:root{
      --bg:#f6f2ff;
      --bg2:#fff8fb;
      --panel:rgba(255,255,255,.78);
      --panel-strong:#ffffff;
      --line:rgba(85,47,132,.14);
      --text:#1e1730;
      --muted:#63577f;
      --brand:#7c3aed;
      --brand2:#ec4899;
      --brand3:#12b3c7;
      --shadow:0 18px 50px rgba(43,18,83,.12);
      --shadow2:0 10px 24px rgba(43,18,83,.10);
      --radius:22px;
      --radius2:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(236,72,153,.16), transparent 28%),
        radial-gradient(circle at top right, rgba(124,58,237,.18), transparent 24%),
        linear-gradient(180deg,var(--bg2),var(--bg));
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;inset:0;pointer-events:none;
      background:
        linear-gradient(120deg, rgba(124,58,237,.04), transparent 30%, rgba(236,72,153,.04) 60%, transparent 85%);
      opacity:.8;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100%,var(--max));margin:0 auto;padding:0 18px}
    header{
      position:sticky;top:0;z-index:80;
      backdrop-filter:blur(18px);
      background:rgba(255,248,255,.72);
      border-bottom:1px solid rgba(124,58,237,.10);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .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:#fff;box-shadow:var(--shadow2);padding:4px}
    .brand-text{display:flex;flex-direction:column;min-width:0}
    .brand-text strong{font-size:16px;letter-spacing:.2px}
    .brand-text span{font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:13px;color:#392d56;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{background:rgba(124,58,237,.10);color:var(--brand)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 16px;font-weight:700;
      cursor:pointer;transition:.25s;white-space:nowrap;
      box-shadow:var(--shadow2);
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn:hover{transform:translateY(-1px);filter:saturate(1.05)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--text)}
    main{position:relative}
    section{padding:72px 0}
    .hero{padding:34px 0 24px}
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch;
    }
    .hero-copy,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.72));
      border:1px solid rgba(124,58,237,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{padding:32px;position:relative;overflow:hidden}
    .hero-copy:after{
      content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
      background:radial-gradient(circle, rgba(236,72,153,.18), transparent 62%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(124,58,237,.10);color:var(--brand);
      border:1px solid rgba(124,58,237,.12);
      padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700;
    }
    h1{
      margin:16px 0 14px;font-size:clamp(32px,5vw,56px);line-height:1.06;letter-spacing:-.03em;
    }
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .point{
      background:rgba(255,255,255,.78);border:1px solid rgba(124,58,237,.12);
      border-radius:18px;padding:14px 14px 12px;
    }
    .point strong{display:block;font-size:18px;color:#25143d}
    .point span{display:block;margin-top:4px;font-size:13px;color:var(--muted);line-height:1.55}
    .hero-side{display:grid;gap:16px}
    .stats{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
    }
    .stat{
      background:linear-gradient(180deg,#fff,rgba(255,255,255,.82));
      border:1px solid rgba(124,58,237,.12);border-radius:18px;padding:18px;
    }
    .stat strong{display:block;font-size:26px;line-height:1;color:#1b1130}
    .stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.5}
    .side-card{padding:18px}
    .side-card h2{margin:0 0 10px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:9px 12px;border-radius:999px;background:rgba(124,58,237,.08);
      border:1px solid rgba(124,58,237,.10);font-size:13px;color:#3a2460;
    }
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
    .section-head h2{margin:0;font-size:30px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .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:var(--panel);border:1px solid rgba(124,58,237,.12);
      border-radius:20px;padding:20px;box-shadow:var(--shadow2);
      transition:.28s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(43,18,83,.14)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.72}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(124,58,237,.14), rgba(236,72,153,.14));color:var(--brand);margin-bottom:14px;
      font-size:20px;font-weight:800;
    }
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start;
      background:rgba(255,255,255,.76);border:1px solid rgba(124,58,237,.12);border-radius:18px;padding:18px;
    }
    .step-num{
      width:72px;height:72px;border-radius:18px;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:26px;font-weight:800;
      display:grid;place-items:center;box-shadow:var(--shadow2);
    }
    .step h3{margin:4px 0 8px;font-size:18px}
    .step p{margin:0;color:var(--muted);line-height:1.7}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid rgba(124,58,237,.12);background:rgba(255,255,255,.75);box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid rgba(124,58,237,.10);text-align:left;vertical-align:top}
    th{background:rgba(124,58,237,.05);font-size:14px}
    td{color:#2b2043;line-height:1.65}
    .rating{
      display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:stretch
    }
    .score{
      background:linear-gradient(135deg,#14081f,#251247 55%,#7c3aed);
      color:#fff;border-radius:24px;padding:24px;box-shadow:var(--shadow)
    }
    .score h3{margin:0 0 8px;font-size:24px}
    .score .big{font-size:54px;line-height:1;margin:12px 0 6px;font-weight:900}
    .score p{margin:0;opacity:.9;line-height:1.7}
    .score-list{display:grid;gap:10px}
    .score-item{
      background:rgba(255,255,255,.78);border:1px solid rgba(124,58,237,.12);border-radius:18px;padding:14px 16px;display:flex;justify-content:space-between;gap:16px
    }
    .score-item strong{color:#24143c}
    .score-item span{color:var(--muted)}
    .reviews,.cases,.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{
      position:relative;padding-top:18px
    }
    .quote{font-size:42px;color:rgba(124,58,237,.26);line-height:1;margin-bottom:10px}
    .review .meta{display:flex;justify-content:space-between;gap:12px;margin-top:14px;color:var(--muted);font-size:13px}
    .gallery{
      display:grid;grid-template-columns:repeat(3,1fr);gap:16px
    }
    .gallery .card{padding:14px}
    .gallery img{
      width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;border:1px solid rgba(124,58,237,.08)
    }
    .features{
      display:grid;grid-template-columns:repeat(2,1fr);gap:16px
    }
    .split{
      display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start
    }
    .faq-item{
      background:rgba(255,255,255,.78);border:1px solid rgba(124,58,237,.12);border-radius:18px;overflow:hidden
    }
    .faq-q{
      width:100%;text-align:left;background:none;border:0;padding:18px 18px;font:inherit;font-weight:700;color:#211539;
      display:flex;justify-content:space-between;gap:16px;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease, padding .28s ease;border-top:1px solid transparent}
    .faq-item.open .faq-a{max-height:220px;padding:0 18px 18px;border-top-color:rgba(124,58,237,.10)}
    .faq-a p{margin:14px 0 0;color:var(--muted);line-height:1.75}
    .form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:700;color:#342553}
    input,select,textarea{
      width:100%;border-radius:14px;border:1px solid rgba(124,58,237,.14);background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(124,58,237,.45);box-shadow:0 0 0 4px rgba(124,58,237,.10)}
    textarea{min-height:128px;resize:vertical}
    .footer{
      background:#120a2a;color:#e9ddff;padding:54px 0 24px;margin-top:10px
    }
    .footer a{color:#ffd7ee}
    .footer .muted{color:#c9b8ef}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);box-shadow:none}
    .footer .tag{background:rgba(255,255,255,.08);color:#f3e9ff;border-color:rgba(255,255,255,.10)}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{font-size:13px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08)}
    .footer-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#cdbef0}
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:90;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow);font-weight:900
    }
    .float-panel{
      position:fixed;right:16px;bottom:80px;z-index:90;width:min(320px, calc(100vw - 32px));
      background:#fff;border:1px solid rgba(124,58,237,.14);border-radius:20px;box-shadow:var(--shadow);padding:14px;display:none
    }
    .float-panel.open{display:block}
    .float-panel img{width:100%;border-radius:14px;border:1px solid rgba(124,58,237,.10)}
    .muted{color:var(--muted)}
    .list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .list li{padding-left:18px;position:relative;line-height:1.65;color:var(--muted)}
    .list li:before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2))}
    .article-meta{font-size:13px;color:var(--muted);margin-top:10px}
    .badge-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .badge{padding:7px 10px;border-radius:999px;background:rgba(18,179,199,.10);color:#0e6d78;font-size:12px;border:1px solid rgba(18,179,199,.12)}
    .anchor-space{scroll-margin-top:96px}
    .mobile-only{display:none}
    .desktop-only{display:block}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.reviews,.cases,.articles,.gallery,.features,.split,.footer-grid,.rating,.form,.hero-points,.stats{grid-template-columns:1fr 1fr}
      .hero-grid,.split,.rating,.footer-grid{grid-template-columns:1fr}
      .reviews,.cases,.articles,.gallery,.features{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:start}
      .nav-links{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .nav-cta{margin-left:auto}
      .mobile-only{display:block}
      .desktop-only{display:none}
    }
    @media (max-width: 640px){
      section{padding:58px 0}
      .hero{padding-top:22px}
      .hero-copy{padding:22px}
      .hero-points,.stats{grid-template-columns:1fr}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      h1{font-size:30px}
      .section-head h2{font-size:24px}
      .card,.step,.score,.panel{border-radius:18px}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .top-strip{
      display:flex;gap:10px;flex-wrap:wrap;margin-top:14px
    }
    .top-strip a,.top-strip span{
      padding:8px 12px;border-radius:999px;border:1px solid rgba(124,58,237,.10);background:rgba(255,255,255,.7);font-size:13px;color:#3b2a5d
    }
    .inline-links{display:flex;flex-wrap:wrap;gap:10px}
    .inline-links a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid rgba(124,58,237,.10)}