/* roulang page: index */
:root {
            --brand-primary: #0F4C81;
            --brand-ultramarine: #1A73E8;
            --brand-accent: #00B4D8;
            --status-green: #10B981;
            --status-orange: #F59E0B;
            --canvas-bg: #F8FAFC;
            --canvas-subtle: #F1F5F9;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --card-border: rgba(15, 76, 129, 0.12);
            --hud-glow: rgba(26, 115, 232, 0.25);
            --card-shadow: 0 4px 20px -2px rgba(15, 76, 129, 0.06);
            --card-hover-shadow: 0 16px 32px -4px rgba(15, 76, 129, 0.14);
            --transition-base: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--canvas-bg);
            color: var(--text-body);
            line-height: 1.68;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        /* 顶部通栏导航 */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--card-border);
            position: sticky;
            top: 0;
            z-index: 1020;
            backdrop-filter: blur(12px);
            background-color: rgba(255, 255, 255, 0.95);
        }
        .navbar-brand {
            font-size: 1.28rem;
            font-weight: 800;
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            letter-spacing: -0.5px;
        }
        .navbar-brand .hud-badge-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-ultramarine));
            color: #fff;
            border-radius: 8px;
            margin-right: 10px;
            box-shadow: 0 4px 12px var(--hud-glow);
            clip-path: polygon(0 0, 100% 0, 100% 80%, 80% 100%, 0 100%);
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-body) !important;
            padding: 0.6rem 1.1rem !important;
            border-radius: 6px;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--brand-ultramarine) !important;
            background: rgba(26, 115, 232, 0.08);
        }

        /* 节点定位组件 */
        .location-selector {
            background: var(--canvas-subtle);
            border: 1px solid var(--card-border);
            padding: 6px 14px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .location-selector:hover {
            border-color: var(--brand-ultramarine);
            background: #fff;
            box-shadow: 0 2px 10px rgba(15, 76, 129, 0.08);
        }
        .pulse-led {
            width: 8px;
            height: 8px;
            background-color: var(--status-green);
            border-radius: 50%;
            margin-right: 8px;
            position: relative;
        }
        .pulse-led::after {
            content: "";
            position: absolute;
            top: -3px;
            left: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: rgba(16, 185, 129, 0.4);
            animation: pulse-ring 2s infinite ease-out;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.6); opacity: 1; }
            100% { transform: scale(1.8); opacity: 0; }
        }

        /* 核心板块公共类 */
        .section-padding {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        .section-header {
            margin-bottom: 3.5rem;
        }
        .section-kicker {
            font-size: 0.82rem;
            font-weight: 800;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--brand-ultramarine);
            background: rgba(26, 115, 232, 0.09);
            padding: 4px 12px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.15rem;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 战术卡片与HUD元素 */
        .tactical-card {
            background: #ffffff;
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            transition: var(--transition-base);
            height: 100%;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .tactical-card:hover {
            border-color: var(--brand-ultramarine);
            box-shadow: var(--card-hover-shadow);
            transform: translateY(-4px);
        }
        .corner-notch {
            position: relative;
        }
        .corner-notch::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 14px;
            height: 14px;
            background: linear-gradient(135deg, transparent 50%, var(--brand-ultramarine) 50%);
            border-top-right-radius: 10px;
        }

        /* 战术按钮 */
        .btn-brand-solid {
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-ultramarine));
            color: #ffffff;
            font-weight: 700;
            padding: 0.75rem 1.8rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 4px 16px rgba(15, 76, 129, 0.25);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
        }
        .btn-brand-solid:hover {
            color: #ffffff;
            box-shadow: 0 8px 24px var(--hud-glow);
            transform: translateY(-2px);
        }
        .btn-brand-outline {
            background: transparent;
            color: var(--brand-primary);
            font-weight: 700;
            padding: 0.75rem 1.8rem;
            border-radius: 8px;
            border: 1.5px solid var(--brand-primary);
            transition: var(--transition-base);
        }
        .btn-brand-outline:hover {
            background: rgba(15, 76, 129, 0.05);
            color: var(--brand-ultramarine);
            border-color: var(--brand-ultramarine);
        }

        /* 板块1：Hero主看板 */
        .hero-section {
            background: radial-gradient(circle at 85% 15%, rgba(0, 180, 216, 0.08) 0%, transparent 60%),
                        linear-gradient(180deg, #FFFFFF 0%, var(--canvas-bg) 100%);
            padding-top: 4.5rem;
            padding-bottom: 5.5rem;
            border-bottom: 1px solid var(--card-border);
        }
        .hero-title {
            font-size: 2.85rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 1.5rem;
        }
        .hero-lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .hud-monitor-box {
            background: #0B1E36;
            color: #E2E8F0;
            border-radius: 14px;
            border: 1px solid rgba(0, 180, 216, 0.35);
            padding: 1.8rem;
            box-shadow: 0 20px 40px -10px rgba(11, 30, 54, 0.4);
            position: relative;
        }
        .hud-monitor-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 12px;
            margin-bottom: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .latency-chart-bar {
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            overflow: hidden;
            margin-top: 6px;
        }
        .latency-fill {
            height: 100%;
            background: linear-gradient(90deg, #10B981, #00B4D8);
        }

        /* 板块2：全区功能分组矩阵 */
        .zone-badge {
            font-size: 0.78rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 1rem;
        }
        .zone-1-badge { background: rgba(16, 185, 129, 0.12); color: #047857; }
        .zone-2-badge { background: rgba(26, 115, 232, 0.12); color: #1D4ED8; }
        .zone-3-badge { background: rgba(245, 158, 11, 0.12); color: #B45309; }

        /* 板块4：多区架构截图演示看板 */
        .console-mockup {
            background: #FFFFFF;
            border: 1px solid var(--card-border);
            border-radius: 14px;
            box-shadow: 0 20px 45px -10px rgba(15, 76, 129, 0.12);
            overflow: hidden;
        }
        .console-mockup-top {
            background: var(--canvas-subtle);
            padding: 10px 18px;
            border-bottom: 1px solid var(--card-border);
            display: flex;
            align-items: center;
        }
        .console-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-right: 6px;
        }

        /* 板块5：低延迟战报指标 */
        .battle-stat-row {
            background: var(--canvas-subtle);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            padding: 1rem;
            margin-bottom: 12px;
            transition: var(--transition-base);
        }
        .battle-stat-row:hover {
            border-color: var(--brand-ultramarine);
            background: #fff;
        }

        /* 板块6：套餐价格卡 */
        .pricing-card {
            border: 1px solid var(--card-border);
            border-radius: 14px;
            background: #FFFFFF;
            padding: 2.4rem 2rem;
            transition: var(--transition-base);
            height: 100%;
            position: relative;
        }
        .pricing-card.featured {
            border: 2px solid var(--brand-ultramarine);
            box-shadow: 0 12px 36px -4px rgba(26, 115, 232, 0.18);
            transform: scale(1.02);
        }
        .price-tag {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1;
        }

        /* 板块8：指标大屏 */
        .metric-big-num {
            font-size: 3.2rem;
            font-weight: 900;
            color: var(--brand-primary);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        /* 板块9：拓扑图节点 */
        .topology-node {
            border: 1px dashed var(--brand-ultramarine);
            background: rgba(26, 115, 232, 0.03);
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            position: relative;
        }

        /* 手风琴 FAQ */
        .accordion-item {
            border: 1px solid var(--card-border);
            margin-bottom: 12px;
            border-radius: 10px !important;
            overflow: hidden;
        }
        .accordion-button {
            font-weight: 700;
            color: var(--text-heading);
            background-color: #ffffff;
            box-shadow: none !important;
            padding: 1.25rem 1.5rem;
        }
        .accordion-button:not(.collapsed) {
            color: var(--brand-ultramarine);
            background-color: rgba(26, 115, 232, 0.04);
        }
        .accordion-body {
            color: var(--text-body);
            line-height: 1.8;
            padding: 1.25rem 1.5rem 1.5rem;
        }

        /* 底部收口行动区 */
        .cta-banner {
            background: linear-gradient(135deg, #0F4C81 0%, #1A73E8 100%);
            border-radius: 18px;
            padding: 3.8rem 2.5rem;
            color: #ffffff;
            box-shadow: 0 20px 40px -10px rgba(15, 76, 129, 0.35);
        }

        /* 全局页脚 */
        .site-footer {
            background: #0B1E36;
            color: #94A3B8;
            padding-top: 4.5rem;
            padding-bottom: 2.5rem;
            font-size: 0.92rem;
        }
        .site-footer h6 {
            color: #F8FAFC;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }
        .site-footer a:hover {
            color: #38BDF8;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 3.5rem;
            padding-top: 1.8rem;
        }

        @media (max-width: 991.98px) {
            .hero-title { font-size: 2.2rem; }
            .section-title { font-size: 1.8rem; }
            .pricing-card.featured { transform: none; margin-top: 1.5rem; margin-bottom: 1.5rem; }
            .location-selector { margin-top: 12px; margin-bottom: 8px; display: inline-flex; }
        }

/* roulang page: category1 */
:root {
      --brand-primary: #0F4C81;
      --brand-ultramarine: #1A73E8;
      --brand-accent: #00B4D8;
      --status-green: #10B981;
      --status-orange: #F59E0B;
      --canvas-bg: #F8FAFC;
      --canvas-subtle: #F1F5F9;
      --text-heading: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --card-border: rgba(15, 76, 129, 0.12);
      --hud-glow: rgba(26, 115, 232, 0.25);
      --card-shadow: 0 4px 20px -2px rgba(15, 76, 129, 0.06);
      --card-hover-shadow: 0 16px 32px -4px rgba(15, 76, 129, 0.14);
      --transition-base: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--canvas-bg);
      color: var(--text-body);
      line-height: 1.68;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-base);
    }
    
    /* 顶部通栏导航 */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--card-border);
      position: sticky;
      top: 0;
      z-index: 1020;
      backdrop-filter: blur(12px);
      background-color: rgba(255, 255, 255, 0.95);
    }
    .navbar-brand {
      font-size: 1.28rem;
      font-weight: 800;
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      letter-spacing: -0.5px;
    }
    .navbar-brand .hud-badge-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--brand-primary), var(--brand-ultramarine));
      color: #fff;
      border-radius: 8px;
      margin-right: 10px;
      box-shadow: 0 4px 12px var(--hud-glow);
      clip-path: polygon(0 0, 100% 0, 100% 80%, 80% 100%, 0 100%);
    }
    .nav-link {
      font-weight: 600;
      color: var(--text-body) !important;
      padding: 0.6rem 1.1rem !important;
      border-radius: 6px;
      transition: var(--transition-base);
      font-size: 0.95rem;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--brand-ultramarine) !important;
      background: rgba(26, 115, 232, 0.08);
    }
    .nav-location-picker {
      background: var(--canvas-subtle);
      border: 1px solid var(--card-border);
      padding: 0.45rem 0.9rem;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-heading);
      display: flex;
      align-items: center;
      cursor: pointer;
    }
    .pulse-led {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: var(--status-green);
      border-radius: 50%;
      margin-right: 8px;
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* 核心板块公共类 */
    .section-padding {
      padding-top: 4.5rem;
      padding-bottom: 4.5rem;
    }
    .section-header {
      margin-bottom: 3rem;
    }
    .section-kicker {
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--brand-ultramarine);
      background: rgba(26, 115, 232, 0.09);
      padding: 4px 12px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-heading);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }
    .tactical-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: 10px;
      padding: 1.75rem;
      box-shadow: var(--card-shadow);
      transition: var(--transition-base);
      height: 100%;
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .tactical-card:hover {
      border-color: var(--brand-ultramarine);
      box-shadow: var(--card-hover-shadow);
      transform: translateY(-4px);
    }
    .btn-brand-solid {
      background: linear-gradient(135deg, var(--brand-primary), var(--brand-ultramarine));
      color: #ffffff;
      font-weight: 700;
      padding: 0.65rem 1.4rem;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      box-shadow: 0 4px 14px rgba(15, 76, 129, 0.2);
      transition: var(--transition-base);
      font-size: 0.92rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn-brand-solid:hover {
      color: #ffffff;
      box-shadow: 0 8px 20px var(--hud-glow);
      transform: translateY(-2px);
    }
    .btn-brand-outline {
      background: transparent;
      color: var(--brand-primary);
      font-weight: 700;
      padding: 0.65rem 1.4rem;
      border-radius: 6px;
      border: 1.5px solid var(--brand-primary);
      transition: var(--transition-base);
      font-size: 0.92rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn-brand-outline:hover {
      background: rgba(15, 76, 129, 0.05);
      color: var(--brand-ultramarine);
      border-color: var(--brand-ultramarine);
    }

    /* 分类专属首屏导引 */
    .cat-header-section {
      background: linear-gradient(180deg, #FFFFFF 0%, var(--canvas-subtle) 100%);
      padding-top: 2.8rem;
      padding-bottom: 2.8rem;
      border-bottom: 1px solid var(--card-border);
    }
    .tactical-breadcrumb {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }
    .tactical-breadcrumb a {
      color: var(--brand-primary);
    }
    .tactical-breadcrumb a:hover {
      color: var(--brand-ultramarine);
    }
    .cat-h1 {
      font-size: 2.35rem;
      font-weight: 800;
      color: var(--text-heading);
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 1rem;
    }
    .cat-radar-panel {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: 10px;
      padding: 1.5rem;
      box-shadow: var(--card-shadow);
      position: relative;
      overflow: hidden;
    }
    .cat-radar-panel::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(180deg, var(--brand-ultramarine), var(--brand-accent));
    }

    /* 筛选条组件 */
    .filter-bar-wrapper {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: 10px;
      padding: 1.25rem;
      box-shadow: var(--card-shadow);
    }
    .filter-group-label {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-right: 0.8rem;
    }
    .filter-btn {
      border: 1px solid var(--card-border);
      background: var(--canvas-subtle);
      color: var(--text-body);
      font-size: 0.88rem;
      font-weight: 600;
      padding: 0.35rem 0.85rem;
      border-radius: 6px;
      transition: var(--transition-base);
    }
    .filter-btn:hover, .filter-btn.active {
      background: var(--brand-primary);
      color: #ffffff;
      border-color: var(--brand-primary);
    }
    .search-input-tactical {
      background: var(--canvas-subtle);
      border: 1px solid var(--card-border);
      border-radius: 6px;
      font-size: 0.9rem;
      padding: 0.45rem 0.9rem;
    }
    .search-input-tactical:focus {
      border-color: var(--brand-ultramarine);
      box-shadow: 0 0 0 3px var(--hud-glow);
      outline: none;
      background: #ffffff;
    }

    /* 资源卡片网格特定 */
    .res-badge {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .badge-q1 { background: rgba(16, 185, 129, 0.12); color: #059669; }
    .badge-q2 { background: rgba(26, 115, 232, 0.12); color: #1d4ed8; }
    .badge-q3 { background: rgba(245, 158, 11, 0.12); color: #b45309; }
    
    .hud-metric-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.45rem 0;
      border-bottom: 1px dashed rgba(15, 76, 129, 0.1);
      font-size: 0.85rem;
    }
    .hud-metric-row:last-child {
      border-bottom: none;
    }
    .latency-val {
      font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-weight: 700;
      color: var(--status-green);
    }

    /* 战术参数对比表格 */
    .tactical-table {
      background: #ffffff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--card-border);
      margin-bottom: 0;
    }
    .tactical-table th {
      background: var(--canvas-subtle);
      color: var(--text-heading);
      font-weight: 700;
      font-size: 0.92rem;
      padding: 1rem 1.25rem;
      border-bottom: 2px solid var(--card-border);
    }
    .tactical-table td {
      padding: 1rem 1.25rem;
      font-size: 0.9rem;
      vertical-align: middle;
      border-bottom: 1px solid rgba(15, 76, 129, 0.08);
    }
    .tactical-table tr:hover td {
      background: rgba(26, 115, 232, 0.02);
    }

    /* FAQ 手风琴重塑 */
    .accordion-tactical .accordion-item {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: 8px !important;
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .accordion-tactical .accordion-button {
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-heading);
      padding: 1.2rem 1.4rem;
      background: #ffffff;
      box-shadow: none;
    }
    .accordion-tactical .accordion-button:not(.collapsed) {
      color: var(--brand-ultramarine);
      background: rgba(26, 115, 232, 0.04);
      border-bottom: 1px solid var(--card-border);
    }
    .accordion-tactical .accordion-body {
      padding: 1.2rem 1.4rem;
      color: var(--text-body);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    /* 底部CTA条 */
    .cat-cta-strip {
      background: linear-gradient(135deg, #0F4C81 0%, #1A73E8 100%);
      border-radius: 12px;
      padding: 3rem 2.5rem;
      color: #ffffff;
      position: relative;
      overflow: hidden;
    }
    .cat-cta-strip::before {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 200px;
      height: 200px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 50%;
    }

    /* 页脚 */
    .tactical-footer {
      background: #0B192C;
      color: #94A3B8;
      padding-top: 4.5rem;
      padding-bottom: 2.5rem;
      border-top: 3px solid var(--brand-primary);
    }
    .tactical-footer .hover-white:hover {
      color: #ffffff !important;
    }

    /* 响应式微调 */
    @media (max-width: 991.98px) {
      .cat-h1 { font-size: 1.85rem; }
      .section-title { font-size: 1.75rem; }
      .nav-location-picker { margin-top: 0.8rem; width: fit-content; }
    }

/* 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}