/* roulang page: index */
:root {
      --bg-main: #050a18;
      --bg-card: rgba(13, 27, 62, 0.72);
      --bg-card-hover: rgba(18, 36, 82, 0.85);
      --bg-glass: rgba(10, 20, 48, 0.55);
      --primary-cyan: #00f0ff;
      --primary-blue: #0066ff;
      --accent-purple: #7928ca;
      --accent-gold: #ffaa00;
      --text-white: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-cyan: rgba(0, 240, 255, 0.18);
      --border-cyan-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
      --shadow-card: 0 12px 36px 0 rgba(0, 0, 0, 0.5);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    a:hover, a:focus {
      color: var(--primary-cyan);
      text-decoration: none;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Header & Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 10, 24, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 22px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 2px;
      transition: color 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-cyan);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -12px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: 0 0 8px var(--primary-cyan);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      position: relative;
    }
    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      color: var(--text-white);
      padding: 6px 14px 6px 34px;
      font-size: 13px;
      width: 170px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .nav-search input:focus {
      width: 210px;
      border-color: var(--primary-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    .nav-search svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      color: #030816;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 20px;
      border-radius: 30px;
      box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      color: #000;
    }

    /* Section Global Standards */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-head.text-left {
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-cyan);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-white);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-body);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.8;
    }
    .section-head.text-left .section-desc {
      margin: 0;
    }

    /* Glass Cards */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    .glass-card:hover {
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 40px rgba(0, 240, 255, 0.12);
      transform: translateY(-3px);
      background: var(--bg-card-hover);
    }

    /* Section 1: Hero with Self-test Visual */
    .hero-section {
      padding: 70px 0 90px;
      background: radial-gradient(circle at 50% 20%, rgba(0, 102, 255, 0.18), transparent 70%),
                  radial-gradient(circle at 80% 80%, rgba(121, 40, 202, 0.15), transparent 60%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .hero-h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-white);
      margin-bottom: 20px;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, var(--primary-cyan), #3b82f6);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-summary {
      font-size: 16px;
      line-height: 1.85;
      color: var(--text-body);
      margin-bottom: 30px;
    }
    .hero-metrics-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 32px;
    }
    .metric-pill {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(0, 240, 255, 0.12);
      padding: 14px;
      border-radius: var(--radius-sm);
    }
    .metric-val {
      font-size: 24px;
      font-weight: 700;
      color: var(--primary-cyan);
      font-family: monospace;
    }
    .metric-lbl {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* Hero Widget Card */
    .hero-widget {
      background: rgba(13, 27, 62, 0.85);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 16px 45px rgba(0, 0, 0, 0.6);
    }
    .widget-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-white);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .widget-group {
      margin-bottom: 16px;
    }
    .widget-label {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: block;
    }
    .widget-options {
      display: flex;
      gap: 8px;
    }
    .opt-chip {
      flex: 1;
      text-align: center;
      padding: 8px;
      font-size: 13px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--text-body);
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .opt-chip.active {
      background: rgba(0, 240, 255, 0.15);
      border-color: var(--primary-cyan);
      color: var(--primary-cyan);
      font-weight: 600;
    }
    .preview-box {
      background: #060e24;
      border-radius: 8px;
      padding: 14px;
      border-left: 3px solid var(--primary-cyan);
      margin-top: 20px;
      font-size: 13px;
    }
    .preview-box .stat-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 6px;
    }
    .preview-box .stat-row:last-child {
      margin-bottom: 0;
    }

    /* Section 2: Services Matrix */
    .service-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      border: 1px solid var(--border-cyan);
    }
    .service-icon svg {
      width: 22px;
      height: 22px;
      fill: var(--primary-cyan);
    }
    .card-heading {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 10px;
    }
    .card-text {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* Section 3: Performance Comparison */
    .compare-table-wrap {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      margin: 0;
      background: transparent;
      color: var(--text-body);
    }
    .compare-table th {
      background: rgba(0, 240, 255, 0.06);
      color: var(--text-white);
      padding: 16px 20px;
      font-size: 14px;
      text-transform: uppercase;
      border-bottom: 1px solid var(--border-cyan);
    }
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 14px;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table .highlight {
      color: var(--primary-cyan);
      font-weight: 600;
    }

    /* Section 4: Architecture Timeline */
    .timeline-wrap {
      position: relative;
      padding-left: 28px;
      border-left: 2px solid rgba(0, 240, 255, 0.25);
    }
    .timeline-node {
      position: relative;
      margin-bottom: 34px;
    }
    .timeline-node:last-child {
      margin-bottom: 0;
    }
    .timeline-dot {
      position: absolute;
      left: -35px;
      top: 4px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary-cyan);
      box-shadow: 0 0 10px var(--primary-cyan);
    }
    .node-year {
      font-size: 12px;
      color: var(--primary-cyan);
      font-family: monospace;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .node-title {
      font-size: 17px;
      color: var(--text-white);
      font-weight: 600;
      margin-bottom: 6px;
    }
    .node-detail {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* Section 5: Category Entry Matrix */
    .cat-tile {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      display: block;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .cat-tile:hover {
      border-color: var(--primary-cyan);
      transform: translateY(-4px);
      box-shadow: 0 10px 30px rgba(0, 240, 255, 0.2);
    }
    .cat-tile-badge {
      display: inline-block;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      background: rgba(0, 240, 255, 0.1);
      color: var(--primary-cyan);
      margin-bottom: 12px;
    }
    .cat-tile-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
    }
    .cat-tile-desc {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* Section 6: CMS News Cards */
    .cms-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: all 0.3s ease;
    }
    .cms-card:hover {
      border-color: var(--primary-cyan);
      transform: translateY(-4px);
      box-shadow: 0 12px 35px rgba(0, 240, 255, 0.15);
    }
    .cms-thumb {
      height: 170px;
      position: relative;
      overflow: hidden;
      background: #08122d;
    }
    .cms-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .cms-card:hover .cms-thumb img {
      transform: scale(1.05);
    }
    .cms-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .cms-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
    }
    .cms-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 10px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .cms-summary {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex-grow: 1;
    }
    .cms-link {
      font-size: 13px;
      color: var(--primary-cyan);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* Section 7: Multi-end Devices Grid */
    .device-box {
      border: 1px dashed rgba(0, 240, 255, 0.3);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      background: rgba(10, 20, 48, 0.4);
      height: 100%;
    }
    .device-icon-wrap {
      width: 50px;
      height: 50px;
      margin: 0 auto 16px;
      background: rgba(0, 240, 255, 0.06);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .device-icon-wrap svg {
      width: 24px;
      height: 24px;
      fill: var(--primary-cyan);
    }
    .device-title {
      color: var(--text-white);
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .device-param {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 8: Quality Assurance */
    .qa-card {
      border-left: 3px solid var(--primary-blue);
      padding-left: 20px;
      margin-bottom: 24px;
    }
    .qa-card:last-child {
      margin-bottom: 0;
    }
    .qa-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 6px;
    }
    .qa-desc {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* Section 9: Playback Steps */
    .step-pill {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      height: 100%;
    }
    .step-num {
      font-size: 32px;
      font-weight: 800;
      color: rgba(0, 240, 255, 0.2);
      position: absolute;
      right: 20px;
      top: 14px;
      font-family: monospace;
    }
    .step-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 8px;
    }
    .step-text {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* Section 10: Radar & Reputation */
    .rep-meter {
      background: rgba(255, 255, 255, 0.04);
      border-radius: 20px;
      height: 8px;
      overflow: hidden;
      margin: 10px 0 16px;
    }
    .rep-progress {
      height: 100%;
      background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
      border-radius: 20px;
    }

    /* Section 11: FAQ Accordion */
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 22px;
      font-weight: 600;
      font-size: 15px;
      color: var(--text-white);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(13, 27, 62, 0.4);
    }
    .faq-answer {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
    }

    /* Section 12: Subscription & Feedback CTA */
    .cta-container {
      background: radial-gradient(circle at center, rgba(0, 102, 255, 0.2), transparent 70%), var(--bg-card);
      border: 1px solid var(--border-cyan-active);
      border-radius: var(--radius-lg);
      padding: 50px 30px;
      text-align: center;
      box-shadow: var(--shadow-glow);
    }
    .cta-form {
      max-width: 560px;
      margin: 24px auto 0;
      display: flex;
      gap: 12px;
    }
    .cta-input {
      flex: 1;
      background: rgba(5, 10, 24, 0.8);
      border: 1px solid var(--border-cyan);
      border-radius: 30px;
      padding: 12px 20px;
      color: var(--text-white);
      font-size: 14px;
      outline: none;
      height: auto;
      margin: 0;
    }
    .cta-input:focus {
      border-color: var(--primary-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
    }

    /* Footer */
    .site-footer {
      background: #02050e;
      border-top: 1px solid rgba(0, 240, 255, 0.15);
      padding: 70px 0 30px;
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      transition: color 0.25s ease;
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      text-align: center;
      font-size: 12px;
    }
    .footer-bottom a {
      color: var(--text-body);
    }
    .footer-bottom a:hover {
      color: var(--primary-cyan);
    }

    /* Responsive Overrides */
    @media print, screen and (max-width: 63.99875em) {
      .nav-menu {
        display: none;
      }
      .hero-h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .hero-metrics-strip {
        grid-template-columns: 1fr;
      }
      .cta-form {
        flex-direction: column;
      }
    }

/* roulang page: article */
:root {
      --bg-main: #050a18;
      --bg-card: rgba(13, 27, 62, 0.72);
      --bg-card-hover: rgba(18, 36, 82, 0.85);
      --bg-glass: rgba(10, 20, 48, 0.55);
      --primary-cyan: #00f0ff;
      --primary-blue: #0066ff;
      --accent-purple: #7928ca;
      --accent-gold: #ffaa00;
      --text-white: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-cyan: rgba(0, 240, 255, 0.18);
      --border-cyan-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
      --shadow-card: 0 12px 36px 0 rgba(0, 0, 0, 0.5);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      margin: 0;
      padding: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    a:hover, a:focus {
      color: var(--primary-cyan);
      text-decoration: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Header & Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 10, 24, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 22px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 2px;
      transition: color 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-cyan);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -12px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: 0 0 8px var(--primary-cyan);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      position: relative;
    }
    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      color: var(--text-white);
      padding: 6px 14px 6px 34px;
      font-size: 13px;
      width: 170px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .nav-search input:focus {
      width: 210px;
      border-color: var(--primary-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    .nav-search svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      color: #030816;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 20px;
      border-radius: 30px;
      box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      color: #000;
    }

    /* Common Components */
    section {
      padding: 60px 0;
      position: relative;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      letter-spacing: 1.5px;
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-cyan);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-white);
      line-height: 1.35;
      margin-bottom: 12px;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      height: 100%;
    }
    .glass-card:hover {
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 40px rgba(0, 240, 255, 0.12);
      transform: translateY(-3px);
      background: var(--bg-card-hover);
    }

    /* Article Breadcrumb & Top Bar */
    .article-topbar {
      padding: 24px 0;
      background: rgba(10, 20, 48, 0.45);
      border-bottom: 1px solid rgba(0, 240, 255, 0.08);
    }
    .breadcrumb-nav {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .breadcrumb-nav a {
      color: var(--text-body);
    }
    .breadcrumb-nav a:hover {
      color: var(--primary-cyan);
    }
    .breadcrumb-nav .sep {
      color: rgba(255, 255, 255, 0.2);
    }
    .breadcrumb-nav .current {
      color: var(--primary-cyan);
      max-width: 480px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* Article Hero */
    .article-header-section {
      padding: 45px 0 35px;
      background: radial-gradient(circle at 50% 10%, rgba(0, 102, 255, 0.15), transparent 70%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .article-main-h1 {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.35;
      color: var(--text-white);
      margin-bottom: 20px;
    }
    .article-meta-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 16px;
    }
    .article-meta-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .article-meta-item svg {
      width: 14px;
      height: 14px;
      fill: var(--primary-cyan);
    }
    .badge-resolution {
      background: rgba(0, 240, 255, 0.12);
      border: 1px solid var(--primary-cyan);
      color: var(--primary-cyan);
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* Specs Banner */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .spec-item {
      background: rgba(5, 12, 32, 0.7);
      border: 1px solid rgba(0, 240, 255, 0.12);
      border-radius: var(--radius-sm);
      padding: 14px 18px;
    }
    .spec-label {
      font-size: 12px;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 4px;
    }
    .spec-val {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-white);
    }

    /* Core Reading Area */
    .article-reading-section {
      padding: 50px 0;
    }
    .article-body-wrapper {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-card);
    }
    .article-lead-box {
      border-left: 3px solid var(--primary-cyan);
      background: rgba(0, 240, 255, 0.04);
      padding: 18px 24px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin-bottom: 34px;
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-white);
    }
    .article-content-body {
      font-size: 16px;
      line-height: 1.95;
      color: #cbd5e1;
    }
    .article-content-body p {
      margin-bottom: 22px;
    }
    .article-content-body h2 {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-white);
      margin: 38px 0 16px;
      padding-bottom: 8px;
      border-bottom: 1px solid rgba(0, 240, 255, 0.15);
    }
    .article-content-body h3 {
      font-size: 20px;
      font-weight: 600;
      color: var(--primary-cyan);
      margin: 28px 0 14px;
    }
    .article-content-body ul, .article-content-body ol {
      margin-left: 24px;
      margin-bottom: 24px;
    }
    .article-content-body li {
      margin-bottom: 8px;
    }
    .article-content-body blockquote {
      border-left: 3px solid var(--accent-purple);
      background: rgba(121, 40, 202, 0.08);
      padding: 16px 22px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin: 26px 0;
      color: #e2e8f0;
      font-style: italic;
    }
    .article-inline-heroimg {
      border-radius: var(--radius-md);
      border: 1px solid var(--border-cyan);
      margin: 32px 0;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    }
    .article-inline-heroimg img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .article-inline-heroimg:hover img {
      transform: scale(1.02);
    }
    .article-img-caption {
      padding: 10px 16px;
      background: rgba(5, 10, 24, 0.9);
      font-size: 13px;
      color: var(--text-muted);
      text-align: center;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    /* Key Takeaways Section */
    .takeaways-card {
      background: linear-gradient(135deg, rgba(13, 27, 62, 0.9), rgba(10, 20, 48, 0.95));
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 24px;
    }
    .takeaways-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(0, 240, 255, 0.12);
      border: 1px solid var(--primary-cyan);
      color: var(--primary-cyan);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      margin-bottom: 14px;
    }
    .takeaways-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
    }
    .takeaways-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* Nav Prev/Next Buttons */
    .post-switcher {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 40px;
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .switcher-card {
      display: block;
      padding: 18px 22px;
      background: rgba(13, 27, 62, 0.5);
      border: 1px solid rgba(0, 240, 255, 0.12);
      border-radius: var(--radius-md);
      transition: all 0.3s ease;
    }
    .switcher-card:hover {
      background: rgba(18, 36, 82, 0.85);
      border-color: var(--primary-cyan);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 240, 255, 0.15);
    }
    .switcher-dir {
      font-size: 12px;
      color: var(--primary-cyan);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 6px;
    }
    .switcher-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-white);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* Related Grid */
    .related-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: all 0.3s ease;
    }
    .related-card:hover {
      border-color: var(--border-cyan-active);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 240, 255, 0.15);
    }
    .related-thumb {
      height: 160px;
      width: 100%;
      object-fit: cover;
    }
    .related-body {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .related-tag {
      font-size: 11px;
      color: var(--primary-cyan);
      margin-bottom: 6px;
    }
    .related-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-white);
      line-height: 1.5;
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .related-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: auto;
    }

    /* Guarantee Disclaimer */
    .disclaimer-card {
      background: rgba(6, 13, 30, 0.9);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-left: 4px solid var(--accent-gold);
      border-radius: var(--radius-sm);
      padding: 22px 26px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* Footer */
    .site-footer {
      background: #030611;
      border-top: 1px solid var(--border-cyan);
      padding: 70px 0 30px;
      margin-top: 60px;
    }
    .footer-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-title::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--primary-cyan);
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-body);
      transition: color 0.25s ease;
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 26px;
      margin-top: 45px;
      font-size: 12px;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* Empty state */
    .not-found-card {
      text-align: center;
      padding: 80px 20px;
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-lg);
    }
    .not-found-card h2 {
      font-size: 28px;
      color: var(--text-white);
      margin-bottom: 16px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .specs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .nav-menu {
        display: none;
      }
      .article-main-h1 {
        font-size: 26px;
      }
      .article-body-wrapper {
        padding: 24px 18px;
      }
      .specs-grid {
        grid-template-columns: 1fr;
      }
      .post-switcher {
        grid-template-columns: 1fr;
      }
      .article-inline-heroimg img {
        height: 220px;
      }
    }

/* roulang page: category1 */
:root {
      --bg-main: #050a18;
      --bg-card: rgba(13, 27, 62, 0.72);
      --bg-card-hover: rgba(18, 36, 82, 0.85);
      --bg-glass: rgba(10, 20, 48, 0.55);
      --primary-cyan: #00f0ff;
      --primary-blue: #0066ff;
      --accent-purple: #7928ca;
      --accent-gold: #ffaa00;
      --text-white: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-cyan: rgba(0, 240, 255, 0.18);
      --border-cyan-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
      --shadow-card: 0 12px 36px 0 rgba(0, 0, 0, 0.5);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    a:hover, a:focus {
      color: var(--primary-cyan);
      text-decoration: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 10, 24, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 22px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 2px;
      transition: color 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-cyan);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -12px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: 0 0 8px var(--primary-cyan);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      position: relative;
    }
    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      color: var(--text-white);
      padding: 6px 14px 6px 34px;
      font-size: 13px;
      width: 170px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .nav-search input:focus {
      width: 210px;
      border-color: var(--primary-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    .nav-search svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      color: #030816;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 20px;
      border-radius: 30px;
      box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      color: #000;
    }
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 40px;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-cyan);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 30px;
      font-weight: 700;
      color: var(--text-white);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.8;
      max-width: 680px;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
      position: relative;
      height: 100%;
    }
    .glass-card:hover {
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 40px rgba(0, 240, 255, 0.15);
      transform: translateY(-3px);
      background: var(--bg-card-hover);
    }
    
    /* Hero 斜切色块首屏 */
    .cat-hero {
      position: relative;
      padding: 90px 0 110px;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(10, 20, 48, 0.7) 0%, rgba(5, 10, 24, 0.95) 100%);
    }
    .cat-hero-angled-bg {
      position: absolute;
      top: -10%;
      right: -5%;
      width: 65%;
      height: 120%;
      background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(121, 40, 202, 0.25));
      clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
      z-index: 1;
      pointer-events: none;
      border-left: 2px solid rgba(0, 240, 255, 0.2);
    }
    .cat-hero-content {
      position: relative;
      z-index: 2;
    }
    .cat-hero-h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-white);
      margin-bottom: 20px;
    }
    .cat-hero-h1 span {
      background: linear-gradient(90deg, #ffffff, var(--primary-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-metrics-pill {
      display: inline-flex;
      align-items: center;
      gap: 16px;
      background: rgba(0, 0, 0, 0.4);
      border: 1px solid var(--border-cyan);
      padding: 8px 18px;
      border-radius: 30px;
      margin-bottom: 24px;
      font-size: 13px;
    }
    .cat-filter-wrap {
      margin-top: 36px;
      background: rgba(13, 27, 62, 0.6);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 20px;
      backdrop-filter: blur(12px);
    }
    .filter-group {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 12px;
    }
    .filter-group:last-child {
      margin-bottom: 0;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-cyan);
      min-width: 60px;
    }
    .filter-item {
      font-size: 13px;
      padding: 4px 12px;
      border-radius: 14px;
      color: var(--text-body);
      background: rgba(255, 255, 255, 0.04);
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-item:hover, .filter-item.active {
      background: var(--primary-blue);
      color: #fff;
    }

    /* 焦点视窗双列非对称画报 */
    .focus-banner {
      background-position: center;
      background-size: cover;
      background-repeat: no-repeat;
      border-radius: var(--radius-lg);
      position: relative;
      overflow: hidden;
      border: 1px solid var(--border-cyan);
      box-shadow: var(--shadow-card);
      min-height: 420px;
      display: flex;
      align-items: flex-end;
      padding: 40px;
    }
    .focus-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(5, 10, 24, 0.2) 0%, rgba(5, 10, 24, 0.95) 100%);
      z-index: 1;
    }
    .focus-content {
      position: relative;
      z-index: 2;
      max-width: 640px;
    }
    .badge-pill {
      display: inline-block;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 700;
      margin-right: 8px;
      text-transform: uppercase;
    }
    .badge-4k { background: var(--primary-cyan); color: #050a18; }
    .badge-atmos { background: var(--accent-purple); color: #fff; }
    .badge-score { background: var(--accent-gold); color: #050a18; }

    /* 影视资源主体卡片 */
    .poster-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .poster-card:hover {
      border-color: var(--border-cyan-active);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 240, 255, 0.15);
    }
    .poster-img-wrap {
      position: relative;
      height: 240px;
      overflow: hidden;
    }
    .poster-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .poster-card:hover .poster-img-wrap img {
      transform: scale(1.05);
    }
    .poster-badges {
      position: absolute;
      top: 12px;
      left: 12px;
      display: flex;
      gap: 6px;
    }
    .poster-details {
      padding: 18px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .poster-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .poster-meta {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
      line-height: 1.5;
    }
    .poster-action {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 12px;
      margin-top: 6px;
    }
    .link-details {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-cyan);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .link-details:hover {
      color: #fff;
    }

    /* 解码标准指标 */
    .spec-box {
      border-left: 3px solid var(--primary-cyan);
      background: rgba(255, 255, 255, 0.02);
      padding: 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin-bottom: 18px;
    }

    /* 排行榜 */
    .rank-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .rank-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .rank-item:last-child {
      border-bottom: none;
    }
    .rank-num {
      width: 26px;
      height: 26px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      color: var(--text-muted);
      margin-right: 12px;
    }
    .rank-num.top1 { background: #ef4444; color: #fff; }
    .rank-num.top2 { background: var(--accent-gold); color: #050a18; }
    .rank-num.top3 { background: var(--primary-cyan); color: #050a18; }
    .rank-title {
      flex: 1;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-white);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      margin-right: 12px;
    }
    .rank-heat {
      font-size: 12px;
      color: var(--primary-cyan);
    }

    /* FAQ 手风琴样式 */
    .faq-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-panel summary {
      padding: 18px 24px;
      font-weight: 600;
      color: var(--text-white);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }
    .faq-panel summary::-webkit-details-marker {
      display: none;
    }
    .faq-panel summary::after {
      content: "+";
      font-size: 20px;
      color: var(--primary-cyan);
      transition: transform 0.3s ease;
    }
    .faq-panel[open] summary::after {
      content: "-";
      transform: rotate(180deg);
    }
    .faq-content {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.8;
      border-top: 1px solid rgba(0, 240, 255, 0.08);
      margin-top: 8px;
      padding-top: 14px;
    }

    /* 订阅求片表单 */
    .sub-banner {
      background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.25), rgba(5, 10, 24, 0.95)),
                  url('/assets/images/684c067fa38670e9.webp') center/cover no-repeat;
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-lg);
      padding: 50px 30px;
      text-align: center;
      position: relative;
    }
    .sub-input-box {
      max-width: 580px;
      margin: 28px auto 0;
      display: flex;
      gap: 10px;
    }
    .sub-input-box input {
      flex: 1;
      background: rgba(5, 10, 24, 0.8);
      border: 1px solid var(--border-cyan);
      border-radius: 30px;
      padding: 12px 20px;
      color: #fff;
      font-size: 14px;
      outline: none;
    }
    .sub-input-box input:focus {
      border-color: var(--primary-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
    }

    /* 页脚样式 */
    .site-footer {
      background: #03060f;
      border-top: 1px solid rgba(0, 240, 255, 0.12);
      padding: 60px 0 30px;
      margin-top: 60px;
    }
    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 40px;
      padding-top: 25px;
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
    }

    @media (max-width: 768px) {
      .cat-hero-h1 { font-size: 30px; }
      .nav-menu { display: none; }
      .cat-hero-angled-bg { display: none; }
      .sub-input-box { flex-direction: column; }
      .focus-banner { min-height: 320px; padding: 20px; }
    }

/* roulang page: category2 */
:root {
      --bg-main: #050a18;
      --bg-card: rgba(13, 27, 62, 0.72);
      --bg-card-hover: rgba(18, 36, 82, 0.85);
      --bg-glass: rgba(10, 20, 48, 0.55);
      --primary-cyan: #00f0ff;
      --primary-blue: #0066ff;
      --accent-purple: #7928ca;
      --accent-gold: #ffaa00;
      --text-white: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-cyan: rgba(0, 240, 255, 0.18);
      --border-cyan-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
      --shadow-card: 0 12px 36px 0 rgba(0, 0, 0, 0.5);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    a:hover, a:focus {
      color: var(--primary-cyan);
      text-decoration: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 10, 24, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 22px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 2px;
      transition: color 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-cyan);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -12px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: 0 0 8px var(--primary-cyan);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      position: relative;
    }
    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      color: var(--text-white);
      padding: 6px 14px 6px 34px;
      font-size: 13px;
      width: 170px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .nav-search input:focus {
      width: 210px;
      border-color: var(--primary-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    .nav-search svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      color: #030816;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 20px;
      border-radius: 30px;
      box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      color: #000;
    }

    section {
      padding: 70px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 40px;
      text-align: center;
    }
    .section-head.text-left {
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-cyan);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-white);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-body);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.8;
    }
    .section-head.text-left .section-desc {
      margin: 0;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    .glass-card:hover {
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 40px rgba(0, 240, 255, 0.12);
      transform: translateY(-3px);
      background: var(--bg-card-hover);
    }

    /* Category Hero & Filter Bar */
    .cat-hero {
      padding: 60px 0 45px;
      background: radial-gradient(circle at 50% 10%, rgba(0, 102, 255, 0.22), transparent 70%),
                  radial-gradient(circle at 80% 60%, rgba(121, 40, 202, 0.18), transparent 60%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .cat-h1 {
      font-size: 38px;
      font-weight: 800;
      color: var(--text-white);
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .cat-h1 span {
      background: linear-gradient(135deg, #ffffff 30%, var(--primary-cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .filter-panel {
      background: rgba(10, 20, 48, 0.7);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-top: 30px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-cyan);
      width: 60px;
      flex-shrink: 0;
    }
    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-chip {
      font-size: 13px;
      color: var(--text-body);
      padding: 3px 12px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid transparent;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .filter-chip:hover, .filter-chip.active {
      color: #030816;
      background: var(--primary-cyan);
      font-weight: 600;
      border-color: var(--primary-cyan);
    }

    /* Spot Feature Grid */
    .spot-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-cyan);
      background: #09132e;
      height: 380px;
      display: flex;
      align-items: flex-end;
      padding: 32px;
      box-shadow: var(--shadow-card);
    }
    .spot-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.42;
      transition: transform 0.6s ease, opacity 0.6s ease;
    }
    .spot-card:hover .spot-bg {
      transform: scale(1.05);
      opacity: 0.55;
    }
    .spot-content {
      position: relative;
      z-index: 2;
      max-width: 640px;
    }
    .badge-pill {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 6px;
      margin-right: 6px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .badge-4k {
      background: var(--accent-gold);
      color: #101010;
    }
    .badge-sound {
      background: rgba(0, 240, 255, 0.15);
      color: var(--primary-cyan);
      border: 1px solid var(--border-cyan);
    }
    .spot-title {
      font-size: 26px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 10px;
      line-height: 1.3;
    }
    .spot-desc {
      font-size: 14px;
      color: #cbd5e1;
      line-height: 1.6;
      margin-bottom: 16px;
    }

    /* Drama Card Items */
    .drama-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: all 0.3s ease;
    }
    .drama-card:hover {
      border-color: var(--primary-cyan);
      transform: translateY(-4px);
      box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
    }
    .drama-poster {
      position: relative;
      height: 200px;
      overflow: hidden;
      background: #020712;
    }
    .drama-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .drama-card:hover .drama-poster img {
      transform: scale(1.06);
    }
    .poster-tag {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(5, 10, 24, 0.8);
      color: var(--primary-cyan);
      border: 1px solid var(--border-cyan);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 600;
    }
    .drama-body {
      padding: 18px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .drama-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .drama-cast {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .drama-link {
      margin-top: auto;
      font-size: 13px;
      color: var(--primary-cyan);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-weight: 600;
    }

    /* Rank List Cards */
    .rank-column {
      background: rgba(10, 20, 48, 0.6);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 22px;
    }
    .rank-col-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .rank-col-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-white);
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .rank-item:last-child {
      border-bottom: none;
    }
    .rank-num {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 800;
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-muted);
    }
    .rank-num.top-1 { background: var(--accent-gold); color: #000; }
    .rank-num.top-2 { background: var(--primary-cyan); color: #000; }
    .rank-num.top-3 { background: var(--accent-purple); color: #fff; }
    .rank-name {
      flex: 1;
      font-size: 14px;
      color: var(--text-white);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .rank-score {
      font-size: 13px;
      font-weight: 700;
      color: var(--accent-gold);
    }

    /* FAQ accordion */
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      padding: 20px 24px;
    }
    .faq-question {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-question svg {
      width: 18px;
      height: 18px;
      fill: var(--primary-cyan);
      flex-shrink: 0;
    }
    .faq-answer {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.8;
    }

    /* Subscribe box */
    .sub-bar {
      background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(121, 40, 202, 0.2));
      border: 1px solid var(--border-cyan-active);
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
    }
    .sub-input-group {
      max-width: 540px;
      margin: 20px auto 0;
      display: flex;
      gap: 10px;
    }
    .sub-input-group input {
      background: rgba(5, 10, 24, 0.7);
      border: 1px solid var(--border-cyan);
      border-radius: 30px;
      color: #fff;
      padding: 10px 20px;
      margin: 0;
      height: auto;
      flex: 1;
    }

    /* Footer */
    .site-footer {
      background: #03060f;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 60px 0 30px;
      font-size: 13px;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      margin-top: 45px;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      text-align: center;
      color: var(--text-muted);
      font-size: 12px;
    }

    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .cat-h1 { font-size: 28px; }
      .spot-card { height: 320px; padding: 20px; }
      .spot-title { font-size: 20px; }
      .sub-input-group { flex-direction: column; }
    }

/* roulang page: category3 */
:root {
      --bg-main: #050a18;
      --bg-card: rgba(13, 27, 62, 0.72);
      --bg-card-hover: rgba(18, 36, 82, 0.85);
      --bg-glass: rgba(10, 20, 48, 0.55);
      --primary-cyan: #00f0ff;
      --primary-blue: #0066ff;
      --accent-purple: #7928ca;
      --accent-gold: #ffaa00;
      --text-white: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-cyan: rgba(0, 240, 255, 0.18);
      --border-cyan-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
      --shadow-card: 0 12px 36px 0 rgba(0, 0, 0, 0.5);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    a:hover, a:focus {
      color: var(--primary-cyan);
      text-decoration: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Header & Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 10, 24, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 22px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 2px;
      transition: color 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-cyan);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -12px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: 0 0 8px var(--primary-cyan);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      position: relative;
    }
    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      color: var(--text-white);
      padding: 6px 14px 6px 34px;
      font-size: 13px;
      width: 170px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .nav-search input:focus {
      width: 210px;
      border-color: var(--primary-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    .nav-search svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      color: #030816;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 20px;
      border-radius: 30px;
      box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      color: #000;
    }

    /* Section Global Standards */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-head.text-left {
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-cyan);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-white);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-body);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.8;
    }
    .section-head.text-left .section-desc {
      margin: 0;
    }

    /* Glass Cards */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    .glass-card:hover {
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 40px rgba(0, 240, 255, 0.15);
      transform: translateY(-3px);
      background: var(--bg-card-hover);
    }

    /* Category 3 Specific Hero: Crowdfunding Pre-heat Visual (Progress & Pledge Tiers) */
    .cat-hero {
      padding: 70px 0 85px;
      background: radial-gradient(circle at 40% 20%, rgba(0, 240, 255, 0.12), transparent 60%),
                  radial-gradient(circle at 85% 60%, rgba(121, 40, 202, 0.18), transparent 50%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .hero-h1 {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text-white);
      margin-bottom: 16px;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, var(--primary-cyan), #ffffff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .crowd-progress-wrap {
      background: rgba(10, 20, 48, 0.7);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
    }
    .progress-bar-bg {
      height: 10px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 6px;
      overflow: hidden;
      margin: 16px 0 12px;
      position: relative;
    }
    .progress-bar-fill {
      height: 100%;
      width: 88%;
      background: linear-gradient(90deg, var(--primary-blue), var(--primary-cyan));
      box-shadow: 0 0 12px var(--primary-cyan);
      border-radius: 6px;
    }
    .tier-chip {
      background: rgba(0, 240, 255, 0.05);
      border: 1px solid rgba(0, 240, 255, 0.2);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      transition: all 0.25s ease;
      cursor: pointer;
    }
    .tier-chip:hover {
      border-color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.12);
    }
    .tier-price {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-white);
    }

    /* Filter Toolbar */
    .filter-toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 14px 20px;
      background: rgba(13, 27, 62, 0.5);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      margin-top: 24px;
    }
    .filter-item {
      font-size: 13px;
      padding: 5px 14px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-body);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-item.active, .filter-item:hover {
      background: rgba(0, 240, 255, 0.15);
      color: var(--primary-cyan);
      border-color: var(--border-cyan);
    }

    /* Spotlight Showcase */
    .spotlight-box {
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-cyan);
      overflow: hidden;
      position: relative;
      min-height: 420px;
      box-shadow: var(--shadow-card);
      display: flex;
      align-items: flex-end;
    }
    .spotlight-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(5, 10, 24, 0.2) 0%, rgba(5, 10, 24, 0.92) 85%);
    }
    .spotlight-content {
      position: relative;
      z-index: 2;
      padding: 36px;
    }

    /* Video Resource Card */
    .remux-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .remux-card:hover {
      border-color: var(--border-cyan-active);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 240, 255, 0.18);
    }
    .remux-thumb {
      position: relative;
      height: 190px;
      overflow: hidden;
    }
    .remux-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .remux-card:hover .remux-thumb img {
      transform: scale(1.06);
    }
    .remux-badge-hd {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(0, 0, 0, 0.75);
      border: 1px solid var(--primary-cyan);
      color: var(--primary-cyan);
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }
    .remux-badge-audio {
      position: absolute;
      top: 12px;
      right: 12px;
      background: linear-gradient(135deg, var(--accent-purple), var(--primary-blue));
      color: #fff;
      font-size: 11px;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .remux-info {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .remux-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .remux-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .remux-link {
      margin-top: auto;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-cyan);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* Standard Spec Cards */
    .spec-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }
    .spec-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }
    .spec-icon svg {
      width: 22px;
      height: 22px;
      fill: var(--primary-cyan);
    }

    /* Rank List Component */
    .rank-column {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 22px;
    }
    .rank-col-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-white);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 12px;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .rank-num {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-body);
      font-size: 12px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .rank-item:nth-child(1) .rank-num { background: #ff4757; color: #fff; }
    .rank-item:nth-child(2) .rank-num { background: #ffa502; color: #fff; }
    .rank-item:nth-child(3) .rank-num { background: #2ed573; color: #000; }
    .rank-name {
      flex: 1;
      font-size: 14px;
      color: var(--text-white);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .rank-val {
      font-size: 12px;
      color: var(--primary-cyan);
      font-weight: 600;
    }

    /* FAQ Component */
    .faq-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-q {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
    }
    .faq-a {
      padding: 0 24px 20px;
      color: var(--text-body);
      font-size: 14px;
      line-height: 1.8;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 14px;
    }

    /* Light Subscription Strip */
    .sub-bar-wrap {
      background: linear-gradient(135deg, rgba(13, 27, 62, 0.95), rgba(10, 20, 48, 0.95));
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      box-shadow: var(--shadow-glow);
    }
    .sub-input-group {
      display: flex;
      gap: 12px;
      margin-top: 14px;
    }
    .sub-input-group input {
      flex: 1;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 30px;
      color: var(--text-white);
      padding: 10px 20px;
      font-size: 14px;
      outline: none;
      margin: 0;
      height: auto;
    }
    .sub-input-group input:focus {
      border-color: var(--primary-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
    }

    /* CMS Article Feed Cards */
    .cms-feed-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: all 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .cms-feed-card:hover {
      border-color: var(--border-cyan-active);
      transform: translateY(-3px);
    }
    .cms-feed-meta {
      font-size: 12px;
      color: var(--primary-cyan);
      margin-bottom: 8px;
    }
    .cms-feed-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .cms-feed-desc {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 14px;
      flex-grow: 1;
    }
    .cms-feed-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 10px;
    }

    /* Footer */
    .site-footer {
      background: #020612;
      border-top: 1px solid rgba(0, 240, 255, 0.15);
      padding: 70px 0 35px;
      margin-top: 50px;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 13px;
      transition: color 0.25s ease;
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 45px;
      padding-top: 25px;
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 15px;
    }

    @media screen and (max-width: 768px) {
      .hero-h1 { font-size: 28px; }
      .section-title { font-size: 24px; }
      section { padding: 50px 0; }
      .sub-input-group { flex-direction: column; }
      .nav-menu { display: none; }
    }

/* roulang page: category5 */
:root {
      --bg-main: #050a18;
      --bg-card: rgba(13, 27, 62, 0.72);
      --bg-card-hover: rgba(18, 36, 82, 0.85);
      --bg-glass: rgba(10, 20, 48, 0.55);
      --primary-cyan: #00f0ff;
      --primary-blue: #0066ff;
      --accent-purple: #7928ca;
      --accent-gold: #ffaa00;
      --text-white: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-cyan: rgba(0, 240, 255, 0.18);
      --border-cyan-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
      --shadow-card: 0 12px 36px 0 rgba(0, 0, 0, 0.5);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    a:hover, a:focus {
      color: var(--primary-cyan);
      text-decoration: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 10, 24, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 22px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 2px;
      transition: color 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-cyan);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -12px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: 0 0 8px var(--primary-cyan);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      position: relative;
    }
    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      color: var(--text-white);
      padding: 6px 14px 6px 34px;
      font-size: 13px;
      width: 170px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .nav-search input:focus {
      width: 210px;
      border-color: var(--primary-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    .nav-search svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      color: #030816;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 20px;
      border-radius: 30px;
      box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      color: #000;
    }
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-head.text-left {
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-cyan);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-white);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-body);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.8;
    }
    .section-head.text-left .section-desc {
      margin: 0;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    .glass-card:hover {
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 40px rgba(0, 240, 255, 0.12);
      transform: translateY(-3px);
      background: var(--bg-card-hover);
    }

    /* Category Specific Custom Styles */
    .cat-hero-section {
      padding: 70px 0 80px;
      background: radial-gradient(circle at 60% 30%, rgba(0, 240, 255, 0.12), transparent 60%),
                  radial-gradient(circle at 20% 80%, rgba(121, 40, 202, 0.16), transparent 70%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .cat-hero-h1 {
      font-size: 40px;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 16px;
      line-height: 1.25;
    }
    .cat-hero-h1 span {
      background: linear-gradient(135deg, var(--primary-cyan), #fff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-metric-pill {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(0, 240, 255, 0.06);
      border: 1px solid var(--border-cyan);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 13px;
      color: var(--text-white);
      margin-top: 15px;
    }
    .cat-metric-pill b {
      color: var(--primary-cyan);
      font-size: 16px;
    }
    .filter-bar-box {
      margin-top: 36px;
      background: var(--bg-glass);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 18px 24px;
    }
    .filter-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .filter-group:last-child {
      margin-bottom: 0;
    }
    .filter-label {
      font-size: 13px;
      color: var(--text-muted);
      width: 60px;
      font-weight: 600;
    }
    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-tag-item {
      font-size: 13px;
      color: var(--text-body);
      padding: 4px 12px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.2s;
    }
    .filter-tag-item.active, .filter-tag-item:hover {
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.12);
      border-color: var(--border-cyan);
    }

    /* Focus Showcase Section */
    .showcase-banner {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-cyan);
      min-height: 400px;
      display: flex;
      align-items: flex-end;
      padding: 40px;
      background-size: cover;
      background-position: center;
      box-shadow: var(--shadow-card);
    }
    .showcase-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5, 10, 24, 0.95) 15%, rgba(5, 10, 24, 0.45) 60%, rgba(5, 10, 24, 0.1) 100%);
    }
    .showcase-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }
    .badge-spotlight {
      display: inline-block;
      background: linear-gradient(135deg, var(--accent-gold), #ff6600);
      color: #050a18;
      font-weight: 700;
      font-size: 12px;
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .showcase-title {
      font-size: 30px;
      color: var(--text-white);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .showcase-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .showcase-meta span {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Media Grid Cards */
    .media-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: all 0.3s ease;
    }
    .media-card:hover {
      border-color: var(--border-cyan-active);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 240, 255, 0.15);
    }
    .media-cover-wrap {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
      background: #0d1730;
    }
    .media-cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .media-card:hover .media-cover-wrap img {
      transform: scale(1.05);
    }
    .media-badge-tag {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(5, 10, 24, 0.75);
      backdrop-filter: blur(8px);
      border: 1px solid var(--border-cyan);
      color: var(--primary-cyan);
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .media-info {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .media-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .media-meta-line {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      justify-content: space-between;
    }
    .media-desc {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex-grow: 1;
    }
    .media-action {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 14px;
    }
    .media-action a {
      color: var(--primary-cyan);
      font-size: 13px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .media-action a:hover {
      color: #fff;
    }

    /* Audio/Video Standards Matrix */
    .specs-card {
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      background: var(--bg-card);
      text-align: left;
      height: 100%;
    }
    .specs-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--border-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-cyan);
      margin-bottom: 18px;
    }
    .specs-icon svg {
      width: 22px;
      height: 22px;
      fill: currentColor;
    }

    /* Leaderboard Rankings */
    .rank-col {
      background: var(--bg-glass);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      height: 100%;
    }
    .rank-header {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
      padding-bottom: 14px;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .rank-item:last-child {
      border-bottom: none;
    }
    .rank-num {
      width: 24px;
      height: 24px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      color: #050a18;
      background: #334155;
    }
    .rank-item:nth-child(1) .rank-num { background: var(--accent-gold); color: #000; }
    .rank-item:nth-child(2) .rank-num { background: #94a3b8; color: #000; }
    .rank-item:nth-child(3) .rank-num { background: #b45309; color: #fff; }
    .rank-title {
      flex: 1;
      font-size: 14px;
      color: var(--text-white);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .rank-score {
      font-size: 13px;
      color: var(--primary-cyan);
      font-weight: 600;
    }

    /* Category FAQ Accordion */
    .faq-panel {
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      background: var(--bg-card);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: rgba(13, 27, 62, 0.5);
    }
    .faq-question svg {
      width: 16px;
      height: 16px;
      fill: var(--primary-cyan);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.8;
      display: none;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      margin-top: 12px;
      padding-top: 14px;
    }
    .faq-panel.is-open .faq-answer {
      display: block;
    }
    .faq-panel.is-open .faq-question svg {
      transform: rotate(180deg);
    }

    /* Subscription Callout */
    .sub-bar-wrap {
      background: linear-gradient(135deg, rgba(13, 27, 62, 0.9), rgba(5, 10, 24, 0.95));
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-glow);
    }
    .sub-form {
      display: flex;
      gap: 12px;
      max-width: 620px;
      margin: 20px auto 0;
    }
    .sub-form input {
      flex: 1;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-cyan);
      border-radius: 30px;
      color: var(--text-white);
      padding: 12px 22px;
      font-size: 14px;
      outline: none;
      margin: 0;
      height: auto;
    }
    .sub-form input:focus {
      border-color: var(--primary-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
    }

    /* Site Footer */
    .site-footer {
      background: #02050c;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 70px 0 30px;
      position: relative;
    }
    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-muted);
      transition: color 0.25s;
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin-top: 50px;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .nav-menu { gap: 14px; }
      .nav-link { font-size: 14px; }
    }
    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .hero-h1, .cat-hero-h1 { font-size: 28px; }
      .section-title { font-size: 24px; }
      .showcase-banner { padding: 24px; min-height: 320px; }
      .showcase-title { font-size: 22px; }
      .sub-form { flex-direction: column; }
      .sub-bar-wrap { padding: 24px; }
    }

/* roulang page: category4 */
:root {
      --bg-main: #050a18;
      --bg-card: rgba(13, 27, 62, 0.72);
      --bg-card-hover: rgba(18, 36, 82, 0.85);
      --bg-glass: rgba(10, 20, 48, 0.55);
      --primary-cyan: #00f0ff;
      --primary-blue: #0066ff;
      --accent-purple: #7928ca;
      --accent-gold: #ffaa00;
      --text-white: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-cyan: rgba(0, 240, 255, 0.18);
      --border-cyan-active: rgba(0, 240, 255, 0.45);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.25);
      --shadow-card: 0 12px 36px 0 rgba(0, 0, 0, 0.5);
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s ease;
    }
    a:hover, a:focus {
      color: var(--primary-cyan);
      text-decoration: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Header & Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(5, 10, 24, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-cyan);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    .brand-logo-icon svg {
      width: 18px;
      height: 18px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      gap: 22px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 2px;
      transition: color 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary-cyan);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -12px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
      box-shadow: 0 0 8px var(--primary-cyan);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .nav-search {
      position: relative;
    }
    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      color: var(--text-white);
      padding: 6px 14px 6px 34px;
      font-size: 13px;
      width: 170px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .nav-search input:focus {
      width: 210px;
      border-color: var(--primary-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    .nav-search svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 14px;
      height: 14px;
      fill: var(--text-muted);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      color: #030816;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 20px;
      border-radius: 30px;
      box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
      color: #000;
    }

    /* Section Global Standards */
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-head {
      margin-bottom: 42px;
      text-align: center;
    }
    .section-head.text-left {
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid var(--border-cyan);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-white);
      line-height: 1.35;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-body);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.8;
    }
    .section-head.text-left .section-desc {
      margin: 0;
    }

    /* Glass Cards */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    .glass-card:hover {
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 40px rgba(0, 240, 255, 0.12);
      transform: translateY(-3px);
      background: var(--bg-card-hover);
    }

    /* Category Hero: 全宽矮横幅 + 标签筛选 */
    .category-hero {
      padding: 45px 0 35px;
      background: linear-gradient(180deg, rgba(10, 25, 60, 0.85) 0%, rgba(5, 10, 24, 0.95) 100%);
      border-bottom: 1px solid var(--border-cyan);
    }
    .cat-hero-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 25px;
    }
    .cat-hero-title-group h1 {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-white);
      margin: 0 0 8px 0;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .cat-hero-subtitle {
      font-size: 14px;
      color: var(--text-muted);
      margin: 0;
    }
    .cat-stat-badge {
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(0, 240, 255, 0.05);
      border: 1px solid var(--border-cyan);
      padding: 10px 20px;
      border-radius: 30px;
    }
    .cat-stat-num {
      color: var(--primary-cyan);
      font-weight: 700;
      font-size: 18px;
    }
    .cat-stat-lbl {
      color: var(--text-body);
      font-size: 13px;
    }
    .filter-panel {
      background: rgba(13, 27, 62, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      padding: 18px 24px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    }
    .filter-row:last-child {
      border-bottom: none;
    }
    .filter-label {
      width: 80px;
      color: var(--text-muted);
      font-size: 13px;
      flex-shrink: 0;
    }
    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 14px;
    }
    .filter-chip {
      font-size: 13px;
      color: var(--text-body);
      padding: 3px 12px;
      border-radius: 14px;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-chip:hover {
      color: var(--primary-cyan);
      background: rgba(0, 240, 255, 0.08);
    }
    .filter-chip.active {
      color: #030816;
      background: var(--primary-cyan);
      font-weight: 600;
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
    }

    /* Section 2: 本周焦点视窗 */
    .spotlight-banner {
      position: relative;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-cyan);
      overflow: hidden;
      background-size: cover;
      background-position: center;
      min-height: 400px;
      box-shadow: var(--shadow-card);
    }
    .spotlight-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(5, 10, 24, 0.95) 0%, rgba(5, 10, 24, 0.8) 50%, rgba(5, 10, 24, 0.4) 100%);
      display: flex;
      align-items: center;
      padding: 40px;
    }
    .spotlight-content {
      max-width: 620px;
    }
    .spotlight-tag {
      background: linear-gradient(90deg, #ff007a, #7928ca);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 16px;
    }
    .spotlight-title {
      font-size: 32px;
      color: var(--text-white);
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .spotlight-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--primary-cyan);
      margin-bottom: 16px;
    }
    .spotlight-desc {
      color: var(--text-body);
      font-size: 14px;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    /* Section 3: 动漫资源瀑布卡片 */
    .anime-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: all 0.35s ease;
    }
    .anime-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-cyan-active);
      box-shadow: 0 14px 30px rgba(0, 240, 255, 0.15);
    }
    .anime-poster {
      position: relative;
      height: 260px;
      overflow: hidden;
    }
    .anime-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .anime-card:hover .anime-poster img {
      transform: scale(1.06);
    }
    .anime-badge {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(5, 10, 24, 0.85);
      border: 1px solid var(--primary-cyan);
      color: var(--primary-cyan);
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      backdrop-filter: blur(8px);
    }
    .anime-ep-status {
      position: absolute;
      bottom: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.75);
      color: #fff;
      font-size: 12px;
      padding: 2px 10px;
      border-radius: 4px;
    }
    .anime-info {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .anime-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .anime-specs {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 12px;
      line-height: 1.6;
    }
    .anime-foot {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 12px;
    }
    .anime-score {
      color: var(--accent-gold);
      font-weight: 700;
      font-size: 15px;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .anime-btn-link {
      font-size: 13px;
      color: var(--primary-cyan);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Section 4: 解码技术规格 */
    .tech-pill-card {
      background: rgba(13, 27, 62, 0.65);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 26px;
      height: 100%;
      transition: all 0.3s ease;
    }
    .tech-pill-card:hover {
      border-color: var(--primary-cyan);
      background: rgba(18, 36, 82, 0.8);
    }
    .tech-icon-box {
      width: 46px;
      height: 46px;
      border-radius: 10px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--primary-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }
    .tech-icon-box svg {
      width: 24px;
      height: 24px;
      fill: var(--primary-cyan);
    }
    .tech-h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 10px;
    }
    .tech-p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin: 0;
    }

    /* Section 5: 排行榜三列 */
    .rank-board-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .rank-board-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 14px;
      margin-bottom: 16px;
    }
    .rank-board-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .rank-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .rank-item:last-child {
      border-bottom: none;
    }
    .rank-num {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      flex-shrink: 0;
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-body);
    }
    .rank-item:nth-child(1) .rank-num {
      background: #ff0055;
      color: #fff;
    }
    .rank-item:nth-child(2) .rank-num {
      background: #ff7700;
      color: #fff;
    }
    .rank-item:nth-child(3) .rank-num {
      background: var(--primary-cyan);
      color: #030816;
    }
    .rank-name {
      font-size: 14px;
      color: var(--text-white);
      flex-grow: 1;
      white-space: nowrap;
overflow: hidden;
      text-overflow: ellipsis;
    }
    .rank-hot {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* Section 6: FAQ 手风琴 */
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.25s ease;
    }
    .faq-question:hover {
      background: rgba(0, 240, 255, 0.04);
    }
    .faq-icon {
      width: 16px;
      height: 16px;
      fill: var(--primary-cyan);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }
    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-body);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 14px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* Section 7: 订阅与求片 */
    .sub-panel-box {
      background: radial-gradient(circle at center, rgba(0, 240, 255, 0.08) 0%, rgba(13, 27, 62, 0.95) 100%);
      border: 1px solid var(--border-cyan-active);
      border-radius: var(--radius-lg);
      padding: 48px 36px;
      text-align: center;
      box-shadow: var(--shadow-glow);
    }
    .sub-form-row {
      max-width: 580px;
      margin: 28px auto 0;
      display: flex;
      gap: 12px;
    }
    .sub-form-input {
      flex: 1;
      background: rgba(5, 10, 24, 0.7);
      border: 1px solid var(--border-cyan);
      border-radius: 30px;
      color: var(--text-white);
      padding: 12px 22px;
      font-size: 14px;
      outline: none;
      transition: all 0.3s ease;
      margin: 0;
      height: auto;
    }
    .sub-form-input:focus {
      border-color: var(--primary-cyan);
      box-shadow: 0 0 14px rgba(0, 240, 255, 0.35);
    }

    /* Footer */
    .site-footer {
      background: #02050e;
      border-top: 1px solid rgba(0, 240, 255, 0.15);
      padding: 70px 0 25px;
      margin-top: 40px;
    }
    .footer-title {
      color: var(--text-white);
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-body);
      font-size: 13px;
      transition: color 0.25s ease;
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
      }
      .section-title {
        font-size: 24px;
      }
      .spotlight-overlay {
        padding: 24px;
      }
      .sub-form-row {
        flex-direction: column;
      }
      .cat-stat-badge {
        width: 100%;
        justify-content: space-between;
      }
    }