:root{
  --bg:#FAF7F0;
  --paper:#fffdf8;
  --paper-2:#fff8ed;
  --ink:#221f1a;
  --muted:#746a5f;
  --line:#E8E0D2;
  --green:#2E6B47;
  --green-2:#1f7a4d;
  --orange:#D07830;
  --orange-2:#C25E2A;
  --gold:#B8963E;
  --shadow:0 18px 50px rgba(48,35,18,.10);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.site-nav{position:sticky;top:0;z-index:50;height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:rgba(250,247,240,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-nav .brand{font-weight:800;color:#173f2b;letter-spacing:.04em;font-family:"Songti SC",STSong,serif;font-size:20px;white-space:nowrap}.site-nav .links{display:flex;gap:12px;align-items:center;color:#665a4d;font-size:14px}.site-nav .links a,.site-nav .links button{border:0;background:transparent;color:#665a4d;font:inherit;padding:7px 12px;border-radius:999px;cursor:pointer}.site-nav .links a.active,.site-nav .links button.active,.site-nav .links a:hover,.site-nav .links button:hover{background:#e8f3ec;color:var(--green);font-weight:700}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}.hero{padding:56px 24px 34px;text-align:center}.kicker{color:var(--gold);font-weight:700;letter-spacing:.42em;font-size:14px;margin-bottom:14px}.hero h1{font-size:58px;line-height:1.06;margin:0 0 14px;color:#153b28;font-family:"Songti SC",STSong,serif;letter-spacing:.12em}.hero .subtitle{font-size:22px;color:#8d5a2c;letter-spacing:.16em;margin-bottom:12px}.hero .author{color:var(--muted);font-size:16px;margin-bottom:22px}.hero .rule{width:54px;height:3px;background:var(--gold);border-radius:2px;margin:0 auto 24px}.hero .intro{max-width:760px;margin:0 auto;color:#4f463d;font-size:17px;line-height:1.95}.actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-width:128px;padding:12px 22px;border-radius:999px;border:1px solid rgba(46,107,71,.24);background:var(--green);color:white;font-weight:800;box-shadow:0 10px 24px rgba(46,107,71,.18)}.btn.secondary{background:transparent;color:var(--green)}.btn.orange{background:linear-gradient(135deg,var(--orange),var(--orange-2));border-color:transparent}.section{padding:32px 0}.section h2{font-family:"Songti SC",STSong,serif;font-size:30px;margin:0 0 18px;color:#173f2b}.book-card,.panel{background:rgba(255,253,248,.92);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:26px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.info{border-left:4px solid var(--green);background:linear-gradient(135deg,#fffdf8,#f7fbf7)}.info h3{margin:0 0 8px;color:#173f2b}.info p{margin:0;color:#5a5147}.toc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.toc-part-card{grid-column:1/-1;background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;border-radius:15px;padding:12px 16px;font-weight:800;letter-spacing:.05em}.toc-chapter-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 16px;color:#453b31;box-shadow:0 8px 20px rgba(48,35,18,.05)}.toc-chapter-card:hover{border-color:rgba(46,107,71,.35);color:var(--green)}.footer{padding:34px 24px;text-align:center;color:#9a948a;font-size:13px}.footer a{text-decoration:underline;text-underline-offset:3px}.reader-tools{position:sticky;top:56px;z-index:45;display:flex;align-items:center;gap:10px;padding:10px 18px;background:rgba(250,247,240,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.reader-tools button,.reader-tools a{border:0;border-radius:999px;padding:8px 14px;background:#e8f3ec;color:var(--green);font-weight:800;font-size:14px;text-decoration:none;line-height:1;white-space:nowrap}.reader-tools .chapter-now{flex:1;min-width:0;color:#8b7d6a;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:right}.reader-shell{display:grid;grid-template-columns:290px 1fr;min-height:calc(100vh - 56px)}.reader-toc{position:sticky;top:105px;height:calc(100vh - 105px);overflow:auto;border-right:1px solid var(--line);background:#fffaf1;padding:18px}.reader-toc h3{margin:0 0 14px;color:#173f2b;font-family:"Songti SC",STSong,serif;font-size:24px}.reader-toc button{display:block;width:100%;text-align:left;border:0;margin:0 0 9px;padding:11px 12px;border-radius:12px;background:#fff;border:1px solid #eee4d6;color:#51473d;font-family:inherit;font-size:15px;line-height:1.45;cursor:pointer}.reader-toc button.part{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;border-color:transparent;font-weight:800;text-align:center;cursor:default}.reader-toc button.active{border-color:rgba(46,107,71,.45);background:#e8f3ec;color:var(--green);font-weight:800}.reader-main{padding:32px 24px 90px}.reader-article{max-width:820px;margin:0 auto;background:var(--paper);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:44px 52px;min-height:60vh;font-family:"Noto Serif SC","Songti SC",STSong,"SimSun",serif;font-size:20px;line-height:2.05}.reader-article h1{font-size:34px;line-height:1.38;text-align:center;margin:0 0 30px;font-family:"Songti SC",STSong,serif;color:#1d1b18}.reader-article h2{font-size:25px;line-height:1.45;margin:32px 0 16px;color:#8d5a2c;font-family:"Songti SC",STSong,serif}.reader-article h3{font-size:22px;line-height:1.45;margin:30px 0 14px;color:#173f2b;font-family:"Songti SC",STSong,serif}.reader-article p{text-indent:2em;margin:0 0 1em}.part-intro{margin:0 0 34px;padding:24px 26px;border-radius:20px;background:linear-gradient(135deg,#fff8ed,#fffdf8);border:1px solid #ead6bf;border-left:5px solid var(--orange)}.part-intro h2{text-align:center;margin-top:0;color:#8d4b1d}.reader-controls{max-width:820px;margin:18px auto 0;display:flex;justify-content:space-between;align-items:center;gap:12px}.reader-controls button{border:1px solid rgba(46,107,71,.28);background:#fffaf1;color:var(--green);border-radius:999px;padding:10px 20px;cursor:pointer;font-weight:800}.reader-controls button:disabled{opacity:.38}.audio-page{background:linear-gradient(180deg,#23160f,#3a2619);color:#fff;min-height:100vh}.audio-page .site-nav{background:#fffaf1;color:var(--ink)}.audio-page .site-nav .links a{color:#665a4d}.audio-wrap{max-width:980px;margin:0 auto;padding:40px 20px 80px}.audio-hero{text-align:center;margin-bottom:28px}.audio-hero h1{font-size:44px;margin:0 0 8px;letter-spacing:.08em;font-family:"Songti SC",STSong,serif}.audio-hero .voice{color:#e9d4b0;font-size:17px}.player{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:26px;padding:26px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.now-title{text-align:center;font-size:26px;margin-bottom:16px;font-family:"Songti SC",STSong,serif}audio{width:100%;margin:12px 0}.audio-controls,.speed-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:14px 0}.audio-controls button,.speed-btn{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);color:#fff;border-radius:999px;padding:9px 16px;cursor:pointer;font-family:inherit}.speed-btn.active{background:#d1a15f;color:#21150e;font-weight:900}.playlist{margin-top:24px;background:rgba(255,255,255,.07);border-radius:22px;border:1px solid rgba(255,255,255,.12);overflow:hidden}.track{display:block;width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.08);padding:15px 18px;text-align:left;color:#fff;cursor:pointer;font-family:inherit;font-size:16px}.track.active{background:rgba(209,161,95,.24);color:#fff5dd}.track:last-child{border-bottom:0}.reader-article,.reader-toc{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
@media(max-width:860px){
  .site-nav{height:52px;padding:0 14px}.site-nav .brand{font-size:18px}.site-nav .links{gap:4px;font-size:13px}.site-nav .links a,.site-nav .links button{padding:6px 8px}.wrap{padding:0 16px}.hero{padding:40px 16px 26px}.hero h1{font-size:44px}.hero .subtitle{font-size:17px;letter-spacing:.08em}.hero .intro{font-size:16px;text-align:left}.grid,.toc-list{grid-template-columns:1fr}.reader-tools{top:52px;padding:8px 12px;gap:7px;overflow-x:auto}.reader-tools .chapter-now{display:none}.reader-shell{display:block}.reader-toc{display:none;position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);margin:12px 12px 14px;border-radius:18px}.toc-open .reader-toc{display:block}.toc-open .reader-main{display:none}.reader-main{padding:18px 10px 80px}.reader-article{max-width:none;padding:26px 20px;border-radius:22px;font-size:19px;line-height:1.95}.reader-article h1{font-size:30px;line-height:1.35;margin-bottom:24px}.reader-article h2{font-size:23px}.reader-article h3{font-size:21px}.reader-article p{text-align:justify;text-indent:2em}.reader-controls{padding:0 8px}.audio-wrap{padding:30px 14px 70px}.audio-hero h1{font-size:34px}.player{padding:20px 14px}.now-title{font-size:24px}.toc-part-card{padding:10px 14px}.toc-chapter-card{padding:12px 14px}
}