:root{
  --bg:#f5f6f8; --panel:#ffffff; --ink:#1f2530; --muted:#7a8699;
  --line:#e6e9ef; --brand:#0a1f44; --brand2:#1f6feb; --accent:#e23b3b;
  --chip:#eef2f8; --chip-on:#0a1f44; --card:#ffffff; --shadow:0 1px 3px rgba(16,24,40,.08),0 8px 24px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--ink); -webkit-font-smoothing:antialiased;
}
.topbar{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:14px 22px; background:var(--brand); color:#fff; box-shadow:var(--shadow);
  position:sticky; top:0; z-index:20;
}
.brand{display:flex; align-items:baseline; gap:12px}
.logo{font-weight:800; letter-spacing:2px; font-size:22px}
.brand-sub{font-size:13px; color:#aebfe0}
.meta{font-size:12px; color:#9fb0d6}
.admin-link{margin-left:14px; font-size:12px; color:#cfe0ff; text-decoration:none; border:1px solid rgba(255,255,255,.35); padding:5px 12px; border-radius:999px; white-space:nowrap}
.admin-link:hover{background:rgba(255,255,255,.14)}
.toast{
  position:fixed; right:18px; bottom:18px; z-index:60; display:flex; align-items:center; gap:12px;
  background:#0f172a; color:#fff; padding:11px 12px 11px 16px; border-radius:10px; font-size:13px;
  box-shadow:0 12px 30px rgba(0,0,0,.3);
}
.toast[hidden]{display:none}
.toast button{border:0; background:var(--brand2); color:#fff; font-size:12px; font-weight:700; padding:6px 12px; border-radius:7px; cursor:pointer}
.wrap{max-width:1280px; margin:0 auto; padding:18px 22px 40px}
.search-row{margin:6px 0 14px}
.search-box{
  display:flex; align-items:center; gap:10px; background:var(--panel);
  border:1px solid var(--line); border-radius:12px; padding:11px 14px; box-shadow:var(--shadow);
}
.search-box .ic{width:20px;height:20px;color:var(--muted);flex:0 0 auto}
.search-box input{
  flex:1; border:0; outline:0; font-size:16px; background:transparent; color:var(--ink);
}
.clear-btn{border:0;background:var(--chip);color:var(--muted);width:26px;height:26px;border-radius:50%;font-size:18px;cursor:pointer;line-height:1}
.cats{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:10px}
.cat{
  border:1px solid var(--line); background:var(--chip); color:var(--ink);
  padding:8px 16px; border-radius:999px; cursor:pointer; font-size:14px; font-weight:600;
  display:inline-flex; align-items:center; gap:7px; transition:.15s;
}
.cat:hover{border-color:var(--brand2)}
.cat.on{background:var(--chip-on); color:#fff; border-color:var(--chip-on)}
.cat .n{font-size:12px; opacity:.7; font-weight:700}
.subtypes{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:12px}
.subtype{
  border:1px solid var(--line); background:var(--panel); color:var(--muted);
  padding:4px 11px; border-radius:999px; cursor:pointer; font-size:12px; transition:.15s;
}
.subtype:hover{color:var(--ink)}
.subtype.on{background:var(--brand2); color:#fff; border-color:var(--brand2)}
.resultbar{display:flex; align-items:center; gap:12px; margin:4px 2px 14px; color:var(--muted); font-size:13px}
.resultbar .spacer{flex:1}
.sort select{border:1px solid var(--line); border-radius:8px; padding:5px 8px; background:var(--panel); color:var(--ink); font-size:13px}
.resultbar .chk{display:flex; align-items:center; gap:5px; cursor:pointer; user-select:none; white-space:nowrap}
.resultbar .chk input{width:15px; height:15px; accent-color:#1d6fe0; cursor:pointer}
.refresh-tip{font-size:12px; color:#1d6fe0; background:#eaf2ff; border:1px solid #d3e3ff;
  padding:2px 8px; border-radius:20px; white-space:nowrap}
.refresh-tip[hidden]{display:none}
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:16px}
.card{
  background:var(--card); border:1px solid var(--line); border-radius:14px; overflow:hidden;
  box-shadow:var(--shadow); display:flex; flex-direction:column; transition:.15s;
}
.card:hover{transform:translateY(-2px); box-shadow:0 6px 14px rgba(16,24,40,.12),0 18px 40px rgba(16,24,40,.10)}
.thumb{aspect-ratio:1/1; background:#ffffff; display:flex; align-items:center; justify-content:center; overflow:hidden}
.thumb img{width:100%; height:100%; object-fit:contain; background:#ffffff}
.thumb .ph{color:#b7c0d0; font-size:13px}
.body{padding:12px 13px 14px; display:flex; flex-direction:column; gap:6px; flex:1}
.badges{display:flex; gap:6px; flex-wrap:wrap}
.tag{font-size:11px; padding:2px 8px; border-radius:6px; background:var(--chip); color:var(--muted); font-weight:600}
.tag.cat{background:#e8efff; color:var(--brand2)}
.name{font-weight:700; font-size:15px; line-height:1.3}
.model{font-size:16px; font-weight:700; color:#3c4759; letter-spacing:.2px; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.desc{font-size:12px; color:#5a6679; line-height:1.4;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.price{font-size:17px; font-weight:800; color:var(--accent)}
.price .cur{font-size:12px; font-weight:600; margin-right:1px}
.row2{display:flex; justify-content:space-between; align-items:flex-end; margin-top:auto}
.stock{font-size:12px; color:var(--muted)}
.stock b{font-size:15px; color:var(--ink)}
.stock.zero b{color:var(--accent)}
.wdt-stocks{display:flex; flex-direction:column; align-items:flex-end; gap:3px}
.wdt-badge{font-size:11px; color:var(--muted); line-height:1.25; white-space:nowrap}
.wdt-badge b{font-size:14px; color:var(--ink); margin-left:2px}
.wdt-badge.zero b{color:var(--accent)}
.wdt-badge.muted{color:var(--muted)}
/* 实际库存：灰色低调 */
.wdt-badge.normal{color:#7a869a}
.wdt-badge.normal b{color:#4b5566}
/* 可售库存：蓝色高亮，突出可卖数量 */
.wdt-badge.avail{color:#1d6fe0; font-weight:600}
.wdt-badge.avail b{color:#0b59c9; font-weight:700}
.wdt-badge.avail.zero b{color:var(--accent)}
.wdt-badge.zero{font-weight:600}
.card.big-change{border-color:#ff9f1c; box-shadow:0 0 0 2px #ffe2b8, 0 6px 16px rgba(255,150,0,.20);}
.tag.chg{display:inline-block; margin-left:6px; padding:1px 7px; border-radius:10px; font-size:11px; font-weight:600; background:#fff3e0; color:#c8740a; border:1px solid #ffd9a3;}
.tag.out{display:inline-block; margin-left:6px; padding:1px 7px; border-radius:10px; font-size:11px; font-weight:600; background:#ffe9e9; color:#d23b3b; border:1px solid #ffc9c9;}
.upc{font-size:11px; color:#9aa6ba}
.empty{text-align:center; color:var(--muted); padding:60px 0; font-size:15px}
.foot{padding:18px 22px; color:var(--muted); font-size:12px; text-align:center; border-top:1px solid var(--line); background:var(--panel)}
.foot code{background:var(--chip); padding:1px 6px; border-radius:5px; color:#46506a}
@media (max-width:560px){ .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))} .brand-sub{display:none} }

/* 加载更多（分页，外网慢隧道下避免一次渲染几百张图） */
.more{display:flex;justify-content:center;padding:18px 0 30px}
.more button{
  font:inherit; cursor:pointer; padding:11px 26px; border-radius:999px;
  border:1px solid var(--line); background:var(--panel); color:var(--brand2);
  box-shadow:var(--shadow); transition:.15s;
}
.more button:hover{background:var(--brand2); color:#fff; border-color:var(--brand2)}