:root{
      --bg:#f7f6fb;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1f2330;
      --muted:#667085;
      --line:#e6e3f2;
      --primary:#7c3aed;
      --primary2:#a855f7;
      --primary3:#d946ef;
      --accent:#4f46e5;
      --soft:#f2ebff;
      --warm:#fff7ed;
      --shadow:0 18px 45px rgba(82,45,163,.12);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:
      radial-gradient(circle at top left, rgba(168,85,247,.16), transparent 28%),
      radial-gradient(circle at 80% 0%, rgba(124,58,237,.12), transparent 24%),
      linear-gradient(180deg,#fbfaff 0%, var(--bg) 18%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);backdrop-filter:blur(16px);border-bottom:1px solid rgba(230,227,242,.8)}
    .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 img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .menu a{font-size:14px;color:#344054;padding:8px 10px;border-radius:999px;transition:.2s ease}
    .menu a:hover,.menu a.active{background:var(--soft);color:var(--primary)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 16px;font-weight:700;font-size:14px;transition:.22s ease;cursor:pointer;line-height:1}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary3));color:#fff;box-shadow:0 10px 28px rgba(124,58,237,.26)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 36px rgba(124,58,237,.3)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#d4c8f2;background:#fbf8ff}
    .menu-toggle{display:none}
    .hero{padding:42px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.form-wrap,.compare,.section{background:rgba(255,255,255,.88);border:1px solid rgba(230,227,242,.95);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,rgba(124,58,237,.12),rgba(217,70,239,.12));color:var(--primary);font-size:13px;font-weight:700}
    h1{margin:18px 0 12px;font-size:clamp(32px,4.5vw,58px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;color:#3d4457;font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
    .meta-card{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #fbf8ff);border:1px solid var(--line)}
    .meta-card b{display:block;font-size:18px;color:var(--primary)}
    .meta-card span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.55}
    .hero-side{padding:22px;display:grid;gap:14px}
    .mini{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff, #f6f1ff);border:1px solid var(--line)}
    .mini h3{margin:0 0 8px;font-size:16px}
    .mini p,.mini li{color:#475467;font-size:14px;line-height:1.7}
    .stats{padding:22px 0 8px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat{padding:20px}
    .stat b{display:block;font-size:28px;color:var(--accent)}
    .stat span{display:block;margin-top:8px;color:var(--muted);font-size:14px;line-height:1.6}
    .section{margin-top:18px;padding:24px}
    .section h2{margin:0 0 10px;font-size:28px;line-height:1.2}
    .section p.sub{margin:0 0 20px;color:var(--muted);line-height:1.75}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .card{padding:20px;box-shadow:none}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:#475467;line-height:1.7;font-size:14px}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:9px 12px;border-radius:999px;background:#fbf8ff;border:1px solid var(--line);font-size:13px;color:#4338ca}
    .timeline{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .step i{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,rgba(124,58,237,.14),rgba(217,70,239,.14));color:var(--primary);font-style:normal;font-weight:800}
    .step h3{margin:0 0 6px;font-size:16px}
    .step p{margin:0;color:#475467;line-height:1.7;font-size:14px}
    .scroll{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;font-size:14px;line-height:1.65}
    th{color:#344054;background:#faf7ff}
    td{color:#475467}
    .compare .score{font-size:42px;font-weight:900;color:var(--primary);line-height:1}
    .score-block{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
    .score-box{padding:16px;border-radius:18px;background:#fbf8ff;border:1px solid var(--line)}
    .score-box b{display:block;font-size:18px;color:#111827}
    .score-box span{display:block;margin-top:6px;color:var(--muted)}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden;box-shadow:none}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border:0;background:transparent;color:var(--text);font-size:16px;font-weight:700;cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-a p{margin:0 0 18px;color:#475467;line-height:1.8;font-size:14px}
    .faq-item.open .faq-a{max-height:220px}
    .reviews,.articles,.network{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px;box-shadow:none}
    .review .name{font-weight:800}
    .review .role{color:var(--muted);font-size:13px;margin-top:4px}
    .review p{margin:14px 0 0;color:#475467;line-height:1.8;font-size:14px}
    .article a{color:var(--primary);font-weight:700}
    .article time{display:block;color:var(--muted);font-size:13px;margin-bottom:10px}
    .form-wrap{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#344054}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s ease}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(124,58,237,.6);box-shadow:0 0 0 4px rgba(124,58,237,.1)}
    .footer{margin-top:18px;padding:24px 0 34px;background:#101828;color:#e5e7eb}
    .footer a{color:#d8b4fe}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer .brand span,.footer p,.footer li{color:#cbd5e1}
    .footer .mini,.footer .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);box-shadow:none}
    .footer-bottom{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);color:#cbd5e1;font-size:13px}
    .fixed-contact{position:fixed;right:16px;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(--primary3));color:#fff;box-shadow:0 14px 30px rgba(124,58,237,.28);border:0}
    .backtop{opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s ease}
    .backtop.show{opacity:1;pointer-events:auto;transform:none}
    .floating-card{position:fixed;left:16px;bottom:16px;z-index:55;display:none}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#344054;font-size:13px}
    .banner-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .banner-strip img,.media-card img{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    .media-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .notice{padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,#faf5ff,#fff);border:1px solid var(--line);color:#4b5563;line-height:1.75}
    .muted{color:var(--muted)}
    @media (max-width: 960px){
      .hero-grid,.grid-4,.grid-3,.reviews,.articles,.network,.footer-grid,.banner-strip,.media-grid{grid-template-columns:1fr}
      .hero-meta{grid-template-columns:1fr}
      .score-block{grid-template-columns:1fr}
      .menu-toggle{display:inline-flex}
      .menu{position:absolute;left:16px;right:16px;top:70px;display:none;flex-direction:column;align-items:stretch;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .menu.open{display:flex}
      .nav{position:relative}
      form{grid-template-columns:1fr}
      .floating-card{display:block}
    }
    @media (max-width: 640px){
      .hero-main,.hero-side,.section,.form-wrap{padding:18px}
      .hero{padding-top:18px}
      h1{font-size:30px}
      .section h2{font-size:24px}
      .btn{width:100%}
      .nav-cta{width:100%;justify-content:flex-end}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}