:root{
      --bg:#fff9e6;
      --panel:#ffffff;
      --panel-2:#fffdf5;
      --text:#1f2430;
      --muted:#5b6477;
      --line:#eadfba;
      --brand:#ffcd00;
      --brand-2:#ffb300;
      --brand-3:#fff2a8;
      --accent:#1f4b99;
      --shadow:0 16px 40px rgba(86, 63, 0, .10);
      --radius:22px;
      --radius-sm:16px;
      --container: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(circle at 12% 10%, rgba(255,205,0,.20), transparent 26%),
        radial-gradient(circle at 88% 0%, rgba(31,75,153,.12), transparent 22%),
        linear-gradient(180deg, #fffdf3 0%, #fff9e8 42%, #fffdf8 100%);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(255,250,232,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,223,186,.7)}
    .topbar{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 .logo{width:44px;height:44px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:14px;padding:5px;box-shadow:0 8px 20px rgba(0,0,0,.05)}
    .brand strong{display:block;font-size:1.02rem;line-height:1.1}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-wrap{display:flex;align-items:center;gap:14px}
    .nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:10px 12px;color:var(--text)}
    nav ul{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;align-items:center}
    nav a{display:inline-flex;align-items:center;justify-content:center;padding:9px 12px;border-radius:999px;color:var(--muted);font-size:.95rem}
    nav a:hover,nav a:focus{background:#fff;border-color:var(--line);color:var(--text)}
    .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;transition:.22s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#202020;box-shadow:0 12px 28px rgba(255,183,0,.28)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(255,183,0,.34)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-1px);border-color:#d9c77a}
    main{padding:22px 0 0}
    section{padding:34px 0}
    .hero{padding-top:18px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}
    .hero-card,.glass-card,.panel,.stat,.service,.case,.review,.faq-item,.form-card,.article-card,.compare-card{
      background:linear-gradient(180deg,var(--panel),var(--panel-2));
      border:1px solid rgba(234,223,186,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow)
    }
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero-card:before{width:230px;height:230px;background:radial-gradient(circle, rgba(255,205,0,.22), transparent 62%);right:-58px;top:-58px}
    .hero-card:after{width:180px;height:180px;background:radial-gradient(circle, rgba(31,75,153,.11), transparent 68%);left:-48px;bottom:-46px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#fff4b2;border:1px solid #f0d469;color:#7c5a00;font-size:.86rem;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.7rem);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:1.08rem;color:var(--muted);max-width:58ch;margin:0 0 18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:18px;padding:14px 14px 13px}
    .mini strong{display:block;font-size:1.06rem;margin-bottom:4px}
    .mini span{font-size:.9rem;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .side-card{padding:22px}
    .side-card h2,.section-title h2{margin:0 0 10px;font-size:clamp(1.45rem,2.6vw,2.2rem);line-height:1.16}
    .section-title p{margin:0;color:var(--muted)}
    .stat-grid,.service-grid,.case-grid,.review-grid,.article-grid,.feature-grid,.process-grid,.network-grid,.price-grid,.training-grid,.help-grid,.tag-cloud{display:grid;gap:14px}
    .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .stat{padding:18px}
    .stat .num{font-size:1.8rem;font-weight:800;color:#1d2a4d}
    .stat .label{color:var(--muted);font-size:.92rem}
    .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
    .badge{padding:7px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#46516a;font-size:.85rem}
    .section-title{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
    .panel{padding:22px}
    .feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .service-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .case-grid,.review-grid,.article-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .process-grid,.training-grid,.network-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
    .feature,.service,.case,.review,.article-card,.faq-item,.compare-card,.help-card,.price-card,.timeline-item{padding:18px}
    .feature h3,.service h3,.case h3,.review h3,.article-card h3,.help-card h3{margin:0 0 8px;font-size:1.02rem}
    .feature p,.service p,.case p,.review p,.article-card p,.help-card p,.price-card p,.timeline-item p,.faq-answer{margin:0;color:var(--muted)}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,#fff0a8,#ffd23f);color:#333;font-weight:900;margin-bottom:12px
    }
    .list{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--text)}
    .list li:before{content:"";flex:0 0 10px;height:10px;margin-top:.45em;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
    .workflow{display:grid;gap:10px}
    .flow{display:flex;gap:12px;align-items:flex-start}
    .step{
      width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
      background:#1f4b99;color:#fff;font-weight:800;flex:0 0 auto
    }
    .table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #efe6c8;text-align:left;vertical-align:top}
    th{background:#fff7cd;color:#1e2740}
    tr:last-child td{border-bottom:none}
    .tag-cloud{grid-template-columns:repeat(4,minmax(0,1fr))}
    .tag{
      padding:13px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);
      color:#374257;box-shadow:0 10px 22px rgba(0,0,0,.04)
    }
    .rating{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .stars{color:#f2b600;font-size:1.2rem;letter-spacing:2px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;padding:18px 18px;display:flex;justify-content:space-between;align-items:center;
      background:transparent;border:0;color:var(--text);font-size:1rem;font-weight:700;text-align:left;cursor:pointer
    }
    .faq-q span{color:var(--accent)}
    .faq-a{display:none;padding:0 18px 18px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{border-bottom:1px solid #efe6c8}
    .chev{transition:.2s ease}
    .faq-item.open .chev{transform:rotate(180deg)}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:8px}
    label{font-weight:700;font-size:.95rem}
    input,select,textarea{
      width:100%;border:1px solid #decf9f;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#d9ae00;box-shadow:0 0 0 4px rgba(255,205,0,.18)}
    textarea{min-height:124px;resize:vertical}
    .span-2{grid-column:span 2}
    .submit-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px;align-items:center}
    .footer{
      padding:24px 0 32px;border-top:1px solid rgba(234,223,186,.85);background:rgba(255,252,240,.92);
      color:#273044
    }
    .footer a{color:#223a72}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:18px;align-items:start}
    .footer small,.footer p{color:#4f5870}
    .copyright{margin-top:16px;padding-top:14px;border-top:1px solid #eadfba;color:#65708a;font-size:.9rem}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);
      background:#fff;color:#20304d;box-shadow:0 12px 26px rgba(0,0,0,.12);cursor:pointer
    }
    .floating a:hover,.floating button:hover{transform:translateY(-2px)}
    .wechat-box{
      display:grid;gap:12px;justify-items:center;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px
    }
    .wechat-box img{width:140px;height:140px;object-fit:cover;border-radius:14px;border:1px solid #e7dcae}
    .timeline{display:grid;gap:12px}
    .timeline-item{position:relative;padding-left:18px}
    .timeline-item:before{content:"";position:absolute;left:0;top:24px;width:10px;height:10px;border-radius:50%;background:var(--brand-2)}
    .timeline-item:not(:last-child):after{content:"";position:absolute;left:4px;top:34px;bottom:-10px;width:2px;background:#eedf9b}
    .compare-card .rating{margin-bottom:10px}
    .hidden-anchor{scroll-margin-top:92px}
    .marquee{
      display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px
    }
    .marquee .panel{padding:16px}
    .muted-note{font-size:.9rem;color:var(--muted)}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.footer-grid{grid-template-columns:1fr}
      .stat-grid,.service-grid,.case-grid,.review-grid,.article-grid,.feature-grid,.process-grid,.training-grid,.network-grid,.tag-cloud,.marquee{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width: 760px){
      .container{width:min(100% - 22px, var(--container))}
      .nav-toggle{display:inline-grid}
      nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:10px}
      nav.open{display:block}
      nav ul{flex-direction:column;align-items:stretch}
      nav a{justify-content:flex-start;padding:11px 12px}
      .topbar{position:relative}
      .hero-card{padding:22px}
      .hero-points,.stat-grid,.service-grid,.case-grid,.review-grid,.article-grid,.feature-grid,.process-grid,.training-grid,.network-grid,.tag-cloud,.marquee,.form-grid{grid-template-columns:1fr}
      .span-2{grid-column:span 1}
      .section-title{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      table{min-width:680px}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}