:root{
      --bg:#f6f8fc;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#5d6b84;
      --line:#dbe4f2;
      --brand:#ff4f7b;
      --brand2:#6f4dff;
      --brand3:#00c2ff;
      --accent:#ffb000;
      --shadow:0 18px 50px rgba(22, 38, 73, .10);
      --shadow2:0 10px 24px rgba(22, 38, 73, .08);
      --radius:22px;
      --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(255,79,123,.16), transparent 26%),
        radial-gradient(circle at top right, rgba(0,194,255,.13), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 38%, #f8fbff 100%);
      min-height:100vh;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:60;
      backdrop-filter: blur(16px);
      background:rgba(255,255,255,.72);
      border-bottom:1px solid rgba(219,228,242,.8);
    }
    .topbar{
      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:10px; background:#fff; box-shadow:var(--shadow2)}
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-text strong{font-size:18px; letter-spacing:.4px}
    .brand-text span{font-size:12px; color:var(--muted); margin-top:4px}
    .nav-toggle{
      display:none; width:44px; height:44px; border:none; border-radius:14px;
      background:linear-gradient(135deg, #ffedf3, #eef4ff);
      color:var(--text); box-shadow:var(--shadow2);
    }
    .nav{
      display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end;
      font-size:14px;
    }
    .nav a{color:#2d3a53; padding:10px 8px; border-radius:10px; transition:.25s}
    .nav a:hover{background:#eef4ff; color:var(--brand2)}
    .home-btn{
      display:inline-flex; align-items:center; gap:8px; padding:10px 16px; border-radius:999px;
      color:#fff !important; background:linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow:0 12px 24px rgba(111,77,255,.24);
    }
    .hero{
      padding:42px 0 22px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:22px; align-items:stretch;
    }
    .hero-main{
      background:
        linear-gradient(135deg, rgba(111,77,255,.12), rgba(255,79,123,.10)),
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,249,255,.94));
      border:1px solid rgba(219,228,242,.9);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:34px;
      position:relative;
    }
    .hero-main::before{
      content:""; position:absolute; inset:auto 28px 28px auto; width:180px; height:180px; border-radius:50%;
      background:radial-gradient(circle, rgba(0,194,255,.24), rgba(0,194,255,0) 66%);
      pointer-events:none;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:8px; padding:8px 14px; border-radius:999px;
      background:rgba(255,79,123,.10); color:#be2450; font-size:13px; font-weight:600;
      border:1px solid rgba(255,79,123,.14);
    }
    h1{font-size:clamp(32px, 5vw, 56px); line-height:1.08; margin:16px 0 14px}
    .lead{font-size:17px; line-height:1.8; color:var(--muted); max-width:56ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin:24px 0 20px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:14px 20px; border-radius:16px; border:1px solid transparent; cursor:pointer;
      font-weight:700; transition:.25s; box-shadow:var(--shadow2)
    }
    .btn-primary{color:#fff; background:linear-gradient(135deg, var(--brand), var(--brand2))}
    .btn-secondary{background:#fff; color:var(--text); border-color:var(--line)}
    .btn:hover{transform:translateY(-2px); box-shadow:0 16px 28px rgba(22,38,73,.14)}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:12px}
    .point{
      padding:14px 16px; border-radius:18px; background:rgba(255,255,255,.82); border:1px solid var(--line);
    }
    .point strong{display:block; font-size:15px}
    .point span{display:block; color:var(--muted); font-size:13px; margin-top:6px; line-height:1.5}
    .hero-side{
      display:grid; gap:14px;
    }
    .side-card{
      background:rgba(255,255,255,.92); border:1px solid rgba(219,228,242,.95);
      border-radius:24px; box-shadow:var(--shadow2); padding:20px;
    }
    .side-card h3{margin:0 0 10px; font-size:18px}
    .metric-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .metric{
      padding:16px; border-radius:18px; background:linear-gradient(180deg, #fff, #f7faff); border:1px solid var(--line);
    }
    .metric b{display:block; font-size:24px; color:var(--brand2)}
    .metric span{display:block; color:var(--muted); font-size:13px; margin-top:6px; line-height:1.45}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{
      padding:9px 12px; border-radius:999px; background:#fff; border:1px solid var(--line);
      color:#30415f; font-size:13px;
    }
    .section{padding:24px 0}
    .section-head{
      display:flex; align-items:end; justify-content:space-between; gap:18px; margin-bottom:16px;
    }
    .section-head h2{margin:0; font-size:28px}
    .section-head p{margin:0; color:var(--muted); max-width:62ch; line-height:1.7}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .card{
      background:rgba(255,255,255,.94); border:1px solid rgba(219,228,242,.95);
      border-radius:22px; box-shadow:var(--shadow2); padding:20px; transition:.25s;
    }
    .card:hover{transform:translateY(-3px); box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px; font-size:18px}
    .card p, .card li{color:var(--muted); line-height:1.75}
    .icon{
      width:46px; height:46px; border-radius:14px; display:grid; place-items:center;
      color:#fff; font-weight:800; margin-bottom:12px;
      background:linear-gradient(135deg, var(--brand), var(--brand3));
    }
    .timeline{
      display:grid; grid-template-columns:repeat(4,1fr); gap:14px;
    }
    .step{
      position:relative; padding:20px; border-radius:22px; background:#fff; border:1px solid var(--line);
    }
    .step .num{
      display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px; border-radius:50%;
      background:linear-gradient(135deg, var(--brand2), var(--brand)); color:#fff; font-weight:800; margin-bottom:12px;
    }
    .compare-wrap{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow2)}
    table{width:100%; border-collapse:collapse; min-width:900px}
    th,td{padding:16px 14px; border-bottom:1px solid #edf2fa; text-align:left; vertical-align:top}
    th{background:#f7faff; font-size:14px}
    .badge{
      display:inline-flex; align-items:center; gap:6px; padding:7px 10px; border-radius:999px;
      font-size:12px; background:#f1f5ff; color:#33446a; border:1px solid #dbe3ff;
    }
    .highlight{
      color:#0d7d55; font-weight:700;
    }
    .rating-box{
      display:grid; grid-template-columns:1fr auto; gap:16px; align-items:center;
      padding:22px; border-radius:22px; background:linear-gradient(135deg, rgba(255,79,123,.10), rgba(111,77,255,.08));
      border:1px solid rgba(111,77,255,.12);
    }
    .stars{color:#ffb000; letter-spacing:2px; font-size:24px}
    .review-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .review .who{display:flex; align-items:center; gap:10px; margin-bottom:10px}
    .avatar{
      width:42px; height:42px; border-radius:50%; display:grid; place-items:center;
      background:linear-gradient(135deg, #ff4f7b, #6f4dff); color:#fff; font-weight:800;
    }
    .review .role{font-size:13px; color:var(--muted)}
    .case-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:16px}
    .case{
      display:grid; grid-template-columns:1fr 1fr; gap:14px; align-items:center;
    }
    .case .visual{
      border-radius:18px; overflow:hidden; border:1px solid var(--line); background:#f7f9ff;
    }
    .case .visual img{width:100%; height:auto}
    .article-list{display:grid; gap:12px}
    .article-item{
      display:flex; align-items:center; justify-content:space-between; gap:16px; padding:16px 18px;
      border:1px solid var(--line); border-radius:18px; background:#fff;
    }
    .article-item small{color:var(--muted)}
    .faq-list{display:grid; gap:12px}
    .faq-item{
      border:1px solid var(--line); background:#fff; border-radius:18px; overflow:hidden;
    }
    .faq-q{
      width:100%; text-align:left; background:transparent; border:none; padding:18px 18px;
      font-size:16px; font-weight:700; color:var(--text); display:flex; justify-content:space-between; gap:14px; cursor:pointer;
    }
    .faq-a{padding:0 18px 18px; color:var(--muted); line-height:1.8; display:none}
    .faq-item.open .faq-a{display:block}
    .form-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:16px}
    form{
      display:grid; gap:12px;
    }
    .field{display:grid; gap:8px}
    .field label{font-size:14px; color:#34415c; font-weight:600}
    .field input,.field select,.field textarea{
      width:100%; border:1px solid var(--line); background:#fff; border-radius:14px; padding:13px 14px;
      font:inherit; color:var(--text); outline:none; transition:.2s;
    }
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#97a9ff; box-shadow:0 0 0 4px rgba(111,77,255,.10)}
    .field textarea{min-height:122px; resize:vertical}
    .mini-note{font-size:13px; color:var(--muted); line-height:1.7}
    .footer{
      margin-top:18px; padding:28px 0 30px; border-top:1px solid var(--line); color:#25334d;
      background:linear-gradient(180deg, rgba(255,255,255,.55), rgba(247,250,255,.95));
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    .footer-links a{
      padding:9px 12px; background:#fff; border:1px solid var(--line); border-radius:999px; color:#30415f;
    }
    .footer small{color:#5d6b84}
    .floating{
      position:fixed; right:18px; bottom:18px; z-index:70; display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:16px; display:grid; place-items:center; color:#fff; font-size:12px;
      background:linear-gradient(135deg, var(--brand), var(--brand2)); box-shadow:var(--shadow2); border:none; cursor:pointer;
    }
    .float-link{
      width:52px; height:52px; border-radius:16px; display:grid; place-items:center; color:#fff;
      background:linear-gradient(135deg, #00c2ff, #6f4dff); box-shadow:var(--shadow2);
    }
    .floating-panel{
      position:fixed; right:18px; bottom:82px; z-index:70; width:min(320px, calc(100vw - 36px));
      background:#fff; border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow);
      padding:14px; display:none;
    }
    .floating-panel.open{display:block}
    .kefu{
      display:flex; gap:12px; align-items:center;
    }
    .kefu img{width:88px; height:88px; object-fit:cover; border-radius:16px; border:1px solid var(--line)}
    .kefu strong{display:block; margin-bottom:6px}
    .kefu p{margin:0; color:var(--muted); font-size:13px; line-height:1.6}
    .pill-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
    .pill{padding:9px 12px; background:#f7faff; border:1px solid var(--line); border-radius:999px; font-size:13px; color:#34415c}
    .banner-row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .banner-row img{border-radius:20px; border:1px solid var(--line); box-shadow:var(--shadow2)}
    .anchors{display:flex; flex-wrap:wrap; gap:10px}
    .anchors a{
      padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#30415f; font-size:13px;
    }
    .service-network{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .soft{
      background:linear-gradient(180deg, #fff, #f7faff); border:1px solid var(--line); border-radius:22px; padding:18px;
    }
    .soft b{display:block; margin-bottom:8px}
    .soft span{color:var(--muted); line-height:1.7}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.form-grid,.footer-grid,.case-grid,.grid-4,.timeline,.service-network,.review-grid,.grid-3{grid-template-columns:1fr 1fr}
      .case{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-grid; place-items:center}
      .nav{
        display:none; position:absolute; left:16px; right:16px; top:74px;
        background:#fff; border:1px solid var(--line); border-radius:20px; padding:12px; box-shadow:var(--shadow);
      }
      .nav.open{display:flex; flex-direction:column; align-items:stretch}
      .topbar{position:relative}
      .hero{padding-top:22px}
      .hero-grid,.hero-points,.grid-4,.grid-3,.timeline,.review-grid,.case-grid,.form-grid,.footer-grid,.service-network{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .section-head{flex-direction:column; align-items:flex-start}
      .banner-row{grid-template-columns:1fr}
      .nav a{padding:12px 10px}
      .mobile-only{display:block}
      .section{padding:20px 0}
    }
    .reveal{opacity:0; transform:translateY(16px); transition:.55s ease}
    .reveal.show{opacity:1; transform:none}