/* ============================================================
   留白 LIUBAI — 纸感极简 · 灰白高级
   ============================================================ */
:root{
  --bg:#f5f4f1;
  --surface:#ffffff;
  --ink:#141413;
  --ink-2:#41413e;
  --muted:#8b8b84;
  --line:#e2e1db;
  --line-2:#efeee9;
  --accent:#a8382a;
  --serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
  --max:1440px;
  --pad:40px;
}

*{box-sizing:border-box}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
input{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:rgba(168,56,42,.15)}

/* ── 页头 ─────────────────────────────── */
.hd{
  position:sticky;top:0;z-index:60;
  background:rgba(245,244,241,.9);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line);
}
.hd-in{
  max-width:var(--max);margin:0 auto;padding:0 var(--pad);height:78px;
  display:grid;grid-template-columns:auto auto 1fr;grid-template-areas:"brand nav search";
  align-items:center;gap:38px;
}
.brand{grid-area:brand;display:flex;flex-direction:column;gap:3px;line-height:1;padding:4px 0}
.brand-cn{font-family:var(--serif);font-size:25px;letter-spacing:.26em;color:var(--ink)}
.brand-en{font-size:8.5px;letter-spacing:.5em;color:var(--muted);text-transform:uppercase}

.nav{grid-area:nav;display:flex;align-items:center;gap:26px}
.nav-i{
  position:relative;font-size:13px;letter-spacing:.06em;color:var(--muted);
  padding:6px 0;transition:color .2s;display:inline-flex;align-items:center;gap:5px;
}
.nav-i::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-i:hover{color:var(--ink)}
.nav-i.is-on{color:var(--ink)}
.nav-i.is-on::after{transform:scaleX(1)}
.nav-num{font-size:10px;color:var(--muted);letter-spacing:0}

.search{
  grid-area:search;justify-self:end;
  display:flex;align-items:center;gap:8px;
  width:100%;max-width:300px;height:36px;
  border-bottom:1px solid var(--line);transition:border-color .25s;
}
.search:focus-within{border-color:var(--ink)}
.s-ico{width:16px;height:16px;color:var(--muted);flex:none;transition:color .25s}
.search:focus-within .s-ico{color:var(--ink)}
#q{flex:1;min-width:0;border:0;background:none;outline:none;font-size:13px;letter-spacing:.02em}
#q::placeholder{color:#a9a9a2}
#q::-webkit-search-cancel-button{display:none}
.s-clr{width:20px;height:20px;display:grid;place-items:center;color:var(--muted);flex:none}
.s-clr svg{width:12px;height:12px}
.s-clr:hover{color:var(--ink)}

/* ── 分类条 ───────────────────────────── */
.catbar{border-top:1px solid var(--line-2);overflow:hidden}
.catbar-in{
  max-width:var(--max);margin:0 auto;padding:0 var(--pad);
  display:flex;gap:24px;align-items:center;
  height:46px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.catbar-in::-webkit-scrollbar{display:none}
.cat{
  position:relative;flex:none;font-size:12.5px;letter-spacing:.06em;color:var(--muted);
  padding:13px 0;white-space:nowrap;transition:color .2s;
}
.cat::after{
  content:"";position:absolute;left:0;right:0;bottom:10px;height:1px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.cat:hover{color:var(--ink-2)}
.cat.is-on{color:var(--ink)}
.cat.is-on::after{transform:scaleX(1)}

/* ── 主区 ─────────────────────────────── */
.main{max-width:var(--max);margin:0 auto;padding:38px var(--pad) 96px;min-height:60vh}

.sec-hd{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding-bottom:16px;margin-bottom:28px;border-bottom:1px solid var(--line);
}
.sec-hd h2{
  margin:0;flex:1 1 auto;min-width:0;font-family:var(--serif);font-weight:400;font-size:23px;letter-spacing:.1em;
}
.sec-hd h2 em{font-style:normal;color:var(--accent)}
.sec-meta{font-size:11.5px;letter-spacing:.05em;color:var(--muted);white-space:nowrap}
.sec-meta b{font-weight:500;color:var(--ink-2);font-variant-numeric:tabular-nums}
.sec-tools{display:flex;align-items:center;gap:18px}
.tool-btn{font-size:11.5px;letter-spacing:.06em;color:var(--muted);transition:color .2s}
.tool-btn:hover{color:var(--accent)}

/* ── 卡片网格 ─────────────────────────── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(178px,1fr));gap:32px 20px}

.card{position:relative;cursor:pointer;outline:none}
.card:focus-visible .thumb{outline:1px solid var(--ink);outline-offset:3px}
.thumb{
  position:relative;aspect-ratio:2/3;background:#e8e7e2;overflow:hidden;
  border-radius:2px;
}
.thumb img{
  width:100%;height:100%;object-fit:cover;opacity:0;
  transition:opacity .5s ease,transform .7s cubic-bezier(.2,.7,.2,1);
  background:#e8e7e2;
}
.thumb img.in{opacity:1}
.card:hover .thumb img{transform:scale(1.045)}
.thumb::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.22),rgba(0,0,0,0) 34%);
  opacity:.9;pointer-events:none;
}
.idx{
  position:absolute;top:8px;left:9px;z-index:2;
  font-family:var(--serif);font-size:11.5px;letter-spacing:.08em;color:#fff;
  opacity:.72;text-shadow:0 1px 3px rgba(0,0,0,.45);
}
.rm{
  position:absolute;left:8px;bottom:8px;z-index:2;
  font-size:10px;letter-spacing:.06em;color:var(--ink-2);
  background:rgba(255,255,255,.92);padding:2px 6px;border-radius:1px;
  max-width:calc(100% - 16px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.fav{
  position:absolute;top:6px;right:6px;z-index:3;
  width:29px;height:29px;border-radius:50%;
  background:rgba(255,255,255,.86);color:var(--ink-2);
  display:grid;place-items:center;
  opacity:0;transform:translateY(-2px);transition:opacity .22s,transform .22s,background .22s,color .22s;
}
.fav svg{width:15px;height:15px}
.card:hover .fav,.fav.is-on{opacity:1;transform:none}
.fav:hover{background:#fff}
.fav.is-on{background:var(--accent);color:#fff}
.fav.is-on svg{fill:currentColor}
.play-hint{
  position:absolute;inset:0;display:grid;place-items:center;z-index:2;
  opacity:0;transition:opacity .25s;pointer-events:none;
}
.card:hover .play-hint{opacity:1}
.play-hint span{
  width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.92);display:grid;place-items:center;
  box-shadow:0 6px 22px rgba(0,0,0,.18);
}
.play-hint svg{width:18px;height:18px;color:var(--ink);margin-left:2px}

.c-name{
  margin-top:10px;font-size:13px;line-height:1.55;letter-spacing:.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.c-sub{
  margin-top:5px;display:flex;gap:8px;align-items:center;
  font-size:11px;color:var(--muted);letter-spacing:.03em;
}
.c-sub span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.c-sub i{font-style:normal;color:#cfcec8}

/* ── 分页 ─────────────────────────────── */
.pager{
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;gap:4px;flex-wrap:wrap;
}
.pg{
  min-width:34px;height:34px;padding:0 9px;border-radius:2px;
  font-size:12.5px;letter-spacing:.04em;color:var(--ink-2);
  border:1px solid transparent;transition:.2s;font-variant-numeric:tabular-nums;
}
.pg:hover{border-color:var(--line);background:var(--surface)}
.pg.is-on{background:var(--ink);color:#f7f6f3;border-color:var(--ink)}
.pg[disabled]{opacity:.3;cursor:default;border-color:transparent;background:none}
.pg-gap{color:var(--muted);padding:0 2px;font-size:12px}
.pager-info{margin-left:14px;font-size:11px;color:var(--muted);letter-spacing:.04em}

/* ── 空态 / 骨架 ──────────────────────── */
.empty{padding:96px 20px;text-align:center}
.empty svg{width:40px;height:40px;color:#c9c8c2;margin-bottom:22px;stroke-width:1}
.empty h3{font-family:var(--serif);font-weight:400;font-size:19px;letter-spacing:.1em;margin:0 0 8px}
.empty p{margin:0 0 24px;font-size:12.5px;color:var(--muted);letter-spacing:.03em}
.empty-btn{
  display:inline-block;padding:9px 22px;border:1px solid var(--ink);border-radius:2px;
  font-size:12.5px;letter-spacing:.12em;transition:.22s;
}
.empty-btn:hover{background:var(--ink);color:#f7f6f3}

.sk{
  aspect-ratio:2/3;border-radius:2px;
  background:linear-gradient(100deg,#e9e8e3 20%,#f1f0ec 40%,#e9e8e3 62%);
  background-size:220% 100%;animation:shimmer 1.5s infinite linear;
}
@keyframes shimmer{0%{background-position:120% 0}100%{background-position:-40% 0}}

/* ── 播放浮层 ─────────────────────────── */
.pmask{
  position:fixed;inset:0;z-index:90;
  background:rgba(20,20,19,.76);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  display:grid;place-items:center;padding:28px;overflow:auto;
  animation:fade .22s ease;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.pbox{
  width:min(1040px,100%);background:var(--surface);border-radius:3px;
  box-shadow:0 30px 80px rgba(0,0,0,.35);overflow:hidden;
  display:flex;flex-direction:column;max-height:calc(100vh - 56px);
  animation:rise .28s cubic-bezier(.2,.8,.2,1);
}
@keyframes rise{from{transform:translateY(12px);opacity:.6}to{transform:none;opacity:1}}
.phead{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 22px 14px;border-bottom:1px solid var(--line-2);
}
.phead-t{min-width:0}
#pTitle{
  margin:0;font-family:var(--serif);font-weight:400;font-size:18px;line-height:1.45;
  letter-spacing:.03em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.pmeta{margin-top:7px;display:flex;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted);letter-spacing:.05em}
.pmeta b{font-weight:400;color:var(--ink-2)}
.phead-b{display:flex;gap:8px;flex:none}
.pico{
  width:33px;height:33px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);transition:.2s;background:var(--surface);
}
.pico svg{width:15px;height:15px}
.pico:hover{border-color:var(--ink);color:var(--ink)}
#pFav.is-on{background:var(--accent);border-color:var(--accent);color:#fff}
#pFav.is-on svg{fill:currentColor}

.pvideo{position:relative;background:#0b0b0a;aspect-ratio:16/9;max-height:56vh;flex:none}
.pvideo video{width:100%;height:100%;display:block;background:#0b0b0a}
.pfall{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:9px;padding:24px;text-align:center;color:#d9d6cf;background:rgba(11,11,10,.94);
}
.pfall svg{width:34px;height:34px;opacity:.65}
.pfall p{margin:0;font-size:13.5px;letter-spacing:.04em}
.pfall small{font-size:11.5px;color:#8d8a83;line-height:1.7;max-width:44ch}
.pf-btns{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap;justify-content:center}
.pf-btns button,.pf-btns a{
  font-size:11.5px;letter-spacing:.06em;padding:8px 16px;border-radius:2px;
  border:1px solid rgba(255,255,255,.3);color:#fff;transition:.2s;
}
.pf-btns button:hover,.pf-btns a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}

.pbody{padding:16px 22px 22px;overflow:auto}
.peps{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px}
.ep{
  font-size:12px;letter-spacing:.04em;padding:6px 12px;border-radius:2px;
  border:1px solid var(--line);color:var(--ink-2);background:var(--surface);transition:.18s;
}
.ep:hover{border-color:var(--ink-2)}
.ep.is-on{background:var(--ink);border-color:var(--ink);color:#f7f6f3}
.pdesc{
  margin:0;font-size:12.5px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;
}

/* ── 提示条 ───────────────────────────── */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,8px);z-index:120;
  background:var(--ink);color:#f7f6f3;font-size:12.5px;letter-spacing:.06em;
  padding:10px 18px;border-radius:2px;opacity:0;transition:.25s;pointer-events:none;
  box-shadow:0 10px 30px rgba(0,0,0,.22);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ── 页脚 ─────────────────────────────── */
.ft{border-top:1px solid var(--line);background:rgba(255,255,255,.35)}
.ft-in{max-width:var(--max);margin:0 auto;padding:30px var(--pad) 40px}
.ft-l{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.ft-brand{font-family:var(--serif);font-size:14px;letter-spacing:.22em}
.ft-brand i{font-style:normal;font-size:9px;letter-spacing:.4em;color:var(--muted);margin-left:4px}
.ft-age{font-size:9.5px;letter-spacing:.1em;border:1px solid var(--line);color:var(--muted);padding:1px 5px;border-radius:1px}
.ft-note{margin:0;font-size:11px;color:var(--muted);letter-spacing:.03em;line-height:1.9}

/* ── 响应式 ───────────────────────────── */
@media (max-width:1080px){
  :root{--pad:26px}
  .hd-in{gap:24px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:26px 16px}
}

@media (max-width:760px){
  :root{--pad:18px}
  .hd-in{
    height:auto;padding:13px var(--pad) 11px;gap:0 16px;
    grid-template-columns:1fr auto;grid-template-areas:"brand nav" "search search";
  }
  .brand-cn{font-size:21px;letter-spacing:.22em}
  .brand-en{font-size:7.5px}
  .nav{gap:20px}
  .nav-i{font-size:12.5px}
  .search{justify-self:stretch;max-width:none;margin-top:12px;height:34px}
  .catbar-in{height:42px;gap:19px}
  .cat{font-size:12px;padding:11px 0}
  .cat::after{bottom:8px}
  .main{padding:24px var(--pad) 70px}
  .sec-hd{margin-bottom:20px;padding-bottom:12px;flex-wrap:wrap;row-gap:7px}
  .sec-hd h2{font-size:18.5px;flex:1 1 100%}
  .sec-meta{white-space:normal}
  .sec-tools{width:100%;justify-content:space-between}
  .sec-meta{font-size:10.5px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 12px}
  .c-name{font-size:12.5px;margin-top:8px}
  .c-sub{font-size:10px}
  .fav{opacity:1;transform:none;width:26px;height:26px}
  .fav svg{width:13px;height:13px}
  .play-hint{display:none}
  .pager{margin-top:36px;padding-top:20px}
  .pg{min-width:31px;height:31px;font-size:12px}
  .pager-info{width:100%;text-align:center;margin:10px 0 0}
  .pmask{padding:0}
  .pbox{width:100%;height:100%;max-height:100vh;border-radius:0}
  .pvideo{aspect-ratio:16/9;max-height:none;margin-top:auto}
  .phead{padding:14px 16px 12px}
  #pTitle{font-size:15.5px}
  .pmeta{gap:9px;font-size:10.5px}
  .pbody{padding:14px 16px 26px}
  .pdesc{-webkit-line-clamp:6}
  .ft-in{padding:24px var(--pad) 32px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}