:root{
  --bg:#faf7f4; --panel:#ffffff; --ink:#1c1613; --ink2:#5f544d; --ink3:#8d817a;
  --line:#e6ded6; --line2:#d6cabf;
  --red:#9b2226; --red2:#c2454a; --gold:#a97b2f; --jade:#356a5b;
  --shadow:0 1px 2px rgba(28,22,19,.06), 0 8px 24px rgba(28,22,19,.07);
  --radius:14px;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#14100e; --panel:#1e1917; --ink:#f0e9e3; --ink2:#b6a89f; --ink3:#8a7c73;
    --line:#302825; --line2:#403631;
    --red:#e0656a; --red2:#f08a8e; --gold:#d9a94f; --jade:#6fb39c;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 28px rgba(0,0,0,.45);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:15px/1.65 "Songti SC","Noto Serif CJK SC","PingFang SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
a{color:inherit}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(180deg,rgba(155,34,38,.07),transparent 70%);
  border-bottom:1px solid var(--line); padding:26px 0 0;
  position:sticky; top:0; z-index:40;
  backdrop-filter:saturate(1.4) blur(14px);
  background-color:color-mix(in srgb, var(--bg) 88%, transparent);
}
.brandline{display:flex;gap:16px;align-items:center}
.seal{
  width:46px;height:46px;flex:none;border-radius:8px;background:var(--red);color:#fff;
  display:grid;place-items:center;font-size:26px;font-weight:700;
  box-shadow:0 2px 10px rgba(155,34,38,.35); letter-spacing:0;
}
h1{margin:0;font-size:24px;letter-spacing:.02em;font-weight:700}
.sub{margin:3px 0 0;color:var(--ink2);font-size:13px;letter-spacing:.01em}
.tabs{display:flex;gap:4px;margin-top:20px}
.tab{
  appearance:none;border:0;background:none;cursor:pointer;color:var(--ink2);
  font:inherit;font-size:14px;padding:10px 16px;border-bottom:2px solid transparent;
  border-radius:8px 8px 0 0;
}
.tab:hover{color:var(--ink);background:color-mix(in srgb,var(--ink) 4%,transparent)}
.tab.active{color:var(--red);border-bottom-color:var(--red);font-weight:600}
.tab em{font-style:normal;opacity:.6;font-size:12px;margin-left:4px}

/* ---------- views ---------- */
.view{display:none;padding:26px 24px 60px}
.view.active{display:block}

/* ---------- controls ---------- */
.controls{margin-bottom:22px}
.searchrow{display:flex;gap:10px}
input[type=search]{
  flex:1;padding:13px 16px;border:1px solid var(--line2);border-radius:11px;
  background:var(--panel);color:var(--ink);font:inherit;font-size:15px;
}
input[type=search]:focus{outline:2px solid var(--red);outline-offset:-1px;border-color:transparent}
button.ghost,button.primary{
  border-radius:11px;border:1px solid var(--line2);background:var(--panel);color:var(--ink2);
  font:inherit;padding:0 18px;cursor:pointer;white-space:nowrap;
}
button.primary{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
button.ghost:hover{border-color:var(--red);color:var(--red)}
button.primary:hover{background:var(--red2);border-color:var(--red2)}

.filters{display:grid;gap:10px;margin-top:16px}
.fgroup{display:flex;gap:12px;align-items:flex-start}
.flabel{
  flex:none;width:64px;padding-top:5px;font-size:12px;color:var(--ink3);
  letter-spacing:.08em;
}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  border:1px solid var(--line2);background:var(--panel);color:var(--ink2);
  border-radius:999px;padding:4px 13px;font-size:12.5px;cursor:pointer;
  transition:.12s; user-select:none;
}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.on{background:var(--red);border-color:var(--red);color:#fff;font-weight:600}
.chip .n{opacity:.55;font-size:11px;margin-left:4px}
.chip.on .n{opacity:.75}

.sortrow{display:flex;gap:18px;align-items:center;margin-top:16px;flex-wrap:wrap;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink2)}
select{
  font:inherit;font-size:13px;padding:6px 9px;border-radius:8px;
  border:1px solid var(--line2);background:var(--panel);color:var(--ink);margin-left:6px;
}
.toggle{display:flex;gap:6px;align-items:center;cursor:pointer}
.count{margin-left:auto;color:var(--ink3);font-size:12.5px}
.hint{font-size:12.5px;color:var(--ink3);margin:14px 0 0;line-height:1.7}

/* ---------- grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);cursor:pointer;
  transition:transform .16s, box-shadow .16s, border-color .16s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:0 4px 12px rgba(28,22,19,.1),0 16px 40px rgba(28,22,19,.12);border-color:var(--line2)}

.coverbox{
  position:relative;aspect-ratio:2/3;background:var(--bg);
  display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line);
}
.coverbox img{width:100%;height:100%;object-fit:cover;display:block}
/* generated fallback cover */
.gcover{
  /* top padding clears the absolutely-positioned language badge */
  width:100%;height:100%;padding:46px 18px 22px;display:flex;flex-direction:column;
  justify-content:space-between;color:#fff;position:relative;overflow:hidden;
}
.gcover::after{
  content:"";position:absolute;inset:9px;border:1px solid rgba(255,255,255,.32);
  border-radius:2px;pointer-events:none;
}
.gcover .gt{font-size:17px;line-height:1.35;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.3)}
.gcover .gm{font-size:11px;opacity:.85;letter-spacing:.1em;text-transform:uppercase}
.gcover .gp{font-size:11.5px;opacity:.9}

.badge{
  position:absolute;top:10px;left:10px;background:rgba(0,0,0,.72);color:#fff;
  font-size:10.5px;letter-spacing:.09em;padding:3px 8px;border-radius:5px;
  text-transform:uppercase;backdrop-filter:blur(4px);
}
.pricetag{
  position:absolute;bottom:10px;right:10px;background:var(--gold);color:#fff;
  font-size:13px;font-weight:700;padding:4px 10px;border-radius:7px;
  box-shadow:0 2px 8px rgba(0,0,0,.25);
}
.pricetag.ask{background:rgba(0,0,0,.62);font-weight:500;font-size:11.5px;backdrop-filter:blur(4px)}

.cbody{padding:14px 15px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.ctitle{font-size:14.5px;font-weight:600;line-height:1.4;margin:0}
.czh{font-size:12.5px;color:var(--ink2);margin:0}
.cmeta{font-size:11.5px;color:var(--ink3);margin-top:auto;padding-top:8px;line-height:1.6}
.cmeta b{color:var(--ink2);font-weight:500}

.tag{
  display:inline-block;font-size:10.5px;padding:2px 7px;border-radius:4px;
  border:1px solid var(--line2);color:var(--ink2);margin-right:4px;
}
.tag.price{background:color-mix(in srgb,var(--gold) 15%,transparent);border-color:var(--gold);color:var(--gold)}
.tag.nop{background:none}
.tag.full{border-color:var(--jade);color:var(--jade)}
.tag.study{border-color:var(--gold);color:var(--gold)}
.tag.fiction{border-color:var(--red2);color:var(--red2)}
.tag.art{border-color:var(--jade);color:var(--jade)}
.tag.youth{border-color:var(--jade);color:var(--jade)}

.empty{text-align:center;color:var(--ink3);padding:60px 20px;font-size:14px}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:100}
.drawer-bg{position:absolute;inset:0;background:rgba(20,14,12,.55);backdrop-filter:blur(3px);animation:fade .2s}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(620px,100%);
  background:var(--panel);border-left:1px solid var(--line);
  overflow-y:auto;padding:30px 34px 60px;animation:slide .24s cubic-bezier(.2,.7,.3,1);
}
@keyframes fade{from{opacity:0}}
@keyframes slide{from{transform:translateX(30px);opacity:0}}
.drawer-x{
  position:sticky;top:0;float:right;margin:-8px -14px 0 0;
  border:0;background:none;font-size:30px;line-height:1;color:var(--ink3);cursor:pointer;
}
.drawer-x:hover{color:var(--red)}

.dhead{display:flex;gap:20px;margin-bottom:24px}
.dhead .coverbox{width:150px;flex:none;border-radius:9px;border:1px solid var(--line);aspect-ratio:2/3}
.dtitle{font-size:20px;line-height:1.35;margin:0 0 4px;font-weight:700}
.dzh{font-size:14px;color:var(--ink2);margin:0 0 12px}
.dprice{font-size:22px;font-weight:700;color:var(--gold);margin:8px 0 2px}
.dprice small{font-size:11.5px;font-weight:400;color:var(--ink3);display:block;margin-top:3px}

.dsec{margin:24px 0 0;padding-top:20px;border-top:1px solid var(--line)}
.dsec h3{font-size:12px;letter-spacing:.12em;color:var(--ink3);margin:0 0 12px;text-transform:uppercase;font-weight:600}
.dl{display:grid;grid-template-columns:88px 1fr;gap:7px 14px;font-size:13.5px}
.dl dt{color:var(--ink3);font-size:12.5px}
.dl dd{margin:0;color:var(--ink)}
.dtext{font-size:13.5px;line-height:1.85;color:var(--ink2);margin:0}
.shops{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:8px}
.shop{
  display:flex;flex-direction:column;gap:1px;padding:10px 12px;border:1px solid var(--line2);
  border-radius:9px;text-decoration:none;transition:.12s;background:var(--bg);
}
.shop:hover{border-color:var(--red);background:color-mix(in srgb,var(--red) 6%,var(--panel))}
.shop b{font-size:13px;font-weight:600}
.shop span{font-size:11px;color:var(--ink3)}
.shop::after{content:"实时查价 →";font-size:10.5px;color:var(--red);margin-top:3px}

@media (max-width:640px){
  .wrap{padding:0 16px}
  .view{padding:20px 16px 50px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
  .drawer-panel{padding:24px 20px 50px}
  .dhead{flex-direction:column}
  .dhead .coverbox{width:120px}
  .flabel{width:48px;font-size:11px}
  h1{font-size:19px}
}
.foot{padding:24px;border-top:1px solid var(--line);color:var(--ink3);font-size:12px;text-align:center}