:root{
      --bg0:#ffffff;
      --bg1:#f6f7fb;
      --bg2:#eef2ff;
      --card:#ffffff;
      --text:#14161a;
      --muted:#5b6373;
      --muted2:#7b8599;
      --line:rgba(20,22,26,.10);
      --shadow:0 14px 40px rgba(18,33,66,.10);
      --shadow2:0 10px 26px rgba(18,33,66,.10);
      --shadow3:0 6px 18px rgba(18,33,66,.12);
      --brand:#2563eb;
      --brand2:#7c3aed;
      --brand3:#06b6d4;
      --hot:#f97316;
      --ok:#16a34a;
      --warn:#b45309;
      --radius:18px;
      --radius2:26px;
      --container:1160px;
      --pad:18px;
      --focus:0 0 0 4px rgba(37,99,235,.18);
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 520px at 12% -10%, rgba(37,99,235,.16), transparent 60%),
        radial-gradient(860px 520px at 88% 0%, rgba(124,58,237,.12), transparent 58%),
        radial-gradient(700px 460px at 50% 26%, rgba(6,182,212,.10), transparent 60%),
        linear-gradient(#ffffff, #fbfbfe 45%, #f5f7ff 100%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    .skip{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip:focus{
      left:12px;top:12px;width:auto;height:auto;z-index:9999;
      background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:12px;box-shadow:var(--shadow2);
    }

    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(20,22,26,.08);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
    .brand{
      display:flex;align-items:center;gap:10px;min-width:220px;
    }
    .ai-logo{
      width:40px;height:40px;border-radius:12px;
      background:linear-gradient(135deg, rgba(37,99,235,.18), rgba(124,58,237,.18));
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(37,99,235,.22);
      overflow:hidden;
      flex:0 0 auto;
    }
    .ai-logo img{width:100%;height:100%;object-fit:cover;display:block}
    .brand h2{font-size:14px;margin:0;line-height:1.2;color:var(--muted2);font-weight:650}
    .brand .brand-name{
      font-size:16px;margin:0;line-height:1.2;font-weight:820;letter-spacing:.2px;
    }
    .nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .nav-links{
      display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:var(--muted);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition:background .2s ease, border-color .2s ease, transform .2s ease;
    }
    .nav-links a:hover{
      background:rgba(37,99,235,.08);
      border-color:rgba(37,99,235,.20);
      color:#1f2a44;
      transform:translateY(-1px);
    }
    .nav-cta{
      display:flex;align-items:center;gap:10px;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      border-radius:14px;
      border:1px solid rgba(20,22,26,.12);
      background:#fff;
      padding:10px 14px;
      font-size:14px;
      font-weight:760;
      text-decoration:none;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow:var(--focus)}
    .btn:hover{transform:translateY(-1px); box-shadow:var(--shadow3)}
    .btn-primary{
      border:none;
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow:0 12px 30px rgba(37,99,235,.22);
    }
    .btn-primary:hover{
      box-shadow:0 14px 36px rgba(37,99,235,.28);
    }
    .btn-ghost{
      background:rgba(255,255,255,.75);
      border-color:rgba(20,22,26,.10);
    }
    .btn-small{padding:9px 12px;font-size:13px;border-radius:12px}
    .icon{
      width:18px;height:18px;display:inline-block;
    }

    .mobile-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid rgba(20,22,26,.12);
      background:#fff;
      align-items:center;justify-content:center;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .mobile-toggle:focus{outline:none;box-shadow:var(--focus)}
    .mobile-toggle:hover{transform:translateY(-1px);box-shadow:var(--shadow3)}
    .hamburger{width:18px;height:12px;position:relative}
    .hamburger span{
      position:absolute;left:0;right:0;height:2px;background:rgba(20,22,26,.85);
      border-radius:2px;transition:transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .mobile-panel{
      display:none;
      padding:10px 0 16px;
      border-top:1px solid rgba(20,22,26,.08);
    }
    .mobile-panel .mobile-links{
      display:grid;gap:10px;
    }
    .mobile-panel a{
      text-decoration:none;
      padding:12px 12px;
      border:1px solid rgba(20,22,26,.10);
      border-radius:14px;
      background:rgba(255,255,255,.7);
      color:var(--muted);
      font-weight:700;
      font-size:14px;
      transition:transform .15s ease, border-color .2s ease, background .2s ease;
    }
    .mobile-panel a:hover{transform:translateY(-1px);border-color:rgba(37,99,235,.22);background:rgba(37,99,235,.06)}
    .mobile-panel .mobile-ctas{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

    main{padding-bottom:36px}
    section{padding:42px 0}
    .hero{
      padding:30px 0 18px;
    }
    .hero-grid{
      display:grid;gap:18px;
      grid-template-columns: 1.15fr .85fr;
      align-items:stretch;
    }
    .hero-card{
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.66));
      border:1px solid rgba(20,22,26,.10);
      border-radius:var(--radius2);
      box-shadow:0 18px 50px rgba(18,33,66,.10);
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;inset:-2px;
      background:
        radial-gradient(420px 240px at 10% 10%, rgba(37,99,235,.22), transparent 60%),
        radial-gradient(420px 240px at 88% 0%, rgba(124,58,237,.18), transparent 60%),
        radial-gradient(520px 300px at 60% 90%, rgba(6,182,212,.14), transparent 60%);
      pointer-events:none;
      opacity:.9;
      transform:translateZ(0);
    }
    .hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px}
    .kicker{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    }
    .pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 10px;border-radius:999px;
      border:1px solid rgba(37,99,235,.22);
      background:rgba(37,99,235,.08);
      font-weight:800;
      color:#1f3a8a;
      font-size:13px;
    }
    .dot{
      width:9px;height:9px;border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow:0 0 0 4px rgba(37,99,235,.15);
    }
    .hero-title{
      margin:0;
      font-size:40px;
      line-height:1.08;
      letter-spacing:-.6px;
      font-weight:910;
    }
    .grad{
      background:linear-gradient(135deg, #1d4ed8, #7c3aed 55%, #0ea5e9);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-sub{
      margin:0;
      color:var(--muted);
      font-size:16px;
      line-height:1.65;
      max-width:62ch;
    }
    .hero-ctas{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:2px}
    .trust-row{
      display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;
      align-items:center;
      padding-top:10px;
      border-top:1px solid rgba(20,22,26,.08);
    }
    .trust-item{
      display:flex;gap:10px;align-items:center;
      padding:10px 12px;border-radius:16px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(20,22,26,.08);
      min-width:180px;
      flex:1;
    }
    .badge-icon{
      width:34px;height:34px;border-radius:14px;
      background:linear-gradient(135deg, rgba(37,99,235,.15), rgba(124,58,237,.15));
      border:1px solid rgba(37,99,235,.22);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
    }
    .trust-item b{display:block;font-size:14px}
    .trust-item span{display:block;font-size:12px;color:var(--muted2);margin-top:2px;line-height:1.2}

    .hero-side{
      display:flex;flex-direction:column;gap:14px;
    }
    .side-stack{
      background:rgba(255,255,255,.75);
      border:1px solid rgba(20,22,26,.10);
      border-radius:var(--radius2);
      box-shadow:0 18px 50px rgba(18,33,66,.08);
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .side-stack:after{
      content:"";
      position:absolute;right:-120px;top:-120px;width:240px;height:240px;border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(249,115,22,.22), transparent 60%);
      pointer-events:none;
    }
    .side-title{
      margin:0;
      font-size:16px;
      font-weight:900;
      letter-spacing:-.2px;
    }
    .side-note{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.6}
    .metric-grid{
      display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;
      position:relative;z-index:1;
    }
    .metric{
      border-radius:18px;
      border:1px solid rgba(20,22,26,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
      padding:12px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .metric:hover{transform:translateY(-3px); box-shadow:0 16px 36px rgba(18,33,66,.12); border-color:rgba(37,99,235,.24)}
    .metric .num{font-weight:950;font-size:20px;letter-spacing:-.3px}
    .metric .lab{margin-top:4px;color:var(--muted2);font-size:12px;line-height:1.3;font-weight:750}
    .model-list{
      margin-top:14px;
      padding-top:14px;
      border-top:1px solid rgba(20,22,26,.08);
      display:flex;flex-wrap:wrap;gap:8px;
      position:relative;z-index:1;
    }
    .tag{
      font-size:12px;font-weight:820;color:#23314d;
      padding:8px 10px;border-radius:999px;
      background:rgba(37,99,235,.08);
      border:1px solid rgba(37,99,235,.18);
    }
    .side-link-row{
      display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;position:relative;z-index:1;
    }

    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:26px;
      line-height:1.25;
      letter-spacing:-.4px;
      font-weight:950;
    }
    .section-sub{
      margin:6px 0 0;color:var(--muted);font-size:14px;line-height:1.7;
      max-width:68ch;
      font-weight:640;
    }
    .head-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

    .cards-grid{
      display:grid;gap:14px;
    }
    .cards-3{grid-template-columns: repeat(3, minmax(0, 1fr))}
    .cards-4{grid-template-columns: repeat(4, minmax(0, 1fr))}
    .card{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(20,22,26,.10);
      border-radius:var(--radius);
      padding:16px;
      box-shadow:0 10px 30px rgba(18,33,66,.06);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 48px rgba(18,33,66,.12);
      border-color:rgba(37,99,235,.22);
    }
    .card .top{
      display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
    }
    .card .title{
      margin:0;font-weight:930;font-size:15px;letter-spacing:-.2px
    }
    .card .desc{
      margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.65;
      font-weight:640;
    }
    .chip{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 10px;border-radius:14px;
      background:rgba(124,58,237,.10);
      border:1px solid rgba(124,58,237,.20);
      color:#3b2a64;
      font-weight:850;font-size:12px;
      white-space:nowrap;
    }

    .two-col{
      display:grid;gap:16px;align-items:start;
      grid-template-columns: 1fr 1fr;
    }

    .process{
      display:grid;gap:12px;
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .step{
      padding:16px;border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.68));
      border:1px solid rgba(20,22,26,.10);
      box-shadow:0 10px 30px rgba(18,33,66,.06);
      position:relative;
      overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .step:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(18,33,66,.12);border-color:rgba(37,99,235,.22)}
    .step:before{
      content:"";
      position:absolute;left:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(37,99,235,.20), transparent 60%);
      pointer-events:none;
    }
    .step .n{
      display:inline-flex;align-items:center;justify-content:center;
      width:36px;height:36px;border-radius:14px;
      background:rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.22);
      font-weight:950;
      position:relative;z-index:1;
    }
    .step h3{margin:12px 0 0;position:relative;z-index:1;font-size:14px;font-weight:950;letter-spacing:-.2px}
    .step p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.65;font-weight:640;position:relative;z-index:1}

    .comparison-wrap{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(20,22,26,.10);
      border-radius:var(--radius2);
      box-shadow:0 16px 46px rgba(18,33,66,.08);
      padding:16px;
      overflow:hidden;
    }
    .compare-head{
      display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;
      padding:6px 6px 12px;
    }
    .stars{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    }
    .star-row{
      display:flex;gap:4px;
      align-items:center;
    }
    .star{
      width:18px;height:18px;
      display:inline-block;
      background:conic-gradient(from 180deg, #f59e0b, #fb7185, #f59e0b);
      clip-path:polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter:saturate(1.2);
      opacity:.95;
    }
    .score{
      padding:10px 12px;border-radius:16px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.85);
      font-weight:950;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
    }
    .table-scroll{overflow:auto;border-radius:16px;border:1px solid rgba(20,22,26,.08);background:#fff}
    th,td{
      padding:14px 12px;
      border-bottom:1px solid rgba(20,22,26,.08);
      font-size:13px;
      vertical-align:top;
    }
    th{
      background:linear-gradient(180deg, rgba(37,99,235,.10), rgba(37,99,235,.05));
      font-weight:950;
      text-align:left;
      color:#1f2a44;
      position:sticky;
      top:0;
      z-index:1;
    }
    tr:last-child td{border-bottom:none}
    .td-strong{font-weight:930}
    .good{color:#0f766e;font-weight:900}
    .mutedcell{color:var(--muted)}
    .dotlist{margin:0;padding-left:18px}
    .dotlist li{margin:6px 0;color:var(--muted);font-weight:650}
    .dotlist li b{color:#23314d}

    .faq-grid{
      display:grid;gap:12px;
      grid-template-columns: 1fr 1fr;
      align-items:start;
    }
    .faq-item{
      border-radius:18px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 30px rgba(18,33,66,.06);
      overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .faq-item:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(18,33,66,.12);border-color:rgba(37,99,235,.22)}
    .faq-q{
      width:100%;
      background:transparent;
      border:none;
      text-align:left;
      padding:14px 14px;
      cursor:pointer;
      display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
      font-weight:950;
      color:#1f2a44;
      font-size:14px;
    }
    .faq-q:focus{outline:none; box-shadow:var(--focus)}
    .faq-q .meta{
      display:flex;align-items:center;gap:10px;min-width:0;
    }
    .faq-q .qtext{flex:1}
    .chev{
      width:18px;height:18px;flex:0 0 auto;margin-top:2px;
      border-radius:6px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.75);
      display:flex;align-items:center;justify-content:center;
      transition:transform .2s ease;
    }
    .chev svg{display:block}
    .faq-a{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      font-weight:650;
      display:none;
    }
    .faq-item[data-open="true"] .faq-a{display:block}
    .faq-item[data-open="true"] .chev{transform:rotate(180deg)}

    .testimonials{
      display:grid;gap:12px;
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .quote{
      border-radius:var(--radius);
      border:1px solid rgba(20,22,26,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.64));
      padding:16px;
      box-shadow:0 10px 30px rgba(18,33,66,.06);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .quote:before{
      content:"";
      position:absolute;left:-60px;top:-60px;width:160px;height:160px;border-radius:50%;
      background:radial-gradient(circle at 40% 40%, rgba(124,58,237,.18), transparent 60%);
      pointer-events:none;
    }
    .quote:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(18,33,66,.12);border-color:rgba(37,99,235,.22)}
    .quote .who{
      display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1;
    }
    .avatar{
      width:40px;height:40px;border-radius:16px;
      background:linear-gradient(135deg, rgba(37,99,235,.16), rgba(124,58,237,.16));
      border:1px solid rgba(37,99,235,.20);
      display:flex;align-items:center;justify-content:center;
      font-weight:950;
      color:#1f3a8a;
      flex:0 0 auto;
    }
    .who b{font-size:14px}
    .who span{display:block;margin-top:3px;color:var(--muted2);font-size:12px;font-weight:750}
    .quote p{margin:12px 0 0;color:var(--muted);font-size:13px;line-height:1.75;font-weight:650;position:relative;z-index:1}

    .timeline{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 16px 46px rgba(18,33,66,.08);
      padding:16px;
    }
    .timeline-grid{
      display:grid;gap:12px;
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .titem{
      border-radius:18px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.85);
      padding:14px;
      position:relative;
      overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .titem:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(18,33,66,.12);border-color:rgba(37,99,235,.22)}
    .titem:before{
      content:"";
      position:absolute;inset:-1px;
      background:radial-gradient(260px 120px at 20% 0%, rgba(6,182,212,.18), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .titem .top{display:flex;align-items:center;justify-content:space-between;gap:10px;position:relative;z-index:1}
    .titem .tno{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(37,99,235,.08);
      display:flex;align-items:center;justify-content:center;
      font-weight:950;
    }
    .titem h3{margin:10px 0 0;position:relative;z-index:1;font-size:14px;font-weight:950}
    .titem p{margin:8px 0 0;position:relative;z-index:1;color:var(--muted);font-size:13px;line-height:1.65;font-weight:650}

    .case-grid{
      display:grid;gap:14px;
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .case{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 30px rgba(18,33,66,.06);
      padding:14px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      overflow:hidden;
    }
    .case:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(18,33,66,.12);border-color:rgba(37,99,235,.22)}
    .case .thumb{
      border-radius:18px;
      border:1px solid rgba(20,22,26,.08);
      background:
        linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10)),
        rgba(255,255,255,.85);
      padding:12px;
      margin-bottom:12px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;
    }
    .thumb .mini{
      width:56px;height:56px;border-radius:18px;
      border:1px solid rgba(37,99,235,.20);
      background:rgba(37,99,235,.10);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
    }
    .thumb b{font-weight:950}
    .thumb span{display:block;margin-top:3px;color:var(--muted2);font-size:12px;font-weight:750}
    .case ul{margin:0;padding-left:18px}
    .case li{margin:7px 0;color:var(--muted);font-size:13px;font-weight:650;line-height:1.4}

    .article-list{
      display:grid;gap:12px;
      grid-template-columns: 1fr 1fr;
    }
    .article{
      border-radius:var(--radius);
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 30px rgba(18,33,66,.06);
      padding:14px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex;gap:12px;align-items:flex-start;
    }
    .article:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(18,33,66,.12);border-color:rgba(37,99,235,.22)}
    .article .aicon{
      width:42px;height:42px;border-radius:16px;
      background:linear-gradient(135deg, rgba(37,99,235,.14), rgba(6,182,212,.10));
      border:1px solid rgba(37,99,235,.20);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
    }
    .article h3{margin:0;font-size:14px;font-weight:950;letter-spacing:-.2px}
    .article p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.6;font-weight:650}
    .article a{display:inline-flex;align-items:center;gap:8px;margin-top:10px;color:#1d4ed8;text-decoration:none;font-weight:850;font-size:13px}
    .article a:hover{text-decoration:underline}

    .form-card{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,26,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.68));
      box-shadow:0 16px 46px rgba(18,33,66,.08);
      padding:16px;
    }
    .form-grid{
      display:grid;gap:12px;
      grid-template-columns: 1fr 1fr;
      align-items:start;
    }
    .field{
      display:flex;flex-direction:column;gap:8px;
    }
    label{
      font-size:12px;color:var(--muted2);font-weight:850;
    }
    input,select,textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,22,26,.12);
      background:#fff;
      color:var(--text);
      font-weight:700;
      font-size:14px;
      transition:border-color .2s ease, box-shadow .2s ease, transform .15s ease;
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{outline:none;box-shadow:var(--focus);border-color:rgba(37,99,235,.35)}
    .form-actions{
      grid-column:1 / -1;
      display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;
      padding-top:4px;
    }
    .fineprint{
      color:var(--muted2);
      font-size:12px;
      line-height:1.55;
      font-weight:650;
      margin:0;
      max-width:60ch;
    }

    .footer{
      background:linear-gradient(180deg, rgba(255,255,255,.8), rgba(245,247,255,.95));
      border-top:1px solid rgba(20,22,26,.10);
      padding:26px 0;
    }
    .footer-grid{
      display:grid;gap:14px;
      grid-template-columns: 1.3fr 1fr 1fr;
      align-items:start;
    }
    .foot-card{
      border-radius:var(--radius);
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.78);
      padding:14px;
      box-shadow:0 10px 30px rgba(18,33,66,.06);
    }
    .foot-card h3{margin:0;font-size:14px;font-weight:950}
    .foot-card p{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.7;font-weight:650}
    .foot-links{display:flex;flex-direction:column;gap:10px;margin-top:10px}
    .foot-links a{
      text-decoration:none;color:#1f2a44;font-weight:900;font-size:13px;
      border:1px solid rgba(20,22,26,.10);
      padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.75);
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .foot-links a:hover{transform:translateY(-2px);border-color:rgba(37,99,235,.22);box-shadow:0 14px 30px rgba(18,33,66,.12)}
    .copyright{
      margin-top:14px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      color:var(--muted2);
      font-size:12px;
      font-weight:720;
    }

    .float-support{
      position:fixed;right:14px;bottom:14px;z-index:60;
      display:flex;flex-direction:column;gap:10px;
    }
    .float-btn{
      width:54px;height:54px;border-radius:18px;
      border:1px solid rgba(20,22,26,.12);
      background:rgba(255,255,255,.88);
      box-shadow:0 12px 34px rgba(18,33,66,.16);
      cursor:pointer;
      display:flex;align-items:center;justify-content:center;
      transition:transform .15s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .float-btn:hover{transform:translateY(-3px);border-color:rgba(37,99,235,.22);box-shadow:0 18px 48px rgba(18,33,66,.22)}
    .float-btn:focus{outline:none;box-shadow:var(--focus)}
    .float-pop{
      position:absolute;right:64px;bottom:0;
      width:min(320px, calc(100vw - 100px));
      transform-origin:100% 100%;
      transform:scale(.98);
      opacity:0;pointer-events:none;
      transition:opacity .18s ease, transform .18s ease;
      border-radius:18px;
      border:1px solid rgba(20,22,26,.12);
      background:rgba(255,255,255,.92);
      box-shadow:0 20px 60px rgba(18,33,66,.20);
      overflow:hidden;
    }
    .float-pop.open{opacity:1;pointer-events:auto;transform:scale(1)}
    .float-pop .pop-head{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      padding:12px 12px;
      border-bottom:1px solid rgba(20,22,26,.08);
      background:linear-gradient(135deg, rgba(37,99,235,.10), rgba(124,58,237,.08));
    }
    .float-pop .pop-head b{font-size:13px;font-weight:950}
    .float-pop .close{
      width:34px;height:34px;border-radius:14px;border:1px solid rgba(20,22,26,.10);
      background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
      transition:transform .15s ease;
    }
    .float-pop .close:hover{transform:translateY(-1px)}
    .float-pop .pop-body{padding:12px}
    .qr-row{display:flex;gap:12px;align-items:center}
    .qr{
      width:86px;height:86px;border-radius:18px;
      border:1px solid rgba(20,22,26,.10);
      background:#fff;
      overflow:hidden;
      flex:0 0 auto;
      display:flex;align-items:center;justify-content:center;
    }
    .qr img{width:100%;height:100%;object-fit:cover;display:block}
    .qr-row .meta{min-width:0}
    .qr-row .meta b{display:block;font-size:14px;font-weight:950}
    .qr-row .meta span{display:block;margin-top:4px;color:var(--muted);font-size:12px;line-height:1.5;font-weight:720}
    .pop-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
    .pop-links a{
      flex:1;
      min-width:120px;
      text-decoration:none;
      border-radius:14px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.85);
      padding:10px 12px;
      font-weight:900;
      font-size:13px;
      color:#1f2a44;
      transition:transform .15s ease, border-color .2s ease, box-shadow .2s ease;
      text-align:center;
    }
    .pop-links a:hover{transform:translateY(-2px);border-color:rgba(37,99,235,.22);box-shadow:0 14px 30px rgba(18,33,66,.12)}
    .sr-only{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    .reveal{
      opacity:0;
      transform:translateY(12px);
      transition:opacity .6s ease, transform .6s ease;
    }
    .reveal.on{
      opacity:1;transform:translateY(0);
    }

    .anchor-offset{scroll-margin-top:86px}

    .price-row{
      display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:6px;
    }
    .price-box{
      flex:1;
      min-width:240px;
      border-radius:18px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.82);
      padding:14px;
      box-shadow:0 10px 30px rgba(18,33,66,.06);
    }
    .price-box h3{margin:0;font-size:14px;font-weight:950}
    .price-box p{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.7;font-weight:650}
    .price-box .cta-row{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}
    .small-note{
      color:var(--muted2);font-size:12px;line-height:1.5;font-weight:700;margin:10px 0 0
    }

    .token-calculator{
      border-radius:var(--radius2);
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.75);
      box-shadow:0 16px 46px rgba(18,33,66,.08);
      padding:16px;
    }
    .calc-grid{
      display:grid;gap:12px;
      grid-template-columns: 1fr 1fr;
      align-items:start;
    }
    .calc-card{
      border-radius:18px;
      border:1px solid rgba(20,22,26,.10);
      background:rgba(255,255,255,.88);
      padding:14px;
    }
    .calc-card h3{margin:0;font-size:14px;font-weight:950}
    .calc-card p{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.7;font-weight:650}
    .calc-row{
      display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px
    }
    .range-wrap{flex:1;min-width:240px}
    .range-wrap input[type="range"]{width:100%}
    .range-meta{
      display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;
      color:var(--muted2);font-size:12px;font-weight:800;
    }
    .result{
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      border-top:1px dashed rgba(20,22,26,.14);
      margin-top:12px;padding-top:12px
    }
    .result b{font-size:18px;font-weight:950}
    .result span{color:var(--muted2);font-size:12px;font-weight:800;line-height:1.4}

    @media (max-width: 980px){
      :root{--container:980px}
      .hero-grid{grid-template-columns:1fr}
      .hero-title{font-size:34px}
      .cards-4{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .cards-3{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .process{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .faq-grid{grid-template-columns:1fr}
      .testimonials{grid-template-columns:1fr}
      .two-col{grid-template-columns:1fr}
      .timeline-grid{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .case-grid{grid-template-columns: repeat(2, minmax(0, 1fr))}
      .article-list{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .calc-grid{grid-template-columns:1fr}
    }
    @media (max-width: 820px){
      .nav-links{display:none}
      .nav-actions{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel{display:block}
    }
    @media (prefers-reduced-motion: reduce){
      .reveal{opacity:1;transform:none}
      .btn,.card,.step,.faq-item,.quote,.metric,.titem{transition:none}
    }