:root{
      --bg:#f7f4ee;
      --bg2:#fffdf8;
      --card:#ffffff;
      --text:#1f2a37;
      --muted:#5e6877;
      --brand:#2b6ef3;
      --brand2:#ff7a59;
      --line:#e7e1d6;
      --shadow:0 18px 50px rgba(35, 50, 90, .08);
      --radius:22px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(43,110,243,.08), transparent 26%),
        radial-gradient(circle at right 15%, rgba(255,122,89,.08), transparent 22%),
        linear-gradient(180deg, #fffdf8 0%, #f6f1e8 45%, #faf7f1 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:100;
      backdrop-filter:saturate(170%) blur(16px);
      background:rgba(255,253,248,.82);
      border-bottom:1px solid rgba(231,225,214,.85);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      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 .name{font-weight:800;letter-spacing:.5px}
    .brand .sub{font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;justify-content:flex-end}
    .nav-links a,.nav-btn,.ghost-btn,.primary-btn,.mini-btn{
      border-radius:999px;padding:10px 16px;font-weight:700;transition:.22s ease;display:inline-flex;align-items:center;justify-content:center;
    }
    .nav-links a{color:#344054;background:transparent}
    .nav-links a:hover,.nav-links a:focus-visible{background:#f0f4ff;color:#1746c7}
    .nav-btn,.primary-btn{background:linear-gradient(135deg,var(--brand),#4d8cff);color:#fff;box-shadow:0 10px 26px rgba(43,110,243,.22)}
    .nav-btn:hover,.primary-btn:hover,.mini-btn:hover{transform:translateY(-2px)}
    .ghost-btn{background:#fff;border:1px solid var(--line);color:#243042}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px}
    .hero{padding:30px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.panel,.faq-item,.review,.article,.flow-step,.metric,.tag-cloud,.pricing,.contact-card,.compare-table-wrap{
      background:rgba(255,255,255,.82);border:1px solid rgba(231,225,214,.9);box-shadow:var(--shadow);border-radius:var(--radius)
    }
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:999px;filter:blur(0);
      background:linear-gradient(135deg,rgba(43,110,243,.14),rgba(255,122,89,.12));
      pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;right:-80px;top:-70px}
    .hero-main:after{width:140px;height:140px;left:-40px;bottom:-50px}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;background:#f2f6ff;color:#1746c7;border:1px solid #dbe7ff;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,4vw,52px);line-height:1.08;margin:14px 0 14px}
    .lead{color:var(--muted);font-size:16px;line-height:1.85;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .metric{padding:16px;background:linear-gradient(180deg,#fff, #fbfaf7)}
    .metric strong{display:block;font-size:22px;margin-bottom:4px}
    .metric span{color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-badge{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff7ef,#f1f6ff);border:1px solid #ece2d8}
    .side-badge small{color:var(--muted)}
    .side-list{display:grid;gap:10px}
    .side-list div{padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
    .side-list b{font-size:14px}
    .side-list p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.55}
    .section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .section-card{padding:22px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .card{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#fbfaf7);border:1px solid var(--line);transition:.22s ease}
    .card:hover,.review:hover,.article:hover,.flow-step:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(35,50,90,.1)}
    .card h3,.review h3,.article h3,.flow-step h3{margin:0 0 8px;font-size:18px}
    .card p,.review p,.article p,.flow-step p{margin:0;color:var(--muted);line-height:1.72;font-size:14px}
    .chips,.tag-cloud-list{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#304050;font-size:13px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .panel{padding:22px}
    .panel ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:15px 14px;border-bottom:1px solid #efe9de;text-align:left;vertical-align:top}
    th{background:#f7f9ff;color:#223049;font-size:14px}
    td{color:#3d4754;font-size:14px}
    .highlight{color:#0f6b3b;font-weight:800}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .flow-step{padding:18px;background:#fff}
    .flow-step .num{display:inline-flex;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2b6ef3,#7aa9ff);color:#fff;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
    .compare{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .rating{padding:22px;background:linear-gradient(135deg,#fff8ef,#f2f7ff);border:1px solid #eadfd1;border-radius:22px}
    .stars{color:#f5a623;font-size:22px;letter-spacing:2px}
    .review-grid,.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review,.article{padding:18px;background:#fff}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px;color:var(--muted);font-size:13px}
    .faq{display:grid;gap:12px}
    .faq-item summary{cursor:pointer;list-style:none;padding:18px 20px;font-weight:800}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{padding:0 20px 18px;margin:0;color:var(--muted);line-height:1.8}
    .contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:18px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    .field label{font-weight:700;font-size:14px}
    input,select,textarea{
      width:100%;border:1px solid #dcd5c8;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none;
    }
    textarea{min-height:128px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#86a9ff;box-shadow:0 0 0 4px rgba(43,110,243,.08)}
    .footer{
      margin-top:18px;padding:22px 0 28px;border-top:1px solid rgba(231,225,214,.9);background:rgba(255,253,248,.92)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer a{color:#1f4fb8}
    .tiny{color:var(--muted);font-size:13px;line-height:1.75}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:120;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
      display:flex;align-items:center;justify-content:center;font-size:18px
    }
    .side-qrcode{display:grid;grid-template-columns:92px 1fr;gap:12px;align-items:center}
    .badge-row{display:flex;flex-wrap:wrap;gap:8px}
    .mini-btn{background:linear-gradient(135deg,var(--brand2),#ff9b6a);color:#fff}
    .article .date{color:var(--muted);font-size:12px;margin-bottom:8px}
    .marquee{
      overflow:hidden;white-space:nowrap;border-top:1px dashed #e8dfd0;border-bottom:1px dashed #e8dfd0;padding:12px 0;margin:14px 0 0
    }
    .marquee span{display:inline-block;padding-left:100%;animation:run 24s linear infinite;color:#5f6876}
    @keyframes run{to{transform:translateX(-100%)}}
    .reveal{opacity:0;transform:translateY(16px);transition:.7s ease}
    .reveal.in{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.split,.compare,.contact-grid,.footer-grid,.grid-4,.flow,.review-grid,.article-grid{grid-template-columns:1fr}
      .hero-meta{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex;flex-direction:column;align-items:stretch}
      .menu-toggle{display:inline-flex}
      .nav{position:relative}
      .mobile-only{display:block}
      .desktop-only{display:none}
    }