/* roulang page: index */
:root {
            --primary: #2B7BD6;
            --primary-dark: #1E5FA8;
            --primary-light: #E8F1FB;
            --accent: #F5A623;
            --accent-dark: #D4891A;
            --accent-light: #FFF8EC;
            --bg: #F7F9FC;
            --bg-white: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-light: #94A3B8;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --space-4xl: 100px;
            --nav-height: 72px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans CN', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

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

        body {
            font-family: var(--font-stack);
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            font-weight: 400;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            transition: border-color var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
        }
        input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 123, 214, 0.1);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-sm);
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            list-style: none;
        }
        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
        }
        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-fast);
        }
        .header-nav a:hover::after,
        .header-nav a.active::after {
            width: 100%;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 166, 35, 0.3);
            transition: all var(--transition-fast);
            min-width: 110px;
            justify-content: center;
        }
        .header-cta:hover {
            background: var(--accent-dark);
            transform: scale(1.03);
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.4);
        }
        .header-cta:active {
            transform: scale(0.98);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }
        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition-fast);
            display: block;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 1024px) {
            .header-nav {
                gap: var(--space-md);
            }
            .header-nav a {
                font-size: 0.9rem;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 0.88rem;
                min-width: 90px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .header-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: var(--space-md);
                gap: var(--space-sm);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                border-bottom: 1px solid var(--border);
                z-index: 999;
            }
            .header-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .header-nav a {
                padding: 10px 0;
                font-size: 1rem;
                width: 100%;
                text-align: center;
            }
            .header-cta.desktop-only {
                display: none;
            }
            .header-cta.mobile-cta {
                display: inline-flex;
                width: 100%;
                text-align: center;
                margin-top: 8px;
                padding: 12px;
                font-size: 1rem;
            }
        }
        @media (min-width: 769px) {
            .header-cta.mobile-cta {
                display: none;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: var(--nav-height);
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(30, 41, 59, 0.78) 0%, rgba(30, 41, 59, 0.55) 40%, rgba(43, 123, 214, 0.35) 70%, rgba(30, 41, 59, 0.7) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: var(--space-xl) var(--space-md);
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 3.15rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: var(--space-sm);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: var(--space-lg);
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.5;
        }
        .hero-cta-group {
            display: flex;
            gap: var(--space-sm);
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: var(--space-xl);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 13px 32px;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 166, 35, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .hero-trust {
            display: flex;
            gap: var(--space-xl);
            justify-content: center;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust-item .trust-num {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero {
                min-height: auto;
                padding: calc(var(--nav-height) + 40px) var(--space-sm) 60px;
            }
            .hero-content {
                padding: var(--space-md) var(--space-xs);
            }
            .btn {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            .hero-trust {
                gap: var(--space-md);
            }
            .hero-trust-item .trust-num {
                font-size: 1.1rem;
            }
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--space-4xl) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-3xl);
        }
        .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: var(--space-sm);
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            section {
                padding: var(--space-2xl) 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: var(--space-xl);
            }
        }

        /* ========== COUNTDOWN ========== */
        .countdown-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }
        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-2xl);
            flex-wrap: wrap;
            text-align: center;
        }
        .countdown-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .countdown-info p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .countdown-timer {
            display: flex;
            gap: var(--space-md);
        }
        .countdown-unit {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 14px 20px;
            min-width: 72px;
            text-align: center;
        }
        .countdown-unit .num {
            font-size: 2rem;
            font-weight: 800;
            display: block;
            line-height: 1;
        }
        .countdown-unit .label {
            font-size: 0.78rem;
            opacity: 0.85;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .countdown-inner {
                gap: var(--space-md);
            }
            .countdown-unit {
                padding: 10px 14px;
                min-width: 56px;
            }
            .countdown-unit .num {
                font-size: 1.5rem;
            }
            .countdown-info h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== HIGHLIGHTS WALL ========== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .highlight-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .highlight-card .hl-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: var(--space-sm);
            color: var(--primary);
        }
        .highlight-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .highlight-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .highlight-card.featured {
            grid-column: span 1;
            grid-row: span 1;
            background: linear-gradient(135deg, #fff 0%, #f8faff 100%);
            border: 2px solid var(--primary);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
        }
        .highlight-card.featured .hl-icon {
            background: var(--primary);
            color: #fff;
            width: 56px;
            height: 56px;
            font-size: 1.6rem;
        }
        @media (max-width: 1024px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .highlight-card.featured {
                grid-column: span 1;
                grid-row: span 1;
            }
        }

        /* ========== PACKAGE COMPARISON ========== */
        .package-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
            align-items: stretch;
        }
        .package-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .package-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .package-card.popular {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
        }
        .package-card.popular:hover {
            transform: scale(1.05);
        }
        .package-card .popular-badge {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .package-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text);
        }
        .package-card .price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: var(--space-sm);
            line-height: 1;
        }
        .package-card .price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .package-card .features {
            list-style: none;
            text-align: left;
            margin-bottom: var(--space-lg);
            flex: 1;
        }
        .package-card .features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .package-card .features li::before {
            content: '✓';
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }
        .package-card .btn {
            width: 100%;
        }
        @media (max-width: 900px) {
            .package-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .package-card.popular {
                transform: scale(1);
            }
            .package-card.popular:hover {
                transform: scale(1.02);
            }
        }

        /* ========== REWARDS PREVIEW ========== */
        .rewards-section {
            background: var(--bg-white);
        }
        .rewards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .reward-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .reward-card:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .reward-card .reward-icon {
            font-size: 2.5rem;
            margin-bottom: var(--space-sm);
            display: block;
        }
        .reward-card h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--text);
        }
        .reward-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        @media (max-width: 768px) {
            .rewards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .rewards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FOCUS TOPICS ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid var(--border-light);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .topic-card .topic-img {
            height: 160px;
            background: var(--primary-light);
            overflow: hidden;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }
        .topic-card .topic-body {
            padding: var(--space-md);
            text-align: center;
        }
        .topic-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 4px;
        }
        .topic-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        @media (max-width: 900px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 500px) {
            .topics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== NEWS / INFO ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: var(--space-xl);
            align-items: start;
        }
        .news-list {
            list-style: none;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .news-list li {
            border-bottom: 1px solid var(--border-light);
        }
        .news-list li:last-child {
            border-bottom: none;
        }
        .news-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--space-md) var(--space-lg);
            transition: background var(--transition-fast);
            gap: var(--space-sm);
        }
        .news-list a:hover {
            background: var(--primary-light);
        }
        .news-list .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            flex: 1;
        }
        .news-list .news-date {
            font-size: 0.8rem;
            color: var(--text-light);
            white-space: nowrap;
        }
        .news-list .news-arrow {
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }
        .news-sidebar {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .news-sidebar h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: var(--space-md);
            color: var(--text);
        }
        .news-sidebar .side-item {
            display: flex;
            gap: var(--space-sm);
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
        }
        .news-sidebar .side-item:last-child {
            border-bottom: none;
        }
        .news-sidebar .side-thumb {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            flex-shrink: 0;
            overflow: hidden;
        }
        .news-sidebar .side-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-sidebar .side-info {
            flex: 1;
            min-width: 0;
        }
        .news-sidebar .side-info .side-title {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--text);
            display: block;
            line-height: 1.3;
        }
        .news-sidebar .side-info .side-date {
            font-size: 0.78rem;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-list a {
                padding: var(--space-sm) var(--space-md);
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1E5FA8 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-desc {
            color: rgba(255, 255, 255, 0.85);
        }
        .cta-form {
            display: flex;
            gap: var(--space-sm);
            max-width: 520px;
            margin: var(--space-xl) auto 0;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            font-size: 1rem;
            background: #fff;
            color: var(--text);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.15);
        }
        .cta-form .btn {
            flex-shrink: 0;
        }
        @media (max-width: 500px) {
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
            }
            .cta-form .btn {
                width: 100%;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: var(--space-md) var(--space-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            gap: var(--space-sm);
        }
        .faq-icon {
            font-size: 1.4rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-weight: 700;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 var(--space-lg);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: var(--space-md);
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: var(--space-sm) var(--space-md);
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 var(--space-md);
                font-size: 0.88rem;
            }
            .faq-item.open .faq-answer {
                padding-bottom: var(--space-sm);
            }
        }

        /* ========== STICKY BAR ========== */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            z-index: 998;
            padding: 12px var(--space-md);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-md);
            transition: transform var(--transition-normal), opacity var(--transition-normal);
            border-top: 1px solid var(--border);
        }
        .sticky-bar.hidden {
            transform: translateY(100%);
            opacity: 0;
            pointer-events: none;
        }
        .sticky-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
        }
        .sticky-bar .btn {
            flex-shrink: 0;
        }
        @media (max-width: 600px) {
            .sticky-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px var(--space-sm);
            }
            .sticky-bar .sticky-text {
                font-size: 0.85rem;
            }
            .sticky-bar .btn {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a2332;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-3xl) 0 var(--space-lg);
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: var(--space-sm);
        }
        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: var(--space-sm);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        @media (max-width: 768px) {
            :root {
                --space-4xl: 60px;
                --space-3xl: 48px;
                --space-2xl: 40px;
            }
        }