:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#f8fbff;
      --line:#e6eaf2;
      --text:#1c2430;
      --muted:#5f6b7b;
      --brand:#2d6cff;
      --brand2:#6c4dff;
      --accent:#13c2c2;
      --warm:#ffb84d;
      --good:#1f9d65;
      --shadow:0 18px 40px rgba(25,38,62,.08);
      --shadow2:0 10px 24px rgba(28,36,48,.10);
      --radius:18px;
      --radius-sm:14px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(45,108,255,.12), transparent 22%),
        radial-gradient(circle at 90% 18%, rgba(108,77,255,.11), transparent 18%),
        radial-gradient(circle at 50% 0%, rgba(19,194,194,.11), transparent 24%),
        linear-gradient(180deg,#f9fbff 0%, #f6f7fb 28%, #f7f8fc 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px));margin:0 auto}
    .page-shell{position:relative;overflow:hidden}
    .page-shell::before,.page-shell::after{
      content:"";position:absolute;inset:auto;pointer-events:none;border-radius:50%;
      filter:blur(10px);opacity:.25
    }
    .page-shell::before{width:220px;height:220px;left:-90px;top:140px;background:rgba(45,108,255,.18)}
    .page-shell::after{width:260px;height:260px;right:-110px;top:680px;background:rgba(108,77,255,.16)}
    header{
      position:sticky;top:0;z-index:30;
      backdrop-filter:blur(14px);
      background:rgba(246,247,251,.82);
      border-bottom:1px solid rgba(230,234,242,.9);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:74px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand-mark{
      width:44px;height:44px;border-radius:14px;
      background:linear-gradient(135deg,var(--brand),var(--brand2));
      box-shadow:0 10px 20px rgba(45,108,255,.24);
      display:grid;place-items:center;overflow:hidden;flex:0 0 auto;
    }
    .brand-mark img{width:100%;height:100%;object-fit:contain;padding:6px}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;letter-spacing:.3px}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{
      font-size:14px;color:#344155;padding:8px 0;position:relative;white-space:nowrap
    }
    .nav-links a::after{
      content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;border-radius:999px;
      background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.25s ease;
    }
    .nav-links a:hover::after,.nav-links a:focus-visible::after{width:100%}
    .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:11px 16px;
      font-size:14px;font-weight:700;cursor:pointer;transition:.25s ease;
      box-shadow:none;line-height:1;white-space:nowrap
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));
      box-shadow:0 12px 24px rgba(45,108,255,.24);
    }
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(45,108,255,.28)}
    .btn-ghost{
      color:var(--text);background:#fff;border-color:var(--line)
    }
    .btn-ghost:hover{border-color:#cfd7e8;transform:translateY(-1px);box-shadow:var(--shadow2)}
    .menu-toggle{display:none}
    .hero{
      padding:28px 0 22px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch
    }
    .hero-main,.hero-side,.card,.section-panel,.quote,.faq-item,.form-panel,.timeline-item,.review-card,.article-card,.compare-table-wrap,.feature-band,.about-strip,.contact-panel,.price-panel{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(230,234,242,.94);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main::after{
      content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(45,108,255,.18), rgba(45,108,255,0) 68%);
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:linear-gradient(135deg, rgba(45,108,255,.12), rgba(19,194,194,.10));
      color:#224269;font-size:13px;font-weight:700;border:1px solid rgba(45,108,255,.10)
    }
    h1{margin:16px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .chip{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:#f3f6fb;color:#334155;border:1px solid #e4eaf3;font-size:13px}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .hero-side .mini-top{
      display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;
      background:linear-gradient(135deg, rgba(45,108,255,.08), rgba(108,77,255,.08));
      border:1px solid rgba(45,108,255,.10)
    }
    .mini-top strong{display:block;font-size:14px}
    .mini-top span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{
      padding:16px;border-radius:16px;background:linear-gradient(180deg,#fff,#fafcff);
      border:1px solid #e8edf6;min-height:100px
    }
    .stat b{display:block;font-size:24px;line-height:1;color:#173055}
    .stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted);line-height:1.6}
    .section{padding:18px 0}
    .section-title{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px
    }
    .section-title h2{margin:0;font-size:clamp(22px,2.6vw,32px);line-height:1.2}
    .section-title p{margin:0;color:var(--muted);font-size:14px;line-height:1.7;max-width:70ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h3{margin:12px 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75;font-size:14px}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(45,108,255,.12), rgba(108,77,255,.12));
      color:#204a96;font-weight:800;border:1px solid rgba(45,108,255,.10)
    }
    .feature-band{padding:18px 20px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{
      padding:9px 12px;border-radius:999px;border:1px solid #e4eaf3;background:#fff;color:#314257;font-size:13px
    }
    .about-strip{padding:24px}
    .about-strip .lead{
      display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center
    }
    .callout{
      padding:16px 18px;border-radius:16px;background:linear-gradient(135deg, rgba(19,194,194,.12), rgba(45,108,255,.10));
      border:1px solid rgba(45,108,255,.10);min-width:min(360px,100%)
    }
    .callout strong{display:block;font-size:18px;margin-bottom:6px}
    .callout span{display:block;color:var(--muted);font-size:14px;line-height:1.7}
    .steps{counter-reset:step}
    .step{
      padding:20px;border-radius:18px;border:1px solid #e5ebf4;background:#fff;position:relative
    }
    .step::before{
      counter-increment:step;content:"0" counter(step);
      position:absolute;top:18px;right:18px;font-size:13px;font-weight:800;color:#9fb0c6
    }
    .step h3{margin:0 0 10px;font-size:18px}
    .step p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .compare-table-wrap{padding:18px;overflow:auto}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:920px}
    th,td{padding:14px 12px;border-bottom:1px solid #edf1f7;text-align:left;vertical-align:top;font-size:14px;line-height:1.65}
    th{color:#22324a;background:#f8fbff;font-size:13px;text-transform:none}
    tr:last-child td{border-bottom:none}
    .score{
      display:inline-flex;align-items:center;gap:8px;font-weight:800;color:#0e5f35
    }
    .score i{font-style:normal;color:var(--warm)}
    .rating-card{
      padding:20px;border-radius:18px;background:linear-gradient(135deg, rgba(45,108,255,.10), rgba(255,184,77,.12));
      border:1px solid rgba(45,108,255,.10)
    }
    .rating-card strong{font-size:22px;display:block;margin-bottom:8px}
    .rating-card p{margin:0;color:var(--muted);line-height:1.8}
    .service-map{
      display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px
    }
    .service-map span{
      background:#fff;border:1px solid #e5ebf4;border-radius:14px;padding:12px 10px;text-align:center;
      font-size:13px;color:#334155;box-shadow:0 8px 16px rgba(28,36,48,.04)
    }
    .compare-mini{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .mini-card{padding:20px;border-radius:18px;background:#fff;border:1px solid #e5ebf4}
    .mini-card h3{margin:0 0 10px}
    .mini-card ul{margin:0;padding-left:18px}
    .mini-card li{margin:8px 0;color:var(--muted);line-height:1.7;font-size:14px}
    .timeline{display:grid;gap:14px}
    .timeline-item{padding:18px 18px 18px 20px;display:flex;gap:14px;align-items:flex-start}
    .timeline-dot{
      width:12px;height:12px;margin-top:6px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:0 0 auto;
      box-shadow:0 0 0 6px rgba(45,108,255,.08)
    }
    .timeline-item h3{margin:0 0 8px;font-size:16px}
    .timeline-item p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review-card{padding:20px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .avatar{
      width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg, rgba(45,108,255,.14), rgba(19,194,194,.14));
      display:grid;place-items:center;font-weight:800;color:#224269
    }
    .review-card h3{margin:0;font-size:16px}
    .review-card p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .rating-stars{color:var(--warm);font-size:14px;letter-spacing:1px}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;padding:18px 20px;border:0;background:transparent;color:var(--text);cursor:pointer;
      display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:15px;font-weight:700;text-align:left
    }
    .faq-q span{display:block}
    .faq-q::after{content:"+";font-size:22px;color:#6a7890;transition:.2s ease}
    .faq-item.open .faq-q::after{content:"–"}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.8;font-size:14px;padding-bottom:18px}
    .faq-item.open .faq-a{max-height:220px}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article-card{padding:18px}
    .article-card .meta{font-size:12px;color:#6a7890;margin-bottom:10px}
    .article-card h3{margin:0 0 8px;font-size:17px;line-height:1.45}
    .article-card p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .article-card a.more{display:inline-flex;margin-top:14px;color:var(--brand);font-weight:700;font-size:14px}
    .form-panel{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#2d3d52}
    input,select,textarea{
      width:100%;border:1px solid #dfe6f0;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);
      background:#fff;outline:none;transition:.2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#91b1ff;box-shadow:0 0 0 4px rgba(45,108,255,.10)}
    .form-note{color:var(--muted);font-size:13px;line-height:1.7;margin-top:2px}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px}
    .footer-links a{color:#334155;font-size:14px}
    .footer-links a:hover{color:var(--brand)}
    .footer{
      margin-top:18px;border-top:1px solid rgba(230,234,242,.95);
      background:linear-gradient(180deg,#ffffff,#f7f9fd);color:#2b3646
    }
    .footer-inner{padding:28px 0 24px;display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .footer p,.footer li{color:#516071;line-height:1.8;font-size:14px}
    .footer h3{margin:0 0 12px;font-size:16px;color:#1e2a3a}
    .footer small{color:#64748b}
    .footer-bottom{
      padding-top:18px;margin-top:18px;border-top:1px solid #e8edf6;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap
    }
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(230,234,242,.95);
      background:#fff;display:grid;place-items:center;box-shadow:var(--shadow2);cursor:pointer
    }
    .float-btn:hover{transform:translateY(-1px)}
    .customer-card{
      position:fixed;right:16px;bottom:78px;z-index:39;width:min(300px, calc(100vw - 32px));
      background:#fff;border:1px solid #e5ebf4;border-radius:18px;box-shadow:var(--shadow);padding:14px;display:none
    }
    .customer-card.open{display:block}
    .customer-card h3{margin:0 0 10px;font-size:16px}
    .customer-card p{margin:0 0 10px;color:var(--muted);font-size:14px;line-height:1.7}
    .customer-card img{border-radius:14px;border:1px solid #edf1f7}
    .hidden-mobile{display:block}
    .top-anchor{scroll-margin-top:92px}
    .link-row{display:flex;flex-wrap:wrap;gap:10px}
    .inline-link{
      display:inline-flex;align-items:center;justify-content:center;padding:9px 12px;border-radius:999px;border:1px solid #e4eaf3;background:#fff;
      color:#334155;font-size:13px;transition:.2s ease
    }
    .inline-link:hover{transform:translateY(-1px);border-color:#cfd7e8;box-shadow:0 10px 20px rgba(28,36,48,.06)}
    .banner-images{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .banner-images img,.square-image img{
      width:100%;height:auto;border-radius:18px;border:1px solid #e5ebf4;background:#fff;box-shadow:var(--shadow2)
    }
    .section-panel{padding:22px}
    .pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .pills span{padding:8px 10px;border-radius:999px;background:#f4f7fc;border:1px solid #e5ebf4;color:#42526b;font-size:13px}
    .price-panel{padding:22px}
    .price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .price-item{padding:18px;border-radius:18px;background:#fff;border:1px solid #e5ebf4}
    .price-item strong{display:block;font-size:20px;color:#143055}
    .price-item span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}
    .center-note{padding:14px 18px;border-radius:16px;background:#f8fbff;border:1px dashed #dbe6f7;color:#42526b;font-size:14px;line-height:1.7}
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .reveal.in{opacity:1;transform:none}
    @media (max-width: 1100px){
      .hero-grid,.grid-4,.reviews,.articles,.footer-inner,.grid-3,.compare-mini,.service-map,.price-grid{grid-template-columns:1fr 1fr}
      .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
      .service-map{grid-template-columns:repeat(3,minmax(0,1fr))}
    }
    @media (max-width: 820px){
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:inline-flex}
      .hero-grid,.grid-2,.form-grid,.reviews,.articles,.footer-inner,.compare-mini,.grid-3,.banner-images,.price-grid{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .about-strip .lead{grid-template-columns:1fr}
      .service-map{grid-template-columns:repeat(2,minmax(0,1fr))}
      .hidden-mobile{display:none}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .nav{min-height:68px}
      h1{font-size:clamp(28px,9vw,42px)}
      .hero{padding-top:20px}
      .hero-main,.hero-side,.card,.section-panel,.form-panel,.compare-table-wrap,.price-panel,.about-strip,.footer-inner,.review-card,.article-card,.mini-card,.step,.timeline-item{border-radius:16px}
      .stat-grid{grid-template-columns:1fr 1fr}
      .service-map{grid-template-columns:1fr 1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }