:root{
  --ink:#0b1d33;
  --ink2:rgba(11,29,51,.72);
  --ink3:rgba(11,29,51,.55);
  --line:rgba(11,29,51,.14);
  --accent:#185fa5;
  --up:#bf3a2e;
  --dn:#15795f;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:#cbdaeb}
body{
  margin:0;min-height:100vh;color:var(--ink);
  font:17px/1.85 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background-color:#cbdaeb;
  background-image:linear-gradient(180deg,#86addf 0%,#a4c0e5 34%,#bed1e9 68%,#cbdaeb 100%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:680px;margin:0 auto;padding:44px 22px 56px}

.site-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px;margin-bottom:32px}
.brand{font-family:var(--mono);font-size:22px;font-weight:700;letter-spacing:.08em;color:var(--ink);text-decoration:none}
.brand:hover{color:var(--accent)}
.sub{font-size:12.5px;letter-spacing:.02em;color:var(--ink3)}

.intro{margin:0 0 26px;font-size:14px;line-height:1.8;color:var(--ink2)}
.empty{margin:40px 0;font-size:14px;color:var(--ink3)}

.posts{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.posts li{border-bottom:1px solid var(--line)}
.posts a{display:flex;align-items:baseline;gap:14px;padding:13px 2px;text-decoration:none;color:var(--ink)}
.posts time{flex:0 0 auto;font-family:var(--mono);font-size:12.5px;letter-spacing:.01em;color:var(--ink3);font-variant-numeric:tabular-nums}
.posts .t{flex:1 1 auto;font-size:15.5px;line-height:1.5}
.posts a:hover .t{color:var(--accent)}
.pct{flex:0 0 auto;font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums}
.pct.up{color:var(--up)}
.pct.dn{color:var(--dn)}

.post-head h1{margin:0 0 10px;font-size:27px;font-weight:700;line-height:1.45;letter-spacing:.01em}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;margin-bottom:28px;font-family:var(--mono);font-size:12.5px;color:var(--ink3)}
.meta .pct{font-size:13px}
.meta .tags{font-family:inherit;color:var(--ink3)}

.post-body{font-size:17px;line-height:1.95;color:var(--ink)}
.post-body h2{margin:36px 0 14px;padding-bottom:8px;font-size:19px;font-weight:700;border-bottom:1px solid var(--line)}
.post-body h3{margin:26px 0 8px;font-size:16.5px;font-weight:700}
.post-body p{margin:0 0 18px}
.post-body a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(24,95,165,.35)}
.post-body a:hover{border-bottom-color:var(--accent)}
.post-body strong{font-weight:700}
.post-body ul,.post-body ol{margin:0 0 18px;padding-left:22px}
.post-body li{margin:5px 0}
.post-body blockquote{margin:0 0 18px;padding:2px 0 2px 16px;border-left:3px solid rgba(24,95,165,.35);color:var(--ink2)}
.post-body code{font-family:var(--mono);font-size:.88em;background:rgba(255,255,255,.5);padding:1px 5px;border-radius:4px}
.post-body pre{margin:0 0 20px;padding:14px 16px;background:rgba(255,255,255,.55);border:1px solid var(--line);border-radius:10px;overflow:auto;font-size:13.5px;line-height:1.7}
.post-body pre code{background:none;padding:0}
.post-body table{width:100%;margin:0 0 22px;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
.post-body th,.post-body td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left}
.post-body th{font-size:12.5px;font-weight:600;letter-spacing:.04em;color:var(--ink3)}
.post-body th:not(:first-child),.post-body td:not(:first-child){text-align:right}
.post-body th.n,.post-body td.n{text-align:right;font-family:var(--mono)}
.post-body hr{margin:32px 0;border:0;border-top:1px solid var(--line)}

.disclaimer{margin:36px 0 0;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.42);font-size:12.5px;line-height:1.75;color:var(--ink2)}

.pager{display:flex;justify-content:space-between;gap:20px;margin:32px 0 0;font-size:13.5px;line-height:1.6}
.pager a{color:var(--ink2);text-decoration:none}
.pager a:hover{color:var(--accent)}
.pager .next{margin-left:auto;text-align:right}
.back{margin:28px 0 0;font-size:13px}
.back a{color:var(--ink3);text-decoration:none}
.back a:hover{color:var(--accent)}

footer{margin-top:54px;padding-top:18px;border-top:1px solid var(--line);font-size:11.5px;line-height:1.9;color:rgba(11,29,51,.62);letter-spacing:.02em}
footer .sep{margin:0 7px;color:rgba(11,29,51,.3)}
footer a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(11,29,51,.22)}
footer a:hover{color:rgba(11,29,51,.85);border-bottom-color:rgba(11,29,51,.55)}

@media (max-width:520px){
  .wrap{padding:32px 18px 44px}
  .brand{font-size:19px}
  .sub{font-size:11.5px}
  .posts a{gap:10px;padding:11px 0}
  .posts .t{font-size:14.5px}
  .posts time{font-size:11.5px}
  .pct{font-size:12px}
  .post-head h1{font-size:23px}
  .post-body{font-size:16px;line-height:1.9}
  .post-body table{font-size:12.5px;letter-spacing:-.01em}
  .post-body th,.post-body td{padding:6px 4px}
  .post-body th{font-size:11.5px;letter-spacing:0}
}