:root{--bg:#f7f7f5;--fg:#1b1b1b;--muted:#777;--accent:#2563eb;--card:#fff;--border:#e7e7e4}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--fg);line-height:1.75}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header{position:sticky;top:0;background:rgba(247,247,245,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:10}
.nav{max-width:840px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;flex-wrap:wrap;gap:8px}
.brand{font-weight:700;font-size:18px;color:var(--fg);letter-spacing:.3px}
.nav nav a{margin-left:16px;color:var(--muted);font-size:15px}
.nav nav a.active,.nav nav a:hover{color:var(--accent)}
main{max-width:840px;margin:0 auto;padding:34px 20px 80px;min-height:60vh}
h1,h2{font-family:Georgia,"Songti SC","Noto Serif SC",serif;line-height:1.3}
h1{font-size:30px;margin:.2em 0 .7em}
.lead{color:var(--muted);font-size:16px;margin-bottom:26px}
.post-list{list-style:none;padding:0;margin:0}
.post-list li{padding:18px 0;border-bottom:1px solid var(--border)}
.post-list a{font-weight:600;font-size:18px}
.post-list .date{color:var(--muted);font-size:13px;display:block;margin-top:3px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;margin:16px 0;box-shadow:0 2px 10px rgba(0,0,0,.03)}
audio{width:100%;margin-top:10px}
.track{padding:16px 0;border-bottom:1px solid var(--border)}
.track:last-child{border-bottom:0}
.track h3{margin:0 0 2px;font-size:16px}
.track .meta{color:var(--muted);font-size:13px}
.dl{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.dl:last-child{border-bottom:0}
.dl .name{font-weight:600}
.dl .sub{color:var(--muted);font-size:13px}
.btn{display:inline-block;background:var(--accent);color:#fff!important;padding:9px 16px;border-radius:9px;font-size:14px;white-space:nowrap}
.btn:hover{opacity:.9;text-decoration:none}
footer{max-width:840px;margin:0 auto;padding:26px 20px 40px;color:var(--muted);font-size:13px;border-top:1px solid var(--border)}
article p{margin:0 0 16px}
blockquote{margin:0 0 16px;padding:8px 16px;border-left:3px solid var(--accent);color:var(--muted);background:#f0f4ff;border-radius:0 8px 8px 0}