/* roulang page: index */
:root {
            --color-primary: #1F2A2E;
            --color-accent: #C75B39;
            --color-accent-hover: #A9492D;
            --color-bg: #F6F3EE;
            --color-bg-alt: #EFE9E0;
            --color-border: #D8CFC2;
            --color-text: #242221;
            --color-text-secondary: #6B625A;
            --color-success: #4A6655;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 24px;
            --radius-badge: 20px;
            --radius-input: 10px;
            --shadow-card: 0 2px 8px rgba(31,42,46,0.06);
            --shadow-card-hover: 0 8px 24px rgba(31,42,46,0.14);
            --shadow-nav: 0 2px 8px rgba(31,42,46,0.05);
            --focus-ring: 0 0 0 3px rgba(199,91,57,0.25);
            --transition: 0.3s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-padding-desktop: 80px 0;
            --section-padding-mobile: 52px 0;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
        }

        .container {
            max-width: 1160px;
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== 导航 ========== */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-bg-alt);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            min-height: 64px;
        }

        .site-header .navbar {
            padding: 10px 0;
            min-height: 64px;
        }

        .navbar-brand {
            font-size: 19px;
            font-weight: 800;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .navbar-nav .nav-link {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 16px;
            position: relative;
            transition: color var(--transition);
            border-radius: 6px;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--color-accent);
        }

        .navbar-nav .nav-link.active {
            color: var(--color-accent);
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-search {
            position: relative;
            min-width: 180px;
        }

        .header-search .form-control {
            border-radius: 20px;
            background: var(--color-bg);
            border: 1px solid var(--color-bg-alt);
            padding: 8px 16px 8px 36px;
            font-size: 13.5px;
            color: var(--color-text);
        }

        .header-search .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: var(--focus-ring);
            background: var(--color-white);
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-secondary);
            font-size: 13px;
            pointer-events: none;
        }

        .header-search .form-control::placeholder {
            color: var(--color-text-secondary);
            font-size: 13px;
        }

        .btn-brand {
            background: var(--color-accent);
            color: var(--color-white);
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-brand:hover,
        .btn-brand:focus {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(199,91,57,0.3);
        }

        .btn-brand:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline-brand {
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            border-radius: var(--radius-btn);
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline-brand:hover,
        .btn-outline-brand:focus {
            background: var(--color-primary);
            color: var(--color-bg);
            border-color: var(--color-primary);
        }

        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            border-radius: 8px;
            min-width: 44px;
            min-height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler:focus {
            box-shadow: var(--focus-ring);
        }

        .navbar-toggler-icon {
            background-image: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 20px;
        }

        /* ========== 板块通用 ========== */
        .site-main section {
            padding: var(--section-padding-desktop);
            position: relative;
        }

        .section-bg-white {
            background: var(--color-white);
        }

        .section-bg-warm {
            background: var(--color-bg);
        }

        .section-bg-alt {
            background: var(--color-bg-alt);
        }

        .section-bg-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-bg-dark .section-title,
        .section-bg-dark .section-desc {
            color: var(--color-white);
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            position: relative;
            padding-left: 16px;
            line-height: 1.35;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.75;
        }

        /* ========== Hero ========== */
        .hero-section {
            background-image: url('/assets/images/2717b17cb3bc4236.jpg');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            position: relative;
            padding: 96px 0 80px;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31,42,46,0.72) 0%, rgba(31,42,46,0.55) 60%, rgba(31,42,46,0.42) 100%);
            z-index: 1;
        }

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

        .hero-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .hero-title .highlight-accent {
            color: #E8A087;
            border-bottom: 3px solid var(--color-accent);
            display: inline-block;
            padding-bottom: 2px;
        }

        .hero-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.88);
            max-width: 520px;
            line-height: 1.75;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-actions .btn-brand {
            font-size: 15px;
            padding: 12px 28px;
        }

        .hero-actions .btn-outline-brand {
            border-color: rgba(255,255,255,0.7);
            color: var(--color-white);
            font-size: 15px;
            padding: 12px 28px;
        }

        .hero-actions .btn-outline-brand:hover {
            background: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
        }

        .hero-meta {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .hero-meta-item {
            color: rgba(255,255,255,0.75);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-meta-item i {
            color: #E8A087;
        }

        .hero-panel {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }

        .hero-panel-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel-title i {
            color: #E8A087;
        }

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

        .hero-rank-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.15);
            color: rgba(255,255,255,0.9);
            font-size: 13.5px;
        }

        .hero-rank-list li:last-child {
            border-bottom: none;
        }

        .hero-rank-list .rank-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 10px;
        }

        .hero-rank-list .rank-name {
            flex: 1;
            font-weight: 500;
        }

        .hero-rank-list .rank-trend {
            font-size: 12px;
            color: #A8D5B5;
            font-weight: 600;
        }

        .hero-rank-list .rank-trend.down {
            color: #E8A087;
        }

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

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

        .card-img-wrap {
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 9;
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.03);
        }

        .card-body {
            padding: 18px 20px;
        }

        .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 13.5px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .card-tag {
            display: inline-block;
            background: var(--color-bg-alt);
            color: var(--color-text-secondary);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 8px;
        }

        .card-tag-hot {
            background: var(--color-accent);
            color: var(--color-white);
        }

        .card-tag-safe {
            background: var(--color-success);
            color: var(--color-white);
        }

        /* 频道卡片 */
        .channel-card {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--color-white);
            box-shadow: var(--shadow-card);
        }

        .channel-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .channel-card .card-img-wrap {
            aspect-ratio: 16 / 9;
        }

        .channel-card .card-body {
            padding: 16px 18px;
        }

        .channel-card .card-title {
            font-size: 15px;
        }

        /* 大封面卡片 */
        .cover-card {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
        }

        .cover-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .cover-card .card-img-wrap {
            aspect-ratio: 4 / 3;
        }

        .cover-card .card-body {
            padding: 16px 18px;
        }

        /* 资讯列表项 */
        .news-item {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-bg-alt);
            align-items: flex-start;
        }

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

        .news-date {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            background: var(--color-bg-alt);
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            line-height: 1.2;
        }

        .news-date .day {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-accent);
        }

        .news-date .month {
            font-size: 11px;
            color: var(--color-text-secondary);
        }

        .news-content {
            flex: 1;
        }

        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            transition: color var(--transition);
            display: block;
            margin-bottom: 4px;
        }

        .news-title:hover {
            color: var(--color-accent);
        }

        .news-excerpt {
            font-size: 13.5px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* 热度榜 */
        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .rank-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 8px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            margin-bottom: 10px;
            transition: all var(--transition);
        }

        .rank-list li:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .rank-list .rank-index {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-accent);
            width: 32px;
            flex-shrink: 0;
        }

        .rank-list .rank-info {
            flex: 1;
        }

        .rank-list .rank-info .rank-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .rank-list .rank-info .rank-type {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .rank-list .rank-change {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-success);
        }

        .rank-list .rank-change.down {
            color: var(--color-accent);
        }

        /* ========== 数据条 ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .stat-number {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== 步骤流程 ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            position: relative;
            z-index: 2;
        }

        .step-item::after {
            content: '';
            position: absolute;
            top: 24px;
            left: calc(50% + 32px);
            width: calc(100% - 64px);
            border-top: 2px dashed var(--color-border);
            z-index: 1;
        }

        .step-item:last-child::after {
            display: none;
        }

        .step-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .step-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== 更新日历 ========== */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
        }

        .calendar-day {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 12px 8px;
            text-align: center;
            font-size: 13px;
            color: var(--color-text);
            transition: all var(--transition);
        }

        .calendar-day:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .calendar-day .day-num {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .calendar-day .day-label {
            font-size: 11px;
            color: var(--color-text-secondary);
            margin-top: 2px;
        }

        .calendar-day.active {
            background: var(--color-accent);
            border-color: var(--color-accent);
        }

        .calendar-day.active .day-num,
        .calendar-day.active .day-label {
            color: var(--color-white);
        }

        /* ========== 合作来源 ========== */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .partner-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 14px 24px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .partner-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .partner-item .partner-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            opacity: 0.7;
        }

        /* ========== FAQ ========== */
        .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .accordion-button {
            background: var(--color-white);
            color: var(--color-text);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            border-radius: var(--radius-card) !important;
            transition: all var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: var(--color-bg);
            color: var(--color-accent);
            box-shadow: none;
            border-left: 3px solid var(--color-accent);
        }

        .accordion-button:focus {
            box-shadow: var(--focus-ring);
            border-color: var(--color-accent);
        }

        .accordion-button::after {
            background-size: 14px;
            opacity: 0.6;
        }

        .accordion-body {
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 14px;
            line-height: 1.75;
            padding: 18px 22px;
            border-top: 1px solid var(--color-bg-alt);
        }

        /* ========== 保障条 ========== */
        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: rgba(255,255,255,0.9);
        }

        .guarantee-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #E8A087;
            flex-shrink: 0;
        }

        .guarantee-text {
            font-size: 14px;
            line-height: 1.6;
        }

        .guarantee-text strong {
            display: block;
            font-size: 15px;
            color: var(--color-white);
            margin-bottom: 2px;
        }

        /* ========== CTA收口 ========== */
        .cta-section {
            background: var(--color-accent);
            color: var(--color-white);
            padding: 72px 0;
        }

        .cta-section .section-title {
            color: var(--color-white);
        }

        .cta-section .section-desc {
            color: rgba(255,255,255,0.85);
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            flex-wrap: wrap;
        }

        .cta-form .form-control {
            flex: 1;
            min-width: 200px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(255,255,255,0.4);
            padding: 12px 18px;
            font-size: 14px;
            background: rgba(255,255,255,0.15);
            color: var(--color-white);
            transition: all var(--transition);
        }

        .cta-form .form-control::placeholder {
            color: rgba(255,255,255,0.7);
        }

        .cta-form .form-control:focus {
            background: rgba(255,255,255,0.25);
            border-color: var(--color-white);
            box-shadow: 0 0 0 3px rgba(255,255,255,0.25);
            outline: none;
        }

        .cta-form .btn-white {
            background: var(--color-white);
            color: var(--color-accent);
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
        }

        .cta-form .btn-white:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-1px);
        }

        /* ========== 热门专题 ========== */
        .topic-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .topic-pill {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-badge);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition);
            cursor: pointer;
        }

        .topic-pill:hover,
        .topic-pill.active {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-white);
        }

        .topic-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.85);
            padding-top: 56px;
            border-top: 3px solid var(--color-accent);
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-icon {
            background: var(--color-accent);
        }

        .site-footer p {
            font-size: 13.5px;
            line-height: 1.7;
            color: rgba(255,255,255,0.7);
            margin-bottom: 0;
        }

        .site-footer h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
        }

        .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: rgba(255,255,255,0.7);
            font-size: 13.5px;
            transition: color var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tags .badge {
            background: rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.8);
            border-radius: var(--radius-badge);
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 500;
        }

        .footer-tags .badge:hover {
            background: var(--color-accent);
            color: var(--color-white);
            cursor: pointer;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            margin: 0;
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.7);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .hero-section {
                min-height: auto;
                padding: 72px 0 60px;
            }

            .hero-title {
                font-size: 26px;
            }

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

            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }

            .step-item::after {
                display: none;
            }

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

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

            .site-main section {
                padding: 56px 0;
            }

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

            .navbar-nav {
                padding: 16px 0;
                gap: 4px;
            }

            .navbar-nav .nav-link {
                padding: 10px 12px;
            }

            .navbar-nav .nav-link.active::after {
                left: 12px;
                right: 12px;
            }

            .header-search {
                min-width: 100%;
                margin: 8px 0;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 48px 0;
            }

            .hero-title {
                font-size: 24px;
                line-height: 1.3;
            }

            .hero-desc {
                font-size: 14.5px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn-brand,
            .hero-actions .btn-outline-brand {
                width: 100%;
                text-align: center;
                padding: 11px 18px;
                font-size: 14px;
            }

            .hero-meta {
                gap: 14px;
                flex-direction: column;
            }

            .hero-panel {
                margin-top: 24px;
                padding: 18px;
            }

            .site-main section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 20px;
                padding-left: 12px;
            }

            .section-title::before {
                top: 4px;
                bottom: 4px;
                width: 3px;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-number {
                font-size: 24px;
            }

            .steps-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 6px;
            }

            .calendar-day {
                padding: 8px 4px;
                font-size: 11px;
            }

            .calendar-day .day-num {
                font-size: 14px;
            }

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

            .topic-cards {
                grid-template-columns: 1fr;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form .form-control {
                min-width: 100%;
            }

            .cta-form .btn-white {
                width: 100%;
                text-align: center;
            }

            .partner-row {
                gap: 10px;
            }

            .partner-item {
                padding: 10px 16px;
                font-size: 12.5px;
            }

            .site-footer {
                padding-top: 40px;
            }

            .site-footer .footer-brand {
                font-size: 18px;
            }

            .footer-bottom {
                margin-top: 28px;
                padding: 16px 0;
            }
        }

        @media (max-width: 519px) {
            .hero-title {
                font-size: 22px;
            }

            .section-title {
                font-size: 19px;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-item {
                padding: 18px 10px;
            }

            .stat-number {
                font-size: 22px;
            }

            .cards-grid {
                grid-template-columns: 1fr !important;
            }

            .calendar-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .navbar-brand {
                font-size: 17px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
        }

/* roulang page: index */
:root {
            --color-bg-primary: #17171A;
            --color-bg-secondary: #201F24;
            --color-bg-light: #F4F0E9;
            --color-accent: #D97706;
            --color-accent-hover: #B85F04;
            --color-accent-secondary: #8E3B46;
            --color-accent-tertiary: #2D6A4F;
            --color-text-primary-dark: #F8F6F1;
            --color-text-secondary-dark: #B7B2AA;
            --color-text-primary-light: #1C1A17;
            --color-text-secondary-light: #6B6760;
            --color-border-dark: #2E2C31;
            --color-border-light: #E2DDD5;
            --radius-card: 10px;
            --radius-btn: 24px;
            --radius-input: 20px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.18);
            --shadow-card-hover: 0 6px 20px rgba(0,0,0,0.28);
            --font-family: "PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
            --transition-base: all 0.3s ease;
            --section-py-desktop: 72px;
            --section-py-mobile: 44px;
            --card-padding-desktop: 20px;
            --card-padding-mobile: 16px;
            --card-gap-desktop: 20px;
            --card-gap-mobile: 12px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-primary-light);
            background-color: var(--color-bg-light);
            margin: 0;
            overflow-x: hidden;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px dashed var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background-color: #FFFFFF;
            border-bottom: 1px solid #E8E4DE;
            box-shadow: 0 1px 6px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            padding-bottom: 10px;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-text-primary-light);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-brand-custom .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-accent);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 1;
            flex-wrap: wrap;
            justify-content: center;
        }

        .navbar-nav-custom a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-primary-light);
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .navbar-nav-custom a:hover,
        .navbar-nav-custom a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background-color: #F5F3EE;
            border: 1px solid #E2DDD5;
            border-radius: var(--radius-input);
            padding: 6px 14px;
            gap: 8px;
            transition: var(--transition-base);
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            background-color: #FFFFFF;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--color-text-primary-light);
            width: 140px;
        }

        .nav-search input:focus {
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--color-text-secondary-light);
            font-size: 12px;
        }

        .nav-search i {
            color: var(--color-text-secondary-light);
            font-size: 13px;
        }

        .btn-primary-custom {
            background-color: var(--color-accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-btn);
            padding: 8px 22px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-primary-custom:hover {
            background-color: var(--color-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(217,119,6,0.35);
        }

        .btn-secondary-custom {
            background-color: transparent;
            color: var(--color-text-primary-light);
            border: 1px solid var(--color-text-primary-light);
            border-radius: var(--radius-btn);
            padding: 8px 22px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-secondary-custom:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text-primary-light);
            cursor: pointer;
            padding: 4px;
        }

        @media (max-width: 991px) {
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-nav-custom {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px;
                gap: 12px;
                border-bottom: 1px solid #E8E4DE;
                box-shadow: 0 6px 20px rgba(0,0,0,0.08);
                z-index: 1049;
            }
            .navbar-nav-custom.show {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .site-header .container {
                flex-wrap: wrap;
            }
            .nav-right {
                margin-left: auto;
            }
        }

        @media (max-width: 576px) {
            .navbar-brand-custom {
                font-size: 14px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .btn-primary-custom {
                padding: 6px 14px;
                font-size: 12px;
            }
            .btn-secondary-custom {
                padding: 6px 14px;
                font-size: 12px;
            }
        }

        /* ========== Sections ========== */
        .section-block {
            padding: var(--section-py-desktop) 0;
        }

        .section-block-dark {
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary-dark);
        }

        .section-block-dark-secondary {
            background-color: var(--color-bg-secondary);
            color: var(--color-text-primary-dark);
        }

        .section-block-light {
            background-color: var(--color-bg-light);
            color: var(--color-text-primary-light);
        }

        .section-block-accent-gradient {
            background: linear-gradient(135deg, #B85F04 0%, #D97706 40%, #8E3B46 100%);
            color: #FFFFFF;
        }

        .section-header {
            margin-bottom: 36px;
            position: relative;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .section-tag.tag-dark {
            background-color: rgba(217,119,6,0.15);
            color: var(--color-accent);
        }

        .section-tag.tag-light {
            background-color: rgba(217,119,6,0.12);
            color: var(--color-accent);
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 750;
            margin: 0 0 8px 0;
            line-height: 1.25;
            letter-spacing: -0.2px;
        }

        .section-header .section-subtitle {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary-dark);
            max-width: 680px;
            margin: 0;
        }

        .section-block-light .section-header .section-subtitle {
            color: var(--color-text-secondary-light);
        }

        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-py-mobile) 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .section-header .section-subtitle {
                font-size: 13px;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            background-color: var(--color-bg-primary);
            background-image: linear-gradient(rgba(23,23,26,0.82), rgba(23,23,26,0.92)), url('/assets/images/2717b17cb3bc4236.jpg');
            background-size: cover;
            background-position: center;
            color: var(--color-text-primary-dark);
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
        }

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

        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            margin: 0 0 16px 0;
            letter-spacing: -0.5px;
            color: #FFFFFF;
        }

        .hero-content .hero-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: #C9C4BC;
            margin: 0 0 24px 0;
            max-width: 540px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-buttons .btn-primary-custom {
            padding: 12px 28px;
            font-size: 15px;
        }

        .hero-buttons .btn-secondary-custom {
            padding: 12px 28px;
            font-size: 15px;
            border-color: #C9C4BC;
            color: #C9C4BC;
        }

        .hero-buttons .btn-secondary-custom:hover {
            background-color: rgba(255,255,255,0.08);
            color: #FFFFFF;
            border-color: #FFFFFF;
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-badge {
            background-color: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 12px;
            font-weight: 500;
            color: #D5D0C8;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-badge i {
            color: var(--color-accent);
        }

        .hero-panel {
            background-color: rgba(32,31,36,0.85);
            border: 1px solid var(--color-border-dark);
            border-radius: 12px;
            padding: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-panel-title {
            font-size: 13px;
            font-weight: 600;
            color: #B7B2AA;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-kpi-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }

        .hero-kpi-item {
            background-color: rgba(0,0,0,0.3);
            border-radius: 8px;
            padding: 14px 12px;
            text-align: center;
        }

        .hero-kpi-item .kpi-number {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
        }

        .hero-kpi-item .kpi-label {
            font-size: 11px;
            color: #B7B2AA;
            margin-top: 4px;
            display: block;
        }

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

        .hero-hot-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            font-size: 13px;
        }

        .hero-hot-list li:last-child {
            border-bottom: none;
        }

        .hero-hot-list .hot-rank {
            color: var(--color-accent);
            font-weight: 700;
            font-size: 14px;
            width: 24px;
        }

        .hero-hot-list .hot-name {
            flex: 1;
            margin-left: 8px;
            color: #D5D0C8;
        }

        .hero-hot-list .hot-tag {
            font-size: 11px;
            background-color: rgba(217,119,6,0.2);
            color: var(--color-accent);
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 500;
        }

        @media (max-width: 992px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-section {
                min-height: auto;
                padding: 60px 0 50px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content .hero-subtitle {
                font-size: 14px;
            }
            .hero-panel {
                padding: 16px;
            }
        }

        @media (max-width: 576px) {
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn-primary-custom,
            .hero-buttons .btn-secondary-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-kpi-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 6px;
            }
            .hero-kpi-item {
                padding: 10px 6px;
            }
            .hero-kpi-item .kpi-number {
                font-size: 18px;
            }
        }

        /* ========== Category Entry Matrix ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: var(--card-gap-desktop);
        }

        .category-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: var(--card-padding-desktop);
            text-align: center;
            cursor: pointer;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

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

        .category-card .cat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: rgba(217,119,6,0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .category-card .cat-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-primary-light);
        }

        @media (max-width: 992px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 576px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--card-gap-mobile);
            }
            .category-card {
                padding: var(--card-padding-mobile);
            }
            .category-card .cat-icon {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
            .category-card .cat-name {
                font-size: 12px;
            }
        }

        /* ========== Content Cards ========== */
        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap-desktop);
        }

        .content-card {
            background-color: var(--color-bg-secondary);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .content-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .content-card .card-cover {
            aspect-ratio: 16/9;
            background-size: cover;
            background-position: center;
            position: relative;
            background-color: #2A292E;
        }

        .content-card .card-cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
        }

        .content-card .card-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: var(--color-accent-secondary);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            z-index: 2;
        }

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

        .content-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary-dark);
            margin: 0 0 8px 0;
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-secondary-dark);
        }

        .content-card .card-meta i {
            color: var(--color-accent);
            font-size: 11px;
        }

        @media (max-width: 992px) {
            .content-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .content-card-grid {
                grid-template-columns: 1fr;
                gap: var(--card-gap-mobile);
            }
            .content-card .card-title {
                font-size: 14px;
            }
        }

        /* ========== Ranking List ========== */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap-desktop);
        }

        .rank-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background-color: var(--color-bg-secondary);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 14px 16px;
            cursor: pointer;
            transition: var(--transition-base);
        }

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

        .rank-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            width: 44px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1;
        }

        .rank-card:nth-child(-n+3) .rank-number {
            color: var(--color-accent-secondary);
        }

        .rank-card .rank-info {
            flex: 1;
        }

        .rank-card .rank-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-primary-dark);
            margin: 0 0 4px 0;
            line-height: 1.3;
        }

        .rank-card .rank-desc {
            font-size: 12px;
            color: var(--color-text-secondary-dark);
            margin: 0;
        }

        .rank-card .rank-badge {
            font-size: 11px;
            background-color: rgba(217,119,6,0.2);
            color: var(--color-accent);
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 500;
            white-space: nowrap;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .ranking-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .rank-card {
                gap: 10px;
                padding: 10px 12px;
            }
            .rank-number {
                font-size: 24px;
                width: 32px;
            }
            .rank-card .rank-title {
                font-size: 13px;
            }
        }

        /* ========== Data Strip ========== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            background-color: var(--color-bg-secondary);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 28px 20px;
        }

        .data-item {
            text-align: center;
            border-right: 1px solid var(--color-border-dark);
        }

        .data-item:last-child {
            border-right: none;
        }

        .data-item .data-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
        }

        .data-item .data-label {
            font-size: 13px;
            color: var(--color-text-secondary-dark);
            margin-top: 6px;
            display: block;
        }

        @media (max-width: 768px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px 0;
                padding: 20px 12px;
            }
            .data-item {
                border-right: none;
                border-bottom: 1px solid var(--color-border-dark);
                padding-bottom: 12px;
            }
            .data-item:nth-child(odd) {
                border-right: 1px solid var(--color-border-dark);
            }
            .data-item:nth-last-child(-n+2) {
                border-bottom: none;
                padding-bottom: 0;
            }
            .data-item .data-number {
                font-size: 24px;
            }
            .data-item .data-label {
                font-size: 11px;
            }
        }

        /* ========== Topic/Curation Cards ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap-desktop);
        }

        .topic-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            cursor: pointer;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .topic-card .topic-cover {
            aspect-ratio: 16/7;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .topic-card .topic-body {
            padding: 16px 20px;
        }

        .topic-card .topic-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-primary-light);
            margin: 0 0 6px 0;
        }

        .topic-card .topic-desc {
            font-size: 13px;
            color: var(--color-text-secondary-light);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .topic-card .topic-cover {
                aspect-ratio: 16/9;
            }
        }

        /* ========== Steps / Process ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap-desktop);
        }

        .step-card {
            background-color: var(--color-bg-secondary);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-base);
        }

        .step-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: rgba(217,119,6,0.15);
            color: var(--color-accent);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .step-card .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary-dark);
            margin: 0 0 8px 0;
        }

        .step-card .step-desc {
            font-size: 13px;
            color: var(--color-text-secondary-dark);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: var(--card-gap-mobile);
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
        }

        /* ========== Review Wall / Case Cards ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap-desktop);
        }

        .review-card {
            background-color: var(--color-bg-secondary);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: var(--transition-base);
        }

        .review-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .review-card .review-rating {
            color: var(--color-accent);
            font-size: 14px;
            margin-bottom: 8px;
        }

        .review-card .review-text {
            font-size: 13px;
            color: var(--color-text-secondary-dark);
            line-height: 1.7;
            margin: 0 0 12px 0;
        }

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

        .review-card .review-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: rgba(217,119,6,0.2);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .review-card .review-name {
            font-size: 12px;
            color: var(--color-text-secondary-dark);
            font-weight: 500;
        }

        @media (max-width: 992px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: var(--card-gap-mobile);
            }
            .review-card {
                padding: var(--card-padding-mobile);
            }
        }

        /* ========== Feedback Cards ========== */
        .feedback-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap-desktop);
        }

        .feedback-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            transition: var(--transition-base);
        }

        .feedback-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .feedback-card .feedback-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background-color: rgba(217,119,6,0.12);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto 10px;
        }

        .feedback-card .feedback-rating {
            color: var(--color-accent);
            font-size: 13px;
            margin-bottom: 6px;
        }

        .feedback-card .feedback-text {
            font-size: 13px;
            color: var(--color-text-secondary-light);
            line-height: 1.7;
            margin: 0 0 8px 0;
        }

        .feedback-card .feedback-name {
            font-size: 12px;
            color: var(--color-text-secondary-light);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: var(--card-gap-mobile);
            }
            .feedback-card {
                padding: var(--card-padding-mobile);
            }
        }

        /* ========== News/Update List ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-dark);
            cursor: pointer;
            transition: var(--transition-base);
            gap: 12px;
        }

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

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

        .news-item .news-date {
            font-size: 12px;
            color: var(--color-text-secondary-dark);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-item .news-title {
            font-size: 14px;
            color: var(--color-text-primary-dark);
            flex: 1;
            margin: 0;
            line-height: 1.5;
        }

        .news-item .news-arrow {
            color: var(--color-accent);
            font-size: 13px;
            flex-shrink: 0;
        }

        @media (max-width: 576px) {
            .news-item {
                flex-wrap: wrap;
                gap: 4px;
            }
            .news-item .news-title {
                flex: 1 1 100%;
                order: 1;
            }
            .news-item .news-date {
                order: 2;
            }
        }

        /* ========== Partners ========== */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .partner-item {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 16px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .partner-item:hover {
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }

        .partner-item .partner-logo {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: rgba(217,119,6,0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            margin: 0 auto 8px;
            font-weight: 700;
        }

        .partner-item .partner-name {
            font-size: 12px;
            color: var(--color-text-secondary-light);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 576px) {
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .partner-item {
                padding: 12px;
            }
        }

        /* ========== FAQ Accordion ========== */
        .faq-accordion .accordion-item {
            background-color: var(--color-bg-secondary);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background-color: var(--color-bg-secondary);
            color: var(--color-text-primary-dark);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-card) !important;
            transition: var(--transition-base);
        }

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

        .faq-accordion .accordion-button:focus {
            outline: 2px dashed var(--color-accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 22px;
            font-weight: 300;
            color: var(--color-accent);
            width: auto;
            height: auto;
            line-height: 1;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '−';
            background-image: none;
            transform: none;
        }

        .faq-accordion .accordion-body {
            background-color: var(--color-bg-secondary);
            color: var(--color-text-secondary-dark);
            font-size: 13px;
            line-height: 1.7;
            padding: 0 20px 16px 20px;
        }

        @media (max-width: 576px) {
            .faq-accordion .accordion-button {
                font-size: 13px;
                padding: 13px 16px;
            }
            .faq-accordion .accordion-body {
                font-size: 12px;
                padding: 0 16px 13px 16px;
            }
        }

        /* ========== Safety/Compliance Strip ========== */
        .safety-strip {
            background-color: rgba(45,106,79,0.12);
            border: 1px solid rgba(45,106,79,0.35);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .safety-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .safety-item i {
            color: var(--color-accent-tertiary);
            font-size: 20px;
            flex-shrink: 0;
        }

        .safety-item .safety-text {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-primary-dark);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .safety-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: 16px;
                gap: 12px;
            }
            .safety-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media (max-width: 576px) {
            .safety-strip {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Tag Cloud ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-cloud a {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: 20px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-primary-light);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .tag-cloud a:hover {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(217,119,6,0.25);
        }

        /* ========== CTA Conversion ========== */
        .cta-section {
            background: linear-gradient(135deg, #8E3B46 0%, #6E2D36 40%, #B85F04 100%);
            color: #FFFFFF;
            text-align: center;
            padding: 60px 0;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin: 0 0 12px 0;
            color: #FFFFFF;
        }

        .cta-section .cta-subtitle {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-buttons .btn-primary-custom {
            padding: 14px 32px;
            font-size: 16px;
            background-color: #FFFFFF;
            color: var(--color-accent-hover);
        }

        .cta-buttons .btn-primary-custom:hover {
            background-color: #F0EDE6;
            color: var(--color-accent-hover);
            box-shadow: 0 6px 16px rgba(0,0,0,0.2);
        }

        .cta-buttons .btn-secondary-custom {
            padding: 14px 32px;
            font-size: 16px;
            border-color: rgba(255,255,255,0.7);
            color: #FFFFFF;
        }

        .cta-buttons .btn-secondary-custom:hover {
            background-color: rgba(255,255,255,0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        @media (max-width: 576px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn-primary-custom,
            .cta-buttons .btn-secondary-custom {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--color-bg-primary);
            color: var(--color-text-secondary-dark);
            padding: 48px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--color-border-dark);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-primary-dark);
            margin-bottom: 10px;
        }

        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background-color: var(--color-accent);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 13px;
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--color-text-secondary-dark);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-primary-dark);
            margin: 0 0 14px 0;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--color-text-secondary-dark);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-col .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary-dark);
            margin-bottom: 8px;
        }

        .footer-col .footer-contact-item i {
            color: var(--color-accent);
            font-size: 13px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .footer-bottom {
            padding-top: 16px;
            text-align: center;
            font-size: 12px;
            color: #6B6760;
        }

        .footer-bottom a {
            color: #6B6760;
            text-decoration: none;
        }

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

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
        }

        /* ========== Misc utilities ========== */
        .text-accent {
            color: var(--color-accent);
        }

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

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

/* roulang page: category1 */
:root {
            --color-primary: #1F2A2E;
            --color-accent: #C75B39;
            --color-accent-hover: #A9492D;
            --color-bg: #F6F3EE;
            --color-bg-alt: #EFE9E0;
            --color-bg-dark: #1F2A2E;
            --color-bg-card: #FFFFFF;
            --color-border: #D8CFC2;
            --color-border-dark: #3D474B;
            --color-text: #242221;
            --color-text-secondary: #6B625A;
            --color-text-on-dark: #F8F6F1;
            --color-text-secondary-on-dark: #B7B2AA;
            --color-success: #4A6655;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 24px;
            --radius-badge: 20px;
            --radius-input: 10px;
            --shadow-card: 0 2px 8px rgba(31, 42, 46, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(31, 42, 46, 0.14);
            --shadow-nav: 0 2px 8px rgba(31, 42, 46, 0.05);
            --focus-ring: 0 0 0 3px rgba(199, 91, 57, 0.25);
            --transition: 0.3s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Hiragino Sans GB", sans-serif;
            --section-padding-desktop: 80px 0;
            --section-padding-mobile: 52px 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
        }

        .container {
            max-width: 1160px;
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== 导航 ========== */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-bg-alt);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1050;
            min-height: 64px;
        }

        .site-header .navbar {
            padding: 10px 0;
            min-height: 64px;
        }

        .navbar-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            cursor: pointer;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            font-weight: 700;
        }

        .navbar-nav .nav-link {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 16px;
            position: relative;
            transition: color var(--transition);
            border-radius: 6px;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--color-accent);
        }

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

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-search {
            position: relative;
            min-width: 180px;
        }

        .header-search .form-control {
            border-radius: 20px;
            background: var(--color-bg);
            border: 1px solid var(--color-bg-alt);
            padding: 8px 16px 8px 36px;
            font-size: 13.5px;
            color: var(--color-text);
        }

        .header-search .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: var(--focus-ring);
            background: var(--color-white);
            outline: none;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-secondary);
            font-size: 13px;
            pointer-events: none;
        }

        .header-search .form-control::placeholder {
            color: var(--color-text-secondary);
            font-size: 13px;
        }

        .btn-accent {
            background: var(--color-accent);
            color: var(--color-white);
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(199, 91, 57, 0.3);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-accent:focus-visible {
            outline: 2px dashed var(--color-accent);
            outline-offset: 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 6px 10px;
            font-size: 18px;
            color: var(--color-primary);
        }

        .navbar-toggler:focus {
            box-shadow: var(--focus-ring);
            border-color: var(--color-accent);
        }

        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--color-white);
                border-radius: 0 0 12px 12px;
                padding: 12px 16px;
                border: 1px solid var(--color-bg-alt);
                border-top: none;
                margin-top: 8px;
            }

            .navbar-nav .nav-link {
                padding: 10px 12px;
            }

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

            .header-search {
                margin-top: 8px;
                min-width: auto;
                width: 100%;
            }
        }

        /* ========== 面包屑标题区 ========== */
        .page-hero {
            background: var(--color-bg);
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--color-bg-alt);
        }

        .page-hero h1 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .page-hero .breadcrumb {
            margin-bottom: 0;
            font-size: 13.5px;
            color: var(--color-text-secondary);
        }

        .page-hero .breadcrumb a {
            color: var(--color-text-secondary);
        }

        .page-hero .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .page-hero .breadcrumb .separator {
            margin: 0 8px;
            color: var(--color-border);
        }

        .page-hero .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* ========== 筛选工具栏 ========== */
        .filter-toolbar {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-top: 24px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 16px;
        }

        .filter-toolbar .result-count {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-right: auto;
            white-space: nowrap;
        }

        .filter-toolbar .sort-select {
            min-width: 140px;
            border-radius: var(--radius-input);
            border: 1px solid var(--color-border);
            padding: 8px 14px;
            font-size: 13.5px;
            color: var(--color-text);
            background: var(--color-white);
            cursor: pointer;
            transition: border-color var(--transition);
        }

        .filter-toolbar .sort-select:focus {
            border-color: var(--color-accent);
            box-shadow: var(--focus-ring);
            outline: none;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-tags .tag-btn {
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text-secondary);
            border-radius: var(--radius-badge);
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
        }

        .filter-tags .tag-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .filter-tags .tag-btn.active {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-white);
        }

        .filter-tags .tag-btn:focus-visible {
            outline: 2px dashed var(--color-accent);
            outline-offset: 2px;
        }

        @media (max-width: 576px) {
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }

            .filter-toolbar .result-count {
                margin-right: 0;
            }

            .filter-toolbar .sort-select {
                width: 100%;
            }

            .filter-tags {
                justify-content: flex-start;
            }
        }

        /* ========== 卡片网格 ========== */
        .content-section {
            padding-bottom: 56px;
        }

        .content-section .section-heading {
            margin-bottom: 24px;
        }

        .content-section .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .content-section .section-heading p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .content-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

        .content-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .content-card .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            background: var(--color-bg-alt);
            overflow: hidden;
        }

        .content-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .content-card:hover .card-cover img {
            transform: scale(1.04);
        }

        .content-card .card-cover .badge-category {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            padding: 4px 10px;
            letter-spacing: 0.3px;
        }

        .content-card .card-body-custom {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .content-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            margin-bottom: 2px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-title a {
            color: var(--color-text);
        }

        .content-card .card-title a:hover {
            color: var(--color-accent);
        }

        .content-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 14px;
            font-size: 12.5px;
            color: var(--color-text-secondary);
        }

        .content-card .card-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .content-card .card-meta .meta-item i {
            font-size: 12px;
            color: var(--color-accent);
        }

        .content-card .card-meta .meta-item.hot i {
            color: #E05D3A;
        }

        .content-card .card-footer-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            border-top: 1px solid var(--color-bg-alt);
            margin-top: 2px;
        }

        .content-card .card-footer-custom .update-time {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .content-card .card-footer-custom .view-link {
            font-size: 12.5px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .content-card .card-footer-custom .view-link i {
            font-size: 11px;
            transition: transform var(--transition);
        }

        .content-card .card-footer-custom .view-link:hover {
            color: var(--color-accent-hover);
        }

        .content-card .card-footer-custom .view-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 991px) {
            .content-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 576px) {
            .content-card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .content-card .card-title {
                font-size: 15px;
            }
        }

        /* ========== 分页 ========== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
        }

        .pagination-custom .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
        }

        .pagination-custom .page-link-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .pagination-custom .page-link-custom.active {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
        }

        .pagination-custom .page-link-custom:focus-visible {
            outline: 2px dashed var(--color-accent);
            outline-offset: 2px;
        }

        .pagination-custom .page-link-custom.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        .pagination-custom .load-more-btn {
            padding: 10px 32px;
            font-size: 14px;
            border-radius: var(--radius-btn);
            min-width: 160px;
        }

        @media (max-width: 576px) {
            .pagination-custom .page-link-custom {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }
        }

        /* ========== 相关分类推荐 ========== */
        .related-section {
            background: var(--color-bg-alt);
            padding: 56px 0;
        }

        .related-section .section-heading h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .related-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .related-card .related-icon {
            width: 48px;
            height: 48px;
            background: var(--color-bg-alt);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-accent);
            transition: background var(--transition), color var(--transition);
        }

        .related-card:hover .related-icon {
            background: var(--color-accent);
            color: var(--color-white);
        }

        .related-card .related-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .related-card .related-count {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        @media (max-width: 991px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== CTA横幅 ========== */
        .cta-banner {
            background: var(--color-bg-dark);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(199, 91, 57, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(74, 102, 85, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-banner .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-on-dark);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cta-banner .cta-content p {
            font-size: 15px;
            color: var(--color-text-secondary-on-dark);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .cta-banner .btn-accent {
            padding: 12px 36px;
            font-size: 15px;
        }

        @media (max-width: 576px) {
            .cta-banner {
                padding: 40px 0;
            }

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

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

            .cta-banner .btn-accent {
                padding: 10px 28px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== 更新说明 ========== */
        .update-info-section {
            padding: 56px 0;
            background: var(--color-bg);
        }

        .update-info-section .section-heading h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .update-info-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .update-info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .update-info-item:hover {
            border-color: var(--color-success);
            box-shadow: var(--shadow-card);
        }

        .update-info-item .info-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(74, 102, 85, 0.12);
            color: var(--color-success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .update-info-item .info-text h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .update-info-item .info-text p {
            font-size: 12.5px;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 991px) {
            .update-info-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .update-info-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0;
            background: var(--color-bg-alt);
        }

        .faq-section .section-heading h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .faq-accordion {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-accordion .accordion-item:hover {
            border-color: var(--color-accent);
        }

        .faq-accordion .accordion-button {
            background: var(--color-white);
            color: var(--color-text);
            font-size: 15px;
            font-weight: 600;
            padding: 16px 20px;
            border-radius: var(--radius-card) !important;
            transition: color var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--color-white);
            color: var(--color-accent);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: var(--focus-ring);
            border-color: var(--color-accent);
        }

        .faq-accordion .accordion-button::after {
            content: '+';
            background: none;
            font-size: 22px;
            font-weight: 400;
            color: var(--color-text-secondary);
            transform: none;
            transition: transform var(--transition), color var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--color-accent);
            transform: none;
        }

        .faq-accordion .accordion-body {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 48px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-on-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand .brand-icon {
            background: var(--color-accent);
            color: var(--color-white);
        }

        .site-footer .footer-desc {
            font-size: 13.5px;
            color: var(--color-text-secondary-on-dark);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }

        .site-footer h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-on-dark);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

        .site-footer ul li a {
            color: var(--color-text-secondary-on-dark);
            font-size: 13.5px;
            transition: color var(--transition);
        }

        .site-footer ul li a:hover {
            color: var(--color-accent);
        }

        .site-footer .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 13.5px;
            color: var(--color-text-secondary-on-dark);
        }

        .site-footer .footer-contact-item i {
            color: var(--color-accent);
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding: 18px 0;
            text-align: center;
            font-size: 12.5px;
            color: var(--color-text-secondary-on-dark);
        }

        .site-footer .footer-bottom a {
            color: var(--color-text-secondary-on-dark);
        }

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

        @media (max-width: 991px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .site-footer .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 576px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

        /* ========== 通用板块标题 ========== */
        .section-heading {
            margin-bottom: 20px;
        }

        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .section-heading p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        @media (max-width: 576px) {
            .section-heading h2 {
                font-size: 20px;
            }
        }

        /* ========== 额外重置 ========== */
        .accordion {
            --bs-accordion-border-color: transparent;
            --bs-accordion-border-radius: 0;
            --bs-accordion-bg: transparent;
        }

        .accordion-button:not(.collapsed) {
            box-shadow: none;
        }

        .accordion-item:first-of-type,
        .accordion-item:last-of-type {
            border-radius: var(--radius-card) !important;
        }

        .form-select,
        .form-control {
            border-radius: var(--radius-input);
        }

        .form-select:focus,
        .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: var(--focus-ring);
        }

/* 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}