:root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --primary-light: #dbeafe;
            --accent: #0ea5e9;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-strong: #cbd5e1;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1);
            --transition-base: all 0.2s ease;
            --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', '-apple-system', 'BlinkMacSystemFont', 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition-base);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 58, 138, 0.72) 45%, rgba(14, 165, 233, 0.55) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            padding-top: 80px;
            padding-bottom: 80px;
            width: 100%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #e0f2fe;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            font-size: 11px;
            color: #7dd3fc;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .hero-desc {
            font-size: 16px;
            color: rgba(226, 232, 240, 0.92);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 28px;
        }

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

        .benefit-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #f0f9ff;
            font-size: 13px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 50px;
            transition: var(--transition-base);
        }

        .benefit-badge:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .benefit-badge i {
            color: #7dd3fc;
            font-size: 12px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: #ffffff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-primary:hover {
            background: #f0f9ff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            border-radius: var(--radius-lg);
        }

        .hero-data-row {
            display: flex;
            gap: 24px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
        }

        .hero-data-number {
            font-size: 28px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.02em;
        }

        .hero-data-label {
            font-size: 13px;
            color: rgba(226, 232, 240, 0.75);
        }

        .hero-apply-card {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-xl);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .hero-apply-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .hero-apply-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .hero-apply-list {
            list-style: none;
            margin-bottom: 16px;
        }

        .hero-apply-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
            padding: 6px 0;
        }

        .hero-apply-list li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Section base */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Stats bar */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .stat-desc {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 2px;
        }

        /* Content track - horizontal scroll */
        .track-wrapper {
            position: relative;
        }

        .track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .track-scroll::-webkit-scrollbar {
            display: none;
        }

        .track-card {
            flex: 0 0 240px;
            scroll-snap-align: start;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .track-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .track-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .track-card-body {
            padding: 14px 16px;
        }

        .track-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent) + '15';
            padding: 3px 8px;
            border-radius: 50px;
            margin-bottom: 6px;
        }

        .track-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .track-card-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Hot discussion */
        .hot-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .hot-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .hot-item-rank {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: var(--text-muted);
        }

        .hot-item-rank.top {
            background: linear-gradient(135deg, #f59e0b, #f97316);
            color: #fff;
        }

        .hot-item-rank.second {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            color: #fff;
        }

        .hot-item-rank.third {
            background: linear-gradient(135deg, #d97706, #b45309);
            color: #fff;
        }

        .hot-item-content {
            flex: 1;
            min-width: 0;
        }

        .hot-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-item-desc {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-item-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            gap: 12px;
            margin-top: 4px;
        }

        .hot-sidebar {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .hot-sidebar-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hot-featured {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-featured-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .hot-featured-item:hover {
            background: var(--bg);
        }

        .hot-featured-img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

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

        .hot-featured-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-featured-tag {
            font-size: 12px;
            color: var(--text-light);
        }

        /* Topic zones */
        .zones-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .zone-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

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

        .zone-card.wide {
            grid-column: span 2;
        }

        .zone-icon {
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 12px;
        }

        .zone-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .zone-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .zone-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .zone-count {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--bg);
            padding: 3px 10px;
            border-radius: 50px;
            font-weight: 500;
        }

        /* News list */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .news-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .news-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .news-item-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-item-date {
            font-size: 12px;
            color: var(--text-light);
            flex-shrink: 0;
        }

        .news-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            padding: 2px 8px;
            border-radius: 50px;
            flex-shrink: 0;
        }

        .news-tag.important {
            background: #ef4444;
        }

        /* Testimonials */
        .reviews-layout {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 28px;
        }

        .reviews-summary {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .reviews-score {
            font-size: 48px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.03em;
            line-height: 1;
        }

        .reviews-stars {
            color: #f59e0b;
            font-size: 18px;
            margin: 8px 0;
        }

        .reviews-count {
            font-size: 14px;
            color: var(--text-muted);
        }

        .reviews-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .review-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .review-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .review-avatar {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .review-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .review-role {
            font-size: 12px;
            color: var(--text-light);
        }

        .review-content {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .review-stars-sm {
            color: #f59e0b;
            font-size: 12px;
            letter-spacing: 2px;
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 820px;
            margin: 0 auto;
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
        }

        .comparison-card.before {
            background: #fef2f2;
            border: 1px solid #fecaca;
        }

        .comparison-card.after {
            background: #f0fdf4;
            border: 1px solid #bbf7d0;
            box-shadow: var(--shadow-lg);
        }

        .comparison-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .comparison-card.before .comparison-title {
            color: #dc2626;
        }

        .comparison-card.after .comparison-title {
            color: #16a34a;
        }

        .comparison-list {
            list-style: none;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            padding: 5px 0;
            color: var(--text);
        }

        .comparison-list li i {
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-card.before .comparison-list li i {
            color: #dc2626;
        }

        .comparison-card.after .comparison-list li i {
            color: #16a34a;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            user-select: none;
            transition: var(--transition-base);
        }

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

        .faq-question i {
            transition: var(--transition-base);
            color: var(--text-light);
        }

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

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA Form */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 60%, #0ea5e9 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            z-index: 1;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 56px 0;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 15px;
            color: rgba(226, 232, 240, 0.9);
            line-height: 1.8;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.98);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cta-form p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 4px;
        }

        .form-input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 14px;
            transition: var(--transition-base);
            background: #fff;
            color: var(--text);
        }

        .form-input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        textarea.form-input {
            min-height: 90px;
            resize: vertical;
        }

        .form-submit {
            width: 100%;
            padding: 12px 20px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .form-submit:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #e2e8f0;
            padding: 48px 0 28px;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.8;
            max-width: 380px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 6px;
        }

        .footer-links a {
            font-size: 13px;
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-copyright {
            font-size: 13px;
            color: #64748b;
        }

        .footer-copyright a {
            color: #94a3b8;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-apply-card {
                max-width: 480px;
            }
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hot-layout {
                grid-template-columns: 1fr;
            }
            .zones-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .zone-card.wide {
                grid-column: span 2;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .reviews-layout {
                grid-template-columns: 1fr;
            }
            .reviews-summary {
                display: flex;
                align-items: center;
                gap: 20px;
                text-align: left;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 60px;
            }
            .nav-logo {
                font-size: 15px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
                border-radius: 8px;
            }
            .section {
                padding: 40px 0;
            }
            .hero-section {
                min-height: auto;
            }
            .hero-title {
                font-size: 30px;
                line-height: 1.35;
            }
            .hero-desc {
                font-size: 14px;
                line-height: 1.75;
            }
            .hero-data-number {
                font-size: 22px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-number {
                font-size: 22px;
            }
            .track-card {
                flex: 0 0 200px;
            }
            .track-card-img {
                height: 130px;
            }
            .zones-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .zone-card.wide {
                grid-column: span 1;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-content {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 40px 0;
            }
            .cta-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-apply-card {
                padding: 20px;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-data-row {
                gap: 12px;
            }
            .hero-data-number {
                font-size: 18px;
            }
            .hero-data-label {
                font-size: 11px;
            }
            .benefit-badge {
                font-size: 11px;
                padding: 6px 10px;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-number {
                font-size: 18px;
            }
            .stat-label {
                font-size: 11px;
            }
            .stat-desc {
                font-size: 10px;
            }
            .track-card {
                flex: 0 0 170px;
            }
            .track-card-img {
                height: 110px;
            }
            .track-card-body {
                padding: 10px 12px;
            }
            .hot-item {
                flex-wrap: wrap;
                padding: 12px 14px;
                gap: 10px;
            }
            .news-item {
                flex-wrap: wrap;
                padding: 10px 12px;
            }
            .review-card {
                padding: 16px;
            }
            .faq-question {
                padding: 12px 16px;
                font-size: 14px;
            }
            .cta-form {
                padding: 20px;
            }
            .comparison-card {
                padding: 16px;
            }
            .nav-link {
                padding: 6px 12px;
                font-size: 13px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
        }