/* roulang page: index */
:root{
      --bg:#07111F;
      --bg2:#0B1628;
      --panel:rgba(8,18,34,.68);
      --panel-strong:rgba(11,22,40,.88);
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(34,211,238,.30);
      --text:#EAF2FF;
      --muted:rgba(234,242,255,.72);
      --soft:rgba(234,242,255,.55);
      --cyan:#22D3EE;
      --purple:#8B5CF6;
      --green:#34D399;
      --shadow:0 22px 80px rgba(0,0,0,.38);
      --shadow-soft:0 18px 40px rgba(2,8,23,.35);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:18px;
      --container:1240px;
    }

    html { scroll-behavior:smooth; }
    body {
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      background:
        radial-gradient(circle at 12% 18%, rgba(34,211,238,.14), transparent 20%),
        radial-gradient(circle at 82% 8%, rgba(139,92,246,.16), transparent 22%),
        radial-gradient(circle at 70% 70%, rgba(52,211,153,.08), transparent 24%),
        linear-gradient(180deg, var(--bg), var(--bg2));
      color:var(--text);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.25), transparent);
      opacity:.25;
      z-index:-1;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 50% -15%, rgba(34,211,238,.10), transparent 24%),
        radial-gradient(circle at 100% 0%, rgba(139,92,246,.08), transparent 22%);
      z-index:-1;
    }

    * { box-sizing:border-box; }
    img { max-width:100%; display:block; }
    a { color:inherit; text-decoration:none; }
    button, input, select, textarea {
      font:inherit;
      color:inherit;
    }
    button {
      cursor:pointer;
    }

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

    .glass{
      background:var(--panel);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .glass-strong{
      background:var(--panel-strong);
      backdrop-filter:blur(22px);
      -webkit-backdrop-filter:blur(22px);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
    }
    .glow-border{
      position:relative;
      overflow:hidden;
    }
    .glow-border::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      padding:1px;
      background:linear-gradient(135deg, rgba(34,211,238,.52), rgba(139,92,246,.42), rgba(255,255,255,.06));
      -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite:xor;
      mask-composite:exclude;
      pointer-events:none;
      opacity:.65;
    }

    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.55rem .15rem;
      color:rgba(234,242,255,.76);
      transition:all .22s ease;
      font-weight:500;
      letter-spacing:.01em;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:#fff;
      text-shadow:0 0 18px rgba(34,211,238,.18);
    }
    .nav-link.active{
      color:#fff;
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-6px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--cyan), var(--purple));
      box-shadow:0 0 18px rgba(34,211,238,.65);
    }

    .btn-primary,
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      min-height:48px;
      padding:0 20px;
      border-radius:999px;
      font-weight:700;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
      border:1px solid transparent;
      outline:none;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--cyan), var(--purple));
      color:#fff;
      box-shadow:0 12px 30px rgba(34,211,238,.18), 0 12px 34px rgba(139,92,246,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 16px 34px rgba(34,211,238,.22), 0 16px 38px rgba(139,92,246,.24);
    }
    .btn-secondary{
      background:rgba(255,255,255,.06);
      color:#fff;
      border-color:rgba(255,255,255,.12);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform:translateY(-1px);
      background:rgba(255,255,255,.10);
      border-color:rgba(34,211,238,.28);
    }
    .btn-ghost{
      color:rgba(234,242,255,.78);
      background:transparent;
      border:1px solid rgba(255,255,255,.10);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      border-color:rgba(34,211,238,.26);
      color:#fff;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.42rem .78rem;
      border-radius:999px;
      border:1px solid rgba(34,211,238,.24);
      background:rgba(34,211,238,.09);
      color:#7fe7f5;
      font-weight:600;
      font-size:.88rem;
    }
    .badge-purple{
      border-color:rgba(139,92,246,.24);
      background:rgba(139,92,246,.10);
      color:#d6c6ff;
    }
    .badge-green{
      border-color:rgba(52,211,153,.24);
      background:rgba(52,211,153,.10);
      color:#9af1c9;
    }

    .section{
      padding:clamp(64px, 7vw, 108px) 0;
    }
    .section-head{
      margin-bottom:28px;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.42rem .8rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.05);
      color:rgba(234,242,255,.72);
      font-size:.9rem;
      margin-bottom:14px;
    }
    .section-title{
      font-size:clamp(28px, 3.6vw, 44px);
      line-height:1.12;
      font-weight:800;
      letter-spacing:-.02em;
      margin:0;
    }
    .section-subtitle{
      margin-top:12px;
      max-width:64ch;
      font-size:clamp(15px, 1.15vw, 17px);
      line-height:1.78;
      color:var(--muted);
    }

    .hero{
      padding-top:110px;
      padding-bottom:72px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-card{
      border-radius:var(--radius-xl);
      padding:clamp(22px, 3vw, 34px);
    }
    .hero h1{
      font-size:clamp(34px, 5vw, 56px);
      line-height:1.05;
      font-weight:800;
      letter-spacing:-.04em;
      margin:16px 0 16px;
      max-width:12ch;
    }
    .hero p{
      color:var(--muted);
      font-size:clamp(16px, 1.2vw, 18px);
      line-height:1.82;
      max-width:58ch;
      margin:0;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }

    .panel-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .panel-box{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .panel-label{
      color:rgba(234,242,255,.62);
      font-size:.86rem;
      margin-bottom:8px;
    }
    .panel-value{
      font-size:1.45rem;
      font-weight:800;
      line-height:1.1;
      letter-spacing:-.02em;
    }
    .panel-note{
      color:var(--soft);
      font-size:.92rem;
      margin-top:8px;
      line-height:1.65;
    }
    .dashboard{
      position:relative;
      overflow:hidden;
    }
    .dashboard::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 12% 10%, rgba(34,211,238,.18), transparent 18%),
        radial-gradient(circle at 90% 0%, rgba(139,92,246,.18), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(52,211,153,.10), transparent 20%);
      pointer-events:none;
    }
    .dashboard-inner{
      position:relative;
      z-index:1;
      display:grid;
      gap:16px;
    }
    .ring-wrap{
      display:grid;
      grid-template-columns:140px 1fr;
      gap:18px;
      align-items:center;
    }
    .ring{
      width:140px;
      aspect-ratio:1;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:conic-gradient(from 210deg, rgba(34,211,238,.95) 0 316deg, rgba(255,255,255,.08) 316deg 360deg);
      box-shadow:inset 0 0 0 16px rgba(9,16,28,.95);
    }
    .ring-core{
      width:84px;
      aspect-ratio:1;
      border-radius:50%;
      display:grid;
      place-items:center;
      text-align:center;
      background:rgba(8,18,34,.96);
      border:1px solid rgba(255,255,255,.08);
    }
    .ring-core strong{
      display:block;
      font-size:1.5rem;
      line-height:1;
    }
    .ring-core span{
      display:block;
      margin-top:4px;
      font-size:.78rem;
      color:var(--muted);
    }
    .status-list{
      display:grid;
      gap:10px;
    }
    .status-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .dot{
      width:10px;
      height:10px;
      margin-top:7px;
      border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 0 6px rgba(34,211,238,.12);
      flex:none;
    }
    .dot.green{ background:var(--green); box-shadow:0 0 0 6px rgba(52,211,153,.12); }
    .dot.purple{ background:var(--purple); box-shadow:0 0 0 6px rgba(139,92,246,.12); }
    .status-item strong{
      display:block;
      font-size:.96rem;
      margin-bottom:4px;
    }
    .status-item p{
      margin:0;
      color:var(--soft);
      line-height:1.55;
      font-size:.92rem;
    }

    .mini-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .mini-tags span{
      padding:.44rem .7rem;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:rgba(234,242,255,.72);
      font-size:.85rem;
    }

    .mega-link-wrap{
      position:relative;
    }
    .mega-panel{
      position:absolute;
      top:calc(100% + 14px);
      left:0;
      min-width:360px;
      padding:16px;
      border-radius:22px;
      background:rgba(6,15,29,.92);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:0 30px 80px rgba(0,0,0,.35);
      opacity:0;
      transform:translateY(8px);
      pointer-events:none;
      transition:all .22s ease;
      z-index:40;
    }
    .mega-link-wrap:hover .mega-panel,
    .mega-link-wrap:focus-within .mega-panel{
      opacity:1;
      transform:translateY(0);
      pointer-events:auto;
    }
    .mega-grid{
      display:grid;
      gap:10px;
    }
    .mega-card{
      display:block;
      padding:14px 14px 13px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      transition:all .2s ease;
    }
    .mega-card:hover,
    .mega-card:focus-visible{
      border-color:rgba(34,211,238,.24);
      background:rgba(34,211,238,.07);
      transform:translateY(-1px);
    }
    .mega-card strong{
      display:block;
      font-size:.98rem;
      margin-bottom:5px;
    }
    .mega-card span{
      color:var(--soft);
      font-size:.88rem;
      line-height:1.55;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(12, minmax(0,1fr));
      gap:18px;
    }
    .feature-card{
      border-radius:var(--radius-xl);
      padding:24px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
      box-shadow:0 18px 40px rgba(0,0,0,.16);
      height:100%;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.25);
      box-shadow:0 24px 52px rgba(0,0,0,.22), 0 0 0 1px rgba(34,211,238,.04), 0 0 32px rgba(34,211,238,.08);
      background:rgba(255,255,255,.065);
    }
    .feature-card h3{
      margin:14px 0 10px;
      font-size:1.18rem;
      line-height:1.35;
      font-weight:800;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      line-height:1.78;
      font-size:1rem;
    }
    .feature-big{ grid-column:span 7; }
    .feature-mid{ grid-column:span 5; }
    .feature-small{ grid-column:span 4; }

    .icon-chip{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(145deg, rgba(34,211,238,.14), rgba(139,92,246,.14));
      border:1px solid rgba(255,255,255,.10);
      color:#dffcff;
      font-weight:800;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }

    .waterfall{
      column-count:3;
      column-gap:18px;
    }
    .waterfall-item{
      break-inside:avoid;
      margin-bottom:18px;
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .waterfall-item:hover{
      transform:translateY(-3px);
      border-color:rgba(139,92,246,.22);
      box-shadow:0 20px 42px rgba(0,0,0,.24), 0 0 34px rgba(139,92,246,.08);
    }
    .waterfall-item h4{
      margin:14px 0 10px;
      font-size:1.12rem;
      line-height:1.4;
      font-weight:800;
    }
    .waterfall-item p{
      color:var(--muted);
      line-height:1.82;
      margin:0;
      font-size:.98rem;
    }
    .meta-line{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
      align-items:center;
      color:rgba(234,242,255,.68);
      font-size:.88rem;
    }
    .meta-line a{
      color:#8ee8f3;
      font-weight:600;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .compare-card{
      padding:26px;
      border-radius:28px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      position:relative;
      overflow:hidden;
    }
    .compare-card.featured{
      border-color:rgba(34,211,238,.28);
      background:linear-gradient(180deg, rgba(34,211,238,.09), rgba(255,255,255,.05));
      box-shadow:0 24px 55px rgba(0,0,0,.24), 0 0 0 1px rgba(34,211,238,.04), 0 0 44px rgba(34,211,238,.08);
      transform:translateY(-4px);
    }
    .compare-card .plan{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }
    .compare-card h3{
      margin:0;
      font-size:1.22rem;
      font-weight:800;
    }
    .price-pill{
      font-size:.82rem;
      padding:.35rem .65rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      color:rgba(234,242,255,.72);
      background:rgba(255,255,255,.04);
    }
    .compare-card ul{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:11px;
    }
    .compare-card li{
      position:relative;
      padding-left:22px;
      color:var(--muted);
      line-height:1.72;
    }
    .compare-card li::before{
      content:"";
      position:absolute;
      left:0;
      top:.6em;
      width:9px;
      height:9px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow:0 0 0 4px rgba(34,211,238,.12);
    }

    .process-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:18px;
      position:relative;
    }
    .process-card{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      min-height:210px;
      position:relative;
    }
    .process-card .num{
      font-size:.9rem;
      font-weight:800;
      color:#7fe7f5;
      letter-spacing:.14em;
      margin-bottom:12px;
    }
    .process-card h3{
      margin:0 0 10px;
      font-size:1.16rem;
      font-weight:800;
    }
    .process-card p{
      margin:0;
      color:var(--muted);
      line-height:1.78;
    }
    .process-card .edge{
      position:absolute;
      left:22px;
      right:22px;
      top:14px;
      height:1px;
      background:linear-gradient(90deg, rgba(34,211,238,.08), rgba(34,211,238,.55), rgba(139,92,246,.14));
    }

    .faq-wrap{
      display:grid;
      gap:14px;
    }
    details.faq-item{
      border-radius:22px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      padding:0 20px;
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(34,211,238,.22);
      box-shadow:0 14px 34px rgba(0,0,0,.18);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 0;
      font-weight:700;
      font-size:1rem;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      outline:none;
    }
    details.faq-item summary::-webkit-details-marker{ display:none; }
    details.faq-item summary::after{
      content:"+";
      color:#7fe7f5;
      font-size:1.3rem;
      line-height:1;
    }
    details.faq-item[open] summary::after{
      content:"–";
    }
    .faq-body{
      padding:0 0 18px;
      color:var(--muted);
      line-height:1.82;
      font-size:.98rem;
    }

    .cta-box{
      border-radius:32px;
      padding:28px;
      background:
        radial-gradient(circle at 10% 0%, rgba(34,211,238,.16), transparent 25%),
        radial-gradient(circle at 90% 100%, rgba(139,92,246,.16), transparent 28%),
        rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
    }

    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:22px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field.full{ grid-column:1 / -1; }
    .field label{
      font-size:.92rem;
      color:rgba(234,242,255,.76);
      font-weight:600;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(7,17,31,.64);
      color:#fff;
      padding:14px 15px;
      outline:none;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(34,211,238,.38);
      box-shadow:0 0 0 4px rgba(34,211,238,.10);
      background:rgba(7,17,31,.88);
    }
    .field textarea{
      min-height:120px;
      resize:vertical;
    }

    footer{
      padding:30px 0 38px;
      border-top:1px solid rgba(255,255,255,.08);
      color:rgba(234,242,255,.70);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:18px;
      align-items:start;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(234,242,255,.72);
      transition:color .2s ease, transform .2s ease;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-note{
      margin-top:14px;
      font-size:.92rem;
      color:rgba(234,242,255,.56);
      line-height:1.7;
    }

    .mobile-panel{
      display:none;
    }

    .icon-line{
      width:22px;
      height:22px;
      display:block;
    }

    @media (max-width: 1024px){
      .hero-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .feature-big,
      .feature-mid,
      .feature-small{
        grid-column:span 6;
      }
      .compare-grid,
      .process-grid{
        grid-template-columns:1fr;
      }
      .waterfall{
        column-count:2;
      }
      .ring-wrap{
        grid-template-columns:120px 1fr;
      }
      .desktop-nav,
      .desktop-cta{
        display:none;
      }
      .mobile-panel.show{
        display:block;
      }
    }

    @media (max-width: 768px){
      .section{
        padding:56px 0;
      }
      .hero{
        padding-top:96px;
        padding-bottom:62px;
      }
      .hero h1{
        max-width:none;
      }
      .feature-big,
      .feature-mid,
      .feature-small{
        grid-column:span 12;
      }
      .feature-grid{
        gap:14px;
      }
      .waterfall{
        column-count:1;
      }
      .panel-grid{
        grid-template-columns:1fr;
      }
      .form-grid{
        grid-template-columns:1fr;
      }
      .ring-wrap{
        grid-template-columns:1fr;
      }
      .hero-actions .btn-primary,
      .hero-actions .btn-secondary,
      .cta-box .btn-primary,
      .cta-box .btn-secondary{
        width:100%;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#07111F;
      --bg-2:#0B1628;
      --panel:rgba(10,18,34,.72);
      --panel-strong:rgba(11,22,40,.86);
      --line:rgba(255,255,255,.10);
      --line-2:rgba(34,211,238,.24);
      --text:#E6F0FF;
      --muted:rgba(230,240,255,.72);
      --cyan:#22D3EE;
      --purple:#8B5CF6;
      --green:#34D399;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --shadow-soft:0 12px 36px rgba(0,0,0,.26);
      --radius:24px;
      --radius-lg:28px;
      --transition:180ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 700px at 10% 10%, rgba(34,211,238,.14), transparent 55%),
        radial-gradient(900px 620px at 90% 15%, rgba(139,92,246,.12), transparent 50%),
        radial-gradient(800px 500px at 60% 95%, rgba(52,211,153,.08), transparent 54%),
        linear-gradient(180deg, #08111f 0%, #07111F 36%, #081523 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:72px 72px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.5), transparent 95%);
      opacity:.26;
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 20%, rgba(34,211,238,.06), transparent 20%),
        radial-gradient(circle at 80% 28%, rgba(139,92,246,.06), transparent 18%),
        radial-gradient(circle at 50% 70%, rgba(34,211,238,.05), transparent 22%);
      filter: blur(6px);
      z-index:-1;
    }
    ::selection{background:rgba(34,211,238,.28); color:#fff}
    a{color:inherit; text-decoration:none; transition:all var(--transition)}
    img{max-width:100%; display:block}
    button,input,textarea,select{font:inherit}
    ::-webkit-scrollbar{width:10px;height:10px}
    ::-webkit-scrollbar-track{background:#06101d}
    ::-webkit-scrollbar-thumb{
      background:linear-gradient(180deg, rgba(34,211,238,.45), rgba(139,92,246,.45));
      border-radius:999px;
      border:2px solid #06101d;
    }

    .shell{
      width:min(1240px, calc(100% - 32px));
      margin:0 auto;
    }
    .glass-strong,
    .glass,
    .content-card,
    .faq-item,
    .field{
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }
    .glass-strong{
      background:var(--panel-strong);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .glass{
      background:rgba(9,17,31,.62);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      padding:14px 22px;
      border-radius:999px;
      color:#fff;
      font-weight:700;
      background:linear-gradient(135deg, rgba(34,211,238,.98), rgba(139,92,246,.98));
      box-shadow:0 14px 34px rgba(34,211,238,.16), 0 10px 24px rgba(139,92,246,.12);
      border:1px solid rgba(255,255,255,.08);
    }
    .btn-primary:hover{
      transform:translateY(-1px);
      box-shadow:0 18px 42px rgba(34,211,238,.22), 0 14px 28px rgba(139,92,246,.16);
      filter:brightness(1.03);
    }
    .btn-primary:focus,
    .btn-secondary:focus,
    .nav-link:focus,
    .mega-card:focus,
    .field:focus,
    summary:focus{
      outline:none;
      box-shadow:0 0 0 3px rgba(34,211,238,.24), 0 0 0 1px rgba(34,211,238,.48);
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      padding:14px 22px;
      border-radius:999px;
      color:#EAF7FF;
      font-weight:700;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 10px 26px rgba(0,0,0,.2);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(34,211,238,.26);
      transform:translateY(-1px);
    }

    .nav-link{
      position:relative;
      padding:10px 2px;
      color:rgba(230,240,255,.78);
      font-weight:600;
      letter-spacing:.01em;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      left:0;
      bottom:2px;
      width:0;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, rgba(34,211,238,1), rgba(139,92,246,1));
      box-shadow:0 0 16px rgba(34,211,238,.3);
      transition:width var(--transition);
    }
    .nav-link:hover,
    .nav-link.active{
      color:#F3FBFF;
    }
    .nav-link:hover::after,
    .nav-link.active::after{
      width:100%;
    }

    .mega-link-wrap{position:relative}
    .mega-panel{
      position:absolute;
      left:0;
      top:calc(100% + 14px);
      width:min(560px, 70vw);
      opacity:0;
      transform:translateY(10px);
      pointer-events:none;
      transition:opacity var(--transition), transform var(--transition);
      z-index:60;
    }
    .mega-link-wrap:hover .mega-panel,
    .mega-link-wrap:focus-within .mega-panel{
      opacity:1;
      transform:translateY(0);
      pointer-events:auto;
    }
    .mega-panel-inner{
      padding:18px;
      border-radius:20px;
      background:rgba(10,18,34,.92);
      border:1px solid rgba(255,255,255,.1);
      box-shadow:0 24px 70px rgba(0,0,0,.4);
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      display:block;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      transition:transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .mega-card strong{
      display:block;
      font-size:15px;
      color:#F7FBFF;
      margin-bottom:6px;
    }
    .mega-card span{
      display:block;
      color:rgba(226,240,255,.72);
      font-size:13px;
      line-height:1.6;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:rgba(34,211,238,.24);
      background:rgba(255,255,255,.075);
      box-shadow:0 14px 28px rgba(34,211,238,.08);
    }

    .page-chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(34,211,238,.10);
      border:1px solid rgba(34,211,238,.22);
      color:#7FE6F5;
      font-size:13px;
      font-weight:700;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.55rem;
      margin-bottom:14px;
      color:rgba(126,231,255,.86);
      font-size:13px;
      font-weight:700;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .section-kicker::before{
      content:"";
      width:26px;
      height:1px;
      background:linear-gradient(90deg, rgba(34,211,238,1), rgba(139,92,246,1));
      box-shadow:0 0 14px rgba(34,211,238,.45);
    }
    .section-title{
      font-size:clamp(28px, 4vw, 40px);
      line-height:1.12;
      letter-spacing:-.03em;
      font-weight:800;
      margin:0;
    }
    .section-lead{
      margin-top:14px;
      color:var(--muted);
      font-size:16px;
      line-height:1.8;
      max-width:68ch;
    }

    .content-card{
      position:relative;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      box-shadow:0 18px 42px rgba(0,0,0,.24);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .content-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(34,211,238,.08), transparent 35%, rgba(139,92,246,.08));
      opacity:.6;
      pointer-events:none;
    }
    .content-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,211,238,.24);
      box-shadow:0 24px 54px rgba(0,0,0,.34), 0 0 0 1px rgba(34,211,238,.06), 0 0 28px rgba(34,211,238,.08);
    }
    .content-card > *{position:relative; z-index:1}
    .card-tag{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:6px 12px;
      border-radius:999px;
      background:rgba(34,211,238,.10);
      border:1px solid rgba(34,211,238,.20);
      color:#86E9F8;
      font-size:12px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .card-meta{
      color:rgba(226,240,255,.58);
      font-size:13px;
    }
    .card-title{
      font-size:22px;
      line-height:1.35;
      font-weight:800;
      letter-spacing:-.02em;
      margin-top:14px;
    }
    .card-desc{
      margin-top:12px;
      color:rgba(226,240,255,.74);
      line-height:1.8;
      font-size:15px;
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      margin-top:18px;
      color:#7FE6F5;
      font-weight:700;
      font-size:14px;
    }
    .card-link svg{transition:transform var(--transition)}
    .card-link:hover svg{transform:translateX(3px)}

    .sidebar-card{
      position:sticky;
      top:108px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.09);
      color:rgba(230,240,255,.74);
      font-size:13px;
      line-height:1;
    }
    .pill strong{color:#F4FBFF}
    .mini-list{
      display:grid;
      gap:12px;
    }
    .mini-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#EAF6FF;
      transition:all var(--transition);
    }
    .mini-item:hover{
      border-color:rgba(34,211,238,.24);
      background:rgba(255,255,255,.07);
      transform:translateX(2px);
    }
    .mini-index{
      width:30px;
      height:30px;
      flex:none;
      border-radius:10px;
      display:grid;
      place-items:center;
      font-size:12px;
      font-weight:800;
      color:#07111F;
      background:linear-gradient(135deg, rgba(34,211,238,1), rgba(139,92,246,1));
      box-shadow:0 10px 24px rgba(34,211,238,.18);
    }
    .mini-item span{
      color:rgba(226,240,255,.7);
      font-size:13px;
      line-height:1.6;
    }

    .topic-strip{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .topic-card{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.09);
      transition:all var(--transition);
    }
    .topic-card:hover{
      border-color:rgba(34,211,238,.22);
      background:rgba(255,255,255,.07);
      transform:translateY(-2px);
    }
    .topic-no{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      border-radius:14px;
      margin-bottom:12px;
      font-weight:800;
      color:#fff;
      background:linear-gradient(135deg, rgba(34,211,238,.9), rgba(139,92,246,.9));
      box-shadow:0 14px 30px rgba(139,92,246,.14);
    }
    .topic-card h3{
      margin:0 0 8px;
      font-size:18px;
      font-weight:800;
    }
    .topic-card p{
      margin:0;
      color:rgba(226,240,255,.72);
      line-height:1.75;
      font-size:14px;
    }

    .grid-masonry{
      display:grid;
      grid-template-columns:repeat(12, minmax(0,1fr));
      gap:16px;
    }
    .span-7{grid-column:span 7}
    .span-5{grid-column:span 5}
    .span-6{grid-column:span 6}
    .span-4{grid-column:span 4}
    .span-12{grid-column:1 / -1}
    .card-badge{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      color:#8FEAF8;
      font-weight:700;
      font-size:12px;
      letter-spacing:.02em;
    }
    .stat-row{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:22px;
    }
    .stat-box{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.09);
    }
    .stat-box strong{
      display:block;
      font-size:18px;
      margin-bottom:6px;
      color:#F7FCFF;
    }
    .stat-box span{
      color:rgba(226,240,255,.68);
      font-size:13px;
      line-height:1.5;
    }
    .progress-ring{
      width:112px;
      height:112px;
      border-radius:999px;
      background:
        radial-gradient(circle at center, rgba(7,17,31,1) 52%, transparent 53%),
        conic-gradient(from 180deg, rgba(34,211,238,1) 0 290deg, rgba(139,92,246,.95) 290deg 360deg);
      display:grid;
      place-items:center;
      box-shadow:0 0 0 1px rgba(255,255,255,.08), 0 18px 38px rgba(34,211,238,.12);
    }
    .progress-ring div{
      text-align:center;
      line-height:1.1;
    }
    .progress-ring strong{
      display:block;
      font-size:28px;
      font-weight:800;
    }
    .progress-ring span{
      color:rgba(226,240,255,.66);
      font-size:12px;
    }

    .faq{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.09);
      border-radius:20px;
      padding:18px 20px;
      transition:all var(--transition);
    }
    .faq-item:hover{border-color:rgba(34,211,238,.18); background:rgba(255,255,255,.07)}
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      font-weight:700;
      color:#F3FAFF;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      flex:none;
      font-size:22px;
      line-height:1;
      color:#8FEAF8;
      transition:transform var(--transition);
    }
    .faq-item[open] summary::after{
      content:"−";
      transform:rotate(0deg);
    }
    .faq-item p{
      margin:14px 0 0;
      color:rgba(226,240,255,.72);
      line-height:1.85;
      font-size:15px;
    }

    .field{
      width:100%;
      background:rgba(4,10,20,.62);
      border:1px solid rgba(255,255,255,.10);
      border-radius:16px;
      padding:14px 16px;
      color:#F6FBFF;
      transition:all var(--transition);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .field::placeholder{color:rgba(226,240,255,.44)}
    .field:focus{
      border-color:rgba(34,211,238,.42);
      background:rgba(6,13,24,.8);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:26px;
    }
    .footer-note{
      color:rgba(226,240,255,.68);
      line-height:1.9;
      font-size:14px;
      max-width:42ch;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:rgba(226,240,255,.68);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#8FEAF8;
    }

    .mobile-menu{
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(9,17,31,.96);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    @media (max-width: 1024px){
      .mega-panel{display:none}
      .sidebar-card{position:relative; top:auto}
      .footer-grid{grid-template-columns:1fr}
      .topic-strip{grid-template-columns:1fr}
      .grid-masonry{grid-template-columns:1fr 1fr}
      .span-7,.span-6,.span-5,.span-4,.span-12{grid-column:1 / -1}
      .stat-row{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .shell{width:min(100% - 22px, 1240px)}
      .btn-primary,.btn-secondary{width:100%}
      .grid-masonry{grid-template-columns:1fr}
      .section-title{font-size:clamp(24px, 7vw, 34px)}
      .card-title{font-size:20px}
      .card-desc{font-size:14px}
      .faq-item summary{font-size:15px}
    }