:root{--bg:#f5f8ff;--bg2:#eef6ff;--card:#ffffff;--text:#172033;--muted:#5e6b85;--line:#dbe6f7;--pri:#3b82f6;--pri2:#7c3aed;--acc:#06b6d4;--shadow:0 14px 40px rgba(29,61,121,.12);--radius:20px;--max:1180px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--text);background:radial-gradient(circle at top left,#ffffff 0,#f6fbff 36%,#edf3ff 100%);line-height:1.7}
    a{color:var(--pri);text-decoration:none}img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(245,248,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,230,247,.75)}
    .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;padding:4px;box-shadow:0 8px 18px rgba(59,130,246,.12)}.brand strong{display:block;font-size:18px}.brand span{display:block;font-size:12px;color:var(--muted)}
    .navlinks{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:flex-end}.navlinks a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px}.navlinks a:hover{background:#eaf2ff;color:var(--pri)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px}
    .hero{padding:34px 0 16px}.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.timeline li,.deal,.formbox,.comp,.article,.tagbox,.pricebox,.network{background:var(--card);border:1px solid rgba(219,230,247,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px;position:relative;overflow:hidden;background:linear-gradient(135deg,#ffffff 0%,#f5fbff 50%,#eef2ff 100%)}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;background:linear-gradient(135deg,rgba(59,130,246,.18),rgba(124,58,237,.12));filter:blur(8px)}
    .hero-main:before{width:220px;height:220px;right:-70px;top:-70px}.hero-main:after{width:160px;height:160px;left:-60px;bottom:-60px}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:999px;background:#edf5ff;color:#244b8f;font-size:13px;font-weight:600}
    h1{font-size:clamp(30px,4vw,54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}.lead{color:var(--muted);font-size:17px;max-width:58ch}
    .cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.2s ease;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;box-shadow:0 12px 26px rgba(59,130,246,.28)}.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}.btn:hover{transform:translateY(-2px)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}.stat{padding:16px;border-radius:18px;background:rgba(255,255,255,.74);border:1px solid rgba(219,230,247,.9)}.stat b{display:block;font-size:24px}.stat span{color:var(--muted);font-size:13px}
    .hero-side{padding:18px}.hero-side .panel{padding:18px;margin-bottom:14px}.pillrow{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:8px 11px;border-radius:999px;background:#f3f7ff;border:1px solid #d9e5ff;color:#26416d;font-size:13px}
    section{padding:14px 0 0}.section-title{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:18px 0 14px}.section-title h2{margin:0;font-size:28px}.section-title p{margin:0;color:var(--muted);max-width:62ch}
    .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,.panel,.comp,.review,.article,.deal,.formbox,.pricebox,.network{padding:20px}
    .card h3,.panel h3,.comp h3,.review h3,.article h3,.deal h3,.formbox h3,.pricebox h3,.network h3{margin:0 0 10px;font-size:18px}.muted{color:var(--muted)}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eaf2ff,#eefcfb);color:var(--pri);font-weight:800;margin-bottom:12px}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{position:relative;padding:20px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}.step b{display:inline-block;color:var(--pri);font-size:13px;margin-bottom:8px}
    .tablewrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}.datatable{width:100%;border-collapse:collapse;min-width:860px}.datatable th,.datatable td{padding:14px 16px;border-bottom:1px solid #edf2fb;text-align:left;vertical-align:top}.datatable th{background:#f6f9ff}.score{font-size:34px;font-weight:800;color:var(--pri2)}
    .faq-item{overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;background:none;border:0;padding:18px 20px;text-align:left;font-size:16px;font-weight:700;color:var(--text);cursor:pointer}.faq-a{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);transition:max-height .28s ease,padding .28s ease}.faq-item.open .faq-a{max-height:180px;padding:0 20px 18px}
    .reviews,.articles,.faqgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .tagbox .tags{display:flex;flex-wrap:wrap;gap:10px}.tagbox .tags span{padding:8px 11px;border-radius:999px;background:#f5f8ff;border:1px solid #dbe6f7;color:#39527d;font-size:13px}
    .formgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.field{display:flex;flex-direction:column;gap:6px}.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #d7e2f3;border-radius:14px;font:inherit;background:#fff;color:var(--text)}.field textarea{min-height:112px;resize:vertical}.field.full{grid-column:1/-1}
    .floating{position:fixed;right:16px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:60}.floating a,.topbtn{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--pri),var(--acc));color:#fff;box-shadow:0 14px 28px rgba(59,130,246,.25)}.topbtn{border:0;cursor:pointer}
    footer{margin-top:18px;padding:24px 0 26px;background:#eef4ff;border-top:1px solid #d9e5ff;color:#22304c}footer a{color:#234f9b}
    .footergrid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px;align-items:start}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}.mini-links a{background:#fff;border:1px solid #d9e5ff;padding:8px 10px;border-radius:999px}
    .scrollhint{font-size:13px;color:var(--muted)} .fade{opacity:0;transform:translateY(16px);transition:.5s ease}.fade.show{opacity:1;transform:none}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#f59e0b;letter-spacing:2px;font-size:20px}
    .service-network{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .tile{padding:16px;border-radius:18px;background:#f8fbff;border:1px solid #e2ebfa}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case-img{aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#eef4ff;border:1px solid #e1e9f7;margin-bottom:12px}.case-img img{width:100%;height:100%;object-fit:cover}
    .article-list{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article{padding:16px}
    .article .meta{font-size:12px;color:var(--muted);margin-top:10px}
    .brandline{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .kefu-box{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
    .kefu-box img{width:120px;height:120px;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
    .topnav-mobile{display:none}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.grid-2,.flow,.reviews,.articles,.faqgrid,.case-grid,.service-network,.footergrid,.article-list{grid-template-columns:1fr 1fr}
      .stats{grid-template-columns:repeat(2,1fr)}
      .navlinks{display:none}.menu-btn{display:inline-flex}.topnav-mobile{display:none;flex-direction:column;gap:8px;padding:0 0 14px}.topnav-mobile.open{display:flex}
    }
    @media (max-width: 720px){
      .hero{padding-top:18px}.hero-grid,.grid-3,.grid-2,.flow,.reviews,.articles,.faqgrid,.case-grid,.service-network,.footergrid,.article-list{grid-template-columns:1fr}
      .stats,.formgrid{grid-template-columns:1fr}.section-title{flex-direction:column;align-items:flex-start}.hero-main{padding:22px}.kefu-box{grid-template-columns:1fr}.datatable{min-width:760px}
    }