:root{
  --blue:#0068a8;--blue-d:#00548a;--blue-x:#0d3050;--orange:#e87518;
  --ink:#0b1e2e;--text:#273b4e;--muted:#68798c;--line:#dfe7ef;--line2:#edf1f6;
  --bg:#f4f7fa;--white:#fff;
  --font:"PingFang SC","Microsoft YaHei","微软雅黑","Hiragino Sans GB",Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.ch-nav{background:var(--blue-x);color:#cfe0ee;font-size:13px;position:sticky;top:0;z-index:60;box-shadow:0 1px 0 rgba(0,0,0,.15)}
.ch-nav .wrap{display:flex;align-items:center;gap:22px;height:52px}
.ch-nav a{opacity:.9}
.ch-nav a:hover{opacity:1;color:#fff}
.ch-nav .logo{display:flex;align-items:center;gap:9px;font-weight:700;color:#fff;font-size:15px}
.ch-nav .logo i{width:26px;height:26px;border-radius:5px;background:var(--blue);display:grid;place-items:center;font-style:normal;font-size:14px}
.ch-nav .sp{flex:1}
.ch-nav .lang{display:flex;border:1px solid rgba(255,255,255,.28);border-radius:4px;overflow:hidden}
.ch-nav .lang button{background:none;border:0;color:#cfe0ee;font:inherit;padding:4px 10px;cursor:pointer}
.ch-nav .lang button.on{background:#fff;color:var(--blue-x);font-weight:700}

/* 面包屑 / 标题 */
.crumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumb b{color:var(--text);font-weight:600}
.hd{padding:14px 0 22px;border-bottom:1px solid var(--line)}
.hd h1{margin:0 0 8px;font-size:27px;color:var(--ink);letter-spacing:.3px}
.hd h1 span{font-size:13px;color:var(--muted);font-weight:400;margin-left:10px}
.hd p{margin:0;color:var(--muted);font-size:14px;line-height:1.75;max-width:860px}

/* 卖点条 */
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.pill{font-size:12px;padding:5px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--blue-d);display:inline-flex;align-items:center;gap:5px}
.pill i{font-style:normal;color:var(--orange);font-weight:700}
.pill.soft{background:#f0f6fb;border-color:#cfe3f2}

/* 工具条 */
.tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:18px 0 6px}
.sbox{flex:1;min-width:240px;position:relative}
.sbox input{width:100%;padding:11px 14px 11px 38px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:14px;background:#fff;outline:none}
.sbox input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,104,168,.1)}
.sbox svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);opacity:.4}
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;font:inherit;font-size:13px;color:var(--text);cursor:pointer;transition:.15s}
.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn.pri{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.btn.pri:hover{background:var(--blue-d);color:#fff}

/* 筛选项 */
.facets{padding:6px 0 4px}
.fhead{display:flex;justify-content:space-between;align-items:center;padding:2px 0 6px}
.fhead .ft{font-size:13px;font-weight:600;color:var(--ink)}
.fhead #reset{font-size:13px;color:var(--blue);cursor:pointer;user-select:none}
.fhead #reset:hover{text-decoration:underline}
.active-bar{display:none;flex-wrap:wrap;gap:8px;align-items:center;padding:0 0 10px}
.active-bar.on{display:flex}
.active-bar .lab{font-size:12px;color:var(--muted)}
.a-chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:4px 6px 4px 10px;border-radius:999px;background:#eef5fb;border:1px solid #cfe3f3;color:var(--ink);cursor:pointer;user-select:none}
.a-chip b{font-weight:400;color:var(--blue)}
.a-chip .x{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:rgba(13,48,80,.12);font-size:11px;line-height:1;color:var(--ink)}
.a-chip:hover .x{background:var(--red,#c0392b);color:#fff}
.frow{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line2)}
.frow:last-child{border:0}
.frow>label{flex:0 0 68px;font-size:13px;color:var(--muted);padding-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{font-size:13px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--text);transition:.12s;user-select:none}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.chip .n{opacity:.5;font-size:11px;margin-left:5px;font-style:normal;font-variant-numeric:tabular-nums}
.chip.on .n{opacity:.75}
.chip-none{font-size:12.5px;color:var(--muted);padding:5px 0}

/* 网格 */
.meta-bar{display:flex;justify-content:space-between;align-items:center;padding:16px 0 12px;font-size:13px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:16px;padding-bottom:40px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.18s;display:block;cursor:pointer}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(13,48,80,.16);border-color:var(--blue)}
.card .th{aspect-ratio:3/4;background:#f2f4f7;overflow:hidden;position:relative}
.card .th img{width:100%;height:100%;object-fit:cover}
.card .th .ph{display:none;position:absolute;inset:0;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:12px;text-align:center}
.card .th.img-fail .ph{display:flex}
.card .th.img-fail img{display:none}
.card .th .ph .pc{font-family:Consolas,Menlo,monospace;font-size:13px;color:var(--blue);letter-spacing:.4px}
.card .th .ph .pn{font-size:12px;color:var(--muted)}
.card .th .ph .pt{font-size:11px;color:var(--muted);opacity:.8}
.card .mb{padding:10px 12px 12px}
.card .nm{font-size:14px;color:var(--ink);font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .sub{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.card .dot{width:8px;height:8px;border-radius:50%;border:1px solid rgba(0,0,0,.12);flex:0 0 auto}
.card .code{font-family:Consolas,Menlo,monospace;font-size:12px;color:var(--blue);letter-spacing:.4px;margin-top:6px}
.empty{text-align:center;padding:52px 24px;color:var(--muted);font-size:14px;border:1px dashed var(--line2);border-radius:12px;margin:12px 0 40px}
.empty .em-t{font-size:15px;color:var(--ink);margin-bottom:8px;font-weight:600}
.empty .em-b{display:flex;gap:12px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.empty .em-btn{display:inline-block;padding:9px 22px;border-radius:8px;font-size:13.5px;text-decoration:none;cursor:pointer;transition:.15s}
.empty .em-btn.pri{background:var(--blue);color:#fff}
.empty .em-btn.pri:hover{filter:brightness(1.08)}
.empty .em-btn.sec{border:1px solid var(--blue);color:var(--blue);background:#fff}
.empty .em-btn.sec:hover{background:#f2f8fd}

/* 单品页 */
.pdp{display:grid;grid-template-columns:1fr 400px;gap:34px;padding:26px 0 50px;align-items:start}
@media(max-width:900px){.pdp{grid-template-columns:1fr;gap:22px}}
.big{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;position:relative}
.big img{width:100%;border-radius:6px}
.big .zoom{position:absolute;right:24px;bottom:24px;background:rgba(11,30,46,.72);color:#fff;font-size:12px;padding:5px 10px;border-radius:5px;pointer-events:none}
.info h2{margin:0 0 6px;font-size:15px;color:var(--muted);font-weight:500}
.info .name{font-size:26px;color:var(--ink);font-weight:700;margin:0 0 10px}
.codebox{display:flex;align-items:center;gap:10px;background:#f0f6fb;border:1px solid #cfe3f2;border-radius:8px;padding:12px 14px;margin-bottom:16px}
.codebox b{font-family:Consolas,Menlo,monospace;font-size:19px;color:var(--blue-d);letter-spacing:1px}
.codebox span{font-size:12px;color:var(--muted);margin-left:auto}
table.spec{width:100%;border-collapse:collapse;font-size:13.5px;margin-bottom:18px}
table.spec th,table.spec td{padding:9px 10px;border-bottom:1px solid var(--line2);text-align:left;vertical-align:top}
table.spec th{width:96px;color:var(--muted);font-weight:500;background:#fafcfd}
table.spec td{color:var(--text)}
.act{display:flex;flex-direction:column;gap:9px}
.act .btn{justify-content:center;width:100%;padding:12px}
.act .row2{display:flex;gap:9px}
.act .row2 .btn{flex:1}
.qr-wrap{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;text-align:center;margin-top:4px}
.qr-wrap.on{display:block}
.qr-wrap img{width:180px;height:180px;margin:0 auto 8px;image-rendering:pixelated}
.qr-wrap p{margin:0;font-size:12px;color:var(--muted);line-height:1.6}
.tip{font-size:12px;color:var(--muted);line-height:1.7;background:#fbfcfd;border-left:3px solid var(--orange);padding:10px 12px;border-radius:0 6px 6px 0;margin-top:16px}

/* 相关花色 */
.rel{padding:0 0 56px}
.rel h3{font-size:17px;color:var(--ink);margin:0 0 16px;padding-top:26px;border-top:1px solid var(--line)}
.rel .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}

/* 空分类承接 */
.soon{background:#fff;border:1px solid var(--line);border-radius:12px;padding:56px 30px;text-align:center;margin:30px 0 60px}
.soon .ic{font-size:40px;margin-bottom:14px}
.soon h2{margin:0 0 12px;font-size:21px;color:var(--ink)}
.soon p{margin:0 auto 22px;color:var(--muted);font-size:14px;line-height:1.8;max-width:560px}

/* 页脚 */
.ch-foot{background:var(--blue-x);color:#a9c3d6;font-size:13px;padding:30px 0 20px;line-height:1.9}
.ch-foot .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.ch-foot a{color:#cfe0ee}
.ch-foot .fl{display:flex;gap:16px;flex-wrap:wrap}

/* 浮动操作 */
.fab{position:fixed;right:22px;bottom:26px;display:flex;flex-direction:column;gap:8px;z-index:70}
.fab button{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;box-shadow:0 6px 18px rgba(13,48,80,.16);cursor:pointer;font-size:17px;display:grid;place-items:center;color:var(--blue-d)}
.fab button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.toast{position:fixed;left:50%;bottom:38px;transform:translate(-50%,20px);background:rgba(11,30,46,.92);color:#fff;font-size:13px;padding:10px 18px;border-radius:7px;opacity:0;pointer-events:none;transition:.22s;z-index:99}
.toast.on{opacity:1;transform:translate(-50%,0)}
.disc{font-size:12px;color:var(--muted);line-height:1.7;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:0 0 26px}
.disc b{color:var(--orange)}
.lang-hide{display:none!important}

/* 打印：二维码物料 */
@media print{.ch-nav,.ch-foot,.fab,.tools,.facets,.crumb{display:none}}