:root{
  --bg:#f5f6f8;
  --card:#fff;
  --line:#e8eaef;
  --txt:#1c1f26;
  --dim:#8a90a0;
  --brand:#ff4d4f;
  --brand2:#ff7a45;
  --green:#12b76a;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
  --radius:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);
  font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}

/* ---------- top ---------- */
.topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);
  padding:10px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;line-height:1.15;min-width:120px}
.logo{font-size:17px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(95deg,var(--brand),var(--brand2));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.sub{font-size:11px;color:var(--dim);margin-top:2px}
.searchbox{position:relative;flex:1;min-width:220px;max-width:560px}
.searchbox input{width:100%;height:40px;border:1px solid var(--line);background:#f7f8fa;
  border-radius:999px;padding:0 40px 0 16px;font-size:14px;outline:none;transition:.18s}
.searchbox input:focus{background:#fff;border-color:#ffc9c9;box-shadow:0 0 0 3px rgba(255,77,79,.09)}
.qclear{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:#e9ebf0;
  color:#666;width:22px;height:22px;border-radius:50%;cursor:pointer;font-size:11px;line-height:1}
.notice{font-size:11.5px;color:#b26a00;background:#fff8e6;border:1px solid #ffe6b0;
  padding:5px 10px;border-radius:8px;white-space:nowrap}

/* ---------- layout ---------- */
.layout{display:flex;gap:16px;padding:16px;align-items:flex-start;max-width:1560px;margin:0 auto}
.sidebar{width:210px;flex:0 0 210px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);position:sticky;top:76px;max-height:calc(100vh - 96px);overflow:auto}
.side-head{padding:12px 14px;font-weight:700;font-size:13px;color:var(--dim);border-bottom:1px solid var(--line);
  letter-spacing:.5px}
.catnav{padding:6px}
.catnav .c1{display:flex;justify-content:space-between;align-items:center;gap:6px;padding:9px 10px;
  border-radius:9px;cursor:pointer;font-weight:600;font-size:13.5px;color:#2c3038}
.catnav .c1:hover{background:#f5f6f8}
.catnav .c1.active{background:#fff1f0;color:var(--brand)}
.catnav .c1 .n{font-size:10.5px;color:var(--dim);background:#f2f3f6;border-radius:20px;padding:1px 7px}
.catnav .c1.active .n{background:#ffd8d6;color:var(--brand)}
.catnav .kids{margin:2px 0 6px 8px;padding-left:8px;border-left:1px dashed #e6e8ee;display:none}
.catnav .kids.open{display:block}
.catnav .c2{padding:6px 9px;border-radius:8px;cursor:pointer;font-size:12.5px;color:#5a6070;
  display:flex;justify-content:space-between;gap:6px}
.catnav .c2:hover{background:#f5f6f8;color:#222}
.catnav .c2.active{background:#fff1f0;color:var(--brand);font-weight:600}
.catnav .c2 .n{font-size:10px;color:var(--dim)}

.main{flex:1;min-width:0}
.crumbs{font-size:12.5px;color:var(--dim);margin:2px 2px 10px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.crumbs b{color:#2c3038;font-weight:600}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.count{font-size:12.5px;color:var(--dim)}
.count b{color:var(--brand);font-size:14px}
.sort{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--dim)}
.sbtn{border:1px solid var(--line);background:#fff;color:#4a505e;border-radius:8px;padding:5px 11px;
  font-size:12.5px;cursor:pointer;transition:.15s}
.sbtn:hover{border-color:#ffc9c9;color:var(--brand)}
.sbtn.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:11px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  cursor:pointer;display:flex;flex-direction:column;transition:.18s;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#ffd8d6}
.tagsrow{display:flex;gap:4px;flex-wrap:wrap}
.tag{font-size:10.5px;padding:2px 7px;color:#fff;background:var(--brand);border-radius:6px}
.tag.gray{background:#98a2b3}
.tag.green{background:var(--green)}
.body{padding:11px 12px 13px;display:flex;flex-direction:column;gap:7px;flex:1}
.name{font-size:13.5px;font-weight:600;line-height:1.42;color:#22262e;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-all}
.path{font-size:10.5px;color:var(--dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prices{display:flex;align-items:baseline;gap:6px;margin-top:auto;flex-wrap:wrap}
.pnow{color:var(--brand);font-weight:800;font-size:16px;letter-spacing:-.2px}
.pnow small{font-size:11px;font-weight:700;margin-right:1px}
.pold{color:#a8aebb;font-size:11.5px;text-decoration:line-through}
.unit{font-size:10.5px;color:var(--dim)}
.pnote{font-size:10px;color:#c0c4cf}

.empty{padding:70px 0;text-align:center;color:var(--dim);font-size:13.5px}
.more{text-align:center;padding:18px 0 4px}
.more button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 26px;
  font-size:13px;color:#4a505e;cursor:pointer}
.more button:hover{border-color:var(--brand);color:var(--brand)}
.foot{margin:22px 0 8px;text-align:center;font-size:11.5px;color:#b0b5c1}
.foot b{color:var(--brand)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:100}
.drawer-mask{position:absolute;inset:0;background:rgba(16,24,40,.48);backdrop-filter:blur(2px)}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(560px,94vw);background:#fff;
  overflow:auto;box-shadow:-8px 0 32px rgba(16,24,40,.18);animation:slide .22s ease}
@keyframes slide{from{transform:translateX(30px);opacity:.4}to{transform:none;opacity:1}}
.drawer-close{position:absolute;right:12px;top:12px;border:0;background:#f2f3f6;color:#666;width:30px;height:30px;
  border-radius:50%;cursor:pointer;font-size:13px;z-index:2}
.d-head{padding:20px 22px 16px;border-bottom:1px solid var(--line)}
.d-head .d-info{width:100%}
.d-title{font-size:16px;font-weight:700;line-height:1.4;margin:0 0 6px;padding-right:26px}
.d-meta{font-size:11.5px;color:var(--dim);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.d-meta span{background:#f5f6f8;border-radius:6px;padding:2px 7px}
.d-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.d-price .pnow{font-size:22px}
.d-body{padding:18px 22px 40px;font-size:13.5px;color:#33383f;line-height:1.75}
.d-body h4{margin:18px 0 8px;font-size:13.5px;color:#111;border-left:3px solid var(--brand);padding-left:9px}
.d-body img{max-width:100%;height:auto;border-radius:10px}
.d-body table{width:100%;border-collapse:collapse;font-size:12.5px}
.d-body td,.d-body th{border:1px solid var(--line);padding:6px 8px}
.d-body p{margin:6px 0}
.d-body span{font-size:inherit!important}
.price-note{background:#f7f8fa;border:1px dashed var(--line);border-radius:10px;padding:11px 13px;
  font-size:12px;color:#5a6070;line-height:1.7;margin-top:6px}
.price-note b{color:var(--brand)}

/* ---------- mobile ---------- */
@media (max-width:860px){
  .topbar{padding:9px 12px;gap:9px}
  .notice{display:none}
  .brand{min-width:auto;flex-direction:row;align-items:baseline;gap:8px}
  .logo{font-size:16px}
  .sub{font-size:10.5px;margin-top:0}
  .searchbox{min-width:100%;max-width:none;order:3}
  .searchbox input{height:38px;font-size:15px}
  .layout{padding:8px;gap:8px;flex-direction:row;align-items:flex-start}
  .sidebar{display:block;width:104px;flex:0 0 104px;position:sticky;top:64px;
    max-height:calc(100vh - 76px);border-radius:10px}
  .side-head{padding:9px 8px;font-size:11.5px}
  .catnav{padding:4px}
  .catnav .c1{padding:8px 6px;font-size:12px;font-weight:600;line-height:1.3}
  .catnav .c1 .n{display:none}
  .catnav .kids{margin:2px 0 4px 4px;padding-left:5px}
  .catnav .c2{padding:6px 5px;font-size:11px;line-height:1.3}
  .catnav .c2 .n{display:none}
  .crumbs{font-size:12px;margin-bottom:8px}
  .bar{margin-bottom:10px;gap:8px}
  .grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .main{flex:1;min-width:0}
  .body{padding:10px 11px 12px;gap:6px}
  .name{font-size:13px;line-height:1.38}
  .path{font-size:10px}
  .pnow{font-size:15.5px}
  .pold{font-size:11px}
  .sbtn{padding:6px 12px;font-size:12.5px}
  .more button{width:100%;padding:12px 0;font-size:14px}
  .foot{font-size:11px;margin:18px 0 6px}
  /* 抽屉全屏 */
  .drawer-panel{width:100vw;border-radius:0}
  .d-head{padding:16px 16px 14px}
  .d-title{font-size:15px}
  .d-price .pnow{font-size:20px}
  .d-body{padding:14px 16px 46px;font-size:14px}
  .drawer-close{right:10px;top:10px;width:34px;height:34px;font-size:15px}
}

@media (max-width:390px){
  .grid{grid-template-columns:1fr;gap:8px}
  .name{-webkit-line-clamp:3}
  .layout{padding:8px}
}

/* ---------- tablet ---------- */
@media (min-width:861px) and (max-width:1200px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}
  .sidebar{width:180px;flex:0 0 180px}
}

/* ---------- mobile refinements ---------- */
@supports (padding:max(0px)){
  @media (max-width:860px){
    .layout{padding-left:max(10px,env(safe-area-inset-left));padding-right:max(10px,env(safe-area-inset-right))}
    .topbar{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}
    .d-body{padding-bottom:calc(46px + env(safe-area-inset-bottom))}
  }
}
@media (max-width:860px){
  html{-webkit-text-size-adjust:100%}
  .topbar{position:sticky}
  .grid{-webkit-overflow-scrolling:touch}
  .card:hover{transform:none;box-shadow:0 1px 2px rgba(16,24,40,.04)}
  .card:active{transform:scale(.985)}
  .drawer-panel{animation:slideup .2s ease}
  @keyframes slideup{from{transform:translateY(24px);opacity:.5}to{transform:none;opacity:1}}
}