/* roulang page: index */
:root {
      --bg-page: #F4F7FB;
      --bg-card: #FFFFFF;
      --primary-dark: #0F2B48;
      --primary-navy: #163A63;
      --accent-blue: #1D63FF;
      --accent-hover: #0052CC;
      --accent-soft: rgba(29, 99, 255, 0.08);
      --accent-green: #059669;
      --accent-green-bg: #ECFDF5;
      --border-color: #E2E8F0;
      --border-focus: #B6D4FE;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-sub: #94A3B8;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --shadow-card: 0 1px 3px rgba(15, 43, 72, 0.04), 0 10px 24px -6px rgba(15, 43, 72, 0.05);
      --shadow-hover: 0 12px 30px -4px rgba(29, 99, 255, 0.12);
    }

    /* Reset & Base Setup */
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.68;
      font-size: 15px;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }

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

    .num-tabular {
      font-variant-numeric: tabular-nums;
      font-family: "SF Pro Display", -apple-system, "Segoe UI", Roboto, sans-serif;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    /* Layout Containers */
    .section-block {
      padding-top: 85px;
      padding-bottom: 85px;
      border-bottom: 1px solid var(--border-color);
    }

    .section-head {
      margin-bottom: 48px;
    }

    .section-title {
      color: var(--primary-dark);
      font-size: 1.85rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 0.98rem;
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* Custom Header / Sticky Nav */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1050;
      box-shadow: 0 2px 10px rgba(15, 43, 72, 0.03);
    }

    .nav-container {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand-box {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary-navy), var(--accent-blue));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      font-weight: 800;
      box-shadow: 0 2px 6px rgba(29, 99, 255, 0.25);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .nav-links a {
      color: var(--text-muted);
      font-size: 0.95rem;
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }

    .nav-links a:hover, .nav-links a.active {
      color: var(--accent-blue);
    }

    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--accent-blue);
      border-radius: 2px;
    }

    .nav-cta-area {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .status-badge-inline {
      font-size: 12px;
      color: var(--accent-green);
      background: var(--accent-green-bg);
      border: 1px solid rgba(5, 150, 105, 0.2);
      padding: 4px 10px;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 500;
    }

    .pulse-dot {
      width: 7px;
      height: 7px;
      background-color: var(--accent-green);
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.6);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(5, 150, 105, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0); }
    }

    .btn-nav-primary {
      background: var(--accent-blue);
      color: #fff;
      font-size: 0.9rem;
      font-weight: 600;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--accent-blue);
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-nav-primary:hover {
      background: var(--accent-hover);
      color: #fff;
      box-shadow: 0 4px 12px rgba(29, 99, 255, 0.25);
    }

    /* Hero Section (API / Console Style) */
    .hero-wrapper {
      background: #FFFFFF;
      padding: 70px 0 80px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-h1 {
      color: var(--primary-dark);
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
    }

    .hero-summary {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.75;
      margin-bottom: 30px;
    }

    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 35px;
    }

    .btn-primary-action {
      background: var(--accent-blue);
      color: #ffffff;
      padding: 12px 28px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid var(--accent-blue);
      transition: all 0.2s ease;
    }

    .btn-primary-action:hover {
      background: var(--accent-hover);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(29, 99, 255, 0.3);
    }

    .btn-secondary-action {
      background: #ffffff;
      color: var(--primary-dark);
      padding: 12px 24px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }

    .btn-secondary-action:hover {
      background: var(--bg-page);
      border-color: #cbd5e1;
      color: var(--primary-navy);
    }

    /* Terminal/Console Mockup on Right */
    .console-card {
      background: #0D1E32;
      border-radius: var(--radius-md);
      box-shadow: 0 16px 36px rgba(15, 43, 72, 0.18);
      overflow: hidden;
      border: 1px solid #233C5B;
    }

    .console-header {
      background: #081524;
      padding: 12px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #1c324e;
    }

    .console-dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background: #FF5F56; }
    .dot-yellow { background: #FFBD2E; }
    .dot-green { background: #27C93F; }

    .console-title {
      font-size: 12px;
      font-family: monospace;
      color: #94A3B8;
    }

    .console-body {
      padding: 22px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 13px;
      line-height: 1.7;
      color: #E2E8F0;
    }

    .c-code-comment { color: #627D98; }
    .c-code-keyword { color: #38BDF8; font-weight: 600; }
    .c-code-val { color: #34D399; }
    .c-code-str { color: #FCD34D; }

    /* Universal Cards */
    .biz-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      padding: 28px;
      height: 100%;
      transition: all 0.25s ease;
    }

    .biz-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
      border-color: #B6D4FE;
    }

    /* Metric Cards */
    .metric-card {
      padding: 26px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
    }

    .metric-label {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 8px;
      font-weight: 500;
    }

    .metric-number {
      font-size: 2.1rem;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }

    .metric-sub {
      font-size: 12px;
      color: var(--accent-green);
      display: flex;
      align-items: center;
      gap: 4px;
      font-weight: 600;
    }

    /* Comparison Table Component */
    .comp-box {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: #FFFFFF;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .comp-col-header {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
    }

    .comp-item-row {
      padding: 16px 24px;
      border-bottom: 1px solid #F1F5F9;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 14px;
    }

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

    /* Timeline Section */
    .timeline-wrap {
      position: relative;
      padding: 20px 0;
    }

    .timeline-wrap::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: var(--border-color);
      transform: translateX(-50%);
    }

    .timeline-node {
      position: relative;
      margin-bottom: 40px;
    }

    .timeline-dot {
      position: absolute;
      top: 22px;
      left: 50%;
      transform: translateX(-50%);
      width: 14px;
      height: 14px;
      background: #FFFFFF;
      border: 3px solid var(--accent-blue);
      border-radius: 50%;
      z-index: 2;
    }

    /* Stream Feed Cards */
    .stream-row {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px 24px;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: all 0.2s ease;
    }

    .stream-row:hover {
      border-color: var(--accent-blue);
      background: #FCFDFF;
    }

    .tag-badge {
      font-size: 12px;
      padding: 3px 8px;
      border-radius: 4px;
      background: #EEF2F6;
      color: var(--primary-navy);
      font-weight: 600;
    }

    /* Accordion FAQ Custom */
    .accordion-item {
      border: 1px solid var(--border-color);
      margin-bottom: 12px;
      border-radius: var(--radius-sm) !important;
      overflow: hidden;
      background: #ffffff;
    }

    .accordion-button {
      font-size: 1rem;
      font-weight: 600;
      color: var(--primary-dark);
      background-color: #ffffff;
      padding: 18px 24px;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--accent-blue);
      background-color: #F8FAFD;
    }

    .accordion-body {
      padding: 20px 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    /* Conversion Form Container */
    .conversion-panel {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-card);
    }

    .form-control, .form-select {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 11px 16px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .form-control:focus, .form-select:focus {
      border-color: var(--accent-blue);
      box-shadow: 0 0 0 3px rgba(29, 99, 255, 0.15);
    }

    /* Global Footer */
    .site-footer {
      background: #EEF2F7;
      border-top: 1px solid var(--border-color);
      padding: 65px 0 30px 0;
      color: var(--text-muted);
      font-size: 14px;
    }

    .footer-title {
      color: var(--primary-dark);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

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

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

    .footer-links a {
      color: var(--text-muted);
    }

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

    .footer-bottom {
      margin-top: 45px;
      padding-top: 25px;
      border-top: 1px solid #D8E2EE;
      text-align: center;
      font-size: 13px;
      color: var(--text-sub);
    }

    /* Responsive adjustments */
    @media (max-width: 991px) {
      .hero-h1 { font-size: 2rem; }
      .timeline-wrap::before { left: 24px; }
      .timeline-dot { left: 24px; }
      .timeline-node .col-lg-6 { padding-left: 54px; }
      .section-block { padding-top: 60px; padding-bottom: 60px; }
    }

/* roulang page: category1 */
:root {
            --bg-page: #F4F7FB;
            --bg-card: #FFFFFF;
            --primary-dark: #0F2B48;
            --primary-navy: #163A63;
            --accent-blue: #1D63FF;
            --accent-hover: #0052CC;
            --accent-soft: rgba(29, 99, 255, 0.08);
            --accent-green: #059669;
            --accent-green-bg: #ECFDF5;
            --border-color: #E2E8F0;
            --border-focus: #B6D4FE;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-sub: #94A3B8;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-card: 0 1px 3px rgba(15, 43, 72, 0.04), 0 10px 24px -6px rgba(15, 43, 72, 0.05);
            --shadow-hover: 0 12px 30px -4px rgba(29, 99, 255, 0.12);
        }

        body {
            background-color: var(--bg-page);
            color: var(--text-main);
            font-family: var(--font-stack);
            line-height: 1.68;
            font-size: 15px;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        /* 顶部导航 */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 10px rgba(15, 43, 72, 0.03);
        }
        .nav-container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .brand-box {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary-dark);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary-navy), var(--accent-blue));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            box-shadow: 0 2px 6px rgba(29, 99, 255, 0.25);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-blue);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-blue);
            border-radius: 2px;
        }
        .nav-cta-area {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .status-badge-inline {
            font-size: 12px;
            color: var(--accent-green);
            background: var(--accent-green-bg);
            border: 1px solid rgba(5, 150, 105, 0.2);
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            background-color: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.25);
        }
        .btn-nav-primary {
            background: var(--accent-blue);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-blue);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-nav-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 12px rgba(29, 99, 255, 0.25);
        }

        /* 布局与通用卡片 */
        .category-section {
            padding: 60px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .section-header-wrap {
            margin-bottom: 35px;
        }
        .section-tagline {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-blue);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 6px;
            display: block;
        }
        .section-headline {
            color: var(--primary-dark);
            font-size: 1.65rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin: 0;
        }
        .section-lead {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 8px;
            line-height: 1.6;
        }

        /* 板块1：精简头部与评估问卷卡片 */
        .category-hero {
            background: #ffffff;
            padding: 48px 0 54px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .cat-h1 {
            color: var(--primary-dark);
            font-size: 2.15rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .cat-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .stat-badge-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .stat-badge-item {
            background: var(--bg-page);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            min-width: 170px;
        }
        .stat-badge-num {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary-dark);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }
        .stat-badge-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 自测选型交互组件 */
        .eval-panel {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px;
        }
        .eval-panel-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 12px;
            margin-bottom: 16px;
        }
        .eval-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .eval-tag {
            font-size: 11px;
            background: var(--accent-soft);
            color: var(--accent-blue);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .eval-row {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
        }
        .eval-select {
            font-size: 13px;
            border-color: var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            padding: 8px 12px;
        }
        .eval-select:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(29, 99, 255, 0.12);
        }
        .eval-result-box {
            background: #F8FAFC;
            border: 1px dashed #CBD5E1;
            border-radius: var(--radius-sm);
            padding: 12px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .eval-score {
            font-weight: 700;
            color: var(--accent-green);
            font-variant-numeric: tabular-nums;
        }

        /* 板块2：多维过滤控制台 */
        .filter-console {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
        }
        .filter-group:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .filter-group-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            width: 100px;
            flex-shrink: 0;
        }
        .filter-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-pill {
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            background: #ffffff;
            color: var(--text-main);
            cursor: pointer;
            transition: all 0.15s ease;
        }
        .filter-pill:hover {
            border-color: var(--accent-blue);
            color: var(--accent-blue);
        }
        .filter-pill.active {
            background: var(--accent-blue);
            color: #ffffff;
            border-color: var(--accent-blue);
            box-shadow: 0 2px 6px rgba(29, 99, 255, 0.25);
        }

        /* 板块3：资源矩阵网格 */
        .resource-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .resource-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: #B6D4FE;
        }
        .res-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }
        .res-status-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            background: var(--accent-soft);
            color: var(--accent-blue);
            border: 1px solid rgba(29, 99, 255, 0.2);
        }
        .res-fps {
            font-size: 12px;
            font-family: monospace;
            color: var(--text-sub);
        }
        .res-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.45;
            margin-bottom: 10px;
        }
        .res-meta-line {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            justify-content: space-between;
        }
        .res-meta-val {
            font-family: monospace;
            color: var(--primary-navy);
            font-weight: 600;
        }
        .res-card-btn {
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid #F1F5F9;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .btn-check-item {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-blue);
            background: transparent;
            border: 1px solid var(--accent-blue);
            padding: 5px 12px;
            border-radius: var(--radius-sm);
        }
        .btn-check-item:hover {
            background: var(--accent-blue);
            color: #ffffff;
        }
        .load-more-wrap {
            margin-top: 40px;
            text-align: center;
        }
        .btn-load-more {
            background: #ffffff;
            border: 1px solid var(--border-color);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 12px 36px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            box-shadow: 0 1px 3px rgba(15, 43, 72, 0.05);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-load-more:hover {
            background: #F8FAFC;
            border-color: var(--accent-blue);
            color: var(--accent-blue);
        }

        /* 板块4：技术基准表格 */
        .specs-table-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .specs-table {
            margin: 0;
            width: 100%;
        }
        .specs-table th {
            background: #F8FAFC;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            white-space: nowrap;
        }
        .specs-table td {
            padding: 16px 20px;
            font-size: 13.5px;
            color: var(--text-main);
            border-bottom: 1px solid #F1F5F9;
            vertical-align: middle;
        }
        .specs-table tr:last-child td {
            border-bottom: none;
        }
        .code-tag {
            font-family: monospace;
            font-size: 12px;
            background: #F1F5F9;
            padding: 2px 6px;
            border-radius: 4px;
            color: var(--primary-navy);
        }

        /* 板块5：精选推荐流 */
        .spotlight-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px;
            margin-bottom: 24px;
            transition: all 0.2s ease;
        }
        .spotlight-card:hover {
            border-color: #B6D4FE;
            box-shadow: var(--shadow-hover);
        }
        .spotlight-status-col {
            background: #0D1E32;
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 160px;
        }
        .spotlight-timer {
            font-family: monospace;
            font-size: 12px;
            color: #38BDF8;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .spotlight-meta-grid {
            font-size: 11px;
            color: #94A3B8;
        }

        /* 板块6：FAQ折叠面板 */
        .faq-accordion .accordion-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-dark);
            padding: 18px 22px;
            background: #ffffff;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent-blue);
            background: #F8FAFC;
        }
        .faq-accordion .accordion-body {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            padding: 18px 22px;
            border-top: 1px solid var(--border-color);
            background: #ffffff;
        }

        /* 板块7：更新订阅通知条 */
        .alert-subscribe-card {
            background: linear-gradient(135deg, #0F2B48, #163A63);
            border-radius: var(--radius-md);
            padding: 36px 40px;
            color: #ffffff;
            box-shadow: 0 10px 25px -5px rgba(15, 43, 72, 0.2);
        }
        .alert-title {
            font-size: 1.45rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .alert-desc {
            font-size: 14px;
            color: #94A3B8;
            margin-bottom: 0;
            line-height: 1.6;
        }
        .subscribe-form-group {
            display: flex;
            gap: 10px;
        }
        .subscribe-input {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            width: 100%;
        }
        .subscribe-input::placeholder {
            color: #94A3B8;
        }
        .subscribe-input:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: #38BDF8;
            outline: none;
            box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
            color: #ffffff;
        }
        .btn-subscribe {
            background: var(--accent-blue);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all 0.2s ease;
        }
        .btn-subscribe:hover {
            background: var(--accent-hover);
        }

        /* 全局页脚 */
        .site-footer {
            background: #EEF2F7;
            border-top: 1px solid var(--border-color);
            padding: 65px 0 25px 0;
            color: var(--text-main);
        }
        .footer-title {
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-links a:hover {
            color: var(--accent-blue);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid #D8E2EE;
            text-align: center;
        }

        @media (max-width: 991px) {
            .cat-h1 { font-size: 1.85rem; }
            .category-section { padding: 45px 0; }
            .subscribe-form-group { flex-direction: column; }
            .spotlight-status-col { min-height: auto; margin-bottom: 16px; }
        }
        @media (max-width: 767px) {
            .stat-badge-strip { flex-direction: column; }
            .filter-group { flex-direction: column; align-items: flex-start; gap: 8px; }
            .filter-group-label { width: auto; }
        }

/* 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}