/* roulang page: index */
:root {
      --bg: #080b13;
      --bg-soft: #101522;
      --panel: rgba(17, 23, 37, 0.88);
      --panel-strong: #141b2b;
      --paper: #f7f3ea;
      --text: #f5f7fb;
      --text-dark: #111827;
      --muted: #a9b3c7;
      --muted-dark: #536070;
      --line: rgba(255, 255, 255, 0.12);
      --line-dark: rgba(17, 24, 39, 0.12);
      --brand: #ffcf43;
      --brand-2: #ff6b4a;
      --brand-3: #23d7a7;
      --blue: #67a9ff;
      --danger: #ff5268;
      --radius-sm: 8px;
      --radius: 14px;
      --radius-lg: 22px;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
      --shadow-soft: 0 16px 45px rgba(8, 11, 19, 0.2);
      --container: 1180px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.65;
      background:
        radial-gradient(circle at 12% 8%, rgba(255, 207, 67, 0.18), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(35, 215, 167, 0.14), transparent 24%),
        linear-gradient(180deg, #080b13 0%, #0b101b 42%, #10131c 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }

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

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

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

    button {
      cursor: pointer;
    }

    ::selection {
      color: #101522;
      background: var(--brand);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(8, 11, 19, 0.82);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .nav-wrap {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: 0;
      color: #fff;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background:
        linear-gradient(135deg, var(--brand), var(--brand-2) 55%, var(--brand-3));
      box-shadow: 0 0 28px rgba(255, 207, 67, 0.25);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 2px solid rgba(8, 11, 19, 0.82);
      border-radius: 7px;
    }

    .brand-text {
      max-width: 300px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      flex: 1;
    }

    .nav-links a {
      position: relative;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: color 0.2s ease, background 0.2s ease;
    }

    .nav-links a:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    .nav-links a.active {
      color: #101522;
      background: var(--brand);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      border: 1px solid rgba(255, 207, 67, 0.45);
      border-radius: 999px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 800;
      transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    }

    .nav-action:hover {
      transform: translateY(-1px);
      background: rgba(255, 207, 67, 0.1);
      border-color: var(--brand);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span {
      width: 18px;
      height: 2px;
      background: currentColor;
      position: relative;
      display: block;
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
      width: 18px;
      height: 2px;
      background: currentColor;
    }

    .menu-toggle span::before {
      top: -6px;
    }

    .menu-toggle span::after {
      top: 6px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 999px;
      font-weight: 900;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
      white-space: nowrap;
    }

    .btn:focus-visible,
    .nav-links a:focus-visible,
    .nav-action:focus-visible,
    .menu-toggle:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(255, 207, 67, 0.45);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #101522;
      background: linear-gradient(135deg, var(--brand), #ffb13b 52%, var(--brand-2));
      box-shadow: 0 16px 35px rgba(255, 107, 74, 0.24);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 45px rgba(255, 107, 74, 0.32);
    }

    .btn-ghost {
      color: #fff;
      border-color: var(--line);
      background: rgba(255, 255, 255, 0.06);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 255, 255, 0.28);
      background: rgba(255, 255, 255, 0.1);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      width: fit-content;
      padding: 7px 11px;
      border: 1px solid rgba(255, 207, 67, 0.35);
      border-radius: 999px;
      color: var(--brand);
      background: rgba(255, 207, 67, 0.08);
      font-size: 13px;
      font-weight: 800;
    }

    .badge::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: currentColor;
      box-shadow: 0 0 16px currentColor;
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding: 44px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.6fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-title {
      margin: 12px 0 0;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.14;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      padding: 52px 0 76px;
    }

    .hero-panel {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.75fr);
      gap: 22px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 560px;
      padding: clamp(28px, 5vw, 56px);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 207, 67, 0.14), transparent 36%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -100px;
      width: 280px;
      height: 280px;
      border: 1px solid rgba(255, 207, 67, 0.22);
      border-radius: 50%;
    }

    h1 {
      margin: 18px 0 18px;
      max-width: 780px;
      font-size: clamp(34px, 6vw, 72px);
      line-height: 1.03;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 720px;
      margin: 0 0 28px;
      color: #d7deec;
      font-size: clamp(16px, 2vw, 19px);
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 8px;
    }

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
      position: relative;
      z-index: 1;
    }

    .stat {
      min-height: 100px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(8, 11, 19, 0.45);
    }

    .stat strong {
      display: block;
      color: var(--brand);
      font-size: 28px;
      line-height: 1.1;
    }

    .stat span {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-size: 13px;
    }

    .lead-card {
      border-radius: var(--radius-lg);
      background: var(--paper);
      color: var(--text-dark);
      box-shadow: var(--shadow);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.16);
    }

    .lead-cover {
      padding: 24px;
      background:
        linear-gradient(135deg, #171b28, #29304a 58%, #141822);
      color: #fff;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .lead-cover-title {
      margin: 16px 0 0;
      font-size: 32px;
      line-height: 1.1;
      font-weight: 950;
      letter-spacing: 0;
    }

    .lead-cover small {
      color: #d7deec;
      font-weight: 800;
    }

    .toc {
      padding: 24px;
    }

    .toc h2 {
      margin: 0 0 14px;
      font-size: 21px;
    }

    .toc-list {
      list-style: none;
      padding: 0;
      margin: 0 0 20px;
      display: grid;
      gap: 10px;
    }

    .toc-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted-dark);
      font-size: 14px;
    }

    .toc-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--brand-2);
      flex: 0 0 auto;
    }

    .lead-form {
      display: grid;
      gap: 10px;
    }

    .lead-form input,
    .lead-form select {
      width: 100%;
      height: 46px;
      border: 1px solid rgba(17, 24, 39, 0.14);
      border-radius: 12px;
      padding: 0 14px;
      color: var(--text-dark);
      background: #fff;
    }

    .lead-form .btn {
      width: 100%;
      border: 0;
    }

    .form-note {
      margin: 8px 0 0;
      color: var(--muted-dark);
      font-size: 12px;
    }

    .steps-band {
      background: rgba(255, 255, 255, 0.04);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .milestone {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--line);
    }

    .mile-item {
      padding: 24px;
      background: rgba(13, 18, 30, 0.95);
      min-height: 180px;
    }

    .mile-item b {
      color: var(--brand);
      font-size: 15px;
    }

    .mile-item h3 {
      margin: 12px 0 8px;
      font-size: 20px;
      line-height: 1.25;
    }

    .mile-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .tier-ladder {
      display: grid;
      grid-template-columns: 0.8fr 1fr;
      gap: 22px;
      align-items: stretch;
    }

    .ladder-copy,
    .ladder-board,
    .compare-card,
    .news-panel,
    .recommend-card,
    .faq-card,
    .cta-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--panel);
      box-shadow: var(--shadow-soft);
    }

    .ladder-copy {
      padding: 30px;
    }

    .ladder-copy h2 {
      margin: 14px 0 12px;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.16;
    }

    .ladder-copy p {
      margin: 0;
      color: var(--muted);
    }

    .ladder-board {
      padding: 16px;
      display: grid;
      gap: 12px;
    }

    .tier-row {
      display: grid;
      grid-template-columns: 96px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 18px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }

    .tier-row:hover {
      transform: translateX(3px);
      border-color: rgba(255, 207, 67, 0.32);
      background: rgba(255, 255, 255, 0.075);
    }

    .tier-label {
      color: var(--brand);
      font-weight: 950;
    }

    .tier-row p {
      margin: 3px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .tier-price {
      color: #fff;
      font-weight: 950;
      white-space: nowrap;
    }

    .compare-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .compare-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .compare-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 207, 67, 0.34);
    }

    .compare-card.featured {
      background:
        linear-gradient(180deg, rgba(255, 207, 67, 0.16), rgba(255, 255, 255, 0.04)),
        var(--panel);
      border-color: rgba(255, 207, 67, 0.5);
    }

    .plan-name {
      font-size: 22px;
      margin: 12px 0 8px;
    }

    .plan-price {
      display: flex;
      align-items: flex-end;
      gap: 5px;
      margin: 0 0 18px;
    }

    .plan-price strong {
      color: var(--brand);
      font-size: 38px;
      line-height: 1;
    }

    .plan-price span {
      color: var(--muted);
      font-size: 13px;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 11px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: #dbe3f1;
      font-size: 14px;
    }

    .check-list li::before {
      content: "✓";
      color: var(--brand-3);
      font-weight: 950;
    }

    .guard-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }

    .guard-item {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.055);
    }

    .guard-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #101522;
      background: var(--brand);
      font-weight: 950;
      margin-bottom: 14px;
    }

    .guard-item h3 {
      margin: 0 0 7px;
      font-size: 18px;
    }

    .guard-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .topic-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .recommend-card {
      padding: 24px;
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .recommend-card:hover {
      transform: translateY(-4px);
      border-color: rgba(35, 215, 167, 0.36);
    }

    .recommend-card h3 {
      margin: 18px 0 8px;
      font-size: 24px;
    }

    .recommend-card p {
      margin: 0;
      color: var(--muted);
    }

    .card-link {
      margin-top: 20px;
      color: var(--brand);
      font-weight: 900;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.62fr);
      gap: 20px;
    }

    .news-panel {
      padding: 24px;
    }

    .news-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 4px;
    }

    .news-list a {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 18px;
      padding: 16px 0;
      border-bottom: 1px solid var(--line);
      transition: color 0.2s ease;
    }

    .news-list li:last-child a {
      border-bottom: 0;
    }

    .news-list a:hover strong {
      color: var(--brand);
    }

    .news-date {
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .news-list strong {
      display: block;
      transition: color 0.2s ease;
    }

    .news-list span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 14px;
    }

    .side-rank {
      display: grid;
      gap: 12px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 12px;
      align-items: center;
      padding: 17px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--line);
    }

    .rank-num {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: rgba(255, 207, 67, 0.12);
      color: var(--brand);
      font-weight: 950;
    }

    .rank-item h3 {
      margin: 0;
      font-size: 16px;
    }

    .rank-item p {
      margin: 3px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 0.72fr 1fr;
      gap: 22px;
      align-items: start;
    }

    .faq-card {
      padding: 22px;
    }

    details {
      border-bottom: 1px solid var(--line);
      padding: 18px 0;
    }

    details:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    summary {
      list-style: none;
      cursor: pointer;
      font-weight: 900;
      color: #fff;
      display: flex;
      justify-content: space-between;
      gap: 18px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      color: var(--brand);
      font-size: 22px;
      line-height: 1;
    }

    details[open] summary::after {
      content: "−";
    }

    details p {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 15px;
    }

    .countdown {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
      padding: 28px;
      border: 1px solid rgba(255, 207, 67, 0.38);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 207, 67, 0.2), rgba(255, 107, 74, 0.13) 48%, rgba(35, 215, 167, 0.12)),
        rgba(255, 255, 255, 0.055);
      box-shadow: var(--shadow-soft);
    }

    .countdown h2 {
      margin: 0 0 8px;
      font-size: clamp(25px, 3vw, 38px);
      line-height: 1.15;
    }

    .countdown p {
      margin: 0;
      color: #dbe3f1;
    }

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

    .time-box {
      min-width: 72px;
      padding: 12px 10px;
      border-radius: 16px;
      text-align: center;
      color: #101522;
      background: var(--brand);
      font-weight: 950;
    }

    .time-box small {
      display: block;
      margin-top: 2px;
      font-size: 12px;
      opacity: 0.75;
      font-weight: 800;
    }

    .cta-panel {
      padding: clamp(28px, 5vw, 48px);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 26px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(103, 169, 255, 0.12), rgba(255, 207, 67, 0.12)),
        var(--panel);
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.12;
    }

    .cta-panel p {
      margin: 0;
      color: var(--muted);
      max-width: 760px;
    }

    .site-footer {
      padding: 44px 0 28px;
      border-top: 1px solid var(--line);
      background: rgba(5, 8, 14, 0.7);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 950;
      margin-bottom: 12px;
    }

    .footer-text {
      margin: 0;
      color: var(--muted);
      max-width: 620px;
      font-size: 14px;
    }

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

    .footer-links a {
      color: var(--muted);
      padding: 8px 10px;
      border-radius: 999px;
      transition: color 0.2s ease, background 0.2s ease;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    .copyright {
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      color: #7f8aa0;
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .hero-panel,
      .tier-ladder,
      .news-layout,
      .faq-grid,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .hero-copy {
        min-height: auto;
      }

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

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

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

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

      .nav-wrap {
        min-height: 64px;
      }

      .brand-text {
        max-width: 210px;
      }

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

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: 70px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: rgba(8, 11, 19, 0.96);
        box-shadow: var(--shadow);
      }

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

      .nav-links a,
      .nav-action {
        width: 100%;
        justify-content: center;
        text-align: center;
      }

      .hero {
        padding-top: 28px;
      }

      .hero-stats,
      .milestone,
      .topic-grid {
        grid-template-columns: 1fr;
      }

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

      .tier-price {
        justify-self: start;
      }

      .news-list a {
        grid-template-columns: 1fr;
        gap: 4px;
      }

      .timer {
        flex-wrap: wrap;
      }

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

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

    @media (max-width: 520px) {
      .section {
        padding: 56px 0;
      }

      .hero-copy,
      .lead-cover,
      .toc,
      .ladder-copy,
      .news-panel,
      .faq-card,
      .cta-panel,
      .countdown {
        padding: 20px;
      }

      .compare-grid,
      .guard-strip {
        grid-template-columns: 1fr;
      }

      .hero-actions {
        align-items: stretch;
      }

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

      .time-box {
        flex: 1 1 70px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#08111f;
      --bg-2:#0c1728;
      --surface:#101b2d;
      --surface-2:#15233a;
      --text:#eef4ff;
      --muted:#9eb0c9;
      --line:rgba(180, 198, 226, .14);
      --accent:#67e8f9;
      --accent-2:#f59e0b;
      --accent-3:#fb7185;
      --ok:#34d399;
      --warn:#fbbf24;
      --shadow:0 20px 50px rgba(0,0,0,.34);
      --shadow-soft:0 10px 28px rgba(0,0,0,.24);
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
      --gap:24px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      background:
        linear-gradient(180deg, rgba(15, 24, 39, .9), rgba(8, 17, 31, 1) 28%),
        linear-gradient(135deg, rgba(103, 232, 249, .08), transparent 28%),
        linear-gradient(315deg, rgba(245, 158, 11, .06), transparent 26%);
      color:var(--text);
      line-height:1.65;
      letter-spacing:0;
      overflow-x:hidden;
      color-scheme:dark;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(103,232,249,.28);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(16px);
      background:rgba(8,17,31,.72);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      min-height:76px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:0;
      font-size:1rem;
      white-space:nowrap;
    }
    .brand-mark{
      width:14px;
      height:14px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 6px rgba(103,232,249,.12);
      flex:0 0 auto;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:8px 2px;
      color:var(--muted);
      font-size:.96rem;
      transition:color .2s ease, transform .2s ease, opacity .2s ease;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible{
      color:var(--text);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-links a.active{
      color:var(--text);
    }
    .nav-links a.active::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:2px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }
    .nav-action{
      padding:10px 16px !important;
      border:1px solid rgba(103,232,249,.26);
      border-radius:999px;
      background:rgba(103,232,249,.08);
      color:var(--text) !important;
      box-shadow:0 10px 24px rgba(0,0,0,.16);
    }
    .nav-action:hover,
    .nav-action:focus-visible{
      border-color:rgba(103,232,249,.44);
      background:rgba(103,232,249,.12);
    }

    main{display:block}
    .hero{
      padding:54px 0 28px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:18px 0 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      color:#d7e3f6;
      font-size:.84rem;
      letter-spacing:0;
      margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--ok);
      box-shadow:0 0 0 6px rgba(52,211,153,.12);
    }
    h1,h2,h3,p{margin:0}
    .hero h1{
      font-size:clamp(2.1rem, 4vw, 4.2rem);
      line-height:1.06;
      letter-spacing:0;
      max-width:12ch;
      margin-bottom:16px;
    }
    .hero-lead{
      max-width:60ch;
      color:var(--muted);
      font-size:1.04rem;
      margin-bottom:24px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:24px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      color:#dfe8f6;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .meta-chip strong{
      color:var(--text);
      font-size:.98rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      cursor:pointer;
      font-weight:700;
      letter-spacing:0;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }
    .btn-primary{
      color:#07111f;
      background:linear-gradient(135deg, #86efac, #67e8f9);
      box-shadow:0 18px 34px rgba(103,232,249,.16);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 22px 38px rgba(103,232,249,.22);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:var(--line);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.2);
    }
    .btn .btn-arrow{
      font-size:1rem;
      line-height:1;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
      max-width:680px;
    }
    .stat{
      padding:16px 16px 15px;
      border-radius:var(--radius-sm);
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      min-height:104px;
    }
    .stat-value{
      display:block;
      font-size:1.45rem;
      line-height:1.1;
      font-weight:800;
      margin-bottom:8px;
      letter-spacing:0;
    }
    .stat-label{
      color:var(--muted);
      font-size:.92rem;
    }

    .hero-visual{
      position:relative;
      min-height:620px;
      border-radius:calc(var(--radius) + 8px);
      overflow:hidden;
      background:
        linear-gradient(160deg, rgba(96,165,250,.16), rgba(8,17,31,.22) 42%, rgba(245,158,11,.12)),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
      transform:translateY(10px);
    }
    .hero-visual::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:calc(var(--radius) + 2px);
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(8,17,31,.92), rgba(16,27,45,.88)),
        radial-gradient(circle at top right, rgba(103,232,249,.14), transparent 34%),
        radial-gradient(circle at 20% 80%, rgba(245,158,11,.12), transparent 30%);
    }
    .visual-inner{
      position:absolute;
      inset:18px;
      display:grid;
      grid-template-columns: .9fr 1.1fr;
      gap:16px;
      padding:16px;
    }
    .visual-pane,
    .visual-cover{
      position:relative;
      border-radius:16px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      box-shadow:0 18px 32px rgba(0,0,0,.18);
    }
    .visual-pane{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:18px;
      gap:18px;
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .panel-pill{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(103,232,249,.1);
      border:1px solid rgba(103,232,249,.2);
      color:#dffbff;
      font-size:.82rem;
    }
    .panel-score{
      font-size:2.2rem;
      font-weight:900;
      line-height:1;
      letter-spacing:0;
    }
    .panel-note{
      color:var(--muted);
      font-size:.92rem;
      margin-top:4px;
    }
    .stack{
      display:grid;
      gap:10px;
    }
    .stack-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
    }
    .stack-row strong{
      font-size:.95rem;
      font-weight:700;
    }
    .stack-row span{
      color:var(--muted);
      font-size:.9rem;
    }
    .meter{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      overflow:hidden;
      margin-top:8px;
    }
    .meter > i{
      display:block;
      height:100%;
      border-radius:inherit;
      width:72%;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      box-shadow:0 0 18px rgba(103,232,249,.32);
    }
    .visual-cover{
      transform:translate(18px, -16px);
      background:
        linear-gradient(180deg, rgba(8,17,31,.12), rgba(8,17,31,.42)),
        linear-gradient(135deg, rgba(103,232,249,.14), rgba(245,158,11,.14));
    }
    .cover-frame{
      position:absolute;
      inset:16px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(14,23,38,.88), rgba(8,17,31,.92));
    }
    .cover-top{
      padding:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.02);
    }
    .cover-top strong{
      font-size:.98rem;
      letter-spacing:0;
    }
    .cover-grid{
      position:absolute;
      inset:62px 16px 16px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
    }
    .cover-main,
    .cover-side{
      border-radius:14px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
    }
    .cover-main{
      position:relative;
      background:
        linear-gradient(160deg, rgba(103,232,249,.11), rgba(8,17,31,.18)),
        linear-gradient(135deg, rgba(245,158,11,.10), rgba(251,113,133,.08));
    }
    .cover-main::after{
      content:"";
      position:absolute;
      inset:14px;
      border-radius:12px;
      border:1px dashed rgba(255,255,255,.16);
    }
    .cover-side{
      display:grid;
      gap:10px;
      padding:12px;
    }
    .cover-item{
      border-radius:12px;
      padding:12px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      min-height:72px;
    }
    .cover-item .label{
      display:block;
      color:var(--muted);
      font-size:.8rem;
      margin-bottom:6px;
    }
    .cover-item .value{
      font-weight:800;
      letter-spacing:0;
    }
    .cover-footer{
      position:absolute;
      left:16px;
      right:16px;
      bottom:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(8,17,31,.68);
      border:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(10px);
    }
    .cover-footer .small{
      color:var(--muted);
      font-size:.84rem;
    }
    .cover-footer .badge{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(52,211,153,.12);
      border:1px solid rgba(52,211,153,.24);
      color:#cbffe9;
      font-size:.82rem;
      white-space:nowrap;
    }

    .section{
      padding:24px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title{
      font-size:clamp(1.5rem, 2.2vw, 2.2rem);
      line-height:1.12;
      letter-spacing:0;
      margin-bottom:8px;
    }
    .section-subtitle{
      color:var(--muted);
      max-width:62ch;
      font-size:.98rem;
    }

    .grid-3{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
    }
    .grid-4{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
    }
    .card{
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      padding:20px;
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .card:hover{
      transform:translateY(-2px);
      border-color:rgba(103,232,249,.26);
      box-shadow:0 18px 36px rgba(0,0,0,.28);
    }
    .card-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:12px;
    }
    .card-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      font-size:.8rem;
      color:#d8e5f6;
    }
    .card h3{
      font-size:1.08rem;
      line-height:1.25;
      margin-bottom:10px;
    }
    .card p{
      color:var(--muted);
      font-size:.95rem;
    }
    .list{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .list-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dce7f8;
      font-size:.94rem;
    }
    .list-dot{
      width:10px;
      height:10px;
      margin-top:7px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 5px rgba(103,232,249,.1);
      flex:0 0 auto;
    }

    .band{
      margin-top:8px;
      padding:22px;
      border-radius:calc(var(--radius) + 2px);
      background:linear-gradient(135deg, rgba(103,232,249,.10), rgba(245,158,11,.08), rgba(251,113,133,.08));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .band-inner{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:center;
    }
    .band h2{
      font-size:1.65rem;
      margin-bottom:10px;
    }
    .band p{
      color:#d9e5f5;
      max-width:58ch;
    }
    .band-points{
      display:grid;
      gap:10px;
    }
    .band-point{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      padding:14px 16px;
      border-radius:14px;
      background:rgba(8,17,31,.38);
      border:1px solid rgba(255,255,255,.08);
      color:#eef4ff;
    }
    .band-point span{
      color:var(--muted);
      font-size:.9rem;
    }

    .timeline{
      display:grid;
      gap:14px;
    }
    .step{
      display:grid;
      grid-template-columns:72px minmax(0,1fr);
      gap:14px;
      align-items:start;
      padding:18px;
      border-radius:var(--radius);
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .step-index{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:56px;
      height:56px;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(103,232,249,.18), rgba(245,158,11,.16));
      border:1px solid rgba(255,255,255,.10);
      font-weight:900;
      font-size:1.15rem;
      color:#fff;
      box-shadow:0 12px 24px rgba(0,0,0,.2);
    }
    .step h3{margin-bottom:8px}
    .step p{color:var(--muted)}
    .step-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#dce7f8;
      font-size:.8rem;
    }

    .faq{
      display:grid;
      gap:12px;
    }
    details{
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:700;
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:32px;
      height:32px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#e6efff;
      flex:0 0 auto;
      transition:transform .2s ease, background .2s ease;
    }
    details[open] summary::after{
      content:"–";
      transform:rotate(0deg);
    }
    .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
    }

    .cta{
      padding:22px 0 72px;
    }
    .cta-panel{
      border-radius:calc(var(--radius) + 4px);
      padding:26px;
      background:
        linear-gradient(135deg, rgba(103,232,249,.14), rgba(8,17,31,.92) 40%, rgba(245,158,11,.12)),
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:center;
    }
    .cta h2{
      font-size:1.7rem;
      margin-bottom:10px;
    }
    .cta p{
      color:#d8e5f4;
      max-width:58ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .cta-note{
      margin-top:12px;
      color:var(--muted);
      font-size:.92rem;
    }

    .site-footer{
      border-top:1px solid var(--line);
      padding:26px 0 30px;
      background:rgba(6,12,22,.72);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:start;
      padding-bottom:18px;
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      margin-bottom:12px;
    }
    .footer-text{
      color:var(--muted);
      max-width:62ch;
      font-size:.95rem;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:12px 18px;
      justify-content:flex-end;
      align-content:flex-start;
    }
    .footer-links a{
      color:#dfe8f8;
      opacity:.88;
      transition:opacity .2s ease, color .2s ease;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      opacity:1;
      color:#fff;
      outline:none;
    }
    .copyright{
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      justify-content:space-between;
      padding-top:16px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:.9rem;
    }

    :focus-visible{
      outline:2px solid rgba(103,232,249,.7);
      outline-offset:3px;
    }

    @media (max-width: 1100px){
      .hero-grid,
      .band-inner,
      .cta-panel,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .hero-visual{
        min-height:520px;
        transform:none;
      }
      .visual-cover{
        transform:none;
      }
      .grid-4{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
    }
    @media (max-width: 820px){
      .header-inner{
        flex-direction:column;
        align-items:flex-start;
        padding:14px 0;
      }
      .nav-links{
        width:100%;
        justify-content:flex-start;
        overflow-x:auto;
        padding-bottom:4px;
        scrollbar-width:thin;
      }
      .hero{
        padding-top:28px;
      }
      .hero h1{
        max-width:14ch;
      }
      .hero-stats,
      .grid-3{
        grid-template-columns:1fr;
      }
      .step{
        grid-template-columns:1fr;
      }
      .step-index{
        width:48px;
        height:48px;
      }
      .cta-actions,
      .footer-links{
        justify-content:flex-start;
      }
      .cover-grid{
        grid-template-columns:1fr;
      }
      .cover-footer{
        position:static;
        margin:14px 16px 16px;
      }
      .visual-cover{
        min-height:440px;
      }
    }
    @media (max-width: 560px){
      .container{
        width:min(var(--container), calc(100% - 22px));
      }
      .hero{
        padding-top:22px;
      }
      .hero h1{
        font-size:2rem;
        max-width:12ch;
      }
      .hero-lead,
      .section-subtitle,
      .band p,
      .cta p,
      .footer-text{
        font-size:.94rem;
      }
      .hero-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .btn{
        width:100%;
      }
      .card,
      .band,
      .cta-panel{
        padding:18px;
      }
      .section{
        padding:20px 0;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .grid-4{
        grid-template-columns:1fr;
      }
      .nav-links{
        gap:10px;
      }
      .nav-links a{
        min-height:36px;
        font-size:.92rem;
      }
      .nav-action{
        padding:9px 13px !important;
      }
      .hero-visual{
        min-height:480px;
      }
      .visual-inner{
        grid-template-columns:1fr;
        gap:12px;
      }
      .cover-grid{
        inset:62px 12px 82px;
      }
      .cover-footer{
        margin:0 12px 12px;
      }
      .copyright{
        flex-direction:column;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#060b16;
      --bg-soft:#0a1221;
      --panel:#0f1a31;
      --panel-2:#12223f;
      --line:rgba(167,184,214,.18);
      --line-strong:rgba(167,184,214,.28);
      --text:#edf3ff;
      --muted:#a0b0cb;
      --muted-2:#7e90b1;
      --primary:#7c5cff;
      --primary-2:#27d6ff;
      --accent:#ff8f4d;
      --success:#28d49f;
      --warning:#f7c948;
      --danger:#ff5d73;
      --shadow:0 20px 60px rgba(0,0,0,.35);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
      --gap:24px;
      --transition:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
      background:
        radial-gradient(circle at 15% 10%, rgba(124,92,255,.26), transparent 30%),
        radial-gradient(circle at 85% 12%, rgba(39,214,255,.18), transparent 26%),
        radial-gradient(circle at 20% 88%, rgba(40,212,159,.14), transparent 26%),
        linear-gradient(180deg, #08111f 0%, #050913 100%);
      color:var(--text);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      background:
        linear-gradient(135deg, rgba(255,255,255,.03) 0, rgba(255,255,255,0) 18%),
        linear-gradient(315deg, rgba(255,255,255,.02) 0, rgba(255,255,255,0) 18%);
      pointer-events:none;
      opacity:.7;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
      outline:none;
    }
    button{
      border:0;
      cursor:pointer;
      transition:var(--transition);
    }
    ::selection{background:rgba(124,92,255,.35);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      background:rgba(6,11,22,.7);
      border-bottom:1px solid rgba(167,184,214,.12);
    }
    .header-inner{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
      min-width:0;
    }
    .brand-mark{
      width:14px;
      height:14px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 6px rgba(124,92,255,.12), 0 0 24px rgba(39,214,255,.24);
      flex:none;
    }
    .brand span{
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.02);
      color:var(--text);
      align-items:center;
      justify-content:center;
      box-shadow:var(--shadow-soft);
    }
    .nav-toggle:hover{
      border-color:rgba(124,92,255,.45);
      transform:translateY(-1px);
    }
    .nav-toggle svg{width:20px;height:20px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      box-shadow:var(--shadow-soft);
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:11px 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      line-height:1;
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.05);
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(124,92,255,.2), rgba(39,214,255,.12));
      box-shadow:inset 0 0 0 1px rgba(124,92,255,.25);
    }
    .nav-links a.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:7px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--primary), var(--primary-2));
      opacity:.95;
    }
    .nav-action{
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      color:#07101f !important;
      font-weight:800;
      box-shadow:0 14px 30px rgba(39,214,255,.12);
    }
    .nav-action:hover{
      transform:translateY(-1px);
      filter:saturate(1.04);
    }
    .nav-action.active::after{display:none}

    .hero{
      padding:34px 0 24px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);
      gap:26px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-panel,
    .section-card,
    .faq-card,
    .cta-box{
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025)),
        rgba(12,19,35,.8);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
      position:relative;
      overflow:hidden;
    }
    .hero-copy{
      padding:34px;
      min-height:100%;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(39,214,255,.08);
      color:#d8f8ff;
      font-size:13px;
      letter-spacing:.03em;
      border:1px solid rgba(39,214,255,.18);
      margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 6px rgba(40,212,159,.12);
    }
    h1{
      margin:0 0 16px;
      font-size:clamp(34px, 4.8vw, 58px);
      line-height:1.06;
      letter-spacing:-.03em;
    }
    .hero-copy p{
      margin:0 0 20px;
      color:var(--muted);
      font-size:17px;
      max-width:58ch;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .hero-points li{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(167,184,214,.12);
      color:#dde6f8;
      font-size:14px;
    }
    .hero-points i{
      width:8px;height:8px;border-radius:50%;
      display:inline-block;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 4px rgba(124,92,255,.12);
    }

    .hero-panel{
      padding:24px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .panel-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .panel-title{
      margin:0;
      font-size:18px;
      line-height:1.25;
    }
    .panel-desc{
      margin:6px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .pulse{
      width:46px;
      height:46px;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(124,92,255,.18), rgba(39,214,255,.18));
      border:1px solid rgba(124,92,255,.26);
      display:grid;
      place-items:center;
      box-shadow:0 12px 24px rgba(0,0,0,.2);
      flex:none;
    }
    .pulse svg{width:22px;height:22px;color:#eaf8ff}
    .quick-form{
      display:grid;
      gap:14px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      font-size:13px;
      color:#dbe5f6;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      padding:14px 15px;
      border-radius:16px;
      border:1px solid rgba(167,184,214,.18);
      background:rgba(7,14,28,.92);
      color:var(--text);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.02);
      transition:var(--transition);
    }
    .field input::placeholder,
    .field textarea::placeholder{color:#7283a5}
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(39,214,255,.45);
      box-shadow:0 0 0 4px rgba(39,214,255,.12);
    }
    .field textarea{min-height:90px;resize:vertical}
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .submit-row{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:14px;
      font-weight:800;
      border:1px solid transparent;
      white-space:nowrap;
      transition:var(--transition);
    }
    .btn-primary{
      color:#07101f;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 16px 30px rgba(39,214,255,.16);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      filter:saturate(1.05);
      box-shadow:0 18px 34px rgba(39,214,255,.22);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(167,184,214,.16);
    }
    .btn-ghost:hover{
      border-color:rgba(124,92,255,.35);
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }
    .form-note{
      margin:0;
      color:var(--muted-2);
      font-size:13px;
    }
    .result-box{
      padding:14px 16px;
      border-radius:16px;
      border:1px dashed rgba(124,92,255,.32);
      background:rgba(124,92,255,.08);
      color:#e7ebff;
      font-size:14px;
      min-height:54px;
      display:flex;
      align-items:center;
    }

    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:16px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(24px, 2.7vw, 34px);
      line-height:1.16;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:58ch;
      font-size:15px;
    }

    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .stat{
      padding:18px 18px 16px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(18,34,63,.95), rgba(10,18,33,.95));
      border:1px solid rgba(167,184,214,.14);
      box-shadow:var(--shadow-soft);
      transition:var(--transition);
    }
    .stat:hover{
      transform:translateY(-3px);
      border-color:rgba(39,214,255,.26);
      box-shadow:0 18px 38px rgba(0,0,0,.24);
    }
    .stat-number{
      display:block;
      font-size:28px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.02em;
      background:linear-gradient(135deg, #fff, #b5e8ff 35%, #b9b1ff 70%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      margin-bottom:8px;
    }
    .stat-label{
      display:block;
      color:var(--muted);
      font-size:14px;
    }

    .cards-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .info-card{
      padding:22px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(18,34,63,.95), rgba(10,18,33,.97));
      border:1px solid rgba(167,184,214,.14);
      box-shadow:var(--shadow-soft);
      transition:var(--transition);
      position:relative;
      overflow:hidden;
    }
    .info-card::before{
      content:"";
      position:absolute;
      inset:auto -40px -60px auto;
      width:140px;height:140px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(39,214,255,.18), transparent 70%);
      pointer-events:none;
    }
    .info-card:hover{
      transform:translateY(-4px);
      border-color:rgba(124,92,255,.28);
      box-shadow:0 20px 46px rgba(0,0,0,.28);
    }
    .card-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:12px;
    }
    .card-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(124,92,255,.18), rgba(39,214,255,.12));
      border:1px solid rgba(124,92,255,.18);
      color:#e9f3ff;
      flex:none;
      box-shadow:0 12px 20px rgba(0,0,0,.18);
    }
    .card-icon svg{width:22px;height:22px}
    .badge{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(167,184,214,.14);
      background:rgba(255,255,255,.03);
      color:#dbe5f6;
      font-size:12px;
      white-space:nowrap;
    }
    .info-card h3{
      margin:0 0 10px;
      font-size:20px;
      line-height:1.25;
    }
    .info-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:15px;
    }
    .check-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#deebff;
      font-size:14px;
    }
    .check-list li::before{
      content:"";
      width:9px;height:9px;
      border-radius:50%;
      margin-top:.58em;
      flex:none;
      background:linear-gradient(135deg, var(--success), var(--primary-2));
      box-shadow:0 0 0 5px rgba(40,212,159,.1);
    }

    .timeline{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .step{
      padding:20px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(15,26,49,.98), rgba(10,18,33,.96));
      border:1px solid rgba(167,184,214,.14);
      position:relative;
      overflow:hidden;
    }
    .step::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(124,92,255,.06), transparent 40%);
      pointer-events:none;
    }
    .step-index{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      border-radius:12px;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      color:#07101f;
      font-weight:900;
      margin-bottom:14px;
      box-shadow:0 12px 24px rgba(39,214,255,.14);
    }
    .step h3{
      margin:0 0 8px;
      font-size:18px;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .split{
      display:grid;
      grid-template-columns:minmax(0, .95fr) minmax(0, 1.05fr);
      gap:16px;
      align-items:stretch;
    }
    .contrast-box{
      padding:22px;
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(18,34,63,.95), rgba(10,18,33,.97));
      border:1px solid rgba(167,184,214,.14);
      box-shadow:var(--shadow-soft);
    }
    .contrast-title{
      margin:0 0 12px;
      font-size:20px;
    }
    .compare-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .compare-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 15px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(167,184,214,.12);
    }
    .compare-list strong{
      display:block;
      margin-bottom:4px;
      font-size:14px;
    }
    .compare-list span{
      color:var(--muted);
      font-size:14px;
    }
    .ok{
      color:#8af1cb;
    }
    .warn{
      color:#ffb36d;
    }

    .category-links{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .category-link{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:22px;
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(18,34,63,.97), rgba(10,18,33,.98));
      border:1px solid rgba(167,184,214,.14);
      box-shadow:var(--shadow-soft);
      transition:var(--transition);
      min-height:100%;
    }
    .category-link:hover{
      transform:translateY(-4px);
      border-color:rgba(39,214,255,.26);
    }
    .category-link.active{
      background:
        linear-gradient(180deg, rgba(39,214,255,.11), rgba(124,92,255,.09)),
        rgba(12,19,35,.92);
      border-color:rgba(39,214,255,.26);
      box-shadow:0 22px 48px rgba(0,0,0,.26);
    }
    .category-link .mini{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .category-link h3{
      margin:0;
      font-size:20px;
    }
    .category-link p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .category-link .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(167,184,214,.12);
      color:#dbe5f6;
      font-size:12px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-card{
      padding:20px;
    }
    details{
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(167,184,214,.12);
      padding:16px 16px 14px;
      transition:var(--transition);
    }
    details + details{margin-top:12px}
    details:hover{
      border-color:rgba(124,92,255,.26);
      transform:translateY(-1px);
    }
    summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:#f0f5ff;
      font-weight:700;
      font-size:15px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(167,184,214,.12);
      color:#bcd0ef;
      flex:none;
    }
    details[open] summary::after{content:"–"}
    details p{
      margin:12px 0 0;
      color:var(--muted);
      font-size:14px;
    }

    .cta-box{
      padding:26px;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);
      gap:18px;
      align-items:center;
      background:
        radial-gradient(circle at top right, rgba(39,214,255,.16), transparent 30%),
        radial-gradient(circle at bottom left, rgba(124,92,255,.18), transparent 34%),
        rgba(12,19,35,.88);
    }
    .cta-box h2{
      margin:0 0 10px;
      font-size:clamp(24px, 3vw, 36px);
      line-height:1.14;
    }
    .cta-box p{
      margin:0;
      color:var(--muted);
      max-width:54ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }

    .site-footer{
      margin-top:20px;
      padding:26px 0 34px;
      border-top:1px solid rgba(167,184,214,.12);
      background:linear-gradient(180deg, rgba(6,11,22,.18), rgba(6,11,22,.5));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.4fr) auto;
      gap:24px;
      align-items:start;
      padding-bottom:18px;
      border-bottom:1px solid rgba(167,184,214,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      margin-bottom:12px;
    }
    .footer-text{
      margin:0;
      color:var(--muted);
      max-width:68ch;
      font-size:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      justify-items:end;
      align-content:start;
    }
    .footer-links a{
      color:#d9e5fb;
      font-size:14px;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      text-decoration:underline;
      text-decoration-color:rgba(39,214,255,.55);
      text-underline-offset:4px;
    }
    .copyright{
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      justify-content:space-between;
      color:var(--muted-2);
      font-size:13px;
      padding-top:16px;
    }

    .section-card{
      padding:22px;
    }

    .sticky-spacer{height:14px}
    .subtle-line{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(167,184,214,.18), transparent);
      margin:12px 0 0;
    }

    .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;
    }

    .mini-note{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(39,214,255,.08);
      border:1px solid rgba(39,214,255,.16);
      color:#def5ff;
      font-size:14px;
    }
    .mini-note strong{display:block;margin-bottom:4px}
    .mini-note svg{width:18px;height:18px;flex:none;margin-top:2px;color:var(--primary-2)}

    @media (max-width: 1024px){
      .hero-grid,
      .split,
      .cta-box{
        grid-template-columns:1fr;
      }
      .stats-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .timeline{
        grid-template-columns:1fr;
      }
      .faq-grid{
        grid-template-columns:1fr;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-links{
        justify-items:start;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }

    @media (max-width: 768px){
      .header-inner{
        min-height:68px;
      }
      .nav-toggle{
        display:inline-flex;
      }
      .nav-links{
        position:absolute;
        top:72px;
        left:16px;
        right:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:10px;
      }
      .site-header.nav-open .nav-links{
        display:flex;
      }
      .nav-links a{
        justify-content:flex-start;
      }
      .nav-links a.active::after{
        left:auto;
        right:16px;
        width:42px;
      }
      .hero-copy,
      .hero-panel,
      .section-card,
      .faq-card,
      .cta-box,
      .info-card,
      .contrast-box,
      .step,
      .category-link,
      .stat{
        border-radius:18px;
      }
      .hero-copy{
        padding:24px;
      }
      .panel-top{
        align-items:center;
      }
      .form-row{
        grid-template-columns:1fr;
      }
      .cards-grid,
      .category-links{
        grid-template-columns:1fr;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .submit-row{
        width:100%;
      }
      .btn{
        width:100%;
      }
      .nav-action{
        width:100%;
      }
      .copyright{
        flex-direction:column;
        align-items:flex-start;
      }
    }

    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .hero{
        padding-top:24px;
      }
      h1{
        font-size:clamp(30px, 11vw, 42px);
      }
      .hero-copy p,
      .cta-box p{
        font-size:15px;
      }
      .stats-grid{
        grid-template-columns:1fr;
      }
      .brand span{
        max-width:180px;
      }
      .hero-points{
        gap:8px;
      }
      .hero-points li{
        width:100%;
        justify-content:flex-start;
      }
      .info-card p,
      .step p,
      .category-link p,
      details p{
        font-size:13px;
      }
    }