* { box-sizing: border-box; margin: 0; padding: 0; }
  body { font-family: var(--font-sans, system-ui, -apple-system, sans-serif); background: #fff; color: #1a1a1a; }
  .pw { max-width: 1600px; margin: 0 auto; background: #fff; min-height: 800px; display: flex; flex-direction: column; }
  .hd { display: flex; align-items: center; justify-content: space-between; padding: 16px 40px; border-bottom: 1px solid #eee; background: #fff; }
  .logo-img { height: 64px; width: auto; display: block; }
  .nv { display: flex; gap: 32px; }
  .nv a { text-decoration: none; color: #555; font-size: 20px; cursor: pointer; }
  .nv a:hover, .nv a.act { color: #7a5c2e; }
  .nv a.act { position: relative; }
  .nv a.act::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: #B8916A; border-radius: 1px; }
  .mw { display: flex; flex: 1; min-height: 600px; }
  .sb { width: 340px; background: #fff; border-right: 1px solid #eee; padding: 32px 0; flex-shrink: 0; }
  .sbt { font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 2px; color: #7a5c2e; padding: 0 24px 16px; border-bottom: 1px solid #eee; margin-bottom: 8px; }
  .si { display: flex; align-items: center; gap: 10px; padding: 12px 24px; font-size: 14px; color: #666; cursor: pointer; border-left: 3px solid transparent; }
  .si:hover { background: #f0f0f0; color: #1a1a1a; }
  .si.act { background: #fff8f0; color: #7a5c2e; border-left-color: #7a5c2e; font-weight: 500; }
  .si svg { width: 16px; height: 16px; stroke: currentColor; stroke-width: 1.8; fill: none; flex-shrink: 0; }
  .pli { display: flex; align-items: center; gap: 10px; padding: 11px 24px; font-size: 14px; color: #555; text-decoration: none; cursor: pointer; border-left: 3px solid transparent; }
  .pli:hover { background: #f5f5f5; color: #1a1a1a; }
  .pli.act { background: #fff8f0; color: #7a5c2e; border-left-color: #7a5c2e; font-weight: 500; }
  .pli svg { width: 16px; height: 16px; stroke: #7a5c2e; stroke-width: 1.8; fill: none; flex-shrink: 0; }
  .cat { border-bottom: 1px solid #eee; }
  .cat > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 1.5px; color: #7a5c2e; }
  .cat > summary::-webkit-details-marker { display: none; }
  .cat > summary::marker { content: ''; }
  .cat > summary:hover { color: #1a1a1a; }
  .cat[open] > summary { color: #1a1a1a; }
  .cat .cnt { font-size: 11px; color: #999; background: #f0f0f0; border-radius: 10px; padding: 1px 8px; letter-spacing: 0; }
  .ct { flex: 1; padding: 44px 56px 100px; }
  .cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 48px; }
  .cc { display: block; text-decoration: none; border: 1px solid #eee; border-radius: 14px; padding: 22px 20px; background: #fff; box-shadow: 0 6px 22px rgba(36,28,16,.06); transition: .2s; }
  .cc:hover { border-color: #e0d2bd; box-shadow: 0 14px 34px rgba(36,28,16,.13); transform: translateY(-3px); }
  .cct { font-size: 17px; font-weight: 500; color: #1a1a1a; margin-bottom: 6px; }
  .ccc { font-size: 13px; color: #7a5c2e; }
  .psec { margin-bottom: 44px; scroll-margin-top: 20px; }
  .ph2 { font-size: 20px; font-weight: 500; color: #1a1a1a; margin: 0 0 20px; padding-bottom: 10px; border-bottom: 2px solid #f0ece4; }
  .ph2 .phc { font-size: 13px; color: #999; font-weight: 400; margin-left: 8px; }
  .bc { font-size: 12px; color: #6b6b6b; margin-bottom: 20px; }
  .bc span { color: #1a1a1a; }
  .sep { margin: 0 6px; color: #6b6b6b; }
  .pt { font-size: 28px; font-weight: 500; color: #1a1a1a; margin-bottom: 8px; }
  .ps { font-size: 15px; color: #6b6b6b; line-height: 1.6; margin-bottom: 36px; }
  .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
  .pc { border: 1px solid #eee; border-radius: 14px; overflow: hidden; transition: .25s; background: #fff; box-shadow: 0 6px 22px rgba(36,28,16,.06); }
  .pc:hover { box-shadow: 0 14px 34px rgba(36,28,16,.13); transform: translateY(-4px); border-color: #e0d2bd; }
  .pc .pi { width: 100%; aspect-ratio: 4/3; overflow: hidden; background: #fafafa; }
  .pc .pi img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
  .pc .pn { display: block; text-align: center; padding: 16px 12px; font-size: 15px; font-weight: 500; color: #7a5c2e; text-decoration: none; cursor: pointer; transition: .2s; }
  .pc .pn:hover { color: #a07855; text-decoration: underline; }
  /* 分类卡片点击筛选：选中态 */
  .cc.act { border-color: #7a5c2e; background: #fff8f0; box-shadow: 0 14px 34px rgba(36,28,16,.18); transform: translateY(-3px); }
  .cc.act .cct { color: #7a5c2e; }
  .cc.act::after { content: '✓'; position: absolute; top: 14px; right: 16px; color: #7a5c2e; font-size: 15px; }
  .cc { position: relative; }
  /* 筛选后出现的"显示全部"链接 */
  .filter-reset { display: none; margin: 0 0 22px; font-size: 15px; font-weight: 600; color: #fff; background: #7a5c2e; border: 1px solid #7a5c2e; border-radius: 10px; padding: 11px 20px; cursor: pointer; text-decoration: none; user-select: none; transition: .2s; box-shadow: 0 4px 14px rgba(122,92,46,.18); }
  .filter-reset.show { display: inline-flex; align-items: center; gap: 6px; }
  .filter-reset:hover { background: #8a6a3a; border-color: #8a6a3a; color: #fff; box-shadow: 0 6px 18px rgba(122,92,46,.28); }
  /* 产品搜索框 */
  .psearch-wrap { position: relative; max-width: 440px; margin: 0 0 30px; }
  .psearch-ico { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; stroke: #b0a890; stroke-width: 2; fill: none; pointer-events: none; }
  .psearch { width: 100%; padding: 13px 14px 13px 44px; font-size: 15px; border: 1px solid #e0d2bd; border-radius: 10px; outline: none; color: #1a1a1a; background: #fff; transition: .2s; }
  .psearch:focus { border-color: #7a5c2e; box-shadow: 0 0 0 3px rgba(122,92,46,.12); }
  .psearch::placeholder { color: #aaa; }
  .pmatch0 { display: none; }

  .ft { background: #1a1a1a; color: #ccc; padding: 40px 40px 28px; font-size: 13px; }
  .fg2 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 28px; }
  .ft h4, .ft-h { color: #fff; font-size: 14px; font-weight: 500; margin-bottom: 14px; }
  .ft a { color: #999; text-decoration: none; display: block; margin-bottom: 8px; font-size: 13px; cursor: pointer; }
  .ft a:hover { color: #B8916A; }
  .ft .tg { color: #999; line-height: 1.6; margin-top: 8px; }
  .ft .lf { font-size: 18px; font-weight: 500; letter-spacing: 2px; color: #fff; }
  .ft .lf span { color: #B8916A; }
  .fb { border-top: 1px solid #333; padding-top: 20px; display: flex; justify-content: space-between; font-size: 12px; color: #999999; }

  @media (max-width: 768px) {
    .sb { display: none; }
    .grid { grid-template-columns: 1fr; }
    .cats { grid-template-columns: 1fr 1fr; }
  }