:root{
      --bg:#f7f9fc;
      --bg2:#eef5ff;
      --card:#ffffff;
      --text:#182230;
      --muted:#5d6b7f;
      --line:#d9e3f0;
      --primary:#2563eb;
      --primary2:#7c3aed;
      --accent:#14b8a6;
      --warm:#ff8a00;
      --shadow:0 18px 40px rgba(28, 52, 94, .10);
      --shadow2:0 10px 24px rgba(37, 99, 235, .14);
      --radius:22px;
      --radius2:16px;
      --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;color:var(--text);background:
      radial-gradient(1200px 500px at 10% 0%, rgba(37,99,235,.10), transparent 45%),
      radial-gradient(1000px 500px at 90% 12%, rgba(124,58,237,.12), transparent 48%),
      linear-gradient(180deg,#ffffff 0%, #f6f9ff 40%, #f7fafc 100%);
      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}
    .topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(255,255,255,.82);border-bottom:1px solid rgba(217,227,240,.85)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;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-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;line-height:1.2}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#314056;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover{background:#edf4ff;color:var(--primary)}
    .nav-actions{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 18px;font-weight:700;transition:.25s;cursor:pointer;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{padding:28px 0 14px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.faq-item,.review,.article,.form-card,.pricing,.compare,.case,.step,.benefit,.stat{background:rgba(255,255,255,.92);border:1px solid rgba(217,227,240,.95);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;filter:blur(8px);pointer-events:none}
    .hero-main:before{width:220px;height:220px;background:rgba(37,99,235,.10);right:-70px;top:-80px}
    .hero-main:after{width:180px;height:180px;background:rgba(20,184,166,.10);left:-60px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#eef4ff;color:var(--primary);border:1px solid #dbe7ff;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:14px 0 12px;font-size:clamp(30px, 5vw, 54px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:60ch}
    .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 22px;padding:0;list-style:none}
    .hero-points li{background:#f4f8ff;border:1px solid #deebff;color:#314056;padding:9px 12px;border-radius:999px;font-size:13px}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .mini-note{font-size:13px;color:var(--muted)}
    .hero-side{padding:24px;display:grid;gap:14px;align-content:start}
    .hero-side .panel{padding:18px;border-radius:18px;background:linear-gradient(180deg,#f8fbff,#f2f7ff);border:1px solid #dce8f7}
    .panel h3{margin:0 0 8px;font-size:16px}
    .panel p{margin:0;color:var(--muted);font-size:14px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0 0}
    .stat{padding:18px}
    .stat strong{display:block;font-size:28px;line-height:1;color:#0f172a}
    .stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
    section{padding:18px 0}
    .section-card{padding:26px}
    .section-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-end;margin-bottom:18px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .benefit,.step,.case,.review,.article,.pricing,.compare,.faq-item{padding:20px}
    .benefit h3,.step h3,.case h3,.review h3,.article h3{margin:0 0 8px;font-size:18px}
    .muted{color:var(--muted)}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#f5f8ff;border:1px solid #e1e9f7;font-size:13px;color:#394a63}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 16px;border-bottom:1px solid #e7edf7;text-align:left;vertical-align:top}
    th{background:#f4f8ff;font-size:14px;color:#24324a}
    td{color:#334155;font-size:14px}
    .score-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,#fff7ed,#fff1f6);border:1px solid #ffd8a8;color:#9a3412;font-weight:700}
    .rating{font-size:20px;color:#f59e0b;letter-spacing:2px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline .step{position:relative}
    .timeline .num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;margin-bottom:12px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article small{display:inline-block;color:var(--primary);font-weight:700;margin-bottom:8px}
    .article a{color:var(--primary);font-weight:700}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;padding:18px 20px;border:0;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:16px;font-weight:700;color:#1f2937;text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-a p{margin:0;padding:0 0 18px;color:var(--muted)}
    .faq-item.active .faq-a{max-height:180px}
    .faq-item.active .faq-q{background:#f7fbff}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field label{font-size:14px;font-weight:700;color:#24324a}
    .field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #d8e2f0;border-radius:14px;background:#fff;color:#111827;font:inherit;outline:none;transition:.2s}
    .field textarea{min-height:118px;resize:vertical;grid-column:1/-1}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#7aa7ff;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px}
    .footer{margin-top:8px;padding:24px 0 32px;border-top:1px solid rgba(217,227,240,.85);background:#f8fbff;color:#334155}
    .footer a{color:var(--primary)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer small{color:#64748b}
    .floating{position:fixed;right:16px;bottom:16px;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(--primary2));color:#fff;box-shadow:var(--shadow2)}
    .float-contact{position:fixed;left:16px;bottom:16px;z-index:60;max-width:220px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px}
    .float-contact strong{display:block;margin-bottom:6px}
    .float-contact img{border-radius:14px;border:1px solid #e5edf7}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:linear-gradient(180deg,#fff,#f4f8ff);border:1px solid #dfe8f5;color:#334155;font-size:13px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
    .quote{padding:18px;border-left:4px solid var(--primary);background:#f7fbff;border-radius:16px}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.articles,.timeline,.footer-grid,.two-col,.stats,.form-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav{padding:12px 0}
      .hero-main{padding:24px}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .nav-panel{display:none;padding:0 0 14px}
      .nav-panel.active{display:block}
      .nav-panel .nav-links{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:10px 0 0}
      .nav-panel .nav-actions{padding-top:10px}
      .stats{grid-template-columns:repeat(2,1fr)}
      .float-contact{max-width:180px}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .hero-main,.hero-side,.section-card{padding:18px}
      h1{font-size:clamp(28px,10vw,40px)}
      .section-head h2{font-size:24px}
      .stats{grid-template-columns:1fr 1fr}
      .stat strong{font-size:24px}
      .float-contact{display:none}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease, transform .6s ease}
    .reveal.show{opacity:1;transform:none}