:root{
      --bg:#fffaf6;
      --bg2:#f6fbff;
      --card:#ffffff;
      --text:#1f2a37;
      --muted:#617083;
      --line:#e7e1da;
      --brand:#ff7a59;
      --brand2:#6c7bff;
      --accent:#18b7a0;
      --warm:#ffe9d6;
      --shadow:0 16px 40px rgba(33,50,74,.10);
      --radius:22px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,122,89,.11), transparent 22%),
        radial-gradient(circle at top right, rgba(108,123,255,.10), transparent 24%),
        linear-gradient(180deg, #fffefb 0%, #fff8f2 35%, #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}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(255,250,246,.84);
      border-bottom:1px solid rgba(231,225,218,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      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(0,0,0,.08)}
    .brand h1{font-size:18px;line-height:1.1;margin:0;color:#15202b;white-space:nowrap}
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:4px;white-space:nowrap}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#344357;padding:8px 0;position:relative}
    .nav-links a:after{
      content:"";position:absolute;left:0;bottom:2px;width:100%;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));
      transform:scaleX(0);transform-origin:left;transition:.2s ease;
    }
    .nav-links a:hover:after{transform:scaleX(1)}
    .nav-cta{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:12px 18px;
      font-weight:700;font-size:14px;transition:.22s ease;cursor:pointer;
      box-shadow:0 10px 24px rgba(255,122,89,.16);
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff995f);color:#fff}
    .btn-secondary{background:#fff;color:#243042;border-color:var(--line);box-shadow:none}
    .btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(24,39,75,.12)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{
      padding:44px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.soft-card{
      background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.98));
      border:1px solid rgba(231,225,218,.88);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px; position:relative; overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:999px;filter:blur(2px);
      background:linear-gradient(135deg, rgba(255,122,89,.16), rgba(108,123,255,.16));
    }
    .hero-main:before{width:240px;height:240px;right:-70px;top:-90px}
    .hero-main:after{width:180px;height:180px;right:12%;bottom:-90px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:var(--warm);color:#9c4d19;font-size:13px;font-weight:700;
    }
    .hero h2{font-size:42px;line-height:1.08;margin:18px 0 14px;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini-stat{
      padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .mini-stat strong{display:block;font-size:22px;color:#142033}
    .mini-stat span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{padding:22px}
    .side-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
    .side-title h3,.section-head h3{margin:0;font-size:22px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:9px 12px;border-radius:999px;background:linear-gradient(180deg,#fff,#fff7f0);
      border:1px solid #f0ddd0;color:#5b4d43;font-size:13px;font-weight:600
    }
    .network{
      margin-top:16px;padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff7f0,#f4fbff);
      border:1px solid #ebdfd4
    }
    .network .row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 0;color:#324155;font-size:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    section{padding:18px 0}
    .section-card{padding:26px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:70ch}
    .metric{
      padding:20px;border-radius:20px;background:linear-gradient(135deg,#fff,#fffaf5);border:1px solid var(--line)
    }
    .metric strong{display:block;font-size:28px}
    .metric span{display:block;color:var(--muted);margin-top:8px;line-height:1.6}
    .card{
      padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.2s ease;height:100%
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(31,42,55,.10)}
    .card h4{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.7}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg,rgba(255,122,89,.16),rgba(108,123,255,.14));color:#23344b;font-weight:900
    }
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{
      padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);position:relative
    }
    .step .no{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#142033;color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto}
    table{width:100%;border-collapse:collapse;min-width:780px;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
    th,td{padding:14px 16px;border-bottom:1px solid #f0ece7;text-align:left;vertical-align:top}
    th{background:#fff7f0;color:#364255;font-size:14px}
    td{color:#334155;font-size:14px;line-height:1.7}
    .rating{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:10px 0 18px
    }
    .stars{color:#ffb400;font-size:20px;letter-spacing:2px}
    .accordion details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;margin-bottom:12px
    }
    .accordion summary{cursor:pointer;font-weight:700;color:#223044}
    .accordion p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .review{display:flex;flex-direction:column;gap:12px}
    .review .meta{display:flex;justify-content:space-between;gap:12px;align-items:center;color:var(--muted);font-size:14px}
    .quote{font-size:15px;line-height:1.8;color:#314055}
    .case-list,.article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .article-list{grid-template-columns:repeat(2,minmax(0,1fr))}
    .case{
      padding:20px;border-radius:20px;background:linear-gradient(180deg,#fff,#fffaf5);border:1px solid var(--line)
    }
    .case b{display:block;margin-bottom:8px}
    .case span{color:var(--muted);line-height:1.7;display:block}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-grid .full{grid-column:1/-1}
    label{display:block;font-size:14px;font-weight:700;margin:0 0 8px;color:#233144}
    input,select,textarea{
      width:100%;border:1px solid #dcd4ca;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ffb08e;box-shadow:0 0 0 4px rgba(255,122,89,.10)}
    .footer{
      margin-top:18px;padding:24px 0 30px;border-top:1px solid rgba(231,225,218,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,248,240,.98));
      color:#263445
    }
    .footer a{color:#25354a}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .foot-links{display:flex;flex-wrap:wrap;gap:10px}
    .foot-links a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff}
    .copyright{margin-top:18px;padding-top:14px;border-top:1px solid #eee3d8;color:#637184;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:16px;border:none;background:#fff;box-shadow:0 12px 28px rgba(33,50,74,.14);
      display:grid;place-items:center;color:#223043;font-size:18px;cursor:pointer
    }
    .backtop{display:none}
    .fade-in{opacity:0;transform:translateY(18px);transition:.7s ease}
    .fade-in.show{opacity:1;transform:none}
    .mobile-menu{display:none}
    .qr{
      display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:center
    }
    .qr img{width:110px;height:110px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    .note{color:var(--muted);font-size:13px;line-height:1.7}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.steps,.case-list,.article-list,.footer-grid{grid-template-columns:1fr}
      .hero h2{font-size:34px}
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .mobile-menu{
        display:none;padding:0 0 16px
      }
      .mobile-menu.open{display:block}
      .mobile-menu .panel{
        background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)
      }
      .mobile-menu a{display:block;padding:12px 10px;border-radius:12px;color:#243042}
      .form-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
    }