/* roulang page: index */
:root{
      --bg:#050B18;
      --bg-2:#071A33;
      --panel:rgba(8,22,45,.66);
      --panel-2:rgba(15,35,65,.52);
      --line:rgba(148,213,255,.18);
      --line-strong:rgba(34,211,238,.45);
      --text:#EAF6FF;
      --muted:#8EA7C2;
      --cyan:#22D3EE;
      --blue:#0EA5E9;
      --violet:#8B5CF6;
      --green:#34D399;
      --radius:24px;
      --radius-sm:16px;
      --shadow:0 0 36px rgba(14,165,233,.18);
      --shadow-strong:0 0 46px rgba(34,211,238,.30);
      --nav-width:248px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.72;
      color:var(--text);
      background:
        radial-gradient(circle at 78% 12%, rgba(34,211,238,.20), transparent 34%),
        radial-gradient(circle at 30% 72%, rgba(139,92,246,.18), transparent 32%),
        linear-gradient(135deg,#050B18 0%,#071A33 48%,#030712 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.26;
      background-image:
        linear-gradient(rgba(125,211,252,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(125,211,252,.08) 1px,transparent 1px),
        linear-gradient(120deg,transparent 0%,rgba(34,211,238,.10) 44%,transparent 58%);
      background-size:46px 46px,46px 46px,100% 100%;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.35));
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(34,211,238,.30);color:#fff}
    ::-webkit-scrollbar{width:10px}
    ::-webkit-scrollbar-track{background:#041020}
    ::-webkit-scrollbar-thumb{background:linear-gradient(var(--cyan),var(--blue));border-radius:999px}
    .glass{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius);
      backdrop-filter:blur(20px);
      box-shadow:var(--shadow);
    }
    .glass-soft{
      background:var(--panel-2);
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      backdrop-filter:blur(18px);
    }
    .container-wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}
    .main-shell{margin-left:var(--nav-width);min-height:100vh}
    .side-nav{
      position:fixed;
      left:18px;
      top:18px;
      bottom:18px;
      width:calc(var(--nav-width) - 36px);
      padding:18px;
      z-index:50;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:rgba(4,14,31,.76);
      border:1px solid rgba(148,213,255,.16);
      border-radius:28px;
      backdrop-filter:blur(24px);
      box-shadow:0 0 48px rgba(14,165,233,.16);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:40px;height:40px;border-radius:15px;
      background:
        radial-gradient(circle at 35% 30%,#fff 0 8%,transparent 9%),
        linear-gradient(135deg,var(--cyan),var(--blue) 50%,var(--violet));
      box-shadow:0 0 28px rgba(34,211,238,.55);
      flex:0 0 auto;
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;inset:9px;
      border:1px solid rgba(255,255,255,.55);
      border-radius:10px;
    }
    .brand-title{font-size:15px;font-weight:900;line-height:1.25;letter-spacing:.02em;word-break:break-word}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-list{display:grid;gap:10px;margin-top:26px}
    .nav-item{
      display:flex;align-items:center;gap:10px;
      padding:12px 12px;
      border-radius:16px;
      color:#CFE9FF;
      border:1px solid transparent;
      transition:.25s ease;
      position:relative;
      background:rgba(255,255,255,.025);
    }
    .nav-item:hover,.nav-item:focus{
      outline:none;
      transform:translateX(2px);
      border-color:rgba(34,211,238,.35);
      background:rgba(14,165,233,.12);
      box-shadow:0 0 22px rgba(34,211,238,.15);
    }
    .nav-item.active{
      background:linear-gradient(90deg,rgba(34,211,238,.18),rgba(14,165,233,.06));
      border-color:rgba(34,211,238,.42);
      color:#fff;
    }
    .nav-item.active:before{
      content:"";
      width:3px;height:24px;border-radius:999px;
      background:var(--cyan);
      position:absolute;left:-1px;
      box-shadow:0 0 16px var(--cyan);
    }
    .nav-icon{width:26px;height:26px;display:grid;place-items:center;border-radius:10px;background:rgba(34,211,238,.10);font-size:13px}
    .nav-foot{font-size:12px;color:var(--muted);padding:14px;border-radius:18px;background:rgba(3,12,28,.45);border:1px solid var(--line)}
    .mobile-top{display:none}
    .mobile-panel{
      display:none;
      position:fixed;top:72px;left:14px;right:14px;z-index:60;
      padding:14px;border-radius:22px;background:rgba(4,14,31,.94);
      border:1px solid rgba(34,211,238,.24);backdrop-filter:blur(22px);
      box-shadow:var(--shadow-strong);
    }
    .mobile-menu[open] .mobile-panel{display:block}
    .mobile-menu summary{list-style:none;cursor:pointer}
    .mobile-menu summary::-webkit-details-marker{display:none}
    .menu-btn{
      width:44px;height:44px;border-radius:15px;border:1px solid rgba(34,211,238,.30);
      background:rgba(34,211,238,.10);display:grid;place-items:center;
    }
    .section{padding:76px 0}
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:rgba(34,211,238,.10);
      border:1px solid rgba(34,211,238,.26);
      color:#BFF7FF;font-size:13px;font-weight:700;
    }
    .dot{width:8px;height:8px;border-radius:999px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .h1{
      font-size:clamp(34px,5vw,64px);
      line-height:1.06;
      font-weight:900;
      letter-spacing:-.04em;
      word-break:break-word;
    }
    .h2{
      font-size:clamp(28px,3vw,38px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .lead{font-size:clamp(16px,1.45vw,18px);color:#B8CCE2;max-width:760px}
    .muted{color:var(--muted)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:12px 18px;border-radius:999px;
      font-weight:800;transition:.25s ease;border:1px solid transparent;
      cursor:pointer;
    }
    .btn-primary{
      color:#02101F;
      background:linear-gradient(135deg,var(--cyan),var(--blue));
      box-shadow:0 0 28px rgba(34,211,238,.30), inset 0 1px 0 rgba(255,255,255,.35);
    }
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:0 0 42px rgba(34,211,238,.42);outline:none}
    .btn-secondary{
      color:#EAF6FF;background:rgba(255,255,255,.04);border-color:rgba(148,213,255,.22);
    }
    .btn-secondary:hover,.btn-secondary:focus{transform:translateY(-2px);border-color:rgba(34,211,238,.45);box-shadow:0 0 24px rgba(34,211,238,.18);outline:none}
    .hero-stage{
      min-height:640px;
      display:grid;
      align-items:center;
      position:relative;
      padding:48px 0 34px;
    }
    .stage-grid{
      display:grid;
      grid-template-columns:1fr minmax(320px,520px) 1fr;
      gap:22px;
      align-items:center;
    }
    .value-rail{display:grid;gap:16px}
    .rail-card{
      padding:18px;
      border-radius:22px;
      background:rgba(8,22,45,.54);
      border:1px solid var(--line);
      backdrop-filter:blur(16px);
      transition:.25s ease;
    }
    .rail-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.38);box-shadow:var(--shadow)}
    .rail-title{font-weight:900;color:#fff;margin-bottom:5px}
    .product-panel{
      position:relative;
      padding:24px;
      border-radius:34px;
      background:
        linear-gradient(180deg,rgba(15,35,65,.72),rgba(3,12,28,.78)),
        radial-gradient(circle at 50% 0%,rgba(34,211,238,.18),transparent 46%);
      border:1px solid rgba(148,213,255,.22);
      box-shadow:0 0 70px rgba(14,165,233,.22);
      overflow:hidden;
    }
    .product-panel:before{
      content:"";
      position:absolute;inset:14px;
      border:1px solid rgba(34,211,238,.10);
      border-radius:26px;
      pointer-events:none;
    }
    .screen-card{
      position:relative;
      z-index:1;
      min-height:430px;
      border-radius:26px;
      background:rgba(4,14,31,.82);
      border:1px solid rgba(34,211,238,.24);
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .status-bar{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:11px 13px;border-radius:16px;
      background:rgba(34,211,238,.08);
      border:1px solid rgba(34,211,238,.18);
      color:#C8F8FF;font-size:13px;
    }
    .matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
    .matrix-card{
      padding:16px;border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(148,213,255,.16);
      min-height:112px;
    }
    .num{font-size:12px;color:var(--cyan);font-weight:900;letter-spacing:.08em}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      border:1px solid rgba(34,211,238,.22);
      background:rgba(34,211,238,.08);
      color:#BFF7FF;font-size:12px;font-weight:700;
    }
    .card{
      padding:22px;border-radius:var(--radius);
      background:rgba(8,22,45,.60);
      border:1px solid var(--line);
      backdrop-filter:blur(18px);
      transition:.25s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.40);
      box-shadow:var(--shadow-strong);
    }
    .category-strip{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
      align-items:stretch;
    }
    .resource-list{display:grid;gap:14px}
    .resource-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;align-items:center;
      padding:18px;border-radius:20px;
      background:rgba(15,35,65,.42);
      border:1px solid rgba(148,213,255,.15);
      transition:.25s ease;
    }
    .resource-item:hover{border-color:rgba(34,211,238,.38);transform:translateX(3px);background:rgba(14,165,233,.10)}
    .resource-no{
      width:42px;height:42px;border-radius:15px;display:grid;place-items:center;
      color:#DFFFFF;font-weight:900;background:linear-gradient(135deg,rgba(34,211,238,.20),rgba(139,92,246,.18));
      border:1px solid rgba(34,211,238,.24);
    }
    .news-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .news-link{
      display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
      padding:16px 0;border-bottom:1px solid rgba(148,213,255,.14);
      transition:.2s ease;
    }
    .news-link:hover{color:#C9FBFF;transform:translateX(2px)}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat-number{font-size:34px;font-weight:950;letter-spacing:-.04em;color:#fff}
    .progress{height:6px;background:rgba(148,213,255,.12);border-radius:999px;overflow:hidden;margin-top:14px}
    .progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--violet))}
    .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .plan-card{position:relative;overflow:hidden}
    .plan-card.featured{border-color:rgba(34,211,238,.46);box-shadow:var(--shadow-strong)}
    .plan-card.featured:before{
      content:"推荐";
      position:absolute;right:18px;top:18px;
      padding:4px 10px;border-radius:999px;
      background:linear-gradient(135deg,var(--cyan),var(--blue));
      color:#02101F;font-size:12px;font-weight:900;
    }
    .check-list{display:grid;gap:10px;margin-top:16px;color:#C4D7EA}
    .check-list li{display:flex;gap:9px}
    .check-list li:before{content:"";width:8px;height:8px;margin-top:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);flex:0 0 auto}
    .review-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}
    .score{font-size:58px;font-weight:950;line-height:1;color:#fff}
    details{
      border:1px solid rgba(148,213,255,.16);
      border-radius:18px;
      background:rgba(8,22,45,.55);
      overflow:hidden;
      transition:.25s ease;
    }
    details[open]{border-color:rgba(34,211,238,.40);box-shadow:0 0 26px rgba(34,211,238,.12)}
    summary{
      cursor:pointer;
      padding:18px 20px;
      font-weight:850;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      list-style:none;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--cyan);font-size:22px;line-height:1}
    details[open] summary:after{content:"–"}
    details p{padding:0 20px 18px;margin:0;color:#AFC4DC}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{
      width:100%;
      border:1px solid rgba(125,211,252,.22);
      background:rgba(3,12,28,.65);
      color:#EAF6FF;
      border-radius:16px;
      padding:14px 15px;
      outline:none;
      transition:.2s ease;
    }
    .field::placeholder{color:#67829F}
    .field:focus{border-color:rgba(34,211,238,.65);box-shadow:0 0 0 4px rgba(34,211,238,.10),0 0 24px rgba(34,211,238,.18)}
    textarea.field{min-height:132px;resize:vertical}
    .footer{
      padding:34px 0 44px;
      border-top:1px solid rgba(148,213,255,.12);
      background:rgba(3,12,28,.42);
    }
    @media (max-width:1180px){
      .stage-grid{grid-template-columns:1fr;max-width:820px;margin:auto}
      .value-rail{grid-template-columns:repeat(2,1fr)}
      .product-panel{order:-1}
    }
    @media (max-width:1024px){
      .side-nav{display:none}
      .mobile-top{
        display:flex;position:fixed;top:12px;left:12px;right:12px;z-index:70;
        align-items:center;justify-content:space-between;
        padding:12px 14px;border-radius:22px;
        background:rgba(4,14,31,.82);border:1px solid rgba(148,213,255,.18);
        backdrop-filter:blur(24px);box-shadow:var(--shadow);
      }
      .main-shell{margin-left:0;padding-top:78px}
      .section{padding:58px 0}
      .category-strip,.news-wrap,.review-grid{grid-template-columns:1fr}
      .stat-grid{grid-template-columns:repeat(2,1fr)}
      .plan-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container-wrap{width:min(100% - 28px,1180px)}
      .value-rail,.matrix,.form-grid{grid-template-columns:1fr}
      .hero-stage{min-height:auto;padding-top:30px}
      .screen-card{min-height:auto}
      .resource-item{grid-template-columns:1fr}
      .stat-grid{grid-template-columns:1fr}
      .btn{width:100%}
      .mobile-panel .btn{width:auto}
    }
    @media (max-width:520px){
      .brand-title{font-size:13px}
      .h1{font-size:34px}
      .product-panel{padding:14px;border-radius:26px}
      .screen-card{padding:16px;border-radius:22px}
      .section{padding:48px 0}
      summary{padding:16px}
      details p{padding:0 16px 16px}
    }

/* roulang page: category1 */
:root{
      --bg:#050B18;
      --bg-2:#071A33;
      --panel:rgba(8,22,45,.66);
      --panel-2:rgba(15,35,65,.52);
      --line:rgba(148,213,255,.18);
      --line-strong:rgba(34,211,238,.42);
      --text:#EAF6FF;
      --muted:#8EA7C2;
      --cyan:#22D3EE;
      --blue:#0EA5E9;
      --violet:#8B5CF6;
      --radius:24px;
      --shadow:0 0 36px rgba(14,165,233,.18), inset 0 1px 0 rgba(255,255,255,.06);
      --shadow-strong:0 0 52px rgba(34,211,238,.28), 0 18px 60px rgba(5,11,24,.42);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at 78% 8%, rgba(139,92,246,.22), transparent 34%),
        radial-gradient(circle at 26% 18%, rgba(34,211,238,.18), transparent 30%),
        linear-gradient(135deg, #050B18 0%, #071A33 52%, #050B18 100%);
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height:1.72;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(148,213,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148,213,255,.055) 1px, transparent 1px),
        linear-gradient(115deg, transparent 0%, rgba(34,211,238,.08) 48%, transparent 62%);
      background-size:44px 44px,44px 44px,100% 100%;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.95), rgba(0,0,0,.35));
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(34,211,238,.28);color:#fff}
    ::-webkit-scrollbar{width:10px;height:10px}
    ::-webkit-scrollbar-track{background:#071326}
    ::-webkit-scrollbar-thumb{background:linear-gradient(var(--blue),var(--violet));border-radius:99px}
    .container-wrap{width:min(1180px, calc(100% - 40px));margin-inline:auto}
    .muted{color:var(--muted)}
    .glass{
      background:linear-gradient(145deg, rgba(8,22,45,.76), rgba(15,35,65,.48));
      border:1px solid var(--line);
      border-radius:var(--radius);
      backdrop-filter:blur(20px);
      box-shadow:var(--shadow);
    }
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border:1px solid rgba(34,211,238,.25);
      border-radius:999px;
      color:#BDF4FF;
      background:rgba(34,211,238,.08);
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(34,211,238,.9);
      display:inline-block;
      flex:0 0 auto;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:900;
      transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease, filter .25s ease;
      outline:none;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--blue), var(--cyan) 52%, var(--violet));
      color:#04101F;
      box-shadow:0 0 26px rgba(34,211,238,.36);
    }
    .btn-secondary{
      background:rgba(8,22,45,.55);
      color:#DFF8FF;
      border-color:rgba(148,213,255,.24);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .btn:hover{transform:translateY(-3px);filter:brightness(1.08)}
    .btn-primary:hover{box-shadow:0 0 42px rgba(34,211,238,.48)}
    .btn-secondary:hover{border-color:rgba(34,211,238,.5);box-shadow:0 0 28px rgba(14,165,233,.2)}
    .btn:focus-visible,.nav-item:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
      outline:3px solid rgba(34,211,238,.28);
      outline-offset:3px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(148,213,255,.18);
      background:rgba(3,12,28,.42);
      color:#B9D8EC;
      font-size:13px;
      font-weight:700;
    }
    .side-nav{
      position:fixed;
      inset:18px auto 18px 18px;
      width:252px;
      z-index:50;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:18px;
      background:rgba(5,11,24,.72);
      border:1px solid rgba(148,213,255,.18);
      border-radius:28px;
      backdrop-filter:blur(22px);
      box-shadow:0 18px 60px rgba(0,0,0,.26), inset 0 1px 0 rgba(255,255,255,.05);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 35% 32%, #EAF6FF 0 8%, transparent 9%),
        linear-gradient(135deg, var(--cyan), var(--blue) 48%, var(--violet));
      box-shadow:0 0 28px rgba(34,211,238,.42);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(4,16,31,.46);
      border-radius:10px;
    }
    .brand-title{
      display:block;
      font-size:16px;
      line-height:1.25;
      font-weight:950;
      letter-spacing:-.02em;
      color:#F2FBFF;
      word-break:break-word;
    }
    .brand-sub{
      display:block;
      margin-top:2px;
      font-size:12px;
      color:var(--muted);
      line-height:1.3;
    }
    .nav-list{
      display:grid;
      gap:10px;
      margin-top:28px;
    }
    .nav-item{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid transparent;
      color:#AFC6DD;
      font-weight:850;
      transition:background .22s ease, color .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
      position:relative;
    }
    .nav-icon{
      width:28px;
      height:28px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#DDF8FF;
      background:rgba(34,211,238,.09);
      border:1px solid rgba(148,213,255,.14);
      font-size:13px;
      font-weight:950;
      flex:0 0 auto;
    }
    .nav-item:hover{
      background:rgba(34,211,238,.08);
      color:#F2FBFF;
      border-color:rgba(34,211,238,.22);
      transform:translateX(2px);
    }
    .nav-item.active{
      color:#fff;
      background:linear-gradient(90deg, rgba(14,165,233,.22), rgba(139,92,246,.10));
      border-color:rgba(34,211,238,.38);
      box-shadow:0 0 28px rgba(14,165,233,.18);
    }
    .nav-item.active:before{
      content:"";
      position:absolute;
      left:-6px;
      top:50%;
      width:3px;
      height:28px;
      border-radius:99px;
      transform:translateY(-50%);
      background:var(--cyan);
      box-shadow:0 0 18px rgba(34,211,238,.95);
    }
    .nav-foot{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(148,213,255,.16);
      background:rgba(3,12,28,.48);
      color:var(--muted);
      font-size:13px;
    }
    .mobile-bar{
      display:none;
      position:fixed;
      z-index:70;
      top:12px;
      left:12px;
      right:12px;
      align-items:center;
      justify-content:space-between;
      padding:12px;
      border-radius:22px;
      border:1px solid rgba(148,213,255,.18);
      background:rgba(5,11,24,.78);
      backdrop-filter:blur(20px);
      box-shadow:0 16px 44px rgba(0,0,0,.25);
    }
    .menu-toggle{
      width:46px;
      height:42px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(34,211,238,.09);
      border:1px solid rgba(148,213,255,.2);
      color:#DFFAFF;
    }
    .main-shell{margin-left:288px;min-height:100vh}
    .top-status{
      position:sticky;
      top:0;
      z-index:35;
      padding:14px 0;
      background:linear-gradient(180deg, rgba(5,11,24,.88), rgba(5,11,24,.45));
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(148,213,255,.08);
    }
    .status-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:#AFC6DD;
      font-size:14px;
    }
    .hero-visual{
      position:relative;
      min-height:520px;
      overflow:hidden;
      border-radius:34px;
      border:1px solid rgba(148,213,255,.2);
      box-shadow:var(--shadow-strong);
      background:
        linear-gradient(180deg, rgba(5,11,24,.22), rgba(5,11,24,.8)),
        radial-gradient(circle at 72% 30%, rgba(34,211,238,.23), transparent 24%),
        linear-gradient(125deg, rgba(7,26,51,.72), rgba(5,11,24,.96)),
        url("data:image/svg+xml,%3Csvg width='1200' height='700' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%230EA5E9' stop-opacity='.42'/%3E%3Cstop offset='.5' stop-color='%2322D3EE' stop-opacity='.16'/%3E%3Cstop offset='1' stop-color='%238B5CF6' stop-opacity='.32'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='1200' height='700' fill='%23050B18'/%3E%3Cg stroke='url(/%23g)' stroke-width='2' fill='none' opacity='.5'%3E%3Cpath d='M40 100 H1120 M80 210 H1180 M0 330 H1080 M130 450 H1200 M50 590 H1160'/%3E%3Cpath d='M190 0 V700 M390 0 V700 M610 0 V700 M820 0 V700 M1040 0 V700'/%3E%3Ccircle cx='860' cy='260' r='125'/%3E%3Ccircle cx='310' cy='470' r='78'/%3E%3C/g%3E%3C/svg%3E");
      background-size:cover;
      background-position:center;
    }
    .hero-visual:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(5,11,24,.84) 0%, rgba(5,11,24,.5) 48%, rgba(5,11,24,.78) 100%);
    }
    .hero-content{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1.05fr .75fr;
      gap:28px;
      min-height:520px;
      align-items:center;
      padding:54px;
    }
    .hero-content h1{
      font-size:clamp(34px, 5vw, 62px);
      line-height:1.08;
      letter-spacing:-.05em;
      font-weight:950;
      max-width:850px;
      word-break:break-word;
    }
    .hero-content p{font-size:18px;color:#B9D8EC;max-width:760px}
    .play-orb{
      width:92px;
      height:92px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:radial-gradient(circle, rgba(34,211,238,.32), rgba(14,165,233,.12));
      border:1px solid rgba(34,211,238,.42);
      box-shadow:0 0 44px rgba(34,211,238,.38);
      transition:.25s ease;
    }
    .play-orb:hover{transform:scale(1.05);box-shadow:0 0 64px rgba(34,211,238,.52)}
    .play-orb span{
      margin-left:4px;
      width:0;height:0;
      border-top:15px solid transparent;
      border-bottom:15px solid transparent;
      border-left:22px solid #EAF6FF;
      filter:drop-shadow(0 0 10px rgba(255,255,255,.45));
    }
    .matrix-card{
      padding:18px;
      border-radius:20px;
      background:rgba(3,12,28,.46);
      border:1px solid rgba(148,213,255,.16);
      transition:.25s ease;
    }
    .matrix-card:hover{border-color:rgba(34,211,238,.42);transform:translateY(-3px);box-shadow:0 0 30px rgba(14,165,233,.16)}
    .filter-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:14px;
      border-radius:24px;
      background:rgba(8,22,45,.54);
      border:1px solid rgba(148,213,255,.16);
      backdrop-filter:blur(16px);
    }
    .filter-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:#B9D8EC;
      background:rgba(3,12,28,.56);
      border:1px solid rgba(148,213,255,.16);
      font-weight:850;
      font-size:14px;
      transition:.22s ease;
    }
    .filter-chip:hover,.filter-chip.active{
      color:#061424;
      background:linear-gradient(135deg, var(--cyan), var(--blue));
      border-color:transparent;
      box-shadow:0 0 22px rgba(34,211,238,.28);
      transform:translateY(-2px);
    }
    .info-card,.list-card,.step-card,.faq-card{
      border:1px solid rgba(148,213,255,.18);
      background:linear-gradient(145deg, rgba(8,22,45,.66), rgba(15,35,65,.43));
      border-radius:24px;
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    }
    .info-card:hover,.list-card:hover,.step-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.42);
      box-shadow:var(--shadow-strong);
    }
    .list-card{
      padding:24px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:start;
    }
    .meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      color:#89A8C3;
      font-size:13px;
      margin-top:16px;
    }
    .side-panel{
      position:sticky;
      top:92px;
    }
    .progress{
      height:6px;
      border-radius:999px;
      background:rgba(148,213,255,.12);
      overflow:hidden;
    }
    .progress span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg, var(--blue), var(--cyan));
      box-shadow:0 0 16px rgba(34,211,238,.46);
    }
    .timeline{
      position:relative;
      display:grid;
      gap:14px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:18px;
      top:10px;
      bottom:10px;
      width:1px;
      background:linear-gradient(var(--cyan), rgba(139,92,246,.2));
    }
    .timeline-item{
      position:relative;
      padding-left:48px;
    }
    .timeline-item:before{
      content:attr(data-step);
      position:absolute;
      left:0;
      top:0;
      width:36px;
      height:36px;
      border-radius:13px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:950;
      color:#061424;
      background:linear-gradient(135deg, var(--cyan), var(--blue));
      box-shadow:0 0 20px rgba(34,211,238,.32);
    }
    details.faq-card{padding:0;overflow:hidden}
    details.faq-card summary{
      list-style:none;
      padding:20px 22px;
      font-weight:950;
      display:flex;
      justify-content:space-between;
      gap:18px;
      cursor:pointer;
    }
    details.faq-card summary::-webkit-details-marker{display:none}
    details.faq-card summary:after{
      content:"+";
      color:var(--cyan);
      font-size:24px;
      line-height:1;
      transition:transform .22s ease;
    }
    details.faq-card[open]{
      border-color:rgba(34,211,238,.38);
      box-shadow:0 0 36px rgba(14,165,233,.18);
    }
    details.faq-card[open] summary:after{content:"−";transform:rotate(180deg)}
    .faq-body{
      padding:0 22px 22px;
      color:#AFC6DD;
    }
    .form-field{
      width:100%;
      border:1px solid rgba(125,211,252,.22);
      background:rgba(3,12,28,.65);
      color:#EAF6FF;
      border-radius:16px;
      padding:14px 15px;
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .form-field::placeholder{color:#647F99}
    .form-field:focus{
      outline:none;
      border-color:rgba(34,211,238,.58);
      box-shadow:0 0 0 4px rgba(34,211,238,.12);
      background:rgba(3,12,28,.82);
    }
    .footer{
      margin-left:288px;
      padding:52px 0 48px;
      border-top:1px solid rgba(148,213,255,.12);
      background:linear-gradient(180deg, rgba(5,11,24,.2), rgba(5,11,24,.86));
    }
    @media (max-width:1024px){
      .mobile-bar{display:flex}
      .side-nav{
        inset:78px 12px auto 12px;
        width:auto;
        max-height:calc(100vh - 96px);
        overflow:auto;
        transform:translateY(-18px);
        opacity:0;
        pointer-events:none;
        transition:.25s ease;
      }
      .side-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
      .main-shell,.footer{margin-left:0}
      .top-status{margin-top:76px}
      .hero-content{grid-template-columns:1fr;padding:36px;min-height:auto}
      .hero-visual{min-height:auto}
      .side-panel{position:static}
      .list-card{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container-wrap{width:min(100% - 28px, 1180px)}
      .section{padding:62px 0}
      .section-tight{padding:44px 0}
      .hero-content{padding:28px 20px}
      .hero-content p{font-size:16px}
      .play-orb{width:72px;height:72px}
      .status-inner{align-items:flex-start;flex-direction:column}
      .btn{width:100%;white-space:normal;text-align:center}
      .filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:16px}
      .filter-chip{flex:0 0 auto}
    }
    @media (max-width:520px){
      .brand-title{font-size:14px}
      .brand-sub{font-size:11px}
      .brand-mark{width:38px;height:38px}
      .hero-content h1{font-size:32px;letter-spacing:-.035em}
      .list-card,.info-card,.step-card{border-radius:20px}
      .mobile-bar{left:8px;right:8px;top:8px}
      .top-status{margin-top:70px}
    }