:root{
      --bg:#f7f3ea;
      --bg2:#f2f6fb;
      --card:#fffaf3;
      --card2:#ffffff;
      --text:#20303f;
      --muted:#5f6d79;
      --line:#e7ddcf;
      --brand:#2f6fbb;
      --brand2:#7c4dff;
      --accent:#ff8a5b;
      --good:#1b8a5a;
      --shadow:0 14px 40px rgba(53, 79, 109, .10);
      --radius:22px;
      --radius-sm:16px;
      --max: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;
      color:var(--text);
      background:
        radial-gradient(1200px 400px at 10% 0%, rgba(47,111,187,.10), transparent 55%),
        radial-gradient(900px 360px at 92% 8%, rgba(255,138,91,.12), transparent 50%),
        linear-gradient(180deg, #f9f5ee 0%, #f6f7fb 42%, #f8fbff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header,main,footer{position:relative}
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(247,243,234,.84);
      border-bottom:1px solid rgba(231,221,207,.8);
    }
    .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 .logo{
      width:44px; height:44px; object-fit:contain; border-radius:12px; background:#fff; padding:6px; box-shadow:var(--shadow)
    }
    .brand strong{display:block; font-size:1.02rem}
    .brand span{display:block; font-size:.82rem; color:var(--muted)}
    .menu{display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:flex-end}
    .menu a{
      font-size:.92rem; color:var(--text); padding:9px 10px; border-radius:999px;
      transition:.2s ease; white-space:nowrap
    }
    .menu a:hover{background:rgba(47,111,187,.10); color:var(--brand)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:1px solid transparent; border-radius:999px; padding:11px 16px;
      font-weight:700; cursor:pointer; transition:.22s ease; line-height:1
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 12px 30px rgba(47,111,187,.22)}
    .btn-primary:hover{transform:translateY(-2px); box-shadow:0 16px 35px rgba(47,111,187,.28)}
    .btn-soft{background:#fff; color:var(--text); border-color:var(--line)}
    .btn-soft:hover{transform:translateY(-2px); border-color:#c7d7ea}
    .toggle{display:none; background:#fff; border:1px solid var(--line); border-radius:12px; width:44px; height:44px; align-items:center; justify-content:center}
    .toggle span,.toggle span:before,.toggle span:after{content:""; display:block; width:18px; height:2px; background:var(--text); border-radius:999px; position:relative}
    .toggle span:before{position:absolute; top:-6px}
    .toggle span:after{position:absolute; top:6px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid; grid-template-columns:1.35fr .95fr; gap:20px; align-items:stretch}
    .hero-copy,.panel,.section-card,.quote-card,.faq-item,.form-card,.review,.article,.info-card,.timeline-item,.compare,.price-card{
      background:rgba(255,250,243,.9); border:1px solid rgba(231,221,207,.9); border-radius:var(--radius); box-shadow:var(--shadow)
    }
    .hero-copy{padding:30px}
    .eyebrow{display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px; background:rgba(47,111,187,.10); color:var(--brand); font-weight:700; font-size:.88rem}
    h1{margin:16px 0 14px; font-size:clamp(2rem, 4vw, 3.5rem); line-height:1.08; letter-spacing:-.02em}
    .lead{margin:0; color:var(--muted); font-size:1.03rem; line-height:1.8}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin:22px 0 18px}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:18px}
    .mini-stat{padding:14px; border-radius:18px; background:linear-gradient(180deg,#ffffff, #fbfbff); border:1px solid var(--line)}
    .mini-stat b{display:block; font-size:1.2rem}
    .mini-stat span{display:block; color:var(--muted); font-size:.86rem; margin-top:5px}
    .hero-side{display:grid; gap:14px}
    .glow-box{padding:22px; border-radius:var(--radius); background:linear-gradient(135deg, rgba(47,111,187,.12), rgba(255,138,91,.12)); border:1px solid rgba(47,111,187,.15)}
    .glow-box h2,.section-head h2{margin:0 0 10px; font-size:1.45rem}
    .glow-box p{margin:0; color:var(--muted); line-height:1.75}
    .home-link{display:inline-flex; margin-top:14px; font-weight:700; color:var(--brand)}
    .panel{padding:20px}
    .panel h3{margin:0 0 14px; font-size:1.05rem}
    .tags{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:9px 12px; background:#fff; border:1px solid var(--line); border-radius:999px; color:#334;}
    .section{padding:18px 0}
    .section-head{display:flex; align-items:end; justify-content:space-between; gap:14px; margin-bottom:16px}
    .section-head p{margin:0; color:var(--muted); max-width:72ch; line-height:1.7}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .card{padding:22px}
    .card h3{margin:0 0 10px; font-size:1.08rem}
    .card p,.card li{color:var(--muted); line-height:1.75}
    .icon{
      width:42px; height:42px; display:grid; place-items:center; border-radius:14px;
      background:linear-gradient(135deg, rgba(47,111,187,.13), rgba(124,77,255,.11)); color:var(--brand); font-weight:800; margin-bottom:14px
    }
    .list{margin:0; padding:0; list-style:none; display:grid; gap:10px}
    .list li{display:flex; gap:10px; align-items:flex-start}
    .list li:before{content:""; width:9px; height:9px; margin-top:8px; border-radius:50%; background:linear-gradient(135deg,var(--brand),var(--accent)); flex:0 0 auto}
    .flow{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{padding:20px; position:relative}
    .step b{display:inline-flex; width:34px; height:34px; border-radius:999px; align-items:center; justify-content:center; background:rgba(47,111,187,.1); color:var(--brand); margin-bottom:10px}
    .table-wrap{overflow:auto; border-radius:var(--radius); 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 #eee; text-align:left; vertical-align:top}
    th{background:#fbfaf7; color:#344; font-size:.95rem}
    td{color:var(--muted)}
    .badge{display:inline-flex; align-items:center; padding:6px 10px; border-radius:999px; background:rgba(27,138,90,.10); color:var(--good); font-weight:700; font-size:.86rem}
    .rating{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
    .stars{color:#f3a800; letter-spacing:2px; font-size:1.1rem}
    .compare .card{background:linear-gradient(180deg,#fff,#fffaf3)}
    .timeline{display:grid; gap:12px}
    .timeline-item{padding:18px 20px; display:flex; gap:14px; align-items:flex-start}
    .timeline-item .dot{width:12px; height:12px; border-radius:50%; margin-top:7px; background:linear-gradient(135deg,var(--brand),var(--accent)); box-shadow:0 0 0 6px rgba(47,111,187,.08)}
    .reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .review{padding:20px}
    .review .meta{display:flex; justify-content:space-between; gap:10px; margin-bottom:10px; color:var(--muted); font-size:.9rem}
    .articles{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .article{padding:20px}
    .article .label{display:inline-flex; margin-bottom:10px; color:var(--brand); font-weight:700; font-size:.88rem}
    .article a{display:inline-flex; margin-top:12px; color:var(--brand); font-weight:700}
    .form-card{padding:22px}
    form{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .full{grid-column:1 / -1}
    label{display:block; font-size:.92rem; margin:0 0 8px; color:#334; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid var(--line); background:#fff; color:var(--text); border-radius:14px;
      padding:13px 14px; font:inherit; outline:none; transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#b7cff1; box-shadow:0 0 0 4px rgba(47,111,187,.10)}
    textarea{min-height:120px; resize:vertical}
    .submit-row{display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between}
    .footer{
      margin-top:18px; padding:28px 0 24px;
      background:#eef3f8; border-top:1px solid #dfe7f0; color:#253443
    }
    .footer a{color:#234e85}
    .footer-grid{display:grid; grid-template-columns:1.1fr 1fr 1fr; gap:16px}
    .footer small{color:#5b6b77; line-height:1.7}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px
    }
    .float-btn{
      width:52px; height:52px; border-radius:16px; display:grid; place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 14px 28px rgba(47,111,187,.26)
    }
    .float-btn.secondary{background:#fff; color:var(--brand); border:1px solid var(--line)}
    .sidebar-card{padding:18px}
    .qrcode{width:100%; max-width:170px; border-radius:16px; overflow:hidden; border:1px solid var(--line); background:#fff; padding:10px}
    .faq{display:grid; gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%; background:transparent; border:0; padding:18px 20px; text-align:left;
      font:inherit; font-weight:800; color:var(--text); display:flex; align-items:center; justify-content:space-between; gap:12px; cursor:pointer
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease; padding:0 20px}
    .faq-item.open .faq-a{max-height:220px; padding-bottom:18px}
    .faq-a p{margin:0; color:var(--muted); line-height:1.75}
    .nav-grid{
      display:grid; grid-template-columns:repeat(4,1fr); gap:10px
    }
    .nav-grid a{padding:12px 14px; background:#fff; border:1px solid var(--line); border-radius:14px; text-align:center; font-weight:700}
    .price-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .price-card{padding:20px}
    .price-card .num{font-size:2rem; font-weight:900; color:var(--brand); margin:8px 0}
    .hero-bullets{display:grid; gap:8px; margin:0; padding:0; list-style:none}
    .hero-bullets li{display:flex; gap:10px; color:var(--muted)}
    .hero-bullets li i{width:8px; height:8px; border-radius:50%; margin-top:8px; background:linear-gradient(135deg,var(--accent),var(--brand))}
    .scroll-reveal{opacity:0; transform:translateY(14px); transition:.55s ease}
    .scroll-reveal.visible{opacity:1; transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.flow,.reviews,.articles,.footer-grid,.price-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-grid{grid-template-columns:repeat(2,1fr)}
      .menu{display:none}
      .toggle{display:inline-flex}
      .menu.open{
        display:flex; position:absolute; left:16px; right:16px; top:70px; padding:14px;
        background:rgba(255,250,243,.98); border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow)
      }
      form{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero{padding-top:18px}
      .hero-copy,.card,.panel,.form-card,.review,.article,.sidebar-card,.price-card,.timeline-item,.step,.glow-box{padding:18px}
      h1{font-size:2rem}
      .nav{padding:12px 0}
      .brand strong{font-size:.96rem}
      .brand span{display:none}
      .floating{right:12px; bottom:12px}
    }