/* roulang page: index */
:root {
      --bg-base: #0B0C10;
      --bg-surface: #15171E;
      --bg-card: #1B1E28;
      --bg-card-hover: #222634;
      --brand-orange: #FF5E14;
      --brand-orange-rgb: 255, 94, 20;
      --alert-red: #E63946;
      --score-gold: #FFB703;
      --border-dark: #2A2E3D;
      --text-main: #FFFFFF;
      --text-body: #D1D5DB;
      --text-muted: #8E94A5;
      --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    }

    body {
      background-color: var(--bg-base);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }

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

    /* 顶部卫星连线状态条 */
    .top-status-bar {
      height: 32px;
      background: #060709;
      border-bottom: 1px solid #1E212B;
      font-size: 0.75rem;
      color: var(--text-muted);
      font-family: var(--font-mono);
    }
    .pulse-dot {
      width: 7px;
      height: 7px;
      background: #10B981;
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 6px #10B981;
      margin-right: 6px;
    }

    /* 统一导航栏 */
    .site-nav {
      background: rgba(11, 12, 16, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-dark);
      z-index: 1040;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 900;
      font-style: italic;
      letter-spacing: -0.5px;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo .brand-badge {
      font-size: 0.65rem;
      font-weight: 700;
      font-style: normal;
      background: var(--brand-orange);
      color: #FFF;
      padding: 2px 6px;
      border-radius: 2px;
      text-transform: uppercase;
    }
    .nav-link-custom {
      color: #D1D5DB;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 16px;
      position: relative;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: #FFFFFF;
    }
    .nav-link-custom.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--brand-orange);
      box-shadow: 0 0 8px var(--brand-orange);
    }
    .btn-nav-action {
      background: var(--brand-orange);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.85rem;
      border-radius: 2px;
      padding: 7px 18px;
      border: 1px solid var(--brand-orange);
    }
    .btn-nav-action:hover {
      background: #E04E0C;
      color: #FFFFFF;
      box-shadow: 0 0 12px rgba(255, 94, 20, 0.4);
    }

    /* 板块结构基底 */
    .site-section {
      padding: 72px 0;
      position: relative;
    }
    .section-darker {
      background-color: #0F1015;
    }
    .section-header {
      margin-bottom: 44px;
    }
    .section-eyebrow {
      font-family: var(--font-mono);
      color: var(--brand-orange);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .section-eyebrow::before {
      content: '';
      display: inline-block;
      width: 14px;
      height: 2px;
      background: var(--brand-orange);
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
      max-width: 720px;
    }

    /* 硬朗竞技风格卡片 */
    .tech-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: 3px;
      padding: 24px;
      position: relative;
      transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    }
    .tech-card:hover {
      transform: translateY(-4px);
      border-color: var(--brand-orange);
      box-shadow: 0 8px 24px rgba(255, 94, 20, 0.15);
    }
    .card-level-badge {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 3px 8px;
      background: #10121A;
      border: 1px solid var(--border-dark);
      color: var(--score-gold);
      border-radius: 2px;
    }
    .metric-scale-bar {
      height: 3px;
      background: #111319;
      position: relative;
      margin-top: 18px;
      border-radius: 1px;
      overflow: hidden;
    }
    .metric-scale-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--score-gold), var(--brand-orange));
    }

    /* Hero 分屏控台 */
    .hero-container {
      position: relative;
      background: radial-gradient(circle at 80% 20%, rgba(255, 94, 20, 0.08) 0%, transparent 60%), #0B0C10;
      padding: 64px 0 48px;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: -1px;
      color: #FFFFFF;
      margin-bottom: 20px;
    }
    .hero-lead {
      font-size: 1.05rem;
      color: #9CA3AF;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .btn-hero-primary {
      background: var(--brand-orange);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.95rem;
      border-radius: 3px;
      padding: 12px 28px;
      border: 1px solid var(--brand-orange);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hero-primary:hover {
      background: #E04E0C;
      color: #FFF;
      box-shadow: 0 0 16px rgba(255, 94, 20, 0.4);
    }
    .btn-hero-outline {
      background: transparent;
      color: #D1D5DB;
      font-weight: 600;
      font-size: 0.95rem;
      border-radius: 3px;
      padding: 12px 24px;
      border: 1px solid var(--border-dark);
    }
    .btn-hero-outline:hover {
      border-color: #9CA3AF;
      color: #FFF;
      background: rgba(255,255,255,0.03);
    }
    .hero-monitor {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: 3px;
      overflow: hidden;
      position: relative;
    }
    .monitor-header {
      background: #0C0D12;
      padding: 8px 14px;
      border-bottom: 1px solid var(--border-dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.72rem;
      font-family: var(--font-mono);
      color: var(--text-muted);
    }
    .monitor-viewport {
      position: relative;
      height: 270px;
      overflow: hidden;
    }
    .monitor-viewport img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: contrast(1.1) brightness(0.85);
    }
    .monitor-overlay-code {
      position: absolute;
      bottom: 12px;
      left: 12px;
      right: 12px;
      background: rgba(11, 12, 16, 0.85);
      border: 1px solid rgba(255, 94, 20, 0.4);
      padding: 8px 12px;
      border-radius: 2px;
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: #F3F4F6;
    }
    .ticker-bar {
      margin-top: 40px;
      background: #111319;
      border: 1px solid var(--border-dark);
      padding: 12px 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 0.85rem;
    }

    /* 吞吐数据看板 */
    .metric-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      padding: 24px;
      border-top: 3px solid var(--brand-orange);
      position: relative;
    }
    .metric-num {
      font-family: var(--font-mono);
      font-size: 2.6rem;
      font-weight: 900;
      color: #FFFFFF;
      line-height: 1;
      letter-spacing: -1px;
      margin-bottom: 6px;
    }
    .metric-meta {
      font-size: 0.85rem;
      font-weight: 700;
      color: #D1D5DB;
      margin-bottom: 8px;
    }
    .metric-geo-node {
      font-size: 0.72rem;
      color: var(--text-muted);
      border-top: 1px dashed var(--border-dark);
      padding-top: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 战术步进流程 */
    .round-step-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      padding: 24px;
      height: 100%;
      position: relative;
    }
    .round-num {
      font-family: var(--font-mono);
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--brand-orange);
      letter-spacing: 1px;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .round-status {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--score-gold);
      box-shadow: 0 0 5px var(--score-gold);
    }

    /* 标杆案例卡片 */
    .case-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      overflow: hidden;
      border-radius: 3px;
      height: 100%;
      transition: all 0.25s;
    }
    .case-card:hover {
      border-color: var(--brand-orange);
      transform: translateY(-3px);
    }
    .case-thumb {
      position: relative;
      height: 190px;
      overflow: hidden;
    }
    .case-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s ease;
    }
    .case-card:hover .case-thumb img {
      transform: scale(1.05);
    }
    .case-badge {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(11, 12, 16, 0.85);
      border: 1px solid var(--brand-orange);
      color: #FFF;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 2px;
    }
    .case-body {
      padding: 20px;
    }
    .case-meta-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px solid var(--border-dark);
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 资讯快讯 */
    .news-spotlight {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      height: 100%;
      border-radius: 3px;
      overflow: hidden;
    }
    .news-spotlight img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .news-item-strip {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      padding: 16px 20px;
      margin-bottom: 12px;
      border-radius: 2px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: border-color 0.2s, background 0.2s;
    }
    .news-item-strip:hover {
      border-color: var(--brand-orange);
      background: var(--bg-card);
    }

    /* 合作伙伴与分发生态 */
    .partner-tile {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      padding: 18px 12px;
      text-align: center;
      font-weight: 700;
      font-size: 0.85rem;
      color: #9CA3AF;
      border-radius: 2px;
      transition: all 0.2s;
    }
    .partner-tile:hover {
      color: #FFFFFF;
      border-color: #4B5563;
      background: var(--bg-card);
    }

    /* 合规条约缎带 */
    .assurance-ribbon {
      background: #11131A;
      border: 1px solid var(--border-dark);
      padding: 20px 24px;
      border-radius: 3px;
    }
    .assurance-icon {
      width: 42px;
      height: 42px;
      background: #1B1E28;
      border: 1px solid var(--brand-orange);
      color: var(--brand-orange);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      border-radius: 2px;
      margin-bottom: 12px;
    }

    /* 分类入口海报三联张 */
    .category-poster-card {
      background: linear-gradient(180deg, #1A1D27 0%, #111319 100%);
      border: 1px solid var(--border-dark);
      border-radius: 3px;
      padding: 32px 24px;
      position: relative;
      overflow: hidden;
      transition: all 0.25s ease;
    }
    .category-poster-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--brand-orange);
    }
    .category-poster-card:hover {
      transform: translateY(-4px);
      border-color: var(--brand-orange);
      box-shadow: 0 12px 28px rgba(255, 94, 20, 0.2);
    }
    .category-poster-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 10px;
    }

    /* 技术规约对比表 */
    .compare-box {
      border: 1px solid var(--border-dark);
      border-radius: 3px;
      padding: 24px;
      background: var(--bg-surface);
      height: 100%;
    }
    .compare-box.bad {
      border-left: 4px solid var(--alert-red);
    }
    .compare-box.good {
      border-left: 4px solid #10B981;
    }

    /* FAQ 手风琴 */
    .accordion-custom .accordion-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      margin-bottom: 12px;
      border-radius: 2px !important;
      overflow: hidden;
    }
    .accordion-custom .accordion-button {
      background: var(--bg-surface);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 0.95rem;
      box-shadow: none;
      padding: 18px 22px;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      color: var(--brand-orange);
      background: #171A23;
      border-bottom: 1px solid var(--border-dark);
    }
    .accordion-custom .accordion-button::after {
      filter: invert(1);
    }
    .accordion-custom .accordion-body {
      background: #12141C;
      color: #9CA3AF;
      font-size: 0.9rem;
      line-height: 1.7;
      padding: 20px 22px;
    }

    /* CTA 紧急排单区 */
    .cta-stage {
      background: radial-gradient(circle at 50% 50%, #1A1D27 0%, #0D0E13 100%);
      border: 1px solid var(--brand-orange);
      box-shadow: inset 0 0 20px rgba(255, 94, 20, 0.15), 0 0 30px rgba(255, 94, 20, 0.1);
      padding: 48px 36px;
      border-radius: 4px;
    }

    /* 统一页脚 */
    .site-footer {
      background: #07080B;
      border-top: 1px solid var(--border-dark);
      padding: 60px 0 28px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .footer-heading {
      color: #FFFFFF;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: -0.2px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--brand-orange);
    }
    .footer-bottom {
      border-top: 1px solid #171922;
      margin-top: 48px;
      padding-top: 24px;
      font-size: 0.78rem;
    }

    @media (max-width: 991px) {
      .hero-h1 {
        font-size: 2.15rem;
      }
      .hero-monitor {
        margin-top: 32px;
      }
      .site-section {
        padding: 54px 0;
      }
    }

/* roulang page: category1 */
:root {
        --bg-base: #0B0C10;
        --bg-surface: #15171E;
        --bg-card: #1B1E28;
        --bg-card-hover: #222634;
        --brand-orange: #FF5E14;
        --brand-orange-rgb: 255, 94, 20;
        --alert-red: #E63946;
        --score-gold: #FFB703;
        --border-dark: #2A2E3D;
        --text-main: #FFFFFF;
        --text-body: #D1D5DB;
        --text-muted: #8E94A5;
        --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    }
    body {
        background-color: var(--bg-base);
        color: var(--text-body);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        line-height: 1.65;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: all 0.25s ease-in-out;
    }
    .site-nav {
        background: rgba(11, 12, 16, 0.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-dark);
        z-index: 1040;
    }
    .brand-logo {
        font-size: 1.35rem;
        font-weight: 900;
        font-style: italic;
        letter-spacing: -0.5px;
        color: #FFFFFF;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .brand-logo .brand-badge {
        font-size: 0.65rem;
        font-weight: 700;
        font-style: normal;
        background: var(--brand-orange);
        color: #FFF;
        padding: 2px 6px;
        border-radius: 2px;
        text-transform: uppercase;
    }
    .nav-link-custom {
        color: #D1D5DB;
        font-weight: 600;
        font-size: 0.92rem;
        padding: 8px 16px;
        position: relative;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
        color: #FFFFFF;
    }
    .nav-link-custom.active::after {
        content: '';
        position: absolute;
        bottom: -1px;
        left: 16px;
        right: 16px;
        height: 2px;
        background: var(--brand-orange);
        box-shadow: 0 0 8px var(--brand-orange);
    }
    .btn-nav-action {
        background: var(--brand-orange);
        color: #FFFFFF;
        font-weight: 700;
        font-size: 0.85rem;
        border-radius: 2px;
        padding: 7px 18px;
        border: 1px solid var(--brand-orange);
    }
    .btn-nav-action:hover {
        background: #E04E0C;
        color: #FFFFFF;
        box-shadow: 0 0 12px rgba(255, 94, 20, 0.4);
    }

    /* 分类页定制样式 */
    .cat-lead-header {
        background: radial-gradient(circle at 15% 40%, rgba(255, 94, 20, 0.12) 0%, transparent 55%), #111319;
        border-bottom: 1px solid var(--border-dark);
        padding: 56px 0 44px;
        position: relative;
    }
    .cat-badge-geo {
        font-family: var(--font-mono);
        font-size: 0.75rem;
        font-weight: 700;
        letter-spacing: 1.5px;
        color: var(--brand-orange);
        background: rgba(255, 94, 20, 0.1);
        border: 1px solid rgba(255, 94, 20, 0.3);
        padding: 4px 10px;
        display: inline-block;
        margin-bottom: 14px;
    }
    .cat-title {
        font-size: 2.4rem;
        font-weight: 900;
        color: #FFFFFF;
        letter-spacing: -0.8px;
        margin-bottom: 12px;
    }
    .cat-subline {
        color: var(--text-body);
        font-size: 1rem;
        max-width: 760px;
        line-height: 1.7;
    }
    .cat-stat-board {
        background: var(--bg-surface);
        border: 1px solid var(--border-dark);
        padding: 16px 20px;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        text-align: left;
    }
    .cat-stat-val {
        font-size: 1.6rem;
        font-weight: 800;
        color: #FFFFFF;
        font-family: var(--font-mono);
        line-height: 1.2;
    }
    .cat-stat-lbl {
        font-size: 0.75rem;
        color: var(--text-muted);
        text-transform: uppercase;
        margin-top: 4px;
    }

    /* 赛程多维筛选条 */
    .filter-section {
        background: #0D0E13;
        border-bottom: 1px solid var(--border-dark);
        padding: 20px 0;
    }
    .filter-row {
        display: flex;
        align-items: center;
        margin-bottom: 10px;
        font-size: 0.88rem;
    }
    .filter-row:last-child {
        margin-bottom: 0;
    }
    .filter-label {
        font-family: var(--font-mono);
        color: var(--text-muted);
        width: 110px;
        font-size: 0.8rem;
        flex-shrink: 0;
        text-transform: uppercase;
    }
    .filter-pills {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .filter-pill {
        padding: 4px 12px;
        background: var(--bg-surface);
        border: 1px solid var(--border-dark);
        color: var(--text-body);
        font-size: 0.82rem;
        border-radius: 2px;
        cursor: pointer;
        transition: all 0.2s;
    }
    .filter-pill:hover, .filter-pill.active {
        background: var(--brand-orange);
        color: #FFFFFF;
        border-color: var(--brand-orange);
    }

    /* 资源案例主体网格 */
    .resource-card {
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: 2px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        height: 100%;
        transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
    }
    .resource-card:hover {
        border-color: var(--brand-orange);
        transform: translateY(-4px);
        box-shadow: 0 10px 24px rgba(255, 94, 20, 0.15);
    }
    .card-cover {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 9;
        background: #000;
        overflow: hidden;
    }
    .card-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        filter: brightness(0.88) contrast(1.05);
        transition: transform 0.3s;
    }
    .resource-card:hover .card-cover img {
        transform: scale(1.04);
    }
    .cover-tag-left {
        position: absolute;
        top: 10px;
        left: 10px;
        background: rgba(11, 12, 16, 0.85);
        border: 1px solid var(--border-dark);
        color: var(--score-gold);
        font-family: var(--font-mono);
        font-size: 0.7rem;
        font-weight: 700;
        padding: 2px 8px;
    }
    .cover-timecode {
        position: absolute;
        bottom: 8px;
        right: 10px;
        background: rgba(0, 0, 0, 0.85);
        color: #FFF;
        font-family: var(--font-mono);
        font-size: 0.72rem;
        padding: 2px 6px;
        border-radius: 2px;
    }
    .card-body-custom {
        padding: 20px;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }
    .card-item-title {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .card-item-desc {
        color: var(--text-muted);
        font-size: 0.88rem;
        line-height: 1.6;
        margin-bottom: 16px;
        flex-grow: 1;
    }
    .card-meta-bar {
        border-top: 1px solid var(--border-dark);
        padding-top: 12px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.8rem;
        color: var(--text-muted);
        font-family: var(--font-mono);
    }
    .btn-load-more {
        background: #1B1E28;
        border: 1px solid var(--border-dark);
        color: #FFFFFF;
        font-weight: 700;
        font-size: 0.92rem;
        padding: 12px 36px;
        border-radius: 2px;
        transition: all 0.25s;
    }
    .btn-load-more:hover {
        background: var(--brand-orange);
        border-color: var(--brand-orange);
        color: #FFFFFF;
        box-shadow: 0 0 16px rgba(255, 94, 20, 0.35);
    }

    /* 术语风向榜 */
    .rank-board-card {
        background: var(--bg-surface);
        border: 1px solid var(--border-dark);
        padding: 24px;
    }
    .rank-row-item {
        display: flex;
        align-items: center;
        padding: 12px 0;
        border-bottom: 1px solid rgba(42, 46, 61, 0.6);
    }
    .rank-row-item:last-child {
        border-bottom: none;
    }
    .rank-index {
        font-family: var(--font-mono);
        font-size: 1.1rem;
        font-weight: 800;
        width: 36px;
        color: var(--text-muted);
    }
    .rank-index.top1 { color: var(--brand-orange); }
    .rank-index.top2 { color: var(--alert-red); }
    .rank-index.top3 { color: var(--score-gold); }
    .rank-term-origin {
        font-weight: 700;
        color: var(--text-main);
        font-size: 0.95rem;
        width: 140px;
    }
    .rank-term-target {
        color: var(--brand-orange);
        font-size: 0.92rem;
        width: 160px;
        font-weight: 600;
    }
    .rank-term-context {
        color: var(--text-muted);
        font-size: 0.85rem;
        flex-grow: 1;
    }
    .rank-heat {
        font-family: var(--font-mono);
        font-size: 0.78rem;
        background: #111319;
        border: 1px solid var(--border-dark);
        padding: 2px 8px;
        color: var(--score-gold);
    }

    /* 跨时区质检体系卡片 */
    .dual-node-card {
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        padding: 28px;
        height: 100%;
        position: relative;
    }
    .timeline-dial {
        display: flex;
        justify-content: space-between;
        margin: 20px 0;
        padding: 12px;
        background: #10121A;
        border: 1px dashed var(--border-dark);
        font-family: var(--font-mono);
        font-size: 0.75rem;
    }
    .dial-node.active {
        color: var(--brand-orange);
        font-weight: 700;
    }

    /* 问答网格 */
    .faq-grid-card {
        background: var(--bg-surface);
        border: 1px solid var(--border-dark);
        padding: 22px;
        height: 100%;
    }
    .faq-q {
        font-size: 1.05rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 10px;
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .faq-q i {
        color: var(--brand-orange);
        margin-top: 4px;
        font-size: 0.9rem;
    }
    .faq-a {
        color: var(--text-body);
        font-size: 0.9rem;
        line-height: 1.65;
    }

    /* 分类专属 CTA 条 */
    .cat-action-banner {
        background: linear-gradient(90deg, #161821 0%, #1D212E 100%);
        border: 1px solid var(--brand-orange);
        padding: 36px 32px;
        position: relative;
    }
    .cat-action-btn {
        background: var(--brand-orange);
        color: #FFF;
        font-weight: 700;
        padding: 14px 32px;
        border-radius: 2px;
        border: 1px solid var(--brand-orange);
        white-space: nowrap;
    }
    .cat-action-btn:hover {
        background: #E04E0C;
        color: #FFF;
        box-shadow: 0 0 16px rgba(255, 94, 20, 0.4);
    }

    /* 页脚与公用样式 */
    .site-footer {
        background: #07080B;
        border-top: 1px solid var(--border-dark);
        padding: 60px 0 30px;
    }
    .footer-heading {
        font-size: 0.9rem;
        font-weight: 700;
        color: #FFF;
        letter-spacing: 0.5px;
        margin-bottom: 18px;
        text-transform: uppercase;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 8px;
    }
    .footer-links a {
        color: var(--text-muted);
        font-size: 0.88rem;
    }
    .footer-links a:hover {
        color: #FFF;
        padding-left: 4px;
    }
    .footer-bottom {
        border-top: 1px solid #1A1C24;
        margin-top: 48px;
        padding-top: 24px;
        font-size: 0.82rem;
    }
    @media (max-width: 991px) {
        .cat-stat-board {
            margin-top: 24px;
        }
        .rank-term-context {
            display: none;
        }
    }
    @media (max-width: 575px) {
        .cat-title {
            font-size: 1.85rem;
        }
        .cat-stat-board {
            grid-template-columns: 1fr;
        }
        .filter-row {
            flex-direction: column;
            align-items: flex-start;
        }
        .filter-label {
            margin-bottom: 6px;
        }
    }

/* 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}