:root{
      --bg:#f6f8fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#122033;
      --muted:#5f6c80;
      --line:#dce5f2;
      --primary:#1b67ff;
      --primary2:#7b61ff;
      --accent:#0bc5ea;
      --shadow:0 18px 40px rgba(16, 39, 87, .08);
      --shadow2:0 12px 26px rgba(27,103,255,.14);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at 12% 10%, rgba(123,97,255,.10), transparent 20%),
        radial-gradient(circle at 86% 12%, rgba(11,197,234,.10), transparent 18%),
        linear-gradient(180deg, #f9fbff 0%, var(--bg) 100%);
      color:var(--text);
      line-height:1.65;
      overflow-x:hidden;
    }
    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:50;
      backdrop-filter: blur(16px);
      background:rgba(246,248,252,.78);
      border-bottom:1px solid rgba(220,229,242,.72);
    }
    .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;box-shadow:0 6px 18px rgba(16,39,87,.08)}
    .brand-text{min-width:0}
    .brand-text strong{display:block; font-size:1.02rem; letter-spacing:.2px}
    .brand-text span{display:block; color:var(--muted); font-size:.88rem}
    .nav-toggle{
      display:none; border:1px solid var(--line); background:#fff; color:var(--text);
      width:42px; height:42px; border-radius:12px; box-shadow:var(--shadow); cursor:pointer;
    }
    .nav-links{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{
      color:var(--text); font-size:.95rem; padding:8px 0; position:relative; opacity:.9
    }
    .nav-links a::after{
      content:""; position:absolute; left:0; bottom:0; width:0; height:2px; border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent)); transition:width .24s ease;
    }
    .nav-links a:hover::after,.nav-links a:focus::after{width:100%}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:none; border-radius:999px; padding:12px 18px; cursor:pointer;
      font-weight:700; transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--primary) 0%, var(--primary2) 100%);
      box-shadow:0 12px 30px rgba(27,103,255,.25);
    }
    .btn-ghost{
      color:var(--text); background:#fff; border:1px solid var(--line); box-shadow:0 10px 22px rgba(16,39,87,.05)
    }
    .hero{
      padding:34px 0 24px;
      position:relative;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.18fr .82fr; gap:22px; align-items:stretch;
    }
    .hero-main{
      position:relative; overflow:hidden;
      padding:34px; border-radius:30px;
      background:
        linear-gradient(135deg, rgba(27,103,255,.10), rgba(123,97,255,.08) 45%, rgba(11,197,234,.09)),
        linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
      border:1px solid rgba(220,229,242,.9);
      box-shadow:var(--shadow);
    }
    .hero-main::before,.hero-main::after{
      content:""; position:absolute; border-radius:50%; filter:blur(4px); pointer-events:none;
    }
    .hero-main::before{width:180px;height:180px;background:rgba(27,103,255,.10); right:-40px; top:-38px}
    .hero-main::after{width:140px;height:140px;background:rgba(11,197,234,.10); left:-30px; bottom:-40px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 12px; border-radius:999px;
      color:#1044af; background:rgba(27,103,255,.10);
      border:1px solid rgba(27,103,255,.16); font-size:.9rem; font-weight:700;
    }
    h1{
      margin:16px 0 14px;
      font-size:clamp(2rem, 4vw, 3.55rem);
      line-height:1.08;
      letter-spacing:-.02em;
    }
    .hero p{margin:0; color:var(--muted); font-size:1.02rem; max-width:62ch}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:24px}
    .hero-highlights{
      display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin-top:24px
    }
    .mini-stat{
      background:rgba(255,255,255,.88); border:1px solid rgba(220,229,242,.9);
      border-radius:18px; padding:16px; box-shadow:0 10px 24px rgba(16,39,87,.05)
    }
    .mini-stat strong{display:block; font-size:1.16rem}
    .mini-stat span{display:block; color:var(--muted); font-size:.9rem; margin-top:4px}
    .hero-side{
      display:grid; gap:14px;
    }
    .panel{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(220,229,242,.9);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:20px;
    }
    .panel h2,.section-title h2{margin:0}
    .panel-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px
    }
    .panel-title h3{margin:0; font-size:1.04rem}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{
      padding:8px 12px; border-radius:999px; background:#f3f7ff; border:1px solid #dce5f2;
      color:#183356; font-size:.92rem
    }
    .quick-links{display:grid; gap:10px}
    .quick-links a{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:12px 14px; border-radius:16px; background:linear-gradient(180deg,#fff,#f8fbff);
      border:1px solid #e2eaf6;
    }
    .quick-links a span{color:var(--muted); font-size:.92rem}
    .section{padding:18px 0}
    .section-title{
      display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:18px
    }
    .section-title p{margin:0; color:var(--muted)}
    .section h2{
      font-size:clamp(1.45rem, 2vw, 2.05rem);
      line-height:1.2;
    }
    .grid-4{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px}
    .grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .grid-2{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px}
    .card{
      background:rgba(255,255,255,.92); border:1px solid rgba(220,229,242,.95);
      border-radius:22px; padding:20px; box-shadow:0 10px 24px rgba(16,39,87,.05);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{transform:translateY(-4px); box-shadow:var(--shadow2); border-color:#c9d8ee}
    .card h3{margin:0 0 10px; font-size:1.05rem}
    .card p{margin:0; color:var(--muted)}
    .metric{font-size:1.75rem; font-weight:800; margin-bottom:6px; background:linear-gradient(135deg,var(--primary),var(--primary2)); -webkit-background-clip:text; background-clip:text; color:transparent}
    .step-list{display:grid; gap:12px}
    .step{
      display:flex; gap:14px; padding:16px; border-radius:18px; background:#fff; border:1px solid var(--line)
    }
    .step-num{
      flex:0 0 auto; width:38px; height:38px; display:grid; place-items:center;
      border-radius:12px; color:#fff; font-weight:800;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 24px rgba(27,103,255,.20);
    }
    .step h3{margin:0 0 6px; font-size:1rem}
    .step p{margin:0; color:var(--muted)}
    .table-wrap{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow)}
    table{width:100%; border-collapse:collapse; min-width:860px; background:#fff}
    th,td{padding:16px 14px; border-bottom:1px solid #edf2f8; text-align:left; vertical-align:top}
    th{background:linear-gradient(180deg,#f8fbff,#f4f8ff); font-size:.95rem}
    tr:last-child td{border-bottom:none}
    .score-box{
      display:grid; grid-template-columns:auto 1fr; gap:16px; align-items:center;
      padding:22px; border-radius:22px; background:linear-gradient(135deg, rgba(27,103,255,.08), rgba(123,97,255,.08));
      border:1px solid rgba(27,103,255,.14);
    }
    .score-num{font-size:2.2rem; font-weight:900; color:#103aa6}
    .stars{color:#f3a81a; letter-spacing:2px; font-size:1.15rem}
    .list{
      display:grid; gap:12px;
    }
    .list-item{
      padding:14px 16px; border-radius:18px; background:#fff; border:1px solid var(--line);
      display:flex; align-items:flex-start; gap:12px;
    }
    .dot{
      width:10px; height:10px; margin-top:8px; border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--accent)); flex:0 0 auto;
    }
    .timeline{display:grid; gap:12px}
    .timeline-item{
      display:grid; grid-template-columns:100px 1fr; gap:14px; padding:16px;
      background:#fff; border:1px solid var(--line); border-radius:18px
    }
    .timeline-item strong{display:block; color:#0f2d66}
    .timeline-item span{color:var(--muted)}
    .faq{display:grid; gap:12px}
    details{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:14px 16px; box-shadow:0 10px 20px rgba(16,39,87,.04)
    }
    summary{cursor:pointer; font-weight:700; list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{margin:12px 0 0; color:var(--muted)}
    .review{
      display:flex; flex-direction:column; gap:12px; min-height:100%
    }
    .avatar{
      width:46px; height:46px; border-radius:50%;
      display:grid; place-items:center; color:#fff; font-weight:800;
      background:linear-gradient(135deg,var(--primary),var(--primary2));
    }
    .review-head{display:flex; align-items:center; gap:12px}
    .review-head strong{display:block}
    .review-head span{display:block; color:var(--muted); font-size:.9rem}
    .quote{color:var(--text)}
    .case-card{
      padding:0; overflow:hidden
    }
    .case-card .case-body{padding:18px 20px}
    .case-figure{
      aspect-ratio:16/9;
      background:linear-gradient(135deg, rgba(27,103,255,.11), rgba(11,197,234,.12), rgba(123,97,255,.10));
      border-bottom:1px solid var(--line);
      display:grid; place-items:center; color:#12316d; font-weight:800;
    }
    .case-figure img{width:100%; height:100%; object-fit:cover}
    .article-list{display:grid; gap:12px}
    .article-item{
      display:flex; justify-content:space-between; gap:18px; padding:14px 16px; background:#fff; border:1px solid var(--line); border-radius:18px
    }
    .article-item span{color:var(--muted); white-space:nowrap}
    .form{
      display:grid; gap:12px
    }
    .field{display:grid; gap:7px}
    .field label{font-weight:700}
    .field input,.field select,.field textarea{
      width:100%; padding:13px 14px; border-radius:14px; border:1px solid #ccd8ea;
      background:#fff; color:var(--text); outline:none; font:inherit
    }
    .field textarea{min-height:120px; resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#7d96ff; box-shadow:0 0 0 4px rgba(123,97,255,.10)}
    .form-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px}
    .contact-box{
      display:grid; gap:12px;
    }
    .contact-row{
      display:grid; grid-template-columns:1fr auto; gap:16px; align-items:center;
      padding:18px; border-radius:20px; background:#fff; border:1px solid var(--line)
    }
    .qr{
      width:118px; padding:10px; border:1px solid var(--line); border-radius:18px; background:#fff
    }
    .fixed-tools{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px
    }
    .tool{
      width:48px; height:48px; border-radius:16px; display:grid; place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2)); color:#fff; box-shadow:0 14px 28px rgba(27,103,255,.25)
    }
    .footer{
      margin-top:18px;
      padding:26px 0 20px;
      border-top:1px solid rgba(220,229,242,.9);
      background:linear-gradient(180deg,#f8fbff 0%, #eef4ff 100%);
      color:var(--text);
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px; align-items:start}
    .footer h3{margin:0 0 10px}
    .footer p,.footer a,.footer li{color:#31445e}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    .footer-links a{
      padding:8px 12px; background:#fff; border:1px solid var(--line); border-radius:999px
    }
    .fine{margin-top:16px; color:#5f6c80; font-size:.92rem}
    .scroll-top{
      position:fixed; left:16px; bottom:16px; z-index:60;
      opacity:0; visibility:hidden; transform:translateY(10px);
      transition:.2s ease;
    }
    .scroll-top.show{opacity:1; visibility:visible; transform:translateY(0)}
    .mobile-only{display:none}
    .section-anchor{scroll-margin-top:92px}
    .fade-up{opacity:0; transform:translateY(18px); transition:all .55s ease}
    .fade-up.in-view{opacity:1; transform:translateY(0)}
    .nav-panel{display:flex; gap:14px; align-items:center}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.form-grid{grid-template-columns:1fr 1fr}
      .hero-main{padding:28px}
    }
    @media (max-width: 860px){
      .nav-toggle{display:inline-grid; place-items:center}
      .nav-links{
        position:absolute; left:16px; right:16px; top:70px;
        display:none; padding:14px; background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow);
        flex-direction:column; align-items:flex-start;
      }
      .nav-links.open{display:flex}
      .nav-actions{margin-left:auto}
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.form-grid{grid-template-columns:1fr}
      .section-title,.nav{align-items:flex-start; flex-direction:column}
      .nav-panel{width:100%; justify-content:space-between}
      .hero-highlights{grid-template-columns:1fr}
      .contact-row{grid-template-columns:1fr}
    }
    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero-main,.panel,.card,.contact-row{border-radius:20px}
      .hero-main{padding:22px}
      h1{font-size:1.8rem}
      .btn{width:100%}
      .hero-actions{flex-direction:column}
      .timeline-item{grid-template-columns:1fr}
      .article-item{flex-direction:column}
      .mobile-only{display:block}
    }