/* roulang page: index */
:root {
            --brand-blue: #0f4c81;
            --brand-blue-dark: #0a3559;
            --brand-blue-light: #e8f0f8;
            --accent-gold: #d4a056;
            --accent-gold-light: #fdf6ec;
            --bg-page: #f5f7fa;
            --bg-white: #ffffff;
            --text-primary: #1a202c;
            --text-secondary: #4a5568;
            --text-muted: #718096;
            --border-color: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(15, 76, 129, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 76, 129, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 76, 129, 0.14);
            --transition-base: all 0.3s ease;
            --transition-smooth: all 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover {
            color: var(--brand-blue-dark);
            text-decoration: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(15, 76, 129, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-max);
        }

        .section-padding {
            padding: 64px 0;
        }

        .section-padding-sm {
            padding: 40px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--brand-blue);
            background: var(--brand-blue-light);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }

        .text-brand {
            color: var(--brand-blue);
        }

        .text-accent {
            color: var(--accent-gold);
        }

        .bg-brand-light {
            background-color: var(--brand-blue-light);
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(15, 76, 129, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-height);
            padding: 0 16px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand-link:hover {
            color: var(--brand-blue);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, #1e6bb8 100%);
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text .brand-name {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .header-nav a.nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .header-nav a.nav-item:hover {
            background: var(--brand-blue-light);
            color: var(--brand-blue);
        }

        .header-nav a.nav-item.active {
            background: var(--brand-blue);
            color: #fff;
            box-shadow: 0 4px 14px rgba(15, 76, 129, 0.25);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--brand-blue);
            color: #fff;
            border: none;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            background: var(--brand-blue-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(15, 76, 129, 0.3);
            transform: translateY(-1px);
        }

        /* Chip 横滑导航行 */
        .chip-nav-row {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 8px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .chip-nav-inner {
            display: flex;
            gap: 8px;
            padding: 0 16px;
            white-space: nowrap;
            min-width: max-content;
        }

        .chip-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-page);
            border: 1px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .chip-nav-link:hover {
            background: var(--brand-blue-light);
            color: var(--brand-blue);
            border-color: rgba(15, 76, 129, 0.15);
        }

        .chip-nav-link i {
            font-size: 0.75rem;
        }

        /* ========== 底部固定转化条 ========== */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-color);
            box-shadow: 0 -6px 28px rgba(15, 76, 129, 0.10);
            padding: 10px 16px;
            display: none;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .floating-cta-bar.show {
            transform: translateY(0);
        }

        .floating-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .floating-cta-text {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .floating-cta-text small {
            display: block;
            font-weight: 400;
            color: var(--text-muted);
            font-size: 0.78rem;
        }

        .btn-floating-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 700;
            background: var(--brand-blue);
            color: #fff;
            border: none;
            transition: var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .btn-floating-cta:hover {
            background: var(--brand-blue-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(15, 76, 129, 0.3);
        }

        /* ========== Buttons ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--brand-blue);
            color: #fff;
            border: none;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-brand:hover {
            background: var(--brand-blue-dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(15, 76, 129, 0.3);
            transform: translateY(-2px);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(15, 76, 129, 0.2);
        }

        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 700;
            background: transparent;
            color: var(--brand-blue);
            border: 2px solid var(--brand-blue);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-brand:hover {
            background: var(--brand-blue-light);
            color: var(--brand-blue-dark);
            border-color: var(--brand-blue-dark);
            transform: translateY(-2px);
        }

        .btn-lg-brand {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        .btn-sm-brand {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0a3559 0%, #0f4c81 45%, #1e6bb8 100%);
            border-radius: 0 0 32px 32px;
            overflow: hidden;
            margin-bottom: 0;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 1;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(10, 53, 89, 0.55) 0%, rgba(10, 53, 89, 0.35) 50%, rgba(10, 53, 89, 0.65) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 72px 0 56px;
            color: #fff;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .hero-title {
            font-size: clamp(1.9rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            color: #fff;
            letter-spacing: 0.01em;
        }

        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            max-width: 660px;
            margin-bottom: 26px;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .hero-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 32px;
            border-radius: 100px;
            font-size: 1rem;
            font-weight: 700;
            background: #fff;
            color: var(--brand-blue-dark);
            border: none;
            transition: var(--transition-base);
        }

        .hero-cta-primary:hover {
            background: rgba(255, 255, 255, 0.9);
            color: var(--brand-blue);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .hero-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 28px;
            border-radius: 100px;
            font-size: 1rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: var(--transition-base);
        }

        .hero-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
            transform: translateY(-3px);
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
            padding-top: 8px;
        }

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

        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.72);
            font-weight: 500;
        }

        /* 竖屏种草卡片组 - 在hero底部的浮层 */
        .hero-float-cards {
            position: relative;
            z-index: 3;
            margin-top: -18px;
            padding-bottom: 24px;
        }

        .hero-float-row {
            display: flex;
            gap: 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 2px 8px;
        }

        .hero-float-row::-webkit-scrollbar {
            display: none;
        }

        .hero-mini-card {
            flex: 0 0 auto;
            width: 185px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
        }

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

        .hero-mini-card-img {
            width: 100%;
            height: 130px;
            object-fit: cover;
            display: block;
        }

        .hero-mini-card-body {
            padding: 12px 14px;
        }

        .hero-mini-card-title {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hero-mini-card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== 板块通用 ========== */
        .section-header {
            margin-bottom: 32px;
        }

        .section-header-center {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header-center .section-desc {
            margin: 0 auto;
        }

        /* ========== 竖屏种草区 ========== */
        .feed-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition-smooth);
            cursor: pointer;
            height: 100%;
            border: 1px solid rgba(226, 232, 240, 0.7);
        }

        .feed-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 76, 129, 0.2);
        }

        .feed-card-img-wrapper {
            position: relative;
            aspect-ratio: 3 / 4;
            overflow: hidden;
        }

        .feed-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.55s ease;
        }

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

        .feed-card-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.45) 100%);
            display: flex;
            align-items: flex-end;
            padding: 14px;
        }

        .feed-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 12px;
            border-radius: 100px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.9);
            color: var(--brand-blue);
            backdrop-filter: blur(4px);
        }

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

        .feed-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .feed-card-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .feed-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px solid var(--border-color);
        }

        .feed-card-author {
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .feed-card-author i {
            color: var(--brand-blue);
            font-size: 0.85rem;
        }

        /* ========== 爆款清单 ========== */
        .hot-list-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition-smooth);
            border: 1px solid rgba(226, 232, 240, 0.7);
            height: 100%;
        }

        .hot-list-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(15, 76, 129, 0.2);
        }

        .hot-list-img-wrapper {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

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

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

        .hot-rank-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: #fff;
            background: var(--brand-blue);
            box-shadow: 0 4px 12px rgba(15, 76, 129, 0.3);
            z-index: 2;
        }

        .hot-rank-badge.rank-1 {
            background: #d4a056;
            box-shadow: 0 4px 14px rgba(212, 160, 86, 0.4);
        }

        .hot-rank-badge.rank-2 {
            background: #718096;
            box-shadow: 0 4px 12px rgba(113, 128, 150, 0.35);
        }

        .hot-rank-badge.rank-3 {
            background: #b07d4f;
            box-shadow: 0 4px 12px rgba(176, 125, 79, 0.35);
        }

        .hot-list-body {
            padding: 16px 18px 14px;
        }

        .hot-list-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 6px;
        }

        .hot-list-desc {
            font-size: 0.83rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .hot-list-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px solid var(--border-color);
        }

        .hot-list-score {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        /* ========== 评价墙 ========== */
        .review-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px 22px;
            border: 1px solid rgba(226, 232, 240, 0.7);
            height: 100%;
            transition: var(--transition-base);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 76, 129, 0.18);
        }

        .review-stars {
            color: var(--accent-gold);
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--brand-blue-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-blue);
            font-weight: 700;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .review-author-info {
            display: flex;
            flex-direction: column;
        }

        .review-author-name {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .review-author-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== 资讯区 ========== */
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(226, 232, 240, 0.6);
            margin-bottom: 10px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .news-list-item:hover {
            background: var(--brand-blue-light);
            border-color: rgba(15, 76, 129, 0.2);
            transform: translateX(4px);
        }

        .news-list-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--brand-blue-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-blue);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

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

        .news-list-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-list-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-side-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, 0.7);
            overflow: hidden;
            margin-bottom: 12px;
            transition: var(--transition-base);
        }

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

        .news-side-img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }

        .news-side-body {
            padding: 12px 14px;
        }

        .news-side-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-side-meta {
            font-size: 0.73rem;
            color: var(--text-muted);
        }

        /* ========== CTA 加购引导区 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-blue-dark) 0%, var(--brand-blue) 60%, #1e6bb8 100%);
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
            padding: 48px 40px;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
        }

        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .cta-btn-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .cta-btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 100px;
            font-size: 0.98rem;
            font-weight: 700;
            background: #fff;
            color: var(--brand-blue-dark);
            border: none;
            transition: var(--transition-base);
        }

        .cta-btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            color: var(--brand-blue);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
        }

        .cta-btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 100px;
            font-size: 0.98rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            transition: var(--transition-base);
        }

        .cta-btn-ghost:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.65);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, 0.7);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 76, 129, 0.18);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            gap: 12px;
            user-select: none;
            transition: var(--transition-base);
        }

        .faq-question:hover {
            color: var(--brand-blue);
        }

        .faq-question i {
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0a3559;
            color: rgba(255, 255, 255, 0.78);
            padding: 48px 0 24px;
            margin-top: 24px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .section-padding {
                padding: 48px 0;
            }
            .hero-content {
                padding: 52px 0 40px;
            }
            .hero-title {
                font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }

            .header-inner {
                min-height: 56px;
                padding: 0 12px;
            }

            .brand-link .brand-name {
                font-size: 0.85rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
                border-radius: 8px;
            }

            .header-nav a.nav-item {
                padding: 7px 12px;
                font-size: 0.82rem;
            }

            .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .chip-nav-inner {
                padding: 0 12px;
                gap: 6px;
            }

            .chip-nav-link {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .hero-section {
                border-radius: 0 0 22px 22px;
            }

            .hero-content {
                padding: 40px 0 32px;
            }

            .hero-title {
                font-size: 1.65rem;
                line-height: 1.3;
            }

            .hero-desc {
                font-size: 0.92rem;
                line-height: 1.75;
            }

            .hero-cta-row {
                gap: 8px;
            }

            .hero-cta-primary,
            .hero-cta-secondary {
                padding: 12px 20px;
                font-size: 0.88rem;
            }

            .hero-stats-row {
                gap: 16px 28px;
            }

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

            .hero-mini-card {
                width: 155px;
            }

            .hero-mini-card-img {
                height: 105px;
            }

            .hero-float-cards {
                margin-top: -12px;
                padding-bottom: 16px;
            }

            .section-padding {
                padding: 36px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .section-desc {
                font-size: 0.9rem;
            }

            .floating-cta-bar {
                display: block;
            }

            body.has-floating-cta {
                padding-bottom: 76px;
            }

            .cta-section {
                padding: 32px 22px;
                border-radius: var(--radius-md);
            }

            .cta-title {
                font-size: 1.4rem;
            }

            .cta-btn-white,
            .cta-btn-ghost {
                padding: 12px 22px;
                font-size: 0.88rem;
            }

            .site-footer {
                padding: 32px 0 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }

            .hero-desc {
                font-size: 0.85rem;
            }

            .hero-badge {
                font-size: 0.72rem;
                padding: 6px 10px;
            }

            .hero-stats-row {
                gap: 12px 20px;
            }

            .hero-stat-value {
                font-size: 1.1rem;
            }

            .hero-stat-label {
                font-size: 0.72rem;
            }

            .hero-mini-card {
                width: 140px;
            }

            .hero-mini-card-img {
                height: 92px;
            }

            .hero-mini-card-title {
                font-size: 0.8rem;
            }

            .section-padding {
                padding: 28px 0;
            }

            .section-title {
                font-size: 1.25rem;
            }

            .review-card {
                padding: 18px 16px;
            }

            .news-list-item {
                padding: 10px 12px;
                gap: 10px;
            }

            .news-list-icon {
                width: 34px;
                height: 34px;
                font-size: 0.78rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.85rem;
            }

            .faq-answer {
                font-size: 0.82rem;
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }

            .btn-brand,
            .btn-outline-brand {
                padding: 11px 20px;
                font-size: 0.85rem;
            }

            .brand-link .brand-name {
                font-size: 0.78rem;
            }

            .header-nav a.nav-item {
                padding: 6px 10px;
                font-size: 0.78rem;
            }

            .btn-header-cta {
                display: none;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}