/* roulang page: index */
:root {
      --bg: #07111f;
      --bg-soft: #0b1728;
      --panel: rgba(18, 34, 57, .72);
      --panel-solid: #10213a;
      --text: #f5f8ff;
      --muted: #9aaac1;
      --line: rgba(154, 170, 193, .16);
      --primary: #607dff;
      --primary-dark: #4565ec;
      --cyan: #45d9ef;
      --green: #51d6a1;
      --radius-lg: 28px;
      --radius-md: 20px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .25);
      --container: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background:
        radial-gradient(circle at 78% 8%, rgba(76, 103, 255, .13), transparent 30rem),
        radial-gradient(circle at 15% 35%, rgba(44, 214, 239, .06), transparent 24rem),
        var(--bg);
      color: var(--text);
      font-family: "Inter", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button:focus-visible, a:focus-visible {
      outline: 3px solid rgba(69, 217, 239, .65);
      outline-offset: 4px;
    }
    .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(7, 17, 31, .74);
      border-bottom: 1px solid rgba(255,255,255,.08);
      backdrop-filter: blur(18px);
    }
    .nav-wrap {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 800;
      letter-spacing: -.04em;
      white-space: nowrap;
      font-size: 20px;
    }
    .brand-mark {
      width: 35px;
      height: 35px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: white;
      background: linear-gradient(135deg, var(--primary), var(--cyan));
      box-shadow: 0 8px 22px rgba(85, 119, 255, .32);
    }
    .nav-links { display: flex; align-items: center; gap: 7px; }
    .nav-links a {
      color: #aab8cb;
      padding: 9px 14px;
      border-radius: 11px;
      font-size: 14px;
      transition: .25s ease;
    }
    .nav-links a:hover, .nav-links a.active {
      color: #fff;
      background: rgba(96,125,255,.13);
    }
    .nav-action, .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #7792ff);
      border: 1px solid rgba(255,255,255,.15);
      box-shadow: 0 12px 28px rgba(77, 101, 230, .25);
      border-radius: 13px;
      padding: 12px 18px;
      font-weight: 700;
      font-size: 14px;
      transition: .25s ease;
    }
    .nav-action:hover, .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg, #718dff, #8ca3ff);
      box-shadow: 0 17px 34px rgba(77, 101, 230, .36);
    }
    .menu-toggle { display: none; background: transparent; border: 0; color: #fff; font-size: 22px; }
    .hero {
      position: relative;
      padding: 92px 0 76px;
      min-height: 670px;
      display: flex;
      align-items: center;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 68px;
      align-items: center;
    }
    .eyebrow, .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #91aaff;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .09em;
      text-transform: uppercase;
    }
    .eyebrow i { color: var(--cyan); }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 720px;
      margin-bottom: 23px;
      font-size: clamp(42px, 5.2vw, 74px);
      line-height: 1.11;
      letter-spacing: -.065em;
      font-weight: 800;
    }
    .hero-copy {
      max-width: 650px;
      color: #aebbd0;
      font-size: 18px;
      line-height: 1.9;
      margin-bottom: 28px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin-bottom: 31px; }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 1px solid rgba(255,255,255,.16);
      color: #dce6f7;
      background: rgba(255,255,255,.045);
      border-radius: 13px;
      padding: 12px 18px;
      font-size: 14px;
      font-weight: 700;
      transition: .25s ease;
    }
    .btn-secondary:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.28); }
    .trust-line {
      display: flex;
      flex-wrap: wrap;
      gap: 19px;
      color: #8e9eb5;
      font-size: 13px;
    }
    .trust-line span { display: inline-flex; align-items: center; gap: 7px; }
    .trust-line i { color: var(--green); }
    .hero-stage {
      min-height: 470px;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .hero-orbit {
      position: absolute;
      width: 410px;
      height: 410px;
      border: 1px solid rgba(98, 129, 255, .22);
      border-radius: 50%;
      box-shadow: 0 0 90px rgba(70, 102, 255, .15);
    }
    .hero-orbit:before, .hero-orbit:after {
      content: "";
      position: absolute;
      border: 1px solid rgba(69, 217, 239, .16);
      border-radius: 50%;
      inset: 35px;
    }
    .hero-orbit:after { inset: 90px; border-color: rgba(255,255,255,.1); }
    .network-card {
      position: relative;
      z-index: 2;
      width: min(100%, 450px);
      overflow: hidden;
      background: rgba(15, 29, 49, .9);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 26px;
      box-shadow: var(--shadow);
      transform: rotate(2deg);
    }
    .network-photo { height: 190px; position: relative; overflow: hidden; }
    .network-photo img { width: 100%; height: 100%; object-fit: cover; opacity: .62; filter: saturate(1.15); }
    .network-photo:after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8,18,34,.05), rgba(8,18,34,.9));
    }
    .live-badge {
      position: absolute;
      z-index: 2;
      top: 17px;
      left: 17px;
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      color: #b8ffe1;
      background: rgba(10, 39, 39, .7);
      border: 1px solid rgba(81,214,161,.35);
      border-radius: 9px;
      font-size: 12px;
      font-weight: 700;
    }
    .live-badge i { font-size: 7px; }
    .network-content { padding: 22px; }
    .network-content h3 { margin-bottom: 15px; font-size: 20px; }
    .route-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 13px 0;
      border-top: 1px solid var(--line);
      color: #a8b7cb;
      font-size: 13px;
    }
    .route-row strong { color: #fff; font-size: 15px; }
    .latency { color: var(--green) !important; }
    .signal-bars { display: inline-flex; align-items: end; gap: 3px; height: 17px; }
    .signal-bars span { width: 4px; border-radius: 3px; background: var(--green); }
    .signal-bars span:nth-child(1){height:7px}.signal-bars span:nth-child(2){height:11px}.signal-bars span:nth-child(3){height:15px}.signal-bars span:nth-child(4){height:17px}
    .spark { position:absolute; width:6px; height:6px; border-radius:50%; background:var(--cyan); box-shadow:0 0 20px 7px rgba(69,217,239,.45); }
    .spark.one { top: 12%; right: 4%; }.spark.two { bottom: 11%; left: 5%; background:var(--primary); }
    .marquee {
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.025);
      overflow: hidden;
    }
    .marquee-track {
      display: flex;
      width: max-content;
      gap: 42px;
      padding: 14px 0;
      color: #7f91aa;
      font-size: 12px;
      animation: move 28s linear infinite;
    }
    .marquee-track span { display: inline-flex; align-items: center; gap: 9px; white-space: nowrap; }
    .marquee-track i { color: var(--cyan); font-size: 8px; }
    @keyframes move { to { transform: translateX(-50%); } }
    .section { padding: 98px 0; }
    .section-alt { background: linear-gradient(180deg, rgba(255,255,255,.024), rgba(255,255,255,.01)); border-top: 1px solid rgba(255,255,255,.045); border-bottom: 1px solid rgba(255,255,255,.045); }
    .section-head { max-width: 720px; margin-bottom: 38px; }
    .section-head h2 {
      margin: 11px 0 13px;
      font-size: clamp(29px, 4vw, 46px);
      line-height: 1.2;
      letter-spacing: -.05em;
    }
    .section-head p { color: var(--muted); font-size: 16px; line-height: 1.85; margin-bottom: 0; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .feature-card, .scene-card, .quote-card, .faq-card, .price-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    }
    .feature-card:hover, .scene-card:hover, .quote-card:hover, .price-card:hover {
      transform: translateY(-5px);
      border-color: rgba(104, 137, 255, .45);
      box-shadow: 0 18px 45px rgba(0,0,0,.2);
    }
    .feature-card { padding: 28px; min-height: 245px; }
    .icon-box {
      width: 45px; height: 45px; display: grid; place-items: center; margin-bottom: 22px;
      color: #b6c3ff; background: rgba(96,125,255,.14); border: 1px solid rgba(96,125,255,.25); border-radius: 14px;
    }
    .feature-card h3, .scene-card h3, .price-card h3 { font-size: 19px; margin-bottom: 10px; }
    .feature-card p, .scene-card p, .price-card p { color: var(--muted); font-size: 14px; line-height: 1.8; margin-bottom: 0; }
    .split-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: center; }
    .node-map {
      min-height: 400px; position: relative; overflow: hidden; border-radius: var(--radius-lg);
      background: #0b1b31 url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1100&q=80') center/cover;
      border: 1px solid var(--line);
    }
    .node-map:after { content:""; position:absolute; inset:0; background:linear-gradient(135deg,rgba(9,24,45,.91),rgba(15,32,65,.54)); }
    .map-label { position:absolute; z-index:2; left:27px; top:25px; color:#dbe6ff; font-size:13px; font-weight:700; }
    .map-label i { color: var(--cyan); margin-right: 7px; }
    .node-point { position:absolute; z-index:3; width:12px;height:12px;border-radius:50%;background:var(--cyan); box-shadow:0 0 0 7px rgba(69,217,239,.12),0 0 25px rgba(69,217,239,.75); }
    .node-point:after { content:""; position:absolute; width:125px; height:1px; left:6px; top:6px; background:linear-gradient(90deg,rgba(69,217,239,.75),transparent); transform:rotate(-20deg); transform-origin:left; }
    .p1{left:28%;top:48%}.p2{left:61%;top:31%}.p3{left:70%;top:67%}.p4{left:40%;top:76%}
    .node-info {
      position:absolute; z-index:4; right:25px; bottom:24px; width:190px; padding:16px;
      border-radius:16px; background:rgba(9,20,36,.8); border:1px solid rgba(255,255,255,.13); backdrop-filter:blur(12px);
    }
    .node-info small { color:#8d9db4; display:block; margin-bottom:5px; }.node-info strong { font-size:22px; color:#fff; }.node-info span { color:var(--green); font-size:12px; margin-left:8px; }
    .process-list { display: grid; gap: 14px; }
    .process-item { display: grid; grid-template-columns: 42px 1fr; gap: 17px; padding: 18px 0; border-bottom:1px solid var(--line); }
    .process-num { width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:rgba(96,125,255,.14);color:#9dafef;font-weight:800; }
    .process-item h3 { margin:0 0 5px; font-size:17px; }.process-item p { margin:0;color:var(--muted);font-size:14px;line-height:1.75; }
    .stats-grid { display:grid;grid-template-columns:repeat(4,1fr);gap:1px; background:var(--line); border:1px solid var(--line); border-radius:22px; overflow:hidden; }
    .stat { padding:30px 25px; background:#0d1b2e; }.stat strong { display:block;font-size:38px;line-height:1.2;letter-spacing:-.05em;color:#fff; }.stat span { color:var(--muted);font-size:13px; }
    .quote-card { padding:26px; }.quote-card .stars { color:#ffd36b; font-size:13px; margin-bottom:17px; }.quote-card blockquote { margin:0 0 21px;color:#d4ddec;font-size:15px;line-height:1.85; }.quote-user { display:flex;align-items:center;gap:11px;color:#91a1b8;font-size:12px; }.avatar { width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#627fff,#2abfdb);color:#fff;font-size:12px;font-weight:800; }
    .scene-card { padding:25px; min-height:205px; }.scene-card .scene-top { display:flex;justify-content:space-between;align-items:center;margin-bottom:24px; }.scene-card .scene-top i { color:#7f99ff;font-size:22px; }.scene-card .tag { color:#8e9eff;font-size:12px;background:rgba(96,125,255,.12);padding:5px 9px;border-radius:7px; }
    .content-list { display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:17px; }.content-item { padding:23px;background:#0d1a2c;border:1px solid var(--line);border-radius:18px; }.content-item time { color:#6981b5;font-size:12px; }.content-item h3 { font-size:17px;margin:13px 0 8px; }.content-item p { margin:0;color:var(--muted);font-size:13px;line-height:1.75; }
    .price-grid { display:grid;grid-template-columns:repeat(4,1fr);gap:15px; }.price-card { padding:24px; }.price-card.featured { border-color:rgba(96,125,255,.7); background:linear-gradient(180deg,rgba(96,125,255,.15),rgba(18,34,57,.72)); }.price-card .price { margin:16px 0 12px;font-size:30px;font-weight:800;letter-spacing:-.04em; }.price-card .price small { color:var(--muted);font-size:12px;font-weight:400; }.price-card ul { list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px;color:#a8b6ca;font-size:13px; }.price-card li i { color:var(--green);margin-right:8px; }.price-badge { display:inline-block;padding:5px 8px;border-radius:7px;background:rgba(69,217,239,.12);color:#70e2ef;font-size:11px; }
    .faq-grid { display:grid;grid-template-columns:1fr 1fr;gap:15px; }.faq-card { padding:23px 25px; }.faq-card h3 { margin:0 0 9px;font-size:16px; }.faq-card p { margin:0;color:var(--muted);font-size:14px;line-height:1.8; }
    .cta-section { padding:78px 0; }.cta-box { position:relative;overflow:hidden;padding:54px 60px;border-radius:30px;background:linear-gradient(115deg,#263b9c,#1a8ba6);border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow); }.cta-box:after { content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-80px;top:-150px; }.cta-box h2 { position:relative;z-index:1;max-width:650px;font-size:clamp(28px,4vw,43px);line-height:1.25;letter-spacing:-.05em;margin-bottom:14px; }.cta-box p { position:relative;z-index:1;max-width:650px;color:#d9e8ff;margin-bottom:25px; }.cta-box .btn-primary { position:relative;z-index:2;background:#fff;color:#1d3a97;box-shadow:none; }.cta-box .btn-primary:hover { background:#edf3ff; }
    footer { border-top:1px solid var(--line);padding:48px 0 25px;background:#060f1b; }.footer-grid { display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:38px; }.footer-brand p { max-width:300px;color:#8394ac;font-size:13px;line-height:1.8;margin-top:15px; }.footer-col h3 { font-size:13px;margin:2px 0 15px;color:#e4ebf8; }.footer-col a { display:block;color:#8191a8;font-size:13px;margin:9px 0;transition:.2s; }.footer-col a:hover { color:#fff; }.footer-bottom { display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line);color:#64758d;font-size:12px; }
    @media (max-width: 1024px) {
      .hero-grid,.split-grid { gap:35px; }.hero { padding-top:70px; }.grid-3 { grid-template-columns:repeat(2,1fr); }.price-grid { grid-template-columns:repeat(2,1fr); }.footer-grid { grid-template-columns:1.4fr repeat(2,1fr); }.footer-col:last-child { display:none; }
    }
    @media (max-width: 768px) {
      .container { width:min(var(--container),calc(100% - 30px)); }.nav-wrap { min-height:70px; }.menu-toggle { display:block; }.nav-links { display:none;position:absolute;left:15px;right:15px;top:70px;padding:10px;background:#0d1c30;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow); }.nav-links.open { display:grid; }.nav-links a { padding:12px 14px; }.nav-action { display:none; }
      .hero { padding:65px 0 55px;min-height:auto; }.hero-grid,.split-grid { grid-template-columns:1fr; }.hero-copy { font-size:16px; }.hero-stage { min-height:390px; }.hero-orbit { width:340px;height:340px; }.section { padding:70px 0; }.stats-grid { grid-template-columns:repeat(2,1fr); }.content-list { grid-template-columns:1fr 1fr; }.content-item:first-child { grid-column:span 2; }.cta-box { padding:40px 27px; }.footer-grid { grid-template-columns:1fr 1fr; }.footer-brand { grid-column:span 2; }
    }
    @media (max-width: 520px) {
      h1 { font-size:42px; }.hero-actions { align-items:stretch;flex-direction:column; }.hero-actions a { width:100%; }.trust-line { display:grid;gap:8px; }.grid-3,.price-grid,.faq-grid,.content-list { grid-template-columns:1fr; }.content-item:first-child { grid-column:auto; }.stats-grid { grid-template-columns:1fr 1fr; }.stat { padding:22px 15px; }.stat strong { font-size:29px; }.network-card { transform:none; }.hero-stage { min-height:355px; }.hero-orbit { width:295px;height:295px; }.node-map { min-height:330px; }.footer-grid { grid-template-columns:1fr; }.footer-brand { grid-column:auto; }.footer-col:last-child { display:block; }
    }

/* roulang page: category1 */
:root {
      --bg:#07111f;--bg-soft:#0b1728;--panel:rgba(18,34,57,.72);--panel-solid:#10213a;
      --text:#f5f8ff;--muted:#9aaac1;--line:rgba(154,170,193,.16);--primary:#607dff;
      --primary-dark:#4565ec;--cyan:#45d9ef;--green:#51d6a1;--orange:#ffbd70;
      --radius-lg:28px;--radius-md:20px;--shadow:0 24px 70px rgba(0,0,0,.25);--container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:radial-gradient(circle at 80% 5%,rgba(76,103,255,.14),transparent 29rem),radial-gradient(circle at 10% 42%,rgba(44,214,239,.06),transparent 25rem),var(--bg);color:var(--text);font-family:"Inter","Noto Sans SC",sans-serif;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    button,a{-webkit-tap-highlight-color:transparent}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(69,217,239,.65);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(7,17,31,.78);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(18px)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap;font-size:20px}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--cyan));box-shadow:0 8px 22px rgba(85,119,255,.32)}
    .nav-links{display:flex;align-items:center;gap:7px}
    .nav-links a{color:#aab8cb;padding:9px 14px;border-radius:11px;font-size:14px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(96,125,255,.13)}
    .nav-action,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:9px;color:#fff;background:linear-gradient(135deg,var(--primary),#7792ff);border:1px solid rgba(255,255,255,.15);box-shadow:0 12px 28px rgba(77,101,230,.25);border-radius:13px;padding:12px 18px;font-weight:700;font-size:14px;transition:.25s ease}
    .nav-action:hover,.btn-primary:hover{transform:translateY(-2px);background:linear-gradient(135deg,#718dff,#8ca3ff);box-shadow:0 17px 34px rgba(77,101,230,.36)}
    .menu-toggle{display:none;background:transparent;border:0;color:#fff;font-size:22px}
    .hero{position:relative;padding:92px 0 76px;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:68px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#91aaff;font-size:13px;font-weight:700;letter-spacing:.09em}
    .eyebrow i{color:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:-.065em;margin:16px 0 22px}
    .hero-copy{max-width:650px;color:#aebbd0;font-size:18px;line-height:1.9;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin-bottom:31px}
    .btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid rgba(255,255,255,.16);color:#dce6f7;background:rgba(255,255,255,.045);border-radius:13px;padding:12px 18px;font-size:14px;font-weight:700;transition:.25s ease}
    .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28)}
    .check-row{display:flex;flex-wrap:wrap;gap:10px;color:#b6c5d9;font-size:13px}
    .check-row span{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.035)}
    .check-row i{color:var(--green)}
    .hero-visual{position:relative;min-height:450px;display:flex;align-items:center;justify-content:center}
    .glow{position:absolute;width:390px;height:390px;border-radius:50%;background:rgba(81,125,255,.18);filter:blur(55px)}
    .dashboard{position:relative;z-index:2;width:min(100%,470px);padding:19px;border:1px solid rgba(255,255,255,.15);border-radius:27px;background:rgba(13,29,49,.9);box-shadow:var(--shadow);transform:rotate(2deg)}
    .dashboard-image{height:188px;overflow:hidden;border-radius:18px;position:relative}
    .dashboard-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(7,17,31,.85))}
    .dashboard-image img{width:100%;height:100%;object-fit:cover;opacity:.72}
    .status-pill{position:absolute;top:15px;left:15px;z-index:2;display:flex;align-items:center;gap:7px;padding:7px 10px;border-radius:9px;color:#b8ffe1;background:rgba(10,39,39,.76);border:1px solid rgba(81,214,161,.35);font-size:12px;font-weight:700}
    .status-pill i{font-size:7px}
    .dash-caption{position:absolute;left:18px;bottom:15px;z-index:2}
    .dash-caption strong{display:block;font-size:21px}.dash-caption span{color:#b5c4d7;font-size:12px}
    .route-box{padding:18px 4px 2px}.route-line{display:flex;align-items:center;gap:12px;margin-bottom:16px}
    .node-dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(69,217,239,.12)}
    .node-dot.purple{background:#8b9bff;box-shadow:0 0 0 6px rgba(139,155,255,.12)}
    .route-line div{flex:1;height:1px;background:linear-gradient(90deg,var(--cyan),#8392ff);position:relative}
    .route-line div:after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-radius:50%;background:#fff}
    .route-meta{display:flex;justify-content:space-between;color:#9eafc6;font-size:12px}
    .route-meta strong{color:#fff;font-size:15px}
    .section{padding:94px 0}.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.01));border-top:1px solid rgba(255,255,255,.045);border-bottom:1px solid rgba(255,255,255,.045)}
    .section-head{max-width:720px;margin-bottom:38px}.section-head h2{margin:10px 0 13px;font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.05em}.section-head p{color:var(--muted);font-size:16px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.info-card,.quote-card,.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);transition:.28s ease}
    .feature-card{padding:27px}.feature-card:hover,.info-card:hover,.quote-card:hover{transform:translateY(-5px);border-color:rgba(96,125,255,.45);box-shadow:var(--shadow)}
    .icon-box{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;color:#c5ceff;background:rgba(96,125,255,.16);font-size:20px;margin-bottom:23px}
    .feature-card:nth-child(2) .icon-box{color:#99f0f4;background:rgba(69,217,239,.12)}
    .feature-card:nth-child(3) .icon-box{color:#a7f2cf;background:rgba(81,214,161,.12)}
    .feature-card h3{font-size:19px;margin-bottom:10px}.feature-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .split{display:grid;grid-template-columns:.86fr 1.14fr;gap:70px;align-items:start}
    .split h2{font-size:clamp(30px,4vw,46px);line-height:1.22;letter-spacing:-.05em;margin:12px 0 16px}.split>div>p{color:var(--muted);font-size:16px}
    .signal-list{display:grid;gap:12px;margin-top:25px}.signal-list li{list-style:none;display:flex;gap:13px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);color:#c3cfdf;font-size:14px}.signal-list i{color:var(--cyan);margin-top:5px}
    .scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.info-card{padding:24px}.info-card .tag{display:inline-flex;padding:5px 9px;color:#aebdff;background:rgba(96,125,255,.13);border-radius:8px;font-size:12px;margin-bottom:17px}.info-card h3{font-size:18px;margin-bottom:8px}.info-card p{color:var(--muted);font-size:14px;margin:0}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;counter-reset:step}.process-item{position:relative;padding:23px 20px;border-top:1px solid rgba(96,125,255,.5)}.process-item:before{counter-increment:step;content:"0" counter(step);display:block;color:#7e92ff;font-size:12px;font-weight:800;margin-bottom:28px}.process-item h3{font-size:16px;margin-bottom:8px}.process-item p{color:var(--muted);font-size:13px;margin:0}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--line)}.stat{background:#0d1b2e;padding:28px 20px;text-align:center}.stat strong{display:block;font-size:34px;letter-spacing:-.06em}.stat span{color:var(--muted);font-size:13px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.quote-card{padding:25px}.stars{color:#ffc76b;font-size:13px;letter-spacing:3px;margin-bottom:16px}.quote-card p{color:#c4cfdf;font-size:14px;min-height:92px}.user{display:flex;align-items:center;gap:11px;color:#9dacc2;font-size:13px}.avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#566eff,#3eabbc)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{padding:19px 21px}.faq-item summary{cursor:pointer;font-weight:700;font-size:15px;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:var(--cyan);font-size:19px}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta{padding:70px 0}.cta-box{position:relative;overflow:hidden;padding:52px 58px;border-radius:28px;background:linear-gradient(120deg,rgba(76,98,230,.9),rgba(27,120,150,.82));border:1px solid rgba(255,255,255,.2);box-shadow:var(--shadow)}.cta-box:after{content:"";position:absolute;width:300px;height:300px;right:-80px;top:-150px;border-radius:50%;border:1px solid rgba(255,255,255,.2);box-shadow:0 0 0 35px rgba(255,255,255,.04),0 0 0 70px rgba(255,255,255,.03)}.cta-box h2{position:relative;z-index:1;font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.05em;margin-bottom:12px}.cta-box p{position:relative;z-index:1;max-width:650px;color:#dce7ff;margin-bottom:24px}.cta-box .btn-secondary{position:relative;z-index:1;background:rgba(7,17,31,.23);border-color:rgba(255,255,255,.3)}
    footer{padding:62px 0 24px;border-top:1px solid rgba(255,255,255,.07);background:rgba(4,11,20,.35)}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}.footer-brand p{max-width:310px;color:var(--muted);font-size:13px;margin-top:17px}.footer-col{display:flex;flex-direction:column;gap:10px}.footer-col h3{font-size:14px;margin:0 0 7px;color:#e4ebf8}.footer-col a{color:#91a1b7;font-size:13px;transition:.2s}.footer-col a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:27px;margin-top:35px;border-top:1px solid var(--line);color:#718198;font-size:12px}
    @media(max-width:1024px){.hero-grid{gap:35px}.nav-links a{padding:9px 9px}.split{gap:35px}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 30px))}.nav-wrap{min-height:70px}.menu-toggle{display:block}.nav-action{display:none}.nav-links{display:none;position:absolute;left:15px;right:15px;top:68px;padding:10px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:16px;background:#0c1a2c;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{text-align:center}.hero{padding:65px 0 55px}.hero-grid,.split{grid-template-columns:1fr}.hero-visual{min-height:370px;order:-1}.hero-copy{font-size:16px}.feature-grid,.quote-grid{grid-template-columns:1fr}.process{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}}
    @media(max-width:520px){h1{font-size:42px}.section{padding:68px 0}.hero-actions a{width:100%}.dashboard{transform:none}.scenario-grid,.faq-grid,.process{grid-template-columns:1fr}.stats strong{font-size:28px}.cta-box{padding:34px 25px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{font-size:11px}}

/* roulang page: category3 */
:root {
      --bg: #07111f;
      --bg-soft: #0b1728;
      --panel: rgba(18, 34, 57, .72);
      --panel-solid: #10213a;
      --text: #f5f8ff;
      --muted: #9aaac1;
      --line: rgba(154, 170, 193, .16);
      --primary: #607dff;
      --primary-dark: #4565ec;
      --cyan: #45d9ef;
      --green: #51d6a1;
      --orange: #ffb86b;
      --radius-lg: 28px;
      --radius-md: 20px;
      --shadow: 0 24px 70px rgba(0,0,0,.25);
      --container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background:
        radial-gradient(circle at 78% 8%, rgba(76,103,255,.13), transparent 30rem),
        radial-gradient(circle at 15% 35%, rgba(44,214,239,.06), transparent 24rem),
        var(--bg);
      color: var(--text);
      font-family: "Inter", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
    }
    body:before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .2;
      background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 54px 54px;
      mask-image: linear-gradient(to bottom, black, transparent 72%);
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button:focus-visible, a:focus-visible, summary:focus-visible {
      outline: 3px solid rgba(69,217,239,.65);
      outline-offset: 4px;
    }
    .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(7,17,31,.74);
      border-bottom: 1px solid rgba(255,255,255,.08);
      backdrop-filter: blur(18px);
    }
    .nav-wrap {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 800;
      letter-spacing: -.04em;
      white-space: nowrap;
      font-size: 20px;
    }
    .brand-mark {
      width: 35px;
      height: 35px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #fff;
      background: linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow: 0 8px 22px rgba(85,119,255,.32);
    }
    .nav-links { display: flex; align-items: center; gap: 7px; }
    .nav-links a {
      color: #aab8cb;
      padding: 9px 14px;
      border-radius: 11px;
      font-size: 14px;
      transition: .25s ease;
    }
    .nav-links a:hover, .nav-links a.active {
      color: #fff;
      background: rgba(96,125,255,.13);
    }
    .nav-action, .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      color: #fff;
      background: linear-gradient(135deg,var(--primary),#7792ff);
      border: 1px solid rgba(255,255,255,.15);
      box-shadow: 0 12px 28px rgba(77,101,230,.25);
      border-radius: 13px;
      padding: 12px 18px;
      font-weight: 700;
      font-size: 14px;
      transition: .25s ease;
    }
    .nav-action:hover, .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg,#718dff,#8ca3ff);
      box-shadow: 0 17px 34px rgba(77,101,230,.36);
    }
    .menu-toggle {
      display: none;
      background: transparent;
      border: 0;
      color: #fff;
      font-size: 22px;
      cursor: pointer;
    }

    .page-hero {
      position: relative;
      padding: 80px 0 72px;
      border-bottom: 1px solid rgba(255,255,255,.06);
      overflow: hidden;
    }
    .page-hero:after {
      content: "";
      position: absolute;
      width: 460px;
      height: 460px;
      right: -130px;
      top: -120px;
      border: 1px solid rgba(96,125,255,.18);
      border-radius: 50%;
      box-shadow: 0 0 100px rgba(77,101,230,.14);
    }
    .hero-layout {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 70px;
      align-items: center;
    }
    .eyebrow, .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #91aaff;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .09em;
    }
    .eyebrow i, .section-kicker i { color: var(--cyan); }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 710px;
      margin: 15px 0 18px;
      font-size: clamp(38px, 5vw, 68px);
      line-height: 1.12;
      letter-spacing: -.065em;
    }
    .hero-summary {
      max-width: 650px;
      color: #aebbd0;
      font-size: 17px;
      line-height: 1.9;
      margin-bottom: 26px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 13px;
      margin-bottom: 25px;
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 1px solid rgba(255,255,255,.16);
      color: #dce6f7;
      background: rgba(255,255,255,.045);
      border-radius: 13px;
      padding: 12px 18px;
      font-size: 14px;
      font-weight: 700;
      transition: .25s ease;
    }
    .btn-secondary:hover {
      background: rgba(255,255,255,.1);
      border-color: rgba(255,255,255,.28);
    }
    .hero-note {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #8fa1ba;
      font-size: 13px;
    }
    .hero-note i { color: var(--green); }
    .profile-panel {
      position: relative;
      min-height: 340px;
      padding: 28px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 28px;
      background: linear-gradient(145deg, rgba(24,44,74,.9), rgba(11,24,43,.78));
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .profile-panel:before {
      content: "";
      position: absolute;
      width: 210px;
      height: 210px;
      top: -85px;
      right: -55px;
      border-radius: 50%;
      background: rgba(69,217,239,.14);
      filter: blur(3px);
    }
    .profile-top {
      position: relative;
      display: flex;
      align-items: center;
      gap: 17px;
      margin-bottom: 30px;
    }
    .profile-avatar {
      width: 64px;
      height: 64px;
      display: grid;
      place-items: center;
      border-radius: 21px;
      color: #fff;
      font-size: 27px;
      background: linear-gradient(135deg,#667fff,#36cee3);
      box-shadow: 0 12px 28px rgba(58,111,240,.3);
    }
    .profile-top h2 { margin: 0 0 3px; font-size: 21px; letter-spacing: -.04em; }
    .profile-top p { margin: 0; color: var(--muted); font-size: 13px; }
    .follow-button {
      margin-left: auto;
      padding: 8px 13px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 10px;
      color: #dce6f7;
      background: rgba(255,255,255,.06);
      font-size: 12px;
      font-weight: 700;
    }
    .profile-badges {
      position: relative;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 27px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 999px;
      color: #bac9dd;
      background: rgba(255,255,255,.05);
      font-size: 12px;
    }
    .badge i { color: var(--cyan); }
    .profile-graph {
      position: relative;
      height: 98px;
      display: flex;
      align-items: end;
      gap: 8px;
      padding: 14px 8px 0;
      border-bottom: 1px solid rgba(255,255,255,.13);
      background: repeating-linear-gradient(to top, transparent 0, transparent 31px, rgba(255,255,255,.06) 32px);
    }
    .profile-graph span {
      flex: 1;
      min-width: 7px;
      border-radius: 7px 7px 0 0;
      background: linear-gradient(to top,var(--primary),var(--cyan));
      opacity: .85;
    }
    .profile-graph span:nth-child(1){height:42%}.profile-graph span:nth-child(2){height:55%}.profile-graph span:nth-child(3){height:48%}.profile-graph span:nth-child(4){height:72%}.profile-graph span:nth-child(5){height:61%}.profile-graph span:nth-child(6){height:82%}.profile-graph span:nth-child(7){height:69%}.profile-graph span:nth-child(8){height:91%}.profile-graph span:nth-child(9){height:78%}.profile-graph span:nth-child(10){height:95%}.profile-graph span:nth-child(11){height:86%}.profile-graph span:nth-child(12){height:98%}
    .graph-caption {
      display: flex;
      justify-content: space-between;
      color: #8fa1ba;
      font-size: 12px;
      margin-top: 12px;
    }
    .section { padding: 92px 0; }
    .section-alt {
      background: linear-gradient(180deg,rgba(255,255,255,.024),rgba(255,255,255,.01));
      border-top: 1px solid rgba(255,255,255,.045);
      border-bottom: 1px solid rgba(255,255,255,.045);
    }
    .section-head { max-width: 700px; margin-bottom: 36px; }
    .section-head h2 {
      margin: 10px 0 12px;
      font-size: clamp(29px,4vw,45px);
      line-height: 1.2;
      letter-spacing: -.055em;
    }
    .section-head p { color: var(--muted); font-size: 16px; line-height: 1.85; }
    .section-head.split {
      max-width: none;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 30px;
    }
    .section-head.split > div:first-child { max-width: 650px; }
    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #a9b8ff;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
      transition: .25s ease;
    }
    .text-link:hover { color: #fff; gap: 12px; }
    .status-grid {
      display: grid;
      grid-template-columns: 1.18fr .82fr;
      gap: 22px;
    }
    .status-card, .region-card, .insight-card, .faq-item, .cta-panel {
      border: 1px solid var(--line);
      background: var(--panel);
      box-shadow: 0 16px 48px rgba(0,0,0,.12);
      border-radius: var(--radius-lg);
    }
    .status-card { padding: 27px; }
    .status-card.large { min-height: 300px; }
    .card-heading {
      display: flex;
      align-items: start;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 24px;
    }
    .card-heading h3 { margin: 0 0 5px; font-size: 21px; letter-spacing: -.035em; }
    .card-heading p { margin: 0; color: var(--muted); font-size: 13px; }
    .online {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #9ef1cc;
      font-size: 12px;
      white-space: nowrap;
    }
    .online i { font-size: 8px; }
    .route-list { display: grid; gap: 13px; }
    .route-item {
      display: grid;
      grid-template-columns: 1.2fr .8fr 74px;
      align-items: center;
      gap: 15px;
      padding: 13px 0;
      border-top: 1px solid var(--line);
      font-size: 13px;
    }
    .route-name { display: flex; align-items: center; gap: 10px; color: #dfe8f6; }
    .route-icon {
      width: 29px;
      height: 29px;
      display: grid;
      place-items: center;
      border-radius: 9px;
      color: var(--cyan);
      background: rgba(69,217,239,.1);
    }
    .route-bar { height: 6px; border-radius: 10px; background: rgba(255,255,255,.08); overflow: hidden; }
    .route-bar span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--primary),var(--cyan)); }
    .route-value { color: #dce6f7; text-align: right; font-weight: 700; }
    .metric-stack { display: grid; gap: 14px; }
    .metric-box {
      padding: 18px;
      border-radius: 18px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.08);
    }
    .metric-box small { color: var(--muted); font-size: 12px; }
    .metric-box strong { display: block; margin-top: 3px; font-size: 28px; letter-spacing: -.05em; }
    .metric-box strong em { color: var(--green); font-style: normal; font-size: 13px; margin-left: 7px; letter-spacing: 0; }

    .region-layout {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: stretch;
    }
    .region-copy { padding: 15px 0; }
    .region-copy h3 { margin: 13px 0 15px; font-size: 30px; line-height: 1.3; letter-spacing: -.05em; }
    .region-copy p { color: var(--muted); line-height: 1.9; }
    .region-points { display: grid; gap: 14px; margin-top: 25px; }
    .region-points li { display: flex; align-items: start; gap: 11px; color: #cad6e7; font-size: 14px; list-style: none; }
    .region-points i { color: var(--green); margin-top: 5px; }
    .region-map {
      min-height: 330px;
      position: relative;
      overflow: hidden;
      padding: 28px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(17,39,69,.95),rgba(9,23,41,.94)),
        url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1000&q=80") center/cover;
    }
    .region-map:after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg,rgba(7,17,31,.22),rgba(7,17,31,.78));
    }
    .map-lines { position: absolute; inset: 0; z-index: 1; opacity: .55; background: linear-gradient(27deg,transparent 48%,rgba(69,217,239,.35) 49%,transparent 50%), linear-gradient(152deg,transparent 47%,rgba(96,125,255,.38) 48%,transparent 49%), linear-gradient(72deg,transparent 56%,rgba(255,255,255,.18) 57%,transparent 58%); }
    .map-title { position: relative; z-index: 2; color: #dbe8fb; font-size: 13px; font-weight: 700; }
    .map-node {
      position: absolute;
      z-index: 3;
      display: flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      font-size: 12px;
      font-weight: 700;
    }
    .map-node span { width: 10px; height: 10px; display: block; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(69,217,239,.13), 0 0 22px var(--cyan); }
    .node-a { left: 19%; top: 38%; }.node-b { left: 51%; top: 27%; }.node-c { right: 16%; top: 51%; }.node-d { left: 42%; bottom: 19%; }
    .region-legend { position: absolute; z-index: 2; bottom: 22px; left: 28px; display: flex; gap: 16px; color: #9eafc6; font-size: 12px; }

    .principles {
      display: grid;
      grid-template-columns: repeat(3,1fr);
      gap: 18px;
    }
    .principle-card {
      min-height: 210px;
      padding: 25px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(16,33,58,.58);
      transition: .25s ease;
    }
    .principle-card:hover { transform: translateY(-5px); border-color: rgba(96,125,255,.5); box-shadow: var(--shadow); }
    .icon-box {
      width: 45px;
      height: 45px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: var(--cyan);
      background: rgba(69,217,239,.1);
      font-size: 18px;
      margin-bottom: 18px;
    }
    .principle-card h3 { margin-bottom: 8px; font-size: 18px; }
    .principle-card p { color: var(--muted); font-size: 14px; line-height: 1.8; }

    .insight-grid {
      display: grid;
      grid-template-columns: repeat(3,1fr);
      gap: 18px;
    }
    .insight-card {
      padding: 24px;
      min-height: 235px;
      transition: .25s ease;
    }
    .insight-card:hover { transform: translateY(-4px); border-color: rgba(96,125,255,.4); }
    .insight-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #8395af;
      font-size: 12px;
      margin-bottom: 24px;
    }
    .insight-tag { color: #9eafff; }
    .insight-card h3 { font-size: 19px; line-height: 1.45; margin-bottom: 12px; letter-spacing: -.03em; }
    .insight-card p { color: var(--muted); font-size: 14px; line-height: 1.8; }
    .insight-more { display: inline-flex; gap: 8px; color: #b7c4ff; font-size: 13px; font-weight: 700; margin-top: 9px; }

    .faq-layout {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 55px;
      align-items: start;
    }
    .faq-intro h2 { margin: 11px 0 14px; font-size: 39px; line-height: 1.22; letter-spacing: -.055em; }
    .faq-intro p { color: var(--muted); line-height: 1.9; }
    .faq-list { display: grid; gap: 11px; }
    .faq-item { padding: 0 21px; border-radius: 17px; }
    .faq-item summary {
      cursor: pointer;
      list-style: none;
      padding: 18px 0;
      color: #e7eef9;
      font-size: 15px;
      font-weight: 700;
      display: flex;
      justify-content: space-between;
      gap: 15px;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary:after { content: "\f107"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--cyan); transition: .2s; }
    .faq-item[open] summary:after { transform: rotate(180deg); }
    .faq-item p { color: var(--muted); font-size: 14px; line-height: 1.85; padding: 0 0 18px; margin: 0; }

    .cta-panel {
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      padding: 39px 43px;
      background: linear-gradient(110deg,rgba(42,61,131,.66),rgba(13,39,64,.82));
    }
    .cta-panel:after {
      content: "";
      position: absolute;
      width: 280px;
      height: 280px;
      right: -75px;
      top: -115px;
      border: 1px solid rgba(69,217,239,.25);
      border-radius: 50%;
    }
    .cta-panel h2 { position: relative; z-index: 1; margin: 10px 0 9px; font-size: 31px; letter-spacing: -.045em; }
    .cta-panel p { position: relative; z-index: 1; margin: 0; color: #bac9df; font-size: 14px; }
    .cta-panel .btn-primary { position: relative; z-index: 2; white-space: nowrap; }

    footer {
      padding: 62px 0 24px;
      border-top: 1px solid rgba(255,255,255,.07);
      background: rgba(5,13,24,.45);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr;
      gap: 35px;
      padding-bottom: 43px;
    }
    .footer-brand p { max-width: 315px; color: var(--muted); font-size: 13px; line-height: 1.8; margin-top: 18px; }
    .footer-col { display: flex; flex-direction: column; gap: 10px; }
    .footer-col h3 { margin: 0 0 9px; font-size: 14px; color: #e3ebf8; }
    .footer-col a { width: fit-content; color: #8e9fb8; font-size: 13px; transition: .2s; }
    .footer-col a:hover { color: #fff; transform: translateX(3px); }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding-top: 21px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: #73859f;
      font-size: 12px;
    }

    @media (max-width: 1024px) {
      .hero-layout, .status-grid, .region-layout { grid-template-columns: 1fr; }
      .hero-layout { gap: 38px; }
      .profile-panel { max-width: 680px; }
      .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
      .footer-brand { grid-column: 1 / -1; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .menu-toggle { display: block; }
      .nav-action { display: none; }
      .nav-links {
        display: none;
        position: absolute;
        left: 15px;
        right: 15px;
        top: 70px;
        padding: 10px;
        flex-direction: column;
        align-items: stretch;
        background: rgba(9,22,40,.98);
        border: 1px solid var(--line);
        border-radius: 17px;
        box-shadow: var(--shadow);
      }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 12px 14px; }
      .page-hero { padding: 58px 0 54px; }
      h1 { font-size: clamp(37px, 11vw, 55px); }
      .section { padding: 68px 0; }
      .section-head.split, .cta-panel { display: block; }
      .section-head.split .text-link { margin-top: 8px; }
      .principles, .insight-grid { grid-template-columns: 1fr; }
      .faq-layout { grid-template-columns: 1fr; gap: 28px; }
      .faq-intro h2 { font-size: 33px; }
      .cta-panel { padding: 31px 25px; }
      .cta-panel .btn-primary { margin-top: 22px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { flex-direction: column; gap: 8px; }
    }
    @media (max-width: 520px) {
      .nav-wrap { min-height: 70px; }
      .profile-panel { padding: 21px; }
      .profile-top { align-items: start; }
      .follow-button { display: none; }
      .route-item { grid-template-columns: 1fr 70px; }
      .route-bar { display: none; }
      .region-map { min-height: 270px; padding: 21px; }
      .region-legend { left: 21px; bottom: 17px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-brand { grid-column: auto; }
    }

/* roulang page: category2 */
:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --panel: rgba(18, 34, 57, .72);
  --panel-solid: #10213a;
  --text: #f5f8ff;
  --muted: #9aaac1;
  --line: rgba(154, 170, 193, .16);
  --primary: #607dff;
  --primary-dark: #4565ec;
  --cyan: #45d9ef;
  --green: #51d6a1;
  --radius-lg: 28px;
  --radius-md: 20px;
  --shadow: 0 24px 70px rgba(0, 0, 0, .25);
  --container: 1180px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 8%, rgba(76, 103, 255, .13), transparent 30rem),
    radial-gradient(circle at 15% 35%, rgba(44, 214, 239, .06), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: "Inter", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { letter-spacing: -.045em; line-height: 1.22; font-weight: 800; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font-family: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(69, 217, 239, .65);
  outline-offset: 4px;
}
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 17, 31, .74);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  position: relative;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  font-weight: 800;
  letter-spacing: -.04em;
  white-space: nowrap;
  font-size: 20px;
}
.brand-mark {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  box-shadow: 0 8px 22px rgba(85, 119, 255, .32);
}
.nav-links { display: flex; align-items: center; gap: 7px; }
.nav-links a {
  color: #aab8cb;
  padding: 9px 14px;
  border-radius: 11px;
  font-size: 14px;
  transition: .25s ease;
}
.nav-links a:hover, .nav-links a.active {
  color: #fff;
  background: rgba(96,125,255,.13);
}
.nav-action, .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #7792ff);
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: 0 12px 28px rgba(77, 101, 230, .25);
  border-radius: 13px;
  padding: 12px 18px;
  font-weight: 700;
  font-size: 14px;
  transition: .25s ease;
  cursor: pointer;
}
.nav-action:hover, .btn-primary:hover, .btn-primary:active {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #718dff, #8ca3ff);
  box-shadow: 0 17px 34px rgba(77, 101, 230, .36);
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}
.hero { position: relative; padding: 42px 0 28px; }
.flash-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 34px;
  padding: 14px 16px 14px 18px;
  border: 1px solid rgba(69, 217, 239, .22);
  border-radius: 18px;
  background: linear-gradient(90deg, rgba(69,217,239,.1), rgba(96,125,255,.1) 42%, rgba(16,33,58,.65));
  box-shadow: 0 16px 40px rgba(0,0,0,.16);
}
.flash-copy { display: flex; align-items: center; gap: 14px; min-width: 0; }
.flash-copy strong { display: block; font-size: 15px; letter-spacing: -.02em; }
.flash-copy span { display: block; color: var(--muted); font-size: 13px; }
.pulse {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #082028;
  background: linear-gradient(135deg, var(--cyan), #8af0ff);
}
.count { display: flex; gap: 8px; }
.count b {
  min-width: 64px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 8px 7px;
  border-radius: 12px;
  background: rgba(5, 12, 24, .55);
  border: 1px solid rgba(255,255,255,.08);
  font-size: 22px;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.count small { margin-top: 3px; color: #9eb0c8; font-size: 11px; font-weight: 600; letter-spacing: .08em; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 54px;
  align-items: center;
}
.eyebrow, .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #91aaff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.eyebrow i, .section-kicker i { color: var(--cyan); }
.hero h1 { margin: 14px 0 16px; font-size: clamp(38px, 5vw, 64px); max-width: 680px; }
.hero-copy { max-width: 640px; color: #aebbd0; font-size: 18px; line-height: 1.9; margin-bottom: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin-bottom: 26px; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid rgba(255,255,255,.16);
  color: #dce6f7;
  background: rgba(255,255,255,.045);
  border-radius: 13px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
  transition: .25s ease;
}
.btn-secondary:hover, .btn-secondary:active { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.28); }
.mini-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.mini-points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d5e2f5;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
}
.mini-points i { color: var(--green); }
.offer-card {
  overflow: hidden;
  background: rgba(15, 29, 49, .92);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 26px;
  box-shadow: var(--shadow);
}
.offer-visual { position: relative; height: 188px; }
.offer-visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.05); }
.offer-visual:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,17,31,.05), rgba(7,17,31,.78));
}
.offer-badge, .live-dot {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  color: #dffbff;
  background: rgba(8, 28, 46, .78);
  border: 1px solid rgba(69,217,239,.38);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.offer-body { padding: 22px 22px 24px; }
.offer-body h2 { font-size: 28px; margin-bottom: 6px; }
.offer-body .desc { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.price-row { display: flex; align-items: flex-end; gap: 12px; margin-bottom: 16px; }
.price-row strong { font-size: 52px; line-height: .9; letter-spacing: -.06em; }
.price-row strong em { font-style: normal; font-size: 18px; margin-right: 2px; }
.old-price { color: #8ea0b8; text-decoration: line-through; margin-bottom: 7px; }
.benefit-list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 9px; }
.benefit-list li { display: flex; gap: 9px; align-items: flex-start; color: #d5e0f0; font-size: 14px; }
.benefit-list i { color: var(--cyan); margin-top: 4px; }
.offer-body .btn-primary { width: 100%; }
.fine-print { margin-top: 12px; color: #8ea0b8; font-size: 12px; line-height: 1.7; }
.marquee-wrap { margin-top: 34px; border-top: 1px solid rgba(255,255,255,.06); padding-top: 18px; }
.marquee-label { color: #8ea0b8; font-size: 12px; letter-spacing: .14em; font-weight: 700; margin-bottom: 10px; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 12px; width: max-content; animation: ticker 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 14px;
  border-radius: 999px;
  color: #dbe6f6;
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 650;
}
.chip i { color: #9eb0ff; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.section { padding: 92px 0; }
.section-alt {
  background: linear-gradient(180deg, rgba(255,255,255,.024), rgba(255,255,255,.01));
  border-top: 1px solid rgba(255,255,255,.045);
  border-bottom: 1px solid rgba(255,255,255,.045);
}
.section-head { max-width: 740px; margin-bottom: 34px; }
.section-head h2 { margin: 11px 0 13px; font-size: clamp(29px, 4vw, 46px); }
.section-head p { color: var(--muted); font-size: 16px; line-height: 1.85; }
.pain-grid, .split-top, .quote-layout, .cta-grid, .result-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}
.pain-grid { grid-template-columns: .9fr 1.1fr; }
.pain-lead {
  padding: 8px 8px 8px 0;
}
.pain-lead h2 { font-size: clamp(32px, 4vw, 48px); margin: 12px 0 16px; }
.pain-lead p { color: var(--muted); font-size: 16px; }
.issue-list { display: grid; gap: 14px; }
.issue {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(16, 33, 58, .78);
  border: 1px solid var(--line);
  transition: .25s ease;
}
.issue:hover { transform: translateX(4px); border-color: rgba(96,125,255,.4); box-shadow: 0 16px 36px rgba(0,0,0,.18); }
.issue i {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  background: rgba(96,125,255,.16);
}
.issue h3 { font-size: 18px; margin-bottom: 4px; }
.issue p { color: var(--muted); font-size: 14px; }
.solution-list { display: grid; gap: 16px; }
.sol-row {
  display: grid;
  grid-template-columns: 220px 1fr 180px;
  gap: 22px;
  align-items: center;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: .25s ease;
}
.sol-row:hover { border-color: rgba(69,217,239,.35); transform: translateY(-3px); box-shadow: var(--shadow); }
.sol-index { color: #7f93ff; font-weight: 800; letter-spacing: .08em; font-size: 13px; }
.sol-row h3 { font-size: 22px; margin: 4px 0 6px; }
.sol-row p { color: var(--muted); }
.sol-side {
  justify-self: end;
  text-align: right;
  color: #d7fff1;
  font-weight: 800;
}
.sol-side span { display: block; color: #8ea0b8; font-size: 12px; font-weight: 600; margin-bottom: 4px; }
.step-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  position: relative;
}
.step {
  min-height: 230px;
  padding: 22px 20px;
  border-radius: 24px;
  background: #0d1c32;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.step:before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
}
.step em {
  display: block;
  font-style: normal;
  color: var(--cyan);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .08em;
  margin-bottom: 28px;
}
.step h3 { font-size: 20px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14px; }
.result-grid { grid-template-columns: 1.15fr .85fr; }
.stat-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat {
  padding: 22px;
  border-radius: 22px;
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
}
.stat b { display: block; font-size: 36px; letter-spacing: -.05em; line-height: 1; margin-bottom: 8px; }
.stat span { color: var(--muted); font-size: 14px; }
.result-copy {
  padding: 28px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(96,125,255,.16), rgba(16,33,58,.2)),
    #0e1d34;
  border: 1px solid rgba(96,125,255,.22);
}
.result-copy h2 { font-size: clamp(28px, 3vw, 40px); margin: 10px 0 14px; }
.result-copy p { color: #c5d2e6; margin-bottom: 14px; }
.metric-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.metric-line span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(7,17,31,.45);
  border: 1px solid rgba(255,255,255,.08);
  color: #e7eefb;
  font-size: 13px;
  font-weight: 700;
}
.quote-layout { grid-template-columns: 1.25fr .75fr; align-items: stretch; }
.quote-main, .quote {
  padding: 26px;
  border-radius: 26px;
  background: rgba(16,33,58,.8);
  border: 1px solid var(--line);
}
.quote-main { min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.quote-main p, .quote p { color: #e7eef8; font-size: 18px; line-height: 1.85; }
.who { display: flex; align-items: center; gap: 12px; margin-top: 22px; }
.avatar {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
}
.who small { display: block; color: var(--muted); }
.quote-side { display: grid; gap: 14px; }
.quote p { font-size: 15px; }
.people { display: grid; grid-template-columns: 280px 1fr; gap: 28px; }
.person-list { display: grid; gap: 12px; }
.person {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  transition: .25s ease;
}
.person:hover { background: rgba(96,125,255,.08); }
.person b { color: #9eb0ff; font-size: 14px; letter-spacing: .06em; }
.person h3 { font-size: 18px; margin-bottom: 4px; }
.person p { color: var(--muted); font-size: 14px; }
.news-list { display: grid; gap: 12px; }
.news-item {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border-radius: 20px;
  background: #0d1c32;
  border: 1px solid var(--line);
  transition: .25s ease;
}
.news-item:hover { border-color: rgba(69,217,239,.32); transform: translateY(-2px); }
.news-item time { color: var(--cyan); font-weight: 800; font-size: 14px; }
.news-item h3 { font-size: 18px; margin-bottom: 4px; }
.news-item p { color: var(--muted); font-size: 14px; }
.tag {
  justify-self: end;
  color: #d9e4f5;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(96,125,255,.14);
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: #dce7ff;
  font-weight: 800;
}
.more-link:hover { color: #fff; gap: 12px; }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border-radius: 18px;
  background: rgba(16,33,58,.72);
  border: 1px solid var(--line);
  padding: 6px 18px;
}
.faq-item[open] { border-color: rgba(96,125,255,.45); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  font-weight: 800;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; color: var(--cyan); font-size: 22px; font-weight: 500; }
.faq-item[open] summary:after { content: "–"; }
.faq-item p { color: var(--muted); padding-bottom: 16px; }
.cta-panel {
  padding: 34px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 90% 10%, rgba(69,217,239,.18), transparent 16rem),
    linear-gradient(135deg, #1a2d86, #121c3d 55%, #102033);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
}
.cta-grid { grid-template-columns: 1.2fr .8fr; }
.cta-panel h2 { font-size: clamp(30px, 4vw, 46px); margin: 10px 0 12px; }
.cta-panel p { color: #d5e0f2; }
.store-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.store-row a {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  font-weight: 700;
  transition: .25s ease;
}
.store-row a:hover { background: rgba(255,255,255,.16); }
.contact-card {
  padding: 22px;
  border-radius: 22px;
  background: rgba(5, 10, 22, .35);
  border: 1px solid rgba(255,255,255,.1);
}
.contact-card h3 { margin-bottom: 10px; font-size: 18px; }
.contact-card p { color: #c9d6ea; font-size: 14px; margin-bottom: 8px; }
footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 64px 0 28px;
  background: #060e1b;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .7fr .7fr; gap: 36px; }
.footer-brand p { color: var(--muted); max-width: 360px; margin-top: 14px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h3 { font-size: 15px; margin-bottom: 6px; }
.footer-col a { color: #aab8cb; font-size: 14px; transition: .2s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #8ea0b8;
  font-size: 13px;
}
@media (max-width: 1024px) {
  .hero-grid, .pain-grid, .result-grid, .quote-layout, .people, .cta-grid, .footer-grid, .step-rail { grid-template-columns: 1fr 1fr; }
  .sol-row { grid-template-columns: 1fr; }
  .sol-side { justify-self: start; text-align: left; }
  .people { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .step { min-height: 0; }
}
@media (max-width: 768px) {
  .menu-toggle { display: inline-flex; }
  .nav-action { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: rgba(7,17,31,.97);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .hero-grid, .pain-grid, .result-grid, .quote-layout, .step-rail, .stat-board, .footer-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .tag { justify-self: start; }
  .flash-bar { flex-direction: column; align-items: flex-start; }
  .section { padding: 72px 0; }
  .cta-panel { padding: 24px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .hero h1 { font-size: 34px; }
  .hero-copy { font-size: 16px; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary, .offer-body .btn-primary { width: 100%; }
  .price-row strong { font-size: 44px; }
  .count b { min-width: 56px; font-size: 18px; }
  .person { grid-template-columns: 1fr; gap: 6px; }
  .footer-bottom { flex-direction: column; }
  .issue { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none; }
  .issue, .sol-row, .news-item, .btn-primary { transition: none; }
}

/* roulang page: category4 */
:root {
 --bg: #07111f;
 --bg-soft: #0b1728;
 --panel: rgba(18, 34, 57, .72);
 --panel-solid: #10213a;
 --text: #f5f8ff;
 --muted: #9aaac1;
 --line: rgba(154, 170, 193, .16);
 --primary: #607dff;
 --primary-dark: #4565ec;
 --cyan: #45d9ef;
 --green: #51d6a1;
 --radius-lg: 28px;
 --radius-md: 20px;
 --shadow: 0 24px 70px rgba(0, 0, 0, .25);
 --container: 1180px;
}
/* roulang page: category4 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background:
  radial-gradient(circle at 78% 8%, rgba(76, 103, 255, .13), transparent 30rem),
  radial-gradient(circle at 15% 35%, rgba(44, 214, 239, .06), transparent 24rem),
  var(--bg);
 color: var(--text);
 font-family: "Inter", "Noto Sans SC", sans-serif;
 line-height: 1.75;
 overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, summary:focus-visible {
 outline: 3px solid rgba(69, 217, 239, .65);
 outline-offset: 4px;
}
h1, h2, h3, h4 { margin: 0; color: #fff; font-weight: 800; letter-spacing: -.045em; line-height: 1.2; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 background: rgba(7, 17, 31, .74);
 border-bottom: 1px solid rgba(255,255,255,.08);
 backdrop-filter: blur(18px);
}
.nav-wrap {
 min-height: 78px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 30px;
}
.brand {
 display: inline-flex;
 align-items: center;
 gap: 11px;
 font-weight: 800;
 letter-spacing: -.04em;
 white-space: nowrap;
 font-size: 20px;
 color: #fff;
}
.brand-mark {
 width: 35px;
 height: 35px;
 display: grid;
 place-items: center;
 border-radius: 12px;
 color: white;
 background: linear-gradient(135deg, var(--primary), var(--cyan));
 box-shadow: 0 8px 22px rgba(85, 119, 255, .32);
}
.nav-links { display: flex; align-items: center; gap: 7px; }
.nav-links a {
 color: #aab8cb;
 padding: 9px 14px;
 border-radius: 11px;
 font-size: 14px;
 transition: .25s ease;
}
.nav-links a:hover, .nav-links a.active {
 color: #fff;
 background: rgba(96,125,255,.13);
}
.nav-action, .btn-primary {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 9px;
 color: #fff;
 background: linear-gradient(135deg, var(--primary), #7792ff);
 border: 1px solid rgba(255,255,255,.15);
 box-shadow: 0 12px 28px rgba(77, 101, 230, .25);
 border-radius: 13px;
 padding: 12px 18px;
 font-weight: 700;
 font-size: 14px;
 transition: .25s ease;
 cursor: pointer;
}
.nav-action:hover, .btn-primary:hover, .nav-action:active, .btn-primary:active {
 transform: translateY(-2px);
 background: linear-gradient(135deg, #718dff, #8ca3ff);
 box-shadow: 0 17px 34px rgba(77, 101, 230, .36);
}
.menu-toggle {
 display: none;
 background: rgba(255,255,255,.04);
 border: 1px solid rgba(255,255,255,.12);
 color: #fff;
 width: 42px;
 height: 42px;
 border-radius: 12px;
 font-size: 18px;
 cursor: pointer;
}
.eyebrow, .section-kicker {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 color: #91aaff;
 font-size: 13px;
 font-weight: 700;
 letter-spacing: .09em;
 text-transform: uppercase;
}
.eyebrow i, .section-kicker i { color: var(--cyan); }
.section { padding: 98px 0; }
.section-alt {
 background: linear-gradient(180deg, rgba(255,255,255,.024), rgba(255,255,255,.01));
 border-top: 1px solid rgba(255,255,255,.045);
 border-bottom: 1px solid rgba(255,255,255,.045);
}
.section-head { max-width: 720px; margin-bottom: 38px; }
.section-head h2 { margin: 11px 0 13px; font-size: clamp(29px, 4vw, 46px); }
.section-head p { color: var(--muted); font-size: 16px; line-height: 1.85; }
.page-hero { padding: 78px 0 36px; }
.mast-grid {
 display: grid;
 grid-template-columns: 5fr 7fr;
 gap: 54px;
 align-items: center;
}
.mast-copy h1 {
 margin: 14px 0 16px;
 font-size: clamp(40px, 5vw, 68px);
 line-height: 1.08;
 max-width: 640px;
}
.lead { color: #aebbd0; font-size: 17px; line-height: 1.9; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin: 26px 0 28px; }
.btn-secondary {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 9px;
 border: 1px solid rgba(255,255,255,.16);
 color: #dce6f7;
 background: rgba(255,255,255,.045);
 border-radius: 13px;
 padding: 12px 18px;
 font-size: 14px;
 font-weight: 700;
 transition: .25s ease;
}
.btn-secondary:hover, .btn-secondary:active { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.28); }
.kpi-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 520px; }
.kpi {
 padding: 14px 14px 12px;
 border-radius: 16px;
 background: rgba(16, 33, 58, .72);
 border: 1px solid var(--line);
}
.kpi b { display: block; font-size: 22px; letter-spacing: -.04em; }
.kpi span { color: var(--muted); font-size: 12px; }
.price-stage { position: relative; min-height: 460px; }
.photo-panel {
 position: relative;
 height: 470px;
 border-radius: 32px;
 overflow: hidden;
 transform: rotate(2.4deg);
 border: 1px solid rgba(255,255,255,.14);
 box-shadow: var(--shadow);
}
.photo-panel img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.05) brightness(.72); }
.photo-panel:after {
 content: "";
 position: absolute;
 inset: 0;
 background: linear-gradient(180deg, rgba(7,17,31,.05), rgba(7,17,31,.72));
}
.live-badge {
 position: absolute;
 z-index: 2;
 top: 18px;
 left: 18px;
 display: flex;
 align-items: center;
 gap: 7px;
 padding: 7px 10px;
 color: #b8ffe1;
 background: rgba(10, 39, 39, .7);
 border: 1px solid rgba(81,214,161,.35);
 border-radius: 9px;
 font-size: 12px;
 font-weight: 700;
}
.live-badge i { font-size: 7px; }
.price-float {
 position: absolute;
 z-index: 3;
 left: -28px;
 bottom: 28px;
 width: min(320px, 80%);
 padding: 18px;
 border-radius: 22px;
 background: rgba(12, 24, 43, .92);
 border: 1px solid rgba(255,255,255,.16);
 box-shadow: var(--shadow);
 transform: rotate(-3deg);
}
.price-float small { color: #91aaff; font-weight: 700; letter-spacing: .08em; }
.price-float strong { display: block; margin: 6px 0 4px; font-size: 34px; letter-spacing: -.05em; }
.price-float p { color: #b7c4d8; font-size: 13px; }
.ticker { padding: 22px 0; border-top: 1px solid rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.06); background: rgba(8, 18, 34, .65); overflow: hidden; }
.ticker-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.ticker-head h2 { font-size: 16px; letter-spacing: 0; }
.ticker-window { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.ticker-track { display: flex; gap: 12px; width: max-content; animation: slide 32s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.chip {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 padding: 9px 14px;
 border-radius: 999px;
 color: #d5e2f6;
 background: rgba(96,125,255,.1);
 border: 1px solid rgba(96,125,255,.22);
 font-size: 13px;
 font-weight: 600;
 white-space: nowrap;
}
.chip i { color: var(--cyan); }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.plan-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.plan-card {
 position: relative;
 display: flex;
 flex-direction: column;
 min-height: 460px;
 padding: 22px 20px 20px;
 border-radius: var(--radius-md);
 background: var(--panel);
 border: 1px solid var(--line);
 box-shadow: 0 10px 30px rgba(0,0,0,.12);
 transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.plan-card:hover { transform: translateY(-6px); border-color: rgba(96,125,255,.45); box-shadow: 0 22px 44px rgba(0,0,0,.28); }
.plan-card.featured {
 background: linear-gradient(180deg, rgba(96,125,255,.2), rgba(16,33,58,.92) 42%);
 border-color: rgba(69,217,239,.4);
}
.badge {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 width: fit-content;
 padding: 4px 9px;
 border-radius: 999px;
 font-size: 12px;
 font-weight: 700;
 color: #d7e2ff;
 background: rgba(255,255,255,.06);
 border: 1px solid rgba(255,255,255,.08);
}
.badge.hot { color: #04231b; background: var(--green); border-color: transparent; }
.badge.save { color: #062029; background: var(--cyan); border-color: transparent; }
.plan-card h3 { margin: 14px 0 4px; font-size: 26px; }
.plan-card .cycle { color: var(--muted); font-size: 13px; }
.amount { display: flex; align-items: flex-end; gap: 4px; margin: 16px 0 6px; }
.amount em { font-style: normal; font-size: 18px; color: #c9d5ea; margin-bottom: 8px; }
.amount b { font-size: 48px; letter-spacing: -.06em; line-height: .9; }
.unit { color: #9eb0c9; font-size: 13px; margin-bottom: 14px; }
.plan-list { display: grid; gap: 10px; margin: 8px 0 18px; color: #d5e0f0; font-size: 14px; }
.plan-list li { display: flex; gap: 8px; align-items: flex-start; }
.plan-list i { color: var(--green); margin-top: 4px; }
.plan-card .btn-primary, .plan-card .btn-secondary { width: 100%; margin-top: auto; }
.note-bar {
 margin-top: 18px;
 display: flex;
 gap: 18px;
 flex-wrap: wrap;
 padding: 16px 18px;
 border-radius: 16px;
 color: #b7c6db;
 background: rgba(255,255,255,.03);
 border: 1px dashed rgba(154,170,193,.28);
 font-size: 13px;
}
.note-bar i { color: var(--cyan); margin-right: 6px; }
.split { display: grid; grid-template-columns: .82fr 1.18fr; gap: 42px; align-items: center; }
.compare-photo {
 position: relative;
 border-radius: 28px;
 overflow: hidden;
 min-height: 360px;
 border: 1px solid rgba(255,255,255,.1);
}
.compare-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; filter: brightness(.62); }
.compare-photo figcaption {
 position: absolute;
 left: 18px;
 right: 18px;
 bottom: 18px;
 color: #e8eef8;
 font-weight: 700;
}
.compare-list { display: grid; gap: 10px; }
.compare-row {
 display: grid;
 grid-template-columns: 140px 1fr;
 gap: 12px;
 align-items: center;
 padding: 14px 16px;
 border-radius: 16px;
 background: rgba(16,33,58,.72);
 border: 1px solid var(--line);
}
.compare-row b { font-size: 14px; }
.compare-row span { color: #c5d2e6; font-size: 14px; }
.marks { display: flex; flex-wrap: wrap; gap: 6px; }
.marks i {
 width: 28px;
 height: 28px;
 display: grid;
 place-items: center;
 border-radius: 8px;
 background: rgba(81,214,161,.12);
 color: var(--green);
 font-size: 12px;
}
.rail-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 36px; }
.rail { display: grid; gap: 0; position: relative; }
.rail-item {
 display: grid;
 grid-template-columns: 86px 1fr;
 gap: 16px;
 padding: 8px 0 22px;
}
.rail-item .node {
 width: 86px;
 height: 86px;
 border-radius: 22px;
 display: grid;
 place-items: center;
 background: var(--panel-solid);
 border: 1px solid rgba(96,125,255,.35);
 box-shadow: inset 0 0 0 6px rgba(96,125,255,.08);
 font-weight: 800;
}
.rail-item h3 { font-size: 22px; margin-bottom: 6px; }
.rail-item p { color: var(--muted); }
.stat-band {
 padding: 34px 0;
 background:
  radial-gradient(circle at 10% 50%, rgba(69,217,239,.16), transparent 18rem),
  linear-gradient(90deg, #101b33, #18284a 50%, #101b33);
 border-top: 1px solid rgba(255,255,255,.06);
 border-bottom: 1px solid rgba(255,255,255,.06);
}
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { padding: 10px 18px; border-left: 1px solid rgba(255,255,255,.1); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: block; font-size: clamp(28px, 3vw, 40px); letter-spacing: -.05em; }
.stat span { color: #b7c6db; font-size: 14px; }
.quote-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 16px; }
.quote-main, .quote-side article {
 padding: 26px;
 border-radius: 24px;
 background: rgba(16,33,58,.78);
 border: 1px solid var(--line);
}
.quote-main { min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.quote-main p, .quote-side p { color: #e7eef9; font-size: 18px; line-height: 1.8; }
.quote-side { display: grid; gap: 16px; }
.quote-side p { font-size: 15px; }
.who { display: flex; align-items: center; gap: 10px; margin-top: 18px; color: #9eb0c9; font-size: 13px; }
.avatar {
 width: 36px;
 height: 36px;
 border-radius: 50%;
 display: grid;
 place-items: center;
 background: linear-gradient(135deg, var(--primary), var(--cyan));
 color: #fff;
 font-weight: 800;
}
.stars { color: #ffd36a; letter-spacing: 2px; font-size: 12px; margin-bottom: 12px; }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 34px; }
.faq-item {
 border-radius: 18px;
 background: rgba(16,33,58,.66);
 border: 1px solid var(--line);
 margin-bottom: 12px;
 overflow: hidden;
}
.faq-item summary {
 cursor: pointer;
 list-style: none;
 padding: 16px 18px;
 font-weight: 700;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; color: var(--cyan); font-size: 20px; }
.faq-item[open] summary:after { content: "–"; }
.faq-item[open] { border-color: rgba(96,125,255,.4); }
.faq-item p { padding: 0 18px 16px; color: var(--muted); }
.cta-panel {
 display: grid;
 grid-template-columns: 1.3fr .7fr;
 gap: 24px;
 padding: 34px;
 border-radius: 30px;
 background:
  radial-gradient(circle at 90% 10%, rgba(69,217,239,.2), transparent 16rem),
  linear-gradient(135deg, #24386d, #121e38 55%);
 border: 1px solid rgba(255,255,255,.12);
 box-shadow: var(--shadow);
}
.cta-panel h2 { font-size: clamp(30px, 4vw, 46px); margin: 10px 0 12px; }
.cta-panel p { color: #d5e0f2; max-width: 620px; }
.contact-card {
 padding: 20px;
 border-radius: 20px;
 background: rgba(5, 12, 24, .35);
 border: 1px solid rgba(255,255,255,.12);
}
.contact-card h3 { font-size: 16px; margin-bottom: 12px; }
.contact-card li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid rgba(255,255,255,.08); color: #d5e0f2; font-size: 14px; }
.contact-card li:first-of-type { border-top: 0; }
.contact-card span { color: #93a4bd; }
footer { padding: 64px 0 28px; border-top: 1px solid rgba(255,255,255,.08); background: #050d18; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr .8fr; gap: 36px; }
.footer-brand p { color: var(--muted); max-width: 340px; margin-top: 14px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h3 { font-size: 15px; margin-bottom: 4px; }
.footer-col a { color: #aab8cb; font-size: 14px; transition: .2s ease; }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 flex-wrap: wrap;
 margin-top: 36px;
 padding-top: 18px;
 border-top: 1px solid var(--line);
 color: #7f90a8;
 font-size: 13px;
}
@media (max-width: 1024px) {
 .mast-grid, .split, .rail-layout, .quote-layout, .faq-grid, .cta-panel, .footer-grid { grid-template-columns: 1fr; }
 .plan-grid { grid-template-columns: 1fr 1fr; }
 .stat-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
 .stat, .stat:first-child { border-left: 0; padding-left: 0; }
 .price-stage { min-height: 0; }
 .photo-panel { height: 380px; transform: none; }
 .price-float { left: 16px; bottom: 16px; transform: none; }
 .compare-row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 768px) {
 .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
 .nav-links {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 78px;
  flex-direction: column;
  align-items: stretch;
  padding: 12px 16px 16px;
  background: rgba(7,17,31,.97);
  border-bottom: 1px solid rgba(255,255,255,.08);
 }
 .nav-links.open { display: flex; }
 .nav-links a { padding: 12px 14px; }
 .nav-action span { display: none; }
 .section { padding: 72px 0; }
 .page-hero { padding-top: 48px; }
 .kpi-row { grid-template-columns: 1fr; }
 .plan-card { min-height: 0; }
 .footer-bottom { flex-direction: column; }
}
@media (max-width: 520px) {
 .container { width: min(var(--container), calc(100% - 28px)); }
 .plan-grid, .stat-grid { grid-template-columns: 1fr; }
 .mast-copy h1 { font-size: 36px; }
 .hero-actions .btn-primary, .hero-actions .btn-secondary, .cta-panel .btn-primary, .cta-panel .btn-secondary { width: 100%; }
 .photo-panel { height: 300px; }
 .price-float { position: relative; left: 0; bottom: 0; width: calc(100% - 24px); margin: -48px 12px 0; }
 .rail-item { grid-template-columns: 64px 1fr; }
 .rail-item .node { width: 64px; height: 64px; border-radius: 16px; }
 .contact-card li { flex-direction: column; gap: 2px; }
 .cta-panel { padding: 22px; }
}