/* roulang page: index */
:root {
            --bg-main: #0B0E14;
            --bg-card: #141824;
            --bg-card-alt: #1A2030;
            --grad-primary: linear-gradient(135deg, #FF9900 0%, #FF3366 100%);
            --grad-hover: linear-gradient(135deg, #FFB800 0%, #FF5E62 100%);
            --accent-yellow: #FFD200;
            --text-title: #FFFFFF;
            --text-body: #A0AEC0;
            --text-muted: #64748B;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(255, 153, 0, 0.4);
            --radius-main: 20px;
            --radius-btn: 50px;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-body);
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-title);
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        /* 顶部导航与分段控件 */
        .site-header {
            background-color: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .brand-logo {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--grad-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .segment-tabs {
            background-color: #121622;
            border-radius: var(--radius-btn);
            padding: 4px;
            display: inline-flex;
            border: 1px solid var(--border-light);
        }

        .segment-tab {
            padding: 7px 20px;
            border-radius: var(--radius-btn);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: all 0.25s ease;
        }

        .segment-tab:hover {
            color: #FFFFFF;
        }

        .segment-tab.active {
            background: var(--grad-primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(255, 51, 102, 0.35);
        }

        /* 核心按钮重塑 */
        .btn-brand-primary {
            background: var(--grad-primary);
            color: #FFFFFF;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 12px 30px;
            border: none;
            box-shadow: 0 6px 20px rgba(255, 153, 0, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .btn-brand-primary:hover {
            background: var(--grad-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 153, 0, 0.45);
        }

        .btn-brand-outline {
            background: rgba(255, 255, 255, 0.04);
            color: #FFFFFF;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            border: 1px solid var(--border-light);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .btn-brand-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-highlight);
            color: #FFFFFF;
        }

        /* 通用卡片规范 */
        .metric-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.5);
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px -4px rgba(255, 153, 0, 0.15);
        }

        /* 数据徽章规范 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 153, 0, 0.1);
            border: 1px solid rgba(255, 153, 0, 0.35);
            color: var(--accent-yellow);
            font-family: 'JetBrains Mono', monospace, system-ui;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            letter-spacing: 0.02em;
        }

        .mono-num {
            font-family: 'JetBrains Mono', monospace, system-ui;
            font-weight: 800;
        }

        /* Hero 样式 */
        .hero-section {
            padding: 90px 0 70px;
            position: relative;
            background: radial-gradient(circle at 50% 10%, rgba(255, 51, 102, 0.12) 0%, transparent 65%);
        }

        .hero-title {
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            line-height: 1.15;
            font-weight: 900;
            margin-bottom: 24px;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-body);
            max-width: 860px;
            margin: 0 auto 36px;
        }

        .hero-stat-badge {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            padding: 24px;
            text-align: center;
        }

        .hero-stat-val {
            font-size: 2.5rem;
            background: var(--grad-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 章节标题 */
        .section-header {
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto;
        }

        /* 对比表格 */
        .table-dark-custom {
            width: 100%;
            background-color: var(--bg-card);
            border-radius: var(--radius-main);
            overflow: hidden;
            border: 1px solid var(--border-light);
            margin: 0;
        }

        .table-dark-custom th, .table-dark-custom td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }

        .table-dark-custom th {
            background-color: var(--bg-card-alt);
            color: #FFFFFF;
            font-weight: 700;
        }

        /* 手风琴重塑 */
        .accordion-item {
            background-color: var(--bg-card) !important;
            border: 1px solid var(--border-light) !important;
            border-radius: 14px !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-button {
            background-color: var(--bg-card) !important;
            color: #FFFFFF !important;
            font-weight: 700;
            padding: 20px 24px;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            background-color: var(--bg-card-alt) !important;
            color: var(--accent-yellow) !important;
        }

        .accordion-button::after {
            filter: invert(1);
        }

        .accordion-body {
            background-color: var(--bg-card);
            color: var(--text-body);
            padding: 20px 24px;
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
        }

        /* 表单输入重塑 */
        .form-control-dark {
            background-color: #0F121C;
            border: 1px solid var(--border-light);
            color: #FFFFFF;
            padding: 14px 20px;
            border-radius: 12px;
        }

        .form-control-dark:focus {
            background-color: #0F121C;
            border-color: #FF9900;
            color: #FFFFFF;
            box-shadow: 0 0 12px rgba(255, 153, 0, 0.35);
            outline: none;
        }

        /* 页脚 */
        .site-footer {
            background-color: #07090D;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            background: var(--grad-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

/* roulang page: article */
:root {
            --bg-main: #0B0E14;
            --bg-card: #141824;
            --bg-card-alt: #1A2030;
            --grad-primary: linear-gradient(135deg, #FF9900 0%, #FF3366 100%);
            --grad-hover: linear-gradient(135deg, #FFB800 0%, #FF5E62 100%);
            --accent-yellow: #FFD200;
            --text-title: #FFFFFF;
            --text-body: #A0AEC0;
            --text-muted: #64748B;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(255, 153, 0, 0.4);
            --radius-main: 20px;
            --radius-btn: 50px;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-body);
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }
        .site-header {
            background-color: rgba(11, 14, 20, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .brand-logo {
            font-size: 1.2rem;
            font-weight: 800;
            background: var(--grad-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .segment-tabs {
            display: inline-flex;
            background-color: #141824;
            padding: 4px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            gap: 4px;
        }
        .segment-tab {
            color: var(--text-body);
            font-size: 0.88rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
        }
        .segment-tab:hover {
            color: #FFFFFF;
        }
        .segment-tab.active {
            background: var(--grad-primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(255, 153, 0, 0.35);
        }
        .btn-brand-primary {
            background: var(--grad-primary);
            color: #FFFFFF;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 12px 30px;
            border: none;
            box-shadow: 0 6px 20px rgba(255, 153, 0, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }
        .btn-brand-primary:hover {
            background: var(--grad-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 153, 0, 0.45);
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 153, 0, 0.1);
            border: 1px solid rgba(255, 153, 0, 0.35);
            color: var(--accent-yellow);
            font-family: 'JetBrains Mono', monospace, system-ui;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            letter-spacing: 0.02em;
        }
        .metric-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.5);
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            position: relative;
            overflow: hidden;
        }
        .metric-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px -4px rgba(255, 153, 0, 0.15);
        }
        .article-hero {
            padding: 60px 0 40px;
            background: radial-gradient(circle at 50% 0%, rgba(255, 153, 0, 0.12) 0%, transparent 70%);
            border-bottom: 1px solid var(--border-light);
        }
        .article-breadcrumbs {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-breadcrumbs a {
            color: var(--text-body);
        }
        .article-breadcrumbs a:hover {
            color: var(--accent-yellow);
        }
        .article-headline {
            font-size: clamp(2rem, 3.8vw, 3rem);
            font-weight: 900;
            color: var(--text-title);
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }
        .meta-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            padding-bottom: 15px;
        }
        .briefing-card {
            background: linear-gradient(145deg, #141824 0%, #171E2E 100%);
            border: 1px solid var(--border-highlight);
            border-radius: var(--radius-main);
            padding: 32px;
            margin: 40px 0;
            position: relative;
        }
        .briefing-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 4px;
            background: var(--grad-primary);
            border-radius: 0 4px 4px 0;
        }
        .editorial-content {
            font-size: 1.1rem;
            color: #C1C9D6;
            line-height: 1.9;
        }
        .editorial-content p {
            margin-bottom: 1.8rem;
        }
        .editorial-content h2 {
            color: var(--text-title);
            font-size: 1.75rem;
            font-weight: 800;
            margin-top: 3rem;
            margin-bottom: 1.4rem;
            padding-left: 16px;
            border-left: 4px solid #FF9900;
        }
        .editorial-content h3 {
            color: var(--text-title);
            font-size: 1.4rem;
            font-weight: 700;
            margin-top: 2.2rem;
            margin-bottom: 1rem;
        }
        .editorial-content blockquote {
            background-color: var(--bg-card-alt);
            border-left: 4px solid #FF3366;
            padding: 24px 28px;
            border-radius: 0 16px 16px 0;
            margin: 2rem 0;
            font-style: normal;
            color: #FFFFFF;
            font-size: 1.15rem;
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }
        .editorial-content table {
            width: 100%;
            margin: 2rem 0;
            border-collapse: collapse;
            background-color: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .editorial-content table th {
            background-color: var(--bg-card-alt);
            color: #FFFFFF;
            padding: 14px 18px;
            font-weight: 700;
            border-bottom: 1px solid var(--border-light);
        }
        .editorial-content table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: var(--text-body);
        }
        .editorial-content ul, .editorial-content ol {
            padding-left: 1.6rem;
            margin-bottom: 1.8rem;
        }
        .editorial-content li {
            margin-bottom: 0.6rem;
        }
        .editorial-content img {
            max-width: 100%;
            height: auto;
            border-radius: 16px;
            border: 1px solid var(--border-light);
            margin: 1.5rem 0;
        }
        .verdict-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            padding: 36px;
            position: relative;
            overflow: hidden;
        }
        .verdict-score-badge {
            background: var(--grad-primary);
            color: #FFFFFF;
            width: 110px;
            height: 110px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            box-shadow: 0 0 25px rgba(255, 153, 0, 0.4);
        }
        .pro-con-card {
            background-color: #0F131D;
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 22px;
            height: 100%;
        }
        .form-control-dark {
            background-color: #0F121C;
            border: 1px solid var(--border-light);
            color: #FFFFFF;
            padding: 14px 20px;
            border-radius: 12px;
        }
        .form-control-dark:focus {
            background-color: #141824;
            border-color: #FF9900;
            color: #FFFFFF;
            box-shadow: 0 0 0 0.25rem rgba(255, 153, 0, 0.25);
        }
        .site-footer {
            background-color: #080A0F;
            border-top: 1px solid var(--border-light);
            padding: 70px 0 35px;
            margin-top: 80px;
        }
        .hover-warning:hover {
            color: var(--accent-yellow) !important;
        }
        .nav-logo-badge {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--grad-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
        }

/* roulang page: category1 */
:root {
            --bg-main: #0B0E14;
            --bg-card: #141824;
            --bg-card-alt: #1A2030;
            --grad-primary: linear-gradient(135deg, #FF9900 0%, #FF3366 100%);
            --grad-hover: linear-gradient(135deg, #FFB800 0%, #FF5E62 100%);
            --accent-yellow: #FFD200;
            --text-title: #FFFFFF;
            --text-body: #A0AEC0;
            --text-muted: #64748B;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(255, 153, 0, 0.4);
            --radius-main: 20px;
            --radius-btn: 50px;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-body);
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        /* 顶部导航与分段控件 */
        .site-header {
            background-color: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .brand-logo {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--grad-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .segment-tabs {
            display: inline-flex;
            background: #121622;
            padding: 4px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            gap: 4px;
        }

        .segment-tab {
            padding: 7px 18px;
            border-radius: var(--radius-btn);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-body);
            transition: all 0.2s ease;
        }

        .segment-tab:hover {
            color: #FFFFFF;
        }

        .segment-tab.active {
            background: var(--grad-primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(255, 153, 0, 0.3);
        }

        /* 核心按钮重塑 */
        .btn-brand-primary {
            background: var(--grad-primary);
            color: #FFFFFF;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 12px 30px;
            border: none;
            box-shadow: 0 6px 20px rgba(255, 153, 0, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .btn-brand-primary:hover {
            background: var(--grad-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 153, 0, 0.45);
        }

        .btn-brand-outline {
            background: rgba(255, 255, 255, 0.04);
            color: #FFFFFF;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            border: 1px solid var(--border-light);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .btn-brand-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-highlight);
            color: #FFFFFF;
        }

        /* 通用卡片规范 */
        .metric-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.5);
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px -4px rgba(255, 153, 0, 0.15);
        }

        /* 数据徽章规范 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 153, 0, 0.1);
            border: 1px solid rgba(255, 153, 0, 0.35);
            color: var(--accent-yellow);
            font-family: 'JetBrains Mono', monospace, system-ui;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            letter-spacing: 0.02em;
        }

        .data-badge-danger {
            background: rgba(255, 51, 102, 0.1);
            border: 1px solid rgba(255, 51, 102, 0.35);
            color: #FF5E62;
        }

        .data-badge-success {
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.35);
            color: #10B981;
        }

        /* 分类标头看板 */
        .category-h1-header {
            background: radial-gradient(circle at 80% 20%, rgba(255, 153, 0, 0.08) 0%, transparent 60%),
                        radial-gradient(circle at 10% 80%, rgba(255, 51, 102, 0.06) 0%, transparent 60%);
            border-bottom: 1px solid var(--border-light);
            padding: 50px 0 45px;
        }

        .category-code {
            font-family: 'JetBrains Mono', monospace, system-ui;
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.08em;
        }

        /* 属性筛选分段控制条 */
        .segmented-filter-bar {
            background: #10141F;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 6px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .filter-btn {
            background: transparent;
            border: none;
            color: var(--text-body);
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .filter-btn:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.05);
        }

        .filter-btn.active {
            background: var(--grad-primary);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(255, 153, 0, 0.3);
        }

        /* 标杆精选宽卡 */
        .featured-headline-card {
            background: linear-gradient(145deg, rgba(26, 32, 48, 0.9) 0%, rgba(20, 24, 36, 0.95) 100%);
            border: 1px solid rgba(255, 153, 0, 0.3);
            border-radius: var(--radius-main);
            box-shadow: 0 16px 40px -6px rgba(0, 0, 0, 0.6);
            position: relative;
            overflow: hidden;
        }

        .featured-headline-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--grad-primary);
        }

        /* 指标对比表 */
        .spec-table-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            overflow: hidden;
        }

        .spec-table {
            width: 100%;
            margin-bottom: 0;
            color: var(--text-body);
            vertical-align: middle;
        }

        .spec-table thead th {
            background-color: #0F131E;
            color: var(--text-title);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
        }

        .spec-table tbody td {
            padding: 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.92rem;
        }

        .spec-table tbody tr:hover td {
            background-color: rgba(255, 153, 0, 0.02);
        }

        /* 标签云与锚点 */
        .tag-chip {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
        }

        .tag-chip:hover {
            border-color: var(--border-highlight);
            color: var(--accent-yellow);
            background: rgba(255, 153, 0, 0.06);
            transform: translateY(-2px);
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #080A0E;
            border-top: 1px solid var(--border-light);
            padding: 70px 0 30px;
        }

        .nav-logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--grad-primary);
            color: #FFFFFF;
            font-size: 1.1rem;
        }

        .hover-warning:hover {
            color: var(--accent-yellow) !important;
        }

        @media (max-width: 991px) {
            .site-header .container {
                flex-direction: column;
                align-items: stretch;
            }
            .segment-tabs {
                overflow-x: auto;
                white-space: nowrap;
                justify-content: flex-start;
            }
        }

/* 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}