/* roulang page: index */
:root {
            --bg-base: #121418;
            --bg-surface: #1B1E24;
            --bg-elevated: #232730;
            --text-main: #F3F4F6;
            --text-muted: #9CA3AF;
            --accent-orange: #FF4D17;
            --status-green: #00E676;
            --status-yellow: #FFB300;
            --border-color: #2D323C;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: var(--font-stack);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        /* 顶部导航与分类滑动槽 */
        .site-header {
            background-color: rgba(18, 20, 24, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1020;
        }

        .brand-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .pulse-indicator {
            width: 9px;
            height: 9px;
            background-color: var(--status-green);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.6);
            animation: livePulse 2s infinite;
        }

        @keyframes livePulse {
            0% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
            70% { box-shadow: 0 0 0 7px rgba(0, 230, 118, 0); }
            100% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
        }

        .chip-nav-container {
            border-top: 1px solid var(--border-subtle);
            padding: 8px 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .chip-nav-container::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            white-space: nowrap;
            display: inline-block;
            padding: 5px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            background-color: var(--bg-surface);
            color: var(--text-muted);
            border: 1px solid var(--border-subtle);
            margin-right: 8px;
            transition: all 0.2s ease;
        }
        .nav-chip:hover {
            color: #FFFFFF;
            background-color: var(--bg-elevated);
            border-color: var(--border-color);
        }
        .nav-chip.active {
            background-color: var(--accent-orange);
            color: #FFFFFF;
            border-color: var(--accent-orange);
            font-weight: 600;
        }

        /* 布局卡片与视觉基础 */
        .workspace-card {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 24px;
            transition: transform 0.2s ease, border-color 0.2s ease;
            height: 100%;
        }
        .workspace-card:hover {
            border-color: #434B59;
            transform: translateY(-2px);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 3px 8px;
            border-radius: 4px;
            background-color: rgba(255, 77, 23, 0.12);
            color: var(--accent-orange);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .metric-val {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.1;
            color: #FFFFFF;
            letter-spacing: -1px;
        }
        .metric-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .btn-ctrl {
            background-color: var(--accent-orange);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 6px;
            border: 1px solid var(--accent-orange);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
        }
        .btn-ctrl:hover {
            background-color: #E03E0D;
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(255, 77, 23, 0.25);
        }

        .btn-outline-ctrl {
            background-color: transparent;
            color: var(--text-main);
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }
        .btn-outline-ctrl:hover {
            background-color: var(--bg-elevated);
            color: #FFFFFF;
            border-color: #4A5260;
        }

        /* 监视器视窗与微结构 */
        .viewport-monitor {
            background-color: #0B0D10;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 16px;
        }
        .monitor-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-subtle);
            padding-bottom: 10px;
            margin-bottom: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 警示面板 */
        .alert-card {
            background-color: rgba(27, 30, 36, 0.7);
            border-left: 3px solid var(--status-yellow);
            border-top: 1px solid var(--border-subtle);
            border-right: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            border-radius: 0 6px 6px 0;
            padding: 18px;
            height: 100%;
        }

        /* 表格定制 */
        .custom-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background-color: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
        }
        .custom-table th {
            background-color: var(--bg-elevated);
            color: var(--text-main);
            padding: 14px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            border-bottom: 1px solid var(--border-color);
        }
        .custom-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .custom-table tr:last-child td {
            border-bottom: none;
        }

        /* 手风琴覆盖 */
        .accordion-item {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-color);
            margin-bottom: 10px;
            border-radius: 6px !important;
            overflow: hidden;
        }
        .accordion-button {
            background-color: var(--bg-surface);
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: none !important;
            padding: 18px 20px;
        }
        .accordion-button:not(.collapsed) {
            background-color: var(--bg-elevated);
            color: var(--accent-orange);
        }
        .accordion-button::after {
            filter: invert(0.8);
        }
        .accordion-body {
            background-color: var(--bg-surface);
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            border-top: 1px solid var(--border-subtle);
            padding: 18px 20px;
        }

        /* 进度条 */
        .progress-bar-custom {
            height: 6px;
            background-color: var(--bg-elevated);
            border-radius: 3px;
            overflow: hidden;
            margin-top: 8px;
        }
        .progress-bar-fill {
            height: 100%;
            background-color: var(--status-green);
        }

        /* 页脚 */
        .site-footer {
            background-color: #0E1013;
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.45rem;
            }
            .metric-val {
                font-size: 1.8rem;
            }
        }

/* roulang page: category1 */
:root {
      --bg-base: #121418;
      --bg-surface: #1B1E24;
      --bg-elevated: #232730;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --accent-orange: #FF4D17;
      --status-green: #00E676;
      --status-yellow: #FFB300;
      --border-color: #2D323C;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    .pulse-indicator {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--status-green);
      box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
      animation: pulse 1.8s infinite;
      vertical-align: middle;
      margin-right: 4px;
    }
    @keyframes pulse {
      0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
      }
      70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(0, 230, 118, 0);
      }
      100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 230, 118, 0);
      }
    }
    .site-header {
      background-color: rgba(18, 20, 24, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-text {
      font-size: 1.2rem;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: -0.5px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .chip-nav-container {
      border-top: 1px solid var(--border-subtle);
      padding: 8px 0;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .chip-nav-container::-webkit-scrollbar {
      display: none;
    }
    .nav-chip {
      white-space: nowrap;
      display: inline-block;
      padding: 5px 14px;
      border-radius: 6px;
      font-size: 0.85rem;
      background-color: var(--bg-surface);
      color: var(--text-muted);
      border: 1px solid var(--border-subtle);
      margin-right: 8px;
      transition: all 0.2s ease;
    }
    .nav-chip:hover {
      color: #FFFFFF;
      background-color: var(--bg-elevated);
      border-color: var(--border-color);
    }
    .nav-chip.active {
      background-color: var(--accent-orange);
      color: #FFFFFF;
      border-color: var(--accent-orange);
      font-weight: 600;
    }
    .workspace-card {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 24px;
      transition: transform 0.2s ease, border-color 0.2s ease;
      height: 100%;
    }
    .workspace-card:hover {
      border-color: #434B59;
      transform: translateY(-2px);
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 3px 8px;
      border-radius: 4px;
      background-color: rgba(255, 77, 23, 0.12);
      color: var(--accent-orange);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
      color: #FFFFFF;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .btn-ctrl {
      background-color: var(--accent-orange);
      color: #FFFFFF;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 10px 22px;
      border-radius: 6px;
      border: 1px solid var(--accent-orange);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-ctrl:hover {
      background-color: #E03E0D;
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(255, 77, 23, 0.25);
    }
    .btn-outline-ctrl {
      background-color: transparent;
      color: var(--text-main);
      font-size: 0.9rem;
      padding: 10px 20px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-outline-ctrl:hover {
      background-color: var(--bg-elevated);
      color: #FFFFFF;
      border-color: #4A5260;
    }
    .monitor-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-subtle);
      padding-bottom: 10px;
      margin-bottom: 16px;
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .badge-soft {
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 4px;
      background-color: rgba(255, 255, 255, 0.06);
      color: var(--text-main);
      border: 1px solid var(--border-subtle);
    }
    .badge-green {
      background-color: rgba(0, 230, 118, 0.12);
      color: var(--status-green);
      border: 1px solid rgba(0, 230, 118, 0.25);
    }
    .badge-yellow {
      background-color: rgba(255, 179, 0, 0.12);
      color: var(--status-yellow);
      border: 1px solid rgba(255, 179, 0, 0.25);
    }
    .badge-orange {
      background-color: rgba(255, 77, 23, 0.12);
      color: var(--accent-orange);
      border: 1px solid rgba(255, 77, 23, 0.25);
    }
    .filter-chip-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
    }
    .filter-chip {
      font-size: 0.8rem;
      padding: 4px 12px;
      border-radius: 4px;
      background-color: var(--bg-surface);
      color: var(--text-muted);
      border: 1px solid var(--border-color);
      cursor: pointer;
      user-select: none;
      transition: all 0.15s ease;
    }
    .filter-chip:hover, .filter-chip.active {
      color: #FFFFFF;
      background-color: var(--bg-elevated);
      border-color: var(--accent-orange);
    }
    .filter-chip.active {
      background-color: rgba(255, 77, 23, 0.15);
      color: var(--accent-orange);
      font-weight: 600;
    }
    .spec-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      font-size: 0.88rem;
    }
    .spec-table th {
      background-color: var(--bg-elevated);
      color: var(--text-muted);
      font-weight: 600;
      padding: 12px 16px;
      border-bottom: 1px solid var(--border-color);
    }
    .spec-table td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--border-subtle);
      color: var(--text-main);
      background-color: var(--bg-surface);
    }
    .spec-table tr:hover td {
      background-color: var(--bg-elevated);
    }
    .trouble-card {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 20px;
      height: 100%;
    }
    .trouble-wrong {
      background-color: rgba(255, 77, 23, 0.08);
      border-left: 3px solid var(--accent-orange);
      padding: 10px 14px;
      border-radius: 0 4px 4px 0;
      margin-bottom: 12px;
      font-size: 0.85rem;
      color: #FF8A65;
    }
    .trouble-right {
      background-color: rgba(0, 230, 118, 0.08);
      border-left: 3px solid var(--status-green);
      padding: 10px 14px;
      border-radius: 0 4px 4px 0;
      font-size: 0.85rem;
      color: #B9F6CA;
    }
    .metric-tile {
      background-color: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 20px;
      text-align: center;
    }
    .metric-value {
      font-size: 2.2rem;
      font-weight: 700;
      line-height: 1.1;
      margin-bottom: 6px;
      letter-spacing: -0.5px;
    }
    .cta-banner {
      background: linear-gradient(135deg, #1E232B 0%, #15181E 100%);
      border: 1px solid var(--border-color);
      border-top: 2px solid var(--accent-orange);
      border-radius: 8px;
      padding: 40px 32px;
    }
    .site-footer {
      background-color: #0E1013;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
    }

/* 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}