:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f8fbff;
      --line:#dbe5f2;
      --text:#152235;
      --muted:#5b6b82;
      --brand:#5d5ff0;
      --brand-2:#22c1c3;
      --accent:#ff8a5c;
      --shadow:0 18px 50px rgba(24,39,75,.10);
      --shadow-2:0 10px 30px rgba(30,48,89,.12);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(93,95,240,.12), transparent 28%),
        radial-gradient(circle at 85% 10%, rgba(34,193,195,.12), transparent 22%),
        linear-gradient(180deg,#f8fbff 0%, #f4f7fb 100%);
    }
    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;
      backdrop-filter:blur(16px);
      background:rgba(246,248,252,.84);
      border-bottom:1px solid rgba(219,229,242,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:76px;
    }
    .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;box-shadow:0 8px 20px rgba(0,0,0,.06)}
    .brand strong{font-size:18px;letter-spacing:.5px}
    .brand 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:var(--muted);padding:8px 0;position:relative}
    .nav-links a::after{
      content:"";position:absolute;left:0;bottom:2px;width:100%;height:2px;border-radius:99px;
      background:linear-gradient(90deg,var(--brand),var(--brand-2));transform:scaleX(0);transform-origin:left;transition:.25s ease;
    }
    .nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn,.btn-ghost,.btn-soft{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid transparent;
      padding:12px 18px;font-weight:700;font-size:14px;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn{color:#fff;background:linear-gradient(135deg,var(--brand),#7b5cff);box-shadow:0 12px 24px rgba(93,95,240,.25)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(93,95,240,.32)}
    .btn-soft{background:linear-gradient(135deg,rgba(93,95,240,.12),rgba(34,193,195,.10));color:#1d2b44;border-color:rgba(93,95,240,.18)}
    .btn-soft:hover,.btn-ghost:hover{transform:translateY(-2px)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
    .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
    .hero{padding:34px 0 24px}
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch
    }
    .hero-main,.hero-side,.section-card,.panel,.faq-item,.review-card,.article-card,.service-card,.step-card,.price-card,.timeline-card,.tag-cloud,.compare-card,.form-card{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,251,255,.98));
      border:1px solid rgba(219,229,242,.92);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:32px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none
    }
    .hero-main::before{width:280px;height:280px;background:radial-gradient(circle,rgba(93,95,240,.16),transparent 65%);top:-85px;right:-80px}
    .hero-main::after{width:220px;height:220px;background:radial-gradient(circle,rgba(34,193,195,.16),transparent 62%);bottom:-90px;left:-90px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
      background:linear-gradient(135deg,rgba(93,95,240,.12),rgba(255,138,92,.10));color:#35445d;font-size:13px;font-weight:700
    }
    h1{font-size:clamp(32px,4.7vw,56px);line-height:1.08;margin:18px 0 14px;letter-spacing:-.02em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:60ch;margin:0 0 22px}
    .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
    .mini-stat{padding:14px 16px;border-radius:16px;background:linear-gradient(180deg,#fff,#f6f9fe);border:1px solid var(--line)}
    .mini-stat b{display:block;font-size:18px;margin-bottom:4px}
    .mini-stat span{font-size:12px;color:var(--muted)}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .side-card{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(93,95,240,.08),rgba(34,193,195,.08));border:1px solid rgba(93,95,240,.12)}
    .side-card h3,.section-title{margin:0 0 10px;font-size:24px}
    .section-sub{margin:0 0 22px;color:var(--muted);line-height:1.8}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 25px rgba(23,35,61,.06)}
    .stat strong{display:block;font-size:26px;margin-bottom:6px}
    .stat span{color:var(--muted);font-size:13px;line-height:1.5}
    section{padding:18px 0}
    .section-card{padding:28px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .service-card,.step-card,.price-card,.timeline-card,.review-card,.article-card,.faq-item,.compare-card,.form-card{padding:20px}
    .service-card h3,.step-card h3,.price-card h3,.timeline-card h3,.review-card h3,.article-card h3{margin:0 0 10px;font-size:18px}
    .service-card p,.step-card p,.price-card p,.timeline-card p,.review-card p,.article-card p,.faq-item p{margin:0;color:var(--muted);line-height:1.8}
    .icon{
      width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,rgba(93,95,240,.14),rgba(34,193,195,.14));color:#26344c;font-size:20px;margin-bottom:14px
    }
    .chips{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:#31415e}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step-num{
      width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;margin-bottom:14px
    }
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf2f8;text-align:left;vertical-align:top}
    th{background:#f8fbff;color:#31415e;font-size:14px}
    td{color:#31415e;font-size:14px;line-height:1.7}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:rgba(93,95,240,.10);color:#32405d;font-size:12px;font-weight:700}
    .rating{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:10px 0 16px}
    .stars{color:#ffb400;font-size:18px;letter-spacing:2px}
    details{
      border-top:1px solid #edf2f8;padding:14px 0
    }
    details:first-of-type{border-top:none;padding-top:0}
    summary{
      list-style:none;cursor:pointer;font-weight:700;color:#203047;display:flex;align-items:center;justify-content:space-between;gap:12px
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";color:var(--brand);font-size:18px;flex:0 0 auto}
    details[open] summary::after{content:"－"}
    .faq-item p{padding-top:12px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
    .reviewer{font-weight:800}
    .role{font-size:12px;color:var(--muted)}
    .article-card .meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
    .article-card .meta span,.timeline-card .meta span{font-size:12px;color:#4c5a70;background:#f2f6fc;border:1px solid var(--line);padding:6px 10px;border-radius:999px}
    .compare-card .grid-2{align-items:start}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:14px;font-weight:700;margin:0 0 8px;color:#24324a}
    input,select,textarea{
      width:100%;border-radius:14px;border:1px solid #ccd7e7;background:#fff;color:var(--text);
      padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(93,95,240,.7);box-shadow:0 0 0 4px rgba(93,95,240,.10)}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
    .footer{
      margin-top:18px;padding:24px 0 28px;background:#eff4fb;border-top:1px solid #d9e3f1;color:#31415e
    }
    .footer a{color:#2e4c86}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer small,.footer p{color:#5a6b83;line-height:1.8}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;border:1px solid rgba(93,95,240,.16);background:#fff;box-shadow:var(--shadow-2);
      display:flex;align-items:center;justify-content:center;font-size:20px;color:#28364e
    }
    .客服{
      position:fixed;left:18px;bottom:18px;z-index:40;display:flex;align-items:center;gap:12px;max-width:min(420px,calc(100vw - 36px));
      padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.96);border:1px solid var(--line);box-shadow:var(--shadow-2)
    }
    .客服 img{width:70px;height:70px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .客服 strong{display:block;margin-bottom:4px}
    .客服 span{display:block;font-size:12px;color:var(--muted);line-height:1.6}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .tag-cloud{padding:18px}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .timeline-card .date{font-size:12px;color:#5f6f87;font-weight:700;margin-bottom:10px}
    .case-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case-card{padding:18px;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:0 10px 25px rgba(23,35,61,.06)}
    .case-card img{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);margin-bottom:12px}
    .mobile-only{display:none}
    @media (max-width: 1080px){
      .hero-grid,.footer-grid,.grid-3,.grid-2,.process,.timeline,.case-gallery,.stats{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr 1fr 1fr}
      .nav-links{gap:14px}
    }
    @media (max-width: 860px){
      .hero-grid,.footer-grid,.grid-3,.grid-2,.process,.timeline,.case-gallery,.stats,.hero-points,.form-grid{grid-template-columns:1fr}
      .nav-links,.nav-actions{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:flex}
      .nav{min-height:68px}
      .hero-main{padding:24px}
      .section-card{padding:22px}
      .客服{left:14px;right:14px;bottom:80px}
      .floating{right:14px;bottom:14px}
    }
    .mobile-menu{
      display:none;padding:0 20px 18px
    }
    .mobile-menu.open{display:block}
    .mobile-menu .panel{padding:16px;border-radius:18px}
    .mobile-menu a{display:block;padding:12px 0;border-bottom:1px solid #edf2f8;color:#32405d}
    .mobile-menu a:last-child{border-bottom:none}