:root{
      --bg:#f6f1ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1e1f2a;
      --muted:#5f6478;
      --line:#e7ddff;
      --primary:#6f39ff;
      --primary2:#9b59ff;
      --accent:#ff5ab5;
      --accent2:#7c6cff;
      --shadow:0 18px 50px rgba(86,44,182,.12);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:
      radial-gradient(circle at top left, rgba(111,57,255,.14), transparent 28%),
      radial-gradient(circle at top right, rgba(255,90,181,.12), transparent 22%),
      linear-gradient(180deg, #f9f6ff 0%, #f4efff 24%, #f7f8ff 52%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border-bottom:1px solid rgba(111,57,255,.08)}
    .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:0 10px 24px rgba(111,57,255,.12)}
    .brand-text{display:flex;flex-direction:column;line-height:1.1}
    .brand-text strong{font-size:18px;color:#24153f}
    .brand-text span{font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#36405c;padding:8px 10px;border-radius:999px;transition:.2s}
    .nav-links a:hover{background:rgba(111,57,255,.08);color:var(--primary)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:none;border-radius:999px;padding:14px 20px;font-weight:700;cursor:pointer;transition:.2s ease;box-shadow:0 12px 26px rgba(111,57,255,.18)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff}
    .btn-secondary{background:#fff;color:var(--primary);border:1px solid rgba(111,57,255,.18);box-shadow:none}
    .btn:hover{transform:translateY(-2px)}
    .hero{padding:42px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}
    .hero-copy{background:linear-gradient(145deg, rgba(255,255,255,.92), rgba(245,239,255,.82));border:1px solid rgba(111,57,255,.10);border-radius:28px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-copy:before,.hero-copy:after{content:"";position:absolute;border-radius:50%;filter:blur(2px)}
    .hero-copy:before{width:220px;height:220px;right:-80px;top:-60px;background:radial-gradient(circle, rgba(111,57,255,.18), transparent 68%)}
    .hero-copy:after{width:180px;height:180px;left:-70px;bottom:-80px;background:radial-gradient(circle, rgba(255,90,181,.15), transparent 68%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;background:rgba(111,57,255,.08);padding:8px 14px;border-radius:999px;font-size:13px}
    h1{margin:18px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:17px;line-height:1.85;color:var(--muted);margin:0 0 20px;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,.72);border:1px solid rgba(111,57,255,.10);border-radius:18px;padding:16px}
    .point strong{display:block;font-size:18px;color:#2a164a}
    .point span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6}
    .hero-side{display:grid;gap:14px}
    .glass-card{background:linear-gradient(180deg, rgba(111,57,255,.98), rgba(72,31,184,.98));color:#fff;border-radius:28px;padding:26px;box-shadow:0 24px 55px rgba(77,42,175,.24);position:relative;overflow:hidden}
    .glass-card:before{content:"";position:absolute;inset:auto -20% -40% auto;width:260px;height:260px;background:radial-gradient(circle, rgba(255,255,255,.22), transparent 60%)}
    .glass-card h2{margin:0 0 12px;font-size:24px}
    .glass-card p{margin:0;color:rgba(255,255,255,.88);line-height:1.8}
    .mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .mini-stats .stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px 16px;box-shadow:0 14px 30px rgba(63,35,145,.08)}
    .stat b{display:block;font-size:22px;color:#2e1452}
    .stat span{font-size:13px;color:var(--muted)}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:clamp(24px,2.5vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:60ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{background:var(--card);border:1px solid rgba(111,57,255,.10);border-radius:24px;padding:22px;box-shadow:0 12px 34px rgba(72,34,144,.08);transition:.25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(72,34,144,.12)}
    .card h3{margin:8px 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 14px;border-radius:999px;background:rgba(111,57,255,.08);color:#4b208f;font-size:13px;border:1px solid rgba(111,57,255,.10)}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative}
    .step .num{width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid rgba(111,57,255,.10);background:#fff;box-shadow:0 12px 34px rgba(72,34,144,.08)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #f0ebff;vertical-align:top}
    th{background:#faf7ff;color:#361757;font-size:14px}
    td{color:#344058;line-height:1.65}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:rgba(111,57,255,.10);color:var(--primary);font-size:12px;font-weight:700}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
    .stars{color:#ff9d2f;font-size:18px;letter-spacing:2px}
    .accordion{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid rgba(111,57,255,.10);border-radius:20px;overflow:hidden;box-shadow:0 10px 30px rgba(72,34,144,.06)}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:16px;padding:18px 18px;background:#fff;border:none;color:#23183e;font-size:16px;font-weight:700;text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .avatar{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg, rgba(111,57,255,.15), rgba(255,90,181,.18));display:grid;place-items:center;font-weight:800;color:#35155f}
    .review-meta{display:flex;align-items:center;gap:12px}
    .review-role{font-size:13px;color:var(--muted);margin-top:4px}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border-radius:18px;background:#fff;border:1px solid rgba(111,57,255,.10)}
    .article-item span{color:var(--muted);font-size:13px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;font-weight:700;color:#2a184a}
    input,select,textarea{width:100%;border:1px solid #dfd7fb;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    textarea{min-height:126px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(111,57,255,.55);box-shadow:0 0 0 4px rgba(111,57,255,.08)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px}
    .aside-panel{background:linear-gradient(180deg,#fff,#f7f1ff);border:1px solid rgba(111,57,255,.10);border-radius:24px;padding:22px}
    .contact-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .contact-list li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed #eadfff;padding-bottom:10px;color:#334055}
    .media-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .media-grid .card img{border-radius:18px;margin-top:12px}
    .floating{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 16px 30px rgba(111,57,255,.28);border:none;cursor:pointer}
    .float-link{width:52px;height:52px;border-radius:18px;background:#fff;border:1px solid rgba(111,57,255,.12);display:grid;place-items:center;box-shadow:0 14px 26px rgba(72,34,144,.10)}
    footer{padding:22px 0 30px;color:#394157}
    .footer-inner{background:#fff;border:1px solid rgba(111,57,255,.10);border-radius:24px;padding:22px;box-shadow:0 12px 34px rgba(72,34,144,.08)}
    .footer-cols{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .footer-cols h3{margin:0 0 12px;font-size:16px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border-radius:999px;background:#f7f2ff;color:#4b208f;font-size:13px}
    .copyright{margin-top:16px;padding-top:16px;border-top:1px solid #eee4ff;font-size:13px;color:#66708a;line-height:1.8}
    .section-faint{background:linear-gradient(180deg, rgba(255,255,255,.5), rgba(255,255,255,.82));border-top:1px solid rgba(111,57,255,.06);border-bottom:1px solid rgba(111,57,255,.06)}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.reviews,.footer-cols,.workflow,.media-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;position:absolute;left:20px;right:20px;top:76px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.footer-cols,.workflow,.media-grid{grid-template-columns:1fr}
      .hero-copy{padding:24px}
      .section-head{flex-direction:column;align-items:flex-start}
      .desktop-only{display:none}
      .mobile-only{display:block}
      .hero-actions .btn{width:100%}
      .container{padding:0 16px}
    }