/* roulang page: index */
:root {
      --bg: #0b0d12;
      --bg-2: #0f1218;
      --panel: #11151d;
      --panel-2: #151a23;
      --line: #2a313d;
      --line-2: #36404f;
      --text: #e7ebf2;
      --muted: #97a2b3;
      --soft: #b8c1cf;
      --accent: #53f2d7;
      --accent-2: #ff4fd8;
      --accent-3: #ffbf5a;
      --accent-4: #7ea7ff;
      --shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
      --radius: 6px;
      --radius-sm: 4px;
      --container: 1180px;
      --gap: 24px;
      --gap-sm: 14px;
      --pad: 20px;
      --pad-sm: 16px;
      --transition: 160ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      color: var(--text);
      background:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(180deg, #0b0d12 0%, #0d1016 46%, #0b0d12 100%);
      background-size: 28px 28px, 28px 28px, 100% 100%;
      letter-spacing: 0;
      line-height: 1.65;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
        repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 3px);
      opacity: 0.12;
      mix-blend-mode: screen;
      z-index: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
      color: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      background: rgba(83, 242, 215, 0.24);
      color: var(--text);
    }

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

    .topbar {
      background: #0f131a;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 0.92rem;
    }

    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 44px;
    }

    .topbar-note {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .topbar-note::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 3px rgba(83, 242, 215, 0.12);
      flex: 0 0 auto;
    }

    .topbar-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--text);
      padding: 6px 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.02);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
      white-space: nowrap;
    }

    .topbar-link:hover {
      transform: translateY(-1px);
      border-color: var(--accent);
      background: rgba(83, 242, 215, 0.06);
    }

    header {
      position: sticky;
      top: 0;
      z-index: 40;
      backdrop-filter: blur(12px);
      background: rgba(11, 13, 18, 0.86);
      border-bottom: 1px solid rgba(54, 64, 79, 0.7);
    }

    .nav-wrap {
      padding: 16px 0;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      position: relative;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      flex: 0 0 auto;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border: 1px solid var(--line-2);
      border-radius: 6px;
      background:
        linear-gradient(135deg, rgba(83, 242, 215, 0.12), rgba(255, 79, 216, 0.09)),
        #11151d;
      display: grid;
      place-items: center;
      color: var(--accent);
      font-weight: 800;
      letter-spacing: 0;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .brand-name {
      font-weight: 800;
      font-size: 1rem;
      letter-spacing: 0;
      line-height: 1.2;
      white-space: nowrap;
    }

    .brand-sub {
      font-size: 0.83rem;
      color: var(--muted);
      margin-top: 2px;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 13px;
      border-radius: 6px;
      border: 1px solid transparent;
      color: var(--soft);
      transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--text);
      border-color: var(--line-2);
      background: rgba(255, 255, 255, 0.03);
      transform: translateY(-1px);
      outline: none;
    }

    .nav-link.active {
      color: var(--bg);
      background: linear-gradient(135deg, rgba(83, 242, 215, 0.95), rgba(126, 167, 255, 0.95));
      border-color: transparent;
      box-shadow: 0 8px 18px rgba(83, 242, 215, 0.16);
    }

    .nav-tools {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .menu-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 6px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
      color: var(--text);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }

    .menu-toggle:hover {
      transform: translateY(-1px);
      border-color: var(--accent);
      background: rgba(83, 242, 215, 0.06);
    }

    .nav-drawer {
      display: none;
    }

    main {
      position: relative;
      z-index: 1;
    }

    section {
      padding: 72px 0;
      border-top: 1px solid rgba(54, 64, 79, 0.6);
    }

    .hero {
      border-top: 0;
      padding-top: 42px;
      padding-bottom: 54px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 0.9rem;
      text-transform: none;
      letter-spacing: 0;
      margin-bottom: 16px;
    }

    .eyebrow::before {
      content: "";
      width: 20px;
      height: 1px;
      background: var(--accent);
      box-shadow: 0 0 0 1px rgba(83, 242, 215, 0.18);
    }

    .hero-title {
      font-size: 3.1rem;
      line-height: 1.08;
      margin: 0;
      letter-spacing: 0;
      max-width: 12ch;
    }

    .hero-copy {
      max-width: 780px;
    }

    .hero-text {
      font-size: 1.05rem;
      color: var(--soft);
      max-width: 64ch;
      margin: 18px 0 0;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 12px 16px;
      border-radius: 6px;
      border: 1px solid transparent;
      transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
      font-weight: 700;
      letter-spacing: 0;
      line-height: 1;
      min-height: 44px;
      white-space: nowrap;
    }

    .btn:hover,
    .btn:focus-visible {
      transform: translateY(-1px);
      outline: none;
    }

    .btn-primary {
      color: #071015;
      background: linear-gradient(135deg, rgba(83, 242, 215, 1), rgba(126, 167, 255, 1));
      box-shadow: 0 10px 20px rgba(83, 242, 215, 0.16);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      box-shadow: 0 14px 26px rgba(83, 242, 215, 0.2);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, 0.03);
      border-color: var(--line);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      border-color: var(--accent);
      background: rgba(83, 242, 215, 0.07);
    }

    .btn-ghost {
      color: var(--soft);
      background: transparent;
      border-color: var(--line);
    }

    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      color: var(--text);
      border-color: var(--line-2);
      background: rgba(255, 255, 255, 0.03);
    }

    .hero-search {
      margin: 28px auto 18px;
      max-width: 760px;
      display: flex;
      gap: 10px;
      align-items: stretch;
      padding: 10px;
      border: 1px solid var(--line-2);
      border-radius: 8px;
      background: rgba(17, 21, 29, 0.95);
      box-shadow: var(--shadow);
    }

    .search-input {
      flex: 1 1 auto;
      min-width: 0;
      height: 46px;
      border: 0;
      background: transparent;
      color: var(--text);
      padding: 0 8px;
      outline: none;
    }

    .search-input::placeholder {
      color: #79869a;
    }

    .search-btn {
      min-width: 104px;
      border-radius: 6px;
    }

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 18px 0 28px;
    }

    .stat {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.02);
      padding: 10px 12px;
      color: var(--soft);
    }

    .stat strong {
      color: var(--text);
      font-size: 1.05rem;
      line-height: 1;
    }

    .hero-bento {
      display: grid;
      grid-template-columns: 1.1fr 0.95fr 0.95fr;
      gap: 16px;
      margin-top: 28px;
    }

    .bento-panel {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: linear-gradient(180deg, rgba(21, 26, 35, 0.98), rgba(17, 21, 29, 0.98));
      padding: 18px;
      min-height: 220px;
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    }

    .panel-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin: 0 0 14px;
      font-size: 1.02rem;
    }

    .panel-title span {
      color: var(--muted);
      font-size: 0.88rem;
      font-weight: 500;
    }

    .bullet-list,
    .mini-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .bullet-list li,
    .mini-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 10px 0;
      border-top: 1px solid rgba(54, 64, 79, 0.55);
      color: var(--soft);
    }

    .bullet-list li:first-child,
    .mini-list li:first-child {
      border-top: 0;
      padding-top: 0;
    }

    .bullet-list li::before,
    .mini-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      margin-top: 7px;
      background: var(--accent);
      box-shadow: 0 0 0 3px rgba(83, 242, 215, 0.12);
      flex: 0 0 auto;
    }

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

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 11px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.02);
      color: var(--soft);
      transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
      white-space: nowrap;
    }

    .chip:hover,
    .chip:focus-visible {
      transform: translateY(-1px);
      border-color: var(--accent-2);
      color: var(--text);
      background: rgba(255, 79, 216, 0.08);
      outline: none;
    }

    .chip.active {
      color: var(--bg);
      background: linear-gradient(135deg, rgba(255, 79, 216, 0.95), rgba(83, 242, 215, 0.92));
      border-color: transparent;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 24px;
    }

    .section-head h2 {
      margin: 0;
      font-size: 1.7rem;
      line-height: 1.18;
      letter-spacing: 0;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      max-width: 68ch;
      font-size: 0.98rem;
    }

    .split-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 18px;
      align-items: start;
    }

    .list-board {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(17, 21, 29, 0.94);
      overflow: hidden;
    }

    .list-row {
      display: grid;
      grid-template-columns: 88px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px 16px;
      border-top: 1px solid rgba(54, 64, 79, 0.55);
      transition: background var(--transition), transform var(--transition), border-color var(--transition);
    }

    .list-row:first-child {
      border-top: 0;
    }

    .list-row:hover,
    .list-row:focus-visible {
      background: rgba(255, 255, 255, 0.03);
      outline: none;
    }

    .list-time {
      color: var(--muted);
      font-size: 0.9rem;
    }

    .list-main {
      min-width: 0;
    }

    .list-title {
      display: block;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text);
      transition: color var(--transition);
      line-height: 1.35;
    }

    .list-row:hover .list-title,
    .list-row:focus-visible .list-title {
      color: var(--accent);
    }

    .list-desc {
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.5;
    }

    .list-flag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent-3);
      font-size: 0.84rem;
      white-space: nowrap;
    }

    .recommend {
      display: grid;
      gap: 12px;
    }

    .recommend-card {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(21, 26, 35, 0.96);
      padding: 16px;
    }

    .recommend-card h3 {
      margin: 0 0 10px;
      font-size: 1rem;
    }

    .meter {
      height: 8px;
      border-radius: 999px;
      background: #1a202b;
      overflow: hidden;
      margin: 10px 0 6px;
      border: 1px solid rgba(54, 64, 79, 0.55);
    }

    .meter span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
    }

    .recommend-note {
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.5;
      margin: 0;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .tile,
    .tier,
    .scene,
    .safety-item,
    .info-card,
    .faq-card {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(17, 21, 29, 0.96);
      padding: 18px;
    }

    .tile h3,
    .tier h3,
    .scene h3,
    .safety-item h3,
    .info-card h3 {
      margin: 0 0 10px;
      font-size: 1.04rem;
      line-height: 1.35;
    }

    .tile p,
    .tier p,
    .scene p,
    .safety-item p,
    .info-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.65;
      font-size: 0.95rem;
    }

    .tile .icon,
    .tier .icon,
    .scene .icon,
    .safety-item .icon,
    .info-card .icon {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.02);
      color: var(--accent);
      margin-bottom: 12px;
    }

    .tile:hover,
    .tier:hover,
    .scene:hover,
    .safety-item:hover,
    .info-card:hover,
    .faq-card:hover {
      border-color: var(--line-2);
      transform: translateY(-2px);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }

    .theme-section {
      display: grid;
      gap: 16px;
    }

    .theme-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .theme-card {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: linear-gradient(180deg, rgba(21, 26, 35, 0.95), rgba(17, 21, 29, 0.98));
      padding: 18px;
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .theme-card .badge-row,
    .tier-head,
    .info-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--accent);
      background: rgba(83, 242, 215, 0.06);
      font-size: 0.84rem;
      white-space: nowrap;
    }

    .badge.alt {
      color: var(--accent-2);
      background: rgba(255, 79, 216, 0.07);
    }

    .badge.warn {
      color: var(--accent-3);
      background: rgba(255, 191, 90, 0.07);
    }

    .theme-card h3 {
      margin: 0 0 8px;
      font-size: 1.2rem;
      line-height: 1.25;
    }

    .theme-card p {
      margin: 0 0 14px;
      color: var(--muted);
      line-height: 1.6;
    }

    .theme-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
      margin-bottom: 14px;
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 9px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--soft);
      background: rgba(255, 255, 255, 0.02);
      font-size: 0.82rem;
      white-space: nowrap;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: auto;
      color: var(--text);
      font-weight: 700;
      padding-top: 8px;
    }

    .card-link:hover,
    .card-link:focus-visible {
      color: var(--accent);
      outline: none;
    }

    .quick-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .quick-item {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(17, 21, 29, 0.95);
      padding: 0;
      overflow: hidden;
    }

    .quick-item summary {
      list-style: none;
      padding: 16px 16px 15px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      cursor: pointer;
      font-weight: 700;
      color: var(--text);
    }

    .quick-item summary::-webkit-details-marker {
      display: none;
    }

    .quick-item .answer {
      padding: 0 16px 16px;
      color: var(--muted);
      line-height: 1.7;
    }

    .quick-item[open] {
      border-color: var(--accent);
      box-shadow: 0 10px 24px rgba(83, 242, 215, 0.08);
    }

    .faq-grid {
      display: grid;
      gap: 14px;
    }

    .faq-card {
      padding: 0;
      overflow: hidden;
    }

    .faq-card summary {
      list-style: none;
      padding: 16px 18px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-weight: 700;
      color: var(--text);
      border-bottom: 1px solid transparent;
    }

    .faq-card summary::-webkit-details-marker {
      display: none;
    }

    .faq-card .faq-body {
      padding: 0 18px 18px;
      color: var(--muted);
      line-height: 1.75;
    }

    .faq-icon {
      color: var(--accent);
      transition: transform var(--transition);
      flex: 0 0 auto;
    }

    .faq-card[open] .faq-icon,
    .quick-item[open] .faq-icon {
      transform: rotate(180deg);
    }

    .info-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 16px;
      align-items: start;
    }

    .info-list {
      display: grid;
      gap: 12px;
    }

    .info-card {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px;
      align-items: start;
    }

    .info-card .icon {
      margin-bottom: 0;
      margin-top: 2px;
    }

    .info-card h3 {
      margin-bottom: 6px;
    }

    .info-card a {
      color: var(--text);
    }

    .info-card a:hover {
      color: var(--accent);
    }

    .info-side {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: linear-gradient(180deg, rgba(21, 26, 35, 0.95), rgba(17, 21, 29, 0.98));
      padding: 18px;
      display: grid;
      gap: 12px;
    }

    .side-card {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.02);
      padding: 14px;
    }

    .side-card h3 {
      margin: 0 0 6px;
      font-size: 1rem;
    }

    .side-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.6;
      font-size: 0.93rem;
    }

    .tier {
      position: relative;
      overflow: hidden;
    }

    .tier.featured {
      border-color: rgba(83, 242, 215, 0.7);
      box-shadow: 0 12px 28px rgba(83, 242, 215, 0.09);
    }

    .tier-tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--accent);
      background: rgba(83, 242, 215, 0.06);
      border: 1px solid rgba(83, 242, 215, 0.18);
      font-size: 0.82rem;
      white-space: nowrap;
    }

    .tier-price {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1;
      margin: 14px 0 10px;
      letter-spacing: 0;
    }

    .tier-price small {
      font-size: 0.9rem;
      color: var(--muted);
      font-weight: 600;
    }

    .tier ul {
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .tier li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      color: var(--soft);
      font-size: 0.94rem;
      line-height: 1.55;
    }

    .tier li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      margin-top: 8px;
      flex: 0 0 auto;
    }

    .browse-safety {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 16px;
      align-items: start;
    }

    .safety-list {
      display: grid;
      gap: 12px;
    }

    .safety-item {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px;
      align-items: start;
    }

    .safety-item .icon {
      margin-bottom: 0;
      margin-top: 2px;
    }

    .safety-item h3 {
      margin-bottom: 6px;
    }

    .safety-notes {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(21, 26, 35, 0.95);
      padding: 18px;
    }

    .safety-notes h3 {
      margin: 0 0 10px;
      font-size: 1.08rem;
    }

    .safety-notes p {
      margin: 0;
      color: var(--muted);
      line-height: 1.7;
    }

    .devices {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 16px;
      align-items: start;
    }

    .device-stack {
      display: grid;
      gap: 12px;
    }

    .device-card {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: rgba(17, 21, 29, 0.96);
      padding: 16px;
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .device-card .index {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      border-radius: 6px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.03);
      color: var(--accent-2);
      font-weight: 800;
      flex: 0 0 auto;
    }

    .device-card h3 {
      margin: 0 0 4px;
      font-size: 1rem;
    }

    .device-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.6;
      font-size: 0.94rem;
    }

    .device-side {
      border: 1px solid var(--line);
      border-radius: 6px;
      background: linear-gradient(180deg, rgba(21, 26, 35, 0.95), rgba(17, 21, 29, 0.98));
      padding: 18px;
    }

    .device-side h3 {
      margin: 0 0 12px;
      font-size: 1.08rem;
    }

    .timeline {
      display: grid;
      gap: 12px;
    }

    .timeline-row {
      display: grid;
      grid-template-columns: 86px 1fr;
      gap: 14px;
      align-items: start;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(54, 64, 79, 0.55);
    }

    .timeline-row:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .timeline-time {
      color: var(--accent);
      font-weight: 700;
      white-space: nowrap;
    }

    .timeline-row p {
      margin: 0;
      color: var(--muted);
      line-height: 1.65;
    }

    .cta-band {
      border-top: 1px solid rgba(54, 64, 79, 0.6);
      padding: 68px 0 82px;
    }

    .cta-panel {
      border: 1px solid var(--line);
      border-radius: 6px;
      background:
        linear-gradient(135deg, rgba(17, 21, 29, 0.98), rgba(21, 26, 35, 0.98)),
        #11151d;
      padding: 28px;
      display: grid;
      gap: 14px;
      align-items: start;
    }

    .cta-panel h2 {
      margin: 0;
      font-size: 1.95rem;
      line-height: 1.2;
      letter-spacing: 0;
    }

    .cta-panel p {
      margin: 0;
      color: var(--muted);
      max-width: 68ch;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 8px;
    }

    footer {
      border-top: 1px solid var(--line);
      background: #0f131a;
      padding: 28px 0 32px;
      color: var(--muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr 0.8fr;
      gap: 18px;
      align-items: start;
    }

    .footer-brand h3 {
      margin: 0 0 8px;
      color: var(--text);
      font-size: 1.05rem;
    }

    .footer-brand p {
      margin: 0;
      line-height: 1.7;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      display: inline-flex;
      width: fit-content;
      color: var(--soft);
      transition: color var(--transition), transform var(--transition);
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: var(--accent);
      transform: translateX(2px);
      outline: none;
    }

    .footer-meta {
      display: grid;
      gap: 10px;
      justify-items: start;
    }

    .footer-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--soft);
    }

    .footer-line {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid rgba(54, 64, 79, 0.55);
      color: #7e8998;
      font-size: 0.9rem;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .empty-state {
      display: none;
      border: 1px dashed var(--line-2);
      border-radius: 6px;
      padding: 16px;
      color: var(--muted);
      text-align: center;
      margin-top: 16px;
    }

    .empty-state.is-visible {
      display: block;
    }

    .filter-hidden {
      display: none !important;
    }

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

    :focus-visible {
      outline: 2px solid rgba(83, 242, 215, 0.85);
      outline-offset: 2px;
    }

    @media (max-width: 1024px) {
      .hero-title {
        font-size: 2.7rem;
      }

      .hero-bento {
        grid-template-columns: 1fr 1fr;
      }

      .hero-bento .bento-panel:first-child {
        grid-column: 1 / -1;
      }

      .split-grid,
      .info-grid,
      .browse-safety,
      .devices,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .grid-3,
      .quick-grid,
      .theme-grid {
        grid-template-columns: 1fr;
      }

      .topbar-inner {
        flex-wrap: wrap;
        padding: 10px 0;
      }

      .section-head {
        flex-direction: column;
        align-items: start;
      }
    }

    @media (max-width: 860px) {
      .nav-links {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-drawer {
        display: block;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
      }

      .nav-drawer.is-open {
        max-height: 260px;
      }

      .nav-drawer-inner {
        padding: 8px 0 18px;
        display: grid;
        gap: 8px;
      }

      .nav-drawer .nav-link {
        width: 100%;
        justify-content: space-between;
      }

      .hero-title {
        max-width: 100%;
      }

      .hero-bento {
        grid-template-columns: 1fr;
      }

      .hero-search {
        flex-direction: column;
      }

      .search-btn {
        width: 100%;
      }

      .list-row {
        grid-template-columns: 72px 1fr;
        align-items: start;
      }

      .list-flag {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(var(--container), calc(100% - 24px));
      }

      section {
        padding: 56px 0;
      }

      .hero {
        padding-top: 28px;
        padding-bottom: 42px;
      }

      .hero-title {
        font-size: 2.2rem;
      }

      .hero-text {
        font-size: 0.98rem;
      }

      .grid-4 {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 22px 18px;
      }

      .cta-panel h2 {
        font-size: 1.55rem;
      }

      .footer-line {
        flex-direction: column;
      }

      .footer-links {
        gap: 8px;
      }
    }

    @media (max-width: 520px) {
      .topbar-note {
        white-space: normal;
      }

      .brand-name {
        font-size: 0.95rem;
      }

      .brand-sub {
        font-size: 0.78rem;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn,
      .topbar-link {
        width: 100%;
        justify-content: center;
      }

      .tile,
      .tier,
      .scene,
      .safety-item,
      .info-card,
      .faq-card,
      .recommend-card,
      .bento-panel,
      .theme-card,
      .side-card,
      .cta-panel {
        padding: 16px;
      }

      .section-head h2 {
        font-size: 1.45rem;
      }

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

      .list-time {
        order: -1;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #0b0e12;
      --bg-2: #10151b;
      --panel: #131922;
      --panel-2: #171f29;
      --line: #26303b;
      --line-2: #334150;
      --text: #edf3f8;
      --muted: #96a4b2;
      --muted-2: #748190;
      --brand: #7df1ff;
      --brand-2: #ff5fb3;
      --brand-3: #ffbf66;
      --brand-4: #94b8ff;
      --good: #61d0a5;
      --shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
      --shadow-soft: 0 10px 24px rgba(0, 0, 0, 0.18);
      --radius: 6px;
      --radius-sm: 4px;
      --container: 1180px;
      --gap: 24px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
      background:
        linear-gradient(180deg, rgba(125, 241, 255, 0.04), transparent 20%),
        linear-gradient(0deg, rgba(255, 95, 179, 0.035), transparent 26%),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 58px),
        repeating-linear-gradient(0deg, rgba(255,255,255,0.02) 0 1px, transparent 1px 58px),
        var(--bg);
      color: var(--text);
      line-height: 1.7;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      min-height: 100vh;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.02), transparent 18%),
        linear-gradient(180deg, transparent 0%, transparent 96%, rgba(255,255,255,0.03) 100%);
      mix-blend-mode: screen;
      opacity: 0.55;
      z-index: -1;
    }

    ::selection {
      background: rgba(125, 241, 255, 0.28);
      color: var(--text);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button,
    input,
    select,
    textarea {
      font: inherit;
      color: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
      padding: 0;
    }

    :focus-visible {
      outline: 2px solid rgba(125, 241, 255, 0.9);
      outline-offset: 2px;
    }

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

    .topbar {
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
      background: rgba(8, 12, 16, 0.76);
      backdrop-filter: blur(12px);
    }

    .topbar-inner {
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 8px 0;
      color: var(--muted);
      font-size: 13px;
    }

    .topbar-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .topbar-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 8px;
      border: 1px solid rgba(255, 255, 255, 0.09);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.02);
      color: var(--text);
      white-space: nowrap;
    }

    .topbar-action {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border: 1px solid rgba(125, 241, 255, 0.25);
      background: rgba(125, 241, 255, 0.08);
      color: var(--text);
      border-radius: 999px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space: nowrap;
    }

    .topbar-action:hover {
      transform: translateY(-1px);
      border-color: rgba(125, 241, 255, 0.45);
      background: rgba(125, 241, 255, 0.13);
    }

    header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(10, 13, 17, 0.78);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .nav-shell {
      padding: 15px 0 14px;
    }

    .nav-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      flex-direction: column;
      gap: 3px;
      min-width: 184px;
      color: var(--text);
      letter-spacing: 0;
    }

    .brand-main {
      font-size: 16px;
      font-weight: 800;
      line-height: 1.1;
    }

    .brand-sub {
      font-size: 12px;
      color: var(--muted);
      line-height: 1.1;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: nowrap;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
      padding-bottom: 2px;
    }

    .nav-links::-webkit-scrollbar {
      display: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 14px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.02);
      color: var(--muted);
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      white-space: nowrap;
    }

    .nav-link:hover {
      transform: translateY(-1px);
      border-color: rgba(125, 241, 255, 0.28);
      background: rgba(125, 241, 255, 0.06);
      color: var(--text);
    }

    .nav-link.active {
      border-color: rgba(125, 241, 255, 0.48);
      background: rgba(125, 241, 255, 0.12);
      color: var(--text);
    }

    .hero {
      padding: 34px 0 22px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.14fr) minmax(320px, 0.86fr);
      gap: var(--gap);
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 0 10px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 999px;
      color: var(--brand);
      background: rgba(125, 241, 255, 0.06);
      font-size: 12px;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      gap: 18px;
      justify-content: center;
      padding: 18px 0;
    }

    .hero h1 {
      margin: 0;
      font-size: 39px;
      line-height: 1.08;
      letter-spacing: 0;
    }

    .hero-copy p {
      margin: 0;
      max-width: 700px;
      color: var(--muted);
      font-size: 15px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 0 14px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease, opacity .18s ease;
      white-space: nowrap;
      letter-spacing: 0;
      line-height: 1;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn-primary {
      background: linear-gradient(180deg, rgba(125, 241, 255, 0.98), rgba(125, 241, 255, 0.88));
      color: #061017;
      box-shadow: 0 10px 20px rgba(125, 241, 255, 0.15);
    }

    .btn-primary:hover {
      background: linear-gradient(180deg, rgba(125, 241, 255, 1), rgba(125, 241, 255, 0.9));
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.02);
      border-color: rgba(255, 255, 255, 0.12);
      color: var(--text);
    }

    .btn-secondary:hover {
      border-color: rgba(255, 95, 179, 0.35);
      background: rgba(255, 95, 179, 0.08);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.02);
      border-color: rgba(255, 255, 255, 0.1);
      color: var(--muted);
    }

    .btn-ghost:hover {
      color: var(--text);
      border-color: rgba(125, 241, 255, 0.3);
      background: rgba(125, 241, 255, 0.05);
    }

    .btn-mini {
      min-height: 36px;
      padding: 0 12px;
      font-size: 13px;
    }

    .btn[disabled],
    .btn.is-loading {
      opacity: .62;
      pointer-events: none;
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(255, 255, 255, 0.02);
      color: var(--muted);
      font-size: 12px;
      white-space: nowrap;
    }

    .hero-panel {
      display: grid;
      grid-template-rows: auto auto;
      gap: 14px;
    }

    .preview-card,
    .info-card,
    .filter-panel,
    .topic-card,
    .rights-card,
    .card,
    .faq-item,
    .cta-shell {
      border: 1px solid rgba(255, 255, 255, 0.09);
      background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.02));
      box-shadow: var(--shadow-soft);
    }

    .preview-card {
      position: relative;
      overflow: hidden;
      padding: 18px;
      border-radius: var(--radius);
      min-height: 282px;
      background:
        linear-gradient(135deg, rgba(125, 241, 255, 0.08), transparent 40%),
        linear-gradient(315deg, rgba(255, 95, 179, 0.1), transparent 40%),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
    }

    .preview-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 100%),
        linear-gradient(180deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 100%);
      background-size: 22px 22px;
      opacity: .42;
      pointer-events: none;
    }

    .preview-top,
    .preview-foot,
    .stats-row {
      position: relative;
      z-index: 1;
    }

    .preview-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 18px;
    }

    .preview-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.08);
      font-size: 12px;
      color: var(--text);
      white-space: nowrap;
    }

    .preview-timer {
      display: grid;
      gap: 4px;
      text-align: right;
    }

    .timer {
      font-size: 34px;
      line-height: 1;
      letter-spacing: 0;
      font-weight: 800;
    }

    .timer-sub {
      color: var(--muted);
      font-size: 12px;
    }

    .cover-stage {
      display: grid;
      grid-template-columns: 1.12fr 0.88fr;
      gap: 14px;
      align-items: stretch;
      position: relative;
      z-index: 1;
      margin-bottom: 16px;
    }

    .cover-art {
      min-height: 150px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.08);
      background:
        linear-gradient(135deg, rgba(125,241,255,0.15), rgba(255,95,179,0.12)),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
      overflow: hidden;
      position: relative;
    }

    .cover-art::before,
    .cover-art::after {
      content: "";
      position: absolute;
      inset: 14px 14px auto 14px;
      height: 1px;
      background: rgba(255,255,255,0.18);
      box-shadow: 0 22px 0 rgba(255,255,255,0.15), 0 44px 0 rgba(255,255,255,0.12), 0 66px 0 rgba(255,255,255,0.1);
    }

    .cover-art::after {
      inset: auto 14px 14px 14px;
      height: 44px;
      background:
        linear-gradient(90deg, rgba(255,255,255,0.16) 0 22%, transparent 22% 25%, rgba(255,255,255,0.12) 25% 58%, transparent 58% 62%, rgba(255,255,255,0.16) 62% 100%);
      box-shadow: none;
    }

    .cover-meta {
      display: grid;
      gap: 10px;
    }

    .cover-bloc {
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
      padding: 14px;
      display: grid;
      gap: 8px;
      min-height: 68px;
    }

    .cover-bloc strong {
      font-size: 15px;
      line-height: 1.2;
    }

    .cover-bloc span {
      color: var(--muted);
      font-size: 12px;
    }

    .progress {
      height: 8px;
      background: rgba(255,255,255,0.08);
      border-radius: 999px;
      overflow: hidden;
    }

    .progress i {
      display: block;
      width: 72%;
      height: 100%;
      background: linear-gradient(90deg, rgba(125,241,255,0.95), rgba(255,95,179,0.92));
    }

    .preview-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 2px;
      border-top: 1px dashed rgba(255,255,255,0.09);
    }

    .preview-foot .foot-copy {
      display: grid;
      gap: 4px;
    }

    .preview-foot strong {
      font-size: 14px;
    }

    .preview-foot p {
      margin: 0;
      color: var(--muted);
      font-size: 12px;
    }

    .stats-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }

    .stat {
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.03);
      padding: 12px;
      display: grid;
      gap: 6px;
    }

    .stat .value {
      font-size: 21px;
      font-weight: 800;
      line-height: 1;
    }

    .stat .label {
      font-size: 12px;
      color: var(--muted);
    }

    .section {
      padding: 22px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 16px;
    }

    .section-head .title-wrap {
      display: grid;
      gap: 6px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand-4);
      font-size: 12px;
      white-space: nowrap;
    }

    .section-title {
      margin: 0;
      font-size: 24px;
      line-height: 1.16;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      max-width: 720px;
    }

    .section-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .filters-layout {
      display: grid;
      grid-template-columns: 294px minmax(0, 1fr);
      gap: var(--gap);
      align-items: start;
    }

    .filter-panel {
      border-radius: var(--radius);
      padding: 16px;
      position: sticky;
      top: 108px;
    }

    .panel-block + .panel-block {
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .panel-title {
      margin: 0 0 10px;
      font-size: 14px;
      line-height: 1.2;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.1);
      background: rgba(255,255,255,0.02);
      color: var(--muted);
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      white-space: nowrap;
      font-size: 12px;
    }

    .chip:hover {
      transform: translateY(-1px);
      border-color: rgba(125,241,255,0.28);
      color: var(--text);
    }

    .chip.active {
      background: rgba(125,241,255,0.12);
      border-color: rgba(125,241,255,0.48);
      color: var(--text);
    }

    .chip.alt.active {
      background: rgba(255,95,179,0.12);
      border-color: rgba(255,95,179,0.42);
    }

    .search-wrap {
      position: relative;
    }

    .search-wrap input {
      width: 100%;
      min-height: 42px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(9,13,17,0.74);
      color: var(--text);
      padding: 0 14px 0 40px;
    }

    .search-wrap input::placeholder {
      color: var(--muted-2);
    }

    .search-wrap svg {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
      width: 16px;
      height: 16px;
      pointer-events: none;
    }

    .toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }

    .toolbar-actions {
      display: inline-flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .toolbar-note {
      color: var(--muted);
      font-size: 13px;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .card {
      border-radius: var(--radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      min-width: 0;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }

    .card:hover {
      transform: translateY(-3px);
      border-color: rgba(125,241,255,0.28);
      box-shadow: var(--shadow);
    }

    .card-cover {
      position: relative;
      min-height: 166px;
      overflow: hidden;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      padding: 14px;
    }

    .card-cover::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(135deg, rgba(255,255,255,0.02), rgba(255,255,255,0.08)),
        radial-gradient(circle at 80% 20%, rgba(125,241,255,0.18), transparent 34%),
        radial-gradient(circle at 15% 80%, rgba(255,95,179,0.15), transparent 32%);
      opacity: .92;
      pointer-events: none;
    }

    .card-cover::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 14px;
      height: 1px;
      background: rgba(255,255,255,0.22);
      box-shadow: 0 -26px 0 rgba(255,255,255,0.12), 0 -52px 0 rgba(255,255,255,0.08);
      pointer-events: none;
    }

    .tone-1 { background: linear-gradient(135deg, rgba(125,241,255,0.16), rgba(255,95,179,0.12)); }
    .tone-2 { background: linear-gradient(135deg, rgba(255,191,102,0.16), rgba(125,241,255,0.08)); }
    .tone-3 { background: linear-gradient(135deg, rgba(148,184,255,0.16), rgba(255,95,179,0.1)); }
    .tone-4 { background: linear-gradient(135deg, rgba(97,208,165,0.15), rgba(125,241,255,0.1)); }
    .tone-5 { background: linear-gradient(135deg, rgba(255,95,179,0.16), rgba(255,191,102,0.09)); }
    .tone-6 { background: linear-gradient(135deg, rgba(125,241,255,0.14), rgba(148,184,255,0.08)); }
    .tone-7 { background: linear-gradient(135deg, rgba(255,191,102,0.14), rgba(255,95,179,0.08)); }
    .tone-8 { background: linear-gradient(135deg, rgba(148,184,255,0.14), rgba(97,208,165,0.08)); }

    .card-badge {
      position: relative;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 26px;
      padding: 0 8px;
      border-radius: 999px;
      background: rgba(9,13,17,0.58);
      border: 1px solid rgba(255,255,255,0.12);
      font-size: 11px;
      color: var(--text);
      white-space: nowrap;
    }

    .card-figure {
      position: relative;
      z-index: 1;
      margin-top: 46px;
      display: grid;
      gap: 8px;
    }

    .card-lines {
      display: grid;
      gap: 6px;
    }

    .card-lines span {
      display: block;
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,0.12);
    }

    .card-lines span:nth-child(1) { width: 78%; }
    .card-lines span:nth-child(2) { width: 60%; }
    .card-lines span:nth-child(3) { width: 42%; }

    .card-body {
      padding: 14px;
      display: grid;
      gap: 10px;
      min-width: 0;
    }

    .card-title {
      margin: 0;
      font-size: 18px;
      line-height: 1.2;
      letter-spacing: 0;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      min-height: 24px;
      padding: 0 8px;
      border-radius: 999px;
      font-size: 11px;
      color: var(--muted);
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.02);
    }

    .card-copy {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      min-height: 54px;
    }

    .card-meta {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      flex-wrap: wrap;
      color: var(--muted-2);
      font-size: 12px;
    }

    .card-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .card-actions {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .card-actions .btn {
      min-height: 36px;
      font-size: 13px;
    }

    .pane-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .topic-card,
    .rights-card {
      border-radius: var(--radius);
      padding: 16px;
      display: grid;
      gap: 10px;
      min-width: 0;
    }

    .topic-head,
    .rights-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    .topic-name,
    .rights-name {
      margin: 0;
      font-size: 17px;
      line-height: 1.2;
    }

    .topic-value,
    .rights-value {
      color: var(--brand);
      font-size: 12px;
      white-space: nowrap;
    }

    .topic-copy,
    .rights-copy {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .bar-list {
      display: grid;
      gap: 10px;
    }

    .bar-item {
      display: grid;
      gap: 6px;
    }

    .bar-item .bar-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      font-size: 12px;
      color: var(--muted);
    }

    .bar {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, rgba(125,241,255,0.92), rgba(255,95,179,0.92));
    }

    .rights-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .rights-card.featured {
      border-color: rgba(125,241,255,0.42);
      background: linear-gradient(180deg, rgba(125,241,255,0.09), rgba(255,255,255,0.02));
    }

    .rights-badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      width: fit-content;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      color: var(--muted);
      font-size: 12px;
    }

    .rights-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 8px;
    }

    .rights-list li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
    }

    .rights-list li::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 999px;
      margin-top: 9px;
      background: var(--brand);
      flex: none;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: var(--radius);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 15px;
      font-weight: 700;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary span {
      min-width: 0;
    }

    .faq-item .faq-body {
      padding: 0 16px 16px;
      color: var(--muted);
      font-size: 13px;
    }

    .cta-band {
      padding: 8px 0 26px;
    }

    .cta-shell {
      border-radius: var(--radius);
      padding: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      background:
        linear-gradient(90deg, rgba(125,241,255,0.09), rgba(255,95,179,0.08)),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
    }

    .cta-shell h2 {
      margin: 0 0 6px;
      font-size: 22px;
      line-height: 1.18;
    }

    .cta-shell p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      max-width: 720px;
    }

    footer {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding: 26px 0 18px;
      background: rgba(7, 10, 13, 0.88);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr;
      gap: 18px;
      align-items: start;
      padding-bottom: 18px;
    }

    .footer-brand h3 {
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.2;
    }

    .footer-brand p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      max-width: 40em;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      transition: color .18s ease, transform .18s ease;
      width: fit-content;
    }

    .footer-links a:hover {
      color: var(--text);
      transform: translateX(2px);
    }

    .footer-meta {
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .footer-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .footer-line {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid rgba(255,255,255,0.08);
      color: var(--muted-2);
      font-size: 13px;
      flex-wrap: wrap;
    }

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

    @media (max-width: 1080px) {
      .hero-grid,
      .filters-layout,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .filter-panel {
        position: static;
      }

      .card-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .topbar-inner,
      .nav-row,
      .section-head,
      .cta-shell,
      .footer-line {
        align-items: flex-start;
      }

      .nav-row {
        flex-direction: column;
      }

      .nav-links {
        width: 100%;
      }

      .hero h1 {
        font-size: 32px;
      }

      .card-grid,
      .pane-grid,
      .rights-grid,
      .stats-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .cta-shell {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(var(--container), calc(100% - 22px));
      }

      .topbar-inner {
        gap: 10px;
      }

      .hero {
        padding-top: 24px;
      }

      .hero h1 {
        font-size: 28px;
      }

      .section-title {
        font-size: 20px;
      }

      .card-grid,
      .pane-grid,
      .rights-grid,
      .stats-row {
        grid-template-columns: 1fr;
      }

      .preview-top,
      .preview-foot,
      .toolbar,
      .section-head {
        flex-direction: column;
        align-items: flex-start;
      }

      .preview-timer {
        text-align: left;
      }

      .card-actions,
      .hero-actions {
        width: 100%;
      }

      .card-actions .btn,
      .hero-actions .btn,
      .topbar-action {
        width: 100%;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#0d0f14;
      --bg-2:#121520;
      --panel:#161b26;
      --panel-2:#1b2130;
      --line:#2a3242;
      --line-2:#394355;
      --text:#eef2f7;
      --muted:#9aa4b2;
      --soft:#c7d0dc;
      --accent:#46f4d4;
      --accent-2:#ff4fa3;
      --accent-3:#ffbf4d;
      --accent-4:#78a9ff;
      --danger:#ff6b6b;
      --radius:8px;
      --radius-sm:6px;
      --shadow:0 10px 30px rgba(0,0,0,.28);
      --shadow-soft:0 8px 18px rgba(0,0,0,.18);
      --container:1240px;
      --gap:24px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)),
        linear-gradient(135deg, rgba(70,244,212,.06), rgba(255,79,163,.04) 45%, rgba(120,169,255,.04) 75%),
        var(--bg);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      line-height:1.6;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
      position:relative;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
        repeating-linear-gradient(180deg, rgba(255,255,255,.02) 0, rgba(255,255,255,.02) 1px, transparent 1px, transparent 4px);
      background-size:100% 4px, 4px 100%, 100% 100%;
      opacity:.22;
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit;color:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(70,244,212,.24);color:var(--text)}

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

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .topbar{
      position:relative;
      z-index:30;
      border-bottom:1px solid var(--line);
      background:rgba(11,13,18,.88);
      backdrop-filter:blur(10px);
    }
    .topbar-inner{
      min-height:44px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-size:13px;
      color:var(--soft);
    }
    .topbar-note{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .topbar-note strong{
      color:var(--text);
      font-weight:700;
    }
    .topbar-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:25;
      background:rgba(13,15,20,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(42,50,66,.9);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      flex:0 0 auto;
    }
    .brand-mark{
      width:36px;
      height:36px;
      border:1px solid var(--line-2);
      border-radius:7px;
      background:
        linear-gradient(135deg, rgba(70,244,212,.18), rgba(255,79,163,.14)),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,0));
      display:grid;
      place-items:center;
      box-shadow:var(--shadow-soft);
      flex:0 0 auto;
    }
    .brand-mark span{
      font-size:14px;
      font-weight:800;
      letter-spacing:0;
      color:var(--text);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
    }
    .brand-text strong{
      font-size:16px;
      line-height:1.2;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text small{
      color:var(--muted);
      font-size:12px;
    }

    .nav-toggle{
      display:none;
      margin-left:auto;
      width:42px;
      height:42px;
      border:1px solid var(--line-2);
      border-radius:7px;
      background:var(--panel);
      align-items:center;
      justify-content:center;
      box-shadow:var(--shadow-soft);
    }
    .nav-toggle:focus-visible,
    .nav-link:focus-visible,
    .btn:focus-visible,
    .chip:focus-visible,
    .sort-btn:focus-visible,
    .filter-input:focus-visible,
    .faq-item summary:focus-visible,
    .footer-links a:focus-visible{
      outline:2px solid rgba(70,244,212,.8);
      outline-offset:2px;
    }

    .nav-links{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:42px;
      padding:0 14px;
      border:1px solid transparent;
      border-radius:7px;
      background:transparent;
      color:var(--soft);
      transition:transform .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease, box-shadow .18s ease;
    }
    .nav-link:hover{
      transform:translateY(-1px);
      border-color:var(--line-2);
      background:rgba(255,255,255,.03);
      color:var(--text);
      box-shadow:var(--shadow-soft);
    }
    .nav-link.active{
      color:var(--bg);
      background:linear-gradient(135deg, var(--accent), #95ffef);
      border-color:transparent;
      box-shadow:0 10px 22px rgba(70,244,212,.2);
    }

    .hero{
      position:relative;
      padding:34px 0 26px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);
      gap:24px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-visual,
    .section-panel,
    .cta-panel,
    .faq-panel,
    .rail-card,
    .related-card,
    .card,
    .footer{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)), var(--panel);
      box-shadow:var(--shadow-soft);
    }
    .hero-copy{
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:420px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:fit-content;
      padding:6px 10px;
      border:1px solid rgba(70,244,212,.24);
      border-radius:999px;
      background:rgba(70,244,212,.08);
      color:#9dfff0;
      font-size:13px;
      margin-bottom:16px;
    }
    .hero h1{
      margin:0;
      font-size:52px;
      line-height:1.08;
      letter-spacing:0;
      max-width:11ch;
    }
    .hero p{
      margin:16px 0 0;
      color:var(--soft);
      font-size:16px;
      max-width:58ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:22px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 16px;
      border-radius:7px;
      border:1px solid transparent;
      transition:transform .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease, box-shadow .18s ease;
      white-space:nowrap;
    }
    .btn:hover{
      transform:translateY(-1px);
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent), #93fff1);
      color:#071013;
      box-shadow:0 14px 24px rgba(70,244,212,.18);
    }
    .btn-primary:hover{
      box-shadow:0 18px 26px rgba(70,244,212,.24);
    }
    .btn-secondary{
      border-color:var(--line-2);
      background:rgba(255,255,255,.02);
      color:var(--text);
    }
    .btn-secondary:hover{
      border-color:rgba(70,244,212,.45);
      background:rgba(70,244,212,.06);
    }
    .btn-ghost{
      border-color:transparent;
      background:transparent;
      color:var(--soft);
    }
    .btn-ghost:hover{
      background:rgba(255,255,255,.03);
      color:var(--text);
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .stat{
      padding:14px 14px 13px;
      border:1px solid var(--line);
      border-radius:7px;
      background:var(--bg-2);
    }
    .stat strong{
      display:block;
      font-size:18px;
      line-height:1.1;
    }
    .stat span{
      display:block;
      margin-top:5px;
      font-size:12px;
      color:var(--muted);
    }

    .hero-visual{
      padding:20px;
      display:flex;
      flex-direction:column;
      gap:14px;
      min-height:420px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)),
        linear-gradient(135deg, rgba(120,169,255,.07), rgba(255,79,163,.05) 54%, rgba(70,244,212,.06)),
        var(--panel);
    }
    .visual-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .visual-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:var(--soft);
      font-size:12px;
    }
    .signal-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .signal-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px;
      border:1px solid var(--line);
      border-radius:7px;
      background:rgba(10,13,18,.55);
    }
    .signal-item .icon-box{
      width:30px;
      height:30px;
      border-radius:6px;
      border:1px solid rgba(70,244,212,.18);
      background:rgba(70,244,212,.08);
      display:grid;
      place-items:center;
      color:#90fff0;
      flex:0 0 auto;
    }
    .signal-item strong{
      display:block;
      font-size:14px;
      margin-bottom:4px;
    }
    .signal-item span{
      color:var(--muted);
      font-size:13px;
    }
    .tag-wall{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
    }
    .tag-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:34px;
      padding:0 12px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      color:var(--soft);
      font-size:12px;
      transition:transform .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease;
    }
    .tag-pill:hover{
      transform:translateY(-1px);
      border-color:rgba(70,244,212,.34);
      background:rgba(70,244,212,.07);
      color:var(--text);
    }
    .hero-strip{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .strip-item{
      padding:14px 16px;
      border:1px solid var(--line);
      border-radius:7px;
      background:rgba(255,255,255,.02);
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--soft);
      font-size:13px;
    }
    .strip-item strong{
      color:var(--text);
      font-size:14px;
    }

    .section{
      padding:18px 0 12px;
    }
    .section-panel{
      padding:24px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:28px;
      line-height:1.15;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      max-width:60ch;
    }

    .toolbar{
      display:grid;
      gap:14px;
      margin-bottom:18px;
    }
    .toolbar-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .toolbar-search{
      display:flex;
      align-items:center;
      gap:10px;
      flex:1 1 340px;
      min-width:280px;
    }
    .filter-input{
      width:100%;
      min-height:44px;
      padding:0 14px;
      border-radius:7px;
      border:1px solid var(--line-2);
      background:var(--bg-2);
      color:var(--text);
      outline:none;
      transition:border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
    }
    .filter-input::placeholder{color:#738091}
    .filter-input:focus{
      border-color:rgba(70,244,212,.55);
      box-shadow:0 0 0 3px rgba(70,244,212,.12);
      background:#121722;
    }
    .toolbar-meta{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      flex-wrap:wrap;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      min-height:38px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line-2);
      background:rgba(255,255,255,.02);
      color:var(--soft);
      transition:transform .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease;
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(255,191,77,.45);
      color:var(--text);
      background:rgba(255,191,77,.06);
    }
    .chip.active{
      border-color:transparent;
      background:linear-gradient(135deg, rgba(70,244,212,.96), rgba(149,255,239,.88));
      color:#061114;
    }
    .sort-row{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:4px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.02);
    }
    .sort-btn{
      min-height:34px;
      padding:0 12px;
      border:0;
      border-radius:999px;
      background:transparent;
      color:var(--muted);
      transition:background-color .18s ease, color .18s ease, transform .18s ease;
    }
    .sort-btn:hover{
      color:var(--text);
      transform:translateY(-1px);
    }
    .sort-btn.active{
      background:rgba(70,244,212,.12);
      color:#9effef;
    }

    .catalog-layout{
      display:grid;
      grid-template-columns:minmax(0,1.6fr) minmax(290px,.9fr);
      gap:18px;
      align-items:start;
    }
    .catalog-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .card{
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
      transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease, opacity .18s ease;
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(70,244,212,.34);
      box-shadow:0 16px 28px rgba(0,0,0,.26);
    }
    .card.hide{
      display:none;
    }
    .card-cover{
      position:relative;
      aspect-ratio:16/10;
      border-bottom:1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(70,244,212,.22), rgba(255,79,163,.15) 45%, rgba(120,169,255,.16)),
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
      overflow:hidden;
    }
    .card-cover::before{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:6px;
      background:
        radial-gradient(circle at 18% 20%, rgba(255,255,255,.14), transparent 18%),
        radial-gradient(circle at 76% 28%, rgba(255,255,255,.10), transparent 15%),
        linear-gradient(180deg, rgba(13,15,20,.06), rgba(13,15,20,.26));
    }
    .card-cover::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:42%;
      background:linear-gradient(180deg, rgba(13,15,20,0), rgba(13,15,20,.5));
    }
    .card-ribbon{
      position:absolute;
      left:14px;
      top:14px;
      z-index:1;
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(8,10,14,.48);
      color:var(--text);
      font-size:12px;
      backdrop-filter:blur(6px);
    }
    .card-stamp{
      position:absolute;
      right:14px;
      bottom:12px;
      z-index:1;
      display:flex;
      align-items:center;
      gap:8px;
      color:#fff;
      font-size:12px;
    }
    .card-stamp strong{
      padding:5px 8px;
      border-radius:6px;
      background:rgba(8,10,14,.7);
      border:1px solid rgba(255,255,255,.12);
    }
    .card-body{
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:12px;
      flex:1 1 auto;
    }
    .card-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
    }
    .card h3{
      margin:0;
      font-size:18px;
      line-height:1.25;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .mini-tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--soft);
      font-size:12px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .card-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:auto;
      padding-top:4px;
    }
    .card-score{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--soft);
      font-size:12px;
      min-width:0;
    }
    .score-bar{
      width:84px;
      height:6px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      flex:0 0 auto;
    }
    .score-bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), var(--accent-4));
    }
    .card-actions{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .card-btn{
      min-height:34px;
      padding:0 11px;
      border-radius:6px;
      border:1px solid var(--line-2);
      background:rgba(255,255,255,.02);
      color:var(--text);
      display:inline-flex;
      align-items:center;
      gap:6px;
      transition:transform .18s ease, border-color .18s ease, background-color .18s ease;
    }
    .card-btn:hover{
      transform:translateY(-1px);
      border-color:rgba(70,244,212,.45);
      background:rgba(70,244,212,.06);
    }

    .rail{
      position:sticky;
      top:122px;
      display:grid;
      gap:14px;
    }
    .rail-card{
      padding:18px;
    }
    .rail-card h3{
      margin:0 0 12px;
      font-size:18px;
      line-height:1.2;
    }
    .rail-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .rail-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 0;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .rail-list li:first-child{border-top:0;padding-top:0}
    .rail-list strong{
      display:block;
      font-size:14px;
      margin-bottom:3px;
    }
    .rail-list span{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .rail-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .rail-note{
      color:var(--muted);
      font-size:13px;
      margin:0;
    }

    .related-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .related-card{
      padding:18px;
      min-height:168px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
    }
    .related-card strong{
      font-size:18px;
      line-height:1.2;
    }
    .related-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .related-card .btn{
      align-self:flex-start;
    }

    .faq-panel{
      padding:24px;
    }
    .faq-grid{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:7px;
      background:rgba(255,255,255,.02);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:16px 18px;
      cursor:pointer;
      font-weight:600;
      outline:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary span{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .faq-item p{
      margin:0;
      padding:0 18px 16px;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }

    .cta-band{
      padding:14px 0 28px;
    }
    .cta-panel{
      padding:24px;
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);
      gap:18px;
      align-items:center;
      background:
        linear-gradient(135deg, rgba(70,244,212,.08), rgba(255,79,163,.08) 48%, rgba(120,169,255,.07)),
        var(--panel);
    }
    .cta-panel h2{
      margin:0 0 10px;
      font-size:28px;
      line-height:1.15;
    }
    .cta-panel p{
      margin:0;
      color:var(--soft);
      font-size:14px;
      line-height:1.8;
      max-width:62ch;
    }
    .cta-form{
      display:grid;
      gap:10px;
    }
    .cta-form-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .cta-form .filter-input{
      flex:1 1 220px;
      min-width:220px;
    }

    footer{
      border-top:1px solid var(--line);
      background:rgba(10,12,17,.96);
      position:relative;
      z-index:1;
    }
    .footer{
      margin:0;
      padding:24px;
      border:0;
      border-radius:0;
      background:transparent;
      box-shadow:none;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr 1fr 1fr;
      gap:18px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-brand h3{
      margin:0 0 10px;
      font-size:20px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      max-width:42ch;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      align-content:flex-start;
      gap:10px 12px;
    }
    .footer-links a{
      color:var(--soft);
      font-size:13px;
      padding:4px 0;
      transition:color .18s ease, transform .18s ease;
    }
    .footer-links a:hover{
      color:var(--accent);
      transform:translateX(2px);
    }
    .footer-meta{
      display:grid;
      gap:10px;
      align-content:flex-start;
    }
    .footer-meta span{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--soft);
      font-size:13px;
    }
    .footer-line{
      padding-top:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:13px;
      flex-wrap:wrap;
    }

    .hidden-mobile{
      display:block;
    }

    @media (max-width: 1120px){
      .catalog-layout{
        grid-template-columns:1fr;
      }
      .rail{
        position:static;
      }
      .hero-grid,
      .cta-panel,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .hero h1{
        max-width:14ch;
      }
      .catalog-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
    }

    @media (max-width: 920px){
      .nav-toggle{
        display:inline-flex;
      }
      .nav-links{
        display:none;
        position:absolute;
        left:20px;
        right:20px;
        top:100%;
        margin:10px auto 0;
        padding:12px;
        border:1px solid var(--line);
        border-radius:var(--radius);
        background:rgba(17,20,28,.98);
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-links.is-open{
        display:flex;
      }
      .nav-link{
        width:100%;
        justify-content:flex-start;
      }
      .hero h1{
        font-size:42px;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .related-grid{
        grid-template-columns:1fr;
      }
    }

    @media (max-width: 720px){
      .container{
        width:min(var(--container), calc(100% - 28px));
      }
      .topbar-inner{
        min-height:auto;
        padding:10px 0;
        flex-direction:column;
        align-items:flex-start;
      }
      .header-inner{
        min-height:68px;
      }
      .hero{
        padding-top:22px;
      }
      .hero-copy,
      .hero-visual,
      .section-panel,
      .faq-panel,
      .cta-panel,
      .rail-card,
      .related-card,
      .card-body{
        padding:18px;
      }
      .hero-grid{
        gap:16px;
      }
      .hero h1{
        font-size:34px;
      }
      .hero-stats,
      .hero-strip,
      .catalog-grid{
        grid-template-columns:1fr;
      }
      .toolbar-top{
        align-items:stretch;
      }
      .toolbar-search{
        min-width:0;
        flex-basis:100%;
      }
      .sort-row{
        width:100%;
        justify-content:space-between;
      }
      .cta-form-row{
        flex-direction:column;
      }
      .cta-form .filter-input{
        min-width:0;
      }
      .footer-line{
        flex-direction:column;
        align-items:flex-start;
      }
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *, *::before, *::after{
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
      }
    }

    .is-hidden{
      display:none !important;
    }