/* roulang page: index */
:root {
      --primary-pitch: #0B3B24;
      --primary-pitch-dark: #072818;
      --accent-neon: #00E676;
      --accent-gold: #FFD200;
      --accent-red: #FF3D57;
      --bg-light: #F4F6F8;
      --bg-white: #FFFFFF;
      --bg-dark-score: #0E1621;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --card-radius: 14px;
      --shadow-soft: 0 4px 20px -2px rgba(11, 59, 36, 0.08);
      --shadow-hover: 0 10px 28px -4px rgba(11, 59, 36, 0.16);
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    body {
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-light);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    p { margin-bottom: 1.25rem; }
    h1, h2, h3, h4, h5 { color: var(--text-main); font-weight: 700; line-height: 1.35; }
    .site-header {
      background-color: var(--primary-pitch-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #FFFFFF;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .brand-logo i { color: var(--accent-neon); font-size: 1.45rem; }
    .nav-link-custom {
      color: rgba(255, 255, 255, 0.82) !important;
      font-size: 0.95rem;
      font-weight: 500;
      padding: 0.5rem 0.9rem !important;
      border-radius: 6px;
      transition: var(--transition);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--accent-neon) !important;
      background: rgba(255, 255, 255, 0.06);
    }
    .step-progress-nav {
      background: #092C1C;
      border-bottom: 1px solid rgba(0, 230, 118, 0.15);
      padding: 8px 0;
    }
    .step-track {
      display: flex;
      align-items: center;
      justify-content: space-between;
      overflow-x: auto;
      gap: 12px;
      white-space: nowrap;
      scrollbar-width: none;
    }
    .step-track::-webkit-scrollbar { display: none; }
    .step-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.7);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .step-item:hover, .step-item.active {
      color: #FFFFFF;
      background: rgba(0, 230, 118, 0.15);
      border-color: rgba(0, 230, 118, 0.4);
    }
    .step-num {
      width: 20px;
      height: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--accent-neon);
      color: var(--primary-pitch-dark);
      font-size: 0.75rem;
      font-weight: 800;
    }
    .hero-panel {
      background: linear-gradient(145deg, #072818 0%, #0E1621 100%);
      color: #FFFFFF;
      padding: 60px 0 70px;
      position: relative;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .eyebrow-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      background: rgba(0, 230, 118, 0.12);
      border: 1px solid rgba(0, 230, 118, 0.35);
      border-radius: 30px;
      color: var(--accent-neon);
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: 2.35rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .hero-lead {
      color: rgba(255, 255, 255, 0.85);
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .btn-brand-primary {
      background: var(--accent-neon);
      color: var(--primary-pitch-dark);
      font-weight: 700;
      padding: 12px 28px;
      border-radius: 8px;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(0, 230, 118, 0.35);
      transition: var(--transition);
    }
    .btn-brand-primary:hover {
      background: #26ff92;
      color: var(--primary-pitch-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 230, 118, 0.5);
    }
    .btn-brand-outline {
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }
    .btn-brand-outline:hover {
      background: rgba(255, 255, 255, 0.18);
      color: #FFFFFF;
      transform: translateY(-2px);
    }
    .faux-ranking-card {
      background: rgba(14, 22, 33, 0.85);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--card-radius);
      padding: 24px;
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
    }
    .ranking-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 12px;
      margin-bottom: 16px;
    }
    .ranking-list-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 12px;
      border-radius: 8px;
      margin-bottom: 8px;
      background: rgba(255, 255, 255, 0.03);
      transition: var(--transition);
    }
    .ranking-list-item:hover {
      background: rgba(0, 230, 118, 0.08);
    }
    .live-pulse {
      width: 8px;
      height: 8px;
      background: var(--accent-neon);
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.6s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
      70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(0, 230, 118, 0); }
      100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
    }
    .page-section {
      padding: 64px 0;
      position: relative;
    }
    .section-alt {
      background-color: #EAEFF4;
    }
    .section-dark {
      background-color: var(--bg-dark-score);
      color: #FFFFFF;
    }
    .section-dark h2, .section-dark h3, .section-dark p {
      color: #FFFFFF;
    }
    .section-title-wrap {
      margin-bottom: 36px;
    }
    .section-title {
      font-size: 1.75rem;
      font-weight: 800;
      margin-bottom: 12px;
      position: relative;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 0.98rem;
      max-width: 860px;
    }
    .section-dark .section-desc {
      color: rgba(255, 255, 255, 0.72);
    }
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 24px;
      box-shadow: var(--shadow-soft);
      height: 100%;
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(11, 59, 36, 0.25);
    }
    .card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(11, 59, 36, 0.08);
      color: var(--primary-pitch);
      font-size: 1.4rem;
      margin-bottom: 16px;
    }
    .match-row-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 16px 20px;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
      transition: var(--transition);
    }
    .match-row-card:hover {
      border-color: var(--accent-neon);
      box-shadow: 0 6px 18px rgba(11, 59, 36, 0.1);
    }
    .match-team {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.05rem;
      font-weight: 700;
    }
    .badge-status-live {
      background: rgba(0, 230, 118, 0.15);
      color: #008744;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 0.8rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .badge-status-hot {
      background: rgba(255, 61, 87, 0.12);
      color: var(--accent-red);
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 0.8rem;
    }
    .signal-tester-box {
      background: #09131C;
      border: 1px solid #1E293B;
      border-radius: var(--card-radius);
      padding: 24px;
      color: #FFFFFF;
    }
    .signal-stat-item {
      background: rgba(255, 255, 255, 0.04);
      padding: 14px;
      border-radius: 8px;
      text-align: center;
    }
    .stat-number {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--accent-neon);
      margin-bottom: 4px;
    }
    .stat-label {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.7);
    }
    .tag-cloud-item {
      display: inline-block;
      padding: 6px 14px;
      margin: 4px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      font-size: 0.9rem;
      color: var(--text-main);
      font-weight: 500;
      transition: var(--transition);
    }
    .tag-cloud-item:hover {
      background: var(--primary-pitch);
      color: #FFFFFF;
      border-color: var(--primary-pitch);
    }
    .table-custom {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border-radius: 12px;
      overflow: hidden;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
    }
    .table-custom th {
      background: #F8FAFC;
      padding: 16px;
      font-weight: 700;
      border-bottom: 1px solid var(--border-color);
    }
    .table-custom td {
      padding: 16px;
      border-bottom: 1px solid var(--border-color);
      vertical-align: middle;
    }
    .table-custom tr:last-child td {
      border-bottom: none;
    }
    .accordion-button:not(.collapsed) {
      color: var(--primary-pitch);
      background-color: rgba(11, 59, 36, 0.05);
      box-shadow: none;
    }
    .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(11, 59, 36, 0.2);
    }
    .cta-banner-wrap {
      background: linear-gradient(135deg, #072818 0%, #0B3B24 50%, #0E1621 100%);
      border-radius: 16px;
      padding: 48px 36px;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(0, 230, 118, 0.3);
    }
    .cta-banner-wrap::after {
      content: '';
      position: absolute;
      top: -40%;
      right: -10%;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(0, 230, 118, 0.18) 0%, rgba(0, 0, 0, 0) 70%);
      pointer-events: none;
    }
    .site-footer {
      background-color: var(--primary-pitch-dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 56px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .site-footer h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .site-footer a {
      color: rgba(255, 255, 255, 0.7);
    }
    .site-footer a:hover {
      color: var(--accent-neon);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      margin-top: 40px;
      font-size: 0.85rem;
    }
    @media (max-width: 991.98px) {
      .hero-title { font-size: 1.9rem; }
      .page-section { padding: 48px 0; }
    }
    @media (max-width: 575.98px) {
      .hero-title { font-size: 1.6rem; }
      .match-row-card { flex-direction: column; align-items: flex-start; }
      .stat-number { font-size: 1.5rem; }
      .cta-banner-wrap { padding: 32px 20px; }
    }

/* roulang page: category2 */
:root {
      --primary-pitch: #0B3B24;
      --primary-pitch-dark: #072818;
      --accent-neon: #00E676;
      --accent-gold: #FFD200;
      --accent-red: #FF3D57;
      --bg-light: #F4F6F8;
      --bg-white: #FFFFFF;
      --bg-dark-score: #0E1621;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --card-radius: 14px;
      --shadow-soft: 0 4px 20px -2px rgba(11, 59, 36, 0.08);
      --shadow-hover: 0 10px 28px -4px rgba(11, 59, 36, 0.16);
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-light);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    .site-header {
      background-color: var(--primary-pitch-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #FFFFFF;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .brand-logo i { color: var(--accent-neon); font-size: 1.45rem; }
    .nav-link-custom {
      color: rgba(255, 255, 255, 0.82) !important;
      font-size: 0.95rem;
      font-weight: 500;
      padding: 0.5rem 0.9rem !important;
      border-radius: 6px;
      transition: var(--transition);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--accent-neon) !important;
      background: rgba(255, 255, 255, 0.06);
    }
    .step-progress-nav {
      background: #092C1C;
      border-bottom: 1px solid rgba(0, 230, 118, 0.15);
      padding: 8px 0;
    }
    .step-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.7);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .step-item:hover, .step-item.active {
      color: #FFFFFF;
      background: rgba(0, 230, 118, 0.15);
      border-color: rgba(0, 230, 118, 0.4);
    }
    .btn-brand-primary {
      background: var(--accent-neon);
      color: var(--primary-pitch-dark);
      font-weight: 700;
      padding: 12px 28px;
      border-radius: 8px;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(0, 230, 118, 0.35);
      transition: var(--transition);
    }
    .btn-brand-primary:hover {
      background: #26ff92;
      color: var(--primary-pitch-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 230, 118, 0.5);
    }
    .btn-brand-outline {
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }
    .btn-brand-outline:hover {
      background: rgba(255, 255, 255, 0.18);
      color: #FFFFFF;
      transform: translateY(-2px);
    }
    .page-section {
      padding: 64px 0;
      position: relative;
    }
    .section-alt {
      background-color: #EAEFF4;
    }
    .section-dark {
      background-color: var(--bg-dark-score);
      color: #FFFFFF;
    }
    .section-dark h2, .section-dark h3, .section-dark p {
      color: #FFFFFF;
    }
    .section-title-wrap {
      margin-bottom: 36px;
    }
    .section-title {
      font-size: 1.75rem;
      font-weight: 800;
      margin-bottom: 12px;
      position: relative;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 0.98rem;
      max-width: 860px;
    }
    .section-dark .section-desc {
      color: rgba(255, 255, 255, 0.72);
    }
    .feature-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 24px;
      box-shadow: var(--shadow-soft);
      height: 100%;
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(11, 59, 36, 0.25);
    }
    .card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(11, 59, 36, 0.08);
      color: var(--primary-pitch);
      font-size: 1.4rem;
      margin-bottom: 16px;
    }
    .category-hero {
      background: linear-gradient(135deg, #072818 0%, #0E1621 100%);
      color: #FFFFFF;
      padding: 50px 0 56px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .badge-live-pulse {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 20px;
      background: rgba(0, 230, 118, 0.15);
      border: 1px solid rgba(0, 230, 118, 0.4);
      color: var(--accent-neon);
      font-size: 0.82rem;
      font-weight: 700;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-neon);
      box-shadow: 0 0 8px var(--accent-neon);
      animation: pulseAnimation 1.6s infinite ease-in-out;
    }
    @keyframes pulseAnimation {
      0% { opacity: 0.4; transform: scale(0.9); }
      50% { opacity: 1; transform: scale(1.15); }
      100% { opacity: 0.4; transform: scale(0.9); }
    }
    .stat-badge-box {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 10px;
      padding: 12px 18px;
      text-align: center;
    }
    .stat-badge-num {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent-gold);
    }
    .filter-pill {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .filter-pill:hover, .filter-pill.active {
      background: var(--primary-pitch);
      color: #FFFFFF;
      border-color: var(--primary-pitch);
    }
    .step-box-flow {
      position: relative;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 24px;
      height: 100%;
    }
    .step-counter {
      width: 36px;
      height: 36px;
      background: var(--accent-neon);
      color: var(--primary-pitch-dark);
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
    }
    .terminal-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 24px;
      height: 100%;
    }
    .terminal-card .badge-soft {
      background: #E8F5E9;
      color: #1B5E20;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 700;
    }
    .accordion-button:not(.collapsed) {
      color: var(--primary-pitch);
      background-color: #E8F5E9;
    }
    .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(11, 59, 36, 0.2);
    }
    .site-footer {
      background: #071510;
      color: #FFFFFF;
      padding: 56px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .site-footer h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      margin-top: 40px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.5);
    }
    @media (max-width: 991px) {
      .hero-title { font-size: 1.85rem; }
      .page-section { padding: 48px 0; }
    }

/* roulang page: category1 */
:root {
      --primary-pitch: #0B3B24;
      --primary-pitch-dark: #072818;
      --accent-neon: #00E676;
      --accent-gold: #FFD200;
      --accent-red: #FF3D57;
      --bg-light: #F4F6F8;
      --bg-white: #FFFFFF;
      --bg-dark-score: #0E1621;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --card-radius: 14px;
      --shadow-soft: 0 4px 20px -2px rgba(11, 59, 36, 0.08);
      --shadow-hover: 0 10px 28px -4px rgba(11, 59, 36, 0.16);
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-light);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    
    /* Header & Nav */
    .site-header {
      background-color: var(--primary-pitch-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #FFFFFF;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .brand-logo i { color: var(--accent-neon); font-size: 1.45rem; }
    .nav-link-custom {
      color: rgba(255, 255, 255, 0.82) !important;
      font-size: 0.95rem;
      font-weight: 500;
      padding: 0.5rem 0.9rem !important;
      border-radius: 6px;
      transition: var(--transition);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--accent-neon) !important;
      background: rgba(255, 255, 255, 0.06);
    }
    .step-progress-nav {
      background: #092C1C;
      border-bottom: 1px solid rgba(0, 230, 118, 0.15);
      padding: 8px 0;
    }
    .step-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.7);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .step-item:hover, .step-item.active {
      color: #FFFFFF;
      background: rgba(0, 230, 118, 0.15);
      border-color: rgba(0, 230, 118, 0.4);
    }

    /* Common Buttons */
    .btn-brand-primary {
      background: var(--accent-neon);
      color: var(--primary-pitch-dark);
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 8px;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(0, 230, 118, 0.35);
      transition: var(--transition);
    }
    .btn-brand-primary:hover {
      background: #26ff92;
      color: var(--primary-pitch-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 230, 118, 0.5);
    }
    .btn-brand-outline {
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }
    .btn-brand-outline:hover {
      background: rgba(255, 255, 255, 0.18);
      color: #FFFFFF;
      transform: translateY(-2px);
    }

    /* Section Foundations */
    .page-section { padding: 58px 0; position: relative; }
    .section-alt { background-color: #EBF0F4; }
    .section-dark { background-color: var(--bg-dark-score); color: #FFFFFF; }
    .section-dark h2, .section-dark h3, .section-dark p { color: #FFFFFF; }
    .section-title-wrap { margin-bottom: 32px; }
    .section-title { font-size: 1.75rem; font-weight: 800; margin-bottom: 10px; }
    .section-desc { color: var(--text-muted); font-size: 0.98rem; margin: 0; }
    .section-dark .section-desc { color: rgba(255, 255, 255, 0.72); }

    /* Category Specific Custom Components */
    .category-hero-band {
      background: radial-gradient(circle at 10% 20%, #0F4C2E 0%, #072818 60%, #0E1621 100%);
      color: #FFFFFF;
      padding: 44px 0 36px;
      border-bottom: 1px solid rgba(0, 230, 118, 0.2);
    }
    .eyebrow-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background: rgba(0, 230, 118, 0.12);
      border: 1px solid rgba(0, 230, 118, 0.35);
      border-radius: 20px;
      color: var(--accent-neon);
      font-size: 0.82rem;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .live-pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-neon);
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
      animation: pulse 1.8s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 230, 118, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
    }
    .filter-chip-bar {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 12px 18px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      box-shadow: var(--shadow-soft);
    }
    .filter-tag {
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.86rem;
      font-weight: 600;
      color: var(--text-muted);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      transition: var(--transition);
      cursor: pointer;
    }
    .filter-tag:hover, .filter-tag.active {
      color: #072818;
      background: var(--accent-neon);
      border-color: var(--accent-neon);
      box-shadow: 0 2px 8px rgba(0, 230, 118, 0.3);
    }
    .match-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      box-shadow: var(--shadow-soft);
      padding: 22px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .match-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(11, 59, 36, 0.25);
    }
    .team-badge-box {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
      color: var(--primary-pitch);
      font-weight: 800;
    }
    .match-status-tag {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .tag-live { background: rgba(0, 230, 118, 0.15); color: #088a47; border: 1px solid rgba(0, 230, 118, 0.4); }
    .tag-wait { background: #F1F5F9; color: #475569; border: 1px solid #CBD5E1; }
    .tag-hot { background: #FFF1F2; color: #E11D48; border: 1px solid #FECDD3; }

    /* Architecture Flow Steps */
    .flow-step-box {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 24px;
      border: 1px solid var(--border-color);
      position: relative;
      height: 100%;
    }
    .step-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent-neon);
      margin-bottom: 8px;
      display: inline-block;
      line-height: 1;
    }

    /* Accordion FAQ Customization */
    .custom-accordion .accordion-item {
      border: 1px solid var(--border-color);
      border-radius: 10px !important;
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }
    .custom-accordion .accordion-button {
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
      background: #FFFFFF;
      padding: 16px 20px;
    }
    .custom-accordion .accordion-button:not(.collapsed) {
      background-color: #F0FDF4;
      color: var(--primary-pitch);
      box-shadow: none;
    }
    .custom-accordion .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(0, 230, 118, 0.5);
    }
    .custom-accordion .accordion-body {
      background: #FFFFFF;
      font-size: 0.95rem;
      color: var(--text-muted);
      padding: 16px 20px 20px;
    }

    /* Footer */
    .site-footer {
      background-color: var(--primary-pitch-dark);
      color: #FFFFFF;
      padding: 56px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .site-footer h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .site-footer a {
      color: rgba(255, 255, 255, 0.72);
    }
    .site-footer a:hover {
      color: var(--accent-neon);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 36px;
      padding-top: 20px;
      color: rgba(255, 255, 255, 0.5);
    }

/* roulang page: category3 */
:root {
      --primary-pitch: #0B3B24;
      --primary-pitch-dark: #072818;
      --accent-neon: #00E676;
      --accent-gold: #FFD200;
      --accent-red: #FF3D57;
      --bg-light: #F4F6F8;
      --bg-white: #FFFFFF;
      --bg-dark-score: #0E1621;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --card-radius: 14px;
      --shadow-soft: 0 4px 20px -2px rgba(11, 59, 36, 0.08);
      --shadow-hover: 0 10px 28px -4px rgba(11, 59, 36, 0.16);
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-light);
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; }

    .site-header {
      background-color: var(--primary-pitch-dark);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #FFFFFF;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    .brand-logo i { color: var(--accent-neon); font-size: 1.45rem; }
    .nav-link-custom {
      color: rgba(255, 255, 255, 0.82) !important;
      font-size: 0.95rem;
      font-weight: 500;
      padding: 0.5rem 0.9rem !important;
      border-radius: 6px;
      transition: var(--transition);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--accent-neon) !important;
      background: rgba(255, 255, 255, 0.06);
    }
    .step-progress-nav {
      background: #092C1C;
      border-bottom: 1px solid rgba(0, 230, 118, 0.15);
      padding: 8px 0;
    }
    .step-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.7);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .step-item:hover, .step-item.active {
      color: #FFFFFF;
      background: rgba(0, 230, 118, 0.15);
      border-color: rgba(0, 230, 118, 0.4);
    }

    .btn-brand-primary {
      background: var(--accent-neon);
      color: var(--primary-pitch-dark);
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 8px;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px rgba(0, 230, 118, 0.35);
      transition: var(--transition);
    }
    .btn-brand-primary:hover {
      background: #26ff92;
      color: var(--primary-pitch-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 230, 118, 0.5);
    }

    .page-section {
      padding: 56px 0;
      position: relative;
    }
    .section-alt {
      background-color: #EAEFF4;
    }
    .section-dark {
      background-color: var(--bg-dark-score);
      color: #FFFFFF;
    }
    .section-dark h2, .section-dark h3, .section-dark p {
      color: #FFFFFF;
    }
    .section-title-wrap {
      margin-bottom: 32px;
    }
    .section-title {
      font-size: 1.75rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
    }
    .section-dark .section-desc {
      color: rgba(255, 255, 255, 0.72);
    }

    .eyebrow-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background: rgba(0, 230, 118, 0.12);
      border: 1px solid rgba(0, 230, 118, 0.35);
      border-radius: 30px;
      color: var(--accent-neon);
      font-size: 0.82rem;
      font-weight: 700;
      margin-bottom: 14px;
    }

    /* Category Specific Components */
    .category-hero-board {
      background: linear-gradient(135deg, #072818 0%, #0E1621 100%);
      color: #FFFFFF;
      padding: 48px 0 42px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .stat-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 8px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.9);
    }
    .stat-pill strong {
      color: var(--accent-neon);
      font-size: 1.05rem;
    }

    .filter-bar-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 16px 20px;
      box-shadow: var(--shadow-soft);
    }
    .filter-btn-group .btn-filter {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-muted);
      border: 1px solid transparent;
      padding: 6px 16px;
      border-radius: 20px;
      background: #F1F5F9;
      transition: var(--transition);
    }
    .filter-btn-group .btn-filter.active,
    .filter-btn-group .btn-filter:hover {
      background: var(--primary-pitch);
      color: #FFFFFF;
    }

    .playback-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .playback-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(11, 59, 36, 0.25);
    }
    .playback-thumb-wrap {
      position: relative;
      height: 170px;
      background: #111D2A;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }
    .playback-thumb-wrap .bg-mesh {
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      opacity: 0.25;
      background: radial-gradient(circle at center, #00E676 0%, transparent 70%);
    }
    .play-trigger-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: rgba(0, 230, 118, 0.9);
      color: var(--primary-pitch-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      z-index: 2;
      box-shadow: 0 4px 16px rgba(0, 230, 118, 0.4);
      transition: var(--transition);
    }
    .playback-card:hover .play-trigger-btn {
      transform: scale(1.1);
      background: #FFFFFF;
      color: var(--primary-pitch);
    }
    .video-duration-badge {
      position: absolute;
      bottom: 10px;
      right: 12px;
      background: rgba(0, 0, 0, 0.75);
      color: #FFFFFF;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .video-type-tag {
      position: absolute;
      top: 10px;
      left: 12px;
      background: rgba(11, 59, 36, 0.85);
      border: 1px solid rgba(0, 230, 118, 0.4);
      color: var(--accent-neon);
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 700;
    }

    .playback-info-box {
      padding: 18px 20px 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .playback-match-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .playback-sub-stats {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 14px;
    }
    .playback-actions {
      margin-top: auto;
      padding-top: 14px;
      border-top: 1px dashed var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .pipeline-step-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 24px;
      height: 100%;
      position: relative;
    }
    .pipeline-index {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: rgba(0, 230, 118, 0.15);
      color: var(--primary-pitch);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }

    .review-score-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--card-radius);
      padding: 24px;
    }
    .score-board-tag {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--accent-gold);
      letter-spacing: 2px;
    }

    .gear-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 24px;
      transition: var(--transition);
    }
    .gear-card:hover {
      border-color: rgba(11, 59, 36, 0.3);
      box-shadow: var(--shadow-soft);
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary-pitch);
      background-color: rgba(0, 230, 118, 0.1);
      box-shadow: none;
    }
    .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(0, 230, 118, 0.4);
    }
    .accordion-item {
      border-radius: 8px !important;
      overflow: hidden;
      margin-bottom: 12px;
      border: 1px solid var(--border-color);
    }

    .site-footer {
      background-color: var(--primary-pitch-dark);
      color: #FFFFFF;
      padding: 56px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .site-footer h5 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .site-footer a {
      color: rgba(255, 255, 255, 0.65);
    }
    .site-footer a:hover {
      color: var(--accent-neon);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      margin-top: 24px;
      color: rgba(255, 255, 255, 0.5);
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}