:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#fff7ed;
      --text:#132238;
      --muted:#5f6b7d;
      --line:#e6eaf1;
      --brand:#2563eb;
      --brand-2:#7c3aed;
      --accent:#ff4d6d;
      --gold:#ffb703;
      --green:#16a34a;
      --shadow:0 18px 50px rgba(19,34,56,.10);
      --radius:22px;
      --radius-sm:16px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(37,99,235,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(255,77,109,.08), transparent 26%),
        linear-gradient(180deg,#f8fbff 0%, #f5f7fb 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}
    .site-header{
      position:sticky;top:0;z-index:40;
      backdrop-filter: blur(14px);
      background:rgba(246,247,251,.82);
      border-bottom:1px solid rgba(230,234,241,.9);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:14px 0;
    }
    .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;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}
    .nav-links a,.home-link,.btn,.btn-ghost,.chip{
      border-radius:999px;
      transition:.25s ease;
    }
    .nav-links a{
      padding:9px 12px;font-size:14px;color:var(--text);border:1px solid transparent;
    }
    .nav-links a:hover,.nav-links a.active{background:#fff;border-color:var(--line);box-shadow:0 10px 25px rgba(19,34,56,.06)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:12px;color:var(--text)}
    .hero{
      padding:24px 0 10px;
    }
    .hero-box{
      position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10) 40%, rgba(255,77,109,.10)),
        linear-gradient(180deg,#ffffff,#f8fbff);
      border:1px solid rgba(230,234,241,.95);
      border-radius:30px;
      box-shadow:var(--shadow);
      padding:28px;
    }
    .hero-box::before,.hero-box::after{
      content:"";position:absolute;border-radius:50%;filter:blur(14px);pointer-events:none
    }
    .hero-box::before{width:190px;height:190px;background:rgba(37,99,235,.15);right:-40px;top:-30px}
    .hero-box::after{width:160px;height:160px;background:rgba(255,183,3,.13);left:-40px;bottom:-50px}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;position:relative;z-index:1}
    h1{font-size:clamp(30px,4.2vw,54px);line-height:1.06;margin:12px 0 14px}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .btn,.btn-ghost{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 18px;font-weight:700;border:1px solid transparent;
    }
    .btn{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.24)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 18px 30px rgba(37,99,235,.30)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#c8d3e4;box-shadow:0 14px 24px rgba(19,34,56,.08)}
    .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .chip{background:rgba(255,255,255,.85);border:1px solid var(--line);padding:9px 12px;font-size:13px;color:var(--text)}
    .hero-panel{
      background:rgba(255,255,255,.75);border:1px solid rgba(230,234,241,.95);
      border-radius:24px;padding:18px;box-shadow:0 10px 24px rgba(19,34,56,.06)
    }
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{
      background:linear-gradient(180deg,#fff, #f8fbff);
      border:1px solid var(--line);border-radius:18px;padding:16px;min-height:98px
    }
    .metric strong{display:block;font-size:24px;margin-bottom:6px}
    .metric span{font-size:13px;color:var(--muted);line-height:1.5}
    main section{padding:22px 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,2.7vw,34px)}
    .section-title p{margin:0;color:var(--muted);max-width:60ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{
      background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:0 12px 30px rgba(19,34,56,.06);padding:20px;
      transition:.25s ease
    }
    .card:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(19,34,56,.10)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.8}
    .list{margin:0;padding-left:18px}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text)}
    .accent-card{background:linear-gradient(180deg,#fff, #fff8f4)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative}
    .step .num{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(37,99,235,.15),rgba(255,77,109,.12));color:var(--brand);font-weight:800;margin-bottom:12px
    }
    .table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 30px rgba(19,34,56,.06)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f8fbff;font-size:14px}
    td{font-size:14px;color:var(--muted)}
    tr:last-child td{border-bottom:none}
    .rating{
      display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:stretch
    }
    .score{
      background:linear-gradient(135deg,#1d4ed8,#7c3aed 55%,#ff4d6d);
      color:#fff;border-radius:28px;padding:24px;box-shadow:0 18px 34px rgba(37,99,235,.25)
    }
    .score .stars{font-size:24px;letter-spacing:2px;margin:10px 0}
    .score .big{font-size:56px;font-weight:900;line-height:1}
    .faq details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 10px 26px rgba(19,34,56,.05)
    }
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .role{font-size:13px;color:var(--brand);font-weight:700;margin-bottom:10px}
    .review .name{font-weight:800;margin-bottom:6px}
    .mini-hero{
      background:linear-gradient(135deg,rgba(255,183,3,.14),rgba(37,99,235,.08));
      border:1px solid var(--line);border-radius:28px;padding:22px
    }
    .news-list,.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .news-item,.article-item{
      padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:#fff
    }
    .news-item a,.article-item a{font-weight:700}
    .news-item p,.article-item p{margin:8px 0 0;color:var(--muted);line-height:1.7}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-group{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    textarea{min-height:124px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#9bb5ff;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
    .footer{
      margin-top:10px;padding:24px 0 28px;border-top:1px solid var(--line);background:#f8fbff;color:var(--text)
    }
    .footer a{color:var(--brand)}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:start}
    .footer small,.footer p{color:var(--muted);line-height:1.8}
    .qr{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
    .qr img{width:132px;height:132px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff;padding:6px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;border:none;background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;display:grid;place-items:center;box-shadow:0 16px 28px rgba(37,99,235,.22);cursor:pointer
    }
    .float-contact{
      width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:0 12px 24px rgba(19,34,56,.08)
    }
    .mobile-nav{display:none}
    .fade-in{opacity:0;transform:translateY(12px);transition:.55s ease}
    .fade-in.show{opacity:1;transform:none}
    .service-tags{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
    .tag-box{padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .tag-box span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .time{padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;position:relative}
    .time b{display:inline-block;margin-bottom:8px}
    .home-link{display:inline-flex;align-items:center;padding:9px 14px;background:#fff;border:1px solid var(--line);font-weight:700}
    .home-link:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(19,34,56,.08)}
    .note{font-size:12px;color:var(--muted)}
    .split{
      display:grid;grid-template-columns:1fr .95fr;gap:16px;align-items:start
    }
    .img-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .img-stack img{border-radius:18px;border:1px solid var(--line);background:#fff;aspect-ratio:1/1;object-fit:cover}
    .wide-images{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .wide-images img{border-radius:22px;border:1px solid var(--line);background:#fff;aspect-ratio:16/10;object-fit:cover}
    .subtle{color:var(--muted)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.steps,.reviews,.rating,.footer-grid,.split,.news-list,.article-list,.timeline,.service-tags{grid-template-columns:1fr}
      .news-list,.article-list,.wide-images,.img-stack{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-nav{display:none;padding:0 0 14px}
      .mobile-nav.open{display:block}
      .mobile-nav a{display:block;padding:12px 10px;border-top:1px solid rgba(230,234,241,.8);color:var(--text)}
      .section-title{align-items:start;flex-direction:column}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 20px))}
      .hero-box{padding:18px;border-radius:24px}
      .metric-grid{grid-template-columns:1fr}
      h1{font-size:30px}
      .hero-actions .btn,.hero-actions .btn-ghost{width:100%}
    }