/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-hover: #1D4ED8;
            --primary-light: #EFF6FF;
            --accent: #D4A373;
            --accent-hover: #B8845A;
            --bg: #F8FAFC;
            --card-bg: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #64748B;
            --border: #E2E8F0;
            --success: #10B981;
            --warning: #F59E0B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-btn: 0 4px 12px rgba(37, 99, 235, 0.25);
            --max-width: 1200px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            font-weight: 400;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border);
        }

        .nav-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 16px;
        }

        .nav-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .nav-brand i {
            font-size: 1.5rem;
            color: var(--accent);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            background: var(--bg);
            transition: all var(--transition-fast);
            font-size: 1.1rem;
        }

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

        .nav-search-panel {
            display: none;
            position: absolute;
            top: 100%;
            right: 20px;
            width: 320px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 16px;
            z-index: 101;
            border: 1px solid var(--border);
        }

        .nav-search-panel.active {
            display: block;
        }

        .nav-search-panel input {
            width: 100%;
            height: 44px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
        }

        .nav-search-panel input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 40px;
            padding: 0 20px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-cta-nav:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-btn);
        }

        .nav-row-channels {
            border-top: 1px solid var(--border);
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 10px 0;
        }

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

        .nav-channels-inner {
            display: flex;
            gap: 6px;
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
        }

        .nav-channel-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

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

        .nav-channel-item.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
            position: relative;
            box-shadow: inset 0 -3px 0 0 var(--primary);
        }

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--text-primary);
            background: none;
            border-radius: var(--radius-sm);
        }

        .nav-hamburger:hover {
            background: var(--bg);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 99;
        }

        .mobile-menu-overlay.active {
            display: block;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: #fff;
            z-index: 100;
            padding: 24px;
            transition: right var(--transition-smooth);
            overflow-y: auto;
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        }

        .mobile-menu-panel.active {
            right: 0;
        }

        .mobile-menu-panel .nav-channel-item {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
            font-size: 1rem;
        }

        .mobile-menu-close {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            margin-bottom: 20px;
            font-size: 1.6rem;
            color: var(--text-secondary);
            cursor: pointer;
            background: none;
            border: none;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #EFF6FF 0%, #F0F4FF 40%, #F8FAFC 100%);
            padding: 60px 0;
            min-height: 360px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero-bg-img {
            position: absolute;
            right: -40px;
            top: 50%;
            transform: translateY(-50%);
            width: 480px;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-md);
            opacity: 0.35;
            pointer-events: none;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
        }

        .hero-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 500px;
            min-width: 280px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-text h1 {
            font-size: 2.5rem;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-text .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
        }

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

        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .hero-visual {
            flex: 0 0 340px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            width: 100%;
            max-width: 340px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .hero-visual-card .card-img-top {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .hero-visual-card .card-body {
            padding: 20px;
        }

        .hero-visual-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .hero-visual-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .hero-visual-card .card-body .card-tags {
            display: flex;
            gap: 8px;
            margin-top: 10px;
            flex-wrap: wrap;
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-light {
            background: var(--primary-light);
        }

        .section-title {
            text-align: center;
            margin-bottom: 16px;
        }

        .section-title h2 {
            font-size: 1.875rem;
            line-height: 1.3;
            font-weight: 600;
            color: var(--text-primary);
        }

        .section-subtitle {
            text-align: center;
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 48px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 100%);
            padding: 60px 0;
        }

        .metrics-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
        }

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

        .metric-card {
            flex: 0 0 240px;
            min-width: 200px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }

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

        .metric-card .metric-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
            display: block;
        }

        .metric-card .metric-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        /* ========== COUPON GRID (券面网格) ========== */
        .coupon-grid-section {
            background: var(--bg);
        }

        .coupon-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .coupon-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border);
            position: relative;
            display: flex;
            flex-direction: column;
        }

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

        .coupon-card.card-large {
            grid-column: 1;
            grid-row: 1 / 3;
            flex-direction: column;
        }

        .coupon-card.card-large .coupon-img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            display: block;
        }

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

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

        .coupon-card .coupon-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 5px 14px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-lg);
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.03em;
        }

        .coupon-card .coupon-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .coupon-card .coupon-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 12px;
            flex: 1;
        }

        .coupon-card .coupon-body .coupon-meta {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: auto;
        }

        .coupon-card .coupon-body .coupon-arrow {
            align-self: flex-end;
            font-size: 1.1rem;
            color: var(--primary);
            transition: transform var(--transition-fast);
        }

        .coupon-card:hover .coupon-arrow {
            transform: translateX(4px);
        }

        .coupon-card.card-small {
            grid-column: 2;
        }

        .coupon-card.card-small:nth-of-type(2) {
            grid-row: 1;
        }

        .coupon-card.card-small:nth-of-type(3) {
            grid-row: 2;
        }

        .coupon-card.card-small .coupon-img {
            height: 140px;
        }

        /* ========== FOCUS TOPICS (焦点主题) ========== */
        .focus-topics {
            background: #FFFFFF;
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .topic-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .topic-card:hover {
            background: #fff;
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
            transform: translateY(-3px);
        }

        .topic-card .topic-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 14px;
            display: block;
        }

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

        .topic-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== HOW-TO / RULES ========== */
        .how-to-section {
            background: var(--bg);
        }

        .steps-horizontal {
            display: flex;
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            flex-wrap: wrap;
        }

        .step-card {
            flex: 1 1 220px;
            min-width: 200px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            position: relative;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }

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

        .step-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

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

        .step-connector {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            color: var(--border);
            flex-shrink: 0;
            align-self: center;
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: #FFFFFF;
        }

        .comparison-wrapper {
            display: flex;
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            align-items: stretch;
            flex-wrap: wrap;
        }

        .comparison-panel {
            flex: 1 1 300px;
            min-width: 260px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 32px 24px;
            border: 1px solid var(--border);
        }

        .comparison-panel.panel-ordinary {
            border-top: 4px solid #CBD5E1;
        }

        .comparison-panel.panel-premium {
            border-top: 4px solid var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .comparison-panel h3 {
            font-size: 1.3rem;
            font-weight: 600;
            text-align: center;
            margin-bottom: 24px;
        }

        .comparison-panel.panel-ordinary h3 {
            color: var(--text-secondary);
        }

        .comparison-panel.panel-premium h3 {
            color: var(--primary);
        }

        .comparison-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-row .comp-label {
            color: var(--text-secondary);
            font-weight: 500;
        }

        .comparison-row .comp-value {
            font-weight: 600;
        }

        .panel-ordinary .comp-value {
            color: var(--text-secondary);
            text-decoration: line-through;
            text-decoration-color: #CBD5E1;
        }

        .panel-premium .comp-value {
            color: var(--primary);
        }

        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 60px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            align-self: center;
        }

        .comparison-cta-row {
            text-align: center;
            margin-top: 32px;
        }

        /* ========== REVIEWS WALL ========== */
        .reviews-section {
            background: var(--bg);
        }

        .reviews-layout {
            display: flex;
            gap: 32px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            flex-wrap: wrap;
        }

        .reviews-summary {
            flex: 0 0 260px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            border: 1px solid var(--border);
            align-self: flex-start;
        }

        .reviews-summary .review-big-score {
            font-size: 4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .reviews-summary .review-stars {
            color: #F59E0B;
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .reviews-summary .review-total {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .reviews-list {
            flex: 1 1 400px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .review-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
        }

        .review-item:hover {
            box-shadow: var(--shadow-lg);
        }

        .review-item .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-secondary);
            flex-shrink: 0;
            overflow: hidden;
        }

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

        .review-user-info {
            flex: 1;
        }

        .review-user-info .review-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .review-user-info .review-date {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

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

        .review-item .review-stars-sm {
            color: #F59E0B;
            font-size: 0.85rem;
            margin-bottom: 4px;
        }

        /* ========== NEWS / INFO LIST ========== */
        .news-section {
            background: #FFFFFF;
        }

        .news-layout {
            display: flex;
            gap: 32px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            flex-wrap: wrap;
        }

        .news-list-col {
            flex: 1 1 500px;
            min-width: 280px;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-list-item:hover {
            padding-left: 8px;
        }

        .news-list-item .news-date-badge {
            flex: 0 0 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.85rem;
            line-height: 1.2;
            text-align: center;
        }

        .news-list-item .news-content {
            flex: 1;
        }

        .news-list-item .news-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-list-item .news-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-sidebar {
            flex: 0 0 300px;
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 24px;
            align-self: flex-start;
            border: 1px solid var(--border);
        }

        .news-sidebar h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .news-sidebar .sidebar-card {
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 14px;
            margin-bottom: 10px;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

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

        .news-sidebar .sidebar-card h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .news-sidebar .sidebar-card span {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--primary-light);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-question .faq-q-icon {
            flex: 0 0 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: transform var(--transition-smooth);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        .faq-cta-row {
            text-align: center;
            margin-top: 32px;
        }

        /* ========== CONVERSION FORM ========== */
        .conversion-section {
            background: #FFFFFF;
        }

        .form-layout {
            display: flex;
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            flex-wrap: wrap;
            align-items: flex-start;
        }

        .form-info {
            flex: 0 0 38%;
            min-width: 260px;
        }

        .form-info h2 {
            font-size: 1.875rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .form-info p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .form-info .form-benefits {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .form-info .form-benefit-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .form-info .form-benefit-item i {
            color: var(--success);
            font-size: 1rem;
        }

        .form-card {
            flex: 1 1 400px;
            min-width: 300px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 32px;
            border: 1px solid var(--border);
        }

        .form-card .form-group {
            margin-bottom: 16px;
        }

        .form-card label {
            display: block;
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .form-card input,
        .form-card select,
        .form-card textarea {
            width: 100%;
            height: 44px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: #fff;
            color: var(--text-primary);
        }

        .form-card textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
        }

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

        .form-card .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
        }

        .form-card .btn-submit:hover {
            background: var(--accent);
            box-shadow: 0 4px 16px rgba(212, 163, 115, 0.35);
        }

        .form-card .form-privacy {
            font-size: 0.8rem;
            color: var(--text-secondary);
            text-align: center;
            margin-top: 12px;
        }

        .form-card .form-privacy a {
            color: var(--primary);
            text-decoration: underline;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: flex;
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .footer-brand-col {
            flex: 0 0 240px;
            min-width: 200px;
        }

        .footer-brand-col .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand-col p {
            font-size: 0.85rem;
            color: #94A3B8;
            line-height: 1.6;
        }

        .footer-links-col {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .footer-link-group h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-link-group a {
            display: block;
            font-size: 0.85rem;
            color: #94A3B8;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: var(--max-width);
            margin: 32px auto 0;
            padding: 20px 20px 0;
            width: 100%;
            border-top: 1px solid #334155;
            text-align: center;
            font-size: 0.8rem;
            color: #64748B;
        }

        /* ========== BUTTONS GLOBAL ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: none;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-btn);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: none;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(212, 163, 115, 0.35);
        }

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

        .btn-outline:hover {
            background: var(--primary-light);
        }

        .btn-sm {
            height: 36px;
            padding: 0 16px;
            font-size: 0.85rem;
        }

        .btn-lg {
            height: 52px;
            padding: 0 32px;
            font-size: 1.05rem;
        }

        /* ========== TAGS ========== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            white-space: nowrap;
        }

        .tag-accent {
            background: #FEF3E4;
            color: var(--accent);
        }

        .tag-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-text h1 {
                font-size: 2rem;
            }

            .hero-visual {
                flex: 0 0 280px;
            }

            .hero-bg-img {
                width: 340px;
                height: 240px;
                right: -60px;
                opacity: 0.25;
            }

            .coupon-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }

            .coupon-card.card-large {
                grid-column: 1 / -1;
                grid-row: auto;
            }

            .coupon-card.card-small {
                grid-column: auto;
                grid-row: auto;
            }

            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .section {
                padding: 60px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-hamburger {
                display: flex;
            }

            .nav-row-channels {
                display: none;
            }

            .nav-actions .btn-cta-nav {
                display: none;
            }

            .nav-actions .btn-cta-nav-mobile-show {
                display: inline-flex;
            }

            .hero-section {
                padding: 40px 0;
                min-height: auto;
            }

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

            .hero-text h1 {
                font-size: 1.7rem;
            }

            .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 340px;
            }

            .hero-bg-img {
                display: none;
            }

            .hero-stats-row {
                gap: 20px;
            }

            .coupon-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .coupon-card.card-large,
            .coupon-card.card-small {
                grid-column: 1;
                grid-row: auto;
            }

            .topics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .steps-horizontal {
                flex-direction: column;
                gap: 16px;
            }

            .step-connector {
                display: none;
            }

            .comparison-wrapper {
                flex-direction: column;
            }

            .comparison-vs {
                flex: 0 0 auto;
                padding: 8px 0;
            }

            .reviews-layout {
                flex-direction: column;
            }

            .reviews-summary {
                flex: 0 0 auto;
                width: 100%;
            }

            .news-layout {
                flex-direction: column;
            }

            .news-sidebar {
                flex: 0 0 auto;
                width: 100%;
            }

            .form-layout {
                flex-direction: column;
                gap: 24px;
            }

            .form-info {
                flex: 0 0 auto;
                width: 100%;
            }

            .form-card {
                flex: 1 1 auto;
                width: 100%;
                min-width: auto;
            }

            .section {
                padding: 48px 0;
            }

            .section-title h2 {
                font-size: 1.5rem;
            }

            .metrics-scroll {
                gap: 12px;
            }

            .metric-card {
                flex: 0 0 180px;
                min-width: 160px;
                padding: 20px 16px;
            }

            .metric-card .metric-num {
                font-size: 2rem;
            }

            .footer-grid {
                flex-direction: column;
                gap: 24px;
            }

            .nav-brand {
                font-size: 1.1rem;
            }

            .nav-search-panel {
                width: 260px;
                right: 10px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.45rem;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .hero-cta-group .btn {
                width: 100%;
            }

            .hero-stats-row {
                gap: 14px;
            }

            .hero-stat-num {
                font-size: 1.3rem;
            }

            .topics-grid {
                grid-template-columns: 1fr;
            }

            .metric-card {
                flex: 0 0 150px;
                min-width: 140px;
            }

            .form-card {
                padding: 20px;
            }

            .container {
                padding: 0 14px;
            }

            .section-title h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== FOCUS VISIBLE ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .section {
            animation: fadeInUp 0.6s ease forwards;
        }