/* 易乐的收藏馆 · 全站样式 */
:root{
  --paper:#f6f2ea; --paper-2:#fffdf8; --paper-3:#f1ece1;
  --ink:#1d1a16; --ink-2:#544d43; --ink-3:#8b8175;
  --line:#e2d9c9; --line-2:#efe7d8;
  --accent:#b4471f; --accent-soft:#f3e2d8; --accent-ink:#8d3a18;
  --green:#4a6b52; --green-soft:#e7eee6;
  --shadow:0 18px 34px -22px rgba(29,26,22,.5);
  --serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --max:1100px;
}
[data-theme="dark"]{
  --paper:#15130f; --paper-2:#1d1a15; --paper-3:#221f19;
  --ink:#efe9dd; --ink-2:#c3baab; --ink-3:#9d9484;
  --line:#332e25; --line-2:#2a251e;
  --accent:#e0703f; --accent-soft:#3a2418; --accent-ink:#f0a37e;
  --green:#8fb79a; --green-soft:#22301f;
  --shadow:0 18px 34px -22px rgba(0,0,0,.9);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);line-height:1.75;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;transition:background .25s,color .25s;
  background-image:radial-gradient(circle at 1px 1px,rgba(0,0,0,.045) 1px,transparent 0);background-size:22px 22px}
[data-theme="dark"] body{background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.035) 1px,transparent 0)}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 26px}
#progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:60;background:linear-gradient(90deg,var(--accent),#d98a4e);transition:width .1s linear}

header{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(12px);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;gap:26px;height:70px}
.brand{font-family:var(--serif);font-size:21px;font-weight:700;letter-spacing:1px;display:flex;align-items:center;gap:10px}
.brand .seal{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-size:15px;font-family:var(--serif)}
.nav ul{display:flex;gap:22px;list-style:none;font-size:14.5px;color:var(--ink-2)}
.nav ul a{padding:4px 0;border-bottom:2px solid transparent;transition:.15s}
.nav ul a:hover,.nav ul a.active{color:var(--accent);border-bottom-color:var(--accent)}
.nav .spacer{flex:1}
.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);
  border-radius:999px;padding:8px 14px;background:var(--paper-2);min-width:200px}
.search input{border:none;background:transparent;outline:none;font-size:14px;color:var(--ink);width:100%}
.search input::placeholder{color:var(--ink-3)}
.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--paper-2);
  color:var(--ink-2);display:grid;place-items:center;cursor:pointer;transition:.15s}
.icon-btn:hover{color:var(--accent);border-color:var(--accent)}

.hero{padding:64px 0 30px;position:relative}
.hero .kicker{font-size:12.5px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);font-weight:600}
h1{font-family:var(--serif);font-size:clamp(32px,4.3vw,52px);line-height:1.2;letter-spacing:.5px;margin:16px 0 14px}
.hero p.lede{color:var(--ink-2);font-size:16.5px;max-width:60ch}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.stat{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.stat b{display:block;font-family:var(--serif);font-size:26px;letter-spacing:-.5px}
.stat span{font-size:12.5px;color:var(--ink-3);letter-spacing:.5px}

.chart{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin-top:16px}
.chart .head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}
.chart .head h3{font-family:var(--serif);font-size:17px}
.chart .head span{font-size:12.5px;color:var(--ink-3)}
.bars{display:flex;align-items:flex-end;gap:10px;height:92px}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;height:100%}
.bar i{width:100%;border-radius:5px 5px 2px 2px;background:linear-gradient(180deg,var(--accent),#d98a4e);
  opacity:.85;transition:.2s;min-height:4px}
.bar:hover i{opacity:1}
.bar em{font-style:normal;font-size:11px;color:var(--ink-3)}

/* 年份切换 */
.years{display:flex;gap:8px;margin-top:22px;align-items:center;font-size:13px;color:var(--ink-3)}
.years a{padding:6px 14px;border:1px solid var(--line);border-radius:999px;transition:.15s}
.years a:hover{border-color:var(--accent);color:var(--accent)}
.years a.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.filters{display:flex;gap:10px;flex-wrap:wrap;padding:26px 0 22px;border-bottom:1px solid var(--line);align-items:center}
.chip{font-size:13.5px;color:var(--ink-2);background:transparent;border:1px solid var(--line);
  border-radius:999px;padding:7px 15px;cursor:pointer;transition:.15s;font-family:inherit}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.count{margin-left:auto;font-size:12.5px;color:var(--ink-3)}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:28px 0 6px}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:20px 20px 16px;
  display:flex;flex-direction:column;gap:10px;transition:.18s;position:relative}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.card .top{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--ink-3);flex-wrap:wrap}
.src{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent-ink);
  padding:3px 9px;border-radius:6px;font-weight:600}
.card h3{font-family:var(--serif);font-size:18px;line-height:1.45}
.card p{font-size:14px;color:var(--ink-2)}
.card .bot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:10px;border-top:1px dashed var(--line-2);font-size:12px;color:var(--ink-3)}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{background:var(--paper-3);padding:3px 8px;border-radius:5px;font-size:11.5px;color:var(--ink-2)}
.arrow{color:var(--accent);font-weight:700}
mark{background:var(--accent-soft);color:var(--accent-ink);padding:0 2px;border-radius:3px}

section{padding:46px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:6px;flex-wrap:wrap}
.sec-t{font-family:var(--serif);font-size:26px}
.sec-d{color:var(--ink-3);font-size:14px;margin-bottom:22px}

/* 文章列表（首页） */
.posts{display:flex;flex-direction:column;gap:10px}
.post-row{display:flex;align-items:baseline;gap:16px;padding:16px 18px;border-radius:12px;
  border:1px solid transparent;transition:.15s}
.post-row:hover{background:var(--paper-2);border-color:var(--line)}
.post-row h3{font-family:var(--serif);font-size:19px;flex:1;line-height:1.5}
.post-row .d{font-size:12.5px;color:var(--ink-3);white-space:nowrap}
.post-row .rt{font-size:12px;color:var(--ink-3);white-space:nowrap}

/* 文章页 */
article.post{max-width:760px;margin:0 auto;padding:52px 0 40px}
article.post .meta{font-size:13px;color:var(--ink-3);display:flex;gap:14px;flex-wrap:wrap;margin-bottom:10px}
article.post h1{font-size:clamp(28px,3.6vw,40px);margin:0 0 26px}
article.post .content{font-size:16.5px;color:var(--ink-2);line-height:1.9}
article.post .content p{margin-bottom:18px}
article.post .content h2{font-family:var(--serif);font-size:22px;color:var(--ink);margin:34px 0 12px}
article.post .content em{font-style:normal;background:linear-gradient(transparent 62%,var(--accent-soft) 0);padding:1px 3px;border-radius:3px;color:var(--ink)}
article.post .content blockquote{border-left:3px solid var(--accent);padding:2px 0 2px 16px;color:var(--ink-2);margin:20px 0}
.toc{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:0 0 30px;font-size:14px}
.toc b{display:block;font-size:12.5px;letter-spacing:2px;color:var(--ink-3);margin-bottom:10px;font-weight:600}
.toc ol{margin-left:20px;color:var(--ink-2)}
.toc li{margin:8px 0;line-height:1.65}
.toc a:hover{color:var(--accent)}
.post-nav{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);
  margin-top:36px;padding-top:20px;font-size:14px;flex-wrap:wrap}
.post-nav a{color:var(--accent)}

/* 播客 / 书架 / 时间线 */
.pod{display:flex;flex-direction:column;gap:2px}
.pod .row{display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:center;
  padding:15px 16px;border-radius:12px;transition:.15s;border:1px solid transparent}
.pod .row:hover{background:var(--paper-2);border-color:var(--line)}
.pod .cover{width:52px;height:52px;border-radius:10px;display:grid;place-items:center;
  font-family:var(--serif);font-size:18px;color:#fff;background:linear-gradient(150deg,#7c5a3a,#3f2d1d);
  border:1px solid rgba(0,0,0,.10)}
.pod .row:nth-child(2n) .cover{background:linear-gradient(150deg,#3d5b4a,#20302a)}
.pod .row:nth-child(3n) .cover{background:linear-gradient(150deg,#5a3d52,#2f2030)}
.pod h4{font-size:15.5px;font-weight:650;line-height:1.45}
.pod .meta{font-size:12.5px;color:var(--ink-3);margin-top:3px}
.pod .len{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}

.shelf{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.book{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.18s}
.book:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.book .cover{height:120px;display:grid;place-items:center;font-family:var(--serif);font-size:15px;
  color:#fff;text-align:center;padding:12px;line-height:1.5}
.book:nth-child(1) .cover{background:linear-gradient(160deg,#8a6a4a,#4a3524)}
.book:nth-child(2) .cover{background:linear-gradient(160deg,#4a5b6a,#232e38)}
.book:nth-child(3) .cover{background:linear-gradient(160deg,#6a4a56,#33222a)}
.book:nth-child(4) .cover{background:linear-gradient(160deg,#4a6a52,#22301f)}
.book .info{padding:12px 14px 14px}
.book b{font-size:14px;display:block;line-height:1.5}
.book span{font-size:12px;color:var(--ink-3)}
.book .note{font-size:12.5px;color:var(--ink-2);margin-top:7px;padding-top:7px;border-top:1px dashed var(--line-2)}

.timeline{border-left:2px solid var(--line);padding-left:24px;display:flex;flex-direction:column;gap:20px}
.item{position:relative}
.item::before{content:"";position:absolute;left:-31px;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--paper);border:2px solid var(--accent)}
.item time{font-size:12.5px;color:var(--ink-3);letter-spacing:.6px}
.item h4{font-size:15.5px;margin:3px 0 3px;font-weight:650}
.item p{font-size:14px;color:var(--ink-2)}

.about{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:28px;
  display:grid;grid-template-columns:96px 1fr;gap:24px;align-items:start}
.about .ava{width:96px;height:96px;border-radius:50%;background:linear-gradient(160deg,#e8dccb,#d9c9b1);
  display:grid;place-items:center;font-family:var(--serif);font-size:32px;color:#6b5b45}
.about h3{font-family:var(--serif);font-size:20px;margin-bottom:8px}
.about p{color:var(--ink-2);font-size:14.8px}
.about .links{display:flex;gap:14px;margin-top:14px;font-size:13.5px;color:var(--accent);flex-wrap:wrap}

.sub{margin-top:18px;border:1px solid var(--line);border-radius:16px;padding:24px 26px;
  background:linear-gradient(120deg,var(--accent-soft),transparent 70%);display:flex;
  align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.sub h3{font-family:var(--serif);font-size:19px}
.sub p{font-size:13.5px;color:var(--ink-2);margin-top:4px}
.sub form{display:flex;gap:10px}
.sub input{background:var(--paper-2);border:1px solid var(--line);border-radius:999px;
  padding:11px 18px;color:var(--ink);font-size:14px;min-width:230px;outline:none}
.sub input:focus{border-color:var(--accent)}
.btn{border:1px solid var(--line);background:var(--ink);color:var(--paper);border-radius:999px;
  padding:11px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{opacity:.9}

footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--ink-2);font-size:13px;opacity:.92}
footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
footer .f-links{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
footer a:hover{color:var(--accent)}
footer .top{cursor:pointer}
.f-legal{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-2);font-size:12.5px;
  display:flex;gap:16px;flex-wrap:wrap;color:var(--ink-3)}

#toTop{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:var(--paper);border:none;display:grid;place-items:center;cursor:pointer;
  opacity:0;pointer-events:none;transition:.2s;z-index:40}
#toTop.show{opacity:.92;pointer-events:auto}
#toTop:hover{transform:translateY(-2px)}

@media (max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}.shelf{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){
  .grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav ul{display:none}
  .search{min-width:0;flex:1}
  .about{grid-template-columns:1fr}
  .pod .row{grid-template-columns:44px 1fr;gap:12px}
  .pod .len{grid-column:2}
  .post-row .rt{display:none}
}
.hidden{display:none!important}