/* roulang page: index */
:root {
            --primary: #F97316;
            --primary-dark: #EA580C;
            --danger: #E11D48;
            --accent: #F59E0B;
            --success: #2F855A;
            --ink: #1B1B1B;
            --ink-light: #6B7280;
            --ink-lighter: #9CA3AF;
            --bg-warm: #FAF7F2;
            --card-bg: #FFFFFF;
            --line: #E8E0D6;
            --line-light: #F0EAE2;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 40px rgba(225, 29, 72, 0.12);
            --shadow-btn: 0 6px 18px rgba(249, 115, 22, 0.28);
            --gradient-brand: linear-gradient(135deg, #F97316 0%, #E11D48 100%);
            --transition-base: 0.2s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-warm);
            color: var(--ink);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--danger);
        }

        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ===== 导航 ===== */
        .main-nav {
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            padding-top: 14px;
            padding-bottom: 14px;
            transition: box-shadow var(--transition-base), background var(--transition-base);
            z-index: 1050;
        }

        .main-nav.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            background: rgba(250, 247, 242, 0.97);
        }

        .navbar-brand {
            font-size: 1.65rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
        }

        .navbar-brand:hover {
            color: var(--ink);
        }

        .main-nav .nav-link {
            color: var(--ink);
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 999px;
            position: relative;
            font-size: 0.95rem;
            transition: color var(--transition-base), background var(--transition-base);
        }

        .main-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(249, 115, 22, 0.08);
        }

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

        .main-nav .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 2px;
            background: var(--gradient-brand);
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 6px 10px;
            border-radius: 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.25);
        }

        .navbar-toggler-icon {
            display: inline-block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            position: relative;
            border-radius: 2px;
            transition: background var(--transition-base);
        }

        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: transform var(--transition-base), top var(--transition-base);
        }

        .navbar-toggler-icon::before {
            top: -7px;
        }

        .navbar-toggler-icon::after {
            top: 7px;
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
            background: transparent;
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
            top: 0;
            transform: rotate(45deg);
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
            top: 0;
            transform: rotate(-45deg);
        }

        @media (max-width: 991.98px) {
            .main-nav .nav-link {
                padding: 10px 18px !important;
                border-radius: 12px;
                margin-top: 4px;
            }

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

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(120deg, rgba(249, 115, 22, 0.92), rgba(225, 29, 72, 0.86)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            color: #fff;
            padding: 100px 0 80px;
            overflow: hidden;
        }

        .hero::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 360px;
            height: 360px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .hero .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 32px;
            color: rgba(255, 255, 255, 0.92);
        }

        .hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 36px;
        }

        .hero .hero-stat {
            display: flex;
            flex-direction: column;
            background: rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            min-width: 118px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero .hero-stat strong {
            font-size: 1.4rem;
            font-weight: 800;
            line-height: 1.3;
        }

        .hero .hero-stat span {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 2px;
        }

        .hero .btn-brand {
            background: #fff;
            color: var(--danger);
            border: none;
            border-radius: 999px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .hero .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
            color: var(--danger);
        }

        .hero .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 999px;
            padding: 10px 26px;
            font-weight: 600;
            transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
        }

        .hero .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        .hero-badge {
            background: rgba(0, 0, 0, 0.25);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.9);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 18px;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        @media (max-width: 767.98px) {
            .hero {
                padding: 64px 0 56px;
            }

            .hero .hero-title {
                font-size: 1.9rem;
            }

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

            .hero .hero-stat {
                min-width: 100px;
                padding: 12px 16px;
            }

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

        /* ===== 板块通用 ===== */
        .section-pad {
            padding: 80px 0;
        }

        .section-pad-sm {
            padding: 56px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: "";
            width: 24px;
            height: 3px;
            background: var(--gradient-brand);
            border-radius: 2px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--ink);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--ink-light);
            max-width: 640px;
            line-height: 1.8;
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding: 56px 0;
            }

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

        /* ===== 关于/KPI ===== */
        .kpi-section {
            background: var(--card-bg);
            border-top: 1px solid var(--line-light);
            border-bottom: 1px solid var(--line-light);
        }

        .kpi-card {
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            border: 1px solid var(--line-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .kpi-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--gradient-brand);
            border-radius: 0 4px 4px 0;
            opacity: 0.7;
        }

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

        .kpi-card .kpi-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .kpi-card .kpi-label {
            font-size: 0.92rem;
            color: var(--ink-light);
            font-weight: 500;
            margin-top: 6px;
        }

        .kpi-card .kpi-meta {
            font-size: 0.82rem;
            color: var(--ink-lighter);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* ===== 热榜 ===== */
        .trending-section {
            background: var(--bg-warm);
        }

        .trending-list {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            border: 1px solid var(--line-light);
        }

        .trending-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--line-light);
            transition: background var(--transition-base), padding-left var(--transition-base);
        }

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

        .trending-item:hover {
            background: rgba(249, 115, 22, 0.03);
            padding-left: 8px;
        }

        .trending-item .rank-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--ink-lighter);
            min-width: 36px;
            text-align: center;
            line-height: 1.6;
        }

        .trending-item:nth-child(1) .rank-num {
            color: var(--primary);
        }

        .trending-item:nth-child(2) .rank-num {
            color: var(--danger);
        }

        .trending-item:nth-child(3) .rank-num {
            color: var(--accent);
        }

        .trending-item .trending-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--ink);
            margin-bottom: 2px;
            line-height: 1.4;
        }

        .trending-item .trending-meta {
            font-size: 0.82rem;
            color: var(--ink-lighter);
        }

        .trending-item .trending-tag {
            font-size: 0.76rem;
            background: rgba(249, 115, 22, 0.1);
            color: var(--primary);
            border-radius: 999px;
            padding: 2px 10px;
            margin-left: 8px;
            font-weight: 500;
        }

        /* ===== 资讯 ===== */
        .news-section {
            background: var(--card-bg);
            border-top: 1px solid var(--line-light);
            border-bottom: 1px solid var(--line-light);
        }

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

        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 20px;
            padding: 16px 0;
            border-bottom: 1px solid var(--line-light);
            transition: background var(--transition-base), padding-left var(--transition-base);
        }

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

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

        .news-item .news-link {
            color: var(--ink);
            font-weight: 500;
            font-size: 1rem;
            line-height: 1.5;
        }

        .news-item .news-link:hover {
            color: var(--primary);
        }

        .news-item .news-date {
            font-size: 0.85rem;
            color: var(--ink-lighter);
            white-space: nowrap;
            font-weight: 400;
        }

        .news-side-card {
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--line-light);
            height: 100%;
        }

        .news-side-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--ink);
            position: relative;
            padding-bottom: 10px;
        }

        .news-side-card h5::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--gradient-brand);
            border-radius: 2px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            background: rgba(249, 115, 22, 0.08);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
        }

        .tag-cloud .tag:hover {
            background: var(--gradient-brand);
            color: #fff;
            transform: translateY(-2px);
        }

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

        .side-links li {
            margin-bottom: 10px;
        }

        .side-links a {
            color: var(--ink-light);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-links a i {
            color: var(--primary);
            font-size: 0.7rem;
        }

        .side-links a:hover {
            color: var(--primary);
        }

        /* ===== 服务/栏目 ===== */
        .service-section {
            background: var(--bg-warm);
        }

        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

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

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

        .service-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .service-card .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.15), transparent);
            pointer-events: none;
        }

        .service-card .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .service-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .service-card .card-text {
            font-size: 0.9rem;
            color: var(--ink-light);
            line-height: 1.7;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .service-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--ink-lighter);
        }

        .service-card .btn-service {
            background: var(--bg-warm);
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 0.88rem;
            font-weight: 500;
            transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
            align-self: flex-start;
        }

        .service-card .btn-service:hover {
            background: var(--gradient-brand);
            color: #fff;
            border-color: transparent;
        }

        /* ===== App ===== */
        .app-section {
            background: linear-gradient(135deg, rgba(249, 115, 22, 0.06), rgba(225, 29, 72, 0.05));
            border-top: 1px solid var(--line-light);
            border-bottom: 1px solid var(--line-light);
        }

        .app-section .app-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line-light);
        }

        .app-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 20px;
        }

        .app-feature {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--ink);
        }

        .app-feature i {
            color: var(--primary);
            font-size: 1rem;
            margin-top: 4px;
        }

        .btn-download {
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 12px 28px;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .btn-download:hover {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 10px 24px rgba(249, 115, 22, 0.35);
        }

        .btn-ghost {
            background: transparent;
            color: var(--ink);
            border: 2px solid var(--line);
            border-radius: 999px;
            padding: 10px 24px;
            font-weight: 500;
            transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(249, 115, 22, 0.04);
        }

        @media (max-width: 767.98px) {
            .app-features {
                grid-template-columns: 1fr;
            }

            .app-section .app-card {
                padding: 24px;
            }
        }

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

        .faq-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--line-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow var(--transition-base);
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            box-shadow: var(--shadow-card);
        }

        .faq-accordion .accordion-button {
            background: var(--card-bg);
            color: var(--ink);
            padding: 18px 24px;
            font-weight: 600;
            font-size: 0.98rem;
            border: none;
            box-shadow: none;
            transition: color var(--transition-base);
            position: relative;
        }

        .faq-accordion .accordion-button::after {
            display: none;
        }

        .faq-accordion .accordion-button::before {
            content: "+";
            position: absolute;
            right: 20px;
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--primary);
            transition: transform var(--transition-base);
            line-height: 1;
        }

        .faq-accordion .accordion-button:not(.collapsed)::before {
            content: "×";
            transform: rotate(90deg);
            color: var(--danger);
        }

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

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15);
            border-radius: var(--radius-md);
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-md) !important;
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--ink-light);
            font-size: 0.93rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-warm);
        }

        .cta-card {
            background: var(--gradient-brand);
            border-radius: 24px;
            padding: 56px 48px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.92);
            max-width: 520px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn-white {
            background: #fff;
            color: var(--danger);
            border: none;
            border-radius: 999px;
            padding: 12px 32px;
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            z-index: 1;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .cta-card .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
            color: var(--danger);
        }

        .cta-card .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.85);
            border-radius: 999px;
            padding: 10px 28px;
            font-weight: 600;
            position: relative;
            z-index: 1;
            transition: background var(--transition-base);
        }

        .cta-card .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .cta-safelines {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-safelines span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-safelines i {
            font-size: 0.75rem;
        }

        @media (max-width: 767.98px) {
            .cta-card {
                padding: 40px 24px;
                border-radius: 20px;
            }

            .cta-card h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #1B1B1B;
            color: #B0B0B0;
            padding-top: 64px;
            padding-bottom: 24px;
            font-size: 0.9rem;
        }

        .footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer .footer-desc {
            color: #8A8A8A;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

        .footer ul li {
            margin-bottom: 10px;
        }

        .footer ul a {
            color: #8A8A8A;
            font-size: 0.88rem;
            transition: color var(--transition-base), padding-left var(--transition-base);
        }

        .footer ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer .footer-bottom {
            border-top: 1px solid #2A2A2A;
            padding-top: 20px;
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: #6B6B6B;
        }

        .footer .footer-bottom a {
            color: #6B6B6B;
        }

        .footer .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer .social-icons {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: #2A2A2A;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #aaa;
            font-size: 0.85rem;
            transition: background var(--transition-base), color var(--transition-base);
        }

        .footer .social-icons a:hover {
            background: var(--gradient-brand);
            color: #fff;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            background: var(--bg-warm);
            padding: 16px 0;
            border-bottom: 1px solid var(--line-light);
        }

        .breadcrumb {
            margin: 0;
            font-size: 0.85rem;
        }

        /* ===== 返回上级 ===== */
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--ink-light);
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 4px 14px;
            transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
        }

        .back-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(249, 115, 22, 0.04);
        }

        /* ===== 按钮焦点 ===== */
        .btn:focus,
        .btn-white:focus,
        .btn-ghost:focus {
            box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.25);
            outline: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid rgba(249, 115, 22, 0.6);
            outline-offset: 2px;
        }

        /* ===== 工具类 ===== */
        .text-brand-gradient {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

/* roulang page: category1 */
:root {
 --primary: #F97316;
 --primary-dark: #EA580C;
 --danger: #E11D48;
 --accent: #F59E0B;
 --success: #2F855A;
 --ink: #1B1B1B;
 --ink-light: #6B7280;
 --ink-lighter: #9CA3AF;
 --bg-warm: #FAF7F2;
 --card-bg: #FFFFFF;
 --line: #E8E0D6;
 --line-light: #F0EAE2;
 --radius-lg: 20px;
 --radius-md: 16px;
 --radius-sm: 8px;
 --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
 --shadow-hover: 0 16px 40px rgba(225, 29, 72, 0.12);
 --shadow-btn: 0 6px 18px rgba(249, 115, 22, 0.28);
 --gradient-brand: linear-gradient(135deg, #F97316 0%, #E11D48 100%);
 --transition-base: 0.2s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 background: var(--bg-warm);
 color: var(--ink);
 line-height: 1.75;
 margin: 0;
 -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition-base); }
a:hover { color: var(--danger); }
ul, ol { padding-left: 0; list-style: none; margin-bottom: 0; }
.container { max-width: 1200px; padding-left: 16px; padding-right: 16px; }

/* ===== 按钮 ===== */
.btn { border-radius: 999px; font-weight: 600; padding: 12px 28px; display: inline-flex; align-items: center; gap: 8px; transition: all var(--transition-base); border: none; }
.btn-brand {
 background: var(--gradient-brand);
 color: #fff;
 box-shadow: var(--shadow-btn);
 border: none;
}
.btn-brand:hover, .btn-brand:focus {
 color: #fff;
 transform: translateY(-2px);
 box-shadow: 0 10px 28px rgba(225, 29, 72, 0.3);
}
.btn-outline-light {
 background: transparent;
 color: #fff;
 border: 2px solid rgba(255, 255, 255, 0.7);
}
.btn-outline-light:hover {
 background: rgba(255, 255, 255, 0.15);
 color: #fff;
 border-color: #fff;
}
.btn-brand-light {
 background: #fff;
 color: var(--danger);
 box-shadow: 0 6px 20px rgba(27, 27, 27, 0.15);
}
.btn-brand-light:hover {
 color: var(--primary-dark);
 transform: translateY(-2px);
 box-shadow: 0 10px 28px rgba(27, 27, 27, 0.2);
}
.btn:focus-visible {
 outline: none;
 box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.25);
}

/* ===== 导航 ===== */
.main-nav {
 background: rgba(250, 247, 242, 0.92);
 backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--line);
 padding-top: 14px;
 padding-bottom: 14px;
 transition: box-shadow var(--transition-base), background var(--transition-base);
 z-index: 1050;
}
.main-nav.scrolled {
 box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
 background: rgba(250, 247, 242, 0.97);
}
.navbar-brand {
 font-size: 1.65rem;
 font-weight: 800;
 letter-spacing: -0.02em;
 color: var(--ink);
 display: flex;
 align-items: center;
 gap: 8px;
}
.navbar-brand .brand-icon {
 width: 38px;
 height: 38px;
 border-radius: 12px;
 background: var(--gradient-brand);
 display: inline-flex;
 align-items: center;
 justify-content: center;
 color: #fff;
 font-size: 0.95rem;
 font-weight: 700;
 box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}
.navbar-brand:hover { color: var(--ink); }
.main-nav .nav-link {
 color: var(--ink);
 font-weight: 500;
 padding: 10px 18px !important;
 border-radius: 12px;
 position: relative;
 font-size: 0.95rem;
 transition: color var(--transition-base), background var(--transition-base);
}
.main-nav .nav-link:hover {
 color: var(--primary);
 background: rgba(249, 115, 22, 0.08);
}
.main-nav .nav-link.active {
 color: var(--primary);
 font-weight: 600;
 background: rgba(249, 115, 22, 0.06);
}
.main-nav .nav-link.active::after {
 content: "";
 position: absolute;
 bottom: 4px;
 left: 50%;
 transform: translateX(-50%);
 width: 18px;
 height: 3px;
 border-radius: 2px;
 background: var(--gradient-brand);
}
.navbar-toggler {
 border: none;
 background: transparent;
 padding: 6px 10px;
 border-radius: 10px;
}
.navbar-toggler:focus {
 box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.25);
}
.navbar-toggler-icon {
 display: inline-block;
 width: 22px;
 height: 2px;
 background: var(--ink);
 position: relative;
 border-radius: 2px;
 transition: background var(--transition-base);
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
 content: "";
 position: absolute;
 left: 0;
 width: 22px;
 height: 2px;
 background: var(--ink);
 border-radius: 2px;
 transition: transform var(--transition-base), top var(--transition-base);
}
.navbar-toggler-icon::before { top: -7px; }
.navbar-toggler-icon::after { top: 7px; }
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon { background: transparent; }
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before { top: 0; transform: rotate(45deg); }
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after { top: 0; transform: rotate(-45deg); }

/* ===== 面包屑 ===== */
.breadcrumb-bar {
 background: rgba(232, 224, 214, 0.35);
 padding: 12px 0;
 border-bottom: 1px solid var(--line-light);
}
.breadcrumb-bar .container {
 display: flex;
 align-items: center;
 justify-content: space-between;
 flex-wrap: wrap;
 gap: 8px;
}
.breadcrumb {
 margin: 0;
 background: transparent;
 padding: 0;
}
.breadcrumb-item {
 font-size: 0.92rem;
}
.breadcrumb-item a {
 color: var(--ink-light);
 font-weight: 500;
}
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active {
 color: var(--ink);
 font-weight: 600;
}
.breadcrumb-item + .breadcrumb-item::before {
 color: var(--ink-lighter);
 content: "/";
 padding: 0 6px;
}
.btn-back {
 font-size: 0.88rem;
 color: var(--ink-light);
 font-weight: 500;
 display: inline-flex;
 align-items: center;
 gap: 6px;
 transition: color var(--transition-base);
}
.btn-back:hover { color: var(--primary); }

/* ===== 分类 Hero ===== */
.category-hero {
 position: relative;
 background: linear-gradient(135deg, rgba(27, 27, 27, 0.93), rgba(27, 27, 27, 0.82)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
 color: #fff;
 padding: 90px 0 80px;
 overflow: hidden;
}
.category-hero::after {
 content: "";
 position: absolute;
 right: -100px;
 top: -120px;
 width: 420px;
 height: 420px;
 background: rgba(249, 115, 22, 0.18);
 border-radius: 50%;
 filter: blur(80px);
 pointer-events: none;
}
.category-hero .container { position: relative; z-index: 2; }
.hero-kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 font-size: 0.92rem;
 font-weight: 600;
 color: var(--accent);
 background: rgba(255, 255, 255, 0.1);
 border: 1px solid rgba(255, 255, 255, 0.15);
 padding: 6px 16px;
 border-radius: 999px;
 margin-bottom: 18px;
 letter-spacing: 0.02em;
}
.category-hero h1 {
 font-size: 3rem;
 font-weight: 800;
 line-height: 1.15;
 letter-spacing: -0.02em;
 margin-bottom: 16px;
}
.hero-lead {
 font-size: 1.1rem;
 color: rgba(255, 255, 255, 0.85);
 max-width: 580px;
 margin-bottom: 28px;
 line-height: 1.8;
}
.hero-actions {
 display: flex;
 gap: 14px;
 flex-wrap: wrap;
}
.hero-rank-card {
 background: rgba(255, 255, 255, 0.08);
 backdrop-filter: blur(14px);
 border: 1px solid rgba(255, 255, 255, 0.14);
 border-radius: 20px;
 padding: 24px;
 box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
}
.rank-header {
 display: flex;
 align-items: center;
 gap: 8px;
 font-weight: 700;
 font-size: 1.05rem;
 color: #fff;
 margin-bottom: 6px;
 padding-bottom: 14px;
 border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.rank-header i {
 color: var(--accent);
 font-size: 1.1rem;
}
.rank-list li {
 display: flex;
 align-items: center;
 gap: 12px;
 padding: 12px 4px;
 border-bottom: 1px solid rgba(255, 255, 255, 0.07);
 font-size: 0.95rem;
 color: rgba(255, 255, 255, 0.92);
}
.rank-list li:last-child { border-bottom: none; }
.rank-num {
 flex-shrink: 0;
 width: 28px;
 height: 28px;
 border-radius: 8px;
 background: rgba(255, 255, 255, 0.12);
 color: var(--accent);
 font-size: 0.82rem;
 font-weight: 700;
 display: inline-flex;
 align-items: center;
 justify-content: center;
}
.rank-data {
 margin-left: auto;
 color: var(--accent);
 font-weight: 700;
 font-size: 0.9rem;
 flex-shrink: 0;
}

/* ===== 分类索引 ===== */
.cat-index-section {
 padding: 32px 0 8px;
}
.cat-index-card {
 background: var(--card-bg);
 border-radius: var(--radius-lg);
 padding: 20px 24px;
 box-shadow: var(--shadow-card);
 display: flex;
 flex-wrap: wrap;
 align-items: center;
 gap: 10px;
}
.cat-index-label {
 font-weight: 700;
 color: var(--ink);
 margin-right: 6px;
 white-space: nowrap;
 display: inline-flex;
 align-items: center;
 gap: 6px;
}
.cat-index-label i { color: var(--primary); }
.cat-tag {
 display: inline-block;
 padding: 7px 18px;
 border-radius: 999px;
 background: var(--bg-warm);
 color: var(--ink-light);
 font-size: 0.9rem;
 font-weight: 500;
 border: 1px solid var(--line);
 transition: all var(--transition-base);
}
.cat-tag:hover {
 color: var(--primary);
 border-color: rgba(249, 115, 22, 0.4);
 background: rgba(249, 115, 22, 0.06);
}
.cat-tag.active {
 background: var(--gradient-brand);
 color: #fff;
 border-color: transparent;
 box-shadow: 0 4px 14px rgba(225, 29, 72, 0.2);
}

/* ===== 内容主体 ===== */
.cat-content-section {
 padding: 40px 0 60px;
}
.section-heading {
 margin-bottom: 28px;
}
.section-heading h2 {
 font-weight: 800;
 font-size: 1.8rem;
 letter-spacing: -0.01em;
 color: var(--ink);
 position: relative;
 padding-bottom: 14px;
}
.section-heading h2::after {
 content: "";
 position: absolute;
 left: 0;
 bottom: 0;
 width: 40px;
 height: 4px;
 border-radius: 2px;
 background: var(--gradient-brand);
}
.section-heading p {
 color: var(--ink-light);
 margin-top: 10px;
 max-width: 640px;
}
.section-heading.centered {
 text-align: center;
}
.section-heading.centered h2::after {
 left: 50%;
 transform: translateX(-50%);
}
.section-heading.centered p {
 margin-left: auto;
 margin-right: auto;
}
.content-card {
 background: var(--card-bg);
 border-radius: var(--radius-lg);
 overflow: hidden;
 box-shadow: var(--shadow-card);
 transition: transform var(--transition-base), box-shadow var(--transition-base);
 height: 100%;
 display: flex;
 flex-direction: column;
 border: 1px solid rgba(232, 224, 214, 0.4);
}
.content-card:hover {
 transform: translateY(-4px);
 box-shadow: var(--shadow-hover);
}
.card-thumb {
 position: relative;
 border-radius: 0;
 overflow: hidden;
 height: 200px;
 flex-shrink: 0;
}
.card-thumb img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform 0.45s ease;
}
.content-card:hover .card-thumb img {
 transform: scale(1.04);
}
.card-badge {
 position: absolute;
 top: 14px;
 left: 14px;
 background: var(--gradient-brand);
 color: #fff;
 font-size: 0.78rem;
 font-weight: 600;
 padding: 4px 14px;
 border-radius: 999px;
 box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
 letter-spacing: 0.02em;
}
.card-body {
 padding: 22px 24px 24px;
 display: flex;
 flex-direction: column;
 flex: 1;
}
.card-body h3 {
 font-size: 1.15rem;
 font-weight: 700;
 line-height: 1.5;
 margin-bottom: 10px;
 color: var(--ink);
 transition: color var(--transition-base);
}
.content-card:hover .card-body h3 { color: var(--primary); }
.card-desc {
 color: var(--ink-light);
 font-size: 0.92rem;
 line-height: 1.75;
 flex: 1;
 margin-bottom: 14px;
}
.card-meta {
 display: flex;
 gap: 16px;
 color: var(--ink-lighter);
 font-size: 0.84rem;
 margin-bottom: 14px;
}
.card-meta span {
 display: inline-flex;
 align-items: center;
 gap: 5px;
}
.card-tags {
 display: flex;
 flex-wrap: wrap;
 gap: 6px;
 margin-top: auto;
}
.card-tags span {
 display: inline-block;
 padding: 4px 12px;
 background: rgba(249, 115, 22, 0.08);
 color: var(--primary-dark);
 border-radius: 999px;
 font-size: 0.8rem;
 font-weight: 500;
}

/* ===== 侧栏 ===== */
.sidebar-card {
 background: var(--card-bg);
 border-radius: var(--radius-lg);
 padding: 24px;
 box-shadow: var(--shadow-card);
 margin-bottom: 20px;
 border: 1px solid rgba(232, 224, 214, 0.35);
}
.sidebar-card h5 {
 font-weight: 700;
 font-size: 1.05rem;
 color: var(--ink);
 margin-bottom: 18px;
 position: relative;
 padding-bottom: 10px;
}
.sidebar-card h5::after {
 content: "";
 position: absolute;
 left: 0;
 bottom: 0;
 width: 28px;
 height: 3px;
 border-radius: 2px;
 background: var(--gradient-brand);
}
.data-badges {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 12px;
}
.data-badge {
 background: var(--bg-warm);
 border-radius: var(--radius-md);
 padding: 16px 10px;
 text-align: center;
 transition: transform var(--transition-base);
}
.data-badge:hover {
 transform: translateY(-2px);
}
.badge-num {
 display: block;
 font-size: 1.5rem;
 font-weight: 800;
 color: var(--primary);
 line-height: 1.3;
 letter-spacing: -0.01em;
}
.badge-label {
 display: block;
 font-size: 0.82rem;
 color: var(--ink-light);
 margin-top: 4px;
}
.tag-list {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
}
.tag-list a {
 display: inline-block;
 padding: 6px 14px;
 border-radius: 999px;
 background: var(--bg-warm);
 border: 1px solid var(--line);
 color: var(--ink-light);
 font-size: 0.85rem;
 font-weight: 500;
 transition: all var(--transition-base);
}
.tag-list a:hover {
 border-color: var(--primary);
 color: var(--primary);
 background: rgba(249, 115, 22, 0.06);
}
.related-list li {
 margin-bottom: 10px;
}
.related-list a {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--ink);
 font-weight: 500;
 font-size: 0.92rem;
 padding: 8px 12px;
 border-radius: 12px;
 transition: background var(--transition-base), color var(--transition-base);
}
.related-list a:hover {
 background: rgba(249, 115, 22, 0.08);
 color: var(--primary);
}
.related-list a i {
 color: var(--primary);
 font-size: 0.9rem;
}

/* ===== 分页 ===== */
.pagination-wrap {
 margin-top: 40px;
 display: flex;
 justify-content: center;
}
.pagination {
 gap: 6px;
}
.page-link {
 border-radius: 999px !important;
 border: none;
 padding: 9px 18px;
 color: var(--ink);
 background: var(--card-bg);
 font-weight: 500;
 font-size: 0.9rem;
 box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
 transition: all var(--transition-base);
}
.page-link:hover {
 background: rgba(249, 115, 22, 0.1);
 color: var(--primary);
}
.page-item.active .page-link {
 background: var(--gradient-brand);
 color: #fff;
 box-shadow: var(--shadow-btn);
 border: none;
}
.page-item.disabled .page-link {
 background: rgba(255, 255, 255, 0.6);
 color: var(--ink-lighter);
 box-shadow: none;
}

/* ===== 流程 ===== */
.process-strip {
 padding: 0 0 48px;
}
.process-card {
 background: var(--card-bg);
 border-radius: var(--radius-lg);
 padding: 36px 32px;
 box-shadow: var(--shadow-card);
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 24px;
 border: 1px solid rgba(232, 224, 214, 0.35);
}
.process-item {
 position: relative;
 padding-right: 20px;
}
.process-item:not(:last-child)::after {
 content: "";
 position: absolute;
 right: -14px;
 top: 20px;
 width: 28px;
 height: 2px;
 background: linear-gradient(to right, var(--line), transparent);
}
.process-step {
 display: inline-block;
 width: 44px;
 height: 44px;
 border-radius: 14px;
 background: var(--gradient-brand);
 color: #fff;
 font-size: 1rem;
 font-weight: 700;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 margin-bottom: 14px;
 box-shadow: 0 6px 16px rgba(225, 29, 72, 0.2);
}
.process-item h5 {
 font-weight: 700;
 font-size: 1rem;
 color: var(--ink);
 margin-bottom: 6px;
}
.process-item p {
 font-size: 0.85rem;
 color: var(--ink-light);
 line-height: 1.6;
 margin: 0;
}

/* ===== FAQ ===== */
.cat-faq-section {
 padding: 10px 0 60px;
}
.faq-accordion .accordion-item {
 border: 1px solid var(--line);
 border-radius: var(--radius-md) !important;
 overflow: hidden;
 margin-bottom: 14px;
 background: var(--card-bg);
 transition: box-shadow var(--transition-base);
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
 box-shadow: 0 6px 20px rgba(249, 115, 22, 0.08);
}
.faq-accordion .accordion-button {
 background: var(--card-bg);
 color: var(--ink);
 font-weight: 600;
 font-size: 1rem;
 padding: 20px 22px;
 border: none;
 box-shadow: none;
 border-left: 4px solid transparent;
 border-radius: 0 !important;
 transition: color var(--transition-base), border-color var(--transition-base);
}
.faq-accordion .accordion-button:not(.collapsed) {
 color: var(--primary);
 border-left-color: var(--primary);
 box-shadow: none;
}
.faq-accordion .accordion-button:focus {
 box-shadow: none;
 border-color: var(--primary);
}
.faq-accordion .accordion-button::after {
 display: none;
}
.faq-accordion .accordion-button::before {
 content: "+";
 width: 26px;
 height: 26px;
 border-radius: 50%;
 background: var(--bg-warm);
 color: var(--primary);
 display: inline-flex;
 align-items: center;
 justify-content: center;
 margin-right: 12px;
 font-size: 1.1rem;
 font-weight: 700;
 flex-shrink: 0;
 transition: all var(--transition-base);
}
.faq-accordion .accordion-button:not(.collapsed)::before {
 content: "×";
 background: var(--gradient-brand);
 color: #fff;
 transform: rotate(90deg);
}
.faq-accordion .accordion-body {
 padding: 4px 22px 22px 60px;
 color: var(--ink-light);
 font-size: 0.95rem;
 line-height: 1.85;
}

/* ===== CTA ===== */
.bottom-cta {
 padding: 16px 0 72px;
}
.cta-box {
 background: var(--gradient-brand);
 border-radius: 28px;
 padding: 52px 48px;
 text-align: center;
 color: #fff;
 position: relative;
 overflow: hidden;
 box-shadow: 0 20px 48px rgba(225, 29, 72, 0.25);
}
.cta-box::before {
 content: "";
 position: absolute;
 right: -60px;
 top: -60px;
 width: 220px;
 height: 220px;
 background: rgba(255, 255, 255, 0.1);
 border-radius: 50%;
 pointer-events: none;
}
.cta-box::after {
 content: "";
 position: absolute;
 left: -40px;
 bottom: -60px;
 width: 160px;
 height: 160px;
 background: rgba(255, 255, 255, 0.06);
 border-radius: 50%;
 pointer-events: none;
}
.cta-box h2 {
 font-weight: 800;
 font-size: 2rem;
 margin-bottom: 12px;
 letter-spacing: -0.01em;
 position: relative;
 z-index: 1;
}
.cta-box p {
 font-size: 1.05rem;
 color: rgba(255, 255, 255, 0.9);
 max-width: 560px;
 margin: 0 auto 28px;
 position: relative;
 z-index: 1;
}
.cta-actions {
 display: flex;
 gap: 14px;
 justify-content: center;
 flex-wrap: wrap;
 margin-bottom: 24px;
 position: relative;
 z-index: 1;
}
.cta-promises {
 display: flex;
 gap: 24px;
 justify-content: center;
 flex-wrap: wrap;
 font-size: 0.88rem;
 color: rgba(255, 255, 255, 0.92);
 position: relative;
 z-index: 1;
}
.cta-promises span {
 display: inline-flex;
 align-items: center;
 gap: 6px;
}
.cta-promises i {
 color: #fff;
 font-size: 0.9rem;
}

/* ===== 页脚 ===== */
.footer {
 background: #26242B;
 color: rgba(255, 255, 255, 0.65);
 padding: 64px 0 24px;
 position: relative;
 overflow: hidden;
}
.footer::before {
 content: "";
 position: absolute;
 left: 0;
 top: 0;
 width: 100%;
 height: 3px;
 background: var(--gradient-brand);
 opacity: 0.8;
}
.footer-brand {
 display: flex;
 align-items: center;
 gap: 10px;
 font-size: 1.4rem;
 font-weight: 800;
 color: #fff;
 margin-bottom: 14px;
}
.footer-desc {
 color: rgba(255, 255, 255, 0.6);
 font-size: 0.92rem;
 line-height: 1.8;
 margin-bottom: 18px;
 max-width: 320px;
}
.social-icons {
 display: flex;
 gap: 10px;
}
.social-icons a {
 width: 38px;
 height: 38px;
 border-radius: 12px;
 background: rgba(255, 255, 255, 0.08);
 display: inline-flex;
 align-items: center;
 justify-content: center;
 color: rgba(255, 255, 255, 0.7);
 font-size: 0.95rem;
 transition: all var(--transition-base);
}
.social-icons a:hover {
 background: var(--gradient-brand);
 color: #fff;
 transform: translateY(-2px);
}
.footer h5 {
 color: #fff;
 font-weight: 700;
 font-size: 1rem;
 margin-bottom: 18px;
 }
.footer ul li {
 margin-bottom: 9px;
}
.footer ul li a {
 color: rgba(255, 255, 255, 0.6);
 font-size: 0.9rem;
 transition: color var(--transition-base), padding-left var(--transition-base);
}
.footer ul li a:hover {
 color: #fff;
 padding-left: 4px;
}
.footer-bottom {
 border-top: 1px solid rgba(255, 255, 255, 0.1);
 margin-top: 40px;
 padding-top: 22px;
 display: flex;
 justify-content: space-between;
 align-items: center;
 flex-wrap: wrap;
 gap: 10px;
 font-size: 0.85rem;
 color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a {
 color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
 color: #fff;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
 .category-hero { padding: 64px 0 60px; }
 .category-hero h1 { font-size: 2.4rem; }
 .hero-rank-card { margin-top: 36px; }
 .cat-content-section .col-lg-9,
 .cat-content-section .col-lg-3 { width: 100%; }
 .cat-content-section .col-lg-3 { margin-top: 32px; }
 .process-card { grid-template-columns: repeat(2, 1fr); gap: 20px; }
 .process-item:nth-child(2)::after { display: none; }
 .footer .col-lg-4, .footer .col-lg-3, .footer .col-lg-2 { margin-bottom: 30px; }
}
@media (max-width: 767px) {
 .main-nav .nav-link.active::after { display: none; }
 .breadcrumb-bar .container { justify-content: flex-start; }
 .category-hero { padding: 50px 0 48px; }
 .category-hero h1 { font-size: 2rem; }
 .hero-lead { font-size: 1rem; }
 .cta-box { padding: 40px 20px; border-radius: 22px; }
 .cta-box h2 { font-size: 1.6rem; }
 .footer-bottom { flex-direction: column; text-align: center; }
 .cat-index-card { padding: 16px 18px; }
}
@media (max-width: 575px) {
 .hero-actions { flex-direction: column; align-items: stretch; }
 .hero-actions .btn { justify-content: center; }
 .process-card { grid-template-columns: 1fr; }
 .process-item:not(:last-child)::after { display: none; }
 .cta-promises { flex-direction: column; gap: 10px; }
 .cat-content-section .row.g-4 > .col-md-6 { width: 100%; }
 .card-thumb { height: 180px; }
 .pagination-wrap .page-link { padding: 8px 14px; font-size: 0.85rem; }
}

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