:root{
      --bg:#fffaf0;
      --bg-2:#fff3c7;
      --card:#ffffff;
      --card-2:#fff9e8;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#f0df9e;
      --brand:#ffb100;
      --brand-2:#ffcf33;
      --accent:#ff7a00;
      --shadow:0 14px 40px rgba(98, 65, 0, .10);
      --shadow-2:0 10px 24px rgba(98, 65, 0, .08);
      --radius:20px;
      --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, 198, 0, .24), transparent 30%),
        radial-gradient(circle at top right, rgba(255, 125, 0, .12), transparent 24%),
        linear-gradient(180deg, #fffef8 0%, var(--bg) 46%, #fffdf7 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .skip{position:absolute;left:-9999px;top:auto}
    .skip:focus{left:12px;top:12px;z-index:1000;background:#fff;padding:10px 14px;border-radius:12px;box-shadow:var(--shadow)}
    .topbar{
      position:sticky;top:0;z-index:60;
      backdrop-filter: blur(14px);
      background:rgba(255,250,240,.86);
      border-bottom:1px solid rgba(240,223,158,.85);
    }
    .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 .ai-page-logo{width:42px;flex:0 0 auto}
    .brand strong{display:block;font-size:18px;letter-spacing:.2px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .navlinks{
      display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end;
      font-size:14px;
    }
    .navlinks a{color:#3b4450;padding:8px 10px;border-radius:999px;transition:.22s ease}
    .navlinks a:hover,.navlinks a.active{background:rgba(255,177,0,.14);color:#151b25}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;cursor:pointer;border-radius:999px;padding:12px 18px;
      font-weight:700;transition:.22s ease;box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand) 0%, #ffd84f 48%, #ffbf1f 100%);color:#1f1400;box-shadow:0 12px 24px rgba(255,177,0,.26)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,177,0,.30)}
    .btn-ghost{background:#fff;border:1px solid rgba(255,177,0,.35);color:#5b3a00}
    .btn-ghost:hover{transform:translateY(-2px);background:#fff9dc}
    .menu-btn{display:none;background:#fff;border:1px solid rgba(255,177,0,.35);border-radius:14px;padding:10px 12px}
    .hero{
      padding:34px 0 22px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;
    }
    .hero-copy,.hero-panel,.section-card,.case-card,.review-card,.faq-item,.form-card,.info-card,.timeline-item,.price-card,.article-card,.service-card,.compare-card{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(240,223,158,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow-2);
    }
    .hero-copy{padding:32px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:rgba(255,177,0,.15);color:#865500;font-size:13px;font-weight:700;
    }
    h1{margin:14px 0 12px;font-size:clamp(30px,4vw,54px);line-height:1.1;letter-spacing:-.02em}
    .lead{font-size:17px;color:#43505f;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini-stat{
      background:linear-gradient(180deg,#fffefb,#fff6dc);
      border:1px solid rgba(240,223,158,.95);
      border-radius:18px;padding:14px;
    }
    .mini-stat b{display:block;font-size:20px}
    .mini-stat span{color:var(--muted);font-size:13px}
    .hero-panel{
      padding:22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,248,220,.9)),
        linear-gradient(135deg, rgba(255,177,0,.16), rgba(255,255,255,.3));
      position:relative;
    }
    .hero-panel::before{
      content:"";
      position:absolute;inset:18px 18px auto auto;width:120px;height:120px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,177,0,.28), rgba(255,177,0,0) 68%);
      pointer-events:none;
    }
    .panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
    .panel-badge{font-size:13px;color:#8a5a00;background:#fff0bf;padding:7px 10px;border-radius:999px;font-weight:700}
    .panel-list{display:grid;gap:10px}
    .panel-item{
      padding:14px 14px;border-radius:16px;background:#fff;border:1px solid rgba(240,223,158,.9)
    }
    .panel-item strong{display:block;margin-bottom:4px}
    .panel-item span{font-size:13px;color:var(--muted)}
    .section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:clamp(22px,2.6vw,34px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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-pad{padding:20px}
    .service-card h3,.section-card h3,.price-card h3,.article-card h3,.review-card h3,.compare-card h3{margin:0 0 10px;font-size:18px}
    .muted{color:var(--muted)}
    .stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{
      padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff8df);
      border:1px solid rgba(240,223,158,.95)
    }
    .stat b{display:block;font-size:26px;line-height:1;color:#1f2a37}
    .stat span{display:block;margin-top:6px;color:var(--muted);font-size:13px}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid rgba(240,223,158,.9);
      font-size:13px;color:#4b5563
    }
    .step-list,.timeline{display:grid;gap:12px}
    .step{
      display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:18px;background:#fff;border:1px solid rgba(240,223,158,.9)
    }
    .step-num{
      width:34px;height:34px;border-radius:12px;flex:0 0 auto;
      background:linear-gradient(135deg,var(--brand),#ffe57f);display:grid;place-items:center;font-weight:800;color:#3c2500
    }
    .compare-wrap{overflow-x:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid rgba(240,223,158,.95);text-align:left;vertical-align:top}
    th{background:#fff7d9;color:#3b2a00;font-size:14px}
    td{background:#fff}
    .tagline{display:inline-block;font-size:12px;background:#fff0bf;color:#8b5b00;padding:6px 10px;border-radius:999px;font-weight:700}
    details.faq-item{padding:0;overflow:hidden}
    details summary{
      list-style:none;cursor:pointer;padding:18px 18px;font-weight:700;display:flex;justify-content:space-between;gap:12px;align-items:center
    }
    details summary::-webkit-details-marker{display:none}
    details .faq-content{padding:0 18px 18px;color:var(--muted)}
    .faq-item[open]{box-shadow:var(--shadow)}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#ffb100;letter-spacing:1px}
    .form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px
    }
    .field{display:grid;gap:7px}
    label{font-size:14px;font-weight:700;color:#304050}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid rgba(240,223,158,.95);background:#fff;color:var(--text);
      outline:none;transition:.2s ease;font:inherit
    }
    textarea{min-height:128px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ffb100;box-shadow:0 0 0 4px rgba(255,177,0,.14)}
    .span-2{grid-column:span 2}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px}
    .footer{
      margin-top:18px;padding:20px 0 26px;background:#fff7de;border-top:1px solid rgba(240,223,158,.9)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer a{color:#5a3d00}
    .footer small,.footer p{color:#5b6472}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#ffd84f);color:#281700;
      box-shadow:0 14px 28px rgba(255,177,0,.26);border:1px solid rgba(255,255,255,.65)
    }
    .float-btn:hover{transform:translateY(-2px)}
    .reveal{opacity:0;transform:translateY(14px);transition:.7s ease}
    .reveal.in{opacity:1;transform:none}
    .hero-wave{
      position:absolute;inset:auto 0 0 0;height:22px;background:linear-gradient(90deg, rgba(255,177,0,0), rgba(255,177,0,.18), rgba(255,177,0,0));
      filter:blur(12px);pointer-events:none
    }
    .gallery{
      display:grid;grid-template-columns:1.1fr .9fr;gap:16px
    }
    .visual-card{overflow:hidden}
    .visual-card .img-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .visual-card .img-row img,.article-card img{border-radius:16px}
    .list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start}
    .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);margin-top:9px;flex:0 0 auto}
    .marquee{
      display:flex;flex-wrap:wrap;gap:10px
    }
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card .price{font-size:30px;font-weight:900;color:#1f2937}
    .price-card .price small{font-size:14px;color:var(--muted);font-weight:600}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card{overflow:hidden}
    .article-card .body{padding:18px}
    .btn-row{display:flex;flex-wrap:wrap;gap:10px}
    .mobile-nav{display:none}
    .anchor{scroll-margin-top:92px}
    @media (max-width: 980px){
      .hero-grid,.gallery,.footer-grid,.grid-3,.grid-2,.stat-row,.price-grid,.article-list{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .mobile-nav{display:none;padding:0 0 14px}
      .mobile-nav.open{display:block}
      .mobile-nav .navlinks{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;display:grid}
      .mobile-nav .navlinks a{background:#fff}
      .form .span-2{grid-column:span 1}
      .form{grid-template-columns:1fr}
      .span-2{grid-column:span 1}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero-copy,.hero-panel,.card-pad{padding:18px}
      .nav{padding:12px 0}
      h1{font-size:30px}
      .section{padding:14px 0}
      .btn{width:auto}
    }