:root{
      --bg:#f7f8fc;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#102033;
      --muted:#5d6b7e;
      --line:#dce4f2;
      --brand:#2563eb;
      --brand2:#7c3aed;
      --accent:#ff4fd8;
      --accent2:#17c3b2;
      --shadow:0 16px 40px rgba(28,44,80,.12);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(circle at top left, rgba(124,58,237,.12), transparent 30%),
        radial-gradient(circle at top right, rgba(37,99,235,.10), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 42%, #f7fbff 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(247,248,252,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,228,242,.8)}
    .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;padding:4px;border:1px solid var(--line)}
    .brand strong{display:block;font-size:17px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;align-items:center}
    .menu a{font-size:14px;color:#334155;padding:8px 10px;border-radius:10px;transition:.2s}
    .menu a:hover,.menu a.active{background:rgba(37,99,235,.10);color:var(--brand)}
    .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:.22s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(124,58,237,.26)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:rgba(37,99,235,.35);color:var(--brand)}
    .burger{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px}
    .hero{padding:34px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-copy,.panel,.section-card,.info-card,.review,.faq-item,.form-card,.case-card,.article-card,.price-card,.timeline-card,.compare-card{
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,255,255,.92));
      border:1px solid rgba(220,228,242,.9);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-copy{padding:28px;position:relative;overflow:hidden}
    .hero-copy:before,.hero-copy:after{content:"";position:absolute;border-radius:999px;filter:blur(0)}
    .hero-copy:before{width:190px;height:190px;background:radial-gradient(circle, rgba(255,79,216,.18), transparent 70%);top:-70px;right:-40px}
    .hero-copy:after{width:150px;height:150px;background:radial-gradient(circle, rgba(23,195,178,.16), transparent 70%);bottom:-60px;right:70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:rgba(37,99,235,.08);color:var(--brand);border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:17px;color:#334155;max-width:58ch}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .trust{display:flex;flex-wrap:wrap;gap:10px}
    .trust span,.chip{display:inline-flex;align-items:center;gap:6px;padding:9px 12px;background:#f3f7ff;border:1px solid #dbe7ff;border-radius:999px;font-size:13px;color:#29415e}
    .hero-aside{display:grid;gap:14px}
    .panel{padding:22px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
    .metric{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f5f8ff);border:1px solid #e3eaf8}
    .metric strong{display:block;font-size:26px;line-height:1.1}
    .metric span{font-size:13px;color:var(--muted)}
    section{padding:18px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:14px}
    h2{margin:0;font-size:28px;line-height:1.15}
    .sub{margin:6px 0 0;color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .section-card,.info-card,.review,.faq-item,.form-card,.case-card,.article-card,.price-card,.timeline-card,.compare-card{padding:22px}
    .service-card h3,.case-card h3,.article-card h3,.review h3{margin:0 0 10px;font-size:18px}
    .service-card p,.case-card p,.article-card p,.review p,.info-card p,.price-card p{margin:0;color:#415267}
    .service-card{padding:22px;border:1px solid #dce6f7;border-radius:20px;background:linear-gradient(180deg,#fff,#f8fbff);transition:.2s ease}
    .service-card:hover,.case-card:hover,.article-card:hover,.review:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(28,44,80,.13)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:10px 12px;border-radius:999px;background:#fff;border:1px solid #dce4f2;color:#334155;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:20px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid #dde5f5;position:relative}
    .step b{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;margin-bottom:10px}
    .table-wrap{overflow-x:auto;border:1px solid #dce4f2;border-radius:18px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf2fb;text-align:left;vertical-align:top}
    th{background:#f6f9ff;color:#223042}
    .highlight{font-weight:700;color:var(--brand)}
    .rating{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(255,79,216,.08));border:1px solid #dce7ff;color:#17335b;font-weight:700}
    .compare-card .score{font-size:40px;font-weight:800;line-height:1;color:var(--brand)}
    .list{display:grid;gap:10px;margin:14px 0 0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start;color:#37465a}
    .list li:before{content:"";width:10px;height:10px;border-radius:50%;margin-top:.55em;background:linear-gradient(135deg,var(--accent),var(--brand))}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;background:#fff;border:0;font:inherit;color:var(--text);cursor:pointer;text-align:left}
    .faq-a{display:none;padding:0 20px 18px;color:#415267}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{border-bottom:1px solid #edf2fb}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:14px;font-weight:700;color:#29415e;margin-bottom:8px}
    input,select,textarea{
      width:100%;border:1px solid #d7e1f0;background:#fff;color:var(--text);border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(37,99,235,.6);box-shadow:0 0 0 4px rgba(37,99,235,.08)}
    textarea{min-height:128px;resize:vertical}
    .span-2{grid-column:span 2}
    .footer{margin-top:10px;padding:26px 0 30px;background:#0f172a;color:#dce7ff}
    .footer a{color:#fff}
    .footer .sub,.footer p,.footer li{color:#b8c5dc}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer h3{margin:0 0 12px;font-size:18px;color:#fff}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.08)}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.28)}
    .float-btn.secondary{background:#fff;color:var(--brand);border:1px solid var(--line)}
    .collapse-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .simple-list{display:grid;gap:10px}
    .simple-list a{padding:14px 16px;border-radius:16px;background:#fff;border:1px solid #dde5f4;color:#27364a}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(37,99,235,.14),rgba(255,79,216,.14));font-weight:800;color:#17335b}
    .review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .badge{display:inline-flex;padding:7px 10px;border-radius:999px;background:#f2f7ff;color:#29507b;font-size:12px;font-weight:700}
    .article-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline-card strong{display:block;margin-bottom:8px}
    .center{text-align:center}
    .muted{color:var(--muted)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.steps,.reviews,.timeline,.footer-grid,.collapse-grid{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .form-grid .span-2,.form-grid{grid-column:span 1;grid-template-columns:1fr}
      .menu{display:none;position:absolute;left:16px;right:16px;top:66px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .menu.open{display:flex;flex-direction:column;align-items:flex-start}
      .burger{display:inline-flex}
      .nav{position:relative}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}