:root{
      --bg0:#fbfafc;
      --bg1:#ffffff;
      --text:#1f2328;
      --muted:#5b6572;
      --muted2:#7a8493;
      --border:rgba(17,24,39,.12);
      --shadow: 0 10px 30px rgba(17,24,39,.08);
      --shadow2: 0 8px 20px rgba(17,24,39,.10);
      --ring: rgba(59,130,246,.22);
      --brand1:#6d5efc;
      --brand2:#22c55e;
      --brand3:#06b6d4;
      --brand4:#f97316;
      --brand5:#e11d48;
      --btn:#1f2937;
      --btnText:#ffffff;
      --card:#ffffff;
      --chipBg: rgba(109,94,252,.10);
      --chipText:#3b2fb3;
      --grad: linear-gradient(120deg, rgba(109,94,252,.18), rgba(6,182,212,.16), rgba(34,197,94,.14), rgba(249,115,22,.14));
      --gradStrong: linear-gradient(120deg, #6d5efc 0%, #06b6d4 35%, #22c55e 70%, #f97316 100%);
      --gradSoft: linear-gradient(120deg, rgba(109,94,252,.22), rgba(6,182,212,.18), rgba(34,197,94,.16), rgba(249,115,22,.16));
      --focus: 0 0 0 4px var(--ring);
      --radius:18px;
      --radius2:24px;
      --max: 1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 520px at 15% -10%, rgba(109,94,252,.14), transparent 55%),
        radial-gradient(900px 520px at 90% 0%, rgba(6,182,212,.12), transparent 50%),
        radial-gradient(800px 520px at 55% 10%, rgba(34,197,94,.10), transparent 52%),
        linear-gradient(180deg, var(--bg0), #fff 45%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 18px;
    }
    .skip-link{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip-link:focus{
      left:16px;top:16px;width:auto;height:auto;z-index:9999;background:#fff;border:1px solid var(--border);padding:10px 12px;border-radius:12px;
      box-shadow:var(--shadow2);
    }

    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,250,252,.72);
      border-bottom: 1px solid rgba(17,24,39,.08);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:160px;
    }
    .ai-page-logo{
      width:38px;height:38px;object-fit:contain;flex:none;
    }
    .brand-title{
      display:flex;flex-direction:column;line-height:1.15;
    }
    .brand-title strong{font-size:14px;letter-spacing:.2px}
    .brand-title span{font-size:12px;color:var(--muted)}
    nav .menu{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end;
    }
    .navlink{
      text-decoration:none;
      font-size:13px;color:var(--muted);
      padding:8px 10px;border-radius:12px;
      border:1px solid transparent;
      transition: background .2s, border-color .2s, transform .2s, color .2s;
      white-space:nowrap;
    }
    .navlink:hover{
      background: rgba(109,94,252,.08);
      border-color: rgba(109,94,252,.16);
      color: #2b2f39;
      transform: translateY(-1px);
    }
    .nav-actions{
      display:flex;align-items:center;gap:10px;
    }
    .btn{
      appearance:none;border:1px solid transparent;border-radius:14px;
      padding:10px 14px;cursor:pointer;
      font-weight:650;font-size:13px;letter-spacing:.2px;
      display:inline-flex;align-items:center;gap:10px;
      transition: transform .15s, box-shadow .15s, background .15s, border-color .15s;
      user-select:none;white-space:nowrap;
    }
    .btn:active{transform: translateY(0)}
    .btn-primary{
      color:var(--btnText); background: var(--btn);
      box-shadow: 0 12px 24px rgba(31,41,55,.16);
    }
    .btn-primary:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 28px rgba(31,41,55,.20);
    }
    .btn-ghost{
      background: rgba(255,255,255,.55);
      border-color: rgba(17,24,39,.12);
      color: #23272f;
    }
    .btn-ghost:hover{
      transform: translateY(-1px);
      border-color: rgba(109,94,252,.26);
      box-shadow: 0 12px 28px rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
    }
    .btn-small{
      padding:9px 12px;border-radius:13px;font-size:12.5px;
    }
    .burger{
      display:none;
      width:42px;height:42px;border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.65);
      align-items:center;justify-content:center;
      cursor:pointer;
      transition: transform .15s, background .15s, border-color .15s;
    }
    .burger:hover{transform: translateY(-1px); border-color: rgba(109,94,252,.26); background: rgba(255,255,255,.85);}
    .burger svg{width:18px;height:18px}
    .mobile-panel{
      display:none;
      padding:12px 0 16px;
    }
    .mobile-panel .mobile-menu{
      display:flex;flex-direction:column;gap:8px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(17,24,39,.10);
      border-radius:18px;padding:12px;
      box-shadow: var(--shadow2);
    }
    .mobile-panel .navlink{
      padding:10px 12px;border-radius:14px;
      border:1px solid rgba(17,24,39,.06);
      background: rgba(109,94,252,.06);
      color:#2b2f39;
    }
    .mobile-panel .nav-actions{justify-content:flex-start;flex-wrap:wrap;margin-top:6px}

    .hero{
      padding: 34px 0 12px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-left{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.08);
      background:
        radial-gradient(700px 340px at 5% 0%, rgba(109,94,252,.22), transparent 60%),
        radial-gradient(520px 300px at 80% 10%, rgba(6,182,212,.18), transparent 60%),
        radial-gradient(520px 300px at 55% 100%, rgba(34,197,94,.14), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.68));
      box-shadow: 0 18px 50px rgba(17,24,39,.08);
      padding: 22px;
      position:relative;
      overflow:hidden;
      min-height: 320px;
    }
    .hero-left:before{
      content:"";
      position:absolute;inset:-2px;
      background: var(--grad);
      opacity:.65;
      mask: radial-gradient(400px 240px at 18% 10%, #000 15%, transparent 60%);
      pointer-events:none;
    }
    .hero-top{
      display:flex;gap:10px;align-items:center;flex-wrap:wrap;
      position:relative;
      z-index:1;
    }
    .pill{
      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);
      color:#2d323c;
      font-size:12.5px;font-weight:650;
    }
    .pill .dot{
      width:10px;height:10px;border-radius:50%;
      background: var(--gradStrong);
      box-shadow: 0 0 0 4px rgba(109,94,252,.12);
    }
    .hero h1{
      margin:14px 0 8px;
      font-size: 30px;
      letter-spacing:-.4px;
      line-height:1.15;
      position:relative;z-index:1;
    }
    .hero p{
      margin:0;
      color:var(--muted);
      font-size:14.5px;line-height:1.7;
      position:relative;z-index:1;
      max-width: 62ch;
    }
    .hero-cta{
      display:flex;gap:12px;align-items:center;flex-wrap:wrap;
      margin-top:16px;
      position:relative;z-index:1;
    }
    .hero-note{
      display:flex;align-items:center;gap:10px;margin-top:14px;
      color:var(--muted2);
      font-size:12.5px;
      position:relative;z-index:1;
    }
    .check{
      width:18px;height:18px;border-radius:6px;
      display:inline-flex;align-items:center;justify-content:center;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.22);
      color:#147a33;
      flex:none;
    }
    .hero-right{
      display:flex;flex-direction:column;gap:12px;
    }
    .data-wall{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.75);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      padding: 14px;
      overflow:hidden;
      position:relative;
    }
    .data-wall:after{
      content:"";
      position:absolute;inset:-40px;
      background: radial-gradient(circle at 30% 0%, rgba(109,94,252,.20), transparent 40%),
                  radial-gradient(circle at 80% 20%, rgba(6,182,212,.16), transparent 45%),
                  radial-gradient(circle at 50% 100%, rgba(34,197,94,.14), transparent 50%);
      pointer-events:none;
      opacity:.9;
    }
    .data-wall-inner{position:relative;z-index:1;}
    .data-title{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      margin-bottom:10px;
    }
    .data-title strong{font-size:14px}
    .badge-live{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 10px;border-radius:999px;
      background: rgba(6,182,212,.10);
      border:1px solid rgba(6,182,212,.18);
      color:#065f73;font-weight:700;font-size:12px;
    }
    .badge-live i{
      width:8px;height:8px;border-radius:50%;
      background: #06b6d4;
      box-shadow: 0 0 0 6px rgba(6,182,212,.12);
      display:inline-block;
      animation: pulse 1.7s ease-in-out infinite;
    }
    @keyframes pulse{
      0%,100%{transform: scale(1);opacity:.9}
      50%{transform: scale(1.2);opacity:.65}
    }
    .metrics{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding:12px 12px;
      transition: transform .18s, box-shadow .18s, border-color .18s;
      min-height:86px;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 35px rgba(17,24,39,.10);
      border-color: rgba(109,94,252,.20);
    }
    .metric .k{font-size:12px;color:var(--muted);margin-bottom:6px}
    .metric .v{
      font-size:18px;font-weight:850;letter-spacing:-.2px;
      display:flex;align-items:baseline;gap:6px;
    }
    .metric .v small{
      font-size:12px;color:var(--muted);
      font-weight:700;
    }
    .metric .bar{
      margin-top:10px;height:8px;border-radius:999px;
      background: rgba(17,24,39,.06);
      overflow:hidden;
      border:1px solid rgba(17,24,39,.07);
    }
    .metric .bar > span{
      display:block;height:100%;
      width: var(--w,60%);
      background: linear-gradient(90deg, rgba(109,94,252,.85), rgba(6,182,212,.80), rgba(34,197,94,.78));
      border-radius:999px;
      transition: width .7s cubic-bezier(.2,.8,.2,1);
    }
    .metric.inview .bar > span{width: var(--w,60%)}

    .quick-card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.60));
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      padding: 14px;
    }
    .quick-card h3{
      margin:0 0 8px;font-size:14px
    }
    .quick-items{
      display:flex;flex-wrap:wrap;gap:8px;
    }
    .chip{
      padding:8px 10px;border-radius:999px;
      background: var(--chipBg);
      border:1px solid rgba(109,94,252,.16);
      color: var(--chipText);
      font-weight:700;font-size:12px;
      transition: transform .15s, background .15s;
    }
    .chip:hover{transform: translateY(-1px); background: rgba(109,94,252,.14)}
    .anchor-row{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      margin-top:10px;
      border-top:1px solid rgba(17,24,39,.08);
      padding-top:10px;
    }
    .anchor-row .small{
      color:var(--muted2);font-size:12.5px;line-height:1.5
    }

    section{padding: 18px 0;}
    .section-title{
      display:flex;align-items:flex-end;justify-content:space-between;gap:12px;
      margin-bottom:12px;
    }
    .section-title h2{
      margin:0;
      font-size:20px;letter-spacing:-.2px
    }
    .section-title p{
      margin:0;color:var(--muted);font-size:13.5px;line-height:1.6;max-width:60ch
    }

    .grid-3{
      display:grid;grid-template-columns: repeat(3, 1fr);gap:12px;
    }
    .grid-2{
      display:grid;grid-template-columns: repeat(2, 1fr);gap:12px;
    }
    .card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(17,24,39,.08);
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
      padding: 14px;
      transition: transform .18s, box-shadow .18s, border-color .18s, background .18s;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 48px rgba(17,24,39,.10);
      border-color: rgba(109,94,252,.18);
      background: rgba(255,255,255,.88);
    }
    .card h3{margin:6px 0 6px;font-size:15px}
    .card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.65}
    .icon{
      width:40px;height:40px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(109,94,252,.10);
      color:#2b2f39;
    }
    .icon svg{width:18px;height:18px}
    .list{
      margin:10px 0 0;padding:0;list-style:none;
      display:grid;gap:10px;
    }
    .li{
      display:flex;gap:10px;align-items:flex-start;
      color:var(--muted);font-size:13.5px;line-height:1.6
    }
    .li b{color:#2a2f38}
    .li .tick{
      width:18px;height:18px;border-radius:7px;flex:none;
      display:flex;align-items:center;justify-content:center;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.22);
      color:#147a33;
      margin-top:1px;
    }

    .steps{
      display:grid;grid-template-columns: repeat(4, 1fr);gap:12px;align-items:stretch;
    }
    .step{
      position:relative;
      overflow:hidden;
    }
    .step .num{
      width:34px;height:34px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      font-weight:900;
      background: rgba(109,94,252,.12);
      border:1px solid rgba(109,94,252,.20);
      color:#3b2fb3;
    }
    .step h3{margin-top:10px}
    .step p{margin-top:6px}
    .step:after{
      content:"";
      position:absolute;right:-50px;top:-50px;
      width:120px;height:120px;border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(109,94,252,.18), transparent 62%);
      pointer-events:none;
      opacity:.9;
    }
    .step .meta{
      margin-top:10px;
      display:flex;flex-wrap:wrap;gap:8px
    }
    .tag{
      padding:7px 10px;border-radius:999px;
      background: rgba(6,182,212,.10);
      border:1px solid rgba(6,182,212,.18);
      color:#065f73;font-weight:750;font-size:12px;
    }
    .tag.alt{
      background: rgba(34,197,94,.10);
      border-color: rgba(34,197,94,.18);
      color:#146c34;
    }

    .two-col{
      display:grid;grid-template-columns: 1fr 1fr;gap:12px;align-items:start;
    }
    .bg-veil{
      background: linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.62));
    }
    .compare-wrap{
      border-radius: var(--radius2);
      background:
        radial-gradient(900px 420px at 10% -20%, rgba(109,94,252,.18), transparent 55%),
        radial-gradient(700px 380px at 90% 0%, rgba(6,182,212,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      border:1px solid rgba(17,24,39,.08);
      box-shadow: 0 18px 55px rgba(17,24,39,.08);
      padding: 16px;
    }
    .compare-top{
      display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;
      margin-bottom:12px;
    }
    .rating{
      display:flex;align-items:center;gap:12px;
      padding:12px 12px;border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      min-width: 260px;
    }
    .stars{
      display:flex;gap:4px;align-items:center;
    }
    .star{
      width:18px;height:18px;display:inline-block;
      background: var(--gradStrong);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow: 0 8px 18px rgba(109,94,252,.20);
    }
    .rating .text strong{
      font-size:16px;letter-spacing:-.2px;display:block
    }
    .rating .text span{color:var(--muted);font-size:13px}
    .score{
      margin-left:auto;
      border-radius:18px;
      padding:12px 14px;
      border:1px solid rgba(109,94,252,.18);
      background: rgba(109,94,252,.10);
      color:#2b2f39;
      min-width: 170px;
    }
    .score strong{font-size:22px;display:block}
    .score span{color:var(--muted);font-size:13px}
    .compare-table{
      width:100%;
      border-collapse: collapse;
      overflow:hidden;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
    }
    .compare-table th, .compare-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      vertical-align:top;
      text-align:left;
      font-size:13.5px;
      line-height:1.5;
    }
    .compare-table th{
      background: rgba(109,94,252,.08);
      color:#2b2f39;
      font-weight:800;
      position:sticky;
      top:0;
      z-index:1;
    }
    .compare-table tr:last-child td{border-bottom:none}
    .ok{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 10px;border-radius:999px;
      border:1px solid rgba(34,197,94,.20);
      background: rgba(34,197,94,.10);
      color:#146c34;
      font-weight:800;
      white-space:nowrap;
    }
    .mid{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 10px;border-radius:999px;
      border:1px solid rgba(6,182,212,.20);
      background: rgba(6,182,212,.10);
      color:#065f73;
      font-weight:800;
      white-space:nowrap;
    }
    .small-muted{color:var(--muted);font-size:12.5px;margin-top:6px}

    .timeline{
      display:grid;gap:12px;
      grid-template-columns: 1fr 1fr;
    }
    .timeline-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;border-radius:18px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 30px rgba(17,24,39,.05);
    }
    .t-dot{
      width:34px;height:34px;border-radius:14px;
      background: rgba(6,182,212,.12);
      border:1px solid rgba(6,182,212,.18);
      display:flex;align-items:center;justify-content:center;
      flex:none;
      color:#065f73;
      font-weight:900;
    }
    .timeline-item h3{margin:0;font-size:14.5px}
    .timeline-item p{margin:6px 0 0;color:var(--muted);font-size:13.5px;line-height:1.6}

    .article-grid{
      display:grid;grid-template-columns: 1.2fr .8fr;gap:12px;align-items:start;
    }
    .article-list{
      display:grid;gap:10px;margin-top:10px;
    }
    .article-item{
      display:flex;gap:12px;align-items:flex-start;justify-content:space-between;
      padding:12px;border-radius:18px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.72);
      transition: transform .18s, box-shadow .18s, border-color .18s;
    }
    .article-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
      border-color: rgba(109,94,252,.18);
    }
    .article-item .left{
      display:flex;gap:12px;align-items:flex-start
    }
    .article-k{
      width:38px;height:38px;border-radius:16px;
      border:1px solid rgba(109,94,252,.18);
      background: rgba(109,94,252,.10);
      display:flex;align-items:center;justify-content:center;
      flex:none;
      color:#3b2fb3;
      font-weight:900;
      font-size:12px;
    }
    .article-item h3{margin:0;font-size:14.5px;line-height:1.3}
    .article-item p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.5}
    .article-item a{
      text-decoration:none;color:#2b2f39;
      font-weight:850;font-size:13px;
      padding:8px 10px;border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      transition: transform .15s, border-color .15s, background .15s;
      align-self:flex-start;flex:none;
    }
    .article-item a:hover{transform: translateY(-1px);border-color: rgba(109,94,252,.22);background: rgba(255,255,255,.85)}
    .side-card{
      border-radius: var(--radius2);
      padding:14px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.70);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
    }
    .side-card h3{margin:0 0 8px;font-size:14.5px}
    .side-card .hint{margin:0;color:var(--muted);font-size:13.5px;line-height:1.65}
    .side-card .callouts{
      margin-top:12px;display:grid;gap:10px;
    }
    .callout{
      padding:12px;border-radius:18px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.74);
      display:flex;gap:12px;align-items:flex-start;
    }
    .callout b{display:block;font-size:13.5px;margin-top:1px}
    .callout span{display:block;color:var(--muted);font-size:12.8px;line-height:1.55;margin-top:4px}

    details.faq{
      border-radius:18px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.75);
      box-shadow: 0 10px 28px rgba(17,24,39,.05);
      overflow:hidden;
      transition: border-color .18s, transform .18s, box-shadow .18s;
    }
    details.faq[open]{
      border-color: rgba(109,94,252,.22);
      box-shadow: 0 18px 52px rgba(17,24,39,.10);
      transform: translateY(-1px);
    }
    details.faq summary{
      cursor:pointer;
      list-style:none;
      padding:14px 14px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      font-weight:850;
      font-size:14.5px;
      color:#2b2f39;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex;align-items:center;gap:10px;flex:none;
      color:var(--muted2);font-weight:800;font-size:12.5px;
    }
    .chev{
      width:26px;height:26px;border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      display:flex;align-items:center;justify-content:center;
      transition: transform .2s;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq-body{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13.5px;line-height:1.7;
    }
    .faq-body p{margin:10px 0 0}

    .comments{
      display:grid;grid-template-columns: repeat(3, 1fr);gap:12px;
    }
    .comment{
      border-radius: var(--radius2);
      padding:14px;
      background: rgba(255,255,255,.76);
      border:1px solid rgba(17,24,39,.08);
      box-shadow: 0 12px 34px rgba(17,24,39,.06);
      display:flex;flex-direction:column;gap:10px;
      transition: transform .18s, box-shadow .18s, border-color .18s;
    }
    .comment:hover{transform: translateY(-2px);box-shadow: 0 18px 52px rgba(17,24,39,.10);border-color: rgba(6,182,212,.18)}
    .avatar{
      width:40px;height:40px;border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(180deg, rgba(109,94,252,.14), rgba(6,182,212,.10));
      display:flex;align-items:center;justify-content:center;
      font-weight:950;color:#2b2f39;
      flex:none;
    }
    .comment .top{
      display:flex;align-items:flex-start;gap:12px
    }
    .comment h3{margin:0;font-size:14.5px}
    .comment .role{color:var(--muted);font-size:12.8px;margin-top:4px}
    .comment .quote{
      margin:0;
      color:var(--text);
      font-size:13.5px;line-height:1.7;
    }
    .comment .meta{
      margin-top:auto;
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      border-top: 1px solid rgba(17,24,39,.08);
      padding-top:10px;
      color:var(--muted2);font-size:12.5px;
    }

    .case-grid{
      display:grid;grid-template-columns: repeat(3, 1fr);gap:12px;
    }
    .case{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.76);
      box-shadow: 0 12px 34px rgba(17,24,39,.06);
      overflow:hidden;
      display:flex;flex-direction:column;
      transition: transform .18s, box-shadow .18s, border-color .18s;
      min-height: 270px;
    }
    .case:hover{transform: translateY(-2px);box-shadow: 0 18px 52px rgba(17,24,39,.10);border-color: rgba(109,94,252,.18)}
    .case .art{
      padding:14px;
      background:
        radial-gradient(420px 180px at 10% 10%, rgba(109,94,252,.18), transparent 60%),
        radial-gradient(360px 160px at 90% 20%, rgba(6,182,212,.16), transparent 60%),
        radial-gradient(360px 180px at 50% 110%, rgba(34,197,94,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.64), rgba(255,255,255,.46));
      border-bottom:1px solid rgba(17,24,39,.08);
      min-height: 120px;
      position:relative;
    }
    .case .art .shape{
      width:74px;height:74px;border-radius:26px;
      background: conic-gradient(from 220deg, rgba(109,94,252,.55), rgba(6,182,212,.50), rgba(34,197,94,.45), rgba(249,115,22,.45), rgba(225,29,72,.45));
      filter: saturate(1.1);
      box-shadow: 0 22px 52px rgba(109,94,252,.16);
      border:1px solid rgba(255,255,255,.55);
      position:absolute;left:14px;top:14px;
      transform: rotate(6deg);
      transition: transform .2s;
    }
    .case:hover .shape{transform: rotate(0deg) translateY(-2px)}
    .case .art .mini{
      position:absolute;right:12px;bottom:12px;
      padding:10px 12px;border-radius:18px;
      background: rgba(255,255,255,.65);
      border:1px solid rgba(17,24,39,.10);
      color:#2b2f39;font-weight:900;
      font-size:12.5px;
    }
    .case .body{
      padding:14px;display:flex;flex-direction:column;gap:10px;flex:1;
    }
    .case .body h3{margin:0;font-size:15px;letter-spacing:-.2px}
    .case .body p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7}
    .case .bul{
      display:flex;flex-wrap:wrap;gap:8px;margin-top:auto
    }
    .bullet{
      padding:7px 10px;border-radius:999px;
      background: rgba(109,94,252,.10);
      border:1px solid rgba(109,94,252,.16);
      color:#3b2fb3;font-weight:850;font-size:12px;
    }

    .form-grid{
      display:grid;grid-template-columns: 1fr 1fr;gap:12px;
    }
    form{
      margin-top:10px;
    }
    .field{
      display:flex;flex-direction:column;gap:8px;
    }
    label{
      font-size:12.8px;color:var(--muted2);font-weight:800;
    }
    input, select, textarea{
      width:100%;
      padding:11px 12px;border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.82);
      color:var(--text);
      font-size:14px;
      outline:none;
      transition: box-shadow .15s, border-color .15s, background .15s;
    }
    textarea{min-height:120px;resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(109,94,252,.35);
      box-shadow: var(--focus);
      background: rgba(255,255,255,.98);
    }
    .form-actions{
      display:flex;gap:12px;align-items:center;justify-content:flex-start;flex-wrap:wrap;
      margin-top:12px;
      border-top:1px solid rgba(17,24,39,.08);
      padding-top:12px;
    }
    .hint-line{
      color:var(--muted2);font-size:12.8px;line-height:1.6;
      margin:0;
    }
    .captcha-row{
      display:flex;align-items:center;gap:10px;margin-top:8px;color:var(--muted2);font-size:12.8px;
    }
    .checkbox{
      width:18px;height:18px;border-radius:6px;border:1px solid rgba(17,24,39,.18);
      display:inline-flex;align-items:center;justify-content:center;
      background: rgba(255,255,255,.75);
      flex:none;
    }
    .checkbox input{
      width:100%;height:100%;opacity:0;cursor:pointer;
      margin:0;position:absolute;
    }
    .checkbox:has(input:checked){
      background: rgba(34,197,94,.12);
      border-color: rgba(34,197,94,.30);
    }
    .checkbox .mark{display:none}
    .checkbox:has(input:checked) .mark{display:block}
    .checkbox .mark svg{width:14px;height:14px;color:#147a33}
    .submit-status{
      margin-top:10px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      padding:12px;
      color:var(--muted);
      font-size:13.5px;
      display:none;
    }

    .tagcloud{
      display:flex;flex-wrap:wrap;gap:10px;
      padding-top:8px;
    }
    .cloud{
      padding:8px 10px;border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      color:#2b2f39;font-weight:850;font-size:12.5px;
      transition: transform .15s, border-color .15s, background .15s;
      cursor:pointer;
      user-select:none;
    }
    .cloud:hover{
      transform: translateY(-1px);
      border-color: rgba(109,94,252,.22);
      background: rgba(255,255,255,.90);
    }
    .selected{
      background: rgba(109,94,252,.12);
      border-color: rgba(109,94,252,.28);
      color:#2b2f39;
    }
    .price-grid{
      display:grid;grid-template-columns: 1.15fr .85fr;gap:12px;align-items:start;
    }
    .price-card{
      border-radius: var(--radius2);
      padding:14px;
      border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
    }
    .price-card h3{margin:0 0 6px;font-size:15px}
    .price-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.65}
    .token-table{
      margin-top:12px;
      overflow:auto;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
    }
    .token-table table{width:100%;border-collapse:collapse;min-width: 560px}
    .token-table th, .token-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      text-align:left;
      font-size:13.5px;
      vertical-align:top;
      white-space:nowrap;
    }
    .token-table th{background: rgba(6,182,212,.08);font-weight:900}
    .token-table tr:last-child td{border-bottom:none}
    .price-mini{
      display:grid;gap:10px;margin-top:12px;
    }
    .mini-row{
      padding:12px;border-radius:18px;border:1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.72);
      display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
    }
    .mini-row b{display:block;font-size:13.5px}
    .mini-row span{display:block;color:var(--muted);font-size:12.8px;line-height:1.55;margin-top:4px}
    .mini-row strong{
      font-size:13.5px;color:#2b2f39;background: rgba(34,197,94,.10);
      border:1px solid rgba(34,197,94,.18);
      padding:7px 10px;border-radius:999px;white-space:nowrap;
    }

    footer{
      padding: 18px 0 26px;
      border-top: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.70);
      backdrop-filter: blur(10px);
    }
    .footer-grid{
      display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:flex-start;
      padding-top:16px;
    }
    .footer-left{min-width:260px}
    .footer-left .foot-brand{
      display:flex;align-items:center;gap:12px;
    }
    .foot-logo{width:34px;height:34px;object-fit:contain}
    .footer-left p{
      margin:10px 0 0;color:var(--muted);font-size:13.5px;line-height:1.7;
      max-width:56ch;
    }
    .footer-cols{
      display:grid;grid-template-columns: repeat(2, minmax(160px, 1fr));gap:12px;
    }
    .foot-col h3{
      margin:0 0 10px;font-size:14px
    }
    .foot-links{
      display:grid;gap:8px;
    }
    .foot-links a{
      text-decoration:none;color:var(--muted);font-size:13.5px;
      border:1px solid transparent;border-radius:12px;padding:8px 10px;
      transition: background .15s, border-color .15s, transform .15s, color .15s;
    }
    .foot-links a:hover{
      background: rgba(109,94,252,.08);
      border-color: rgba(109,94,252,.16);
      transform: translateY(-1px);
      color:#2b2f39;
    }
    .foot-bottom{
      margin-top:16px;
      display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;
      color:var(--muted2);font-size:12.8px;
      border-top:1px dashed rgba(17,24,39,.12);
      padding-top:12px;
    }
    .foot-bottom .right{
      display:flex;gap:10px;align-items:center;flex-wrap:wrap;
    }
    .link-inline{
      text-decoration:none;border:1px solid rgba(17,24,39,.12);
      padding:8px 10px;border-radius:12px;background: rgba(255,255,255,.60);
      color: #2b2f39;font-weight:850;font-size:12.8px;
      transition: transform .15s, border-color .15s, background .15s;
    }
    .link-inline:hover{transform: translateY(-1px);border-color: rgba(6,182,212,.22);background: rgba(255,255,255,.85)}
    .float-kefu{
      position:fixed;right:14px;bottom:14px;z-index:60;
      display:flex;flex-direction:column;gap:10px;align-items:flex-end;
    }
    .kefu-pop{
      width: 210px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.85);
      box-shadow: 0 20px 60px rgba(17,24,39,.15);
      padding: 12px;
      display:none;
    }
    .kefu-pop .row{
      display:flex;gap:12px;align-items:flex-start;
    }
    .kefu-pop h3{margin:0;font-size:13.5px}
    .kefu-pop p{margin:6px 0 0;color:var(--muted);font-size:12.8px;line-height:1.6}
    .kefu-pop img{
      width:56px;height:56px;border-radius:16px;border:1px solid rgba(17,24,39,.10);object-fit:cover;flex:none;
      background:#fff;
    }
    .kefu-actions{
      margin-top:10px;display:flex;gap:10px;align-items:center;justify-content:space-between;
    }
    .kefu-toggle{
      width:52px;height:52px;border-radius:18px;
      border:1px solid rgba(17,24,39,.12);
      background: linear-gradient(180deg, rgba(109,94,252,.18), rgba(6,182,212,.12));
      box-shadow: 0 18px 55px rgba(109,94,252,.16);
      display:flex;align-items:center;justify-content:center;
      cursor:pointer;
      transition: transform .18s, box-shadow .18s;
    }
    .kefu-toggle:hover{transform: translateY(-2px);box-shadow: 0 22px 66px rgba(109,94,252,.22)}
    .kefu-toggle svg{width:22px;height:22px}
    .to-top{
      width:52px;height:52px;border-radius:18px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 55px rgba(17,24,39,.12);
      display:flex;align-items:center;justify-content:center;
      cursor:pointer;
      transition: transform .18s, box-shadow .18s, opacity .2s;
      opacity:0;
      pointer-events:none;
    }
    .to-top.show{opacity:1;pointer-events:auto}
    .to-top:hover{transform: translateY(-2px);box-shadow: 0 22px 66px rgba(17,24,39,.18)}
    .to-top svg{width:20px;height:20px}
    .reveal{
      opacity:0;
      transform: translateY(14px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-left{min-height: unset}
      .grid-3{grid-template-columns: repeat(2, 1fr)}
      .steps{grid-template-columns: repeat(2, 1fr)}
      .comments{grid-template-columns: 1fr 1fr}
      .case-grid{grid-template-columns: 1fr 1fr}
      .article-grid{grid-template-columns: 1fr}
      .timeline{grid-template-columns: 1fr}
      .price-grid{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
    }
    @media (max-width: 720px){
      .menu{display:none}
      .burger{display:flex}
      .mobile-panel{display:block}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr}
      .comments{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .kefu-pop{width: 200px}
    }