/* roulang page: index */
:root {
      --bg: #07070a;
      --panel: #111118;
      --panel-2: #171721;
      --text: #f8fafc;
      --muted: #a7adbb;
      --line: rgba(255,255,255,.14);
      --primary: #00f0ff;
      --primary-2: #ff2bd6;
      --accent: #f8ff3d;
      --warn: #ff7a1a;
      --green: #27f59a;
      --radius: 8px;
      --shadow: 0 18px 50px rgba(0,0,0,.35);
      --container: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background:
        linear-gradient(115deg, rgba(0,240,255,.14), transparent 28%),
        linear-gradient(245deg, rgba(255,43,214,.16), transparent 30%),
        radial-gradient(circle at 50% 0%, rgba(248,255,61,.08), transparent 28%),
        var(--bg);
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img, svg { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button { cursor: pointer; border: 0; }
    .container {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
    }
    .top-strip {
      background: linear-gradient(90deg, var(--accent), var(--primary), var(--primary-2));
      color: #08080b;
      font-weight: 900;
      letter-spacing: 0;
      border-bottom: 1px solid rgba(255,255,255,.18);
    }
    .top-strip .container {
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 14px;
    }
    .count-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 10px;
      background: rgba(0,0,0,.18);
      border-radius: 999px;
      white-space: nowrap;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(7,7,10,.86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }
    .nav {
      min-height: 76px;
      display: grid;
      grid-template-columns: 260px 1fr auto;
      align-items: center;
      gap: 18px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 950;
      letter-spacing: 0;
      line-height: 1.1;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary), var(--accent) 48%, var(--primary-2));
      box-shadow: 0 0 24px rgba(0,240,255,.22);
      position: relative;
      flex: 0 0 auto;
    }
    .brand-mark:after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid #08080b;
      transform: skew(-12deg);
    }
    .brand span {
      font-size: 16px;
      max-width: 190px;
    }
    .search-wrap {
      position: relative;
      display: flex;
      align-items: center;
      background: #0e0e14;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 999px;
      min-height: 48px;
      transition: .2s ease;
      box-shadow: inset 0 0 0 1px rgba(0,240,255,.04);
    }
    .search-wrap:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(0,240,255,.12);
    }
    .search-icon {
      width: 20px;
      height: 20px;
      margin-left: 18px;
      color: var(--primary);
    }
    .search-input {
      width: 100%;
      background: transparent;
      color: var(--text);
      border: 0;
      outline: 0;
      padding: 0 18px 0 10px;
      min-width: 0;
    }
    .search-input::placeholder { color: #747b8d; }
    .key-hint {
      margin-right: 10px;
      padding: 4px 9px;
      border-radius: 6px;
      color: var(--muted);
      background: rgba(255,255,255,.06);
      font-size: 12px;
      white-space: nowrap;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }
    .nav-link {
      padding: 10px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 750;
      border: 1px solid transparent;
      transition: .2s ease;
    }
    .nav-link:hover,
    .nav-link.active {
      color: var(--text);
      border-color: rgba(0,240,255,.35);
      background: rgba(0,240,255,.09);
      transform: translateY(-1px);
    }
    main { overflow: hidden; }
    section { padding: 72px 0; position: relative; }
    .hero {
      padding: 58px 0 76px;
      border-bottom: 1px solid var(--line);
    }
    .campaign-stage {
      display: grid;
      grid-template-columns: 1fr;
      gap: 22px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: var(--radius);
      background:
        linear-gradient(90deg, rgba(0,240,255,.16), transparent 36%),
        linear-gradient(135deg, rgba(255,43,214,.18), rgba(17,17,24,.92) 52%, rgba(248,255,61,.12));
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .score-line {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 12px;
      min-height: 54px;
      padding: 0 22px;
      border-bottom: 1px solid var(--line);
      background: rgba(0,0,0,.28);
      font-weight: 900;
    }
    .score-line b { color: var(--accent); }
    .score-center {
      padding: 6px 14px;
      border-radius: 999px;
      background: #08080b;
      border: 1px solid rgba(248,255,61,.4);
      color: var(--accent);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      padding: 24px;
      align-items: stretch;
    }
    .hero-copy {
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-height: 410px;
    }
    .eyebrow, .badge {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      gap: 8px;
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.06);
      color: var(--accent);
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 850;
    }
    h1 {
      margin: 18px 0 18px;
      font-size: clamp(34px, 6.4vw, 72px);
      line-height: .98;
      letter-spacing: 0;
      font-weight: 1000;
      max-width: 920px;
    }
    .hero-copy p {
      color: #d8dce7;
      font-size: 18px;
      max-width: 760px;
      margin: 0 0 24px;
    }
    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.18);
      font-weight: 900;
      transition: .2s ease;
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--accent), var(--primary));
      color: #08080b;
      box-shadow: 0 12px 28px rgba(0,240,255,.18);
    }
    .btn-secondary {
      background: rgba(255,255,255,.06);
      color: var(--text);
    }
    .btn-hot {
      background: linear-gradient(135deg, var(--primary-2), var(--warn));
      color: #fff;
    }
    .btn:hover {
      transform: translateY(-2px);
      filter: brightness(1.08);
      border-color: rgba(255,255,255,.34);
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .faq-item summary:focus-visible,
    .resource-action:focus-visible {
      outline: 3px solid rgba(0,240,255,.35);
      outline-offset: 3px;
    }
    .trust-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 24px;
    }
    .trust-item {
      border: 1px solid rgba(255,255,255,.13);
      background: rgba(0,0,0,.24);
      padding: 12px;
      border-radius: 8px;
    }
    .trust-item strong {
      display: block;
      font-size: 22px;
      color: var(--primary);
      line-height: 1.1;
    }
    .trust-item span { color: var(--muted); font-size: 13px; }
    .hero-panel {
      padding: 16px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      grid-template-rows: 1fr 1fr;
      gap: 12px;
      min-height: 410px;
    }
    .matrix-card {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(8,8,11,.72);
      border-radius: 8px;
      padding: 18px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: .2s ease;
    }
    .matrix-card:hover {
      transform: translateY(-3px);
      border-color: rgba(0,240,255,.42);
    }
    .matrix-card.wide { grid-column: span 2; }
    .matrix-card:before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(0,240,255,.18), transparent 45%, rgba(255,43,214,.16));
      opacity: .75;
      pointer-events: none;
    }
    .matrix-card > * { position: relative; z-index: 1; }
    .matrix-card h3 { margin: 0 0 8px; font-size: 20px; font-weight: 950; }
    .matrix-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .signal {
      width: 100%;
      height: 9px;
      display: grid;
      grid-template-columns: 1.4fr .7fr 1fr .45fr;
      gap: 6px;
      margin-top: 18px;
    }
    .signal i {
      display: block;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 16px rgba(0,240,255,.35);
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 22px;
      margin-bottom: 24px;
    }
    .section-head h2 {
      margin: 0;
      font-size: clamp(26px, 3.4vw, 44px);
      line-height: 1.08;
      font-weight: 1000;
      letter-spacing: 0;
    }
    .section-head p {
      margin: 0;
      color: var(--muted);
      max-width: 620px;
    }
    .play-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 18px;
    }
    .rules-panel,
    .dark-card {
      border: 1px solid rgba(255,255,255,.14);
      background: var(--panel);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .rules-panel { padding: 24px; }
    .rules-panel h3 { font-size: 28px; line-height: 1.12; margin: 0 0 14px; font-weight: 1000; }
    .rules-panel p { color: var(--muted); margin: 0 0 18px; }
    .step-list {
      display: grid;
      gap: 12px;
      counter-reset: step;
    }
    .step-item {
      counter-increment: step;
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 8px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.1);
    }
    .step-item:before {
      content: counter(step, decimal-leading-zero);
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      background: var(--accent);
      color: #07070a;
      border-radius: 8px;
      font-weight: 1000;
    }
    .step-item strong { display: block; margin-bottom: 2px; }
    .step-item span { color: var(--muted); font-size: 14px; }
    .tag-wall {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .tag-card {
      min-height: 126px;
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.14);
      background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
      transition: .2s ease;
    }
    .tag-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255,43,214,.44);
    }
    .tag-card b { display: block; margin-bottom: 8px; color: var(--accent); }
    .tag-card p { color: var(--muted); margin: 0; font-size: 14px; }
    .deal-list {
      display: grid;
      gap: 12px;
    }
    .deal-item {
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.13);
      background: rgba(255,255,255,.045);
      transition: .2s ease;
    }
    .deal-item:hover {
      transform: translateX(4px);
      border-color: rgba(0,240,255,.4);
      background: rgba(0,240,255,.07);
    }
    .deal-title strong { display: block; font-size: 17px; }
    .deal-title span { color: var(--muted); font-size: 14px; }
    .status {
      padding: 5px 9px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 900;
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(39,245,154,.1);
      color: var(--green);
    }
    .resource-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 12px;
      border-radius: 8px;
      border: 1px solid rgba(248,255,61,.38);
      color: var(--accent);
      font-weight: 900;
      transition: .2s ease;
    }
    .resource-action:hover {
      background: rgba(248,255,61,.12);
      transform: translateY(-1px);
    }
    .feature-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .feature-mini {
      padding: 16px;
      min-height: 140px;
      border: 1px solid rgba(255,255,255,.13);
      background: rgba(17,17,24,.9);
      border-radius: 8px;
    }
    .feature-mini em {
      display: inline-flex;
      width: 32px;
      height: 32px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: rgba(0,240,255,.14);
      color: var(--primary);
      font-style: normal;
      font-weight: 1000;
      margin-bottom: 12px;
    }
    .feature-mini h3 { margin: 0 0 6px; font-size: 17px; font-weight: 950; }
    .feature-mini p { margin: 0; color: var(--muted); font-size: 14px; }
    .screenshot-stage {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
      align-items: stretch;
    }
    .screen-main {
      min-height: 420px;
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 8px;
      background: #0e0e14;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .screen-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 48px;
      padding: 0 16px;
      border-bottom: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.05);
    }
    .dots { display: flex; gap: 7px; }
    .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--primary-2); }
    .dots i:nth-child(2) { background: var(--accent); }
    .dots i:nth-child(3) { background: var(--primary); }
    .screen-body { padding: 18px; }
    .query-bar {
      min-height: 50px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      border-radius: 8px;
      padding: 0 14px;
      background: rgba(0,240,255,.1);
      border: 1px solid rgba(0,240,255,.28);
      color: #dffcff;
      margin-bottom: 14px;
    }
    .preview-row {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .preview-thumb {
      height: 68px;
      border-radius: 8px;
      background:
        linear-gradient(135deg, rgba(0,240,255,.32), rgba(255,43,214,.28)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.1) 0 8px, transparent 8px 16px);
      border: 1px solid rgba(255,255,255,.14);
    }
    .preview-row strong { display: block; }
    .preview-row span { color: var(--muted); font-size: 14px; }
    .side-panels {
      display: grid;
      gap: 12px;
    }
    .metric-card {
      padding: 18px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.14);
      background: linear-gradient(145deg, rgba(255,43,214,.12), rgba(0,240,255,.06));
    }
    .metric-card strong {
      display: block;
      color: var(--accent);
      font-size: 34px;
      line-height: 1;
      font-weight: 1000;
      margin-bottom: 8px;
    }
    .metric-card span { color: var(--muted); }
    .spec-table {
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 8px;
      overflow: hidden;
      background: rgba(17,17,24,.88);
    }
    .spec-row {
      display: grid;
      grid-template-columns: 220px 1fr;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .spec-row:last-child { border-bottom: 0; }
    .spec-row div { padding: 16px; }
    .spec-row div:first-child {
      color: var(--accent);
      font-weight: 900;
      background: rgba(255,255,255,.045);
    }
    .spec-row div:last-child { color: #d8dce7; }
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .review-card {
      border-radius: 8px;
      padding: 18px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.13);
    }
    .review-card p { margin: 0 0 14px; color: #d9deea; }
    .review-card strong { color: var(--primary); }
    .news-layout {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }
    .news-list,
    .recommend-box {
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(17,17,24,.9);
      border-radius: 8px;
      overflow: hidden;
    }
    .news-item {
      display: grid;
      grid-template-columns: 104px 1fr;
      gap: 16px;
      padding: 18px;
      border-bottom: 1px solid rgba(255,255,255,.1);
      transition: .2s ease;
    }
    .news-item:last-child { border-bottom: 0; }
    .news-item:hover { background: rgba(0,240,255,.06); }
    .news-date {
      color: #08080b;
      background: var(--accent);
      border-radius: 8px;
      display: grid;
      place-items: center;
      min-height: 74px;
      font-weight: 1000;
      text-align: center;
      line-height: 1.15;
      padding: 8px;
    }
    .news-item h3 { margin: 0 0 4px; font-size: 18px; font-weight: 950; }
    .news-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .recommend-box { padding: 20px; }
    .recommend-box h3 { margin: 0 0 14px; font-size: 22px; font-weight: 1000; }
    .quick-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }
    .quick-tags a,
    .quick-tags span {
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.12);
      color: #d8dce7;
      font-weight: 800;
      font-size: 13px;
      transition: .2s ease;
    }
    .quick-tags a:hover {
      color: var(--accent);
      border-color: rgba(248,255,61,.42);
    }
    .shield-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .shield-card {
      padding: 18px;
      border-radius: 8px;
      background: rgba(17,17,24,.92);
      border: 1px solid rgba(255,255,255,.13);
    }
    .shield-card .icon {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: rgba(39,245,154,.12);
      color: var(--green);
      margin-bottom: 12px;
    }
    .shield-card h3 { margin: 0 0 7px; font-size: 17px; font-weight: 950; }
    .shield-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .download-panel {
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(90deg, rgba(248,255,61,.16), transparent 30%),
        linear-gradient(135deg, rgba(0,240,255,.16), rgba(255,43,214,.14));
      padding: 28px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 20px;
      align-items: center;
      box-shadow: var(--shadow);
    }
    .download-panel h2 { margin: 0 0 8px; font-size: clamp(26px, 4vw, 48px); line-height: 1.08; font-weight: 1000; }
    .download-panel p { margin: 0; color: #dce2ee; max-width: 720px; }
    .download-buttons {
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
      min-width: 220px;
    }
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .faq-item {
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(17,17,24,.92);
      border-radius: 8px;
      overflow: hidden;
    }
    .faq-item summary {
      list-style: none;
      padding: 18px;
      font-weight: 950;
      cursor: pointer;
      color: var(--text);
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--muted);
    }
    .site-footer {
      padding: 42px 0 30px;
      border-top: 1px solid var(--line);
      background: #08080b;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 26px;
      align-items: start;
    }
    .footer-brand {
      font-size: 20px;
      font-weight: 1000;
      margin-bottom: 10px;
    }
    .footer-note {
      color: var(--muted);
      margin: 0;
      max-width: 760px;
      font-size: 14px;
    }
    .footer-links {
      display: flex;
      justify-content: flex-end;
      flex-wrap: wrap;
      gap: 10px;
    }
    .footer-links a {
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.12);
      padding: 8px 10px;
      border-radius: 999px;
      transition: .2s ease;
    }
    .footer-links a:hover {
      color: var(--primary);
      border-color: rgba(0,240,255,.35);
    }
    .copyright {
      margin-top: 24px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.1);
      color: #777e8f;
      font-size: 13px;
    }
    @media (max-width: 1024px) {
      .nav {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 14px 0;
      }
      .nav-links {
        overflow-x: auto;
        padding-bottom: 4px;
      }
      .hero-grid,
      .play-grid,
      .screenshot-stage,
      .news-layout,
      .download-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .feature-strip,
      .shield-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .download-buttons {
        grid-template-columns: repeat(3, 1fr);
        min-width: 0;
      }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 768px) {
      section { padding: 54px 0; }
      .top-strip .container {
        flex-direction: column;
        align-items: flex-start;
        padding: 9px 0;
        gap: 6px;
      }
      .score-line {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 12px;
      }
      .hero-grid { padding: 14px; }
      .hero-copy { padding: 14px; min-height: auto; }
      .hero-panel {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        min-height: auto;
      }
      .matrix-card.wide { grid-column: auto; }
      .trust-row,
      .review-grid,
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .tag-wall,
      .feature-strip,
      .shield-grid {
        grid-template-columns: 1fr;
      }
      .deal-item {
        grid-template-columns: 1fr;
        align-items: start;
      }
      .section-head {
        align-items: start;
        flex-direction: column;
      }
      .preview-row {
        grid-template-columns: 86px 1fr;
      }
      .preview-row .resource-action { grid-column: 1 / -1; }
      .spec-row {
        grid-template-columns: 1fr;
      }
      .download-buttons {
        grid-template-columns: 1fr;
      }
      .btn {
        width: 100%;
      }
      .key-hint { display: none; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 22px, var(--container)); }
      .brand span { font-size: 15px; }
      .search-wrap { min-height: 46px; }
      .news-item { grid-template-columns: 1fr; }
      .news-date { min-height: 48px; place-items: center start; }
      h1 { font-size: clamp(32px, 13vw, 54px); }
      .hero-copy p { font-size: 16px; }
    }

/* roulang page: category1 */
:root {
      --bg: #08080d;
      --bg-soft: #11111b;
      --panel: #171724;
      --panel-2: #202033;
      --text: #f7f7fb;
      --muted: #aaaac0;
      --line: rgba(255,255,255,.13);
      --hot: #ff2e73;
      --lime: #b8ff3d;
      --cyan: #24e7ff;
      --amber: #ffb02e;
      --violet: #7c4dff;
      --shadow: 0 18px 50px rgba(0,0,0,.32);
      --radius: 8px;
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(255,46,115,.23), transparent 30%),
        radial-gradient(circle at 86% 8%, rgba(36,231,255,.18), transparent 28%),
        linear-gradient(180deg, #08080d 0%, #101018 45%, #09090f 100%);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

    button, input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      background: var(--lime);
      color: #111;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--line);
      background: rgba(8,8,13,.88);
      backdrop-filter: blur(16px);
    }

    .nav {
      min-height: 78px;
      display: grid;
      grid-template-columns: 250px minmax(280px, 1fr) auto;
      align-items: center;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: 0;
      color: var(--text);
    }

    .brand span:last-child {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      border-radius: 7px;
      background:
        linear-gradient(135deg, var(--hot), var(--amber) 48%, var(--lime) 49%, var(--cyan));
      box-shadow: 0 0 0 4px rgba(255,255,255,.06), 0 12px 26px rgba(255,46,115,.28);
      position: relative;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px 6px;
      border-top: 3px solid #101018;
      border-bottom: 3px solid #101018;
      transform: skewX(-18deg);
    }

    .search-wrap {
      height: 48px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 12px 0 16px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      background: rgba(255,255,255,.07);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .search-wrap:focus-within {
      border-color: var(--cyan);
      background: rgba(36,231,255,.08);
      box-shadow: 0 0 0 4px rgba(36,231,255,.12);
    }

    .search-icon {
      width: 22px;
      height: 22px;
      color: var(--cyan);
      flex: 0 0 auto;
    }

    .search-input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
    }

    .search-input::placeholder {
      color: rgba(247,247,251,.56);
    }

    .key-hint {
      flex: 0 0 auto;
      padding: 3px 8px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 6px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.2;
      background: rgba(0,0,0,.22);
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      white-space: nowrap;
    }

    .nav-link {
      padding: 10px 13px;
      border: 1px solid transparent;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      transition: transform .18s ease, color .18s ease, background .18s ease, border-color .18s ease;
    }

    .nav-link:hover {
      transform: translateY(-1px);
      color: var(--text);
      border-color: rgba(255,255,255,.16);
      background: rgba(255,255,255,.07);
    }

    .nav-link.active {
      color: #111;
      background: var(--lime);
      border-color: var(--lime);
      font-weight: 800;
    }

    .top-strip {
      border-bottom: 1px solid rgba(255,255,255,.12);
      background: linear-gradient(90deg, var(--hot), var(--amber) 42%, var(--lime));
      color: #111;
      font-weight: 900;
    }

    .strip-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 14px;
    }

    .strip-pill {
      padding: 4px 9px;
      border-radius: 999px;
      background: rgba(0,0,0,.16);
      color: #111;
    }

    .section {
      padding: 72px 0;
    }

    .category-hero {
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(255,46,115,.2), transparent 36%),
        linear-gradient(90deg, rgba(184,255,61,.11), transparent 48%),
        #0c0c14;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      opacity: .25;
      background-image:
        linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 54px 54px;
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 34px;
      align-items: stretch;
      padding: 72px 0 58px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 7px 10px;
      border: 1px solid rgba(184,255,61,.42);
      border-radius: 999px;
      color: var(--lime);
      font-size: 13px;
      font-weight: 800;
      background: rgba(184,255,61,.08);
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--lime);
      box-shadow: 0 0 0 7px rgba(184,255,61,.13);
    }

    h1 {
      margin: 0;
      max-width: 780px;
      font-size: clamp(36px, 6vw, 78px);
      line-height: .98;
      letter-spacing: 0;
      font-weight: 950;
    }

    .hero-copy {
      max-width: 720px;
      margin: 20px 0 0;
      color: rgba(247,247,251,.76);
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 0 18px;
      border: 1px solid transparent;
      border-radius: 7px;
      font-weight: 900;
      transition: transform .18s ease, filter .18s ease, border-color .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
      filter: brightness(1.04);
    }

    .btn:focus-visible,
    .tag-button:focus-visible,
    .faq-toggle:focus-visible,
    .sort-button:focus-visible {
      outline: 3px solid rgba(36,231,255,.35);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #101018;
      background: var(--lime);
      box-shadow: 0 14px 30px rgba(184,255,61,.22);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(255,255,255,.2);
      background: rgba(255,255,255,.08);
    }

    .btn-hot {
      color: #fff;
      border-color: rgba(255,46,115,.4);
      background: rgba(255,46,115,.18);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 34px;
    }

    .metric {
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.06);
    }

    .metric strong {
      display: block;
      color: var(--text);
      font-size: 24px;
      line-height: 1;
    }

    .metric span {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 13px;
    }

    .demo-board {
      border: 1px solid rgba(255,255,255,.16);
      border-radius: var(--radius);
      background: #13131e;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .board-head {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-bottom: 1px solid var(--line);
      background: linear-gradient(90deg, rgba(255,46,115,.18), rgba(36,231,255,.08));
    }

    .board-title {
      font-weight: 950;
    }

    .status-live {
      padding: 5px 9px;
      border-radius: 999px;
      color: #111;
      background: var(--lime);
      font-size: 12px;
      font-weight: 950;
    }

    .score-grid {
      display: grid;
      grid-template-columns: 1fr 86px 1fr;
      align-items: center;
      gap: 12px;
      padding: 18px;
      border-bottom: 1px solid var(--line);
    }

    .score-cell {
      min-height: 112px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: rgba(255,255,255,.055);
    }

    .score-cell b {
      display: block;
      font-size: 34px;
      line-height: 1;
    }

    .score-cell span {
      display: block;
      margin-top: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .score-mid {
      display: grid;
      place-items: center;
      min-height: 112px;
      border-radius: 7px;
      color: #101018;
      background: var(--amber);
      font-weight: 950;
    }

    .demo-list {
      padding: 14px;
      display: grid;
      gap: 10px;
    }

    .demo-row {
      display: grid;
      grid-template-columns: 28px 1fr auto;
      gap: 10px;
      align-items: center;
      padding: 12px;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 7px;
      background: rgba(0,0,0,.18);
    }

    .demo-no {
      display: grid;
      place-items: center;
      width: 28px;
      height: 28px;
      color: #111;
      background: var(--cyan);
      border-radius: 6px;
      font-weight: 950;
      font-size: 13px;
    }

    .demo-row small {
      color: var(--muted);
    }

    .section-title {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: end;
      margin-bottom: 26px;
    }

    .section-title h2 {
      margin: 0;
      font-size: clamp(26px, 3vw, 42px);
      line-height: 1.1;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-title p {
      margin: 10px 0 0;
      max-width: 720px;
      color: var(--muted);
    }

    .filter-panel {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
      box-shadow: var(--shadow);
    }

    .filter-grid {
      display: grid;
      grid-template-columns: minmax(260px, 1fr) auto;
      gap: 14px;
      align-items: center;
    }

    .filter-search {
      height: 46px;
      width: 100%;
      padding: 0 14px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 7px;
      color: var(--text);
      outline: 0;
      background: rgba(0,0,0,.22);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .filter-search:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(36,231,255,.12);
    }

    .sort-group {
      display: flex;
      gap: 8px;
      padding: 5px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: 8px;
      background: rgba(0,0,0,.2);
    }

    .sort-button,
    .tag-button {
      border: 0;
      color: var(--muted);
      background: transparent;
      border-radius: 6px;
      transition: color .18s ease, background .18s ease, transform .18s ease;
    }

    .sort-button {
      min-height: 34px;
      padding: 0 12px;
      font-size: 13px;
      font-weight: 850;
    }

    .sort-button:hover,
    .sort-button.active {
      color: #101018;
      background: var(--cyan);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .tag-button {
      padding: 8px 11px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      font-size: 13px;
      font-weight: 850;
    }

    .tag-button:hover,
    .tag-button.active {
      transform: translateY(-1px);
      color: #101018;
      background: var(--lime);
      border-color: var(--lime);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 22px;
      align-items: start;
    }

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

    .entry-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
      transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
    }

    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(184,255,61,.45);
      background: rgba(255,255,255,.075);
      box-shadow: 0 16px 36px rgba(0,0,0,.22);
    }

    .entry-kicker {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 8px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 8px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
      font-size: 12px;
      font-weight: 800;
    }

    .badge.ok {
      color: #101018;
      background: var(--lime);
      border-color: var(--lime);
    }

    .badge.hot {
      color: #fff;
      background: rgba(255,46,115,.22);
      border-color: rgba(255,46,115,.4);
    }

    .entry-card h3 {
      margin: 0;
      font-size: 20px;
      line-height: 1.25;
      font-weight: 950;
    }

    .entry-card p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .entry-action {
      min-width: 118px;
    }

    .side-panel {
      position: sticky;
      top: 98px;
      display: grid;
      gap: 12px;
    }

    .assist-card {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,176,46,.12), rgba(255,255,255,.045));
    }

    .assist-card h3 {
      margin: 0 0 10px;
      font-size: 18px;
      font-weight: 950;
    }

    .assist-card p,
    .assist-card li {
      color: var(--muted);
      font-size: 14px;
    }

    .assist-list {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .assist-list li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
    }

    .assist-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 7px;
      border-radius: 999px;
      background: var(--cyan);
      flex: 0 0 auto;
    }

    .process-band {
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(36,231,255,.1), transparent 38%),
        linear-gradient(270deg, rgba(255,46,115,.12), transparent 36%),
        #101018;
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }

    .step-card {
      min-height: 152px;
      padding: 18px;
      border: 1px solid rgba(255,255,255,.13);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
    }

    .step-card strong {
      display: inline-grid;
      place-items: center;
      width: 36px;
      height: 36px;
      margin-bottom: 14px;
      border-radius: 7px;
      color: #111;
      background: var(--amber);
      font-weight: 950;
    }

    .step-card h3 {
      margin: 0;
      font-size: 17px;
      font-weight: 950;
    }

    .step-card p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.055);
      overflow: hidden;
    }

    .faq-toggle {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px;
      border: 0;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 950;
    }

    .faq-toggle span {
      color: var(--lime);
      font-size: 20px;
      line-height: 1;
    }

    .faq-answer {
      display: none;
      padding: 0 16px 16px;
      color: var(--muted);
      font-size: 14px;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

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

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      padding: 28px;
      border: 1px solid rgba(184,255,61,.32);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(184,255,61,.16), transparent 44%),
        linear-gradient(315deg, rgba(255,46,115,.16), transparent 42%),
        #15151f;
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0;
      font-size: clamp(24px, 3vw, 38px);
      line-height: 1.12;
      font-weight: 950;
    }

    .cta-panel p {
      margin: 10px 0 0;
      color: var(--muted);
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .site-footer {
      border-top: 1px solid var(--line);
      background: #07070b;
      padding: 42px 0 18px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 32px;
      align-items: start;
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 950;
      margin-bottom: 10px;
    }

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

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 8px 10px;
      border-radius: 7px;
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.1);
      transition: color .18s ease, background .18s ease, transform .18s ease;
    }

    .footer-links a:hover {
      color: var(--text);
      background: rgba(255,255,255,.07);
      transform: translateY(-1px);
    }

    .copyright {
      margin-top: 28px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,.09);
      color: rgba(247,247,251,.5);
      font-size: 13px;
    }

    .hidden-card {
      display: none;
    }

    @media (max-width: 1024px) {
      .nav {
        grid-template-columns: 1fr;
        padding: 14px 0;
        gap: 12px;
      }

      .nav-links {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .hero-grid,
      .content-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
        grid-template-columns: repeat(2, 1fr);
      }

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

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .section {
        padding: 54px 0;
      }

      .strip-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 9px 0;
        gap: 6px;
      }

      .hero-grid {
        padding: 54px 0 44px;
      }

      .hero-metrics,
      .score-grid,
      .filter-grid,
      .faq-grid,
      .side-panel {
        grid-template-columns: 1fr;
      }

      .score-mid {
        min-height: 46px;
      }

      .entry-card {
        grid-template-columns: 1fr;
      }

      .entry-action {
        width: 100%;
      }

      .entry-action .btn {
        width: 100%;
      }

      .section-title {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .brand {
        font-size: 15px;
      }

      .search-wrap {
        height: 46px;
        border-radius: 8px;
      }

      .key-hint {
        display: none;
      }

      .nav-link {
        padding: 9px 11px;
      }

      h1 {
        font-size: 38px;
      }

      .hero-copy {
        font-size: 16px;
      }

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

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

      .filter-panel,
      .entry-card,
      .assist-card,
      .cta-panel {
        padding: 16px;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }