        /* ============ NAVIGATION ============ */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }

        .nav-channel-row {
            background: var(--bg-dark);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }

        .nav-channel-row::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0c0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-channel-link:hover,
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-desktop-cta {
                display: none;
            }
            .nav-channel-row {
                display: none;
                height: auto;
            }
            .nav-channel-row.open {
                display: flex;
            }
            .nav-channel-inner {
                flex-wrap: wrap;
                padding: 8px 16px;
                gap: 6px;
            }
            .nav-channel-link {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .nav-brand-row {
                padding: 0 16px;
                height: 52px;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .nav-channel-inner {
                padding: 6px 10px;
                gap: 3px;
            }
            .nav-channel-link {
                font-size: 0.75rem;
                padding: 5px 10px;
                border-radius: 16px;
            }
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #1a0a0a 0%, #2d1010 40%, #1a0a0a 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 28px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .hero-text h1 .highlight {
            color: var(--accent-glow);
            position: relative;
            display: inline-block;
        }

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: #e0d0d0;
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .hero-benefit-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hero-benefit-list li {
            color: #f0e0e0;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-benefit-list li i {
            color: var(--accent-glow);
            font-size: 1rem;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.4);
            white-space: nowrap;
        }

        .btn-primary-lg:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

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

        .hero-trust-strip {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: #c0b0b0;
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .hero-trust-strip i {
            color: var(--accent-glow);
            font-size: 0.8rem;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            aspect-ratio: 4/3;
            background: #1a1a1a;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .hero-visual .visual-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            backdrop-filter: blur(8px);
        }

        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 20px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-visual {
                max-width: 500px;
                margin: 0 auto;
                aspect-ratio: 16/10;
            }
            .hero-section {
                min-height: auto;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-text .hero-subtitle {
                font-size: 1rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .hero-content {
                padding: 28px 12px;
            }
            .hero-visual {
                aspect-ratio: 16/11;
                max-width: 100%;
            }
        }

        /* ============ SECTION COMMON ============ */
        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
        }

        /* ============ SELLING POINTS ============ */
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .selling-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }

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

        .selling-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #fff5f5, #ffe8e8);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .selling-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

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

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

        /* ============ SCENE DEMO ============ */
        .scene-demo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scene-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3/4;
            background: #1a1a1a;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

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

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

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

        .scene-card .scene-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 16px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.1) 100%);
            color: #fff;
        }

        .scene-overlay .scene-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--primary);
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .scene-overlay h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .scene-overlay p {
            font-size: 0.8rem;
            color: #d0d0d0;
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .scene-demo-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .scene-demo-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .scene-card {
                aspect-ratio: 3/5;
            }
            .scene-overlay {
                padding: 12px 10px;
            }
            .scene-overlay h4 {
                font-size: 0.95rem;
            }
        }

        /* ============ SOCIAL PROOF ============ */
        .social-proof-section {
            background: var(--bg-dark);
            color: #fff;
            padding: 60px 0;
        }

        .stats-row {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            text-align: center;
            margin-bottom: 40px;
        }

        .stat-item .stat-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: #c0c0c0;
            margin-top: 6px;
        }

        .testimonial-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-subtle);
        }

        .testimonial-card .stars {
            color: var(--accent-glow);
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .testimonial-card .quote {
            font-size: 0.9rem;
            color: #d8d8d8;
            line-height: 1.6;
            margin-bottom: 12px;
            font-style: italic;
        }

        .testimonial-card .author {
            font-size: 0.8rem;
            color: #a0a0a0;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .testimonial-slider {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-row {
                gap: 28px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }

        /* ============ DEEP CONTENT ============ */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fdf8f8;
            border-radius: var(--radius-xl);
            padding: 48px;
            border: 1px solid #f0e0e0;
        }

        .deep-content-block .content-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .deep-content-block .content-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .deep-content-block .content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

        .deep-content-block .content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .deep-content-block {
                grid-template-columns: 1fr;
                padding: 28px;
                gap: 24px;
            }
            .deep-content-block .content-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ============ STORY CARDS GRID ============ */
        .story-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .story-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

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

        .story-card .card-img-wrap {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #f0f0f0;
        }

        .story-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .story-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .story-card .card-body {
            padding: 16px;
        }

        .story-card .card-body .card-tag {
            display: inline-block;
            padding: 3px 10px;
            background: #fff0f0;
            color: var(--primary);
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .story-card .card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .story-card .card-body p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .story-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .story-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .story-card .card-body {
                padding: 10px;
            }
            .story-card .card-body h4 {
                font-size: 0.85rem;
            }
        }

        /* ============ CREATOR SECTION ============ */
        .creator-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .creator-item {
            padding: 20px;
            transition: all var(--transition-smooth);
        }

        .creator-item .creator-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto 12px;
            border: 3px solid #f0e0e0;
            background: #f5f5f5;
        }

        .creator-item .creator-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

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

        @media (max-width: 768px) {
            .creator-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .creator-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .creator-item .creator-avatar {
                width: 60px;
                height: 60px;
            }
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: #d0c0c0;
        }

        .faq-item .faq-question {
            padding: 18px 20px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
        }

        .faq-item .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--primary);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, #1a0a0a 0%, #3d1010 50%, #1a0a0a 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }

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

        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1rem;
            color: #e0d0d0;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary-lg {
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        @media (max-width: 520px) {
            .cta-section h3 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
        }

        /* ============ STICKY BOTTOM BAR ============ */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            z-index: 999;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .sticky-bottom-bar .bar-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .sticky-bottom-bar .bar-text .highlight {
            color: var(--primary);
        }

        .sticky-bottom-bar .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 22px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-primary-sm:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(230, 57, 70, 0.45);
        }

        @media (min-width: 1024px) {
            .sticky-bottom-bar {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .sticky-bottom-bar {
                padding: 10px 12px;
                gap: 8px;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.78rem;
            }
            .sticky-bottom-bar .btn-primary-sm {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #111;
            color: #e0e0e0;
            padding: 48px 0 24px;
            border-top: 1px solid #2a2a2a;
        }

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

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: #a0a0a0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #888;
            border-top: 1px solid #2a2a2a;
            padding-top: 20px;
            justify-content: space-between;
            align-items: center;
        }

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

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .site-footer {
                padding: 32px 0 80px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb347;
            --bg-dark: #0d0d0d;
            --bg-card: #1a1a1a;
            --bg-section: #141414;
            --bg-light: #fafafa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-light: #f5f5f5;
            --text-muted: #a0a0a0;
            --border-subtle: #2a2a2a;
            --border-light: #e0e0e0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --nav-brand-height: 48px;
            --nav-channel-height: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text-primary);
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============ NAVIGATION ============ */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }

        .nav-channel-row {
            background: var(--bg-dark);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }

        .nav-channel-row::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0c0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-channel-link:hover,
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: #f0f0f0;
        }

        .nav-desktop-cta {
            display: inline-flex;
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0a0a0a 0%, #1a0a0c 40%, #0d0d0d 100%);
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 28px;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.4);
            color: #ff6b6b;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            width: fit-content;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.4);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(230, 57, 70, 0);
            }
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }

        .hero-desc {
            color: #c0c0c0;
            font-size: 1.1rem;
            line-height: 1.8;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-reserve {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.4);
            white-space: nowrap;
        }

        .btn-reserve:hover {
            background: var(--primary-dark);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

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

        .hero-right {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        .countdown-ring-container {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .countdown-ring {
            position: relative;
            width: 90px;
            height: 90px;
        }

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

        .countdown-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 6;
        }

        .countdown-ring .progress-circle {
            fill: none;
            stroke: var(--primary);
            stroke-width: 6;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.6s ease;
        }

        .countdown-ring .ring-value {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
        }

        .countdown-label {
            font-size: 0.8rem;
            color: #a0a0a0;
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

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

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .carousel-dot.active {
            background: var(--primary);
            width: 14px;
            height: 14px;
            box-shadow: 0 0 12px rgba(230, 57, 70, 0.6);
        }

        .carousel-text {
            color: #e0e0e0;
            font-size: 0.95rem;
            text-align: center;
            min-height: 32px;
            transition: all var(--transition-smooth);
            font-weight: 500;
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: 70px 0;
        }

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

        .section-light {
            background: #ffffff;
        }

        .section-accent-bg {
            background: linear-gradient(180deg, #0d0d0d 0%, #1a0a0c 50%, #0d0d0d 100%);
            color: var(--text-light);
        }

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

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

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

        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #a0a0a0;
        }

        /* ============ CARDS ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }

        .card-title {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .card-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            flex-grow: 1;
        }

        .section-dark .card {
            background: var(--bg-card);
            border-color: var(--border-subtle);
            box-shadow: var(--shadow-md);
        }
        .section-dark .card-title {
            color: #fff;
        }
        .section-dark .card-desc {
            color: #b0b0b0;
        }
        .section-dark .card-icon {
            background: rgba(230, 57, 70, 0.2);
            color: var(--primary-light);
        }

        /* ============ SCENE DEMO ============ */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            align-items: center;
        }

        .scene-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .scene-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .scene-image-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            backdrop-filter: blur(8px);
        }

        .scene-info h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .scene-info p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .section-dark .scene-info h3 {
            color: #fff;
        }
        .section-dark .scene-info p {
            color: #b0b0b0;
        }

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

        .stat-item {
            padding: 24px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--primary-light);
            letter-spacing: 0.02em;
        }

        .stat-label {
            color: #a0a0a0;
            font-size: 0.9rem;
            margin-top: 4px;
        }

        /* ============ FLOW ============ */
        .flow-steps {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            flex-wrap: wrap;
            justify-content: center;
        }

        .flow-step {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            padding: 28px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: relative;
            transition: all var(--transition-smooth);
        }

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

        .flow-step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-family: var(--font-heading);
        }

        .flow-step h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .flow-step p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .section-dark .flow-step {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .section-dark .flow-step h4 {
            color: #fff;
        }
        .section-dark .flow-step p {
            color: #b0b0b0;
        }

        .flow-connector {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            color: var(--primary);
            flex-shrink: 0;
            padding-top: 40px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--primary);
            font-size: 0.9rem;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .section-dark .faq-item {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .section-dark .faq-question {
            color: #fff;
        }
        .section-dark .faq-answer {
            color: #b0b0b0;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, #e63946 0%, #c1121f 100%);
            padding: 64px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .cta-desc {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: #fff;
            color: var(--primary);
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.25);
        }

        .btn-cta-large:hover {
            background: #fafafa;
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
            transform: translateY(-3px);
        }

        /* ============ CONTENT CARDS ============ */
        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .content-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

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

        .content-card-img {
            width: 140px;
            height: 100px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
        }

        .content-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .content-card-body h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .content-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .section-dark .content-card {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .section-dark .content-card-body h4 {
            color: #fff;
        }
        .section-dark .content-card-body p {
            color: #b0b0b0;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0a0a0a;
            color: #d0d0d0;
            padding: 48px 0 24px;
            border-top: 1px solid #1a1a1a;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            color: #a0a0a0;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: center;
            padding-top: 20px;
            border-top: 1px solid #1a1a1a;
            font-size: 0.8rem;
            color: #707070;
        }

        .footer-bottom a {
            color: #707070;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #b0b0b0;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-left {
                align-items: center;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .content-card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                gap: 16px;
            }
            .flow-connector {
                display: none;
            }
            .flow-step {
                max-width: 100%;
                flex: 1 1 45%;
                min-width: 160px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .nav-brand-row {
                padding: 0 16px;
            }
            .nav-desktop-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-channel-row {
                display: none;
                position: absolute;
                top: var(--nav-brand-height);
                left: 0;
                right: 0;
                background: var(--bg-dark);
                height: auto;
                flex-direction: column;
                padding: 12px 0;
                z-index: 999;
                border-top: 1px solid var(--border-subtle);
                box-shadow: var(--shadow-lg);
            }
            .nav-channel-row.open {
                display: flex;
            }
            .nav-channel-inner {
                flex-direction: column;
                gap: 4px;
                padding: 0 16px;
                align-items: stretch;
            }
            .nav-channel-link {
                justify-content: center;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-content {
                padding: 40px 16px;
            }
            .countdown-ring-container {
                gap: 14px;
            }
            .countdown-ring {
                width: 68px;
                height: 68px;
            }
            .countdown-ring .ring-value {
                font-size: 1.3rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section {
                padding: 48px 0;
            }
            .content-card {
                flex-direction: column;
            }
            .content-card-img {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .flow-step {
                flex: 1 1 100%;
                max-width: 100%;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .btn-reserve {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .countdown-ring {
                width: 56px;
                height: 56px;
            }
            .countdown-ring .ring-value {
                font-size: 1.1rem;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-reserve,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb347;
            --bg-dark: #0d0d0d;
            --bg-card: #1a1a1a;
            --bg-section: #141414;
            --bg-light: #fafafa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-light: #f5f5f5;
            --text-muted: #a0a0a0;
            --border-subtle: #2a2a2a;
            --border-light: #e0e0e0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --nav-brand-height: 48px;
            --nav-channel-height: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text-primary);
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-bottom: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            border: none;
            font-family: var(--font-body);
            transition: all var(--transition-smooth);
        }
        input {
            font-family: var(--font-body);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ NAVIGATION ============ */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }
        .nav-channel-row {
            background: var(--bg-dark);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }
        .nav-channel-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0c0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-channel-link:hover,
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: #f0f0f0;
        }
        .nav-desktop-cta {
            display: inline-flex;
        }
        @media (max-width: 768px) {
            .nav-desktop-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-channel-row {
                height: auto;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-smooth);
            }
            .nav-channel-row.mobile-open {
                max-height: 300px;
            }
            .nav-channel-inner {
                flex-wrap: wrap;
                padding: 8px 16px;
                gap: 6px;
            }
            .nav-channel-link {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .nav-brand-row {
                padding: 0 16px;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0d0d0d 0%, #1a0a0c 35%, #0d0d0d 70%, #0a0a0f 100%);
            overflow: hidden;
            padding: 60px 0 80px;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 35% 50%, rgba(230, 57, 70, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(244, 162, 97, 0.1) 0%, transparent 50%);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 0 16px;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0 60px;
            }
        }
        .hero-text-col {
            color: #fff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.4);
            color: #ff6b6b;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.4);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(230, 57, 70, 0);
            }
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            color: #fff;
        }
        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: #d0d0d0;
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 500px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }
        .btn-primary-lg:hover {
            background: var(--primary-dark);
            box-shadow: 0 0 55px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .hero-progress-wrap {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 460px;
        }
        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #e0e0e0;
            font-size: 0.9rem;
            margin-bottom: 10px;
            font-weight: 500;
        }
        .hero-progress-label .reward-text {
            color: var(--accent-glow);
            font-weight: 700;
            font-size: 0.95rem;
        }
        .hero-progress-bar {
            width: 100%;
            height: 10px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .hero-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent-glow));
            border-radius: 10px;
            transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            width: 62%;
            position: relative;
        }
        .hero-progress-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 20px;
            height: 100%;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            box-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
        }
        .hero-progress-stats {
            display: flex;
            justify-content: space-between;
            color: #a0a0a0;
            font-size: 0.8rem;
        }
        .hero-visual-col {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-card {
            background: rgba(26, 26, 26, 0.8);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-xl);
            max-width: 400px;
            width: 100%;
        }
        .hero-visual-card img {
            border-radius: var(--radius-lg);
            margin-bottom: 18px;
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .hero-visual-card .stat-row {
            display: flex;
            justify-content: space-around;
            gap: 12px;
            color: #fff;
        }
        .hero-visual-card .stat-item {
            text-align: center;
        }
        .hero-visual-card .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-glow);
            font-family: var(--font-heading);
        }
        .hero-visual-card .stat-label {
            font-size: 0.78rem;
            color: #a0a0a0;
            margin-top: 2px;
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
        }
        .section-dark {
            background: var(--bg-section);
            color: #fff;
        }
        .section-light {
            background: #ffffff;
        }
        .section-accent-bg {
            background: #fef9f5;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-header p {
            color: #b0b0b0;
        }

        /* ============ CARDS ============ */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #d0d0d0;
        }
        .feature-card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }
        .feature-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .feature-card .card-accent-stripe {
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            border-radius: 4px 0 0 4px;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .feature-card:hover .card-accent-stripe {
            opacity: 1;
        }

        /* ============ SCENE DEMO ============ */
        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .scene-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .scene-block img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .scene-text h3 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .scene-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .scene-text .scene-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .scene-tag {
            display: inline-block;
            padding: 5px 12px;
            background: rgba(230, 57, 70, 0.06);
            color: var(--primary-dark);
            border-radius: 16px;
            font-size: 0.82rem;
            font-weight: 600;
        }

        /* ============ SOCIAL PROOF ============ */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        .proof-item {
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .proof-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            font-family: var(--font-heading);
        }
        .proof-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 4px;
        }

        /* ============ TESTIMONIALS ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--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 .t-quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            font-style: italic;
            position: relative;
            padding-left: 18px;
            border-left: 3px solid var(--primary-light);
        }
        .testimonial-card .t-author {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.9rem;
        }
        .testimonial-card .t-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============ STEPS ============ */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        @media (max-width: 768px) {
            .steps-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .step-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin: 0 auto 14px;
            font-family: var(--font-heading);
        }
        .step-item h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            gap: 12px;
            user-select: none;
        }
        .faq-question .faq-icon {
            transition: transform var(--transition-smooth);
            font-size: 0.9rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 10px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, #0d0d0d 0%, #1a0a0c 60%, #0d0d0d 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.2) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #c0c0c0;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary-lg {
            font-size: 1.1rem;
            padding: 16px 34px;
        }

        /* ============ BOTTOM STICKY BAR ============ */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
        }
        .bottom-sticky-bar.visible {
            transform: translateY(0);
        }
        .bottom-sticky-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .bottom-sticky-bar .sticky-highlight {
            color: var(--primary);
            font-weight: 800;
        }
        .bottom-sticky-bar .btn-sticky {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
        }
        .bottom-sticky-bar .btn-sticky:hover {
            background: var(--primary-dark);
            box-shadow: 0 0 40px rgba(230, 57, 70, 0.5);
        }
        @media (max-width: 520px) {
            .bottom-sticky-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                text-align: center;
            }
            .bottom-sticky-bar .sticky-text {
                font-size: 0.85rem;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0d0d0d;
            color: #d0d0d0;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: #a0a0a0;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #2a2a2a;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
        }
        .footer-bottom a {
            color: #888;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #ccc;
        }
        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* ============ UTILITY ============ */
        .text-primary-red {
            color: var(--primary);
        }
        .text-accent {
            color: var(--accent-glow);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-center {
            text-align: center;
        }

        /* ============ WORKS SHOWCASE ============ */
        .works-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .works-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .works-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .work-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }
        .work-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .work-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .work-card .work-info {
            padding: 16px 18px;
        }
        .work-card .work-info h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .work-card .work-info .work-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .work-card .work-info .work-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }

/* roulang page: category5 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb347;
            --bg-dark: #0d0d0d;
            --bg-card: #1a1a1a;
            --bg-section: #141414;
            --bg-light: #fafafa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-light: #f5f5f5;
            --text-muted: #a0a0a0;
            --border-subtle: #2a2a2a;
            --border-light: #e0e0e0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-brand-height: 48px;
            --nav-channel-height: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text-primary);
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============ NAVIGATION ============ */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.85;
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }

        .nav-channel-row {
            background: var(--bg-dark);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }

        .nav-channel-row::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0c0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-channel-link:hover,
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        /* ============ HERO ============ */
        .hero-section {
            background: linear-gradient(160deg, #0d0d0d 0%, #1a1a1a 40%, #141414 100%);
            position: relative;
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
            padding: 50px 0;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.3);
            color: #ff6b6b;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            width: fit-content;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: #c0c0c0;
            line-height: 1.75;
            max-width: 480px;
        }

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

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.35);
        }

        .btn-primary-lg:hover {
            background: var(--primary-dark);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-rank-card {
            background: rgba(30, 30, 30, 0.85);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            backdrop-filter: blur(8px);
        }

        .rank-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .rank-card-title {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rank-card-title i {
            color: var(--accent-glow);
            font-size: 0.9rem;
        }

        .rank-badge-live {
            background: #e63946;
            color: #fff;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            animation: pulse-live 2s infinite;
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .rank-item:hover {
            background: rgba(255, 255, 255, 0.07);
        }

        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .rank-num.top1 {
            background: #e63946;
            color: #fff;
        }
        .rank-num.top2 {
            background: #f4a261;
            color: #fff;
        }
        .rank-num.top3 {
            background: #e76f51;
            color: #fff;
        }
        .rank-num.normal {
            background: rgba(255, 255, 255, 0.1);
            color: #aaa;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            color: #f0f0f0;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-meta {
            color: #888;
            font-size: 0.75rem;
        }

        .rank-hot {
            color: #ff6b6b;
            font-weight: 700;
            font-size: 0.8rem;
            white-space: nowrap;
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: 60px 0;
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #b0b0b0;
        }

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

        .card-feature {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .card-feature .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            flex-shrink: 0;
        }

        .card-feature .card-icon.red {
            background: var(--primary);
        }
        .card-feature .card-icon.orange {
            background: var(--accent);
        }
        .card-feature .card-icon.purple {
            background: #7c3aed;
        }

        .card-feature h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .card-feature p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .section-dark .card-feature {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .section-dark .card-feature h3 {
            color: #f0f0f0;
        }
        .section-dark .card-feature p {
            color: #a0a0a0;
        }
        .section-dark .card-feature:hover {
            border-color: rgba(255, 255, 255, 0.2);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        /* ============ SHOW CARDS ============ */
        .show-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .show-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

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

        .show-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #1a1a1a;
        }

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

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

        .show-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--primary);
            color: #fff;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .show-card-body {
            padding: 14px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .show-card-body h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .show-card-body .show-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-dark .show-card {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .section-dark .show-card-body h4 {
            color: #f0f0f0;
        }
        .section-dark .show-card-body .show-meta {
            color: #888;
        }

        /* ============ STATS ============ */
        .stats-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 160px;
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        .section-dark .stat-number {
            color: #ff6b6b;
        }
        .section-dark .stat-label {
            color: #a0a0a0;
        }

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

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--primary-light);
        }

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

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

        .testimonial-card .user-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

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

        .section-dark .testimonial-card {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .section-dark .testimonial-card .quote {
            color: #c0c0c0;
        }
        .section-dark .testimonial-card .user-name {
            color: #f0f0f0;
        }

        /* ============ STEPS ============ */
        .steps-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 280px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .step-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.3);
        }

        .step-item h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        .section-dark .step-item h4 {
            color: #f0f0f0;
        }
        .section-dark .step-item p {
            color: #a0a0a0;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #ccc;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: transparent;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .section-dark .faq-item {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .section-dark .faq-question {
            color: #f0f0f0;
        }
        .section-dark .faq-answer {
            color: #b0b0b0;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 50%, #141414 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.1) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 18px;
        }

        .cta-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: #c0c0c0;
            max-width: 500px;
        }

        /* ============ STICKY BOTTOM CTA ============ */
        .sticky-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(13, 13, 13, 0.96);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-subtle);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
        }

        .sticky-bottom-cta.visible {
            transform: translateY(0);
        }

        .sticky-bottom-cta .sticky-msg {
            color: #f0f0f0;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .sticky-bottom-cta .sticky-msg span {
            color: #ff6b6b;
        }

        .btn-sticky-cta {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
            white-space: nowrap;
        }

        .btn-sticky-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.55);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-dark);
            color: #c0c0c0;
            padding: 40px 0 20px;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li a {
            color: #a0a0a0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: center;
            padding-top: 18px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.8rem;
            color: #888;
        }

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

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-right {
                order: -1;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .show-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                gap: 20px;
            }
            .stat-number {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .nav-desktop-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-channel-row {
                display: none;
            }
            .nav-channel-row.open {
                display: flex;
                height: auto;
                padding: 8px 0;
            }
            .nav-channel-inner {
                flex-wrap: wrap;
                justify-content: center;
                gap: 6px;
                padding: 8px 12px;
            }
            .nav-channel-link {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-section {
                min-height: auto;
                padding: 30px 0;
            }
            .hero-inner {
                padding: 24px 0;
                gap: 20px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .show-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-row {
                gap: 16px;
            }
            .stat-item {
                min-width: 120px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .sticky-bottom-cta {
                padding: 10px 14px;
                gap: 10px;
            }
            .sticky-bottom-cta .sticky-msg {
                font-size: 0.82rem;
            }
            .btn-sticky-cta {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .steps-row {
                gap: 16px;
            }
            .step-item {
                min-width: 140px;
                max-width: 200px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .show-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .show-card-body h4 {
                font-size: 0.85rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                text-align: center;
                justify-content: center;
            }
            .stats-row {
                flex-direction: column;
                align-items: center;
            }
            .stat-item {
                min-width: 100%;
            }
            .hero-rank-card {
                padding: 14px;
            }
            .rank-item {
                padding: 8px 10px;
                gap: 8px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-title {
                font-size: 1.4rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb347;
            --bg-dark: #0d0d0d;
            --bg-card: #1a1a1a;
            --bg-section: #141414;
            --bg-light: #fafafa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-light: #f5f5f5;
            --text-muted: #a0a0a0;
            --border-subtle: #2a2a2a;
            --border-light: #e0e0e0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.22);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --nav-brand-height: 48px;
            --nav-channel-height: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text-primary);
            background: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-bottom: 80px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        input {
            font-family: var(--font-body);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============ NAVIGATION ============ */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 28px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }

        .nav-channel-row {
            background: var(--bg-dark);
            height: var(--nav-channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--border-subtle);
        }

        .nav-channel-row::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0c0;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-channel-link:hover,
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        .mobile-menu-toggle:hover {
            background: #f5f5f5;
        }

        .nav-desktop-cta {
            display: inline-flex;
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 40%, #1f1012 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.35;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.15) 60%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.15) 60%, rgba(0, 0, 0, 0) 100%);
        }

        .hero-overlay-glow {
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
            padding: 60px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.4);
            color: #ff6b6b;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #c0c0c0;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 540px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: var(--primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.4);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 10px 32px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

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

        .hero-demo-card {
            position: relative;
            z-index: 2;
            background: rgba(26, 26, 26, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 380px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .hero-demo-card .demo-label {
            font-size: 0.8rem;
            color: #a0a0a0;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .hero-demo-card .demo-title {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
        }

        .hero-demo-card .demo-choices {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .demo-choice-btn {
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-sm);
            color: #d0d0d0;
            font-size: 0.9rem;
            text-align: left;
            transition: all var(--transition-fast);
            cursor: pointer;
            font-weight: 500;
        }

        .demo-choice-btn:hover {
            background: rgba(230, 57, 70, 0.2);
            border-color: rgba(230, 57, 70, 0.5);
            color: #fff;
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: 70px 0;
        }

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

        .section-light {
            background: #ffffff;
        }

        .section-muted {
            background: #f9f9f9;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

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

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: #b0b0b0;
        }

        /* ============ CARDS ============ */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-light);
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #d0d0d0;
        }

        .card-dark {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            box-shadow: none;
            color: #e0e0e0;
        }

        .card-dark:hover {
            border-color: #444;
            box-shadow: var(--shadow-lg);
            background: #1f1f1f;
        }

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon-red {
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary);
        }

        .card-icon-orange {
            background: rgba(244, 162, 97, 0.15);
            color: var(--accent);
        }

        .card-icon-dark {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .card-title {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .card-dark .card-title {
            color: #fff;
        }

        .card-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .card-dark .card-desc {
            color: #b0b0b0;
        }

        /* ============ STATS ============ */
        .stat-block {
            text-align: center;
            padding: 20px;
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

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

        .section-dark .stat-label {
            color: #b0b0b0;
        }

        /* ============ STEPS ============ */
        .step-line {
            display: flex;
            gap: 0;
            align-items: flex-start;
            position: relative;
        }

        .step-item {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 16px;
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
        }

        .step-connector {
            position: absolute;
            top: 26px;
            left: 50%;
            width: 100%;
            height: 3px;
            background: #e0e0e0;
            z-index: 1;
        }

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

        .step-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .step-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ============ FAQ ============ */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            font-family: var(--font-heading);
            gap: 16px;
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-top: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, #0d0d0d 0%, #1a1012 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-title {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            font-size: 1.1rem;
            color: #c0c0c0;
            max-width: 550px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ STICKY BOTTOM BAR ============ */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #ffffff;
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            font-family: var(--font-heading);
        }

        .sticky-bottom-bar .bar-highlight {
            color: var(--primary);
            font-weight: 800;
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 0.9rem;
            border-radius: 24px;
            font-weight: 700;
        }

        /* ============ TESTIMONIAL ============ */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: left;
            transition: all var(--transition-smooth);
        }

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

        .testimonial-stars {
            color: #f4a261;
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

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

        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
            font-family: var(--font-heading);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: #999;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0d0d0d;
            color: #d0d0d0;
            padding: 50px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #a0a0a0;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid #2a2a2a;
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #888;
            gap: 12px;
        }

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

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-section::before {
                width: 45%;
            }
            .hero-content {
                max-width: 520px;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .step-line {
                flex-wrap: wrap;
                gap: 20px;
            }
            .step-item {
                flex: 0 0 45%;
            }
            .step-connector {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .nav-desktop-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-channel-row {
                height: auto;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
            }
            .nav-channel-row.open {
                max-height: 300px;
            }
            .nav-channel-inner {
                flex-wrap: wrap;
                padding: 10px 16px;
                gap: 6px;
                justify-content: flex-start;
            }
            .nav-channel-link {
                padding: 7px 13px;
                font-size: 0.82rem;
            }
            .hero-section {
                min-height: auto;
                flex-direction: column;
            }
            .hero-section::before {
                width: 100%;
                height: 220px;
                position: relative;
                order: 1;
                mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.15) 60%, rgba(0, 0, 0, 0) 100%);
                -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.15) 60%, rgba(0, 0, 0, 0) 100%);
            }
            .hero-content {
                order: 2;
                padding: 30px 16px 40px;
                max-width: 100%;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-demo-card {
                order: 3;
                max-width: 100%;
                margin: 0 16px 30px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section {
                padding: 40px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                text-align: center;
                padding: 12px 16px;
                gap: 10px;
            }
            .step-line {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                flex: 1 1 auto;
                width: 100%;
                max-width: 320px;
            }
            .cta-title {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .nav-brand-row {
                padding: 0 14px;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
            .card {
                padding: 20px 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-demo-card {
                padding: 20px 16px;
            }
            .hero-demo-card .demo-title {
                font-size: 1.1rem;
            }
        }