:root{
      --bg0:#fff7fb;
      --bg1:#ffffff;
      --text:#1f2937;
      --muted:#6b7280;
      --line:rgba(17,24,39,.10);
      --card:#ffffff;
      --shadow:0 16px 40px rgba(16,24,40,.08);
      --shadow2:0 10px 24px rgba(16,24,40,.10);
      --radius:16px;
      --radius2:22px;
      --primary:#2b6cff;
      --primary2:#7c3aed;
      --accent:#00b3a4;
      --warn:#f59e0b;
      --good:#10b981;
      --danger:#ef4444;
      --chip:#f1f5ff;
      --chip2:#f6f0ff;
      --focus:rgba(43,108,255,.25);
      --container:1100px;
      --pad:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:ui-sans-serif,system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 10% -10%, rgba(43,108,255,.16), transparent 55%),
        radial-gradient(650px 420px at 95% 10%, rgba(124,58,237,.14), transparent 55%),
        radial-gradient(550px 380px at 60% 0%, rgba(0,179,164,.12), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 42%, #fff 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:min(var(--container), calc(100% - (var(--pad) * 2)));
      margin:0 auto;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:30;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(255,255,255,.72);
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:220px;
    }
    .ai-page-logo{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:12px;
      background:#fff;
      box-shadow:0 10px 26px rgba(16,24,40,.08);
      border:1px solid rgba(17,24,39,.08);
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted); margin-top:4px}
    nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex:1;
      justify-content:flex-end;
      min-width:0;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:#334155;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(43,108,255,.08);
      border-color:rgba(43,108,255,.18);
      transform:translateY(-1px);
    }
    .nav-cta{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .btn{
      appearance:none;
      border:1px solid transparent;
      background:transparent;
      color:#0f172a;
      padding:10px 14px;
      border-radius:14px;
      font-weight:650;
      font-size:13px;
      line-height:1;
      cursor:pointer;
      transition:transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
      display:inline-flex;
      align-items:center;
      gap:8px;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus)}
    .btn-primary{
      background:linear-gradient(135deg, rgba(43,108,255,.98), rgba(124,58,237,.92));
      color:#fff;
      box-shadow:0 14px 34px rgba(43,108,255,.22);
    }
    .btn-primary:hover{transform:translateY(-1px); box-shadow:0 18px 46px rgba(43,108,255,.26)}
    .btn-soft{
      border-color:rgba(17,24,39,.10);
      background:rgba(255,255,255,.66);
    }
    .btn-soft:hover{transform:translateY(-1px); border-color:rgba(43,108,255,.25); background:rgba(43,108,255,.06)}
    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background:conic-gradient(from 180deg, #2b6cff, #00b3a4, #7c3aed, #2b6cff);
      box-shadow:0 0 0 3px rgba(43,108,255,.10);
    }

    .mobile-toggle{
      display:none;
      border:1px solid rgba(17,24,39,.12);
      background:rgba(255,255,255,.75);
      border-radius:14px;
      padding:10px 12px;
      cursor:pointer;
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .mobile-toggle:hover{transform:translateY(-1px); border-color:rgba(43,108,255,.25)}
    .burger{
      width:20px; height:14px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px;
      background:#0f172a;
      transition:transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:6px}
    .burger span:nth-child(3){top:12px}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(1){top:6px; transform:rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){top:6px; transform:rotate(-45deg)}

    .mobile-drawer{
      display:none;
      padding:0 0 14px 0;
    }
    .mobile-drawer .drawer-links{
      display:flex;
      flex-direction:column;
      gap:8px;
      padding:12px;
      border:1px solid rgba(17,24,39,.08);
      border-radius:16px;
      background:rgba(255,255,255,.78);
    }
    .mobile-drawer .drawer-links a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.08);
      background:#fff;
      font-size:14px;
      color:#0f172a;
    }
    .mobile-drawer .drawer-links a:hover{
      border-color:rgba(43,108,255,.25);
      background:rgba(43,108,255,.06);
    }

    .hero{
      padding:38px 0 12px 0;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      padding:20px;
      border-radius:24px;
      border:1px solid rgba(17,24,39,.08);
      background:
        radial-gradient(800px 320px at 15% 0%, rgba(43,108,255,.20), transparent 55%),
        radial-gradient(600px 260px at 80% 10%, rgba(124,58,237,.18), transparent 55%),
        radial-gradient(520px 240px at 60% 95%, rgba(0,179,164,.14), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.92));
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
      min-height:340px;
    }
    .hero-left:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        conic-gradient(from 210deg at 30% 20%,
          rgba(43,108,255,.16),
          rgba(0,179,164,.10),
          rgba(124,58,237,.14),
          rgba(43,108,255,.16));
      filter: blur(20px);
      opacity:.55;
      pointer-events:none;
    }
    .hero-left > *{position:relative}
    .hero-badge-row{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(17,24,39,.10);
      font-size:13px;
      color:#0f172a;
    }
    .badge .spark{
      width:18px; height:18px;
      border-radius:6px;
      background:linear-gradient(135deg, rgba(43,108,255,.98), rgba(124,58,237,.92));
      display:grid; place-items:center;
      color:#fff;
      font-weight:900;
      box-shadow:0 10px 22px rgba(43,108,255,.22);
    }
    .hero h1{
      margin:14px 0 10px 0;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.4px;
    }
    .hero p{
      margin:0;
      color:#374151;
      font-size:15px;
      line-height:1.75;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .hero-note{
      margin-top:14px;
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      align-items:flex-start;
      color:var(--muted);
      font-size:13px;
    }
    .hero-note .mini{
      display:flex;
      align-items:flex-start;
      gap:10px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(17,24,39,.08);
      border-radius:16px;
      padding:10px 12px;
    }
    .mini i{
      width:28px; height:28px; border-radius:12px;
      display:grid; place-items:center;
      background:linear-gradient(135deg, rgba(0,179,164,.16), rgba(43,108,255,.14));
      border:1px solid rgba(43,108,255,.16);
      color:#0f172a;
      font-style:normal;
      font-weight:900;
    }

    .hero-right{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .panel{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.08);
      border-radius:22px;
      box-shadow:0 10px 24px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .panel-head{
      padding:16px 16px 10px 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .panel-title{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .panel-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .panel-title span{
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }
    .meter{
      width:48px; height:48px;
      border-radius:18px;
      background:
        radial-gradient(22px 22px at 30% 30%, rgba(255,255,255,.9), transparent 55%),
        linear-gradient(135deg, rgba(43,108,255,.22), rgba(124,58,237,.16));
      border:1px solid rgba(43,108,255,.18);
      display:grid; place-items:center;
      font-weight:900;
      color:#1d4ed8;
    }
    .panel-body{
      padding:0 16px 16px 16px;
    }
    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .pill{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      font-size:12.5px;
      color:#0f172a;
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .pill:hover{
      transform:translateY(-1px);
      border-color:rgba(43,108,255,.25);
      background:rgba(43,108,255,.06);
    }
    .panel-stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:12px;
    }
    .stat{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.74));
      padding:12px;
      transition:transform .15s ease, box-shadow .15s ease;
      position:relative;
      overflow:hidden;
    }
    .stat:before{
      content:"";
      position:absolute;
      inset:auto -40px -40px auto;
      width:90px; height:90px;
      border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(43,108,255,.22), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .stat:hover{transform:translateY(-2px); box-shadow:0 16px 34px rgba(16,24,40,.08)}
    .stat strong{
      display:block;
      font-size:18px;
      letter-spacing:-.2px;
      position:relative;
    }
    .stat span{
      display:block;
      color:var(--muted);
      font-size:12.5px;
      margin-top:6px;
      position:relative;
      line-height:1.35;
    }

    .section{
      padding:28px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:14px;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.2px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:56ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:12px;
    }
    .card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(17,24,39,.08);
      border-radius:20px;
      padding:16px;
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
      min-height:122px;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 46px rgba(16,24,40,.10);
      border-color:rgba(43,108,255,.20);
    }
    .card .kicker{
      display:flex; align-items:center; gap:10px;
      color:#0f172a;
      font-size:13px;
      font-weight:750;
    }
    .badge-icon{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(18px 18px at 30% 25%, rgba(255,255,255,.9), transparent 55%),
        linear-gradient(135deg, rgba(43,108,255,.18), rgba(124,58,237,.12));
      display:grid; place-items:center;
      box-shadow:0 12px 28px rgba(43,108,255,.10);
      font-weight:900;
    }
    .card h3{
      margin:10px 0 6px 0;
      font-size:16px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .card .linkrow{
      margin-top:12px;
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .mini-link{
      font-size:13px;
      color:#1d4ed8;
      padding:8px 10px;
      background:rgba(29,78,216,.06);
      border:1px solid rgba(29,78,216,.16);
      border-radius:14px;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
      cursor:pointer;
      user-select:none;
      display:inline-flex; align-items:center; gap:8px;
    }
    .mini-link:hover{transform:translateY(-1px); background:rgba(29,78,216,.10); border-color:rgba(29,78,216,.22)}
    .arrow{
      width:18px; height:18px; border-radius:8px;
      display:grid; place-items:center;
      background:#fff;
      border:1px solid rgba(29,78,216,.18);
      color:#1d4ed8;
      font-weight:900;
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(17,24,39,.08);
      background:
        radial-gradient(380px 140px at 20% 0%, rgba(43,108,255,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.72));
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      transition:transform .18s ease, border-color .18s ease;
      min-height:170px;
    }
    .step:hover{transform:translateY(-3px); border-color:rgba(43,108,255,.22)}
    .step .num{
      width:40px; height:40px;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(43,108,255,.22), rgba(124,58,237,.18));
      border:1px solid rgba(43,108,255,.18);
      display:grid; place-items:center;
      font-weight:950; color:#1d4ed8;
      box-shadow:0 12px 26px rgba(43,108,255,.12);
    }
    .step h3{margin:12px 0 8px 0; font-size:15.5px}
    .step p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7}

    .compare-wrap{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.08);
      border-radius:24px;
      box-shadow:var(--shadow2);
      overflow:hidden;
    }
    .compare-head{
      padding:18px 18px 10px 18px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background:
        radial-gradient(520px 200px at 5% 0%, rgba(43,108,255,.16), transparent 60%),
        radial-gradient(420px 160px at 90% 20%, rgba(124,58,237,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.78));
    }
    .compare-head h2{margin:0; font-size:20px}
    .scorecard{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:8px;
      min-width:180px;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      display:inline-block;
      background:conic-gradient(from 0deg, #ffcc33, #f59e0b, #f97316, #ffcc33);
      clip-path:polygon(50% 0%, 62% 35%, 98% 35%, 69% 57%, 79% 91%, 50% 71%, 21% 91%, 31% 57%, 2% 35%, 38% 35%);
      border-radius:3px;
      box-shadow:0 10px 20px rgba(245,158,11,.25);
      border:1px solid rgba(245,158,11,.25);
    }
    .scoreline{
      color:var(--muted);
      font-size:13px;
      line-height:1.4;
    }
    .scoreline strong{color:#0f172a; font-size:20px; letter-spacing:-.2px}

    .compare-table{
      width:100%;
      border-collapse:collapse;
      font-size:14px;
    }
    .compare-table th, .compare-table td{
      border-bottom:1px solid rgba(17,24,39,.08);
      padding:12px 14px;
      vertical-align:top;
    }
    .compare-table th{
      color:#0f172a;
      font-weight:800;
      text-align:left;
      background:rgba(249,250,251,.78);
    }
    .compare-table td{
      color:#334155;
      line-height:1.6;
    }
    .tag-good, .tag-mid, .tag-warn{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      font-weight:800;
      font-size:12.5px;
      margin-right:8px;
      margin-bottom:8px;
      white-space:nowrap;
    }
    .tag-good{border-color:rgba(16,185,129,.30); background:rgba(16,185,129,.08); color:#065f46}
    .tag-mid{border-color:rgba(43,108,255,.26); background:rgba(43,108,255,.07); color:#1d4ed8}
    .tag-warn{border-color:rgba(245,158,11,.32); background:rgba(245,158,11,.10); color:#92400e}

    .timeline{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .timeline .tblock{
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.80);
      border-radius:22px;
      padding:16px;
      box-shadow:0 10px 22px rgba(16,24,40,.05);
    }
    .tblock h3{margin:0 0 10px 0; font-size:15.5px}
    .titems{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .titem{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.08);
      background:#fff;
    }
    .dot{
      width:14px; height:14px; border-radius:50%;
      background:linear-gradient(135deg, rgba(43,108,255,.98), rgba(124,58,237,.92));
      margin-top:3px;
      box-shadow:0 10px 20px rgba(43,108,255,.22);
      border:1px solid rgba(43,108,255,.25);
      flex:0 0 auto;
    }
    .titem strong{display:block; font-size:13.5px}
    .titem span{display:block; color:var(--muted); font-size:12.8px; line-height:1.5; margin-top:4px}

    .form-card{
      border-radius:24px;
      background:
        radial-gradient(700px 220px at 15% 0%, rgba(0,179,164,.14), transparent 60%),
        radial-gradient(560px 220px at 90% 10%, rgba(43,108,255,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
      border:1px solid rgba(17,24,39,.08);
      box-shadow:var(--shadow2);
      overflow:hidden;
    }
    .form-inner{
      padding:18px;
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .form-inner h2{margin:0 0 8px 0; font-size:20px}
    .form-inner p{margin:0; color:var(--muted); font-size:13.8px; line-height:1.7}
    form{
      margin-top:10px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:7px;
      font-size:13px;
      color:#0f172a;
      font-weight:750;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      padding:11px 12px;
      font-size:14px;
      background:rgba(255,255,255,.92);
      color:#0f172a;
      outline:none;
      transition:box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{min-height:92px; resize:vertical; max-height:220px}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(43,108,255,.35);
      box-shadow:0 0 0 4px rgba(43,108,255,.14);
      background:#fff;
    }
    .form-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top:4px;
    }
    .fineprint{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.5;
      max-width:40ch;
    }

    .reviews{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
    }
    .review{
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.82);
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .review:hover{transform:translateY(-3px); box-shadow:0 18px 46px rgba(16,24,40,.10); border-color:rgba(43,108,255,.20)}
    .review .top{
      display:flex; justify-content:space-between; align-items:flex-start; gap:10px;
      margin-bottom:10px;
    }
    .review .who{
      display:flex; flex-direction:column; gap:6px;
    }
    .avatar{
      width:42px; height:42px; border-radius:18px;
      background:
        radial-gradient(16px 16px at 30% 30%, rgba(255,255,255,.92), transparent 55%),
        linear-gradient(135deg, rgba(43,108,255,.18), rgba(124,58,237,.16), rgba(0,179,164,.14));
      border:1px solid rgba(17,24,39,.10);
      box-shadow:0 12px 26px rgba(43,108,255,.10);
    }
    .who strong{font-size:13.5px}
    .who span{color:var(--muted); font-size:12.5px; line-height:1.4}
    .review p{
      margin:0;
      color:#334155;
      font-size:13.5px;
      line-height:1.75;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .faq{
      background:rgba(255,255,255,.80);
      border:1px solid rgba(17,24,39,.08);
      border-radius:22px;
      overflow:hidden;
      box-shadow:0 10px 22px rgba(16,24,40,.05);
    }
    details.faq-item{
      border-top:1px solid rgba(17,24,39,.08);
      background:#fff0;
    }
    details.faq-item:first-child{border-top:none}
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      user-select:none;
      transition:background .15s ease;
    }
    summary::-webkit-details-marker{display:none}
    .qtext{
      font-weight:850;
      font-size:14px;
      line-height:1.5;
      color:#0f172a;
    }
    .chev{
      width:30px; height:30px;
      border-radius:14px;
      background:rgba(43,108,255,.08);
      border:1px solid rgba(43,108,255,.14);
      display:grid; place-items:center;
      flex:0 0 auto;
      transition:transform .18s ease, background .15s ease, border-color .15s ease;
      margin-top:-2px;
    }
    details[open] summary{background:rgba(43,108,255,.04)}
    details[open] .chev{
      transform:rotate(180deg);
      background:rgba(43,108,255,.12);
      border-color:rgba(43,108,255,.20);
    }
    .ans{
      padding:0 16px 14px 16px;
      color:var(--muted);
      font-size:13.6px;
      line-height:1.8;
    }

    .article-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
    }
    .article{
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.82);
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      transition:transform .18s ease, border-color .18s ease;
      display:flex;
      flex-direction:column;
      gap:10px;
      min-height:168px;
    }
    .article:hover{transform:translateY(-3px); border-color:rgba(43,108,255,.22)}
    .article .meta{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color:var(--muted);
      font-size:12.5px;
    }
    .article strong{
      font-size:15.5px;
      letter-spacing:-.1px;
      line-height:1.35;
    }
    .article p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .article a{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      font-weight:800;
      font-size:13.5px;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .article a:hover{transform:translateY(-1px); background:rgba(43,108,255,.06); border-color:rgba(43,108,255,.22)}

    .logo-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .logo-chip{
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      color:#0f172a;
      font-weight:800;
      font-size:13px;
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .logo-chip:hover{transform:translateY(-2px); border-color:rgba(124,58,237,.25); background:rgba(124,58,237,.06)}
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .chip{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
      font-size:13px;
      font-weight:800;
      color:#0f172a;
      position:relative;
      overflow:hidden;
    }
    .chip:before{
      content:"";
      position:absolute;
      inset:-2px -40px auto auto;
      width:90px; height:90px;
      background:radial-gradient(circle at 30% 30%, rgba(43,108,255,.18), transparent 55%);
      transform:rotate(25deg);
      opacity:.65;
      pointer-events:none;
    }

    .footer{
      margin-top:10px;
      padding:24px 0 26px 0;
      background:
        radial-gradient(800px 260px at 20% 0%, rgba(43,108,255,.14), transparent 60%),
        radial-gradient(640px 240px at 90% 30%, rgba(124,58,237,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.70));
      border-top:1px solid rgba(17,24,39,.08);
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .foot-left{
      border:1px solid rgba(17,24,39,.08);
      border-radius:24px;
      background:rgba(255,255,255,.82);
      padding:16px;
      box-shadow:0 10px 22px rgba(16,24,40,.05);
    }
    .foot-title{
      display:flex; align-items:center; gap:10px;
      margin-bottom:10px;
    }
    .foot-title strong{font-size:15px}
    .foot-left p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
      max-width:62ch;
    }
    .foot-right{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .foot-links{
      border:1px solid rgba(17,24,39,.08);
      border-radius:24px;
      background:rgba(255,255,255,.82);
      padding:16px;
      box-shadow:0 10px 22px rgba(16,24,40,.05);
    }
    .foot-links h3{
      margin:0 0 10px 0;
      font-size:15px;
    }
    .friend-grid{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .friend-grid a{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      font-size:13px;
      font-weight:800;
      color:#0f172a;
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .friend-grid a:hover{
      transform:translateY(-2px);
      border-color:rgba(43,108,255,.22);
      background:rgba(43,108,255,.06);
    }
    .copyright{
      color:var(--muted);
      font-size:12.8px;
      line-height:1.6;
      text-align:center;
      margin-top:14px;
    }

    .float-contact{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-contact .fab{
      pointer-events:auto;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.82);
      box-shadow:0 16px 40px rgba(16,24,40,.18);
      overflow:hidden;
      width:56px;
      height:56px;
      display:grid;
      place-items:center;
      cursor:pointer;
      transition:transform .15s ease;
      user-select:none;
    }
    .float-contact .fab:hover{transform:translateY(-3px)}
    .fab .fab-inner{
      width:40px; height:40px;
      border-radius:16px;
      display:grid; place-items:center;
      background:linear-gradient(135deg, rgba(0,179,164,.18), rgba(43,108,255,.16), rgba(124,58,237,.14));
      border:1px solid rgba(43,108,255,.18);
      position:relative;
    }
    .fab svg{width:20px; height:20px}
    .float-pop{
      pointer-events:auto;
      width:min(300px, calc(100vw - 28px));
      border-radius:22px;
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(500px 220px at 15% 0%, rgba(0,179,164,.14), transparent 60%),
        radial-gradient(420px 180px at 90% 20%, rgba(43,108,255,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.80));
      box-shadow:0 24px 70px rgba(16,24,40,.25);
      overflow:hidden;
      transform-origin:100% 100%;
      animation:popIn .18s ease-out;
    }
    @keyframes popIn{
      from{transform:scale(.98) translateY(6px); opacity:.0}
      to{transform:scale(1) translateY(0); opacity:1}
    }
    .pop-head{
      padding:12px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .pop-head strong{font-size:14px}
    .pop-close{
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      border-radius:14px;
      padding:8px 10px;
      cursor:pointer;
      font-weight:900;
      transition:transform .15s ease, border-color .15s ease;
    }
    .pop-close:hover{transform:translateY(-1px); border-color:rgba(43,108,255,.22)}
    .pop-body{
      padding:14px;
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .qrcode{
      width:96px; height:96px; border-radius:20px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      display:grid; place-items:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .qrcode img{
      width:100%; height:100%;
      object-fit:cover;
    }
    .pop-text{
      flex:1;
      display:flex;
      flex-direction:column;
      gap:8px;
      min-width:0;
    }
    .pop-text p{
      margin:0;
      color:#334155;
      font-size:13.4px;
      line-height:1.6;
    }
    .pop-actions{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top:6px;
    }
    .pop-actions a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      font-weight:900;
      font-size:13.2px;
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .pop-actions a:hover{transform:translateY(-2px); border-color:rgba(43,108,255,.22); background:rgba(43,108,255,.06)}
    .pop-actions .primary{
      background:linear-gradient(135deg, rgba(43,108,255,.98), rgba(124,58,237,.92));
      border-color:transparent;
      color:#fff;
      box-shadow:0 14px 34px rgba(43,108,255,.22);
    }
    .pop-actions .primary:hover{background:linear-gradient(135deg, rgba(43,108,255,.98), rgba(124,58,237,.98)); border-color:transparent}

    .to-top{
      position:fixed;
      right:14px;
      bottom:86px;
      z-index:55;
      pointer-events:none;
      opacity:0;
      transform:translateY(10px);
      transition:opacity .18s ease, transform .18s ease;
    }
    .to-top.show{
      opacity:1;
      transform:translateY(0);
      pointer-events:auto;
    }
    .to-top button{
      width:52px; height:52px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.82);
      box-shadow:0 16px 40px rgba(16,24,40,.18);
      cursor:pointer;
      transition:transform .15s ease;
      display:grid; place-items:center;
    }
    .to-top button:hover{transform:translateY(-3px)}
    .to-top svg{width:20px; height:20px}

    .reveal{
      opacity:0;
      transform:translateY(10px);
      transition:opacity .5s ease, transform .5s ease;
    }
    .reveal.in{
      opacity:1;
      transform:translateY(0);
    }

    .muted-line{
      height:1px;
      background:linear-gradient(90deg, rgba(17,24,39,.06), rgba(17,24,39,.10), rgba(17,24,39,.06));
      border:none;
      margin:18px 0 0 0;
    }

    .seg-logos{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .seg-logos .row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:stretch;
    }
    .case-left{
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.82);
      border-radius:24px;
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      overflow:hidden;
    }
    .case-left .head{
      padding:16px 16px 10px 16px;
      border-bottom:1px solid rgba(17,24,39,.08);
      background:
        radial-gradient(520px 180px at 10% 0%, rgba(43,108,255,.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.78));
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .case-left .head strong{font-size:16px}
    .case-left .head span{color:var(--muted); font-size:13px; line-height:1.6; max-width:52ch}
    .case-list{
      padding:14px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .case-item{
      border:1px solid rgba(17,24,39,.08);
      border-radius:20px;
      background:#fff;
      padding:12px;
      display:flex;
      flex-direction:column;
      gap:8px;
      transition:transform .18s ease, border-color .18s ease;
      min-height:120px;
    }
    .case-item:hover{transform:translateY(-3px); border-color:rgba(43,108,255,.22)}
    .case-item .t{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color:var(--muted); font-size:12.5px;
    }
    .case-item strong{font-size:14.5px; line-height:1.35}
    .case-item p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}

    .case-right{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .image-card{
      border:1px solid rgba(17,24,39,.08);
      border-radius:24px;
      background:rgba(255,255,255,.82);
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      overflow:hidden;
    }
    .img-wrap{
      padding:14px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .img-wrap .head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .img-wrap .head strong{font-size:15.5px}
    .img-wrap .head span{color:var(--muted); font-size:13px; line-height:1.6}
    .media{
      width:100%;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.78));
      overflow:hidden;
    }
    .media img{
      width:100%;
      height:auto;
      display:block;
      object-fit:contain;
    }
    .img-foot{
      padding:0 14px 14px 14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    .help-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
    }
    .help-item{
      border-radius:22px;
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.82);
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      padding:16px;
      min-height:140px;
      transition:transform .18s ease, border-color .18s ease;
    }
    .help-item:hover{transform:translateY(-3px); border-color:rgba(43,108,255,.22)}
    .help-item h3{margin:0 0 8px 0; font-size:15.5px}
    .help-item p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.75}
    .help-item .row{
      margin-top:12px;
      display:flex; gap:10px; flex-wrap:wrap;
    }

    .volcano{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
      margin-top:10px;
    }

    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .price-card{
      border-radius:24px;
      border:1px solid rgba(17,24,39,.08);
      background:rgba(255,255,255,.82);
      box-shadow:0 10px 22px rgba(16,24,40,.05);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .price-card:before{
      content:"";
      position:absolute;
      inset:-2px auto auto -2px;
      width:180px; height:180px;
      background:radial-gradient(circle at 30% 30%, rgba(43,108,255,.18), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .price-card > *{position:relative}
    .price-card h3{margin:0 0 10px 0; font-size:16px}
    .price-card p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.75}
    .token-table-wrap{
      margin-top:12px;
      border-radius:20px;
      border:1px solid rgba(17,24,39,.08);
      overflow:hidden;
      background:#fff;
    }
    .token-table{
      width:100%;
      border-collapse:collapse;
      font-size:13.5px;
    }
    .token-table th, .token-table td{
      border-bottom:1px solid rgba(17,24,39,.08);
      padding:10px 12px;
      text-align:left;
      vertical-align:top;
    }
    .token-table th{
      background:rgba(249,250,251,.82);
      color:#0f172a;
      font-weight:900;
      font-size:13px;
    }
    .token-table td{
      color:#334155;
      line-height:1.55;
    }
    .hlight{
      font-weight:950;
      color:#0f172a;
    }

    .btn-row{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center; margin-top:14px;
    }

    .sr-only{
      position:absolute !important;
      width:1px !important;
      height:1px !important;
      padding:0 !important;
      margin:-1px !important;
      overflow:hidden !important;
      clip:rect(0,0,0,0) !important;
      white-space:nowrap !important;
      border:0 !important;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .hero-left{min-height:auto}
      .grid-3{grid-template-columns:repeat(2, 1fr)}
      .grid-4{grid-template-columns:repeat(2, 1fr)}
      .steps{grid-template-columns:repeat(2, 1fr)}
      .timeline{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr}
      .form-inner{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .help-list{grid-template-columns:1fr}
      .price-grid{grid-template-columns:1fr}
      .case-list{grid-template-columns:1fr}
    }
    @media (max-width: 820px){
      .nav-links{display:none}
      .nav-cta{display:none}
      .mobile-toggle{display:inline-flex; align-items:center; gap:10px}
      .mobile-drawer{display:block}
      .mobile-drawer{display:none}
      .mobile-drawer.open{display:block}
      .topbar-inner{padding:12px 0}
      .brand{min-width:auto}
      .hero h1{font-size:28px}
      .hero-left{padding:16px}
      .hero-right{padding:0 2px}
    }