/* roulang page: index */
:root {
      --primary: #1466C3;
      --primary-dark: #0F54A0;
      --primary-light: #E8F0FA;
      --accent-cyan: #16A6A0;
      --accent-orange: #F97316;
      --gold: #D4AF37;
      --gold-light: #F0E0A8;
      --gold-dark: #B8963E;
      --bg: #F6F8FC;
      --bg-card: #FFFFFF;
      --text-heading: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border: #E5EAF2;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
      --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
      --radius-card: 16px;
      --radius-btn: 9px;
      --radius-input: 8px;
      --radius-panel: 16px;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --section-spacing: 72px;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-body);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition), opacity var(--transition);
    }

    a:hover {
      color: var(--primary-dark);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--accent-cyan);
      outline-offset: 3px;
      border-radius: 4px;
    }

    button {
      font-family: var(--font-sans);
      cursor: pointer;
      border: none;
      background: none;
      font-size: 1rem;
      transition: all var(--transition);
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .tabular-nums {
      font-variant-numeric: tabular-nums;
      font-feature-settings: 'tnum';
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 16px;
      z-index: 999;
      padding: 0 16px;
      pointer-events: none;
    }

    .nav-panel {
      pointer-events: auto;
      max-width: 1200px;
      margin: 0 auto;
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-panel);
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 20px;
      gap: 16px;
      transition: box-shadow var(--transition);
    }

    .nav-panel:hover {
      box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
    }

    .logo-link {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      flex-shrink: 0;
    }

    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.5px;
      flex-shrink: 0;
    }

    .logo-text {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-heading);
      line-height: 1.3;
      white-space: nowrap;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .nav-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 14px;
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--text-body);
      border-radius: 8px;
      background: transparent;
      border: 1px solid transparent;
      transition: all var(--transition);
      white-space: nowrap;
    }

    .nav-item:hover {
      background: var(--primary-light);
      color: var(--primary);
      border-color: #D5E3F5;
    }

    .nav-item.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
    }

    .nav-item .nav-icon {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .nav-cta {
      background: var(--primary);
      color: #fff;
      padding: 9px 20px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 0.88rem;
      white-space: nowrap;
      flex-shrink: 0;
      transition: all var(--transition);
      box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
    }

    .nav-cta:hover {
      background: var(--primary-dark);
      box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
      transform: translateY(-1px);
      color: #fff;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 8px;
      background: var(--bg);
      border: 1px solid var(--border);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      flex-shrink: 0;
      pointer-events: auto;
    }

    .nav-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text-heading);
      border-radius: 2px;
      transition: all var(--transition);
    }

    .nav-toggle.open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.open span:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* Mobile nav panel */
    .mobile-nav {
      display: none;
      flex-direction: column;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-panel);
      box-shadow: var(--shadow-md);
      padding: 16px;
      gap: 8px;
      margin-top: 10px;
      pointer-events: auto;
    }

    .mobile-nav .nav-item {
      width: 100%;
      justify-content: flex-start;
      padding: 12px 16px;
      font-size: 1rem;
    }

    .mobile-nav .nav-cta {
      width: 100%;
      text-align: center;
      padding: 12px;
      font-size: 0.95rem;
      margin-top: 6px;
    }

    /* Hero */
    .hero {
      background: linear-gradient(135deg, #0B1220 0%, #172233 50%, #1C2A3E 100%);
      border-radius: 0 0 24px 24px;
      padding: 56px 0 48px;
      margin-bottom: var(--section-spacing);
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: url('/assets/images/0217825e9a97672d.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.3;
      z-index: 0;
    }

    .hero::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(180deg, rgba(11, 18, 32, 0.7) 0%, rgba(11, 18, 32, 0.85) 100%);
      z-index: 1;
    }

    .hero .container {
      position: relative;
      z-index: 2;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge-row {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 18px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(212, 175, 55, 0.18);
      border: 1px solid rgba(212, 175, 55, 0.45);
      color: var(--gold-light);
      font-size: 0.82rem;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 30px;
      letter-spacing: 0.2px;
    }

    .hero h1 {
      font-size: 2.4rem;
      font-weight: 700;
      color: #fff;
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.82);
      line-height: 1.8;
      margin-bottom: 26px;
      max-width: 540px;
    }

    .hero-btn-row {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--gold);
      color: #0B1220;
      padding: 12px 26px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 0.95rem;
      transition: all var(--transition);
      box-shadow: 0 4px 16px rgba(212, 175, 55, 0.35);
      min-height: 44px;
    }

    .btn-primary:hover {
      background: #E0C060;
      box-shadow: 0 8px 26px rgba(212, 175, 55, 0.5);
      transform: translateY(-2px);
      color: #0B1220;
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      padding: 12px 24px;
      border-radius: var(--radius-btn);
      font-weight: 500;
      font-size: 0.95rem;
      border: 1px solid rgba(255, 255, 255, 0.3);
      transition: all var(--transition);
      min-height: 44px;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.2);
      border-color: rgba(255, 255, 255, 0.5);
      transform: translateY(-2px);
      color: #fff;
    }

    .hero-visual {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hero-visual-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-card);
      padding: 20px;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
    }

    .hero-score-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-team {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
      min-width: 70px;
      text-align: center;
    }

    .hero-team .team-name {
      color: rgba(255, 255, 255, 0.9);
      font-size: 0.85rem;
      font-weight: 600;
    }

    .hero-team .team-score {
      color: var(--gold-light);
      font-size: 2rem;
      font-weight: 700;
      line-height: 1.1;
    }

    .hero-divider {
      color: rgba(255, 255, 255, 0.5);
      font-size: 1.4rem;
      font-weight: 500;
      flex-shrink: 0;
    }

    .hero-match-label {
      text-align: center;
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.78rem;
      margin-top: 8px;
      letter-spacing: 0.3px;
    }

    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .hero-stat {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 12px;
      padding: 14px;
      text-align: center;
    }

    .hero-stat .stat-value {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--gold-light);
      line-height: 1.2;
    }

    .hero-stat .stat-label {
      font-size: 0.72rem;
      color: rgba(255, 255, 255, 0.6);
      margin-top: 4px;
    }

    /* Data strip */
    .data-strip {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-panel);
      box-shadow: var(--shadow-sm);
      padding: 24px 28px;
      margin-top: 32px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .data-strip-item {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .data-strip-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      color: var(--primary);
      font-size: 1.2rem;
    }

    .data-strip-content .ds-value {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-heading);
      line-height: 1.2;
    }

    .data-strip-content .ds-label {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* Section common */
    .section {
      padding: var(--section-spacing) 0;
    }

    .section-alt {
      background: #fff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .section-header {
      margin-bottom: 36px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--text-heading);
      line-height: 1.35;
      letter-spacing: -0.3px;
    }

    .section-desc {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.75;
      max-width: 680px;
      margin-top: 10px;
    }

    /* Card grid */
    .card-grid {
      display: grid;
      gap: 20px;
    }

    .card-grid-2 {
      grid-template-columns: repeat(2, 1fr);
    }
    .card-grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }
    .card-grid-4 {
      grid-template-columns: repeat(4, 1fr);
    }

    .card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
      position: relative;
    }

    .card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
      border-color: #CDDAEB;
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      color: var(--primary);
      font-size: 1.3rem;
    }

    .card-title {
      font-size: 1.08rem;
      font-weight: 600;
      color: var(--text-heading);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .card-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Image cards */
    .image-card {
      overflow: hidden;
      padding: 0;
    }

    .image-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: var(--radius-card) var(--radius-card) 0 0;
      transition: transform var(--transition);
    }

    .image-card:hover img {
      transform: scale(1.04);
    }

    .image-card-body {
      padding: 18px 20px 20px;
    }

    /* Badge */
    .badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 30px;
      background: #EFF6FF;
      color: var(--primary);
      letter-spacing: 0.2px;
    }

    .badge-orange {
      background: #FFF4E8;
      color: var(--accent-orange);
    }

    .badge-cyan {
      background: #E6FAF9;
      color: #0E8F8A;
    }

    .badge-gold {
      background: #FDF6E3;
      color: var(--gold-dark);
    }

    /* Process steps */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-step {
      text-align: center;
      position: relative;
      padding: 0 8px;
    }

    .process-step::after {
      content: '';
      position: absolute;
      top: 28px;
      right: -50%;
      width: 100%;
      height: 2px;
      background: var(--border);
      z-index: 0;
    }

    .process-step:last-child::after {
      display: none;
    }

    .step-circle {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: #fff;
      border: 2px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--primary);
      position: relative;
      z-index: 1;
      transition: all var(--transition);
    }

    .process-step:hover .step-circle {
      border-color: var(--primary);
      background: var(--primary-light);
      transform: scale(1.06);
    }

    .step-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-heading);
      margin-bottom: 6px;
    }

    .step-desc {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* News list */
    .news-list {
      display: grid;
      gap: 18px;
    }

    .news-item {
      display: grid;
      grid-template-columns: 180px 1fr;
      gap: 20px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 18px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
      align-items: center;
    }

    .news-item:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .news-item img {
      width: 180px;
      height: 120px;
      object-fit: cover;
      border-radius: 12px;
    }

    .news-content {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .news-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-heading);
      line-height: 1.45;
    }

    .news-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .news-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      align-self: flex-start;
      margin-top: 4px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .news-link:hover {
      color: var(--primary-dark);
    }

    /* Partner badges */
    .partner-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    .partner-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 30px;
      padding: 10px 22px;
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-body);
      transition: all var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .partner-badge:hover {
      background: #F1F5FA;
      border-color: #CDDAEB;
      transform: translateY(-2px);
    }

    /* FAQ */
    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all var(--transition);
    }

    .faq-item:hover {
      border-color: #CDDAEB;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-heading);
      text-align: left;
      gap: 16px;
      min-height: 44px;
    }

    .faq-question .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.2rem;
      transition: all var(--transition);
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      color: #fff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition), padding var(--transition);
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.75;
    }

    .faq-item.open .faq-answer {
      max-height: 220px;
      padding: 0 22px 18px;
    }

    /* Guarantee strip */
    .guarantee-strip {
      background: #F0F6FF;
      border: 1px solid #D8E5F5;
      border-radius: var(--radius-panel);
      padding: 24px 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 18px;
      justify-content: space-between;
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.88rem;
      color: var(--text-body);
      font-weight: 500;
    }

    .guarantee-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: #fff;
      border: 1px solid #D8E5F5;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      flex-shrink: 0;
      font-size: 0.95rem;
    }

    /* CTA section */
    .cta-section {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .cta-left .section-title {
      font-size: 1.5rem;
    }

    .cta-left .section-desc {
      margin-top: 12px;
      font-size: 0.95rem;
    }

    .cta-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .cta-form input,
    .cta-form select {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-input);
      border: 1px solid var(--border);
      font-family: var(--font-sans);
      font-size: 0.92rem;
      color: var(--text-body);
      background: var(--bg);
      transition: all var(--transition);
      min-height: 44px;
    }

    .cta-form input:focus,
    .cta-form select:focus {
      border-color: var(--primary);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(20, 102, 195, 0.1);
      outline: none;
    }

    .cta-form .btn-primary {
      grid-column: span 2;
      justify-content: center;
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 16px rgba(20, 102, 195, 0.3);
      border-radius: var(--radius-btn);
      padding: 13px 20px;
      font-weight: 600;
      min-height: 44px;
    }

    .cta-form .btn-primary:hover {
      background: var(--primary-dark);
      box-shadow: 0 8px 24px rgba(20, 102, 195, 0.4);
      color: #fff;
    }

    .cta-note {
      grid-column: span 2;
      font-size: 0.78rem;
      color: var(--text-muted);
      text-align: center;
      margin-top: 4px;
    }

    /* Footer */
    .site-footer {
      background: #1A2332;
      color: #CBD5E1;
      padding: 56px 0 28px;
      margin-top: var(--section-spacing);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand .logo-text {
      color: #fff;
      font-size: 1.2rem;
    }

    .footer-brand-desc {
      font-size: 0.85rem;
      color: #94A3B8;
      line-height: 1.7;
      margin-top: 14px;
      max-width: 280px;
    }

    .footer-col-title {
      font-size: 0.85rem;
      font-weight: 600;
      color: #fff;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col ul li a {
      font-size: 0.88rem;
      color: #94A3B8;
      transition: color var(--transition);
    }

    .footer-col ul li a:hover {
      color: #fff;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      font-size: 0.82rem;
      color: #94A3B8;
    }

    .footer-bottom a {
      color: #94A3B8;
      font-weight: 500;
    }

    .footer-bottom a:hover {
      color: #fff;
    }

    .footer-bottom .footer-meta-links {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .hero-visual {
        flex-direction: row;
        flex-wrap: wrap;
      }
      .hero-visual-card {
        flex: 1;
        min-width: 280px;
      }
      .data-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px 16px;
      }
      .process-step::after {
        display: none;
      }
      .cta-section {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --section-spacing: 48px;
      }
      .site-header {
        top: 8px;
        padding: 0 8px;
      }
      .nav-panel {
        padding: 10px 14px;
        border-radius: 12px;
      }
      .nav-menu {
        display: none;
      }
      .nav-toggle {
        display: flex;
      }
      .mobile-nav {
        display: none;
      }
      .mobile-nav.open {
        display: flex;
      }
      .logo-text {
        font-size: 1rem;
      }
      .logo-icon {
        width: 34px;
        height: 34px;
        font-size: 16px;
      }
      .hero {
        padding: 32px 0 36px;
        border-radius: 0 0 16px 16px;
      }
      .hero h1 {
        font-size: 1.6rem;
      }
      .hero-subtitle {
        font-size: 0.92rem;
      }
      .hero-btn-row {
        flex-direction: column;
        align-items: flex-start;
      }
      .btn-primary,
      .btn-secondary {
        width: 100%;
        justify-content: center;
      }
      .hero-visual {
        flex-direction: column;
      }
      .hero-visual-card {
        min-width: 0;
      }
      .data-strip {
        grid-template-columns: 1fr;
        padding: 18px;
        gap: 14px;
      }
      .section-title {
        font-size: 1.35rem;
      }
      .card-grid-2,
      .card-grid-3,
      .card-grid-4 {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr 1fr;
      }
      .news-item {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .news-item img {
        width: 100%;
        height: 180px;
      }
      .guarantee-strip {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px;
      }
      .cta-section {
        padding: 24px 20px;
      }
      .cta-form {
        grid-template-columns: 1fr;
      }
      .cta-form .btn-primary,
      .cta-note {
        grid-column: span 1;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }
      .hero h1 {
        font-size: 1.4rem;
      }
      .hero-score-row {
        gap: 8px;
        justify-content: center;
      }
      .hero-stats-row {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 1.2rem;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #1466C3;
            --primary-dark: #0F54A0;
            --primary-light: #E8F0FA;
            --accent-cyan: #16A6A0;
            --accent-orange: #F97316;
            --gold: #D4AF37;
            --gold-light: #F0E0A8;
            --gold-dark: #B8963E;
            --bg: #F6F8FC;
            --bg-card: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E5EAF2;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --radius-card: 16px;
            --radius-btn: 9px;
            --radius-input: 8px;
            --radius-panel: 16px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --section-spacing: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 999;
            padding: 0 16px;
            pointer-events: none;
        }
        .nav-panel {
            pointer-events: auto;
            max-width: 1200px;
            margin: 0 auto;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            gap: 16px;
            transition: box-shadow var(--transition);
        }
        .nav-panel:hover {
            box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.3;
            white-space: nowrap;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }
        .nav-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
        }
        .nav-item .nav-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
            display: inline-block;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            flex-shrink: 0;
            pointer-events: auto;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-md);
            padding: 16px;
            gap: 8px;
            margin-top: 10px;
            pointer-events: auto;
        }
        .mobile-nav .nav-item {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 1rem;
        }
        .mobile-nav .nav-cta {
            width: 100%;
            text-align: center;
            padding: 12px;
            font-size: 0.95rem;
            margin-top: 6px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #CBD5E1;
            font-size: 0.7rem;
        }

        /* Category Page Header */
        .page-header {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px 22px;
            margin-bottom: 32px;
        }
        .page-header h1 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.3;
            margin-bottom: 10px;
        }
        .page-header .page-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.7;
            max-width: 760px;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }
        .filter-select {
            padding: 8px 36px 8px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            font-family: var(--font-sans);
            font-size: 0.88rem;
            color: var(--text-body);
            background: var(--bg-card);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            min-width: 140px;
            cursor: pointer;
            transition: border-color var(--transition);
        }
        .filter-select:focus {
            border-color: var(--primary);
            outline: none;
        }
        .filter-btn {
            padding: 8px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.18);
        }
        .filter-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(20, 102, 195, 0.28);
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-body);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }

        /* Data List */
        .section-block {
            margin-bottom: var(--section-spacing);
        }
        .section-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 20px;
            line-height: 1.35;
        }
        .section-title .accent {
            color: var(--primary);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-card .card-img {
            height: 160px;
            overflow: hidden;
            position: relative;
            background: #E8F0FA;
        }
        .data-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .data-card:hover .card-img img {
            transform: scale(1.04);
        }
        .data-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .data-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 4px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .data-card .card-tag.cyan {
            background: #E6F7F6;
            color: var(--accent-cyan);
        }
        .data-card .card-tag.orange {
            background: #FFF3E8;
            color: var(--accent-orange);
        }
        .data-card .card-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: color var(--transition);
        }
        .data-card:hover .card-title {
            color: var(--primary);
        }
        .data-card .card-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .data-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }
        .card-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .card-link .arrow {
            transition: transform var(--transition);
        }
        .card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 28px;
        }
        .tag-cloud-item {
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .tag-cloud-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }
        .tag-cloud-item.hot {
            background: #FFF3E8;
            color: var(--accent-orange);
            border-color: #FED7B0;
        }
        .tag-cloud-item.cyan {
            background: #E6F7F6;
            color: var(--accent-cyan);
            border-color: #BFE8E5;
        }

        /* Update Notice */
        .update-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 28px;
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }
        .update-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.4rem;
            color: var(--primary);
        }
        .update-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .update-content p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
        }
        .update-content .update-time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: #D5E3F5;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 16px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px 16px;
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-section .cta-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .cta-section .cta-text p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 520px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 4px 14px rgba(20, 102, 195, 0.25);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(20, 102, 195, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }

        /* Data Note */
        .data-note-card {
            background: #F0F4FA;
            border: 1px solid #DCE6F2;
            border-radius: var(--radius-card);
            padding: 22px 26px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .data-note-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: #FFFFFF;
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            border: 1px solid var(--border);
        }
        .data-note-text h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .data-note-text p {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #E2E8F0;
            padding: 52px 24px 28px;
            margin-top: 16px;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-desc {
            font-size: 0.88rem;
            color: #94A3B8;
            line-height: 1.7;
            margin-top: 14px;
            max-width: 280px;
        }
        .footer-col-title {
            font-size: 0.82rem;
            font-weight: 600;
            color: #CBD5E1;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 0.88rem;
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid #1E293B;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: #64748B;
        }
        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-meta-links a {
            color: #94A3B8;
            font-size: 0.82rem;
            transition: color var(--transition);
        }
        .footer-meta-links a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .mobile-nav.active {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .site-header {
                padding: 0 8px;
                top: 8px;
            }
            .nav-panel {
                padding: 10px 14px;
            }
            .page-header {
                padding: 20px 18px 16px;
            }
            .page-header h1 {
                font-size: 1.35rem;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-select {
                min-width: 110px;
                font-size: 0.8rem;
                padding: 7px 28px 7px 10px;
            }
            .data-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .data-card .card-img {
                height: 140px;
            }
            .tag-cloud {
                padding: 16px 18px;
                gap: 8px;
            }
            .tag-cloud-item {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .update-card {
                flex-direction: column;
                gap: 14px;
                padding: 18px 20px;
            }
            .cta-section {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }
            .cta-section .cta-text p {
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .page-header h1 {
                font-size: 1.2rem;
            }
            .data-card .card-title {
                font-size: 0.95rem;
            }
            .filter-tag {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
            .cta-btn {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1466C3;
            --primary-dark: #0F54A0;
            --primary-light: #E8F0FA;
            --accent-cyan: #16A6A0;
            --accent-orange: #F97316;
            --bg: #F6F8FC;
            --bg-card: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E5EAF2;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --radius-card: 16px;
            --radius-btn: 9px;
            --radius-input: 8px;
            --radius-panel: 16px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --section-spacing: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 999;
            padding: 0 16px;
            pointer-events: none;
        }
        .nav-panel {
            pointer-events: auto;
            max-width: 1200px;
            margin: 0 auto;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            gap: 16px;
            transition: box-shadow var(--transition);
        }
        .nav-panel:hover {
            box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.3;
            white-space: nowrap;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 13px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }
        .nav-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
        }
        .nav-item .nav-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            flex-shrink: 0;
            pointer-events: auto;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-md);
            padding: 16px;
            gap: 8px;
            margin-top: 10px;
            pointer-events: auto;
        }
        .mobile-nav .nav-item {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 1rem;
        }
        .mobile-nav .nav-cta {
            width: 100%;
            text-align: center;
            padding: 12px;
            font-size: 0.95rem;
            margin-top: 6px;
        }
        main {
            padding: 32px 0 72px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #CBD5E1;
        }
        .page-head {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 26px 28px;
            margin-bottom: 28px;
        }
        .page-head h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .page-head .head-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0 0 16px;
            line-height: 1.7;
            max-width: 720px;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .filter-btn {
            padding: 6px 14px;
            font-size: 0.82rem;
            border-radius: 7px;
            background: var(--bg);
            color: var(--text-body);
            border: 1px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .sort-select {
            padding: 6px 12px;
            font-size: 0.82rem;
            border-radius: 7px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            font-family: var(--font-sans);
            cursor: pointer;
        }
        .sort-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(20, 102, 195, 0.15);
        }
        .section-block {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 6px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0 0 22px;
            line-height: 1.7;
            max-width: 720px;
        }
        .teams-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .team-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .team-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .team-card.featured {
            grid-column: span 2;
            flex-direction: row;
        }
        .team-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #e2e8f0;
        }
        .team-card.featured .team-card-img {
            width: 40%;
            height: auto;
            min-height: 220px;
            flex-shrink: 0;
        }
        .team-card-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .team-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 5px;
            background: var(--primary-light);
            color: var(--primary);
            width: fit-content;
            letter-spacing: 0.3px;
        }
        .team-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0;
            line-height: 1.4;
        }
        .team-desc {
            font-size: 0.87rem;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .team-stats {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .team-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .team-stats .stat-val {
            font-weight: 600;
            color: var(--accent-cyan);
            font-variant-numeric: tabular-nums;
        }
        .team-link {
            align-self: flex-start;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .team-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 22px 24px;
        }
        .tag-chip {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.82rem;
            border-radius: 7px;
            background: var(--bg);
            color: var(--text-body);
            border: 1px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .tag-chip:hover {
            background: var(--primary-light);
            border-color: #D5E3F5;
            color: var(--primary);
        }
        .trending-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .trend-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            padding: 16px;
            text-align: center;
            transition: all var(--transition);
        }
        .trend-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .trend-rank {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-orange);
            margin-bottom: 4px;
        }
        .trend-card h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-heading);
            margin: 0 0 4px;
        }
        .trend-card p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin: 0;
        }
        .data-note {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 28px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .data-note-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .data-note-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 6px;
        }
        .data-note-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.75;
            max-width: 800px;
        }
        .faq-block {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 28px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-heading);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 4px 0;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-toggle-icon {
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .faq-item[open] summary .faq-toggle-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.75;
            padding-top: 8px;
            max-width: 800px;
        }
        .subscribe-cta {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        .subscribe-cta-info {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-cta-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 6px;
        }
        .subscribe-cta-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input,
        .subscribe-form select {
            padding: 10px 14px;
            font-size: 0.88rem;
            border-radius: var(--radius-input);
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            font-family: var(--font-sans);
            min-width: 160px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input:focus,
        .subscribe-form select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(20, 102, 195, 0.15);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            border: 1px solid var(--primary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--primary-light);
        }
        .related-entry {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            padding: 18px 16px;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .related-card .rel-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .related-card h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-heading);
            margin: 0;
            line-height: 1.4;
        }
        .related-card .rel-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin: 2px 0 0;
        }
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            color: #94A3B8;
            line-height: 1.7;
            margin: 12px 0 0;
            max-width: 300px;
        }
        .footer-col h3 {
            font-size: 0.92rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid #1E293B;
            font-size: 0.8rem;
            color: #94A3B8;
        }
        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-meta-links a {
            color: #94A3B8;
            font-size: 0.8rem;
        }
        .footer-meta-links a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .teams-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-card.featured {
                grid-column: span 2;
            }
            .trending-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .related-entry {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-panel {
                flex-wrap: wrap;
                padding: 10px 16px;
            }
            .nav-menu {
                order: 3;
                width: 100%;
                gap: 6px;
            }
            .nav-item {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                padding: 0 8px;
            }
            .nav-panel {
                padding: 10px 14px;
            }
            .nav-menu {
                display: none;
            }
            .nav-cta.desktop-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.visible {
                display: flex;
            }
            .mobile-nav .nav-cta {
                display: block;
            }
            .teams-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .team-card.featured {
                grid-column: span 1;
                flex-direction: column;
            }
            .team-card.featured .team-card-img {
                width: 100%;
                height: 180px;
                min-height: auto;
                flex-shrink: initial;
            }
            .trending-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .related-entry {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .page-head {
                padding: 20px;
            }
            .page-head h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .subscribe-cta {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form input,
            .subscribe-form select {
                width: 100%;
                min-width: auto;
            }
            .btn-primary {
                width: 100%;
            }
            main {
                padding: 20px 0 48px;
            }
            :root {
                --section-spacing: 40px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .trending-grid {
                grid-template-columns: 1fr;
            }
            .filter-btn {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .sort-select {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .team-card-body {
                padding: 14px 16px;
            }
            .data-note {
                padding: 18px;
                flex-direction: column;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1466C3;
            --primary-dark: #0F54A0;
            --primary-light: #E8F0FA;
            --accent-cyan: #16A6A0;
            --accent-orange: #F97316;
            --gold: #D4AF37;
            --gold-light: #F0E0A8;
            --gold-dark: #B8963E;
            --bg: #F6F8FC;
            --bg-card: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E5EAF2;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --radius-card: 16px;
            --radius-btn: 9px;
            --radius-input: 8px;
            --radius-panel: 16px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --section-spacing: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 999;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-panel {
            pointer-events: auto;
            max-width: 1200px;
            margin: 0 auto;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            gap: 16px;
            transition: box-shadow var(--transition);
        }

        .nav-panel:hover {
            box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.3;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }

        .nav-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
        }

        .nav-item .nav-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
            display: inline-block;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            flex-shrink: 0;
            pointer-events: auto;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-md);
            padding: 16px;
            gap: 8px;
            margin-top: 10px;
            pointer-events: auto;
        }

        .mobile-nav .nav-item {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 1rem;
        }

        .mobile-nav .nav-cta {
            width: 100%;
            text-align: center;
            padding: 12px;
            font-size: 0.95rem;
            margin-top: 6px;
        }

        /* Main */
        main {
            padding: 32px 0 var(--section-spacing);
            min-height: 60vh;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Category Header */
        .category-header {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 28px;
            margin-bottom: 28px;
        }

        .category-header h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .category-header .category-desc {
            font-size: 0.98rem;
            color: var(--text-muted);
            margin: 0 0 16px;
            max-width: 780px;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .filter-bar select,
        .filter-bar input[type="date"],
        .filter-bar .filter-btn {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            padding: 9px 14px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            min-height: 44px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .filter-bar select:focus,
        .filter-bar input[type="date"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(20, 102, 195, 0.1);
            outline: none;
        }

        .filter-btn {
            background: var(--primary) !important;
            color: #fff !important;
            font-weight: 600;
            border: none !important;
            cursor: pointer;
            padding: 9px 22px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .filter-btn:hover {
            background: var(--primary-dark) !important;
            box-shadow: 0 4px 14px rgba(20, 102, 195, 0.3);
        }

        .hot-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .hot-chips .chip-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .chip {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            border: 1px solid #D5E3F5;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .chip:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Match List */
        .match-list-section {
            margin-bottom: 36px;
        }

        .section-heading-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .section-heading-row h2 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0;
        }

        .section-heading-row .view-more-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
        }

        .section-heading-row .view-more-link:hover {
            color: var(--primary-dark);
        }

        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px 22px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .match-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .match-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }

        .league-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .match-status {
            font-size: 0.82rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            background: #FEF3E2;
            color: var(--accent-orange);
        }

        .match-status.finished {
            background: #E8F5F0;
            color: #0F9D6E;
        }

        .match-status.upcoming {
            background: #EDEFF3;
            color: var(--text-muted);
        }

        .match-body {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .team-info {
            flex: 1;
            min-width: 120px;
        }

        .team-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.4;
        }

        .team-name .home-away {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 6px;
        }

        .match-score {
            flex-shrink: 0;
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 2px;
            tabular-nums: numeric;
            font-variant-numeric: tabular-nums;
            min-width: 100px;
        }

        .match-score .score-divider {
            color: var(--text-muted);
            font-weight: 400;
            margin: 0 2px;
        }

        .match-score .live-indicator {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-orange);
            display: block;
            letter-spacing: 0;
            margin-top: 2px;
        }

        .match-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .match-detail-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            padding: 6px 12px;
            border-radius: 6px;
            border: 1px solid #D5E3F5;
            transition: all var(--transition);
            display: inline-block;
        }

        .match-detail-link:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* League tags cloud */
        .league-tags-section {
            margin-bottom: 36px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 28px;
        }

        .league-tags-section h2 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 14px;
        }

        .league-tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .league-tag-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-body);
            border-radius: 8px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .league-tag-large:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }

        .league-tag-large .tag-count {
            font-size: 0.78rem;
            color: var(--text-muted);
            background: #fff;
            padding: 2px 8px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        /* Popular Leagues */
        .popular-leagues-section {
            margin-bottom: 36px;
        }

        .popular-leagues-section h2 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 16px;
        }

        .popular-league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .popular-league-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 18px;
            text-align: center;
            transition: all var(--transition);
            display: block;
        }

        .popular-league-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .popular-league-card img {
            width: 100%;
            height: 100px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .popular-league-card .league-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            margin: 0 0 4px;
        }

        .popular-league-card .league-info {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Update notice */
        .update-notice {
            margin-bottom: 36px;
            background: #FFFBF0;
            border: 1px solid #F0E0A8;
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            flex-wrap: wrap;
        }

        .update-notice .notice-icon {
            font-size: 1.5rem;
            flex-shrink: 0;
            color: var(--gold-dark);
        }

        .update-notice .notice-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 4px;
        }

        .update-notice .notice-content p {
            font-size: 0.9rem;
            color: var(--text-body);
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            margin-bottom: 36px;
        }

        .faq-section h2 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 16px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: #F9FAFD;
        }

        .faq-question .faq-toggle-icon {
            font-size: 1.1rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-toggle-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-body);
            margin: 0;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-section h2 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 6px;
        }

        .cta-section p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .cta-form input[type="email"],
        .cta-form input[type="text"] {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            padding: 11px 16px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            min-width: 220px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(20, 102, 195, 0.1);
            outline: none;
        }

        .cta-submit-btn {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
        }

        .cta-submit-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #E2E8F0;
            padding: 48px 0 24px;
            margin-top: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            color: #94A3B8;
            margin: 12px 0 0;
            line-height: 1.7;
        }

        .footer-col-title {
            font-size: 1rem;
            font-weight: 700;
            color: #F1F5F9;
            margin: 0 0 12px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #A5B4C6;
            font-size: 0.88rem;
            transition: color var(--transition);
            display: inline-block;
            padding: 2px 0;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: #94A3B8;
        }

        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-meta-links a {
            color: #A5B4C6;
            font-size: 0.82rem;
            transition: color var(--transition);
        }

        .footer-meta-links a:hover {
            color: #fff;
        }

        .footer-meta-links span {
            color: #475569;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .popular-league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta.desktop-cta {
                display: none;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: flex;
            }
            .match-grid {
                grid-template-columns: 1fr;
            }
            .category-header h1 {
                font-size: 1.4rem;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .hot-chips {
                margin-left: 0;
                margin-top: 8px;
            }
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
            }
            .cta-form {
                width: 100%;
                flex-direction: column;
            }
            .cta-form input[type="email"],
            .cta-form input[type="text"] {
                width: 100%;
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .popular-league-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-header {
                padding: 18px 16px;
            }
            .match-card {
                padding: 16px;
            }
            .match-score {
                font-size: 1.4rem;
                min-width: 70px;
            }
            .team-name {
                font-size: 0.92rem;
            }
            .section-heading-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-section {
                padding: 16px;
            }
            .league-tags-section {
                padding: 18px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1466C3;
            --primary-dark: #0F54A0;
            --primary-light: #E8F0FA;
            --accent-cyan: #16A6A0;
            --accent-orange: #F97316;
            --gold: #D4AF37;
            --gold-light: #F0E0A8;
            --gold-dark: #B8963E;
            --bg: #F6F8FC;
            --bg-card: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E5EAF2;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --radius-card: 16px;
            --radius-btn: 9px;
            --radius-input: 8px;
            --radius-panel: 16px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --section-spacing: 72px;
        }

        @media (max-width: 767px) {
            :root {
                --section-spacing: 48px;
            }
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 999;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-panel {
            pointer-events: auto;
            max-width: 1200px;
            margin: 0 auto;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            gap: 16px;
            transition: box-shadow var(--transition);
        }

        .nav-panel:hover {
            box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.3;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
            min-height: 44px;
        }

        .nav-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }

        .nav-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
        }

        .nav-item .nav-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            flex-shrink: 0;
            pointer-events: auto;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-md);
            padding: 16px;
            gap: 8px;
            margin-top: 10px;
            pointer-events: auto;
        }

        .mobile-nav .nav-item {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 1rem;
            min-height: 44px;
        }

        .mobile-nav .nav-cta {
            width: 100%;
            text-align: center;
            padding: 12px;
            font-size: 0.95rem;
            margin-top: 6px;
            justify-content: center;
            min-height: 44px;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 28px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

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

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: #B0B8C5;
        }

        .breadcrumb .current {
            color: var(--text-heading);
            font-weight: 500;
        }

        /* Category Header */
        .category-header {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px 24px;
            margin-bottom: 24px;
        }

        .category-header-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .category-header h1 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        .category-header .category-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 720px;
            margin-top: 8px;
        }

        .filter-sort-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: 20px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-body);
            transition: all var(--transition);
            min-height: 44px;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.2);
        }

        .sort-group {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .sort-btn {
            padding: 6px 14px;
            font-size: 0.82rem;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-body);
            transition: all var(--transition);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
        }

        .sort-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .sort-btn.active {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }

        /* Main Content Area */
        main {
            padding: 24px 0 48px;
        }

        .section {
            margin-bottom: var(--section-spacing);
        }

        .section-header {
            margin-bottom: 24px;
        }

        .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 6px;
            max-width: 680px;
        }

        /* Insight Cards Grid */
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .insight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #D5E3F5;
        }

        .insight-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-light);
        }

        .insight-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .insight-card:hover .insight-card-image img {
            transform: scale(1.04);
        }

        .insight-card-image .badge-overlay {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 5px 12px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.02em;
            backdrop-filter: blur(4px);
        }

        .insight-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .insight-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .insight-card-meta .date {
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.02em;
        }

        .insight-card-meta .badge-tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 4px;
            font-weight: 500;
            font-size: 0.75rem;
        }

        .insight-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .insight-card:hover h3 {
            color: var(--primary);
        }

        .insight-card .excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .btn-detail {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid #D5E3F5;
            transition: all var(--transition);
            align-self: flex-start;
            min-height: 44px;
        }

        .btn-detail:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(20, 102, 195, 0.25);
        }

        .btn-detail:active {
            transform: scale(0.97);
        }

        /* Tag Cloud */
        .tag-cloud-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-body);
            transition: all var(--transition);
            min-height: 44px;
        }

        .tag-item:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .tag-item .tag-count {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-left: 6px;
            font-variant-numeric: tabular-nums;
        }

        .tag-item:hover .tag-count {
            color: var(--primary);
        }

        /* Hot Insights Sidebar */
        .hot-insight-row {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            min-height: 44px;
        }

        .hot-insight-row:last-child {
            border-bottom: none;
        }

        .hot-insight-row:hover {
            padding-left: 6px;
        }

        .hot-rank {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            min-width: 32px;
            flex-shrink: 0;
        }

        .hot-rank.top1 {
            color: var(--accent-orange);
        }

        .hot-rank.top2 {
            color: var(--primary);
        }

        .hot-rank.top3 {
            color: var(--accent-cyan);
        }

        .hot-content {
            flex: 1;
            min-width: 0;
        }

        .hot-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 3px;
        }

        .hot-content .hot-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Update Note */
        .update-note-card {
            background: var(--primary-light);
            border: 1px solid #D5E3F5;
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex-wrap: wrap;
        }

        .update-note-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .update-note-content {
            flex: 1;
            min-width: 240px;
        }

        .update-note-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .update-note-content p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-cta .cta-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .subscribe-cta .cta-text p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 280px;
            flex: 1;
            max-width: 420px;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 11px 16px;
            font-size: 0.9rem;
            font-family: var(--font-sans);
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            background: #fff;
            color: var(--text-heading);
            transition: all var(--transition);
            min-height: 44px;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: #9AA4B2;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(20, 102, 195, 0.12);
            outline: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 24px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            transition: all var(--transition);
            min-height: 44px;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.3);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        /* Footer */
        .site-footer {
            background: #14263D;
            color: #C7D2E0;
            padding: 48px 0 24px;
            margin-top: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: #9AA7BB;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: #C7D2E0;
            font-size: 0.85rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            min-height: 44px;
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: #9AA7BB;
        }

        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-meta-links a {
            color: #C7D2E0;
            text-decoration: none;
            transition: color var(--transition);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
        }

        .footer-meta-links a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 6px;
            }
            .nav-item {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .site-header {
                padding: 0 10px;
                top: 10px;
            }
            .nav-panel {
                padding: 10px 14px;
                gap: 10px;
            }
            .nav-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav.open {
                display: flex;
            }
            .mobile-nav .nav-cta {
                display: flex;
            }
            .category-header {
                padding: 20px 18px 18px;
            }
            .category-header h1 {
                font-size: 1.45rem;
            }
            .insight-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .tag-cloud-card {
                padding: 20px 18px;
            }
            .update-note-card {
                padding: 18px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-cta {
                padding: 20px 18px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                max-width: 100%;
                width: 100%;
            }
            .subscribe-form input[type="email"] {
                min-width: 100%;
                width: 100%;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .filter-sort-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .insight-card-body {
                padding: 16px 16px 18px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1466C3;
            --primary-dark: #0F54A0;
            --primary-light: #E8F0FA;
            --accent-cyan: #16A6A0;
            --accent-orange: #F97316;
            --gold: #D4AF37;
            --gold-light: #F0E0A8;
            --gold-dark: #B8963E;
            --bg: #F6F8FC;
            --bg-card: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E5EAF2;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --radius-card: 16px;
            --radius-btn: 9px;
            --radius-input: 8px;
            --radius-panel: 16px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --section-spacing: 48px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 999;
            padding: 0 16px;
            pointer-events: none;
        }

        .nav-panel {
            pointer-events: auto;
            max-width: 1200px;
            margin: 0 auto;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            gap: 16px;
            transition: box-shadow var(--transition);
        }

        .nav-panel:hover {
            box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex-shrink: 0;
            color: var(--text-heading);
        }

        .logo-link:hover {
            color: var(--text-heading);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.3;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #D5E3F5;
        }

        .nav-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
        }

        .nav-item .nav-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            flex-shrink: 0;
            pointer-events: auto;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-md);
            padding: 16px;
            gap: 8px;
            margin-top: 10px;
            pointer-events: auto;
        }

        .mobile-nav .nav-item {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 1rem;
        }

        .mobile-nav .nav-cta {
            width: 100%;
            text-align: center;
            padding: 12px;
            font-size: 0.95rem;
            margin-top: 6px;
            justify-content: center;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 20px 0 4px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: #B0B7C3;
            font-size: 0.8rem;
        }

        .breadcrumb .current {
            color: var(--text-heading);
            font-weight: 500;
        }

        /* Category Header */
        .category-header {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 32px 36px;
            margin: 16px 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
        }

        .category-header-left {
            flex: 1 1 60%;
            min-width: 280px;
        }

        .category-header h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 8px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .category-header .subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
            max-width: 640px;
        }

        .category-header-right {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 7px 16px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: var(--bg);
            color: var(--text-body);
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
        }

        /* Article List Section */
        .insights-list-section {
            padding: 8px 0 0;
        }

        .list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 20px;
            margin-top: 8px;
        }

        .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            position: relative;
        }

        .insight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #CDDCEE;
        }

        .insight-card .card-image-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #ECEFF4;
        }

        .insight-card .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .insight-card:hover .card-image-wrap img {
            transform: scale(1.04);
        }

        .insight-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .insight-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .insight-card .card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .insight-card .card-date .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent-orange);
            flex-shrink: 0;
        }

        .insight-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 8px;
            line-height: 1.45;
            transition: color var(--transition);
        }

        .insight-card:hover .card-title {
            color: var(--primary);
        }

        .insight-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }

        .insight-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .insight-card .card-tag {
            font-size: 0.75rem;
            color: var(--text-muted);
            background: var(--bg);
            padding: 4px 10px;
            border-radius: 5px;
            border: 1px solid var(--border);
        }

        .insight-card .read-more {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            padding: 4px 0;
        }

        .insight-card .read-more:hover {
            color: var(--primary-dark);
            gap: 7px;
        }

        .insight-card .read-more .arrow {
            font-size: 0.9rem;
            transition: transform var(--transition);
        }

        .insight-card .read-more:hover .arrow {
            transform: translateX(3px);
        }

        /* Tag Cloud Section */
        .tag-cloud-section {
            padding: 40px 0 8px;
        }

        .section-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 5px;
        }

        .section-heading {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .section-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0 0 18px;
            line-height: 1.7;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 4px 0;
        }

        .tag-cloud .cloud-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-body);
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition);
            cursor: default;
        }

        .tag-cloud .cloud-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .tag-cloud .cloud-tag .tag-count {
            font-size: 0.7rem;
            color: var(--text-muted);
            background: var(--bg);
            padding: 1px 7px;
            border-radius: 10px;
        }

        /* Hot Insights Section */
        .hot-insights-section {
            padding: 40px 0 8px;
        }

        .hot-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 16px;
        }

        .hot-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 18px 20px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hot-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #CDDCEE;
            transform: translateY(-2px);
        }

        .hot-item .hot-label {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-orange);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .hot-item .hot-title {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-heading);
            line-height: 1.5;
            transition: color var(--transition);
        }

        .hot-item:hover .hot-title {
            color: var(--primary);
        }

        .hot-item .hot-stats {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hot-item .hot-stats .stat-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent-cyan);
        }

        /* Update Notice Section */
        .update-notice-section {
            padding: 40px 0 8px;
        }

        .notice-card {
            background: var(--primary-light);
            border: 1px solid #D5E3F5;
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex-wrap: wrap;
        }

        .notice-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .notice-content {
            flex: 1;
            min-width: 260px;
        }

        .notice-content h3 {
            margin: 0 0 6px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
        }

        .notice-content p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.75;
        }

        .notice-content .update-time {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .notice-content .update-time .pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Subscribe CTA Section */
        .subscribe-cta-section {
            padding: 40px 0 24px;
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            border-radius: 4px 0 0 4px;
        }

        .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-text h3 {
            margin: 0 0 6px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
        }

        .cta-text p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .cta-form input[type="email"] {
            min-width: 240px;
            padding: 12px 16px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border);
            font-size: 0.9rem;
            font-family: var(--font-sans);
            color: var(--text-heading);
            background: var(--bg);
            transition: all var(--transition);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(20, 102, 195, 0.12);
            outline: none;
        }

        .cta-form input[type="email"]::placeholder {
            color: #A0AEC0;
        }

        .cta-form .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            font-family: var(--font-sans);
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cta-form .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
            transform: translateY(-1px);
        }

        .cta-form .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(20, 102, 195, 0.2);
        }

        /* Footer */
        .site-footer {
            background: #0F1B2D;
            color: #C9D1DE;
            margin-top: 48px;
            padding: 56px 0 28px;
            border-radius: 20px 20px 0 0;
        }

        .site-footer .container {
            max-width: 1200px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            line-height: 1.8;
            color: #A5B0C0;
            margin: 0;
        }

        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #C9D1DE;
            font-size: 0.88rem;
            transition: all var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: #A5B0C0;
        }

        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-meta-links a {
            color: #C9D1DE;
            font-size: 0.82rem;
            transition: all var(--transition);
        }

        .footer-meta-links a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 4px;
            }

            .nav-item {
                padding: 6px 10px;
                font-size: 0.82rem;
            }

            .nav-cta {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing: 40px;
            }

            .container {
                padding: 0 16px;
            }

            .nav-menu {
                display: none;
            }

            .nav-cta.desktop-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-nav {
                display: none;
            }

            .mobile-nav.open {
                display: flex;
            }

            .category-header {
                padding: 20px 18px;
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                border-radius: 14px;
            }

            .category-header h1 {
                font-size: 1.35rem;
            }

            .category-header-right {
                width: 100%;
            }

            .filter-bar {
                flex-wrap: wrap;
                gap: 6px;
            }

            .list-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .insight-card .card-body {
                padding: 14px 16px 16px;
            }

            .notice-card {
                padding: 18px 16px;
                flex-direction: column;
                gap: 12px;
            }

            .cta-card {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-form {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }

            .cta-form input[type="email"] {
                min-width: 0;
                width: 100%;
            }

            .cta-form .btn-primary {
                width: 100%;
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 8px;
                padding: 0 8px;
            }

            .nav-panel {
                padding: 10px 14px;
                border-radius: 12px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }

            .logo-text {
                font-size: 1rem;
            }

            .category-header h1 {
                font-size: 1.2rem;
            }

            .breadcrumb {
                font-size: 0.78rem;
                padding: 12px 0 2px;
            }

            .section-heading {
                font-size: 1.2rem;
            }

            .hot-list {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category6 */
:root {
        --primary: #1466C3;
        --primary-dark: #0F54A0;
        --primary-light: #E8F0FA;
        --accent-cyan: #16A6A0;
        --accent-orange: #F97316;
        --gold: #D4AF37;
        --gold-light: #F0E0A8;
        --gold-dark: #B8963E;
        --bg: #F6F8FC;
        --bg-card: #FFFFFF;
        --text-heading: #0F172A;
        --text-body: #334155;
        --text-muted: #64748B;
        --border: #E5EAF2;
        --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
        --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
        --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
        --radius-card: 16px;
        --radius-btn: 9px;
        --radius-input: 8px;
        --radius-panel: 16px;
        --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --section-spacing: 72px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-body);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition), opacity var(--transition);
    }
    a:hover {
        color: var(--primary-dark);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--accent-cyan);
        outline-offset: 3px;
        border-radius: 4px;
    }
    button {
        font-family: var(--font-sans);
        cursor: pointer;
        border: none;
        background: none;
        font-size: 1rem;
        transition: all var(--transition);
    }
    ul,
    ol {
        list-style: none;
    }
    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* Header & Navigation */
    .site-header {
        position: sticky;
        top: 16px;
        z-index: 999;
        padding: 0 16px;
        pointer-events: none;
    }
    .nav-panel {
        pointer-events: auto;
        max-width: 1200px;
        margin: 0 auto;
        background: #FFFFFF;
        border: 1px solid var(--border);
        border-radius: var(--radius-panel);
        box-shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 20px;
        gap: 16px;
        transition: box-shadow var(--transition);
    }
    .nav-panel:hover {
        box-shadow: 0 8px 28px rgba(15, 23, 42, 0.12);
    }
    .logo-link {
        display: flex;
        align-items: center;
        gap: 10px;
        min-width: 0;
        flex-shrink: 0;
        color: inherit;
    }
    .logo-link:hover {
        color: inherit;
    }
    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        letter-spacing: -0.5px;
        flex-shrink: 0;
    }
    .logo-text {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-heading);
        line-height: 1.3;
        white-space: nowrap;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .nav-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 7px 14px;
        font-size: 0.88rem;
        font-weight: 500;
        color: var(--text-body);
        border-radius: 8px;
        background: transparent;
        border: 1px solid transparent;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .nav-item:hover {
        background: var(--primary-light);
        color: var(--primary);
        border-color: #D5E3F5;
    }
    .nav-item.active {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        box-shadow: 0 2px 8px rgba(20, 102, 195, 0.25);
    }
    .nav-item .nav-icon {
        width: 18px;
        height: 18px;
        flex-shrink: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .nav-cta {
        background: var(--primary);
        color: #fff;
        padding: 9px 20px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 0.88rem;
        white-space: nowrap;
        flex-shrink: 0;
        transition: all var(--transition);
        box-shadow: 0 2px 10px rgba(20, 102, 195, 0.22);
    }
    .nav-cta:hover {
        background: var(--primary-dark);
        box-shadow: 0 6px 18px rgba(20, 102, 195, 0.32);
        transform: translateY(-1px);
        color: #fff;
    }
    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 8px;
        background: var(--bg);
        border: 1px solid var(--border);
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        flex-shrink: 0;
        pointer-events: auto;
    }
    .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-heading);
        border-radius: 2px;
        transition: all var(--transition);
    }
    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .mobile-nav {
        display: none;
        flex-direction: column;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-panel);
        box-shadow: var(--shadow-md);
        padding: 16px;
        gap: 8px;
        margin-top: 10px;
        pointer-events: auto;
    }
    .mobile-nav .nav-item {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 16px;
        font-size: 1rem;
    }
    .mobile-nav .nav-cta {
        width: 100%;
        text-align: center;
        padding: 12px;
        font-size: 0.95rem;
        margin-top: 6px;
    }
    .mobile-nav.open {
        display: flex;
    }

    /* Breadcrumb */
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--text-muted);
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--text-muted);
    }
    .breadcrumb a:hover {
        color: var(--primary);
    }
    .breadcrumb .sep {
        color: var(--text-muted);
        opacity: 0.5;
    }
    .breadcrumb .current {
        color: var(--text-heading);
        font-weight: 500;
    }

    /* Category Header */
    .cat-header {
        padding: 36px 0 20px;
    }
    .cat-header .container {
        max-width: 1200px;
    }
    .cat-header-inner {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-sm);
        padding: 28px 32px 24px;
    }
    .cat-header h1 {
        font-size: 1.85rem;
        font-weight: 700;
        color: var(--text-heading);
        line-height: 1.3;
        margin: 10px 0 8px;
        letter-spacing: -0.5px;
    }
    .cat-header .cat-desc {
        font-size: 0.95rem;
        color: var(--text-muted);
        max-width: 720px;
        line-height: 1.7;
    }
    .filter-bar {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        margin-top: 18px;
        padding-top: 18px;
        border-top: 1px solid var(--border);
    }
    .filter-bar select,
    .filter-bar input {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-input);
        padding: 8px 14px;
        font-size: 0.85rem;
        color: var(--text-body);
        font-family: var(--font-sans);
        min-width: 140px;
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    .filter-bar select:focus,
    .filter-bar input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(20, 102, 195, 0.1);
        outline: none;
    }
    .filter-bar input {
        min-width: 200px;
    }
    .filter-bar .filter-label {
        font-size: 0.82rem;
        color: var(--text-muted);
        font-weight: 500;
        white-space: nowrap;
    }
    .filter-btn {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-btn);
        padding: 8px 18px;
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--text-body);
        display: inline-flex;
        align-items: center;
        gap: 5px;
        transition: all var(--transition);
    }
    .filter-btn:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: var(--primary-light);
    }
    .filter-btn.active {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

    /* Section common */
    section {
        padding: var(--section-spacing) 0;
    }
    section:nth-child(odd) {
        background: var(--bg);
    }
    section:nth-child(even) {
        background: #fff;
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--primary);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 10px;
    }
    .section-label::before {
        content: '';
        width: 18px;
        height: 3px;
        background: var(--accent-orange);
        border-radius: 2px;
    }
    .section-title {
        font-size: 1.6rem;
        font-weight: 700;
        color: var(--text-heading);
        line-height: 1.35;
        margin-bottom: 14px;
        letter-spacing: -0.3px;
    }
    .section-desc {
        font-size: 0.95rem;
        color: var(--text-muted);
        max-width: 640px;
        line-height: 1.8;
    }

    /* News list */
    .news-list-section {
        background: #fff;
    }
    .news-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 28px;
    }
    .news-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    .news-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
        border-color: #D5E3F5;
    }
    .news-card .news-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        flex-shrink: 0;
        transition: transform 0.5s ease;
    }
    .news-card:hover .news-img {
        transform: scale(1.03);
    }
    .news-card .news-body {
        padding: 20px 22px 22px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .news-card .news-tag {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 0.72rem;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        border-radius: 4px;
        padding: 3px 10px;
        margin-bottom: 10px;
        letter-spacing: 0.02em;
        text-transform: uppercase;
        align-self: flex-start;
    }
    .news-card .news-title {
        font-size: 1.08rem;
        font-weight: 600;
        color: var(--text-heading);
        line-height: 1.45;
        margin-bottom: 8px;
        letter-spacing: -0.2px;
    }
    .news-card .news-summary {
        font-size: 0.88rem;
        color: var(--text-body);
        line-height: 1.75;
        flex: 1;
    }
    .news-card .news-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--border);
        gap: 10px;
        flex-wrap: wrap;
    }
    .news-card .news-date {
        font-size: 0.78rem;
        color: var(--text-muted);
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-variant-numeric: tabular-nums;
    }
    .news-card .news-date::before {
        content: '📅';
        font-size: 0.72rem;
    }
    .btn-read {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 7px 16px;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--primary);
        background: transparent;
        border: 1px solid var(--border);
        border-radius: var(--radius-btn);
        transition: all var(--transition);
        font-family: var(--font-sans);
    }
    .btn-read:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        box-shadow: 0 2px 8px rgba(20, 102, 195, 0.22);
    }
    .btn-read:active {
        transform: translateY(1px);
    }
    .news-list-footer {
        display: flex;
        justify-content: center;
        margin-top: 28px;
    }
    .btn-more {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 11px 28px;
        font-size: 0.9rem;
        font-weight: 600;
        color: #fff;
        background: var(--primary);
        border-radius: var(--radius-btn);
        transition: all var(--transition);
        box-shadow: 0 2px 10px rgba(20, 102, 195, 0.2);
    }
    .btn-more:hover {
        background: var(--primary-dark);
        box-shadow: 0 6px 18px rgba(20, 102, 195, 0.3);
        transform: translateY(-1px);
    }

    /* Tag cloud */
    .tag-cloud-section {
        background: var(--bg);
    }
    .tag-cloud {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
        margin-top: 22px;
    }
    .tag-cloud .tag {
        display: inline-flex;
        align-items: center;
        padding: 8px 18px;
        font-size: 0.82rem;
        font-weight: 500;
        color: var(--text-body);
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 20px;
        transition: all var(--transition);
        cursor: default;
    }
    .tag-cloud .tag:hover {
        background: var(--primary-light);
        color: var(--primary);
        border-color: #D5E3F5;
        transform: translateY(-1px);
        box-shadow: var(--shadow-sm);
    }
    .tag-cloud .tag.highlight {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        font-weight: 600;
    }

    /* Top read list */
    .top-read-section {
        background: #fff;
    }
    .top-read-list {
        display: flex;
        flex-direction: column;
        gap: 0;
        margin-top: 22px;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }
    .top-read-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 16px 22px;
        border-bottom: 1px solid var(--border);
        transition: background var(--transition);
        cursor: default;
    }
    .top-read-item:last-child {
        border-bottom: none;
    }
    .top-read-item:hover {
        background: var(--primary-light);
    }
    .top-read-rank {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        background: var(--bg);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.95rem;
        color: var(--text-muted);
        flex-shrink: 0;
        font-variant-numeric: tabular-nums;
    }
    .top-read-item:nth-child(1) .top-read-rank {
        background: var(--gold-light);
        color: var(--gold-dark);
    }
    .top-read-item:nth-child(2) .top-read-rank {
        background: #E8EFF7;
        color: #446A9B;
    }
    .top-read-item:nth-child(3) .top-read-rank {
        background: #FDE8D7;
        color: #B05A1B;
    }
    .top-read-info {
        flex: 1;
        min-width: 0;
    }
    .top-read-info .top-read-title {
        font-size: 0.92rem;
        font-weight: 600;
        color: var(--text-heading);
        line-height: 1.5;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .top-read-info .top-read-date {
        font-size: 0.75rem;
        color: var(--text-muted);
        margin-top: 2px;
        font-variant-numeric: tabular-nums;
    }
    .top-read-arrow {
        font-size: 0.8rem;
        color: var(--text-muted);
        flex-shrink: 0;
    }

    /* Subscribe CTA */
    .subscribe-cta-section {
        background: var(--bg);
    }
    .subscribe-card {
        max-width: 760px;
        margin: 0 auto;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 36px 40px;
        text-align: center;
        box-shadow: var(--shadow-md);
    }
    .subscribe-card h2 {
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--text-heading);
        margin-bottom: 8px;
    }
    .subscribe-card p {
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-bottom: 22px;
        line-height: 1.7;
    }
    .subscribe-form {
        display: flex;
        gap: 10px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .subscribe-form input {
        width: 100%;
        max-width: 300px;
        padding: 11px 18px;
        font-size: 0.88rem;
        border: 1px solid var(--border);
        border-radius: var(--radius-input);
        background: var(--bg);
        font-family: var(--font-sans);
        color: var(--text-body);
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    .subscribe-form input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(20, 102, 195, 0.1);
        outline: none;
    }
    .subscribe-form button {
        padding: 11px 26px;
        font-size: 0.88rem;
        font-weight: 600;
        color: #fff;
        background: var(--primary);
        border-radius: var(--radius-btn);
        transition: all var(--transition);
        box-shadow: 0 2px 8px rgba(20, 102, 195, 0.2);
    }
    .subscribe-form button:hover {
        background: var(--primary-dark);
        box-shadow: 0 6px 16px rgba(20, 102, 195, 0.3);
        transform: translateY(-1px);
    }

    /* Data note card */
    .data-note-section {
        background: #fff;
    }
    .data-note-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        margin-top: 24px;
    }
    .data-note-card {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 22px 20px;
        transition: all var(--transition);
    }
    .data-note-card:hover {
        box-shadow: var(--shadow-sm);
        transform: translateY(-2px);
    }
    .data-note-card .note-icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    .data-note-card h3 {
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-heading);
        margin-bottom: 6px;
    }
    .data-note-card p {
        font-size: 0.82rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* Related sections */
    .related-sections {
        background: var(--bg);
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 14px;
        margin-top: 24px;
    }
    .related-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 20px 18px;
        text-align: center;
        transition: all var(--transition);
        box-shadow: var(--shadow-sm);
        display: block;
        color: inherit;
    }
    .related-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
        color: inherit;
        border-color: #D5E3F5;
    }
    .related-card .rel-icon {
        width: 42px;
        height: 42px;
        border-radius: 10px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        margin: 0 auto 10px;
    }
    .related-card h3 {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text-heading);
    }

    /* FAQ */
    .faq-section {
        background: #fff;
    }
    .faq-list {
        max-width: 760px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-top: 24px;
    }
    .faq-item {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-md);
    }
    .faq-question {
        width: 100%;
        text-align: left;
        padding: 18px 22px;
        font-size: 0.92rem;
        font-weight: 600;
        color: var(--text-heading);
        transition: all var(--transition);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        border-radius: 6px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        transition: transform var(--transition);
    }
    .faq-question.open .faq-icon {
        transform: rotate(45deg);
    }
    .faq-answer {
        padding: 0 22px 18px;
        font-size: 0.85rem;
        color: var(--text-body);
        line-height: 1.75;
        display: none;
    }
    .faq-answer.show {
        display: block;
    }

    /* Footer */
    .site-footer {
        background: #0F172A;
        color: #CBD5E1;
        padding: 48px 0 28px;
        margin-top: 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.3fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand-desc {
        font-size: 0.85rem;
        color: #94A3B8;
        line-height: 1.75;
        margin-top: 12px;
        max-width: 280px;
    }
    .footer-col-title {
        font-size: 0.9rem;
        font-weight: 600;
        color: #E2E8F0;
        margin-bottom: 14px;
        letter-spacing: 0.02em;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-col ul li a {
        font-size: 0.82rem;
        color: #94A3B8;
        transition: color var(--transition);
    }
    .footer-col ul li a:hover {
        color: #fff;
    }
    .footer-bottom {
        border-top: 1px solid #1E293B;
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 0.78rem;
        color: #64748B;
    }
    .footer-meta-links {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .footer-meta-links a {
        color: #94A3B8;
        font-size: 0.78rem;
        transition: color var(--transition);
    }
    .footer-meta-links a:hover {
        color: #fff;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .nav-menu {
            gap: 6px;
        }
        .nav-item {
            padding: 6px 10px;
            font-size: 0.82rem;
        }
        .news-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .data-note-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }
    @media (max-width: 768px) {
        :root {
            --section-spacing: 48px;
        }
        .nav-panel {
            padding: 10px 14px;
            gap: 10px;
        }
        .nav-menu {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .mobile-nav {
            display: none;
        }
        .mobile-nav.open {
            display: flex;
        }
        .cat-header {
            padding: 24px 0 12px;
        }
        .cat-header-inner {
            padding: 20px 18px;
        }
        .cat-header h1 {
            font-size: 1.4rem;
        }
        .filter-bar {
            gap: 8px;
            flex-direction: column;
            align-items: stretch;
        }
        .filter-bar select,
        .filter-bar input {
            width: 100%;
            min-width: 0;
        }
        .news-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .news-card .news-img {
            height: 170px;
        }
        .related-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .data-note-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .subscribe-card {
            padding: 24px 18px;
        }
        .subscribe-form {
            flex-direction: column;
        }
        .subscribe-form input {
            max-width: 100%;
        }
        .subscribe-form button {
            width: 100%;
        }
        .section-title {
            font-size: 1.3rem;
        }
        .top-read-item {
            padding: 12px 16px;
        }
        .top-read-info .top-read-title {
            font-size: 0.85rem;
        }
    }
    @media (max-width: 520px) {
        .container {
            padding: 0 14px;
        }
        .nav-panel {
            gap: 6px;
        }
        .logo-text {
            font-size: 1rem;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
            border-radius: 8px;
        }
        .nav-cta {
            padding: 8px 14px;
            font-size: 0.78rem;
        }
        .cat-header h1 {
            font-size: 1.2rem;
        }
        .news-card .news-body {
            padding: 16px 16px 18px;
        }
        .section-title {
            font-size: 1.15rem;
        }
        .top-read-item {
            gap: 10px;
            padding: 10px 14px;
        }
        .top-read-rank {
            width: 30px;
            height: 30px;
            font-size: 0.8rem;
            border-radius: 6px;
        }
    }