:root{
      --bg:#f6f7fb;
      --bg2:#eef2ff;
      --card:#ffffff;
      --text:#182235;
      --muted:#5d687f;
      --line:#dbe2f0;
      --primary:#5b5ef7;
      --accent:#ff5c7a;
      --accent2:#ffb703;
      --shadow:0 16px 40px rgba(24,34,53,.08);
      --shadow2:0 12px 28px rgba(91,94,247,.14);
      --radius:20px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(255,92,122,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(91,94,247,.10), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, #f7f8fc 34%, #f4f6fb 100%);
      color:var(--text);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,226,240,.8)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:0 8px 18px rgba(0,0,0,.05)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:18px;line-height:1.2}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px;font-size:14px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 0;position:relative;white-space:nowrap}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:3px;width:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:.25s}
    .nav-links a:hover{color:var(--text)}
    .nav-links a:hover::after{width:100%}
    .hero{padding:54px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.info-card,.price-card,.review-card,.faq-item,.case-card,.step-card,.service-card,.compare-card,.form-card,.article-card,.benefit-card,.timeline-item{background:var(--card);border:1px solid rgba(219,226,240,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:999px;filter:blur(6px);opacity:.55}
    .hero-main::before{width:180px;height:180px;background:rgba(91,94,247,.10);right:-40px;top:-30px}
    .hero-main::after{width:140px;height:140px;background:rgba(255,92,122,.10);left:-30px;bottom:-50px}
    .kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(91,94,247,.08);color:var(--primary);font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:12px 18px;font-weight:700;border:1px solid transparent;transition:.25s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#7c4dff);color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
    .mini{padding:16px;border-radius:16px;background:linear-gradient(180deg,#fff, #f9fbff);border:1px solid rgba(219,226,240,.9)}
    .mini strong{display:block;font-size:20px}
    .mini span{font-size:13px;color:var(--muted)}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .side-call{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(255,92,122,.10),rgba(255,183,3,.12));border:1px solid rgba(255,92,122,.16)}
    .side-call strong{display:block;font-size:18px;margin-bottom:6px}
    .side-call p{margin:0;color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 10px;border-radius:999px;background:#f2f5ff;border:1px solid #e1e7fb;color:#33415c;font-size:13px}
    .section{padding:20px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .stats-grid,.service-grid,.case-grid,.review-grid,.article-grid,.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .stats-grid{grid-template-columns:repeat(4,1fr)}
    .info-card,.service-card,.case-card,.review-card,.article-card,.benefit-card,.compare-card{padding:22px}
    .info-card strong,.service-card strong,.case-card strong,.review-card strong,.article-card strong{display:block;font-size:18px;margin-bottom:8px}
    .info-card p,.service-card p,.case-card p,.review-card p,.article-card p{margin:0;color:var(--muted)}
    .metric{font-size:30px;font-weight:800;color:var(--primary);line-height:1}
    .section-card{padding:24px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step-card{padding:18px}
    .step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:rgba(91,94,247,.10);color:var(--primary);font-weight:800;margin-bottom:12px}
    .compare-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f7f9ff;color:#23304a;font-size:14px}
    td{color:#33415c;font-size:14px}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,92,122,.1);color:#c61d4a;font-size:12px;font-weight:700}
    .price-grid,.timeline-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card h3,.benefit-card h3{margin:0 0 10px}
    .price{font-size:28px;font-weight:800;color:var(--accent)}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;text-align:left;background:#fff;border:0;padding:18px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:16px;font-weight:700;color:var(--text);cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;padding:0 18px;color:var(--muted);transition:max-height .28s ease,padding .28s ease}
    .faq-item.open .faq-a{padding:0 18px 18px;max-height:180px}
    .faq-item.open .faq-q{color:var(--primary)}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .stars{color:#ff9f1c;letter-spacing:2px;font-size:15px}
    .timeline-item{padding:18px}
    .timeline-item .small{color:var(--muted);font-size:13px;margin-top:10px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .form-card label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
    .form-card input,.form-card select,.form-card textarea{width:100%;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:12px 14px;font:inherit;outline:none;transition:.2s}
    .form-card textarea{min-height:120px;resize:vertical}
    .form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:rgba(91,94,247,.6);box-shadow:0 0 0 4px rgba(91,94,247,.10)}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
    .footer{margin-top:18px;padding:24px 0 28px;background:#111827;color:#e5e7eb}
    .footer a{color:#fff}
    .footer .muted{color:#b6bfd0}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .footer .brand-text span,.footer p,.footer li{color:#b6bfd0}
    .footer ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .float-bar{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 14px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#7c4dff);color:#fff;box-shadow:var(--shadow2);font-weight:700}
    .float-btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .mobile-only{display:none}
    .comment-title{display:flex;align-items:center;gap:10px}
    .comment-title span{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary))}
    .inline-list{display:grid;gap:10px;margin:14px 0 0;padding-left:18px;color:var(--muted)}
    .split-note{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .logo-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .logo-row img{width:58px;height:58px;object-fit:contain;border-radius:16px;background:#fff;border:1px solid var(--line);padding:6px}
    .article-card .meta{font-size:13px;color:#6a7286;margin-top:10px}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.footer-grid,.split-note,.stats-grid,.service-grid,.case-grid,.review-grid,.article-grid,.price-grid,.timeline-grid,.process{grid-template-columns:1fr 1fr}
      .compare-grid{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .menu-toggle{display:inline-flex}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:72px;flex-direction:column;align-items:flex-start;gap:8px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .hero{padding-top:22px}
      .hero-grid,.two-col,.footer-grid,.split-note,.stats-grid,.service-grid,.case-grid,.review-grid,.article-grid,.price-grid,.timeline-grid,.process,.form-grid,.mini-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .hero-main{padding:24px}
      .section-card,.info-card,.service-card,.case-card,.review-card,.article-card,.benefit-card,.compare-card,.form-card{padding:18px}
    }