:root{
      --bg:#fffaf4;
      --panel:#ffffff;
      --panel-2:#fff3e8;
      --line:#f2d4be;
      --text:#213042;
      --muted:#5c6b79;
      --brand:#ff6a00;
      --brand-2:#ff8f1f;
      --brand-3:#ffb347;
      --shadow:0 16px 40px rgba(255,106,0,.10);
      --radius:20px;
      --max:1180px;
    }
    *{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;
      background:
        radial-gradient(circle at top left, rgba(255,106,0,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(255,179,71,.16), transparent 24%),
        linear-gradient(180deg, #fffdf9 0%, var(--bg) 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;
      backdrop-filter: blur(14px);
      background:rgba(255,250,244,.88);
      border-bottom:1px solid rgba(242,212,190,.8);
    }
    .header-inner{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}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;padding:10px 12px}
    .nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px;transition:.2s}
    .nav a:hover{background:rgba(255,106,0,.08);color:var(--brand)}
    .home-link{font-weight:700;color:var(--brand)}
    .hero{
      position:relative;
      padding:28px 0 20px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.35fr .9fr;
      gap:24px;
      align-items:stretch;
    }
    .hero-card,.panel,.mini-card,.testimonial,.faq-item,.price-box,.article-card,.case-card,.step-card,.service-card,.tag-box,.contact-card,.table-wrap,.timeline-card{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,250,244,.98));
      border:1px solid rgba(242,212,190,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:32px;position:relative;min-height:100%}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:rgba(255,106,0,.10);color:var(--brand);font-weight:700;font-size:13px;
    }
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,56px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:56ch}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;
      transition:.2s ease;cursor:pointer;min-height:46px
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 14px 28px rgba(255,106,0,.22)}
    .btn-secondary{background:var(--panel);color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-1px)}
    .hero-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .stat{
      background:linear-gradient(180deg,#fff, #fff7ef);
      border:1px solid rgba(242,212,190,.9);
      border-radius:18px;padding:16px
    }
    .stat b{display:block;font-size:24px;color:var(--brand)}
    .stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
    .hero-side{display:grid;gap:14px}
    .side-top,.side-bottom{padding:22px}
    .side-top h2,.section-title h2{margin:0 0 10px;font-size:28px;line-height:1.15}
    .section{padding:26px 0}
    .section-title{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:18px}
    .section-title p{margin:0;color:var(--muted);max-width:56ch}
    .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}
    .service-card,.case-card,.step-card,.article-card,.testimonial{padding:20px}
    .service-card h3,.case-card h3,.step-card h3,.article-card h3,.testimonial h3{margin:10px 0 8px;font-size:18px}
    .service-card p,.case-card p,.step-card p,.article-card p,.testimonial p{margin:0;color:var(--muted)}
    .icon{
      width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(255,106,0,.15), rgba(255,179,71,.18));
      color:var(--brand);font-weight:900
    }
    .panel{padding:24px}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .timeline-card{padding:18px}
    .timeline-card .num{color:var(--brand);font-weight:900;font-size:20px}
    .compare{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:900px;background:#fff}
    th,td{border-bottom:1px solid #f1dfcf;padding:14px 12px;text-align:left;vertical-align:top}
    th{background:#fff5eb;color:#1f2d3d;white-space:nowrap}
    tr:nth-child(even) td{background:#fffaf6}
    .badge{display:inline-flex;padding:5px 10px;border-radius:999px;background:rgba(255,106,0,.10);color:var(--brand);font-size:12px;font-weight:700}
    .compare-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    .score{font-size:44px;font-weight:900;color:var(--brand);line-height:1}
    .stars{color:#ff9f1a;font-size:18px;letter-spacing:2px}
    .chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text)}
    .pricing{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .price-box{padding:22px}
    .price-box strong{display:block;color:var(--brand);font-size:26px;margin:10px 0 8px}
    .list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
    .list li::before{content:"•";color:var(--brand);font-weight:900}
    .faq{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{padding:18px}
    .faq-q{display:flex;justify-content:space-between;gap:12px;align-items:center;cursor:pointer;font-weight:700}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--muted)}
    .faq-item.open .faq-a{max-height:160px;margin-top:10px}
    .reviews,.articles,.cases,.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;
      padding:12px 14px;font:inherit;color:var(--text);outline:none;transition:.2s
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(255,106,0,.55);box-shadow:0 0 0 4px rgba(255,106,0,.09)}
    textarea{min-height:120px;resize:vertical}
    .contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    .footer{
      margin-top:18px;padding:24px 0 28px;
      background:#fff7ef;border-top:1px solid rgba(242,212,190,.95);color:var(--text)
    }
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .footer a{color:var(--text)}
    .footer a:hover{color:var(--brand)}
    .foot-note{margin-top:16px;color:var(--muted);font-size:13px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      display:flex;align-items:center;gap:10px;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;padding:12px 14px;border-radius:999px;font-weight:700;box-shadow:0 16px 30px rgba(255,106,0,.22)
    }
    .backtop{
      width:48px;height:48px;border:none;border-radius:50%;background:#1f2d3d;color:#fff;cursor:pointer
    }
    .fade-up{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .fade-up.in{opacity:1;transform:none}
    .muted{color:var(--muted)}
    .small{font-size:13px}
    .tag-box{padding:18px}
    .service-network{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .network-item{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.compare-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.grid-3,.reviews,.articles,.cases,.service-grid,.pricing,.timeline,.service-network{grid-template-columns:repeat(2,minmax(0,1fr))}
      .faq{grid-template-columns:1fr}
      .nav{display:none}
      .nav-toggle{display:inline-flex}
      .nav.open{
        display:flex;flex-direction:column;align-items:flex-start;
        position:absolute;right:16px;top:68px;background:#fff;border:1px solid var(--line);
        border-radius:16px;padding:14px;box-shadow:var(--shadow);width:min(320px,calc(100vw - 32px))
      }
    }
    @media (max-width: 680px){
      .container{width:min(var(--max), calc(100% - 24px))}
      .grid-4,.grid-3,.reviews,.articles,.cases,.service-grid,.pricing,.timeline,.hero-meta,.service-network,.form-grid{grid-template-columns:1fr}
      .hero-card,.panel,.service-card,.case-card,.step-card,.article-card,.testimonial,.price-box{padding:18px}
      h1{font-size:30px}
      .section-title{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
    }