/* ink+6.85+0.00 / compact */
:root{--bg:#ffffff;--fg:#1c2126;--muted:#667085;--accent:#2f6f55;--line:#e6e8eb;--soft:#f0f4f2;--code:#f2f5f3}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--fg);
  font:16px/1.78 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:9}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:60px;gap:12px;flex-wrap:wrap}
.brand{font-weight:600;font-size:14px;color:var(--fg);letter-spacing:.01em}
.site-header nav a{margin-left:18px;font-size:14px;color:var(--muted)}
.site-header nav a:hover{color:var(--accent)}
main{padding:40px 0 8px}
.hero{padding:12px 0 30px;border-bottom:1px solid var(--line)}
.hero h1{margin:0 0 12px;font-size:26px;font-weight:600}
.lead{margin:0;color:var(--muted);max-width:60ch}
h2{margin:0 0 16px;font-size:18px;font-weight:600}
ul.posts{list-style:none;margin:0;padding:0}
ul.posts .item{padding:20px 0;border-bottom:1px solid var(--line)}
ul.posts .item:last-child{border-bottom:0}
ul.posts .item>a{font-size:17px;font-weight:600;color:var(--fg);border-bottom:1px solid transparent}
ul.posts .item>a:hover{color:var(--accent);border-bottom-color:currentColor;text-decoration:none}
.meta{margin:6px 0 0;font-size:13px;color:var(--muted)}
.sum{margin:8px 0 0;font-size:14.5px;color:var(--muted);max-width:62ch}
.article h1{margin:0 0 10px;font-size:25px;font-weight:600;line-height:1.4}
.crumb{margin:0 0 18px;font-size:13px;color:var(--muted)}
.summary{margin:14px 0 26px;color:var(--muted);font-size:15px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article h2{margin:30px 0 12px;font-size:17px}
.article p{margin:0 0 15px;max-width:66ch}
.backlink{margin:34px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:14px}
.site-footer{border-top:1px solid var(--line);padding:24px 0 42px;margin-top:16px}
.site-footer p{margin:0;font-size:13px;color:var(--muted)}
/* 版式差异 */
body.lay-sidebar .wrap{max-width:820px}
body.lay-sidebar .site-header nav{margin-left:auto}
body.lay-sidebar ul.posts .item{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:14px;border-bottom:1px solid var(--line)}
body.lay-compact main{padding-top:30px}
body.lay-compact .hero{padding-bottom:22px}
body.lay-compact ul.posts .item{padding:15px 0}
body.lay-compact .article p{max-width:70ch}
@media (max-width:520px){
  .hero h1{font-size:22px}
  .article h1{font-size:21px}
  .site-header nav a{margin-left:0;margin-right:16px}
}