:root{
      --bg:#0e0818;
      --bg2:#140b22;
      --panel:#1a112b;
      --panel2:#211338;
      --card:#f7f3fb;
      --card2:#ffffff;
      --line:rgba(255,255,255,.12);
      --text:#1f1730;
      --muted:#5e5471;
      --light:#f3ecff;
      --accent:#ff4fc3;
      --accent2:#7f5cff;
      --accent3:#39d0ff;
      --gold:#ffd76b;
      --shadow:0 20px 60px rgba(8,5,19,.24);
      --radius:22px;
      --radius2:16px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(255,79,195,.18), transparent 28%),
        radial-gradient(circle at 80% 0%, rgba(57,208,255,.14), transparent 25%),
        linear-gradient(180deg, #f8f3ff 0%, #fbf8ff 16%, #f7f2ff 34%, #f8f6fb 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,79,195,.08), transparent 20%),
        radial-gradient(circle at 75% 15%, rgba(127,92,255,.08), transparent 22%),
        radial-gradient(circle at 50% 80%, rgba(57,208,255,.06), transparent 25%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{
      width:min(var(--max), calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      background:linear-gradient(90deg, rgba(18,8,31,.98), rgba(41,18,68,.98));
      color:#fff;
      border-bottom:1px solid rgba(255,255,255,.08);
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(14px);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand .ai-page-logo{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:12px;
      background:rgba(255,255,255,.08);
      padding:6px;
      box-shadow:0 8px 24px rgba(255,79,195,.18);
      flex:0 0 auto;
    }
    .brand strong{
      display:block;
      font-size:1rem;
      letter-spacing:.5px;
    }
    .brand span{
      display:block;
      color:rgba(255,255,255,.72);
      font-size:.78rem;
      margin-top:2px;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .menu-btn{
      display:none;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.06);
      color:#fff;
      border-radius:12px;
      padding:10px 12px;
      font-size:.92rem;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:16px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      color:rgba(255,255,255,.88);
      font-size:.92rem;
      padding:8px 10px;
      border-radius:999px;
      transition:.25s ease;
    }
    .nav-links a:hover{background:rgba(255,255,255,.1); color:#fff}
    .cta-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:none;
      border-radius:999px;
      padding:12px 18px;
      font-weight:700;
      cursor:pointer;
      transition:.25s ease;
      box-shadow:0 16px 34px rgba(255,79,195,.24);
      white-space:nowrap;
    }
    .cta-primary{
      background:linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
      color:#fff;
    }
    .cta-ghost{
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.16);
    }
    .hero{
      padding:34px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.16fr .84fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-main{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:
        radial-gradient(circle at 15% 20%, rgba(255,79,195,.22), transparent 25%),
        radial-gradient(circle at 80% 15%, rgba(57,208,255,.16), transparent 24%),
        linear-gradient(135deg, #12081f 0%, #1a102d 55%, #281241 100%);
      color:#fff;
      padding:34px;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.08);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#f4eaff;
      font-size:.88rem;
      border:1px solid rgba(255,255,255,.08);
    }
    h1{
      margin:18px 0 14px;
      font-size:clamp(2rem, 4vw, 3.9rem);
      line-height:1.06;
      letter-spacing:-.03em;
    }
    .hero p{
      margin:0;
      max-width:58ch;
      color:rgba(255,255,255,.82);
      font-size:1.02rem;
      line-height:1.8;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .hero-badges span{
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      font-size:.88rem;
    }
    .hero-aside{
      display:grid;
      gap:16px;
    }
    .mini-panel{
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,241,255,.92));
      border:1px solid rgba(127,92,255,.12);
      box-shadow:0 16px 40px rgba(74,35,122,.12);
      padding:20px;
    }
    .mini-panel h2,.section-title h2{
      margin:0 0 10px;
      font-size:1.45rem;
      line-height:1.2;
      color:#1c1430;
    }
    .mini-panel p,.section-lead,.muted{
      color:var(--muted);
      line-height:1.75;
      margin:0;
    }
    .stat-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:18px;
    }
    .stat{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(244,238,255,.9));
      border:1px solid rgba(127,92,255,.12);
      border-radius:20px;
      padding:18px 14px;
      text-align:center;
      box-shadow:0 10px 28px rgba(42,18,76,.08);
    }
    .stat strong{
      display:block;
      font-size:1.5rem;
      color:#24163f;
    }
    .stat span{display:block;color:var(--muted);font-size:.88rem;margin-top:6px}
    .section{
      padding:18px 0;
    }
    .section-title{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
    }
    .section-title .tag{
      display:inline-flex;
      align-items:center;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,79,195,.12);
      color:#8d1669;
      font-weight:700;
      font-size:.82rem;
    }
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .grid-4{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(127,92,255,.12);
      border-radius:24px;
      box-shadow:0 12px 36px rgba(42,18,76,.08);
      padding:20px;
      transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      box-shadow:0 18px 42px rgba(42,18,76,.14);
      border-color:rgba(255,79,195,.22);
    }
    .card h3,.card h4{
      margin:0 0 10px;
      color:#201535;
      line-height:1.35;
    }
    .card p, .card li{color:var(--muted); line-height:1.75}
    .icon{
      width:46px;height:46px;border-radius:14px;
      background:linear-gradient(135deg, rgba(255,79,195,.16), rgba(127,92,255,.16));
      display:grid;place-items:center;
      color:#8d1f74;
      margin-bottom:14px;
      font-size:1.1rem;
      font-weight:800;
    }
    .pill-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .pill-list span{
      background:#f1ebff;
      color:#432d6a;
      border:1px solid rgba(127,92,255,.12);
      padding:8px 12px;
      border-radius:999px;
      font-size:.88rem;
    }
    .feature-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .feature-list li{
      padding:12px 14px;
      background:#faf7ff;
      border:1px solid rgba(127,92,255,.1);
      border-radius:16px;
    }
    .two-col{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      align-items:start;
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .step{
      background:linear-gradient(180deg, #fff, #f7f1ff);
      border:1px solid rgba(127,92,255,.12);
      border-radius:22px;
      padding:18px;
      position:relative;
    }
    .step strong{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;
      height:34px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      color:#fff;
      margin-bottom:12px;
      box-shadow:0 12px 24px rgba(255,79,195,.22);
    }
    .table-wrap{
      overflow-x:auto;
      border-radius:24px;
      border:1px solid rgba(127,92,255,.12);
      background:#fff;
      box-shadow:0 12px 36px rgba(42,18,76,.08);
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width:920px;
      background:#fff;
    }
    th,td{
      padding:16px 14px;
      text-align:left;
      border-bottom:1px solid #eee6ff;
      vertical-align:top;
      color:#26193e;
    }
    th{
      background:linear-gradient(180deg, #f7efff, #fff);
      font-size:.95rem;
    }
    .high{
      color:#8b146a;
      font-weight:800;
    }
    .compare-box{
      display:grid;
      grid-template-columns: .9fr 1.1fr;
      gap:16px;
    }
    .score{
      background:linear-gradient(135deg, #12081f, #2a1545);
      color:#fff;
      border-radius:26px;
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .score::after{
      content:"";
      position:absolute;
      inset:auto -15% -20% auto;
      width:180px;height:180px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,79,195,.38), transparent 65%);
    }
    .score strong{font-size:3rem;display:block;line-height:1;margin:10px 0}
    .score p{color:rgba(255,255,255,.82);line-height:1.8}
    .rating{
      display:flex;gap:6px;margin:10px 0 16px;color:#ffd76b;font-size:1.15rem
    }
    .accordion{
      display:grid;
      gap:12px;
    }
    details{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(127,92,255,.12);
      border-radius:18px;
      box-shadow:0 10px 28px rgba(42,18,76,.07);
      overflow:hidden;
    }
    summary{
      cursor:pointer;
      list-style:none;
      padding:16px 18px;
      font-weight:700;
      color:#201535;
    }
    summary::-webkit-details-marker{display:none}
    details p{
      margin:0;
      padding:0 18px 16px;
      color:var(--muted);
      line-height:1.8;
    }
    .reviews{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .review .meta{
      display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px
    }
    .review .role{
      color:#8a1467;font-weight:700;font-size:.9rem
    }
    .stars{color:#ffb433;letter-spacing:2px}
    .cases{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .case-media{
      border-radius:18px;
      overflow:hidden;
      margin-bottom:14px;
      aspect-ratio:16/9;
      background:#f2ecff;
      border:1px solid rgba(127,92,255,.12);
    }
    .case-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .article-list{
      display:grid;
      gap:12px;
    }
    .article{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:16px 18px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(127,92,255,.12);
    }
    .article span{
      color:var(--muted);
      font-size:.9rem;
      white-space:nowrap;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:16px;
    }
    form{
      display:grid;
      gap:12px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    label{font-weight:700;color:#24163f;font-size:.95rem}
    input,select,textarea{
      width:100%;
      padding:14px 15px;
      border-radius:14px;
      border:1px solid #dccdf5;
      background:#fff;
      color:#231837;
      font:inherit;
      outline:none;
      transition:border-color .2s ease, box-shadow .2s ease;
    }
    input:focus,select:focus,textarea:focus{
      border-color:#a65bf0;
      box-shadow:0 0 0 4px rgba(166,91,240,.12);
    }
    textarea{min-height:120px;resize:vertical}
    .aside-contact{
      display:grid;
      gap:14px;
    }
    .qr{
      display:grid;
      grid-template-columns:120px 1fr;
      gap:14px;
      align-items:center;
      background:linear-gradient(180deg, #fff, #f7f1ff);
      border:1px solid rgba(127,92,255,.12);
      border-radius:22px;
      padding:16px;
    }
    .qr img{
      width:120px;height:120px;object-fit:cover;border-radius:16px;border:1px solid #eadfff;background:#fff;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-cloud a{
      padding:8px 12px;
      border-radius:999px;
      background:#f2ebff;
      color:#432b72;
      border:1px solid rgba(127,92,255,.12);
      font-size:.9rem;
    }
    .footer{
      margin-top:18px;
      background:linear-gradient(180deg, #140b22, #0e0818);
      color:#fff;
      padding:28px 0 22px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:start;
    }
    .footer a{color:#f6d9ff}
    .footer small,.footer p,.footer li{color:rgba(255,255,255,.74);line-height:1.8}
    .footer h3{margin:0 0 10px}
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:8px 14px;
    }
    .footer-links a{
      display:inline-flex;
      padding:6px 0;
    }
    .floating{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:60;
      display:grid;
      gap:10px;
    }
    .float-btn{
      width:52px;
      height:52px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      color:#fff;
      box-shadow:0 16px 30px rgba(117,54,207,.28);
      font-weight:800;
    }
    .float-btn.secondary{
      background:#fff;
      color:#7d2a89;
      border:1px solid rgba(127,92,255,.16);
    }
    .reveal{
      opacity:0;
      transform:translateY(18px);
      transition:opacity .55s ease, transform .55s ease;
    }
    .reveal.show{
      opacity:1;
      transform:none;
    }
    @media (max-width: 1080px){
      .hero-grid,.compare-box,.form-grid,.footer-grid,.two-col{grid-template-columns:1fr}
      .grid-4,.grid-3,.reviews,.cases,.steps{grid-template-columns:repeat(2,1fr)}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-links.open{
        display:flex;
        width:100%;
        padding:12px 0 0;
        justify-content:flex-start;
      }
      .nav{flex-wrap:wrap}
      .nav-actions{width:100%;justify-content:space-between}
    }
    @media (max-width: 720px){
      .container{width:min(var(--max), calc(100% - 20px))}
      .hero-main{padding:24px}
      .stat-grid,.grid-4,.grid-3,.reviews,.cases,.steps{grid-template-columns:1fr}
      .section-title{flex-direction:column;align-items:flex-start}
      .hero-actions .cta-btn{width:100%}
      .qr{grid-template-columns:1fr}
      .qr img{width:100%;height:auto;aspect-ratio:1/1}
      .floating{right:12px;bottom:12px}
    }