:root{
      --bg:#fffdf6;
      --panel:#ffffff;
      --panel2:#fff7d8;
      --line:#eadfb9;
      --text:#1f2937;
      --muted:#5b6472;
      --brand:#f4c400;
      --brand2:#ffdd55;
      --brand3:#fff4b3;
      --accent:#0f766e;
      --shadow:0 14px 40px rgba(32, 37, 54, .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(--text);
      background:
        radial-gradient(circle at top left, rgba(255,221,85,.28), transparent 24%),
        radial-gradient(circle at top right, rgba(255,208,64,.18), transparent 20%),
        linear-gradient(180deg, #fffef9 0%, #fffdf6 42%, #fff9e6 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;
    }
    .topbar{
      position:sticky;top:0;z-index:60;
      backdrop-filter:saturate(180%) blur(12px);
      background:rgba(255,252,239,.86);
      border-bottom:1px solid rgba(234,223,185,.75);
    }
    .nav{
      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;border-radius:14px;overflow:hidden;
      background:linear-gradient(135deg,var(--brand2),#fff7c8);
      border:1px solid var(--line);
      box-shadow:0 10px 22px rgba(244,196,0,.14);
      flex:0 0 auto;
    }
    .brand .name{font-weight:800;letter-spacing:.5px}
    .brand .sub{font-size:12px;color:var(--muted)}
    .navlinks{
      display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end;
    }
    .navlinks a{
      font-size:14px;color:#374151;font-weight:600;padding:8px 10px;border-radius:999px;
      transition:.2s ease;
    }
    .navlinks a:hover,.navlinks a:focus{background:rgba(244,196,0,.12);color:#111827}
    .menu-btn{
      display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);
      border-radius:12px;padding:10px 12px;font-weight:700;
    }
    .hero{
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.info-card,.review-card,.faq-item,.article-item,.case-item,.form-card,.metric,.price-card,.timeline-item,.compare-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(234,223,185,.95);
      box-shadow:var(--shadow);
    }
    .hero-main{
      border-radius:28px;padding:28px;position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,249,220,.96)),
        radial-gradient(circle at 20% 20%, rgba(255,221,85,.22), transparent 30%);
    }
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:999px;pointer-events:none;
      background:radial-gradient(circle, rgba(244,196,0,.22), transparent 65%);
    }
    .hero-main::before{width:180px;height:180px;right:-50px;top:-40px}
    .hero-main::after{width:220px;height:220px;left:-90px;bottom:-90px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(244,196,0,.14);color:#8a6500;border:1px solid rgba(244,196,0,.24);
      padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700;
    }
    h1{
      margin:14px 0 12px;font-size:clamp(30px,4vw,50px);line-height:1.08;letter-spacing:-.02em;
    }
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:56ch}
    .hero-actions{
      display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:14px;padding:12px 18px;font-weight:800;border:1px solid transparent;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
      cursor:pointer;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ffdd55);color:#1f1b00;box-shadow:0 12px 24px rgba(244,196,0,.22)}
    .btn-ghost{background:var(--panel);border-color:var(--line);color:var(--text)}
    .hero-points{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px;
    }
    .mini{
      padding:14px;border-radius:18px;background:rgba(255,255,255,.86);border:1px solid rgba(234,223,185,.85);
    }
    .mini strong{display:block;font-size:18px;margin-bottom:4px}
    .mini span{font-size:13px;color:var(--muted)}
    .hero-side{
      border-radius:28px;padding:22px;display:grid;gap:14px;align-content:start;
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,250,230,.96));
    }
    .side-badge{font-size:13px;color:#8a6500;font-weight:800}
    .side-list{display:grid;gap:12px}
    .side-item{
      padding:14px;border-radius:16px;background:var(--panel2);border:1px solid rgba(234,223,185,.9)
    }
    .side-item h3{margin:0 0 4px;font-size:15px}
    .side-item p{margin:0;color:var(--muted);font-size:13px}
    section{padding:18px 0}
    .section-card{
      border-radius:26px;padding:24px;
    }
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px;flex-wrap:wrap;
    }
    .section-head h2{margin:0;font-size:28px;line-height:1.1}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .metric,.info-card,.review-card,.case-item,.article-item,.faq-item,.price-card,.timeline-item,.compare-card{
      border-radius:20px;padding:18px;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .metric:hover,.info-card:hover,.review-card:hover,.case-item:hover,.article-item:hover,.price-card:hover,.timeline-item:hover,.compare-card:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 42px rgba(32,37,54,.11);
    }
    .metric .num{font-size:28px;font-weight:900;color:#1f1b00}
    .metric .label{font-size:14px;font-weight:700;margin-top:4px}
    .metric .desc{font-size:13px;color:var(--muted);margin-top:6px}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      font-size:12px;font-weight:800;color:#846000;background:#fff4be;border:1px solid rgba(244,196,0,.18);
      padding:6px 10px;border-radius:999px;
    }
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{
      padding:8px 12px;border-radius:999px;background:#fff;color:#3b3b3b;border:1px solid var(--line);
      font-size:13px;font-weight:700
    }
    .list{
      margin:0;padding-left:18px;color:var(--muted)
    }
    .list li{margin:8px 0}
    .steps{counter-reset:s}
    .step{
      position:relative;padding-left:52px
    }
    .step::before{
      counter-increment:s;content:counter(s);
      position:absolute;left:16px;top:16px;width:24px;height:24px;border-radius:50%;
      display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#fff09d);color:#1f1b00;font-weight:900;font-size:13px;
    }
    .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;text-align:left;border-bottom:1px solid #eee4c5;font-size:14px;vertical-align:top}
    th{background:#fff8d8;color:#2b2b2b}
    tr:last-child td{border-bottom:none}
    .highlight{color:#8a6500;font-weight:800}
    .faq-item button{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      border:none;background:transparent;color:var(--text);font-weight:800;font-size:16px;text-align:left;padding:0;cursor:pointer;
    }
    .faq-item .answer{max-height:0;overflow:hidden;transition:max-height .25s ease;margin-top:0;color:var(--muted)}
    .faq-item.open .answer{max-height:220px;margin-top:10px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
    .stars{color:#f2b700;letter-spacing:1px;font-weight:900}
    .quote{margin:0;color:#374151}
    .article-item h3,.case-item h3,.price-card h3,.compare-card h3{margin:0 0 8px;font-size:18px}
    .article-item p,.case-item p,.price-card p,.compare-card p{margin:0;color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .form-field{display:grid;gap:8px}
    label{font-size:13px;font-weight:800;color:#374151}
    input,select,textarea{
      width:100%;padding:12px 14px;border-radius:14px;border:1px solid #d7cfad;background:#fff;color:var(--text);
      font:inherit;outline:none;
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#f0c400;box-shadow:0 0 0 4px rgba(244,196,0,.14)}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
    .footer{
      padding:18px 0 30px;
    }
    .footer-inner{
      border-radius:24px;padding:20px;background:#fff9df;border:1px solid var(--line);
      display:grid;gap:14px;
    }
    .footer-top{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-start}
    .footer-links{display:flex;gap:10px;flex-wrap:wrap}
    .footer-links a{font-size:14px;color:#334155;font-weight:700}
    .contact-row{display:flex;gap:12px;flex-wrap:wrap}
    .contact-chip{background:#fff;padding:10px 12px;border-radius:999px;border:1px solid var(--line);font-weight:700;font-size:13px}
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px;
    }
    .float-box a,.float-box button{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(234,223,185,.95);
      background:linear-gradient(135deg,#fff8ce,#fff);box-shadow:var(--shadow);display:grid;place-items:center;
      color:#5b4b00;font-weight:900;cursor:pointer;
    }
    .kefu{
      position:fixed;left:16px;bottom:16px;z-index:70;width:min(260px, calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:12px;display:none;
    }
    .kefu.open{display:block}
    .kefu .head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
    .kefu .head strong{font-size:15px}
    .kefu .close{border:none;background:transparent;font-size:18px;cursor:pointer;color:#666}
    .kefu img{border-radius:14px;border:1px solid var(--line)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700}
    .timeline{display:grid;gap:12px}
    .timeline-item{position:relative;padding-left:18px}
    .timeline-item::before{content:"";position:absolute;left:10px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
    .timeline-item .when{font-weight:800;color:#8a6500;font-size:13px}
    .grid-case{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .compare-flag{font-size:14px;font-weight:900;color:#8a6500}
    .rating-box{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}
    .rating-box .r{
      padding:14px;border-radius:16px;background:#fff;padding-left:16px;border:1px solid var(--line)
    }
    .rating-box b{display:block;font-size:20px}
    .mobile-only{display:none}
    .collapse-toggle{display:flex}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.grid-case,.rating-box{grid-template-columns:1fr}
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:block}
      .nav.open .navlinks{
        display:flex;position:absolute;left:16px;right:16px;top:72px;
        padding:14px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
      }
      .nav{position:relative}
      .form-grid{grid-template-columns:1fr}
    }
    .small{font-size:13px;color:var(--muted)}
    .anchor{scroll-margin-top:88px}
    .divider{height:1px;background:linear-gradient(90deg,transparent,rgba(234,223,185,.9),transparent);margin:16px 0}
    .home-link{
      display:inline-flex;align-items:center;gap:8px;font-weight:800;color:#1f2937
    }
    .home-link:hover{color:#8a6500}