/* roulang page: index */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }
        a:hover {
            color: var(--bs-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }
        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }
        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }
        .btn-outline-primary {
            background: transparent;
            border: 2px solid var(--bs-primary);
            color: var(--bs-primary);
        }
        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }
        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }
        .card-body {
            padding: 24px;
        }

        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }
        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }
        .badge-hot {
            background: #FEF2F2;
            color: #DC2626;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: default;
        }
        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }
        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }
        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }
        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }
        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }
        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 6px 0;
        }
        .mobile-bottom-nav .nav-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex: 1;
            text-align: center;
            color: var(--bs-text-muted);
            font-size: 11px;
            font-weight: 500;
            padding: 4px 2px;
            transition: color var(--bs-transition);
            text-decoration: none;
            border: none;
            background: none;
            cursor: pointer;
        }
        .mobile-bottom-nav .nav-tab i {
            font-size: 20px;
            margin-bottom: 2px;
            transition: color var(--bs-transition);
        }
        .mobile-bottom-nav .nav-tab.active {
            color: var(--bs-primary);
        }
        .mobile-bottom-nav .nav-tab.active i {
            color: var(--bs-primary);
        }
        .mobile-bottom-nav .nav-tab:hover {
            color: var(--bs-primary);
        }

        @media (max-width: 991.98px) {
            .mobile-bottom-nav {
                display: flex;
            }
            body {
                padding-bottom: 80px;
            }
            .navbar-main .navbar-collapse {
                background: #fff;
                padding: 12px 16px;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            }
            .navbar-main .nav-link {
                padding: 10px 14px;
            }
            .navbar-main .nav-link.active::after {
                display: none;
            }
        }
        @media (min-width: 992px) {
            .mobile-bottom-nav {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            background: linear-gradient(160deg, #F0F4FA 0%, #E8EEF8 30%, #F8FAFC 100%);
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .hero-badge {
            display: inline-block;
            background: #fff;
            color: var(--bs-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            border: 1px solid rgba(26, 86, 219, 0.2);
            margin-bottom: 16px;
        }
        .hero-section h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--bs-body-color);
            margin-bottom: 16px;
        }
        .hero-section .hero-subtitle {
            font-size: 17px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 28px;
        }
        .hero-section .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-perks {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .hero-perk-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--bs-body-color);
            font-weight: 500;
        }
        .hero-perk-item i {
            color: var(--bs-primary);
            font-size: 18px;
        }
        .hero-visual {
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            max-width: 100%;
            border-radius: 16px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
        }
        @media (max-width: 767.98px) {
            .hero-section {
                padding: 40px 0 36px;
            }
            .hero-section h1 {
                font-size: 26px;
            }
            .hero-section .hero-subtitle {
                font-size: 15px;
            }
            .hero-visual {
                min-height: 200px;
                margin-top: 20px;
            }
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 60px 0;
        }
        .section-block.bg-light-alt {
            background: var(--bs-bg-light);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--bs-body-color);
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 32px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--bs-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
        }

        /* ===== 卖点三连 ===== */
        .perk-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            padding: 28px 24px;
            border: 1px solid var(--bs-border-color);
            box-shadow: var(--bs-shadow-card);
            transition: all var(--bs-transition);
            height: 100%;
            text-align: center;
        }
        .perk-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(26, 86, 219, 0.25);
        }
        .perk-card .perk-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--bs-primary);
        }
        .perk-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }
        .perk-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== 片库轨道 / 横向滚动 ===== */
        .track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--bs-border-color) transparent;
        }
        .track-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--bs-border-color);
            border-radius: 10px;
        }
        .track-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            border-radius: var(--bs-radius-card);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--bs-shadow-card);
            transition: all var(--bs-transition);
            cursor: pointer;
            border: 1px solid var(--bs-border-color);
        }
        .track-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-2px);
        }
        .track-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
        }
        .track-card .track-info {
            padding: 14px 16px;
        }
        .track-card .track-info h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--bs-body-color);
        }
        .track-card .track-info span {
            font-size: 12px;
            color: var(--bs-text-muted);
        }
        @media (max-width: 767.98px) {
            .track-card {
                flex: 0 0 210px;
            }
            .track-card img {
                height: 130px;
            }
        }

        /* ===== 热播推荐卡片 ===== */
        .hot-card {
            position: relative;
            border-radius: var(--bs-radius-card);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            transition: all var(--bs-transition);
            height: 100%;
        }
        .hot-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }
        .hot-card .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .hot-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .hot-card .hot-body {
            padding: 16px;
        }
        .hot-card .hot-body h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--bs-body-color);
        }
        .hot-card .hot-body p {
            font-size: 13px;
            color: var(--bs-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ===== 竖屏种草 ===== */
        .vertical-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            overflow: hidden;
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            transition: all var(--bs-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .vertical-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }
        .vertical-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: 0;
        }
        .vertical-card .v-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .vertical-card .v-body h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--bs-body-color);
        }
        .vertical-card .v-body p {
            font-size: 13px;
            color: var(--bs-text-muted);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 12px;
        }
        .vertical-card .v-body .btn {
            align-self: flex-start;
        }

        /* ===== 票种对比 ===== */
        .plan-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            padding: 32px 24px;
            border: 1px solid var(--bs-border-color);
            box-shadow: var(--bs-shadow-card);
            transition: all var(--bs-transition);
            height: 100%;
            text-align: center;
            position: relative;
        }
        .plan-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }
        .plan-card.featured {
            border-color: var(--bs-primary);
            box-shadow: 0 4px 20px rgba(26, 86, 219, 0.15);
            background: #fff;
        }
        .plan-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 12px;
            right: 16px;
            background: var(--bs-primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.04em;
        }
        .plan-card h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }
        .plan-card .plan-price {
            font-size: 38px;
            font-weight: 800;
            color: var(--bs-primary-dark);
            margin-bottom: 16px;
        }
        .plan-card .plan-price small {
            font-size: 14px;
            font-weight: 400;
            color: var(--bs-text-muted);
        }
        .plan-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            text-align: left;
        }
        .plan-card ul li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--bs-text-muted);
            position: relative;
            padding-left: 22px;
        }
        .plan-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--bs-primary);
            font-weight: 700;
        }
        .plan-card ul li.disabled {
            opacity: 0.45;
            text-decoration: line-through;
            text-decoration-color: #ccc;
        }
        .plan-card ul li.disabled::before {
            content: '—';
            color: #ccc;
        }

        /* ===== 深度内容区 ===== */
        .deep-content {
            background: #fff;
            border-radius: var(--bs-radius-card);
            padding: 40px;
            border: 1px solid var(--bs-border-color);
            box-shadow: var(--bs-shadow-card);
        }
        .deep-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--bs-body-color);
        }
        .deep-content h3 {
            font-size: 19px;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--bs-body-color);
        }
        .deep-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--bs-text-muted);
            margin-bottom: 14px;
        }
        .deep-content img {
            margin: 16px 0;
            border-radius: var(--bs-radius-img);
            width: 100%;
            max-height: 380px;
            object-fit: cover;
        }
        @media (max-width: 767.98px) {
            .deep-content {
                padding: 20px 16px;
            }
            .deep-content h2 {
                font-size: 20px;
            }
            .deep-content h3 {
                font-size: 17px;
            }
        }

        /* ===== 新闻列表 ===== */
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--bs-border-color);
            align-items: flex-start;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-date {
            flex: 0 0 90px;
            font-size: 13px;
            color: var(--bs-text-muted);
            font-weight: 500;
            white-space: nowrap;
            padding-top: 2px;
        }
        .news-body {
            flex: 1;
        }
        .news-body h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--bs-body-color);
        }
        .news-body p {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 767.98px) {
            .news-item {
                flex-direction: column;
                gap: 4px;
            }
            .news-date {
                flex: unset;
            }
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 15px;
            color: var(--bs-body-color);
            background: #fff;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--bs-transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(26, 86, 219, 0.2);
        }
        .accordion-custom .accordion-body {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            background: #fff;
        }

        /* ===== CTA条 ===== */
        .cta-strip {
            background: var(--bs-primary);
            padding: 50px 0;
            text-align: center;
            border-radius: 0;
        }
        .cta-strip h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-strip p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-strip .btn-light {
            background: #fff;
            color: var(--bs-primary);
            font-weight: 700;
            border: none;
            padding: 13px 32px;
            border-radius: 10px;
            font-size: 16px;
            transition: all var(--bs-transition);
        }
        .cta-strip .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1f2b;
            color: #c9cdd4;
            padding: 48px 0 24px;
            font-size: 14px;
            line-height: 1.7;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 14px;
        }
        .site-footer a {
            color: #c9cdd4;
            text-decoration: none;
            transition: color var(--bs-transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 32px;
            padding-top: 18px;
            font-size: 12px;
            color: #8a8f98;
            text-align: center;
        }
        .footer-bottom a {
            color: #8a8f98;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding: 32px 0 20px;
            }
        }

        /* ===== 品牌介绍区块 ===== */
        .brand-intro-block {
            background: var(--bs-primary-light);
            border-radius: var(--bs-radius-card);
            padding: 36px 32px;
            border: 1px solid rgba(26, 86, 219, 0.1);
        }
        .brand-intro-block p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--bs-body-color);
            margin-bottom: 10px;
        }
        .brand-intro-block .brand-icon-line {
            width: 40px;
            height: 3px;
            background: var(--bs-primary);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        /* ===== 成功案例 ===== */
        .case-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            padding: 24px;
            border: 1px solid var(--bs-border-color);
            box-shadow: var(--bs-shadow-card);
            transition: all var(--bs-transition);
            height: 100%;
        }
        .case-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }
        .case-card .case-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .case-card h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--bs-body-color);
        }
        .case-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* 响应式补充 */
        @media (max-width: 575.98px) {
            .hero-section h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn-lg {
                padding: 10px 20px;
                font-size: 14px;
            }
            .plan-card {
                padding: 20px 14px;
            }
            .plan-card .plan-price {
                font-size: 28px;
            }
            .track-card {
                flex: 0 0 180px;
            }
            .track-card img {
                height: 110px;
            }
        }

/* roulang page: category3 */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --bs-accent-gold: #F59E0B;
            --bs-accent-red: #EF4444;
            --bs-accent-green: #10B981;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }

        a:hover {
            color: var(--bs-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }

        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .btn-accent {
            background: var(--bs-accent-gold);
            border-color: var(--bs-accent-gold);
            color: #1a1a1a;
            font-weight: 700;
        }

        .btn-accent:hover {
            background: #D97706;
            border-color: #D97706;
            color: #fff;
            transform: translateY(-1px);
        }

        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .badge-hot {
            background: #FEF2F2;
            color: #DC2626;
        }

        .badge-new {
            background: #ECFDF5;
            color: #059669;
        }

        .badge-limited {
            background: #FFFBEB;
            color: #D97706;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        .tag.active-tag {
            background: var(--bs-primary);
            color: #fff;
            border-color: var(--bs-primary-dark);
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }

        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 5px 0 7px;
        }

        .mobile-bottom-nav .bottom-nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            justify-content: space-around;
            align-items: center;
        }

        .mobile-bottom-nav .bottom-nav-item {
            text-align: center;
            flex: 1;
        }

        .mobile-bottom-nav .bottom-nav-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            color: var(--bs-text-muted);
            font-size: 11px;
            font-weight: 500;
            padding: 4px 2px;
            transition: all var(--bs-transition);
            text-decoration: none;
            border-radius: 8px;
        }

        .mobile-bottom-nav .bottom-nav-link i {
            font-size: 18px;
            margin-bottom: 2px;
            transition: all var(--bs-transition);
        }

        .mobile-bottom-nav .bottom-nav-link.active {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
        }

        .mobile-bottom-nav .bottom-nav-link.active i {
            color: var(--bs-primary);
        }

        .mobile-bottom-nav .bottom-nav-link:hover {
            color: var(--bs-primary);
        }

        /* ===== Hero ===== */
        .hero-promo {
            background: linear-gradient(135deg, #0b1e3d 0%, #0d2b56 30%, #0f3460 60%, #0a1a35 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 0 70px;
            color: #fff;
            min-height: 500px;
            display: flex;
            align-items: center;
        }

        .hero-promo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
        }

        .hero-promo::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-promo .container {
            position: relative;
            z-index: 2;
        }

        .hero-promo .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #FFD700;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 215, 0, 0);
            }
        }

        .hero-promo h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .hero-promo h1 span {
            color: #FFD700;
        }

        .hero-promo .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 560px;
            line-height: 1.6;
        }

        .countdown-box {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 14px 18px;
            text-align: center;
            min-width: 70px;
            backdrop-filter: blur(4px);
        }

        .countdown-item .countdown-num {
            font-size: 32px;
            font-weight: 800;
            color: #FFD700;
            line-height: 1;
            display: block;
        }

        .countdown-item .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.05em;
        }

        .subscribe-inline {
            display: flex;
            gap: 10px;
            max-width: 440px;
            flex-wrap: wrap;
        }

        .subscribe-inline input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--bs-radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: all var(--bs-transition);
        }

        .subscribe-inline input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .subscribe-inline input:focus {
            outline: none;
            border-color: #FFD700;
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }

        .subscribe-inline .btn-subscribe {
            background: #FFD700;
            border: none;
            color: #1a1a1a;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--bs-radius-btn);
            cursor: pointer;
            transition: all var(--bs-transition);
            white-space: nowrap;
        }

        .subscribe-inline .btn-subscribe:hover {
            background: #F0C800;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--bs-text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== 筛选标签栏 ===== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 32px;
        }

        .filter-tags .tag {
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--bs-transition);
            user-select: none;
        }

        /* ===== 优惠卡片 ===== */
        .promo-card {
            position: relative;
            border-radius: var(--bs-radius-card);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--bs-border-color);
            box-shadow: var(--bs-shadow-card);
            transition: all var(--bs-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .promo-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-4px);
        }
        .promo-card .promo-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .promo-card .promo-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }
        .promo-card:hover .promo-img-wrap img {
            transform: scale(1.05);
        }
        .promo-card .promo-badge-top {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .promo-card .promo-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .promo-card .promo-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }
        .promo-card .promo-body p {
            font-size: 14px;
            color: var(--bs-text-muted);
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.6;
        }
        .promo-card .promo-meta {
            font-size: 12px;
            color: var(--bs-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 12px;
        }
        .promo-card .promo-meta i {
            color: var(--bs-accent-gold);
        }

        /* ===== 流程步骤 ===== */
        .step-list {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .step-item {
            flex: 1;
            min-width: 180px;
            max-width: 240px;
            text-align: center;
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--bs-radius-card);
            border: 1px solid var(--bs-border-color);
            box-shadow: var(--bs-shadow-card);
            transition: all var(--bs-transition);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }
        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bs-primary);
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--bs-text-muted);
            margin: 0;
        }

        /* ===== VIP专区 ===== */
        .vip-highlight {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            border-radius: var(--bs-radius-card);
            padding: 40px 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .vip-highlight::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .vip-highlight h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .vip-highlight h3 i {
            color: #FFD700;
            margin-right: 8px;
        }
        .vip-highlight p {
            color: rgba(255, 255, 255, 0.8);
            position: relative;
            z-index: 1;
            margin-bottom: 16px;
        }
        .vip-highlight .vip-perks {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        .vip-perk-tag {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: #FFD700;
            font-weight: 500;
        }

        /* ===== FAQ手风琴 ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--bs-transition);
        }
        .accordion-custom .accordion-header button {
            background: #fff;
            color: var(--bs-body-color);
            font-weight: 600;
            font-size: 16px;
            padding: 16px 20px;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--bs-transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            border-radius: 0;
        }
        .accordion-custom .accordion-header button:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: -2px;
            border-radius: 8px;
        }
        .accordion-custom .accordion-header button:not(.collapsed) {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }
        .accordion-custom .accordion-header button i {
            transition: transform 0.3s ease;
            font-size: 14px;
            color: var(--bs-text-muted);
        }
        .accordion-custom .accordion-header button:not(.collapsed) i {
            transform: rotate(180deg);
            color: var(--bs-primary);
        }
        .accordion-custom .accordion-body {
            padding: 16px 20px;
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            background: #fff;
        }

        /* ===== CTA条 ===== */
        .cta-strip {
            background: var(--bs-primary);
            padding: 48px 0;
            text-align: center;
            color: #fff;
        }
        .cta-strip h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-strip p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
            font-size: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1d23;
            color: #c5c9d0;
            padding: 48px 0 20px;
            font-size: 14px;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 14px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 7px;
        }
        .site-footer .footer-links a {
            color: #a0a5ae;
            transition: color var(--bs-transition);
            font-size: 13px;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 28px;
            padding-top: 16px;
            text-align: center;
            font-size: 12px;
            color: #7a7f88;
        }
        .footer-bottom a {
            color: #a0a5ae;
            transition: color var(--bs-transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .mobile-bottom-nav {
                display: block;
            }
            body {
                padding-bottom: 80px;
            }
            .hero-promo {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .hero-promo h1 {
                font-size: 28px;
            }
            .hero-promo .hero-subtitle {
                font-size: 15px;
            }
            .countdown-item {
                padding: 10px 14px;
                min-width: 55px;
            }
            .countdown-item .countdown-num {
                font-size: 24px;
            }
            .countdown-item .countdown-label {
                font-size: 10px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .promo-card .promo-img-wrap {
                height: 150px;
            }
            .vip-highlight {
                padding: 28px 20px;
            }
            .vip-highlight h3 {
                font-size: 20px;
            }
            .step-list {
                gap: 12px;
            }
            .step-item {
                min-width: 140px;
                padding: 16px 12px;
            }
            .subscribe-inline {
                flex-direction: column;
                max-width: 100%;
            }
            .subscribe-inline input {
                min-width: auto;
                width: 100%;
            }
            .cta-strip h2 {
                font-size: 22px;
            }
            .navbar-main .nav-link {
                padding: 10px 12px;
                font-size: 14px;
            }
            .navbar-main .nav-link.active::after {
                left: 8px;
                right: 8px;
            }
        }

        @media (max-width: 575px) {
            .hero-promo h1 {
                font-size: 24px;
            }
            .countdown-box {
                gap: 8px;
            }
            .countdown-item {
                padding: 8px 10px;
                min-width: 48px;
            }
            .countdown-item .countdown-num {
                font-size: 20px;
            }
            .promo-card .promo-img-wrap {
                height: 130px;
            }
            .filter-tags .tag {
                font-size: 12px;
                padding: 6px 12px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .step-item {
                min-width: 120px;
                flex: 0 0 calc(50% - 8px);
                max-width: calc(50% - 8px);
            }
            .vip-perks {
                gap: 8px;
            }
            .vip-perk-tag {
                font-size: 11px;
                padding: 4px 10px;
            }
        }

/* roulang page: category2 */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }

        a:hover {
            color: var(--bs-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }

        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
            color: #fff;
        }

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

        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--bs-primary);
            transform: translateY(-1px);
        }

        /* ===== 卡片 ===== */
        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .card-img-top {
            border-radius: var(--bs-radius-card) var(--bs-radius-card) 0 0;
            object-fit: cover;
            width: 100%;
            height: 200px;
        }

        /* ===== 标签 ===== */
        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .badge-hot {
            background: #FEF2F2;
            color: #DC2626;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: default;
        }

        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }

        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* ===== 移动端底部Tab导航 ===== */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 6px 0 8px;
            justify-content: space-around;
            align-items: center;
        }

        .mobile-bottom-nav .nav-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--bs-text-muted);
            font-size: 11px;
            font-weight: 500;
            gap: 3px;
            padding: 4px 8px;
            border-radius: 8px;
            transition: all var(--bs-transition);
            min-width: 56px;
        }

        .mobile-bottom-nav .nav-tab-item i {
            font-size: 18px;
            transition: color var(--bs-transition);
        }

        .mobile-bottom-nav .nav-tab-item.active {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
        }

        .mobile-bottom-nav .nav-tab-item.active i {
            color: var(--bs-primary);
        }

        .mobile-bottom-nav .nav-tab-item:hover {
            color: var(--bs-primary);
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #0a1f44 0%, #0d2b5e 30%, #0f3460 60%, #0a1f44 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-banner::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: 0.3;
            z-index: 0;
        }

        .hero-banner .hero-overlay {
            position: relative;
            z-index: 1;
            width: 100%;
            padding: 60px 0;
        }

        .hero-banner .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 20px;
        }

        .hero-banner .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }

        .hero-banner .breadcrumb-item.active {
            color: #fff;
            font-size: 14px;
        }

        .hero-banner .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-banner h1 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-banner .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .hero-banner .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-banner .hero-stat-item {
            color: #fff;
            text-align: center;
        }

        .hero-banner .hero-stat-item .stat-number {
            font-size: 32px;
            font-weight: 700;
            line-height: 1;
            display: block;
        }

        .hero-banner .hero-stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 60px 0;
        }

        .section-padding-lg {
            padding: 80px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--bs-text-muted);
            margin-bottom: 32px;
            line-height: 1.6;
        }

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

        .section-header.text-center {
            text-align: center;
        }

        /* ===== 娱乐项目卡片 ===== */
        .ent-card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .ent-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-4px);
        }

        .ent-card .ent-card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
        }

        .ent-card .ent-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .ent-card:hover .ent-card-img-wrap img {
            transform: scale(1.05);
        }

        .ent-card .ent-card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--bs-primary);
            color: #fff;
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
        }

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

        .ent-card .ent-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .ent-card .ent-card-desc {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .ent-card .ent-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--bs-border-color);
            padding-top: 14px;
            margin-top: auto;
        }

        .ent-card .ent-card-rating {
            color: #F59E0B;
            font-size: 13px;
            font-weight: 600;
        }

        .ent-card .ent-card-rating i {
            margin-right: 2px;
        }

        /* ===== 特色亮点区块 ===== */
        .feature-block {
            background: var(--bs-bg-light);
            border-radius: 16px;
            padding: 40px;
            margin-bottom: 24px;
            transition: all var(--bs-transition);
            border: 1px solid transparent;
        }

        .feature-block:hover {
            border-color: var(--bs-primary);
            box-shadow: 0 4px 20px rgba(26, 86, 219, 0.08);
        }

        .feature-block .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--bs-primary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .feature-block h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }

        .feature-block p {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 流程步骤 ===== */
        .step-card {
            text-align: center;
            padding: 28px 20px;
            position: relative;
            background: #fff;
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            transition: all var(--bs-transition);
            height: 100%;
        }

        .step-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }

        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bs-primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            line-height: 1;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }

        .step-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .step-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bs-primary);
            font-size: 20px;
            padding: 0 4px;
        }

        /* ===== 数据统计条 ===== */
        .stats-bar {
            background: var(--bs-primary);
            border-radius: 16px;
            padding: 36px 28px;
            color: #fff;
        }

        .stats-bar .stat-item {
            text-align: center;
            padding: 10px;
        }

        .stats-bar .stat-value {
            font-size: 36px;
            font-weight: 700;
            line-height: 1;
            display: block;
        }

        .stats-bar .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 6px;
        }

        .stats-bar .stat-divider {
            width: 1px;
            background: rgba(255, 255, 255, 0.25);
            align-self: stretch;
            margin: 0 12px;
        }

        /* ===== FAQ手风琴 ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--bs-transition);
        }

        .accordion-custom .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 16px;
            color: var(--bs-body-color);
            background: #fff;
            padding: 16px 20px;
            border-radius: 10px;
            box-shadow: none;
            transition: all var(--bs-transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            border-radius: 10px 10px 0 0;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.2);
            border-color: var(--bs-primary);
            z-index: 2;
        }

        .accordion-custom .accordion-button::after {
            transition: transform 0.25s ease;
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px 20px;
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            background: #fff;
            border-radius: 0 0 10px 10px;
        }

        /* ===== CTA全宽条 ===== */
        .cta-strip {
            background: var(--bs-primary);
            padding: 50px 0;
            text-align: center;
            color: #fff;
            border-radius: 0;
        }

        .cta-strip h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-strip p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1d23;
            color: #c5c9d0;
            padding: 50px 0 0;
            font-size: 14px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer .footer-links a {
            color: #a0a5ae;
            font-size: 13px;
            transition: color var(--bs-transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 36px;
            text-align: center;
            font-size: 12px;
            color: #7a7f88;
        }

        .site-footer .footer-bottom a {
            color: #a0a5ae;
            font-size: 12px;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hero-banner {
                min-height: 340px;
            }
            .hero-banner h1 {
                font-size: 30px;
            }
            .hero-banner .hero-subtitle {
                font-size: 15px;
            }
            .hero-banner .hero-stats {
                gap: 20px;
            }
            .hero-banner .hero-stat-item .stat-number {
                font-size: 24px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-lg {
                padding: 50px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .feature-block {
                padding: 28px;
            }
            .stats-bar .stat-value {
                font-size: 26px;
            }
            .stats-bar .stat-divider {
                display: none;
            }
            .stats-bar .stat-item {
                padding: 12px 8px;
            }
            .cta-strip h2 {
                font-size: 24px;
            }
            .step-connector {
                display: none;
            }
            .mobile-bottom-nav {
                display: flex;
            }
            body {
                padding-bottom: 80px;
            }
            .navbar-main .navbar-collapse {
                background: #fff;
                padding: 12px 16px;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            }
            .navbar-main .nav-link {
                padding: 10px 14px;
            }
            .navbar-main .nav-link.active::after {
                display: none;
            }
            .navbar-main .nav-link.active {
                background: var(--bs-primary-light);
                border-radius: 6px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-banner {
                min-height: 300px;
            }
            .hero-banner h1 {
                font-size: 26px;
            }
            .hero-banner .hero-subtitle {
                font-size: 14px;
            }
            .hero-banner .hero-stats {
                gap: 14px;
            }
            .hero-banner .hero-stat-item .stat-number {
                font-size: 20px;
            }
            .hero-banner .hero-stat-item .stat-label {
                font-size: 11px;
            }
            .section-padding {
                padding: 32px 0;
            }
            .section-padding-lg {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .card-img-top {
                height: 160px;
            }
            .ent-card .ent-card-img-wrap {
                height: 160px;
            }
            .feature-block {
                padding: 20px;
                border-radius: 12px;
            }
            .feature-block .feature-icon {
                width: 44px;
                height: 44px;
                font-size: 20px;
                border-radius: 10px;
            }
            .stats-bar {
                padding: 24px 16px;
                border-radius: 12px;
            }
            .stats-bar .stat-value {
                font-size: 22px;
            }
            .step-card {
                padding: 20px 14px;
            }
            .step-card .step-number {
                width: 40px;
                height: 40px;
                font-size: 17px;
            }
            .cta-strip {
                padding: 36px 0;
            }
            .cta-strip h2 {
                font-size: 21px;
            }
            .cta-strip p {
                font-size: 14px;
            }
            .accordion-custom .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }
            .site-footer {
                padding: 36px 0 0;
            }
            .site-footer h5 {
                font-size: 14px;
                margin-bottom: 10px;
            }
            .mobile-bottom-nav .nav-tab-item {
                font-size: 10px;
                min-width: 48px;
                padding: 3px 5px;
            }
            .mobile-bottom-nav .nav-tab-item i {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                min-height: 260px;
            }
            .hero-banner h1 {
                font-size: 22px;
            }
            .hero-banner .hero-subtitle {
                font-size: 13px;
            }
            .hero-banner .hero-stats {
                gap: 10px;
            }
            .hero-banner .hero-stat-item .stat-number {
                font-size: 18px;
            }
            .hero-banner .hero-overlay {
                padding: 40px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .card-img-top {
                height: 140px;
            }
            .ent-card .ent-card-img-wrap {
                height: 140px;
            }
            .ent-card .ent-card-body {
                padding: 14px;
            }
            .ent-card .ent-card-title {
                font-size: 16px;
            }
            .stats-bar {
                padding: 18px 10px;
            }
            .stats-bar .stat-value {
                font-size: 18px;
            }
            .stats-bar .stat-label {
                font-size: 11px;
            }
            .mobile-bottom-nav .nav-tab-item {
                font-size: 9px;
                min-width: 40px;
                padding: 2px 4px;
                gap: 2px;
            }
            .mobile-bottom-nav .nav-tab-item i {
                font-size: 15px;
            }
            body {
                padding-bottom: 72px;
            }
        }

/* roulang page: category1 */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }

        a:hover {
            color: var(--bs-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }

        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .btn-white {
            background: #fff;
            border-color: #fff;
            color: var(--bs-primary);
            font-weight: 700;
        }

        .btn-white:hover {
            background: #f0f4fa;
            border-color: #f0f4fa;
            color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }

        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .badge-hot {
            background: #FEF2F2;
            color: #DC2626;
        }

        .badge-gold {
            background: #FFF7ED;
            color: #EA580C;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: default;
        }

        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }

        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* ===== 移动端底部Tab导航 ===== */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 6px 0 env(safe-area-inset-bottom, 0);
        }

        .mobile-bottom-nav .nav-list {
            display: flex;
            justify-content: space-around;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-bottom-nav .nav-item {
            text-align: center;
            flex: 1;
            min-width: 0;
        }

        .mobile-bottom-nav .nav-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 5px 4px;
            color: var(--bs-text-muted);
            font-size: 11px;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--bs-transition);
            border-radius: 10px;
            margin: 0 2px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .mobile-bottom-nav .nav-link i {
            font-size: 20px;
            margin-bottom: 2px;
            transition: all var(--bs-transition);
        }

        .mobile-bottom-nav .nav-link.active {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
            font-weight: 700;
        }

        .mobile-bottom-nav .nav-link.active i {
            color: var(--bs-primary);
        }

        .mobile-bottom-nav .nav-link:hover {
            color: var(--bs-primary);
        }

        @media (max-width: 991.98px) {
            .mobile-bottom-nav {
                display: block;
            }
            body {
                padding-bottom: 80px;
            }
        }

        @media (min-width: 992px) {
            .mobile-bottom-nav {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }

        /* ===== Hero优惠券墙 ===== */
        .hero-coupon-wall {
            background: linear-gradient(160deg, #f0f4fa 0%, #e8eef7 30%, #dce5f3 60%, #f0f4fa 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-coupon-wall::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-coupon-wall::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-coupon-wall .hero-badge {
            display: inline-block;
            background: var(--bs-primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .hero-coupon-wall h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--bs-body-color);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .hero-coupon-wall .hero-subtitle {
            font-size: 17px;
            color: var(--bs-text-muted);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 600px;
        }

        .coupon-main-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
            border: 2px solid var(--bs-primary);
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .coupon-main-card:hover {
            box-shadow: 0 12px 36px rgba(26, 86, 219, 0.2);
            transform: translateY(-4px);
        }

        .coupon-main-card .coupon-ribbon {
            position: absolute;
            top: 20px;
            right: -32px;
            background: #DC2626;
            color: #fff;
            padding: 6px 40px;
            font-size: 12px;
            font-weight: 700;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .coupon-main-card .coupon-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--bs-primary);
            margin-bottom: 14px;
        }

        .coupon-main-card .coupon-value {
            font-size: 42px;
            font-weight: 800;
            color: var(--bs-primary-dark);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .coupon-main-card .coupon-desc {
            font-size: 15px;
            color: var(--bs-text-muted);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .coupon-side-card {
            background: #fff;
            border-radius: 14px;
            padding: 20px 22px;
            box-shadow: 0 3px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid var(--bs-border-color);
            transition: all 0.3s ease;
            cursor: pointer;
            height: 100%;
        }

        .coupon-side-card:hover {
            box-shadow: 0 8px 22px rgba(26, 86, 219, 0.14);
            transform: translateY(-2px);
            border-color: var(--bs-primary);
        }

        .coupon-side-card .side-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #FFF7ED;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #EA580C;
            margin-bottom: 10px;
        }

        .coupon-side-card .side-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 4px;
        }

        .coupon-side-card .side-desc {
            font-size: 13px;
            color: var(--bs-text-muted);
            line-height: 1.4;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 56px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--bs-body-color);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--bs-text-muted);
            line-height: 1.6;
            margin-bottom: 32px;
        }

        .section-divider {
            width: 48px;
            height: 3px;
            background: var(--bs-primary);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        /* ===== 赛事覆盖卡片 ===== */
        .sport-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            padding: 28px 24px;
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            transition: all var(--bs-transition);
            text-align: center;
            height: 100%;
        }

        .sport-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--bs-primary);
        }

        .sport-card .sport-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--bs-primary);
            margin: 0 auto 16px;
            transition: all var(--bs-transition);
        }

        .sport-card:hover .sport-icon {
            background: var(--bs-primary);
            color: #fff;
        }

        .sport-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }

        .sport-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 优势列表 ===== */
        .advantage-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--bs-border-color);
            transition: all var(--bs-transition);
        }

        .advantage-list-item:last-child {
            border-bottom: none;
        }

        .advantage-list-item .adv-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--bs-primary);
            flex-shrink: 0;
            transition: all var(--bs-transition);
        }

        .advantage-list-item:hover .adv-icon {
            background: var(--bs-primary);
            color: #fff;
        }

        .advantage-list-item .adv-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--bs-body-color);
        }

        .advantage-list-item .adv-content p {
            font-size: 14px;
            color: var(--bs-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== 统计数字 ===== */
        .stat-block {
            text-align: center;
            padding: 24px 16px;
        }

        .stat-block .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--bs-primary-dark);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .stat-block .stat-label {
            font-size: 14px;
            color: var(--bs-text-muted);
            font-weight: 500;
        }

        /* ===== 流程步骤 ===== */
        .step-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            padding: 28px 24px;
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            position: relative;
            text-align: center;
            transition: all var(--bs-transition);
            height: 100%;
        }

        .step-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }

        .step-card .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bs-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto 14px;
            letter-spacing: 0.03em;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }

        .step-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== FAQ手风琴 ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--bs-shadow-card);
            transition: all var(--bs-transition);
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--bs-shadow-card-hover);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 16px;
            color: var(--bs-body-color);
            background: #fff;
            padding: 18px 22px;
            border-radius: 8px;
            transition: all var(--bs-transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.2);
            border-color: var(--bs-primary);
        }

        .faq-accordion .accordion-body {
            padding: 18px 22px;
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            background: #fff;
        }

        /* ===== CTA全宽 ===== */
        .cta-full {
            background: var(--bs-primary);
            padding: 48px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-full::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-full::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-full h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
        }

        .cta-full p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-full .btn {
            position: relative;
            z-index: 1;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1f2b;
            color: #c5c9d2;
            padding: 48px 0 0;
            font-size: 14px;
        }

        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer .footer-links a {
            color: #a0a5ae;
            transition: color var(--bs-transition);
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 36px;
            text-align: center;
            font-size: 12px;
            color: #7a7f88;
        }

        .footer-bottom a {
            color: #a0a5ae;
            transition: color var(--bs-transition);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hero-coupon-wall {
                padding: 40px 0 36px;
            }

            .hero-coupon-wall h1 {
                font-size: 26px;
            }

            .hero-coupon-wall .hero-subtitle {
                font-size: 15px;
            }

            .coupon-main-card {
                padding: 22px 20px;
                margin-bottom: 16px;
            }

            .coupon-main-card .coupon-value {
                font-size: 32px;
            }

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

            .section-title {
                font-size: 22px;
            }

            .stat-block .stat-number {
                font-size: 30px;
            }

            .cta-full h2 {
                font-size: 22px;
            }

            .navbar-main .navbar-collapse {
                background: #fff;
                padding: 12px 16px;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            }

            .navbar-main .nav-link {
                padding: 12px 14px;
            }

            .navbar-main .nav-link.active::after {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .hero-coupon-wall h1 {
                font-size: 22px;
            }

            .hero-coupon-wall .hero-subtitle {
                font-size: 14px;
            }

            .coupon-main-card .coupon-value {
                font-size: 28px;
            }

            .coupon-side-card {
                padding: 16px;
            }

            .coupon-side-card .side-value {
                font-size: 18px;
            }

            .section-title {
                font-size: 20px;
            }

            .section-subtitle {
                font-size: 14px;
            }

            .sport-card {
                padding: 20px 16px;
            }

            .sport-card h3 {
                font-size: 16px;
            }

            .stat-block .stat-number {
                font-size: 26px;
            }

            .step-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-coupon-wall {
                padding: 28px 0 24px;
            }

            .hero-coupon-wall h1 {
                font-size: 20px;
            }

            .coupon-main-card {
                padding: 18px 16px;
            }

            .coupon-main-card .coupon-value {
                font-size: 24px;
            }

            .coupon-main-card .coupon-ribbon {
                font-size: 10px;
                padding: 4px 30px;
                right: -28px;
                top: 14px;
            }

            .mobile-bottom-nav .nav-link {
                font-size: 10px;
                padding: 4px 2px;
            }

            .mobile-bottom-nav .nav-link i {
                font-size: 17px;
            }
        }

/* roulang page: category5 */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }

        a:hover {
            color: var(--bs-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }

        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .badge-safe {
            background: #ECFDF5;
            color: #059669;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: default;
        }

        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }

        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 6px 0 8px;
            justify-content: space-around;
            align-items: center;
        }

        .mobile-bottom-nav .nav-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            color: var(--bs-text-muted);
            font-size: 11px;
            font-weight: 500;
            text-decoration: none;
            transition: color var(--bs-transition);
            gap: 3px;
            min-width: 56px;
            text-align: center;
        }

        .mobile-bottom-nav .nav-tab-item i {
            font-size: 20px;
            transition: color var(--bs-transition);
        }

        .mobile-bottom-nav .nav-tab-item.active {
            color: var(--bs-primary);
        }

        .mobile-bottom-nav .nav-tab-item.active i {
            color: var(--bs-primary);
        }

        .mobile-bottom-nav .nav-tab-item:hover {
            color: var(--bs-primary-dark);
        }

        /* ===== 页面顶部横幅 ===== */
        .page-hero {
            background: linear-gradient(160deg, #F0F4FA 0%, #E8EEF9 40%, #F8FAFC 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(26, 86, 219, 0.04);
            pointer-events: none;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: #ECFDF5;
            color: #059669;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--bs-primary-dark);
            margin-bottom: 14px;
        }

        .page-hero .hero-subtitle {
            font-size: 17px;
            color: var(--bs-text-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ===== 安全概览卡片 ===== */
        .safety-overview-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--bs-border-color);
            transition: all var(--bs-transition);
            height: 100%;
        }

        .safety-overview-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
        }

        .safety-overview-card .safety-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            color: var(--bs-primary);
        }

        .safety-overview-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 8px;
        }

        .safety-overview-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 安全措施详情区 ===== */
        .safety-detail-block {
            background: #fff;
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            padding: 32px 28px;
            margin-bottom: 24px;
            transition: all var(--bs-transition);
        }

        .safety-detail-block:hover {
            box-shadow: var(--bs-shadow-card-hover);
        }

        .safety-detail-block .detail-icon {
            font-size: 32px;
            color: var(--bs-primary);
            margin-bottom: 12px;
        }

        .safety-detail-block h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 10px;
        }

        .safety-detail-block p {
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .safety-detail-block ul {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }

        .safety-detail-block ul li {
            padding: 6px 0 6px 22px;
            position: relative;
            font-size: 14px;
            color: var(--bs-body-color);
            line-height: 1.6;
        }

        .safety-detail-block ul li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 6px;
            color: #059669;
            font-size: 14px;
        }

        /* ===== 安全提示卡片 ===== */
        .tip-card {
            background: #FFFBEB;
            border-left: 4px solid #F59E0B;
            border-radius: 0 var(--bs-radius-card) var(--bs-radius-card) 0;
            padding: 20px 24px;
            margin-bottom: 16px;
        }

        .tip-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: #92400E;
            margin-bottom: 6px;
        }

        .tip-card p {
            font-size: 14px;
            color: #78350F;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 认证标志区 ===== */
        .cert-strip {
            background: var(--bs-bg-light);
            border-radius: var(--bs-radius-card);
            padding: 32px 20px;
            text-align: center;
        }

        .cert-strip .cert-item {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            margin: 0 24px;
            color: var(--bs-body-color);
            font-size: 14px;
            font-weight: 600;
        }

        .cert-strip .cert-item i {
            font-size: 40px;
            color: var(--bs-primary);
            margin-bottom: 8px;
        }

        /* ===== FAQ手风琴 ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 16px;
            color: var(--bs-body-color);
            background: #fff;
            padding: 16px 20px;
            border-radius: 8px;
            box-shadow: none;
            transition: all var(--bs-transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bs-primary-light);
            color: var(--bs-primary-dark);
            border-radius: 8px 8px 0 0;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.2);
            border-color: var(--bs-primary);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px;
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            background: #fff;
        }

        /* ===== CTA条 ===== */
        .cta-strip {
            background: var(--bs-primary);
            border-radius: var(--bs-radius-card);
            padding: 40px 32px;
            text-align: center;
            color: #fff;
        }

        .cta-strip h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-strip p {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 20px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-strip .btn-white {
            background: #fff;
            color: var(--bs-primary);
            border: none;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
        }

        .cta-strip .btn-white:hover {
            background: #E8EEF9;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1A1D23;
            color: #c5c9d0;
            padding: 50px 0 0;
            margin-top: 60px;
        }

        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-links li a {
            color: #a0a5ae;
            font-size: 13px;
            transition: color var(--bs-transition);
        }

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

        .footer-bottom {
            border-top: 1px solid #2a2d35;
            padding: 20px 0;
            margin-top: 36px;
            text-align: center;
            font-size: 12px;
            color: #7a7f87;
        }

        .footer-bottom a {
            color: #a0a5ae;
            font-size: 12px;
            transition: color var(--bs-transition);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .page-hero {
                padding: 40px 0 32px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .hero-subtitle {
                font-size: 15px;
            }

            .safety-detail-block {
                padding: 24px 18px;
            }

            .safety-detail-block h3 {
                font-size: 18px;
            }

            .cert-strip .cert-item {
                margin: 12px 16px;
            }

            .cta-strip {
                padding: 28px 20px;
            }

            .cta-strip h2 {
                font-size: 22px;
            }

            .mobile-bottom-nav {
                display: flex;
            }

            body {
                padding-bottom: 80px;
            }

            .navbar-main .nav-link {
                padding: 12px 10px;
                font-size: 14px;
            }
        }

        @media (max-width: 767px) {
            .page-hero h1 {
                font-size: 22px;
            }

            .page-hero .hero-subtitle {
                font-size: 14px;
            }

            .safety-overview-card {
                padding: 20px 16px;
            }

            .safety-overview-card .safety-icon {
                width: 48px;
                height: 48px;
                font-size: 22px;
            }

            .safety-overview-card h3 {
                font-size: 16px;
            }

            .safety-detail-block {
                padding: 20px 14px;
            }

            .safety-detail-block h3 {
                font-size: 17px;
            }

            .safety-detail-block p {
                font-size: 14px;
            }

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

            .accordion-custom .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }

            .site-footer {
                padding: 36px 0 0;
            }

            .site-footer h5 {
                font-size: 14px;
            }

            .cert-strip .cert-item {
                margin: 10px 12px;
                font-size: 12px;
            }

            .cert-strip .cert-item i {
                font-size: 30px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 20px;
                line-height: 1.3;
            }

            .page-hero {
                padding: 28px 0 24px;
            }

            .safety-overview-card {
                margin-bottom: 12px;
            }

            .cta-strip h2 {
                font-size: 19px;
            }

            .cta-strip p {
                font-size: 14px;
            }

            .mobile-bottom-nav .nav-tab-item {
                font-size: 10px;
                min-width: 44px;
            }

            .mobile-bottom-nav .nav-tab-item i {
                font-size: 17px;
            }
        }

/* roulang page: category4 */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }

        a:hover {
            color: var(--bs-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }

        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .btn-white {
            background: #fff;
            border-color: #fff;
            color: var(--bs-primary);
            font-weight: 700;
        }

        .btn-white:hover {
            background: var(--bs-primary-light);
            border-color: var(--bs-primary-light);
            color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }

        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .badge-gold {
            background: #FFF7E6;
            color: #D4A017;
        }

        .badge-diamond {
            background: #F0F4FF;
            color: #1A56DB;
            border: 1px solid #1A56DB;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: default;
        }

        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }

        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 6px 0;
        }

        .mobile-bottom-nav .nav-tabs-mobile {
            display: flex;
            justify-content: space-around;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-bottom-nav .nav-tabs-mobile li {
            flex: 1;
            text-align: center;
        }

        .mobile-bottom-nav .nav-tabs-mobile a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--bs-text-muted);
            font-size: 11px;
            font-weight: 500;
            padding: 4px 0;
            transition: color var(--bs-transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .mobile-bottom-nav .nav-tabs-mobile a i {
            font-size: 20px;
            margin-bottom: 2px;
            transition: color var(--bs-transition);
        }

        .mobile-bottom-nav .nav-tabs-mobile a.active {
            color: var(--bs-primary);
        }

        .mobile-bottom-nav .nav-tabs-mobile a.active i {
            color: var(--bs-primary);
        }

        .mobile-bottom-nav .nav-tabs-mobile a:hover {
            color: var(--bs-primary);
        }

        /* ===== 板块通用 ===== */
        .section-py {
            padding: 60px 0;
        }

        .section-py-lg {
            padding: 80px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--bs-body-color);
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--bs-text-muted);
            margin-bottom: 32px;
            line-height: 1.6;
        }

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

        .bg-primary-section {
            background: var(--bs-primary);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #F0F4FA 0%, #E8EEF8 40%, #DFE8F5 100%);
            padding: 70px 0 60px;
            overflow: hidden;
        }

        .hero-section .hero-badge {
            display: inline-block;
            background: var(--bs-primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .hero-section h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--bs-body-color);
            margin-bottom: 14px;
        }

        .hero-section .hero-desc {
            font-size: 17px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-section .hero-kpi {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .hero-section .hero-kpi-item {
            text-align: left;
        }

        .hero-section .hero-kpi-item .kpi-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--bs-primary-dark);
            line-height: 1;
        }

        .hero-section .hero-kpi-item .kpi-label {
            font-size: 13px;
            color: var(--bs-text-muted);
            margin-top: 4px;
        }

        .hero-section .hero-image-wrap {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(26, 86, 219, 0.18);
            transform: rotate(-1deg);
            transition: transform var(--bs-transition);
        }

        .hero-section .hero-image-wrap:hover {
            transform: rotate(0deg) scale(1.01);
        }

        .hero-section .hero-image-wrap img {
            border-radius: 16px;
            width: 100%;
            height: auto;
            display: block;
        }

        /* ===== 会员等级卡片 ===== */
        .tier-card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
            text-align: center;
            padding: 32px 20px 28px;
            position: relative;
        }

        .tier-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-4px);
        }

        .tier-card.featured {
            border: 2px solid var(--bs-primary);
            box-shadow: 0 4px 20px rgba(26, 86, 219, 0.15);
            transform: scale(1.03);
            z-index: 2;
            position: relative;
        }

        .tier-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
            box-shadow: 0 10px 30px rgba(26, 86, 219, 0.22);
        }

        .tier-card .tier-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 28px;
        }

        .tier-card .tier-icon.silver {
            background: #F5F5F5;
            color: #8C8C8C;
        }

        .tier-card .tier-icon.gold {
            background: #FFF7E6;
            color: #D4A017;
        }

        .tier-card .tier-icon.diamond {
            background: #F0F4FF;
            color: #1A56DB;
        }

        .tier-card .tier-icon.platinum {
            background: #1A1A2E;
            color: #E0E0FF;
        }

        .tier-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--bs-body-color);
        }

        .tier-card .tier-condition {
            font-size: 13px;
            color: var(--bs-text-muted);
            margin-bottom: 12px;
        }

        .tier-card .tier-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            text-align: left;
        }

        .tier-card .tier-benefits li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--bs-body-color);
            border-bottom: 1px dashed var(--bs-border-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-card .tier-benefits li i {
            color: var(--bs-primary);
            font-size: 13px;
            flex-shrink: 0;
        }

        .tier-card .tier-benefits li:last-child {
            border-bottom: none;
        }

        /* ===== 权益亮点 ===== */
        .benefit-card {
            border-radius: var(--bs-radius-card);
            background: #fff;
            border: 1px solid var(--bs-border-color);
            box-shadow: var(--bs-shadow-card);
            padding: 24px;
            transition: all var(--bs-transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

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

        .benefit-card .benefit-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 22px;
            color: var(--bs-primary);
        }

        .benefit-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--bs-body-color);
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 积分说明 ===== */
        .points-table-wrap {
            border-radius: var(--bs-radius-card);
            overflow: hidden;
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
        }

        .points-table-wrap table {
            margin: 0;
            font-size: 15px;
        }

        .points-table-wrap thead {
            background: var(--bs-primary);
            color: #fff;
        }

        .points-table-wrap thead th {
            font-weight: 600;
            padding: 14px 16px;
            border: none;
            font-size: 14px;
            letter-spacing: 0.02em;
        }

        .points-table-wrap tbody td {
            padding: 12px 16px;
            border-color: var(--bs-border-color);
            vertical-align: middle;
        }

        .points-table-wrap tbody tr:hover {
            background: var(--bs-primary-light);
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--bs-transition);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 16px;
            color: var(--bs-body-color);
            background: #fff;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--bs-transition);
            border-radius: 8px;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
            border-radius: 8px 8px 0 0;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.2);
            border-color: var(--bs-primary);
        }

        .accordion-custom .accordion-button::after {
            transition: transform var(--bs-transition);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px 20px;
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            background: #fff;
            border-radius: 0 0 8px 8px;
        }

        /* ===== CTA 条 ===== */
        .cta-strip {
            background: var(--bs-primary);
            color: #fff;
            padding: 50px 0;
            text-align: center;
            border-radius: 0;
        }

        .cta-strip h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-strip p {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 20px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1F2937;
            color: #cbd5e1;
            padding: 50px 0 0;
            font-size: 14px;
        }

        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer .footer-links a {
            color: #a0a5ae;
            font-size: 13px;
            transition: color var(--bs-transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid #374151;
            padding: 18px 0;
            margin-top: 36px;
            text-align: center;
            font-size: 12px;
            color: #a0a5ae;
        }

        .site-footer .footer-bottom a {
            color: #a0a5ae;
            transition: color var(--bs-transition);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hero-section {
                padding: 50px 0 40px;
            }
            .hero-section h1 {
                font-size: 28px;
            }
            .hero-section .hero-desc {
                font-size: 15px;
                max-width: 100%;
            }
            .hero-section .hero-image-wrap {
                margin-top: 24px;
                transform: rotate(0);
            }
            .hero-section .hero-kpi {
                gap: 18px;
            }
            .hero-section .hero-kpi-item .kpi-number {
                font-size: 26px;
            }
            .section-title {
                font-size: 24px;
            }
            .tier-card.featured {
                transform: scale(1);
            }
            .tier-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .section-py {
                padding: 40px 0;
            }
            .section-py-lg {
                padding: 50px 0;
            }
            .benefit-card {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .benefit-card .benefit-icon-circle {
                margin-bottom: 8px;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-bottom: 80px;
            }
            .mobile-bottom-nav {
                display: block;
            }
            .hero-section {
                padding: 36px 0 32px;
            }
            .hero-section h1 {
                font-size: 24px;
            }
            .hero-section .hero-badge {
                font-size: 12px;
                padding: 4px 12px;
            }
            .hero-section .hero-desc {
                font-size: 14px;
            }
            .hero-section .hero-kpi {
                gap: 14px;
            }
            .hero-section .hero-kpi-item .kpi-number {
                font-size: 22px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 20px;
            }
            .tier-card {
                padding: 24px 16px 20px;
            }
            .tier-card h3 {
                font-size: 18px;
            }
            .tier-card .tier-benefits li {
                font-size: 13px;
            }
            .cta-strip {
                padding: 36px 0;
            }
            .cta-strip h2 {
                font-size: 22px;
            }
            .cta-strip p {
                font-size: 14px;
            }
            .points-table-wrap {
                overflow-x: auto;
            }
            .points-table-wrap table {
                min-width: 600px;
                font-size: 13px;
            }
            .site-footer {
                padding: 36px 0 0;
            }
            .site-footer .footer-bottom {
                padding: 14px 0;
                margin-top: 24px;
            }
            .navbar-main .nav-link {
                padding: 12px 10px;
                font-size: 14px;
            }
            .navbar-main .navbar-brand {
                font-size: 19px;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 21px;
            }
            .hero-section .hero-kpi {
                flex-direction: column;
                gap: 10px;
            }
            .hero-section .hero-kpi-item {
                text-align: center;
            }
            .section-title {
                font-size: 20px;
            }
            .tier-card.featured {
                transform: none;
            }
            .tier-card.featured:hover {
                transform: translateY(-3px);
            }
            .benefit-card {
                padding: 18px;
            }
            .benefit-card h4 {
                font-size: 15px;
            }
        }

/* roulang page: category6 */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }

        a:hover {
            color: var(--bs-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }

        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .badge-success {
            background: #ECFDF5;
            color: #059669;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: default;
        }

        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        /* ===== 导航 ===== */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }

        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 6px 8px;
            justify-content: space-around;
            align-items: center;
        }

        .mobile-bottom-nav .mobile-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 6px 10px;
            border-radius: 10px;
            color: var(--bs-text-muted);
            font-size: 11px;
            font-weight: 500;
            transition: all var(--bs-transition);
            text-decoration: none;
            white-space: nowrap;
            min-width: 56px;
        }

        .mobile-bottom-nav .mobile-tab i {
            font-size: 18px;
            margin-bottom: 2px;
        }

        .mobile-bottom-nav .mobile-tab.active {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
        }

        .mobile-bottom-nav .mobile-tab:hover {
            color: var(--bs-primary);
        }

        /* ===== 板块通用 ===== */
        .section-py {
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--bs-text-muted);
            margin-bottom: 36px;
            line-height: 1.6;
        }

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

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

        /* ===== Hero ===== */
        .hero-category {
            background: linear-gradient(160deg, #F0F4FA 0%, #E8EEF9 40%, #DCE6F7 100%);
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(26, 86, 219, 0.04);
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(26, 86, 219, 0.03);
            pointer-events: none;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-category h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--bs-body-color);
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-category .hero-desc {
            font-size: 17px;
            color: var(--bs-text-muted);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .hero-stat-item {
            text-align: center;
            background: #fff;
            border-radius: 12px;
            padding: 18px 22px;
            box-shadow: var(--bs-shadow-card);
            min-width: 100px;
        }

        .hero-stat-item .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--bs-primary);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: var(--bs-text-muted);
            margin-top: 6px;
        }

        /* ===== 支付方式卡片 ===== */
        .payment-card {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            height: 100%;
            position: relative;
        }

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

        .payment-card .payment-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bs-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 28px;
            color: var(--bs-primary);
            transition: all var(--bs-transition);
        }

        .payment-card:hover .payment-icon {
            background: var(--bs-primary);
            color: #fff;
        }

        .payment-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--bs-body-color);
        }

        .payment-card p {
            font-size: 14px;
            color: var(--bs-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .payment-card .card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            position: relative;
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 24px;
            top: 56px;
            bottom: 0;
            width: 2px;
            background: var(--bs-border-color);
            border-radius: 1px;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bs-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            z-index: 1;
        }

        .step-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--bs-body-color);
        }

        .step-body p {
            font-size: 15px;
            color: var(--bs-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== FAQ手风琴 ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
        }

        .accordion-custom .accordion-header button {
            background: #fff;
            color: var(--bs-body-color);
            font-weight: 600;
            font-size: 16px;
            padding: 16px 20px;
            border-radius: 0;
            box-shadow: none;
            transition: all var(--bs-transition);
        }

        .accordion-custom .accordion-header button:not(.collapsed) {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .accordion-custom .accordion-header button:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.2);
            outline: none;
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px;
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.7;
            background: #fff;
        }

        /* ===== CTA条 ===== */
        .cta-bar {
            background: var(--bs-primary);
            padding: 48px 0;
            text-align: center;
            border-radius: 0;
        }

        .cta-bar h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-bar p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-bar .btn-light {
            background: #fff;
            color: var(--bs-primary);
            border: none;
            font-weight: 700;
            padding: 13px 32px;
            border-radius: 10px;
            font-size: 16px;
            transition: all var(--bs-transition);
        }

        .cta-bar .btn-light:hover {
            background: #e8ecf4;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1d23;
            color: #c5c9d2;
            padding-top: 48px;
            padding-bottom: 24px;
            font-size: 14px;
        }

        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .site-footer a {
            color: #c5c9d2;
            transition: color var(--bs-transition);
        }

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

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

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

        .footer-links li a {
            font-size: 13px;
            color: #a0a5ae;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 32px;
            padding-top: 18px;
            text-align: center;
            font-size: 12px;
            color: #a0a5ae;
        }

        .footer-bottom a {
            color: #a0a5ae;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hero-category {
                padding: 48px 0 36px;
            }
            .hero-category h1 {
                font-size: 28px;
            }
            .hero-category .hero-desc {
                font-size: 15px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item {
                padding: 14px 16px;
                min-width: 80px;
            }
            .hero-stat-item .stat-number {
                font-size: 22px;
            }
            .section-py {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-title {
                font-size: 22px;
            }
            .navbar-main .nav-link {
                padding: 12px 10px;
                font-size: 14px;
            }
            .step-item {
                gap: 14px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            .step-item:not(:last-child)::after {
                left: 20px;
                top: 48px;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-bottom: 80px;
            }
            .mobile-bottom-nav {
                display: flex;
            }
            .hero-category {
                padding: 36px 0 28px;
                text-align: center;
            }
            .hero-category h1 {
                font-size: 24px;
            }
            .hero-category .hero-desc {
                font-size: 14px;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-stats {
                justify-content: center;
                gap: 12px;
            }
            .hero-stat-item {
                padding: 12px 14px;
                min-width: 70px;
            }
            .hero-stat-item .stat-number {
                font-size: 20px;
            }
            .section-py {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .section-title {
                font-size: 20px;
                text-align: center;
            }
            .section-subtitle {
                text-align: center;
                font-size: 14px;
            }
            .payment-card {
                padding: 20px 14px;
            }
            .payment-card h4 {
                font-size: 16px;
            }
            .cta-bar h2 {
                font-size: 22px;
            }
            .cta-bar p {
                font-size: 14px;
            }
            .step-item {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 10px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
            .navbar-main .navbar-brand {
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 21px;
            }
            .hero-stats {
                gap: 8px;
            }
            .hero-stat-item {
                padding: 10px 12px;
                min-width: 60px;
            }
            .hero-stat-item .stat-number {
                font-size: 18px;
            }
            .hero-stat-item .stat-label {
                font-size: 11px;
            }
            .btn-lg {
                padding: 10px 20px;
                font-size: 14px;
            }
            .payment-card .payment-icon {
                width: 48px;
                height: 48px;
                font-size: 22px;
            }
        }

/* roulang page: category7 */
:root {
            --bs-primary: #1A56DB;
            --bs-primary-dark: #083A8C;
            --bs-primary-light: #F0F4FA;
            --bs-body-color: #1F2937;
            --bs-text-muted: #6B7280;
            --bs-border-color: #E5E7EB;
            --bs-bg-light: #F8FAFC;
            --bs-white: #FFFFFF;
            --bs-radius-card: 12px;
            --bs-radius-btn: 8px;
            --bs-radius-input: 6px;
            --bs-radius-img: 8px;
            --bs-shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --bs-shadow-card-hover: 0 8px 24px rgba(26, 86, 219, 0.12);
            --bs-shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --bs-transition: 0.2s ease;
            --bs-font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--bs-font-stack);
            color: var(--bs-body-color);
            background: var(--bs-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
            overflow-x: hidden;
        }

        a {
            color: var(--bs-primary);
            text-decoration: none;
            transition: color var(--bs-transition);
        }

        a:hover {
            color: var(--bs-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--bs-radius-img);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .btn {
            border-radius: var(--bs-radius-btn);
            transition: all var(--bs-transition);
            font-weight: 600;
            padding: 10px 22px;
            font-size: 15px;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.3);
            outline: none;
        }

        .btn-primary {
            background: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--bs-primary-dark);
            border-color: var(--bs-primary-dark);
            transform: translateY(-1px);
            color: #fff;
        }

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

        .btn-outline-primary:hover {
            background: var(--bs-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        .btn-white {
            background: #fff;
            color: var(--bs-primary);
            border: 2px solid #fff;
            font-weight: 700;
        }

        .btn-white:hover {
            background: transparent;
            color: #fff;
            border-color: #fff;
            transform: translateY(-1px);
        }

        .card {
            border-radius: var(--bs-radius-card);
            box-shadow: var(--bs-shadow-card);
            border: 1px solid var(--bs-border-color);
            background: #fff;
            transition: all var(--bs-transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .badge {
            border-radius: 20px;
            padding: 5px 12px;
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            background: var(--bs-primary-light);
            color: var(--bs-primary);
        }

        .badge-hot {
            background: #FEF2F2;
            color: #DC2626;
        }

        .tag {
            display: inline-block;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--bs-transition);
            cursor: pointer;
            margin: 3px;
        }

        .tag:hover {
            background: var(--bs-primary);
            color: #fff;
        }

        /* 导航 */
        .navbar-main {
            background: #fff;
            box-shadow: var(--bs-shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
            min-height: 60px;
        }

        .navbar-main .navbar-brand {
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .navbar-brand:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link {
            color: var(--bs-body-color);
            font-weight: 500;
            font-size: 15px;
            padding: 18px 14px;
            position: relative;
            transition: color var(--bs-transition);
            white-space: nowrap;
        }

        .navbar-main .nav-link:hover {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active {
            color: var(--bs-primary);
        }

        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--bs-primary);
            border-radius: 2px 2px 0 0;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--bs-body-color);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--bs-primary);
            outline-offset: 2px;
        }

        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--bs-border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1060;
            padding: 6px 0;
        }

        .mobile-bottom-nav .nav-row {
            display: flex;
            justify-content: space-around;
            align-items: center;
        }

        .mobile-bottom-nav .nav-item-mob {
            text-align: center;
            font-size: 11px;
            color: var(--bs-text-muted);
            padding: 4px 8px;
            border-radius: 8px;
            transition: all var(--bs-transition);
            text-decoration: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            min-width: 56px;
        }

        .mobile-bottom-nav .nav-item-mob i {
            font-size: 18px;
        }

        .mobile-bottom-nav .nav-item-mob.active {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
            font-weight: 600;
        }

        .mobile-bottom-nav .nav-item-mob:hover {
            color: var(--bs-primary);
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(160deg, #F0F4FA 0%, #E8EEF8 30%, #F8FAFC 70%, #FFFFFF 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-content h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--bs-primary-dark);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .hero-content .hero-subtitle {
            font-size: 17px;
            color: var(--bs-text-muted);
            max-width: 620px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        .search-box-wrapper {
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
        }

        .search-box-wrapper input {
            width: 100%;
            padding: 14px 50px 14px 20px;
            border: 2px solid var(--bs-border-color);
            border-radius: 30px;
            font-size: 15px;
            background: #fff;
            transition: all var(--bs-transition);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .search-box-wrapper input:focus {
            border-color: var(--bs-primary);
            box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.1);
            outline: none;
        }

        .search-box-wrapper .search-icon-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--bs-primary);
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: all var(--bs-transition);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .search-box-wrapper .search-icon-btn:hover {
            background: var(--bs-primary-dark);
        }

        /* 直播预告倒计时卡片 */
        .live-countdown-card {
            display: inline-flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border-radius: 16px;
            padding: 16px 28px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            margin: 0 auto 8px;
            flex-wrap: wrap;
            justify-content: center;
            border: 1px solid var(--bs-border-color);
            position: relative;
            z-index: 2;
        }

        .live-countdown-card .live-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #FEF2F2;
            color: #DC2626;
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 13px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.3);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
            }
        }

        .live-countdown-card .countdown-digits {
            display: flex;
            gap: 6px;
            align-items: center;
            font-weight: 700;
            font-size: 22px;
            color: var(--bs-primary-dark);
        }

        .live-countdown-card .countdown-digits span {
            background: var(--bs-primary-light);
            padding: 4px 10px;
            border-radius: 6px;
            min-width: 38px;
            text-align: center;
            display: inline-block;
        }

        .live-countdown-card .countdown-label {
            font-size: 12px;
            color: var(--bs-text-muted);
            font-weight: 500;
        }

        .subscribe-btn-wrap {
            margin-top: 16px;
            position: relative;
            z-index: 2;
        }

        /* 热门标签区 */
        .hot-tags-section {
            padding: 32px 0 0;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .hot-tags-section .section-label {
            font-size: 14px;
            color: var(--bs-text-muted);
            margin-bottom: 12px;
            font-weight: 500;
        }

        /* 板块通用 */
        .section-py {
            padding: 60px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--bs-body-color);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 15px;
            color: var(--bs-text-muted);
            max-width: 700px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        /* FAQ手风琴 */
        .accordion-custom .accordion-item {
            border: 1px solid var(--bs-border-color);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--bs-transition);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 15px;
            color: var(--bs-body-color);
            background: #fff;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--bs-transition);
            border-radius: 10px;
            letter-spacing: 0.01em;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--bs-primary);
            background: var(--bs-primary-light);
            border-radius: 10px 10px 0 0;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
            border-color: var(--bs-primary);
        }

        .accordion-custom .accordion-button::after {
            transition: transform var(--bs-transition);
        }

        .accordion-custom .accordion-body {
            padding: 18px 20px 22px;
            font-size: 15px;
            color: var(--bs-text-muted);
            line-height: 1.8;
            background: #fff;
        }

        /* 帮助分类卡片 */
        .help-category-card {
            background: #fff;
            border-radius: var(--bs-radius-card);
            padding: 28px 22px;
            border: 1px solid var(--bs-border-color);
            transition: all var(--bs-transition);
            text-align: center;
            height: 100%;
            cursor: pointer;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.03);
        }

        .help-category-card:hover {
            box-shadow: var(--bs-shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--bs-primary);
        }

        .help-category-card .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bs-primary-light);
            color: var(--bs-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            transition: all var(--bs-transition);
        }

        .help-category-card:hover .icon-circle {
            background: var(--bs-primary);
            color: #fff;
            transform: scale(1.05);
        }

        .help-category-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--bs-body-color);
        }

        .help-category-card p {
            font-size: 13px;
            color: var(--bs-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* 联系支持区 */
        .contact-support-section {
            background: var(--bs-primary-light);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
        }

        .contact-support-section h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--bs-primary-dark);
            margin-bottom: 8px;
        }

        .contact-support-section p {
            color: var(--bs-text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .contact-info-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-top: 16px;
        }

        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            padding: 14px 20px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            color: var(--bs-body-color);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: all var(--bs-transition);
        }

        .contact-info-item i {
            color: var(--bs-primary);
            font-size: 18px;
        }

        .contact-info-item:hover {
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
            transform: translateY(-2px);
        }

        /* CTA条 */
        .cta-strip {
            background: var(--bs-primary);
            padding: 48px 0;
            text-align: center;
            color: #fff;
            border-radius: 0;
        }

        .cta-strip h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .cta-strip p {
            font-size: 15px;
            opacity: 0.9;
            margin-bottom: 20px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 页脚 */
        .site-footer {
            background: #1a1f2b;
            color: #c5cad4;
            padding: 50px 0 0;
            font-size: 14px;
        }

        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-links a {
            color: #a0a5ae;
            font-size: 13px;
            transition: color var(--bs-transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: #7a7f88;
        }

        .footer-bottom a {
            color: #a0a5ae;
        }

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

        /* 响应式 */
        @media (max-width: 991.98px) {
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-content .hero-subtitle {
                font-size: 15px;
            }
            .live-countdown-card {
                flex-direction: column;
                gap: 10px;
                padding: 14px 20px;
            }
            .live-countdown-card .countdown-digits {
                font-size: 18px;
            }
            .section-py {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .contact-support-section {
                padding: 28px 20px;
            }
            .help-category-card {
                padding: 20px 16px;
            }
            .navbar-main .nav-link {
                padding: 14px 10px;
                font-size: 14px;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-bottom: 80px;
            }
            .mobile-bottom-nav {
                display: block;
            }
            .hero-section {
                padding: 40px 0 32px;
            }
            .hero-content h1 {
                font-size: 24px;
            }
            .hero-content .hero-subtitle {
                font-size: 14px;
            }
            .search-box-wrapper input {
                padding: 12px 44px 12px 16px;
                font-size: 14px;
            }
            .search-box-wrapper .search-icon-btn {
                width: 34px;
                height: 34px;
                right: 5px;
                font-size: 14px;
            }
            .live-countdown-card {
                padding: 12px 16px;
                gap: 8px;
            }
            .live-countdown-card .countdown-digits {
                font-size: 16px;
            }
            .live-countdown-card .countdown-digits span {
                min-width: 30px;
                padding: 3px 7px;
            }
            .section-py {
                padding: 32px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-desc {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .accordion-custom .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }
            .accordion-custom .accordion-body {
                font-size: 14px;
                padding: 14px 16px 18px;
            }
            .contact-info-row {
                flex-direction: column;
                align-items: center;
            }
            .cta-strip {
                padding: 32px 0;
            }
            .cta-strip h3 {
                font-size: 22px;
            }
            .site-footer {
                padding: 36px 0 0;
            }
            .footer-bottom {
                margin-top: 24px;
                padding: 16px 0;
            }
            .navbar-main .navbar-brand {
                font-size: 19px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 21px;
            }
            .hero-section {
                padding: 28px 0 24px;
            }
            .live-countdown-card {
                padding: 10px 14px;
                border-radius: 12px;
            }
            .live-countdown-card .countdown-digits {
                font-size: 15px;
                gap: 3px;
            }
            .live-countdown-card .countdown-digits span {
                min-width: 26px;
                padding: 2px 5px;
                font-size: 14px;
            }
            .help-category-card {
                padding: 16px 12px;
            }
            .help-category-card h4 {
                font-size: 15px;
            }
            .section-title {
                font-size: 20px;
            }
            .hot-tags-section .tag {
                font-size: 12px;
                padding: 3px 8px;
            }
            .contact-support-section {
                padding: 20px 14px;
                border-radius: 12px;
            }
            .contact-support-section h3 {
                font-size: 19px;
            }
        }