:root{font-family:"Microsoft YaHei",system-ui,sans-serif;color:#24334a;background:#f5f7fa;font-size:14px}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}header{height:72px;background:#fff;border-bottom:1px solid #e5e9ef;display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100vw - 1500px)/2))}.brand{font-size:23px;font-weight:800;color:#b91d2c}.brand small{font-size:12px;letter-spacing:2px;color:#8390a1;margin-left:12px}nav{color:#65748a}main{max-width:1560px;margin:auto;padding:32px}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.eyebrow{font-size:11px;letter-spacing:2px;color:#8a95a5}.eyebrow b{letter-spacing:0;background:#e8edf3;padding:4px 8px;border-radius:4px;margin-left:9px}h1{font-size:30px;margin:14px 0 8px}.intro p{color:#7b8798;margin:0}.notice{font-size:12px;color:#788496;line-height:1.9;border-left:2px solid #cbd3de;padding-left:16px}.layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px}aside{background:#fff;border:1px solid #e4e9f0;border-radius:12px;padding:20px;height:fit-content}.filter-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px}.filter-head button,#pager button{border:1px solid #e0e5ec;border-radius:6px;background:#fff;color:#69788c;padding:5px 10px}details{border-top:1px solid #edf0f5;padding:14px 0}summary{cursor:pointer;font-weight:700;font-size:13px}details label{display:flex;align-items:center;gap:7px;margin-top:12px;font-size:13px;line-height:1.6}input[type=checkbox]{accent-color:#bd2031}details input[type=text]{width:48px;margin-left:auto;border:1px solid #d4dce7;border-radius:5px;padding:4px;text-align:center}details input:disabled{background:#f1f3f6;color:#a0a9b7}.search{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #dee5ed;padding:12px 18px;border-radius:10px}.search span{font-size:26px;color:#a4aebb}.search input{border:0;outline:0;flex:1;min-width:0;font-size:15px}.search:focus-within{border-color:#bd2031}.result-head{display:flex;justify-content:space-between;margin:22px 0 16px}.result-head span,.footnote{font-size:12px;color:#8a95a5}#active{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}#active button{background:#fff0f1;border:1px solid #f3d1d6;color:#aa2333;padding:5px 9px;border-radius:6px;font-size:12px}#grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product{background:#fff;border:1px solid #e4e9ef;border-radius:12px;overflow:hidden;transition:box-shadow .2s,transform .2s}.product:hover{box-shadow:0 10px 28px #253b5714;transform:translateY(-2px)}.picture{height:190px;padding:20px;display:flex;align-items:center;justify-content:center;background:#fff}.picture img{width:100%;height:100%;object-fit:contain}.copy{padding:18px;border-top:1px solid #f0f2f6}.category{color:#9a6470;font-size:11px}.copy h2{font-size:15px;line-height:1.7;margin:8px 0;height:51px;overflow:hidden}.model{font-size:12px;color:#7b8798;min-height:18px}.tags{display:flex;flex-wrap:wrap;gap:5px;min-height:28px}.tags span{font-size:11px;padding:4px 6px;background:#eff5fc;color:#3c648f;border-radius:4px}.tags span.hit{color:#187544;background:#e6f5ec}.detail{display:block;margin-top:16px;color:#b11f30;font-size:12px}.empty{grid-column:1/-1;padding:65px 20px;text-align:center;background:#fff;border-radius:12px;color:#778396}#pager{display:flex;gap:14px;align-items:center;justify-content:center;margin:24px}.footnote{line-height:1.9}input:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #a72438;outline-offset:3px}@media(max-width:1150px){#grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){main{padding:20px 14px}.intro{display:block}.notice{margin-top:18px}.layout{grid-template-columns:1fr}aside{padding:14px}.picture{height:150px}.result-head{gap:12px}.copy{padding:12px}header{padding:0 18px}h1{font-size:25px}}@media(max-width:430px){#grid{grid-template-columns:1fr}}
/* Compact four-column desktop cards, with readable responsive fallbacks. */
#grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;align-items:start}.picture{height:145px;padding:12px}.copy{padding:12px}.copy h2{font-size:14px;line-height:1.55;height:auto;min-height:44px;margin:5px 0 8px}.model{margin:6px 0;line-height:1.6}.detail{margin-top:10px}.tags{min-height:0;gap:4px}.tags span{padding:3px 5px}.result-head{margin:16px 0 12px}.product{border-radius:10px}.layout{gap:22px}.copy .category{font-size:11px}@media(max-width:1250px){#grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1000px){#grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:430px){#grid{grid-template-columns:1fr}}