:root{
      --bg:#fff8f3;
      --surface:#ffffff;
      --surface-2:#fff1ea;
      --line:#f0d1c7;
      --text:#2d1f1d;
      --muted:#6d5a55;
      --brand:#d92d20;
      --brand-2:#ff5a36;
      --brand-3:#ff7b59;
      --shadow:0 18px 40px rgba(150, 47, 30, .10);
      --shadow-2:0 10px 24px rgba(217,45,32,.14);
      --radius:18px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background:
        radial-gradient(circle at top left, rgba(255,107,73,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(217,45,32,.08), transparent 22%),
        linear-gradient(180deg, #fffaf7 0%, #fff6f1 46%, #fffdfb 100%);
      color:var(--text);
      line-height:1.7;
    }
    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}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(255,248,243,.88);
      border-bottom:1px solid rgba(240,209,199,.72);
    }
    .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 img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid #f3ddd5;padding:4px;box-shadow:0 8px 18px rgba(217,45,32,.08)}
    .brand strong{display:block;font-size:1.05rem;line-height:1.15}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-toggle{
      display:none;border:1px solid var(--line);background:var(--surface);color:var(--text);
      border-radius:12px;padding:10px 12px;font-weight:700
    }
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a{
      font-size:.92rem;color:#4b3935;background:rgba(255,255,255,.72);
      border:1px solid rgba(240,209,199,.9);padding:8px 12px;border-radius:999px;
      transition:.25s ease;
    }
    .nav-links a:hover,.nav-links a:focus{transform:translateY(-1px);border-color:rgba(217,45,32,.35);box-shadow:var(--shadow-2);color:var(--brand)}
    .hero{
      padding:42px 0 26px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.25fr .9fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.card,.panel,.faq-item,.review-card,.article-item,.stat,.price-card,.timeline-item,.compare-table,.form-card,.footer-box{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(240,209,199,.85);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:28px;position:relative;overflow:hidden}
    .hero-main:before{
      content:"";position:absolute;inset:-70px -100px auto auto;width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,90,54,.18), transparent 70%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:linear-gradient(135deg, rgba(217,45,32,.11), rgba(255,122,89,.12));
      color:var(--brand);font-weight:700;font-size:.88rem;border:1px solid rgba(217,45,32,.12)
    }
    h1{margin:14px 0 12px;font-size:clamp(2rem, 4.4vw, 3.7rem);line-height:1.08;letter-spacing:-.03em}
    .lead{color:var(--muted);font-size:1.02rem;max-width:46em;margin:0 0 18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0 18px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;
      transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 12px 28px rgba(217,45,32,.24)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(217,45,32,.30)}
    .btn-secondary{background:#fff;color:var(--brand);border-color:rgba(217,45,32,.20)}
    .btn-secondary:hover{transform:translateY(-1px);border-color:rgba(217,45,32,.35);box-shadow:var(--shadow-2)}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .hero-badges span{
      padding:8px 12px;border-radius:999px;background:#fff7f4;border:1px solid rgba(240,209,199,.95);
      color:#5a423e;font-size:.9rem
    }
    .hero-side{padding:22px}
    .mini-title{font-size:1.02rem;margin:0 0 12px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:16px;background:linear-gradient(180deg,#fff 0%,#fff8f4 100%)}
    .stat strong{display:block;font-size:1.4rem;color:var(--brand);line-height:1.1}
    .stat span{display:block;color:var(--muted);font-size:.9rem;margin-top:4px}
    .section{padding:14px 0 28px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:1.75rem;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:50em}
    .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{padding:20px}
    .card h3,.panel h3,.faq-item summary,.article-item h3,.review-card h3,.price-card h3{margin:0 0 8px;font-size:1.08rem}
    .card p,.panel p,.article-item p,.review-card p{margin:0;color:var(--muted)}
    .icon-tag{
      display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:.9rem;margin-bottom:10px
    }
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill-list span{padding:8px 11px;border-radius:999px;background:#fff5f1;border:1px solid #f0d1c7;font-size:.88rem;color:#5b4641}
    .panel{padding:22px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{
      padding:18px;border-radius:16px;background:linear-gradient(180deg,#fff 0%,#fff8f5 100%);
      border:1px solid #f0d1c7;position:relative
    }
    .step .num{font-size:.82rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:18px}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 14px;border-bottom:1px solid #f1ddd5;text-align:left;vertical-align:top}
    th{background:#fff4ee;color:#4b3531}
    tr:hover td{background:#fffaf8}
    .rating{
      display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:12px
    }
    .stars{color:#ff8c21;font-size:1.2rem;letter-spacing:2px}
    .score-box{
      display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:14px 16px;border-radius:16px;background:linear-gradient(135deg, rgba(217,45,32,.09), rgba(255,122,89,.10));
      border:1px solid rgba(217,45,32,.16)
    }
    .score-box strong{font-size:1.5rem;color:var(--brand)}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-item summary{
      list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:14px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--brand);font-size:1.2rem;font-weight:800}
    .faq-item[open] summary{border-bottom:1px solid #f3ddd5}
    .faq-item[open] summary:after{content:"—"}
    .faq-item .answer{padding:14px 18px 18px;color:var(--muted);background:#fffdfc}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-card{padding:18px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .role{font-size:.88rem;color:var(--brand);font-weight:700}
    .article-list{display:grid;gap:12px}
    .article-item{
      padding:16px 18px;display:flex;justify-content:space-between;gap:14px;align-items:flex-start
    }
    .article-item time{color:var(--muted);white-space:nowrap;font-size:.88rem}
    .form-card{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-weight:700;font-size:.92rem;margin-bottom:7px}
    input,select,textarea{
      width:100%;border:1px solid #e7cdc2;background:#fff;border-radius:14px;padding:12px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(217,45,32,.55);box-shadow:0 0 0 4px rgba(217,45,32,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      padding:18px 0 22px;margin-top:6px;border-top:1px solid rgba(240,209,199,.8)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .footer-box{padding:18px}
    .footer a{color:#7c2e23}
    .footer small,.footer p{color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      display:inline-flex;align-items:center;justify-content:center;
      width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;box-shadow:0 12px 24px rgba(217,45,32,.24);border:none;cursor:pointer
    }
    .float-panel{
      position:fixed;right:16px;bottom:78px;z-index:60;width:min(320px, calc(100vw - 32px));
      background:#fff;border:1px solid #efcfc5;border-radius:18px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .float-panel.open{display:block}
    .qrcode{
      display:grid;grid-template-columns:108px 1fr;gap:14px;align-items:center
    }
    .qrcode img{width:108px;height:108px;object-fit:cover;border-radius:14px;border:1px solid #f0d1c7}
    .topback{position:fixed;left:16px;bottom:16px;z-index:60}
    .topback a{
      display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:16px;
      background:#fff;border:1px solid #f0d1c7;box-shadow:var(--shadow);color:var(--brand);font-weight:900
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a,.tag-cloud span{
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #f0d1c7;color:#5b4641;font-size:.9rem
    }
    .network{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
    .network div{padding:14px;border:1px solid #f1ddd5;border-radius:14px;background:#fff7f2;text-align:center;color:#5d4843;font-weight:700}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.review-grid,.footer-grid,.steps,.network{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:16px;right:16px;top:72px;padding:12px;background:#fff;border:1px solid #f0d1c7;border-radius:18px;box-shadow:var(--shadow)
      }
      .nav-links.open{display:flex;flex-direction:column;align-items:stretch}
      .nav-links a{text-align:center}
      .hero{padding-top:26px}
      .hero-grid,.grid-3,.grid-2,.review-grid,.footer-grid,.steps,.network,.form-grid,.stat-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .qrcode{grid-template-columns:1fr}
      .qrcode img{width:100%;height:auto;max-width:180px}
      .article-item{flex-direction:column}
    }