:root{
      --bg:#fffaf7;
      --bg2:#fff3ef;
      --card:#ffffff;
      --line:#f0d7d0;
      --text:#2b1f1c;
      --muted:#6f5b56;
      --brand:#d81f2f;
      --brand2:#ff5a3d;
      --brand3:#8b1020;
      --gold:#c98b2f;
      --shadow:0 18px 40px rgba(139,16,32,.10);
      --radius:20px;
      --radius-sm:14px;
      --max: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 top left, rgba(216,31,47,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(255,90,61,.10), transparent 24%),
        linear-gradient(180deg, #fffaf7 0%, #fff6f2 46%, #fffdfc 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100%, var(--max));margin:0 auto;padding:0 18px}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,250,247,.84);
      border-bottom:1px solid rgba(240,215,208,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:74px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:10px;background:#fff;box-shadow:0 8px 18px rgba(0,0,0,.06)}
    .brand .txt{min-width:0}
    .brand strong{display:block;font-size:18px;line-height:1.15}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#4b3530;padding:8px 0;position:relative}
    .navlinks a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.25s}
    .navlinks a:hover::after,.navlinks a:focus-visible::after{width:100%}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .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;font-size:14px;cursor:pointer;transition:.25s;
      box-shadow:0 10px 22px rgba(216,31,47,.14);
    }
    .btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
    .btn.ghost{background:#fff;border-color:var(--line);color:var(--text);box-shadow:none}
    .btn:hover{transform:translateY(-2px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{padding:34px 0 18px}
    .hero-grid{
      display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch
    }
    .hero-main{
      position:relative;overflow:hidden;border:1px solid rgba(240,215,208,.95);
      border-radius:28px;padding:34px;background:
      linear-gradient(135deg, rgba(255,255,255,.9), rgba(255,241,238,.92));
      box-shadow:var(--shadow);
    }
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:999px;background:linear-gradient(135deg, rgba(216,31,47,.14), rgba(255,90,61,.04));
      filter:blur(4px)
    }
    .hero-main::before{width:180px;height:180px;right:-40px;top:-36px}
    .hero-main::after{width:120px;height:120px;left:42%;bottom:-42px}
    .kicker{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:999px;font-size:13px;color:#7b5046}
    .hero h1{font-size:clamp(30px,5vw,54px);line-height:1.05;margin:16px 0 14px;letter-spacing:-.02em}
    .hero p{font-size:16px;line-height:1.8;color:var(--muted);max-width:58ch;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .point{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:18px;padding:14px}
    .point b{display:block;font-size:18px;margin-bottom:4px}
    .point span{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .side-card{
      background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow)
    }
    .side-card h3{margin:0 0 10px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{
      padding:8px 11px;border-radius:999px;border:1px solid rgba(216,31,47,.16);
      background:linear-gradient(180deg,#fff, #fff6f4);font-size:13px;color:#5a2b27
    }
    .section{padding:14px 0 22px}
    .section h2{font-size:28px;line-height:1.15;margin:0 0 12px}
    .section .lead{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .card,.panel,.quote,.article,.faq-item,.formbox,.timeline li,.compare{
      background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 28px rgba(139,16,32,.06)
    }
    .card{padding:18px}
    .metric{font-size:30px;font-weight:800;color:var(--brand3)}
    .muted{color:var(--muted)}
    .feature{display:flex;gap:12px;align-items:flex-start}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(216,31,47,.10), rgba(255,90,61,.16));color:var(--brand3);flex:0 0 auto
    }
    .feature h3,.card h3,.panel h3,.article h3,.quote h3{margin:0 0 8px;font-size:18px}
    .feature p,.card p,.panel p,.article p,.quote p{margin:0;color:var(--muted);line-height:1.75}
    .media-split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .media-split img{width:100%;height:auto;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:18px 18px 20px 18px}
    .step .num{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--brand);text-transform:uppercase}
    .step h3{margin:10px 0 8px}
    .step:not(:last-child)::after{content:"";position:absolute;right:-8px;top:28px;width:16px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));opacity:.35}
    .table-wrap{overflow-x:auto}
    table{width:100%;border-collapse:collapse;min-width:780px}
    th,td{padding:14px 12px;border-bottom:1px solid #efd8d2;text-align:left;vertical-align:top}
    th{background:#fff7f5;font-size:14px}
    td{font-size:14px;color:#4c3732}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:#fff3f0;color:#8d2230;font-size:12px;font-weight:700}
    .compare-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;align-items:stretch}
    .score{
      padding:22px;background:linear-gradient(135deg,#fff, #fff3ef);border:1px solid var(--line);border-radius:22px
    }
    .stars{color:#ff9d2f;font-size:22px;letter-spacing:2px}
    .timeline{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .timeline li{padding:16px 16px 16px 18px;position:relative}
    .timeline li::before{content:"";position:absolute;left:16px;top:22px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2))}
    .timeline .in{padding-left:22px}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .quote{padding:18px}
    .quote .who{margin-top:14px;font-weight:800}
    .quote .role{font-size:13px;color:var(--muted)}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{padding:18px}
    .article a{color:var(--brand3);font-weight:700}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:18px;border:0;background:transparent;color:var(--text);font-size:16px;font-weight:800;cursor:pointer;text-align:left
    }
    .faq-a{display:none;padding:0 18px 18px;color:var(--muted);line-height:1.8}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.2s}
    .formbox{padding:20px}
    form{display:grid;gap:12px}
    .form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{
      width:100%;border:1px solid #e7cbc3;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(216,31,47,.55);box-shadow:0 0 0 4px rgba(216,31,47,.08)}
    .footer{
      margin-top:18px;padding:22px 0 30px;background:#fff7f4;border-top:1px solid var(--line);color:#3b2d29
    }
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .footer a{color:#7b1c2a}
    .small{font-size:13px;color:var(--muted);line-height:1.7}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a,.mini-links span{
      padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px
    }
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#fff;box-shadow:0 14px 30px rgba(216,31,47,.24)
    }
    .chat-panel{
      position:fixed;right:16px;bottom:78px;z-index:59;width:min(320px, calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
      padding:14px;display:none
    }
    .chat-panel.show{display:block}
    .chat-panel img{border-radius:14px;border:1px solid var(--line)}
    .scroll-top{display:none}
    .scroll-top.show{display:grid}
    .anchor-gap{scroll-margin-top:92px}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.compare-grid,.footer-grid,.grid-4,.grid-3,.reviews,.article-list,.step-list,.media-split{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .navlinks,.nav-cta{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:flex}
      .nav.open .navlinks,.nav.open .nav-cta{
        display:flex;position:absolute;left:18px;right:18px;top:74px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start
      }
      .nav.open .navlinks{gap:10px}
      .nav.open .nav-cta{top:auto;bottom:-64px;flex-direction:row;justify-content:space-between}
      .step:not(:last-child)::after{display:none}
    }