:root{
      --bg:#fff8f1;
      --bg2:#fffdf9;
      --card:#ffffff;
      --line:#f1dfd0;
      --text:#2c2118;
      --muted:#6f5e51;
      --accent:#ff7a18;
      --accent2:#ffb15c;
      --accent3:#ffefe1;
      --shadow:0 18px 40px rgba(153, 77, 0, .10);
      --shadow2:0 10px 24px rgba(153, 77, 0, .08);
      --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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,122,24,.14), transparent 28%),
        radial-gradient(circle at top right, rgba(255,177,92,.14), transparent 24%),
        linear-gradient(180deg, #fff9f2 0%, #fffdfb 34%, #fff8f0 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:60;
      backdrop-filter:saturate(140%) blur(14px);
      background:rgba(255,248,241,.82);
      border-bottom:1px solid rgba(241,223,208,.85);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:10px;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:var(--shadow2)}
    .brand-text{display:flex;flex-direction:column;min-width:0}
    .brand-text strong{font-size:18px;line-height:1.1}
    .brand-text span{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:10px 14px;font-weight:700}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:var(--muted);padding:8px 0;position:relative}
    .nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
    .nav a:hover{color:var(--text)}
    .nav a:hover::after{transform:scaleX(1)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;border:1px solid transparent;
      padding:13px 18px;font-weight:700;transition:.25s ease;cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff9440);color:#fff;box-shadow:0 14px 28px rgba(255,122,24,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,122,24,.3)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#efc8a8;box-shadow:var(--shadow2)}
    .hero{padding:40px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-panel{
      position:relative;overflow:hidden;border-radius:28px;
      background:
        linear-gradient(135deg, rgba(255,122,24,.12), rgba(255,255,255,.9) 55%, rgba(255,177,92,.10)),
        linear-gradient(180deg,#fff,#fff7ef);
      border:1px solid rgba(241,223,208,.9);
      box-shadow:var(--shadow);
      padding:34px;
    }
    .hero-panel::before,.hero-panel::after{
      content:"";position:absolute;border-radius:999px;background:rgba(255,122,24,.14);filter:blur(2px);
    }
    .hero-panel::before{width:180px;height:180px;right:-64px;top:-56px}
    .hero-panel::after{width:120px;height:120px;right:92px;bottom:-42px;background:rgba(255,177,92,.16)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--accent3);color:#c75a00;border:1px solid rgba(255,177,92,.35);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(34px,5vw,54px);line-height:1.06;margin:16px 0 14px;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .point{
      background:rgba(255,255,255,.82);border:1px solid rgba(241,223,208,.95);border-radius:18px;padding:14px 14px 13px;
    }
    .point strong{display:block;font-size:18px;margin-bottom:4px}
    .point span{font-size:13px;color:var(--muted);line-height:1.6}
    .hero-side{
      display:grid;gap:16px;
    }
    .side-card{
      background:rgba(255,255,255,.9);border:1px solid rgba(241,223,208,.95);border-radius:24px;padding:22px;box-shadow:var(--shadow2)
    }
    .side-card h3{margin:0 0 10px;font-size:18px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{
      background:linear-gradient(180deg,#fff, #fff9f3);
      border:1px solid var(--line);border-radius:18px;padding:14px;
    }
    .stat b{display:block;font-size:24px;color:#d55d00}
    .stat span{font-size:13px;color:var(--muted);line-height:1.5}
    .trust{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:10px
    }
    .tag{border:1px solid rgba(255,122,24,.18);background:#fff;padding:9px 12px;border-radius:999px;font-size:13px;color:#a84f00}
    .section{padding:18px 0 26px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:60ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(241,223,208,.95);
      border-radius:24px;padding:22px;box-shadow:var(--shadow2);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#efc8a8}
    .card h3{margin:0 0 10px;font-size:20px}
    .card p,.card li,.card td,.card th{color:var(--muted);line-height:1.75}
    .icon{
      width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,#fff0e2,#ffd8b3);color:#d45b00;font-weight:900;margin-bottom:14px
    }
    .list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .list li{display:flex;gap:10px;align-items:flex-start}
    .list li::before{content:"";width:8px;height:8px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent2));margin-top:9px;flex:0 0 auto}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line)}
    .step .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--accent3);color:#cc5d00;font-weight:800;margin-bottom:14px}
    .step h3{margin-bottom:8px}
    .table-wrap{overflow-x:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #f3e5d7;vertical-align:top}
    th{background:#fff7ef;color:var(--text);font-size:14px}
    tr:last-child td{border-bottom:none}
    .rating{
      display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center
    }
    .score{
      text-align:center;background:linear-gradient(135deg,#fff6eb,#fff);border:1px solid var(--line);padding:18px 20px;border-radius:22px;min-width:170px
    }
    .score strong{display:block;font-size:34px;color:#d45b00;line-height:1}
    .score span{font-size:13px;color:var(--muted)}
    .rating-stars{color:#ff8a1f;font-size:18px;letter-spacing:2px;margin-bottom:8px}
    .compare-list{display:grid;gap:10px}
    .compare-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;padding:12px 14px;border-radius:16px;background:#fff8f2;border:1px solid #f3e2d4}
    .compare-row b{color:var(--text)}
    .chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#7b5b45;font-size:13px}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .timeline .card{position:relative}
    .timeline .card::after{content:"";position:absolute;top:28px;right:-7px;width:14px;height:14px;background:var(--accent2);border:3px solid #fff;border-radius:50%}
    .timeline .card:last-child::after{display:none}
    .review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{position:relative}
    .review .role{color:#c65a00;font-size:13px;font-weight:700;margin-bottom:10px}
    .review .quote{font-size:15px;line-height:1.8;color:var(--text)}
    .review .meta{margin-top:14px;color:var(--muted);font-size:13px}
    .article-list{display:grid;gap:12px}
    .article{
      display:flex;justify-content:space-between;gap:14px;align-items:flex-start;
      padding:16px 0;border-bottom:1px dashed #ead7c6
    }
    .article:last-child{border-bottom:none;padding-bottom:0}
    .article a{font-weight:700;color:var(--text)}
    .article span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow2)}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;list-style:none;font-weight:700;color:var(--text)}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:10px 0 0;color:var(--muted);line-height:1.8}
    .form-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    form{display:grid;gap:12px}
    label{font-size:14px;font-weight:700;color:var(--text)}
    input,select,textarea{
      width:100%;border:1px solid #e8d7c6;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:border-color .2s ease,box-shadow .2s ease
    }
    textarea{min-height:122px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ffb15c;box-shadow:0 0 0 4px rgba(255,177,92,.18)}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    .contact-box{display:grid;gap:12px}
    .contact-item{padding:14px 16px;border-radius:18px;background:#fff7ef;border:1px solid #f2deca}
    .contact-item b{display:block;margin-bottom:4px}
    .service-net{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .footer{
      margin-top:14px;padding:26px 0 28px;border-top:1px solid rgba(241,223,208,.95);
      background:#fff7ef;color:var(--text)
    }
    .footer a{color:#8d4b12}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr .95fr;gap:18px;align-items:start}
    .footer small,.footer p{color:#6f5e51;line-height:1.8}
    .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)}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:70;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--accent),#ff9440);color:#fff;box-shadow:0 14px 26px rgba(255,122,24,.26);border:none;cursor:pointer
    }
    .float-panel{
      position:absolute;right:0;bottom:62px;width:min(320px,calc(100vw - 36px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .float-panel.open{display:block;animation:fadeUp .22s ease}
    .float-panel h4{margin:0 0 10px}
    .qrcode{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center}
    .qrcode img{border-radius:16px;border:1px solid var(--line);background:#fff}
    .top-link{display:inline-flex;align-items:center;gap:8px}
    .scroll-top{
      position:fixed;left:18px;bottom:18px;z-index:70;
      border:none;border-radius:999px;padding:12px 14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2);color:var(--text);font-weight:700;display:none
    }
    .scroll-top.show{display:inline-flex}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
    .reveal.visible{opacity:1;transform:none}
    .ai-page-image{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow2)}
    .top-banner{
      display:grid;grid-template-columns:1fr 1fr;gap:14px
    }
    .banner-card{padding:18px;border-radius:22px;background:#fff;border:1px solid var(--line)}
    .banner-card strong{display:block;margin-bottom:8px}
    .banner-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .banner-strip img{width:100%;height:auto;object-fit:cover}
    .mobile-only{display:none}
    @keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
    @media (max-width: 1080px){
      .hero-grid,.form-grid,.footer-grid,.grid-3,.grid-2,.review-grid,.service-net,.timeline,.workflow{grid-template-columns:1fr 1fr}
      .hero-panel{padding:28px}
      .top-banner{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav{
        display:none;position:absolute;left:20px;right:20px;top:76px;
        background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:4px
      }
      .nav.open{display:flex}
      .nav a{padding:10px 0;width:100%}
      .hero{padding-top:22px}
      .hero-grid,.form-grid,.footer-grid,.grid-3,.grid-2,.review-grid,.service-net,.timeline,.workflow,.hero-points,.stat-grid{grid-template-columns:1fr}
      .hero-panel{padding:22px;border-radius:24px}
      .hero-actions,.section-head,.rating{grid-template-columns:1fr;display:grid}
      .section-head{align-items:start}
      .section-head h2{font-size:24px}
      .compare-row{grid-template-columns:1fr}
      .nav-wrap{position:relative}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .article{flex-direction:column}
    }