:root{
      --bg:#0f1020;
      --bg2:#17142f;
      --panel:rgba(255,255,255,.06);
      --panel2:rgba(255,255,255,.08);
      --line:rgba(255,255,255,.12);
      --text:#f4ecff;
      --muted:#cdbfe8;
      --accent:#ff4fd8;
      --accent2:#7c5cff;
      --accent3:#35d0ff;
      --good:#57f0aa;
      --shadow:0 18px 45px rgba(0,0,0,.28);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at 15% 15%, rgba(255,79,216,.16), transparent 24%),
      radial-gradient(circle at 85% 20%, rgba(124,92,255,.16), transparent 28%),
      radial-gradient(circle at 50% 80%, rgba(53,208,255,.10), transparent 26%),
      linear-gradient(180deg, #0b0d18 0%, #111225 38%, #0d1020 100%);
      color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(11,13,24,.72);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}
    .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:#fff;padding:4px;box-shadow:0 10px 25px rgba(255,79,216,.18)}
    .brand h2{margin:0;font-size:18px;line-height:1.2}
    .brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#efe8ff;opacity:.9}
    .nav-links a:hover,.nav-links a:focus{color:#fff}
    .cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:700;box-shadow:0 14px 35px rgba(255,79,216,.26);transition:.25s transform,.25s box-shadow}
    .cta:hover{transform:translateY(-1px);box-shadow:0 18px 42px rgba(255,79,216,.34)}
    .menu-btn{display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;padding:10px 12px}
    main{overflow:hidden}
    section{padding:72px 0}
    .hero{padding:34px 0 56px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-card,.card,.panel{background:linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before{content:"";position:absolute;inset:auto -15% -35% auto;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle, rgba(255,79,216,.25), transparent 62%);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);color:#f7dfff;font-size:13px}
    h1{margin:18px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0 0 24px;color:#e7dcff;max-width:62ch;font-size:16px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 22px}
    .ghost{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);color:#fff}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mini{padding:14px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
    .mini b{display:block;font-size:20px}
    .mini span{font-size:12px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .card{padding:22px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{padding:22px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
    .stat b{display:block;font-size:28px;margin-bottom:6px;color:#fff}
    .stat span{color:var(--muted);font-size:13px}
    h2{margin:0 0 16px;font-size:clamp(26px,3vw,38px);line-height:1.15}
    .sub{margin:0 0 28px;color:var(--muted);max-width:72ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .feature,.service,.review,.case,.article,.process,.support,.faq-item,.about-box,.panel{padding:22px}
    .feature h3,.service h3,.review h3,.case h3,.article h3,.process h3,.support h3{margin:10px 0 8px;font-size:18px}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(255,79,216,.12);color:#ffd6f4;font-size:12px;border:1px solid rgba(255,79,216,.16)}
    .muted{color:var(--muted)}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:860px;background:rgba(255,255,255,.05)}
    th,td{padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left;vertical-align:top}
    th{background:rgba(255,255,255,.07);color:#fff;font-weight:700}
    .score{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .scorebox{padding:22px;border-radius:18px;background:linear-gradient(135deg, rgba(255,79,216,.16), rgba(124,92,255,.14));border:1px solid rgba(255,255,255,.12)}
    .stars{color:#ffe36a;font-size:22px;letter-spacing:2px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:18px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
    .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800}
    .faq{display:grid;gap:12px}
    .faq-item summary{cursor:pointer;list-style:none;font-weight:700}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{margin:12px 0 0;color:var(--muted)}
    .reviews .review{display:flex;flex-direction:column;gap:10px}
    .review .meta{display:flex;justify-content:space-between;gap:12px;color:#dcd1f7;font-size:13px}
    .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{display:inline-flex;margin-top:12px;color:#ffd1f5;font-weight:700}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.14);background:rgba(8,10,20,.55);color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    label{font-size:13px;color:#eadfff}
    .submit{border:0;cursor:pointer}
    .chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);font-size:13px;color:#f4ecff}
    .footer{padding:26px 0 36px;border-top:1px solid rgba(255,255,255,.08);background:rgba(8,10,20,.45)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px;align-items:start}
    .footer a{color:#ffd8f7}
    .floating{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .floating a,.floating button{width:52px;height:52px;border-radius:16px;border:1px solid rgba(255,255,255,.14);background:linear-gradient(135deg, rgba(255,79,216,.96), rgba(124,92,255,.96));color:#fff;display:grid;place-items:center;box-shadow:0 16px 30px rgba(0,0,0,.25);cursor:pointer}
    .top{opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}
    .top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .mobile-only{display:none}
    .banner-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .ai-page-image{border-radius:18px;border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow)}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .service small,.feature small{display:block;color:#d9cef7}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .badge-row .chip{background:rgba(255,79,216,.1)}
    @media (max-width: 980px){
      .hero-grid,.form-grid,.footer-grid,.grid-3,.grid-2,.cases,.article-list,.service-grid,.score,.stats{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:block}
    }
    @media (max-width: 720px){
      section{padding:56px 0}
      .hero{padding-top:22px}
      .hero-card{padding:24px}
      .hero-grid,.form-grid,.footer-grid,.grid-3,.grid-2,.cases,.article-list,.service-grid,.score,.stats,.banner-row{grid-template-columns:1fr}
      .menu-panel{display:none;margin-top:12px;padding:14px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)}
      .menu-panel.open{display:grid;gap:10px}
      .menu-panel a{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08)}
      .menu-panel a:last-child{border-bottom:0}
      h1{font-size:32px}
    }