:root{--bg:#f6f3ee;--panel:#fffdf9;--panel2:#f3f7ff;--text:#1f2937;--muted:#607089;--line:#e5e2da;--brand:#2457ff;--brand2:#7c3aed;--accent:#12b3a8;--shadow:0 18px 50px rgba(31,41,55,.08);--radius:22px;--container: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;background:radial-gradient(circle at top left,rgba(36,87,255,.08),transparent 26%),radial-gradient(circle at 80% 10%,rgba(124,58,237,.08),transparent 24%),linear-gradient(180deg,#fbfaf7 0%,#f6f3ee 36%,#f8fbff 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px,var(--container));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(229,226,218,.75)}
    .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:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .menu a{font-size:14px;color:#334155;padding:8px 10px;border-radius:999px;transition:.25s}
    .menu a:hover,.menu a.active{background:rgba(36,87,255,.08);color:#1638b8}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;font-weight:600;border:1px solid transparent;transition:.25s;cursor:pointer;white-space:nowrap}
    .btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 10px 24px rgba(36,87,255,.18)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(36,87,255,.22)}
    .btn-outline{background:#fff;color:#2441a8;border-color:rgba(36,87,255,.18)}
    .btn-outline:hover{background:#f3f7ff}
    .burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff}
    .burger span{display:block;width:18px;height:2px;background:#24324a;margin:4px auto;border-radius:99px}
    header.hero{padding:36px 0 18px}
    .hero-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main{position:relative;overflow:hidden;padding:34px;border-radius:30px;background:
      linear-gradient(135deg,rgba(36,87,255,.10),rgba(124,58,237,.08) 45%,rgba(18,179,168,.06)),
      linear-gradient(180deg,#ffffff,#f7f9ff);border:1px solid rgba(36,87,255,.10);box-shadow:var(--shadow)}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;filter:blur(4px);pointer-events:none}
    .hero-main:before{right:-50px;top:-36px;width:180px;height:180px;background:radial-gradient(circle,rgba(124,58,237,.22),transparent 68%)}
    .hero-main:after{right:120px;bottom:-60px;width:220px;height:220px;background:radial-gradient(circle,rgba(36,87,255,.18),transparent 66%)}
    .hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(36,87,255,.08);color:#2340b2;font-size:13px;font-weight:600}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.06;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .stat{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:18px;padding:16px}
    .stat strong{display:block;font-size:22px;line-height:1.2}
    .stat span{display:block;margin-top:6px;color:var(--muted);font-size:13px}
    .hero-side{display:grid;gap:14px}
    .side-card{padding:20px;border-radius:24px;background:linear-gradient(180deg,#fff, #f7fbff);border:1px solid var(--line);box-shadow:var(--shadow)}
    .side-card h3{margin:0 0 10px;font-size:18px}
    .side-card p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#f3f7ff;border:1px solid rgba(36,87,255,.10);font-size:13px;color:#2441a8}
    main{padding:18px 0 10px}
    section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(22px,3vw,32px)}
    .section-head p{margin:0;color:var(--muted);max-width:60ch;line-height:1.7;font-size:14px}
    .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 var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;transition:.28s}
    .card:hover{transform:translateY(-4px);border-color:rgba(36,87,255,.18)}
    .card h3,.card h4{margin:0 0 10px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#f1f5ff;color:#2441a8;font-size:12px;font-weight:600}
    .list-clean{margin:0;padding:0;list-style:none}
    .list-clean li{padding:10px 0;border-top:1px dashed #e7e3dc}
    .list-clean li:first-child{border-top:none;padding-top:0}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:18px;border-radius:22px;background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid var(--line)}
    .step .num{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(36,87,255,.12),rgba(124,58,237,.12));color:#2340b2;font-weight:800}
    .step h3{margin:12px 0 8px;font-size:17px}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #ece8e1;vertical-align:top;font-size:14px}
    th{background:#f8fafc;color:#1f2d46;font-weight:700}
    tr:last-child td{border-bottom:none}
    .score-box{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .rating{padding:22px;border-radius:24px;background:linear-gradient(135deg,rgba(36,87,255,.08),rgba(124,58,237,.08));border:1px solid rgba(36,87,255,.12)}
    .rating strong{font-size:42px;line-height:1}
    .rating .stars{color:#f59e0b;font-size:22px;letter-spacing:2px;margin:10px 0}
    .compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .quote{border-left:4px solid #5b7cff;padding:18px 18px 18px 16px;background:linear-gradient(180deg,#fff,#f8fbff)}
    .quote strong{display:block;margin-top:10px;color:#111827}
    .articles,.faq,.reviews{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{margin:12px 0 0;color:var(--muted);line-height:1.75}
    .form-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:600;color:#1f2d46}
    input,select,textarea{width:100%;border:1px solid #d9dfe8;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:#7c8fff;box-shadow:0 0 0 4px rgba(36,87,255,.08)}
    textarea{min-height:128px;resize:vertical}
    .footer{padding:24px 0 32px;border-top:1px solid rgba(229,226,218,.9);background:rgba(255,255,255,.6);color:#24324a}
    .footer a{color:#2340b2}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}
    .footer small{color:#5d6b7f}
    .float-tools{position:fixed;right:18px;bottom:18px;display:grid;gap:10px;z-index:60}
    .float-tools a,.to-top{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,#fff,#eff4ff);border:1px solid rgba(36,87,255,.14);box-shadow:var(--shadow);display:grid;place-items:center;color:#2441a8;font-weight:800}
    .to-top{cursor:pointer}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .media-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .media-strip img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);width:100%;height:auto}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#2241a8}
    .hr{height:1px;background:linear-gradient(90deg,transparent,#d8dee8,transparent);margin:8px 0}
    @media (max-width: 1100px){
      .hero-wrap,.score-box,.form-wrap,.footer-grid{grid-template-columns:1fr}
      .grid-4,.workflow{grid-template-columns:repeat(2,1fr)}
      .grid-3,.articles,.faq,.reviews,.compare-grid{grid-template-columns:1fr}
      .media-strip{grid-template-columns:1fr}
    }
    @media (max-width: 820px){
      .menu{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}
      .menu.open{display:grid}
      .menu a{padding:12px 14px;background:#f8fafc}
      .burger{display:inline-grid;place-items:center}
      .nav-actions .btn-outline{display:none}
      .hero-main{padding:24px}
      .hero-stats{grid-template-columns:1fr}
      .mobile-only{display:block}
      .section-head{align-items:flex-start;flex-direction:column}
    }