/* roulang page: index */
:root {
            --color-primary: #1e40af;
            --color-primary-light: #2563eb;
            --color-primary-lighter: #3b82f6;
            --color-primary-dark: #1e3a8a;
            --color-accent: #f59e0b;
            --color-accent-light: #fbbf24;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.1), 0 4px 8px rgba(15, 23, 42, 0.05);
            --shadow-xl: 0 20px 48px rgba(15, 23, 42, 0.14), 0 8px 16px rgba(15, 23, 42, 0.06);
            --transition-fast: 150ms ease;
            --transition-base: 250ms ease;
            --transition-slow: 400ms ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        main {
            flex: 1;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        :focus-visible {
            outline: 3px solid var(--color-primary-lighter);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== Header Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            border-bottom-color: var(--color-border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 0;
            min-height: 64px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            letter-spacing: 1px;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary-light);
        }
        .nav-search {
            flex: 0 1 280px;
            min-width: 160px;
            position: relative;
        }
        .nav-search-input {
            width: 100%;
            padding: 9px 38px 9px 16px;
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            background: var(--color-surface);
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search-input::placeholder {
            color: var(--color-text-muted);
        }
        .nav-search-input:focus {
            outline: none;
            border-color: var(--color-primary-lighter);
            box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
        }
        .nav-search-btn {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            background: none;
            border: none;
            font-size: 15px;
            cursor: pointer;
            padding: 4px;
        }
        .nav-search-btn:hover {
            color: var(--color-primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 9999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            background: var(--color-border-light);
            color: var(--color-text);
        }
        .nav-link.active {
            background: rgba(37, 99, 235, 0.1);
            color: var(--color-primary-light);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            color: #fff;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            box-shadow: var(--shadow-md);
        }
        .nav-cta:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-cta:active {
            transform: translateY(0);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            transition: border-color var(--transition-fast);
        }
        .mobile-toggle:hover {
            border-color: var(--color-primary-lighter);
        }
        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .mobile-menu {
            display: none;
            padding: 8px 0 16px;
            border-top: 1px solid var(--color-border-light);
            background: #fff;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .mobile-menu a:hover {
            background: var(--color-border-light);
            color: var(--color-text);
        }
        .mobile-menu a.active {
            color: var(--color-primary-light);
            font-weight: 600;
            background: rgba(37, 99, 235, 0.08);
        }
        /* ========== Section Base ========== */
        .section {
            padding: 56px 0;
        }
        .section-tight {
            padding: 40px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--color-primary-light);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            padding: 36px 0 48px;
            background: linear-gradient(160deg, #eff6ff 0%, #f8fafc 40%, #ffffff 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--color-border-light);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 36px;
            align-items: center;
        }
        .hero-copy {
            padding: 16px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 9999px;
            background: #fff;
            border: 1px solid var(--color-border);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary-light);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
        }
        .hero-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -1px;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .hero-title em {
            font-style: normal;
            color: var(--color-primary-light);
        }
        .hero-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 24px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 9999px;
            font-size: 15px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            color: #fff;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: 9999px;
            font-size: 15px;
            font-weight: 600;
            background: #fff;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .btn-secondary:hover {
            border-color: var(--color-primary-lighter);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-light);
            letter-spacing: -0.5px;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .hero-coupon-wall {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            position: relative;
        }
        .coupon-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .coupon-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .coupon-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at bottom left, transparent 50%, var(--color-bg) 50%);
            border-radius: 0 0 0 56px;
        }
        .coupon-card.main-coupon {
            grid-column: span 2;
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
            color: #fff;
            border: none;
            padding: 26px 24px;
        }
        .coupon-card.main-coupon::after {
            background: radial-gradient(circle at bottom left, transparent 50%, rgba(255,255,255,0.06) 50%);
        }
        .coupon-label {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .main-coupon .coupon-label {
            color: var(--color-accent-light);
        }
        .coupon-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .main-coupon .coupon-title {
            font-size: 20px;
            color: #fff;
        }
        .coupon-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .main-coupon .coupon-desc {
            color: rgba(255, 255, 255, 0.75);
        }
        .coupon-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary-light);
            letter-spacing: -0.5px;
        }
        .main-coupon .coupon-value {
            font-size: 28px;
            color: #fff;
        }
        .coupon-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 18px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(37, 99, 235, 0.08);
            color: var(--color-primary-light);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .coupon-btn:hover {
            background: var(--color-primary-light);
            color: #fff;
        }
        .main-coupon .coupon-btn {
            background: #fff;
            color: var(--color-primary-dark);
        }
        .main-coupon .coupon-btn:hover {
            background: var(--color-accent-light);
            color: var(--color-text);
        }
        /* ========== Calendar ========== */
        .calendar-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 8px;
        }
        .calendar-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 16px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .calendar-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .calendar-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary-light);
            letter-spacing: 0.5px;
        }
        .calendar-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
        }
        .calendar-tag {
            display: inline-flex;
            align-self: flex-start;
            padding: 3px 10px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
        }
        /* ========== Topic Cards ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .topic-image {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--color-border-light);
        }
        .topic-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .topic-card:hover .topic-image img {
            transform: scale(1.06);
        }
        .topic-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(0,0,0,0.25), transparent);
            pointer-events: none;
        }
        .topic-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .topic-badge {
            display: inline-flex;
            align-self: flex-start;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(37, 99, 235, 0.08);
            color: var(--color-primary-light);
        }
        .topic-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
        }
        .topic-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary-light);
            margin-top: auto;
            transition: color var(--transition-fast);
        }
        .topic-link:hover {
            color: var(--color-primary-dark);
        }
        /* ========== Data Board ========== */
        .data-board {
            background: linear-gradient(160deg, #1e3a8a 0%, #1e40af 45%, #1d4ed8 100%);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }
        .data-board::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .data-board::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .data-board-header {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .data-board-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .data-board-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 420px;
            line-height: 1.6;
        }
        .data-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-item {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
            transition: background var(--transition-fast);
        }
        .data-item:hover {
            background: rgba(255, 255, 255, 0.14);
        }
        .data-number {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
        }
        .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }
        /* ========== Service Matrix ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 22px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            text-align: center;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.25);
        }
        .service-icon {
            width: 48px;
            height: 48px;
            background: rgba(37, 99, 235, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 22px;
            color: var(--color-primary-light);
        }
        .service-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .service-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        /* ========== Comparison ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .comparison-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .comparison-card.highlight {
            border: 2px solid rgba(37, 99, 235, 0.35);
            background: linear-gradient(170deg, #ffffff 0%, #eff6ff 100%);
        }
        .comparison-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text);
        }
        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .comparison-list li .icon-check {
            color: #16a34a;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .comparison-list li .icon-x {
            color: #dc2626;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }
        /* ========== News ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 18px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .news-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.2);
        }
        .news-index {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-border);
            letter-spacing: -1px;
            flex-shrink: 0;
            width: 36px;
            text-align: right;
            line-height: 1.2;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 4px;
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .news-tag {
            display: inline-flex;
            padding: 2px 8px;
            border-radius: 9999px;
            font-size: 11px;
            font-weight: 500;
            background: rgba(37, 99, 235, 0.06);
            color: var(--color-primary-light);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-side-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .news-side-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-side-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary-light);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .news-side-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.45;
            margin-bottom: 6px;
        }
        .news-side-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.55;
        }
        /* ========== Guide ========== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .guide-step {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
        }
        .guide-step:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .guide-step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 14px;
        }
        .guide-step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .guide-step-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary-light);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--color-primary-light);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* ========== Form / CTA ========== */
        .cta-panel {
            background: linear-gradient(140deg, #ffffff 0%, #eff6ff 100%);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .cta-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        .cta-info p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .cta-feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .cta-feature-list li {
            font-size: 14px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .cta-feature-list li .icon-check {
            color: #16a34a;
            font-weight: 700;
        }
        .cta-form-box {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
        }
        .cta-form-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }
        .form-input {
            width: 100%;
            padding: 11px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: #fafbfc;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--color-primary-lighter);
            box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
            background: #fff;
        }
        .form-btn {
            width: 100%;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            color: #fff;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            box-shadow: var(--shadow-sm);
            margin-top: 6px;
        }
        .form-btn:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .form-btn:active {
            transform: translateY(0);
        }
        .form-hint {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 10px;
            text-align: center;
        }
        /* ========== Footer ========== */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 24px;
            margin-top: 32px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            margin-top: 10px;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-coupon-wall {
                max-width: 520px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .calendar-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .guide-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 36px 0;
            }
            .section-tight {
                padding: 28px 0;
            }
            .header-inner {
                padding: 10px 0;
                min-height: 56px;
            }
            .nav-search {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-coupon-wall {
                grid-template-columns: 1fr;
            }
            .coupon-card.main-coupon {
                grid-column: span 1;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .service-card {
                padding: 16px 12px;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .guide-steps {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .data-board {
                padding: 24px 18px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-number {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-stats {
                gap: 12px;
            }
            .hero-stat-value {
                font-size: 20px;
            }
            .calendar-strip {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .coupon-card {
                padding: 16px;
            }
            .coupon-card.main-coupon {
                padding: 20px;
            }
            .cta-panel {
                padding: 24px 18px;
            }
            .cta-form-box {
                padding: 20px 16px;
            }
            .btn-primary, .btn-secondary {
                padding: 11px 20px;
                font-size: 14px;
            }
        }