:root{
      --bg:#f7f3ee;
      --bg2:#fffaf4;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#eadfce;
      --accent:#0f766e;
      --accent2:#f97316;
      --accent3:#2563eb;
      --shadow:0 18px 40px rgba(26,32,44,.08);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(249,115,22,.08), transparent 28%),
        radial-gradient(circle at 90% 0%, rgba(37,99,235,.08), transparent 25%),
        linear-gradient(180deg, #fffdf9 0%, var(--bg) 52%, #f8f6f1 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,250,244,.86);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(234,223,206,.75);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .mark{
      width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#fff,#fff5ea);
      border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 8px 18px rgba(0,0,0,.05);
    }
    .brand .text strong{display:block;font-size:18px;line-height:1.1}
    .brand .text span{display:block;color:var(--muted);font-size:12px}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#344054;padding:8px 0;position:relative}
    .nav-links a::after{
      content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:.25s ease;
    }
    .nav-links a:hover::after,.nav-links a.active::after{width:100%}
    .home-link{font-weight:700;color:var(--accent)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:13px 18px;font-weight:700;cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(135deg,var(--accent),#1d9d90);color:#fff;box-shadow:0 12px 26px rgba(15,118,110,.22)}
    .btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
    .hero{
      padding:42px 0 26px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.info-card,.quote-card,.article-card,.faq-card,.form-card,.case-card,.compare-card,.timeline-card,.pricing-card,.tag-card,.service-card{
      background:var(--card);border:1px solid rgba(234,223,206,.9);border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .hero-main{
      padding:34px;
      position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(255,250,244,.92)),
        linear-gradient(180deg, #fff, #fff9f2);
    }
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:50%;pointer-events:none;
      background:linear-gradient(135deg, rgba(249,115,22,.16), rgba(37,99,235,.12));
      filter:blur(2px);
    }
    .hero-main::before{width:190px;height:190px;right:-70px;top:-60px}
    .hero-main::after{width:140px;height:140px;left:-40px;bottom:-40px}
    .kicker{
      display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;
      background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-size:13px;font-weight:700;
    }
    h1{font-size:clamp(30px,4vw,54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);max-width:58ch;font-size:16px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini-stat{
      padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#fdf7ef);border:1px solid var(--line)
    }
    .mini-stat strong{display:block;font-size:22px;color:#111827}
    .mini-stat span{display:block;font-size:13px;color:var(--muted)}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-top{
      border-radius:20px;background:linear-gradient(135deg,#fff8ef,#fff);border:1px dashed #f4c9a0;padding:18px
    }
    .side-top h2{margin:0 0 8px;font-size:20px}
    .side-top p{margin:0;color:var(--muted);font-size:14px}
    .badge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .badge{
      padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line);font-size:13px;color:#374151
    }
    .section{padding:18px 0 0}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 16px
    }
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);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}
    .info-card,.service-card,.case-card,.compare-card,.faq-card,.quote-card,.article-card,.form-card,.timeline-card,.pricing-card,.tag-card{padding:20px}
    .service-card h3,.info-card h3,.case-card h3,.compare-card h3,.quote-card h3,.article-card h3,.form-card h3,.timeline-card h3,.pricing-card h3,.tag-card h3{margin:0 0 10px;font-size:18px}
    .muted{color:var(--muted)}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;margin-bottom:12px;
      background:linear-gradient(135deg,#fff1e8,#eef5ff);border:1px solid var(--line);font-size:20px
    }
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:8px 12px;border-radius:999px;background:#fff7ef;border:1px solid #f3d3ba;color:#92400e;font-size:13px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#475569}
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step{
      position:relative;padding:20px;border-radius:20px;background:linear-gradient(180deg,#fff,#fcfaf6);border:1px solid var(--line)
    }
    .step .num{
      width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--accent),#20b0a0);color:#fff;font-weight:800;margin-bottom:12px
    }
    .compare-wrap{overflow-x:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
    th{background:#fff7ef;color:#78350f;font-size:14px}
    td{font-size:14px;color:#374151}
    .check{color:#0f766e;font-weight:700}
    .x{color:#b45309}
    .rating-box{
      display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
      padding:18px;border-radius:18px;background:linear-gradient(135deg,#fff7ed,#fff);
      border:1px solid #fed7aa;margin-bottom:16px
    }
    .stars{color:#f59e0b;font-size:18px;letter-spacing:2px}
    .faq-list{display:grid;gap:12px}
    details{
      border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden
    }
    summary{
      list-style:none;cursor:pointer;padding:18px 18px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:12px
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";color:var(--accent);font-size:18px}
    details[open] summary::after{content:"－"}
    details .answer{padding:0 18px 18px;color:var(--muted)}
    .reviews .quote-card{display:flex;flex-direction:column;gap:12px}
    .quote-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .avatar{
      width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,#fff1e8,#eef5ff);border:1px solid var(--line);font-weight:800;color:#1f2937
    }
    .article-list{display:grid;gap:12px}
    .article-item{
      display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:15px 16px;border-radius:16px;border:1px solid var(--line);background:#fff
    }
    .article-item .meta{font-size:13px;color:var(--muted);margin-top:4px}
    .article-item strong{display:block}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #d8d0c3;border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:#111827;outline:none;
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#f59e0b;box-shadow:0 0 0 4px rgba(245,158,11,.12)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:10px}
    .contact-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .contact-card{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .footer{
      margin-top:22px;padding:26px 0 28px;border-top:1px solid rgba(234,223,206,.9);background:#fbf7f0;color:#243041
    }
    .footer a{color:#1d4ed8}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px}
    .footer small,.footer p{color:#4b5563}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#334155}
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);font-size:20px
    }
    .float-btn.primary{background:linear-gradient(135deg,var(--accent),#19a79b);color:#fff}
    .scroll-top{opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s ease}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:none}
    .images-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .images-grid img,.media-card img{border-radius:18px;border:1px solid var(--line);background:#fff}
    .media-card{padding:16px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .media-card h3{margin:14px 0 8px}
    .timeline{display:grid;gap:12px}
    .timeline-item{
      display:grid;grid-template-columns:92px 1fr;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)
    }
    .timeline-item strong{color:#111827}
    .ribbon{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#eefbf9;color:#0f766e;font-size:12px;font-weight:700}
    .section-slab{padding:18px 0}
    .sticky-cta{
      display:flex;gap:12px;flex-wrap:wrap;margin-top:18px
    }
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.footer-grid,.grid-4,.flow,.contact-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
      .grid-3,.grid-2,.hero-points,.images-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .menu-btn{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:20px;right:20px;top:76px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)
      }
      .nav-links.open{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
      .nav{position:relative}
      .hero-grid,.grid-4,.grid-3,.grid-2,.flow,.contact-cards,.hero-points,.form-grid,.images-grid,.timeline-item{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero-main{padding:24px}
      .hero-side{padding:18px}
      .mobile-only{display:block}
      .hide-mobile{display:none}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none !important;transition:none !important}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .reveal.in{opacity:1;transform:none}