:root{
      --bg:#fffaf3;
      --bg2:#fff4df;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#eadfca;
      --brand:#ff6b4a;
      --brand2:#ffb347;
      --brand3:#4f8cff;
      --brand4:#2bb673;
      --shadow:0 18px 50px rgba(104,79,38,.10);
      --radius:22px;
      --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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,179,71,.18), transparent 28%),
        radial-gradient(circle at top right, rgba(79,140,255,.12), transparent 26%),
        linear-gradient(180deg, #fffdf8 0%, var(--bg) 48%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,250,243,.86);
      border-bottom:1px solid rgba(234,223,202,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:12px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo-wrap{
      width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);
      display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.06);overflow:hidden;
    }
    .brand h1{
      margin:0;font-size:16px;line-height:1.1;letter-spacing:.3px
    }
    .brand p{margin:3px 0 0;color:var(--muted);font-size:12px}
    .nav-links{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-links a,.nav-links button{
      border:1px solid transparent;background:transparent;color:var(--text);
      padding:10px 12px;border-radius:999px;font-size:14px;cursor:pointer;
    }
    .nav-links a:hover,.nav-links button:hover{background:#fff;border-color:var(--line);box-shadow:0 8px 20px rgba(0,0,0,.05)}
    .nav-cta{
      display:flex;align-items:center;gap:10px
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 16px;border-radius:14px;border:1px solid transparent;
      font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand) 0%, var(--brand2) 100%);color:#fff;box-shadow:0 16px 28px rgba(255,107,74,.22)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 20px 34px rgba(255,107,74,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-1px)}
    .mobile-toggle{display:none}
    .hero{
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:18px;align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.feature-card,.review-card,.article-card,.faq-item,.form-card,.compare-card,.metric,.step,.tag-cloud,.timeline,.network-card{
      background:var(--card);border:1px solid rgba(234,223,202,.9);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-main{
      position:relative;overflow:hidden;padding:32px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,247,233,.95)),
        radial-gradient(circle at top right, rgba(255,179,71,.20), transparent 24%),
        radial-gradient(circle at bottom left, rgba(79,140,255,.10), transparent 24%);
    }
    .hero-main::after{
      content:"";position:absolute;inset:auto -30px -40px auto;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,107,74,.18), rgba(255,107,74,.05) 50%, transparent 70%);
      pointer-events:none;
    }
    .badge{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(255,107,74,.08);color:#c94e30;font-weight:700;font-size:13px;border:1px solid rgba(255,107,74,.14)
    }
    .hero h2{
      margin:16px 0 10px;font-size:clamp(30px,4vw,54px);line-height:1.06;letter-spacing:-.6px;
    }
    .hero p.lead{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .hero-points{
      display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:22px
    }
    .mini-stat{
      padding:14px;border-radius:18px;background:#fff;border:1px solid rgba(234,223,202,.95)
    }
    .mini-stat strong{display:block;font-size:18px}
    .mini-stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px;line-height:1.45}
    .hero-side{padding:22px;display:flex;flex-direction:column;gap:14px}
    .side-box{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff, #fffaf0);border:1px solid rgba(234,223,202,.85)}
    .side-box h3{margin:0 0 8px;font-size:18px}
    .side-box p,.side-box li{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .side-list{padding-left:18px;margin:10px 0 0}
    .quick-links{display:flex;flex-wrap:wrap;gap:10px}
    .quick-links a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
    .section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);line-height:1.75;max-width:68ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .metric{padding:18px}
    .metric .num{font-size:28px;font-weight:800;color:#1d3b6b}
    .metric .label{margin-top:6px;font-weight:700}
    .metric .desc{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.7}
    .feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .feature-card{padding:20px}
    .feature-card h3{margin:0 0 10px;font-size:18px}
    .feature-card p,.feature-card li{margin:0;color:var(--muted);line-height:1.8}
    .feature-card ul{margin:10px 0 0;padding-left:18px}
    .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .pill{padding:7px 10px;background:#fff7ef;border:1px solid #f0ddbf;border-radius:999px;font-size:13px;color:#8a4f14}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .section-card{padding:22px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{padding:18px}
    .step .index{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800}
    .step h3{margin:12px 0 8px;font-size:17px}
    .step p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 14px;border-bottom:1px solid #efe4d0;text-align:left;vertical-align:top}
    th{background:#fff6e8;font-size:14px}
    td{color:var(--muted);line-height:1.75}
    .rating{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px
    }
    .stars{color:#ff8a00;font-size:18px;letter-spacing:2px}
    .score{font-weight:800;color:#184c9c}
    .compare-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
    .compare-card{padding:22px}
    .compare-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
    .compare-item{padding:14px;border-radius:16px;background:#fff8ef;border:1px solid #f0ddbf}
    .compare-item strong{display:block;margin-bottom:4px;color:#7a3d0d}
    .compare-item span{color:var(--muted);font-size:14px;line-height:1.7}
    .tags,.timeline{padding:18px}
    .tag-cloud{padding:18px}
    .tag-cloud .tags-list{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:13px}
    .timeline-list{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .timeline-list li{display:grid;grid-template-columns:92px 1fr;gap:12px;align-items:start}
    .timeline-list strong{color:#17407d}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .review-card{padding:20px}
    .review-card .role{color:#c05621;font-weight:700;font-size:13px}
    .review-card p{color:var(--muted);line-height:1.8;margin:10px 0 0}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .article-card{padding:18px}
    .article-card h3{margin:8px 0 8px;font-size:17px}
    .article-card p{margin:0;color:var(--muted);line-height:1.75}
    .article-card a.more{display:inline-block;margin-top:10px;color:#1d5bbf;font-weight:700}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-card{padding:22px}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
    input,select,textarea{
      width:100%;border:1px solid #d9d1c1;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);
      outline:none;transition:border-color .2s, box-shadow .2s;
    }
    input:focus,select:focus,textarea:focus{border-color:#ff9f62;box-shadow:0 0 0 4px rgba(255,159,98,.12)}
    textarea{min-height:124px;resize:vertical}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:12px}
    .help-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border:0;background:#fff;cursor:pointer;
      color:var(--text);font:inherit;font-weight:700;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px;color:var(--muted);line-height:1.8}
    .faq-item.active .faq-a{max-height:200px;padding-bottom:18px}
    .faq-item.active .faq-q{background:#fffaf1}
    .footer{
      margin-top:18px;padding:22px 0 26px;border-top:1px solid rgba(234,223,202,.9);
      background:linear-gradient(180deg, rgba(255,250,243,.8), rgba(255,244,223,.95));
      color:var(--text)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .footer h3{margin:0 0 10px}
    .footer p,.footer a,.footer li{color:var(--muted);line-height:1.85}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .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:1px solid rgba(234,223,202,.9);background:#fff;box-shadow:0 14px 34px rgba(0,0,0,.12);
      display:grid;place-items:center;cursor:pointer;font-size:18px;color:#16325c
    }
    .customer-badge{
      display:flex;align-items:center;gap:12px;padding:14px;border-radius:18px;background:#fff8ef;border:1px solid #f0ddbf
    }
    .customer-badge .qr{width:72px;height:72px;flex:none;border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line)}
    .menu-panel{display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.feature-grid,.steps,.compare-grid,.reviews,.articles,.form-grid,.help-grid,.footer-grid,.split{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-links,.nav-cta{display:none}
      .mobile-toggle{display:inline-flex}
      .menu-panel{
        display:none;padding:0 0 12px
      }
      .menu-panel.open{display:block}
      .menu-panel .menu-inner{
        display:flex;flex-wrap:wrap;gap:10px;padding:10px 0 0
      }
      .menu-panel a,.menu-panel button{
        padding:10px 12px;border-radius:999px;border:1px solid var(--line);background:#fff
      }
      .timeline-list li{grid-template-columns:1fr}
      .compare-list{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .hero-main,.hero-side,.section-card,.feature-card,.review-card,.article-card,.faq-q,.form-card,.compare-card,.metric,.step,.tag-cloud,.timeline,.network-card{border-radius:18px}
      .hero-main{padding:22px}
      .section-head{flex-direction:column;align-items:flex-start}
      .container{width:min(var(--container), calc(100% - 24px))}
      .btn{width:100%}
      .hero-actions{flex-direction:column}
    }