/* roulang page: index */
:root {
      --bg: #0a0d11;
      --bg-soft: #11161c;
      --panel: rgba(16, 22, 28, 0.88);
      --panel-2: rgba(21, 28, 36, 0.94);
      --line: rgba(164, 186, 205, 0.14);
      --line-strong: rgba(96, 232, 214, 0.22);
      --text: #e9f0f5;
      --muted: #98a8b8;
      --muted-2: #768596;
      --accent: #31f0c6;
      --accent-2: #1cc7ff;
      --warn: #ffb34d;
      --danger: #ff6f61;
      --shadow: 0 18px 50px rgba(0,0,0,.34);
      --radius: 16px;
      --radius-sm: 12px;
      --radius-xs: 10px;
      --container: 1280px;
      --gap: 24px;
      --gap-sm: 16px;
      --gap-xs: 12px;
      --transition: 180ms ease;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 20% 10%, rgba(49,240,198,0.10), transparent 20%),
        radial-gradient(circle at 80% 0%, rgba(28,199,255,0.08), transparent 18%),
        linear-gradient(180deg, #0a0d11 0%, #0f141a 55%, #0a0d11 100%);
      min-height: 100vh;
      line-height: 1.7;
      letter-spacing: 0.2px;
      overflow-x: hidden;
    }
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.18));
      opacity: .25;
      z-index: 0;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    .container {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    .skip-link {
      position: absolute;
      left: -999px;
      top: auto;
      width: 1px;
      height: 1px;
      overflow: hidden;
    }
    .skip-link:focus {
      left: 16px;
      top: 16px;
      width: auto;
      height: auto;
      background: var(--accent);
      color: #07110f;
      padding: 10px 14px;
      border-radius: 999px;
      z-index: 1000;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(9, 13, 18, 0.72);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 76px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(49,240,198,0.95), rgba(28,199,255,0.88));
      box-shadow: 0 10px 24px rgba(49,240,198,0.18);
      display: grid;
      place-items: center;
      color: #041412;
      font-weight: 900;
      letter-spacing: .5px;
      flex: 0 0 auto;
    }
    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }
    .brand-text strong {
      font-size: 15px;
      line-height: 1.25;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .brand-text span {
      font-size: 12px;
      color: var(--muted);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      border: 1px solid transparent;
      transition: transform var(--transition), color var(--transition), border-color var(--transition), background var(--transition);
    }
    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--text);
      background: rgba(255,255,255,0.05);
      border-color: rgba(255,255,255,0.08);
      transform: translateY(-1px);
      outline: none;
    }
    .nav-links a.active {
      color: #07110f;
      background: linear-gradient(135deg, var(--accent), #7cf2dc);
      border-color: transparent;
      font-weight: 700;
    }
    .nav-tools {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }
    .search-box {
      position: relative;
      width: 260px;
      max-width: 36vw;
    }
    .search-box input {
      width: 100%;
      height: 42px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.09);
      background: rgba(255,255,255,0.04);
      color: var(--text);
      padding: 0 16px 0 40px;
      outline: none;
      transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .search-box input::placeholder { color: #7f8d9c; }
    .search-box input:focus {
      border-color: rgba(49,240,198,0.5);
      background: rgba(255,255,255,0.06);
      box-shadow: 0 0 0 4px rgba(49,240,198,0.1);
    }
    .search-box svg {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 18px;
      height: 18px;
      color: var(--muted);
    }
    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(49,240,198,0.18);
      background: rgba(49,240,198,0.06);
      color: var(--text);
      font-size: 13px;
      white-space: nowrap;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(49,240,198,0.09);
    }
    .hero {
      margin-top: 22px;
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: var(--shadow);
      background:
        linear-gradient(180deg, rgba(6,9,12,0.30), rgba(6,9,12,0.82)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10,13,17,0.86) 0%, rgba(10,13,17,0.66) 52%, rgba(10,13,17,0.26) 100%);
      z-index: 0;
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      padding: 42px;
      display: grid;
      grid-template-columns: 1.18fr .82fr;
      gap: 28px;
      min-height: 620px;
      align-items: end;
    }
    .hero-copy {
      align-self: center;
      max-width: 740px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: #dffbf4;
      background: rgba(49,240,198,0.10);
      border: 1px solid rgba(49,240,198,0.18);
      font-size: 13px;
      margin-bottom: 16px;
    }
    .eyebrow i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      display: inline-block;
    }
    h1 {
      margin: 0;
      font-size: clamp(34px, 4.9vw, 64px);
      line-height: 1.05;
      letter-spacing: -0.9px;
    }
    .hero-copy p {
      margin: 18px 0 0;
      color: #c4d0da;
      font-size: 17px;
      max-width: 62ch;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 18px;
      border-radius: 14px;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
      font-weight: 700;
      font-size: 14px;
      cursor: pointer;
      user-select: none;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--accent), #7af0de);
      color: #081411;
      box-shadow: 0 12px 28px rgba(49,240,198,0.14);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(49,240,198,0.22);
      outline: none;
    }
    .btn-secondary {
      background: rgba(255,255,255,0.04);
      border-color: rgba(255,255,255,0.12);
      color: var(--text);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      transform: translateY(-2px);
      border-color: rgba(49,240,198,0.28);
      background: rgba(255,255,255,0.07);
      outline: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }
    .score-panel {
      background: rgba(11, 16, 21, 0.76);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 22px;
      padding: 18px;
      backdrop-filter: blur(10px);
    }
    .score-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 14px;
    }
    .score-top strong {
      font-size: 15px;
    }
    .mini-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      background: rgba(255,255,255,0.05);
      color: #dce7ef;
      border: 1px solid rgba(255,255,255,0.08);
    }
    .mini-tag.warn {
      background: rgba(255,179,77,0.10);
      color: #ffd7a5;
      border-color: rgba(255,179,77,0.18);
    }
    .score-row {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      gap: 12px;
      align-items: center;
    }
    .team-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
      border-radius: 18px;
      padding: 16px;
      border: 1px solid rgba(255,255,255,0.07);
    }
    .team-card span {
      display: block;
      font-size: 12px;
      color: var(--muted);
      margin-bottom: 6px;
    }
    .team-card strong {
      font-size: 24px;
      line-height: 1;
      letter-spacing: .4px;
    }
    .vs {
      font-size: 14px;
      color: var(--warn);
      font-weight: 800;
      text-align: center;
      padding: 0 4px;
    }
    .score-meta {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 14px;
    }
    .meta-card {
      border-radius: 14px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      padding: 12px;
    }
    .meta-card b {
      display: block;
      font-size: 13px;
      margin-bottom: 4px;
    }
    .meta-card p {
      margin: 0;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
    }
    .quick-strip {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 14px;
    }
    .quick-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 16px;
      box-shadow: 0 10px 24px rgba(0,0,0,0.15);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
      min-height: 112px;
    }
    .quick-card:hover {
      transform: translateY(-3px);
      border-color: rgba(49,240,198,0.24);
      background: rgba(19, 26, 33, 0.96);
    }
    .quick-icon {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: rgba(49,240,198,0.10);
      border: 1px solid rgba(49,240,198,0.16);
      margin-bottom: 12px;
      color: var(--accent);
    }
    .quick-card strong {
      display: block;
      font-size: 15px;
      margin-bottom: 6px;
    }
    .quick-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }
    main { padding: 28px 0 48px; }
    section.block {
      margin-top: 24px;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 16px;
    }
    .section-head h2 {
      margin: 0;
      font-size: 26px;
      line-height: 1.15;
      letter-spacing: -.4px;
    }
    .section-head p {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 14px;
      max-width: 68ch;
    }
    .section-link {
      color: var(--accent);
      font-size: 13px;
      white-space: nowrap;
    }
    .topic-layout {
      display: grid;
      grid-template-columns: 1.28fr .72fr;
      gap: 18px;
      align-items: stretch;
    }
    .feature-card {
      position: relative;
      overflow: hidden;
      border-radius: 24px;
      min-height: 440px;
      border: 1px solid rgba(255,255,255,0.08);
      background:
        linear-gradient(180deg, rgba(8,12,15,0.08), rgba(8,12,15,0.84)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      box-shadow: var(--shadow);
    }
    .feature-card .overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(8,12,16,0.82), rgba(8,12,16,0.32));
    }
    .feature-content {
      position: relative;
      z-index: 1;
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 440px;
    }
    .feature-content .topline {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .feature-content h3 {
      margin: 12px 0 10px;
      font-size: clamp(24px, 2.8vw, 40px);
      line-height: 1.15;
      max-width: 14ch;
    }
    .feature-content p {
      margin: 0;
      color: #cfdae3;
      font-size: 15px;
      max-width: 58ch;
    }
    .feature-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }
    .stat-box {
      background: rgba(13,19,25,0.72);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 14px;
    }
    .stat-box strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      margin-bottom: 8px;
    }
    .stat-box span {
      color: var(--muted);
      font-size: 12px;
    }
    .stack-list {
      display: grid;
      gap: 14px;
    }
    .stack-item {
      display: grid;
      grid-template-columns: 124px 1fr;
      gap: 14px;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 18px;
      overflow: hidden;
      transition: transform var(--transition), border-color var(--transition);
    }
    .stack-item:hover {
      transform: translateY(-2px);
      border-color: rgba(28,199,255,0.22);
    }
    .stack-item img {
      width: 100%;
      height: 100%;
      min-height: 130px;
      object-fit: cover;
    }
    .stack-item .txt {
      padding: 14px 14px 14px 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .stack-item h4 {
      margin: 0 0 8px;
      font-size: 17px;
      line-height: 1.35;
    }
    .stack-item p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }
    .info-bar {
      margin-top: 16px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }
    .info-pill {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 14px 16px;
    }
    .info-pill span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-bottom: 8px;
    }
    .info-pill strong {
      font-size: 18px;
      line-height: 1.25;
    }
    .index-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }
    .index-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 18px;
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .index-card:hover {
      transform: translateY(-3px);
      border-color: rgba(49,240,198,0.22);
      background: rgba(18,24,31,0.98);
    }
    .index-card .label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: #d7fff5;
      background: rgba(49,240,198,0.08);
      border: 1px solid rgba(49,240,198,0.12);
      padding: 6px 10px;
      border-radius: 999px;
      margin-bottom: 12px;
    }
    .index-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.4;
    }
    .index-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }
    .split-section {
      display: grid;
      grid-template-columns: .96fr 1.04fr;
      gap: 18px;
      align-items: start;
    }
    .panel {
      background: var(--panel-2);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 22px;
      box-shadow: 0 12px 32px rgba(0,0,0,0.2);
    }
    .panel h3 {
      margin: 0 0 10px;
      font-size: 22px;
      line-height: 1.2;
    }
    .panel p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .timeline {
      margin-top: 18px;
      display: grid;
      gap: 12px;
    }
    .timeline-item {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 12px;
      align-items: start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.07);
    }
    .timeline-item b {
      display: inline-grid;
      place-items: center;
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: rgba(49,240,198,0.10);
      color: var(--accent);
      font-size: 18px;
    }
    .timeline-item h4 {
      margin: 0 0 4px;
      font-size: 16px;
    }
    .timeline-item p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }
    .cover-list {
      display: grid;
      gap: 14px;
    }
    .cover-card {
      display: grid;
      grid-template-columns: 160px 1fr;
      gap: 14px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 18px;
      overflow: hidden;
    }
    .cover-card img {
      width: 100%;
      height: 100%;
      min-height: 148px;
      object-fit: cover;
    }
    .cover-card .content {
      padding: 14px 14px 14px 0;
    }
    .cover-card h4 {
      margin: 4px 0 8px;
      font-size: 17px;
    }
    .cover-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }
    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.04);
      color: #d8e4ed;
      font-size: 13px;
    }
    .faq-wrap {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    details.faq {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 16px 18px;
      transition: border-color var(--transition), background var(--transition);
    }
    details.faq[open] {
      border-color: rgba(49,240,198,0.24);
      background: rgba(18,24,31,0.98);
    }
    details.faq summary {
      cursor: pointer;
      list-style: none;
      font-weight: 700;
      font-size: 15px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    details.faq summary::-webkit-details-marker { display: none; }
    details.faq summary::after {
      content: '+';
      width: 26px;
      height: 26px;
      border-radius: 50%;
      display: inline-grid;
      place-items: center;
      background: rgba(255,255,255,0.05);
      color: var(--accent);
      flex: 0 0 auto;
    }
    details.faq[open] summary::after { content: '–'; }
    details.faq .answer {
      margin-top: 12px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.72;
    }
    .cta {
      margin-top: 24px;
      border-radius: 26px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(49,240,198,0.18), rgba(28,199,255,0.10)),
        radial-gradient(circle at right top, rgba(49,240,198,0.12), transparent 28%),
        var(--panel-2);
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: var(--shadow);
    }
    .cta-inner {
      padding: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }
    .cta h2 {
      margin: 0 0 8px;
      font-size: 28px;
      line-height: 1.2;
    }
    .cta p {
      margin: 0;
      color: #c2d0db;
      max-width: 66ch;
    }
    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .form-panel {
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 18px;
    }
    .form-box {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 22px;
    }
    .form-box h3 { margin: 0 0 10px; font-size: 22px; }
    .form-box p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }
    .field {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .field.full { grid-column: 1 / -1; }
    .field label {
      font-size: 13px;
      color: #dbe6ef;
    }
    .field input,
    .field select,
    .field textarea {
      width: 100%;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(255,255,255,0.04);
      color: var(--text);
      padding: 12px 14px;
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
      resize: vertical;
    }
    .field textarea { min-height: 110px; }
    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: rgba(49,240,198,0.5);
      box-shadow: 0 0 0 4px rgba(49,240,198,0.1);
      background: rgba(255,255,255,0.06);
    }
    .form-note {
      margin-top: 12px;
      color: var(--muted-2);
      font-size: 12px;
      line-height: 1.7;
    }
    .sidebar-box {
      background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 22px;
      padding: 22px;
    }
    .sidebar-box h3 { margin: 0 0 10px; font-size: 22px; }
    .checklist {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }
    .checklist li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #d7e3ec;
      font-size: 14px;
    }
    .checklist li::before {
      content: '●';
      color: var(--accent);
      margin-top: 2px;
      font-size: 12px;
    }
    .site-footer {
      margin-top: 28px;
      border-top: 1px solid rgba(255,255,255,0.08);
      background: rgba(9,13,18,0.92);
    }
    .footer-inner {
      padding: 26px 0 32px;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
    }
    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-brand strong {
      font-size: 18px;
    }
    .footer-brand p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .footer-links {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .footer-links div {
      display: grid;
      gap: 10px;
    }
    .footer-links h4 {
      margin: 0;
      font-size: 14px;
      color: #dce8f0;
    }
    .footer-links a,
    .footer-links span {
      color: var(--muted);
      font-size: 13px;
    }
    .footer-bottom {
      padding: 14px 0 28px;
      color: var(--muted-2);
      font-size: 12px;
      border-top: 1px solid rgba(255,255,255,0.06);
    }
    .chip-scroll {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .chip {
      display: inline-flex;
      align-items: center;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.04);
      color: #d8e6ef;
      font-size: 13px;
    }
    .divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.10), transparent);
      margin: 18px 0;
    }
    .muted { color: var(--muted); }
    .highlight { color: #dffff8; }
    .badge-hot {
      color: #fff0da;
      background: rgba(255,179,77,0.12);
      border: 1px solid rgba(255,179,77,0.22);
    }
    .badge-live {
      color: #dffbf4;
      background: rgba(49,240,198,0.10);
      border: 1px solid rgba(49,240,198,0.20);
    }
    .badge-neutral {
      color: #dbe5ec;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.08);
    }
    .list-meta {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 12px;
    }
    .article-list {
      display: grid;
      gap: 14px;
    }
    .article-row {
      display: grid;
      grid-template-columns: 120px 1fr;
      gap: 14px;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 18px;
      overflow: hidden;
      transition: transform var(--transition), border-color var(--transition);
    }
    .article-row:hover { transform: translateY(-2px); border-color: rgba(49,240,198,0.22); }
    .article-row img {
      width: 100%;
      height: 100%;
      min-height: 132px;
      object-fit: cover;
    }
    .article-row .body {
      padding: 14px 14px 14px 0;
    }
    .article-row h4 {
      margin: 0 0 8px;
      font-size: 17px;
      line-height: 1.4;
    }
    .article-row p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }
    .article-row .meta {
      margin-top: 10px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      color: var(--muted-2);
      font-size: 12px;
    }
    @media (max-width: 1160px) {
      .quick-strip, .index-grid, .info-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .topic-layout, .split-section, .form-panel, .footer-inner { grid-template-columns: 1fr; }
      .hero-inner { grid-template-columns: 1fr; min-height: auto; }
      .hero-copy { max-width: none; }
      .search-box { width: 220px; }
    }
    @media (max-width: 860px) {
      .nav { flex-wrap: wrap; padding: 14px 0; }
      .nav-links { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
      .nav-tools { margin-left: auto; }
      .search-box { width: 100%; max-width: 100%; }
      .hero { border-radius: 22px; }
      .hero-inner { padding: 24px; gap: 20px; }
      .quick-strip, .index-grid, .info-bar, .feature-stats, .faq-wrap, .score-meta, .form-grid { grid-template-columns: 1fr; }
      .section-head { flex-direction: column; align-items: flex-start; }
      .article-row, .stack-item, .cover-card { grid-template-columns: 1fr; }
      .article-row .body, .stack-item .txt, .cover-card .content { padding: 0 14px 14px; }
      .feature-content { min-height: auto; }
      .feature-card { min-height: 0; }
      .cta-inner { padding: 22px; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 20px, var(--container)); }
      .nav { gap: 12px; }
      .brand-mark { width: 38px; height: 38px; border-radius: 12px; }
      .brand-text strong { font-size: 14px; }
      .brand-text span { font-size: 11px; }
      .nav-links a { padding: 9px 12px; font-size: 13px; }
      .status-pill { height: 38px; padding: 0 12px; font-size: 12px; }
      h1 { font-size: clamp(30px, 11vw, 42px); }
      .hero-copy p { font-size: 15px; }
      .btn { width: 100%; }
      .hero-actions { gap: 10px; }
      .hero-inner { padding: 18px; }
      .feature-content { padding: 18px; }
      .panel, .form-box, .sidebar-box { padding: 18px; border-radius: 18px; }
      .cta h2 { font-size: 24px; }
      .footer-links { grid-template-columns: 1fr; }
      .section-head h2 { font-size: 22px; }
    }

/* roulang page: category1 */
:root{
      --bg:#0b0f14;
      --bg-2:#0f141b;
      --panel:#121922;
      --panel-2:#161f2a;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(35,216,195,.18);
      --text:#edf4fb;
      --muted:#9aa8b8;
      --muted-2:#718295;
      --accent:#23d8c3;
      --accent-2:#36b7ff;
      --warn:#ffb347;
      --danger:#ff6d6d;
      --ok:#53e08a;
      --shadow:0 18px 42px rgba(0,0,0,.32);
      --shadow-soft:0 10px 26px rgba(0,0,0,.22);
      --radius:14px;
      --radius-sm:12px;
      --radius-lg:24px;
      --container:1280px;
      --gap:24px;
      --gap-sm:14px;
      --gap-lg:36px;
      --transition:180ms ease;
      --transition-slow:280ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 800px at 20% -10%, rgba(54,183,255,.16), transparent 55%),
        radial-gradient(900px 600px at 85% 10%, rgba(35,216,195,.12), transparent 48%),
        linear-gradient(180deg, #091015 0%, #0b0f14 32%, #0a0d12 100%);
      min-height:100vh;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.78), rgba(0,0,0,.18) 70%, rgba(0,0,0,0));
      opacity:.55;
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{
      border:0;
      background:none;
      cursor:pointer;
    }
    ::selection{background:rgba(35,216,195,.28);color:#fff}
    :focus-visible{
      outline:2px solid rgba(35,216,195,.95);
      outline-offset:3px;
    }

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(14px);
      background:rgba(9,15,20,.82);
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .nav{
      display:flex;
      align-items:center;
      gap:18px;
      min-height:78px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(135deg, rgba(35,216,195,.96), rgba(54,183,255,.92));
      color:#041016;
      font-weight:900;
      letter-spacing:.5px;
      box-shadow:0 10px 24px rgba(35,216,195,.18);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      line-height:1.1;
    }
    .brand-text strong{
      font-size:16px;
      letter-spacing:.3px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      margin-top:4px;
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
      flex-wrap:wrap;
    }
    .nav-links a{
      position:relative;
      padding:11px 14px;
      color:var(--muted);
      border-radius:999px;
      transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      border:1px solid transparent;
      font-size:14px;
      font-weight:600;
      letter-spacing:.2px;
    }
    .nav-links a:hover{
      color:var(--text);
      background:rgba(255,255,255,.04);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:#071114;
      background:linear-gradient(135deg, rgba(35,216,195,1), rgba(54,183,255,.95));
      border-color:transparent;
      box-shadow:0 10px 26px rgba(35,216,195,.12);
    }
    .nav-tools{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      margin-left:8px;
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:260px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
      transition:border-color var(--transition), background var(--transition), transform var(--transition);
    }
    .search-box:focus-within{
      border-color:rgba(35,216,195,.42);
      background:rgba(255,255,255,.06);
      transform:translateY(-1px);
    }
    .search-box svg{
      width:16px;height:16px;
      color:var(--muted);
      flex:0 0 auto;
    }
    .search-box input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
    }
    .search-box input::placeholder{color:#8292a3}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      font-size:13px;
      color:var(--muted);
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
      white-space:nowrap;
    }
    .status-dot{
      width:9px;height:9px;border-radius:50%;
      background:var(--ok);
      box-shadow:0 0 0 4px rgba(83,224,138,.14);
      flex:0 0 auto;
    }

    .hero{
      padding:28px 0 18px;
    }
    .hero-shell{
      position:relative;
      border-radius:28px;
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(10,14,19,.32), rgba(10,14,19,.84)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(6,10,14,.82) 0%, rgba(6,10,14,.60) 48%, rgba(6,10,14,.84) 100%),
        radial-gradient(800px 280px at 70% 8%, rgba(35,216,195,.16), transparent 60%);
      z-index:0;
    }
    .hero-shell:after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(35,216,195,.4), transparent);
      z-index:1;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      padding:34px;
    }
    .hero-top{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(280px,.85fr);
      gap:24px;
      align-items:end;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      font-size:12px;
      color:#d7f6f3;
      background:rgba(35,216,195,.1);
      border:1px solid rgba(35,216,195,.2);
      width:max-content;
      letter-spacing:.3px;
    }
    .eyebrow i{
      width:8px;height:8px;border-radius:50%;
      background:var(--warn);
      box-shadow:0 0 0 4px rgba(255,179,71,.12);
      display:inline-block;
    }
    .hero h1{
      margin:14px 0 12px;
      font-size:clamp(32px, 4vw, 58px);
      line-height:1.08;
      letter-spacing:-.8px;
      font-weight:900;
      max-width:12ch;
    }
    .hero p{
      margin:0;
      font-size:16px;
      line-height:1.85;
      color:#c7d3e0;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.2px;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
      border:1px solid transparent;
    }
    .btn-primary{
      color:#071114;
      background:linear-gradient(135deg, rgba(35,216,195,1), rgba(54,183,255,.98));
      box-shadow:0 14px 30px rgba(35,216,195,.14);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(35,216,195,.22);
      filter:saturate(1.03);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.1);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.07);
      border-color:rgba(35,216,195,.28);
    }
    .hero-panel{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .signal-card{
      background:rgba(9,13,18,.55);
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      padding:18px;
      box-shadow:var(--shadow-soft);
      backdrop-filter: blur(8px);
    }
    .signal-card strong{
      display:block;
      font-size:16px;
      margin-bottom:10px;
      letter-spacing:.2px;
    }
    .signal-line{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:10px 0;
      border-top:1px solid rgba(255,255,255,.07);
      color:var(--muted);
      font-size:14px;
    }
    .signal-line:first-of-type{border-top:0;padding-top:0}
    .signal-line span:last-child{color:var(--text);font-weight:700}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      margin-top:22px;
    }
    .metric{
      padding:16px 16px 15px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.07);
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
      min-height:108px;
    }
    .metric:hover{
      transform:translateY(-2px);
      border-color:rgba(35,216,195,.26);
      background:rgba(255,255,255,.06);
    }
    .metric .label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:12px;
      color:#bcd0e0;
      text-transform:uppercase;
      letter-spacing:.5px;
    }
    .metric .label::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(35,216,195,.12);
      flex:0 0 auto;
    }
    .metric .value{
      margin-top:12px;
      font-size:28px;
      font-weight:900;
      letter-spacing:-.6px;
      line-height:1;
      color:#f7fbff;
    }
    .metric .desc{
      margin-top:8px;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }

    .section{
      padding:16px 0 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:18px;
      margin-bottom:16px;
    }
    .section-title{
      margin:0;
      font-size:24px;
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.3px;
    }
    .section-subtitle{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.75;
      max-width:74ch;
      font-size:14px;
    }
    .section-note{
      color:var(--muted-2);
      font-size:13px;
      white-space:nowrap;
    }

    .chip-row{
      display:flex;
      gap:10px;
      overflow:auto;
      padding:2px 2px 10px;
      margin:-2px -2px 6px;
      scrollbar-width:thin;
    }
    .chip-row::-webkit-scrollbar{height:8px}
    .chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px}
    .chip{
      flex:0 0 auto;
      padding:10px 14px;
      border-radius:999px;
      font-size:13px;
      color:var(--muted);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      transition:transform var(--transition), border-color var(--transition), color var(--transition), background var(--transition);
    }
    .chip:hover{
      transform:translateY(-1px);
      color:var(--text);
      border-color:rgba(35,216,195,.28);
      background:rgba(35,216,195,.08);
    }
    .chip.active{
      color:#081014;
      background:linear-gradient(135deg, rgba(35,216,195,1), rgba(54,183,255,.95));
      border-color:transparent;
      font-weight:800;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);
      gap:var(--gap);
      margin-top:14px;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      min-height:420px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
    }
    .feature-media{
      position:absolute;
      inset:0;
      background:url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      transform:scale(1.03);
      filter:saturate(.96) contrast(1.02);
    }
    .feature-card:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(10,14,18,.06) 0%, rgba(10,14,18,.72) 70%, rgba(10,14,18,.92) 100%),
        linear-gradient(90deg, rgba(10,14,18,.34), rgba(10,14,18,.08));
    }
    .feature-body{
      position:relative;
      z-index:1;
      height:100%;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      padding:28px;
    }
    .feature-badges{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      line-height:1;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
      color:#eaf5ff;
      backdrop-filter: blur(8px);
    }
    .tag.warn{background:rgba(255,179,71,.14);border-color:rgba(255,179,71,.24);color:#ffe7bd}
    .tag.green{background:rgba(35,216,195,.14);border-color:rgba(35,216,195,.2);color:#d9fffa}
    .feature-body h2{
      margin:0;
      font-size:clamp(24px, 3vw, 38px);
      line-height:1.12;
      font-weight:900;
      max-width:14ch;
      letter-spacing:-.4px;
    }
    .feature-body p{
      margin:14px 0 0;
      color:#d4deea;
      line-height:1.85;
      max-width:56ch;
      font-size:15px;
    }
    .feature-list{
      display:grid;
      gap:12px;
      margin-top:18px;
      max-width:560px;
    }
    .feature-list li{
      list-style:none;
      position:relative;
      padding-left:26px;
      color:#eef4fb;
      line-height:1.65;
      font-size:14px;
    }
    .feature-list li:before{
      content:"";
      position:absolute;
      left:0;top:8px;
      width:11px;height:11px;
      border-radius:50%;
      background:linear-gradient(135deg, rgba(35,216,195,1), rgba(54,183,255,.95));
      box-shadow:0 0 0 4px rgba(35,216,195,.12);
    }

    .side-stack{
      display:grid;
      gap:var(--gap);
    }
    .mini-card{
      padding:20px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(20,28,38,.96), rgba(12,17,24,.96));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .mini-card h3{
      margin:0 0 10px;
      font-size:18px;
      line-height:1.25;
      font-weight:900;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }
    .mini-stats{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .mini-stat{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.06);
    }
    .mini-stat span:first-child{
      color:var(--muted);
      font-size:13px;
    }
    .mini-stat strong{
      color:var(--text);
      font-size:14px;
      letter-spacing:.2px;
      text-align:right;
    }
    .mini-cover{
      margin-top:14px;
      border-radius:18px;
      overflow:hidden;
      aspect-ratio:16/9;
      position:relative;
      border:1px solid rgba(255,255,255,.08);
      background:#0f141b;
    }
    .mini-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform var(--transition-slow);
    }
    .mini-card:hover .mini-cover img,
    .card:hover .card-media img{
      transform:scale(1.04);
    }

    .index-section{
      padding-top:18px;
    }
    .index-layout{
      display:grid;
      grid-template-columns:repeat(12,minmax(0,1fr));
      gap:var(--gap);
      align-items:start;
    }
    .filter-bar{
      grid-column:1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.07);
      box-shadow:var(--shadow-soft);
    }
    .filter-left{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      flex-wrap:wrap;
    }
    .filter-label{
      color:#c9d7e5;
      font-size:13px;
      font-weight:700;
      margin-right:2px;
    }
    .filter-actions{
      display:flex;
      gap:10px;
      overflow:auto;
      padding-bottom:2px;
      scrollbar-width:thin;
      max-width:100%;
    }
    .filter-actions::-webkit-scrollbar{height:8px}
    .filter-actions::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px}
    .filter-btn{
      flex:0 0 auto;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
      font-size:13px;
      font-weight:700;
    }
    .filter-btn:hover{
      transform:translateY(-1px);
      color:var(--text);
      border-color:rgba(35,216,195,.28);
      background:rgba(35,216,195,.08);
    }
    .filter-btn.active{
      color:#071114;
      background:linear-gradient(135deg, rgba(35,216,195,1), rgba(54,183,255,.95));
      border-color:transparent;
    }
    .filter-right{
      color:var(--muted-2);
      font-size:13px;
      white-space:nowrap;
    }

    .cards-grid{
      grid-column:1 / span 8;
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:var(--gap);
    }
    .card{
      overflow:hidden;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(18,25,34,.98), rgba(13,18,24,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(35,216,195,.26);
      box-shadow:0 20px 40px rgba(0,0,0,.34);
    }
    .card-media{
      aspect-ratio:16/9;
      overflow:hidden;
      background:#0d1117;
      position:relative;
    }
    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform var(--transition-slow);
    }
    .card-body{
      padding:18px 18px 20px;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 9px;
      border-radius:999px;
      font-size:12px;
      color:#dce8f4;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
    }
    .meta-pill.hot{color:#ffe0aa;background:rgba(255,179,71,.12);border-color:rgba(255,179,71,.22)}
    .meta-pill.ok{color:#d7fff0;background:rgba(83,224,138,.12);border-color:rgba(83,224,138,.2)}
    .card h3{
      margin:0;
      font-size:18px;
      line-height:1.38;
      font-weight:900;
      letter-spacing:-.2px;
      min-height:50px;
    }
    .card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.82;
      min-height:52px;
    }
    .card-foot{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-top:14px;
      padding-top:14px;
      border-top:1px solid rgba(255,255,255,.06);
      color:var(--muted-2);
      font-size:13px;
    }
    .card-foot strong{
      color:var(--text);
      font-weight:800;
      font-size:13px;
    }

    .list-feature{
      grid-column:9 / -1;
      display:grid;
      gap:var(--gap);
    }
    .sticky-card{
      position:sticky;
      top:96px;
      padding:22px;
      border-radius:24px;
      background:
        radial-gradient(700px 240px at 70% 0%, rgba(35,216,195,.16), transparent 55%),
        linear-gradient(180deg, rgba(19,26,36,.98), rgba(12,17,24,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .sticky-card h3{
      margin:0 0 10px;
      font-size:20px;
      line-height:1.25;
      font-weight:900;
    }
    .sticky-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .sticky-cover{
      margin:16px 0;
      border-radius:18px;
      overflow:hidden;
      aspect-ratio:4/3;
      border:1px solid rgba(255,255,255,.08);
    }
    .sticky-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .bullet-list{
      margin:16px 0 0;
      padding:0;
      display:grid;
      gap:11px;
    }
    .bullet-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#e9f3fb;
      line-height:1.6;
      font-size:14px;
    }
    .bullet-list li:before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      margin-top:7px;
      background:var(--warn);
      box-shadow:0 0 0 4px rgba(255,179,71,.12);
      flex:0 0 auto;
    }

    .support-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:var(--gap);
      margin-top:var(--gap);
    }
    .support-card{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.07);
      box-shadow:var(--shadow-soft);
    }
    .support-card .head{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:12px;
    }
    .support-card .icon{
      width:38px;height:38px;border-radius:13px;
      display:grid;place-items:center;
      background:rgba(35,216,195,.12);
      border:1px solid rgba(35,216,195,.18);
      color:#d9fffa;
      flex:0 0 auto;
    }
    .support-card .icon svg{width:18px;height:18px}
    .support-card h3{
      margin:0;
      font-size:17px;
      font-weight:900;
    }
    .support-card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
    }

    .faq-section{
      padding-top:14px;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:var(--gap);
    }
    details.faq{
      border-radius:18px;
      background:linear-gradient(180deg, rgba(18,25,34,.96), rgba(13,18,24,.96));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    details.faq[open]{
      border-color:rgba(35,216,195,.24);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:center;
      font-weight:800;
      line-height:1.5;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .faq-q{
      font-size:15px;
    }
    .faq-arrow{
      flex:0 0 auto;
      width:30px;height:30px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--muted);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.06);
      transition:transform var(--transition), color var(--transition), background var(--transition);
    }
    details.faq[open] .faq-arrow{
      transform:rotate(180deg);
      color:#061015;
      background:linear-gradient(135deg, rgba(35,216,195,1), rgba(54,183,255,.95));
    }
    .faq-content{
      padding:0 20px 18px;
      color:var(--muted);
      line-height:1.9;
      font-size:14px;
    }
    .faq-content p{
      margin:0;
    }

    .cta-section{
      padding:24px 0 54px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(35,216,195,.16), rgba(54,183,255,.12)),
        linear-gradient(180deg, rgba(18,25,34,.96), rgba(11,15,20,.98));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
    }
    .cta-box:before{
      content:"";
      position:absolute;
      inset:-20% auto auto -10%;
      width:280px;height:280px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(35,216,195,.15), transparent 68%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);
      gap:var(--gap);
      padding:28px;
      align-items:center;
    }
    .cta-copy h2{
      margin:0;
      font-size:28px;
      line-height:1.2;
      font-weight:900;
    }
    .cta-copy p{
      margin:12px 0 0;
      color:#d3deea;
      line-height:1.85;
      max-width:62ch;
      font-size:15px;
    }
    .cta-form{
      padding:18px;
      border-radius:22px;
      background:rgba(7,10,15,.52);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .field-row{
      display:grid;
      gap:12px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      color:#dfe9f3;
      font-size:13px;
      font-weight:700;
    }
    .field input,.field select{
      width:100%;
      min-height:46px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      color:var(--text);
      padding:0 14px;
      outline:none;
      transition:border-color var(--transition), background var(--transition), transform var(--transition);
    }
    .field input::placeholder{color:#7f91a3}
    .field input:focus,.field select:focus{
      border-color:rgba(35,216,195,.44);
      background:rgba(255,255,255,.06);
      transform:translateY(-1px);
    }
    .submit{
      margin-top:6px;
      width:100%;
      min-height:48px;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(35,216,195,1), rgba(54,183,255,.95));
      color:#071114;
      font-weight:900;
      letter-spacing:.2px;
      box-shadow:0 14px 30px rgba(35,216,195,.14);
      transition:transform var(--transition), box-shadow var(--transition), filter var(--transition);
    }
    .submit:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(35,216,195,.2);
      filter:saturate(1.02);
    }
    .form-note{
      margin-top:10px;
      color:var(--muted-2);
      font-size:12px;
      line-height:1.6;
    }

    .site-footer{
      margin-top:8px;
      border-top:1px solid rgba(255,255,255,.07);
      background:rgba(7,10,14,.82);
    }
    .footer-inner{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);
      gap:var(--gap);
      padding:28px 0 18px;
    }
    .footer-brand strong{
      display:block;
      font-size:18px;
      letter-spacing:.2px;
      margin-bottom:10px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      line-height:1.85;
      font-size:14px;
      max-width:66ch;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .footer-links h4{
      margin:0 0 12px;
      font-size:14px;
      color:#eaf5ff;
    }
    .footer-links a,
    .footer-links span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.9;
      margin:0 0 4px;
    }
    .footer-links a:hover{
      color:var(--text);
    }
    .footer-bottom{
      padding:16px 0 24px;
      border-top:1px solid rgba(255,255,255,.06);
      color:var(--muted-2);
      font-size:12px;
      letter-spacing:.2px;
    }

    @media (max-width: 1180px){
      .nav{
        flex-wrap:wrap;
        padding:12px 0;
      }
      .nav-tools{margin-left:auto}
      .search-box{min-width:220px}
      .hero-top,
      .feature-grid,
      .cta-inner,
      .footer-inner{
        grid-template-columns:1fr;
      }
      .hero-metrics{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .cards-grid,
      .list-feature,
      .faq-wrap,
      .support-grid{
        grid-column:1 / -1;
      }
      .cards-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .sticky-card{position:relative;top:auto}
    }

    @media (max-width: 900px){
      .nav-links{order:3;width:100%;justify-content:flex-start;padding-bottom:2px}
      .nav-tools{margin-left:0;flex:1 1 100%;width:100%}
      .search-box{min-width:0;flex:1 1 auto}
      .hero-inner{padding:24px}
      .hero h1{max-width:none}
      .hero-metrics{grid-template-columns:1fr 1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .filter-bar{
        flex-direction:column;
        align-items:flex-start;
      }
      .cards-grid{
        grid-template-columns:1fr;
      }
      .support-grid{
        grid-template-columns:1fr;
      }
      .cta-copy h2{font-size:24px}
      .footer-links{grid-template-columns:1fr}
    }

    @media (max-width: 620px){
      .container{width:min(var(--container), calc(100% - 20px))}
      .nav{gap:12px}
      .brand-text span{display:none}
      .status-pill{display:none}
      .hero{padding-top:18px}
      .hero-shell{border-radius:22px}
      .hero-inner{padding:18px}
      .hero h1{font-size:30px}
      .hero p,.section-subtitle,.mini-card p,.card p,.cta-copy p,.footer-brand p{
        font-size:14px;
        line-height:1.8;
      }
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .hero-metrics{
        grid-template-columns:1fr;
      }
      .metric .value{font-size:24px}
      .feature-card{min-height:auto}
      .feature-body{padding:18px}
      .feature-body h2{max-width:none}
      .card h3{min-height:auto;font-size:17px}
      .card p{min-height:auto}
      .cta-inner{padding:18px}
      .cta-form{padding:14px}
      .footer-inner{padding-top:22px}
    }