:root{
      --bg:#f5f7fb;--panel:#ffffff;--panel2:#fef3f1;--ink:#142033;--muted:#5e6a7d;
      --line:#dfe5ef;--brand:#ff4d6d;--brand2:#2563eb;--accent:#ffb703;--shadow:0 18px 50px rgba(20,32,51,.08);
      --radius:20px;--container:1180px;
    }
    *{box-sizing:border-box} html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(255,77,109,.08), transparent 25%),
      radial-gradient(circle at top right, rgba(37,99,235,.08), transparent 22%),
      linear-gradient(180deg,#fbfcfe 0%, #f5f7fb 42%, #f7f8fc 100%);
      color:var(--ink);line-height:1.65}
    a{color:var(--brand2);text-decoration:none} a:hover{color:var(--brand)}
    .container{max-width:var(--container);margin:0 auto;padding:0 18px}
    header{position:sticky;top:0;z-index:50;background:rgba(251,252,254,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(223,229,239,.75)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:74px}
    .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 8px 20px rgba(20,32,51,.08)}
    .brand strong{font-size:18px;color:var(--ink)}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .navlinks{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .navlinks a{font-size:14px;color:var(--ink);padding:8px 10px;border-radius:999px}
    .navlinks a:hover{background:rgba(255,77,109,.08)}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:14px;padding:12px 16px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7b54);color:#fff;box-shadow:0 12px 26px rgba(255,77,109,.25)}
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.06)}
    .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-ghost:hover{border-color:var(--brand2);color:var(--brand2);transform:translateY(-1px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    main{display:block}
    section{padding:56px 0}
    .hero{padding:42px 0 30px}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-card,.card,.panel{background:rgba(255,255,255,.9);border:1px solid rgba(223,229,239,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .hero-copy:before,.hero-copy:after{content:"";position:absolute;border-radius:999px;pointer-events:none}
    .hero-copy:before{right:-40px;top:-40px;width:180px;height:180px;background:radial-gradient(circle, rgba(255,77,109,.15), transparent 68%)}
    .hero-copy:after{left:45%;bottom:-60px;width:220px;height:220px;background:radial-gradient(circle, rgba(37,99,235,.12), transparent 68%)}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(37,99,235,.08);color:var(--brand2);font-weight:700;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .meta-item{padding:14px;border-radius:16px;background:linear-gradient(180deg,#fff, #f9fbff);border:1px solid var(--line)}
    .meta-item strong{display:block;font-size:20px;color:var(--ink)}
    .meta-item span{color:var(--muted);font-size:13px}
    .hero-card{padding:24px;background:
      linear-gradient(135deg, rgba(255,77,109,.08), rgba(37,99,235,.08)),
      rgba(255,255,255,.92)}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink)}
    .hero-card h2{margin:0 0 12px;font-size:22px}
    .hero-card p{margin:0 0 16px;color:var(--muted)}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mini{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}
    .mini strong{display:block;margin-bottom:4px}
    .mini span{font-size:13px;color:var(--muted)}
    .section-title{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:20px}
    .section-title h2{margin:0;font-size:clamp(24px,3vw,34px)}
    .section-title p{margin:0;color:var(--muted);max-width:60ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:22px;transition:transform .22s ease, box-shadow .22s ease;border-top:3px solid transparent}
    .card:hover{transform:translateY(-4px);box-shadow:0 22px 52px rgba(20,32,51,.12)}
    .card h3,.card h4{margin:0 0 10px}
    .card p,.card li{color:var(--muted)}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(255,77,109,.12));color:var(--brand)}
    .stat{display:flex;flex-direction:column;gap:8px}
    .stat strong{font-size:28px}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .timeline{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:start;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;padding:18px}
    .step-num{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;display:grid;place-items:center;font-weight:800}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    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:#f8faff;color:var(--ink)}
    .rating{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
    .rating .card{background:linear-gradient(180deg,#fff, #fff6f2)}
    .stars{color:#f59e0b;font-size:20px;letter-spacing:2px}
    .compare-list{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .form .full{grid-column:1/-1}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--ink);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--brand2);box-shadow:0 0 0 4px rgba(37,99,235,.08)}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    .faq-q{width:100%;text-align:left;background:#fff;border:0;padding:16px 18px;font:inherit;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;gap:16px;cursor:pointer}
    .faq-a{padding:0 18px 16px;color:var(--muted);display:none}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{background:#f8faff}
    .review{display:flex;flex-direction:column;gap:12px}
    .review-top{display:flex;justify-content:space-between;gap:12px;align-items:center}
    .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:800}
    .article-list,.link-list{display:grid;gap:12px}
    .article-list a,.link-list a{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--ink)}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    footer{padding:24px 0 34px;border-top:1px solid var(--line);background:#f8faff;color:var(--ink)}
    footer a{color:var(--brand2)}
    .float-box{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-box a,.float-box button{box-shadow:0 12px 24px rgba(20,32,51,.14)}
    .backtop{display:none}
    .floating-rail{position:fixed;left:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .slide-in{opacity:0;transform:translateY(18px);transition:.6s ease}
    .slide-in.show{opacity:1;transform:translateY(0)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink)}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .service-grid .card:nth-child(odd){border-top-color:var(--brand)} .service-grid .card:nth-child(even){border-top-color:var(--brand2)}
    .contact-card{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .qrcode{display:flex;align-items:center;gap:14px}
    .qrcode img{width:124px;height:124px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.grid-2,.footer-top,.service-grid,.compare-list,.contact-card,.rating,.grid-2,.hero-meta{grid-template-columns:1fr}
      .section-title{align-items:start;flex-direction:column}
      .navlinks{display:none;position:absolute;left:18px;right:18px;top:74px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .navlinks.open{display:flex;flex-direction:column;align-items:flex-start}
      .menu-toggle{display:inline-flex}
      .nav{position:relative}
      .mobile-only{display:inline-flex}
      .desk-only{display:none}
      .hero-copy{padding:24px}
      .hero-actions{gap:10px}
    }
    @media (max-width: 640px){
      section{padding:42px 0}
      .hero{padding-top:28px}
      .form{grid-template-columns:1fr}
      .qrcode{flex-direction:column;align-items:flex-start}
      .hero-meta{grid-template-columns:1fr}
      .btn{width:100%}
      .nav-cta{width:100%}
      .nav-cta .btn{flex:1}
    }