:root{
      --bg:#f7f4ee;
      --surface:#ffffff;
      --surface-2:#fff8f1;
      --ink:#1f2937;
      --muted:#5b6472;
      --line:#e7dfd2;
      --primary:#1f6feb;
      --primary-2:#ff7a59;
      --accent:#7c4dff;
      --success:#1b9a59;
      --shadow:0 14px 40px rgba(31,41,55,.08);
      --radius:22px;
      --radius-sm:16px;
      --container: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(--ink);
      background:
        radial-gradient(circle at top left, rgba(255,122,89,.10), transparent 26%),
        radial-gradient(circle at top right, rgba(31,111,235,.10), transparent 24%),
        linear-gradient(180deg,#fffdf9 0%, #f7f4ee 42%, #f5f1ea 100%);
      line-height:1.7;
    }
    a{color:var(--primary);text-decoration:none}
    a:hover{opacity:.92}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky; top:0; z-index:30;
      backdrop-filter:saturate(160%) blur(10px);
      background:rgba(255,253,249,.82);
      border-bottom:1px solid rgba(231,223,210,.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 .text{display:flex; flex-direction:column; min-width:0}
    .brand strong{font-size:1.02rem; letter-spacing:.4px}
    .brand span{font-size:.82rem; color:var(--muted)}
    .brand img{width:42px; height:42px; object-fit:contain; border-radius:12px; background:#fff; padding:5px; border:1px solid var(--line)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .menu-btn{
      display:none; border:1px solid var(--line); background:#fff; color:var(--ink);
      border-radius:14px; padding:10px 12px; font-size:.95rem;
    }
    .nav-links{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end;
      font-size:.95rem;
    }
    .nav-links a{color:var(--ink); padding:6px 2px}
    .hero{
      padding:34px 0 20px;
    }
    .hero-wrap{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(231,223,210,.9);
      border-radius:30px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,247,241,.9)),
        radial-gradient(circle at 20% 20%, rgba(31,111,235,.08), transparent 28%),
        radial-gradient(circle at 80% 30%, rgba(255,122,89,.12), transparent 22%);
      box-shadow:var(--shadow);
      padding:34px;
    }
    .hero-wrap:before,.hero-wrap:after{
      content:""; position:absolute; border-radius:999px; pointer-events:none;
      background:linear-gradient(135deg, rgba(124,77,255,.14), rgba(31,111,235,.10));
      filter:blur(2px);
    }
    .hero-wrap:before{width:180px;height:180px; right:-40px; top:-40px}
    .hero-wrap:after{width:120px;height:120px; left:14px; bottom:-34px}
    .hero-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:28px; align-items:center; position:relative; z-index:1}
    h1{margin:0 0 14px; font-size:clamp(2rem, 5vw, 3.6rem); line-height:1.1}
    .lead{font-size:1.05rem; color:var(--muted); max-width:64ch; margin:0 0 22px}
    .cta-row{display:flex; flex-wrap:wrap; gap:12px; margin:22px 0 18px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border-radius:999px; padding:12px 18px; border:1px solid transparent;
      font-weight:700; transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor:pointer;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:0 10px 22px rgba(31,41,55,.08)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#4b8cff); color:#fff}
    .btn-secondary{background:#fff; color:var(--ink); border-color:var(--line)}
    .hero-points{
      display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:18px;
    }
    .point{
      background:rgba(255,255,255,.82); border:1px solid var(--line);
      border-radius:18px; padding:14px; box-shadow:0 8px 20px rgba(31,41,55,.04);
    }
    .point strong{display:block; font-size:1.05rem; margin-bottom:4px}
    .point span{color:var(--muted); font-size:.92rem}
    .hero-side{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,250,245,.92));
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      box-shadow:0 12px 24px rgba(31,41,55,.06);
    }
    .hero-side h3{margin:0 0 10px; font-size:1.08rem}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{
      padding:8px 12px; border-radius:999px; background:var(--surface-2);
      border:1px dashed rgba(124,77,255,.25); color:#3f4a5a; font-size:.9rem;
    }
    section{padding:22px 0}
    .section-title{
      display:flex; justify-content:space-between; align-items:end; gap:16px; margin-bottom:16px;
    }
    .section-title h2{margin:0; font-size:clamp(1.45rem, 3vw, 2.1rem)}
    .section-title p{margin:0; color:var(--muted); max-width:58ch}
    .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{
      background:rgba(255,255,255,.95); border:1px solid var(--line); border-radius:var(--radius);
      padding:20px; box-shadow:0 10px 24px rgba(31,41,55,.05);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:0 16px 34px rgba(31,41,55,.08)}
    .metric{font-size:2rem; font-weight:800; line-height:1.1; margin-bottom:8px; color:#10233f}
    .card h3,.card h4{margin:0 0 10px}
    .card p{margin:0; color:var(--muted)}
    .bullets{margin:12px 0 0; padding:0 0 0 18px; color:var(--muted)}
    .bullets li{margin:7px 0}
    .section-soft{
      background:linear-gradient(180deg, rgba(255,255,255,.58), rgba(255,248,241,.72));
      border-top:1px solid rgba(231,223,210,.75); border-bottom:1px solid rgba(231,223,210,.75);
    }
    .timeline{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{
      position:relative; padding:18px; border-radius:20px; background:#fff;
      border:1px solid var(--line);
    }
    .step .no{display:inline-flex; width:34px; height:34px; border-radius:12px; align-items:center; justify-content:center; background:linear-gradient(135deg,#ffe5da,#eef3ff); color:#24324a; font-weight:800; margin-bottom:10px}
    table{width:100%; border-collapse:separate; border-spacing:0; overflow:hidden}
    .table-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:22px; background:#fff; box-shadow:var(--shadow)}
    th,td{padding:14px 16px; text-align:left; border-bottom:1px solid #eee6d8; vertical-align:top}
    th{background:#fff7ef; font-size:.95rem}
    tr:last-child td{border-bottom:none}
    .badge{display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border-radius:999px; background:#eef6ff; color:#2456a6; font-size:.88rem; font-weight:700}
    .rating{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
    .stars{color:#ff9d1c; letter-spacing:2px; font-size:1.05rem}
    .split{
      display:grid; grid-template-columns:1fr 1fr; gap:16px; align-items:start;
    }
    .form{
      display:grid; gap:12px;
    }
    .field{display:grid; gap:8px}
    label{font-weight:700; font-size:.95rem}
    input,select,textarea{
      width:100%; border:1px solid var(--line); border-radius:14px; padding:13px 14px; font:inherit; color:var(--ink); background:#fff;
      outline:none; transition:border-color .2s ease, box-shadow .2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(31,111,235,.55); box-shadow:0 0 0 4px rgba(31,111,235,.08)}
    textarea{min-height:120px; resize:vertical}
    .submit{
      border:none; background:linear-gradient(135deg,var(--primary),var(--accent)); color:#fff; font-weight:800;
      border-radius:16px; padding:14px 18px; cursor:pointer;
    }
    details{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:0 16px; box-shadow:0 8px 18px rgba(31,41,55,.04)
    }
    details+details{margin-top:12px}
    summary{cursor:pointer; list-style:none; font-weight:700; padding:16px 0}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px; color:var(--muted)}
    .reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .review{background:linear-gradient(180deg,#fff, #fff9f3); border:1px solid var(--line); border-radius:22px; padding:18px}
    .review .role{font-size:.9rem; color:var(--primary); font-weight:700; margin-bottom:10px}
    .review .name{font-weight:800; margin-top:12px}
    .article-list{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    .article{
      padding:18px; background:#fff; border:1px solid var(--line); border-radius:18px;
      display:flex; flex-direction:column; gap:10px;
    }
    .article .meta{color:var(--muted); font-size:.92rem}
    .footer{
      margin-top:12px;
      border-top:1px solid rgba(231,223,210,.85);
      background:#f8f4ed;
      color:var(--ink);
      padding:24px 0 30px;
    }
    .footer a{color:#203d72}
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px}
    .footer small{color:var(--muted)}
    .contact-line{display:grid; gap:8px; margin-top:10px}
    .float-actions{
      position:fixed; right:18px; bottom:18px; z-index:50; display:grid; gap:10px;
    }
    .float-actions a,.backtop{
      width:48px; height:48px; border-radius:50%; display:grid; place-items:center; border:none;
      box-shadow:0 12px 22px rgba(31,41,55,.16); background:#fff; color:var(--ink); font-weight:800; cursor:pointer;
    }
    .fade-up{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease}
    .fade-up.in{opacity:1; transform:translateY(0)}
    .mobile-only{display:none}
    .help-links{display:flex; flex-wrap:wrap; gap:10px}
    .mini-link{
      display:inline-flex; padding:9px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:var(--ink)
    }
    .service-net{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
    .network-item{padding:16px; background:#fff; border:1px solid var(--line); border-radius:18px}
    @media (max-width: 980px){
      .hero-grid,.split,.footer-grid,.grid-3,.grid-2,.reviews,.article-list,.service-net,.timeline{grid-template-columns:1fr 1fr}
      .timeline{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .nav-links{
        display:flex; position:absolute; left:16px; right:16px; top:66px; background:#fff; padding:14px; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow);
        flex-direction:column; align-items:flex-start;
      }
      .hero-wrap{padding:22px}
      .hero-grid,.split,.footer-grid,.grid-3,.grid-2,.reviews,.article-list,.service-net,.timeline{grid-template-columns:1fr}
      .section-title{flex-direction:column; align-items:flex-start}
      .mobile-only{display:block}
    }