/* uion journal — shared stylesheet */
:root{
  --paper:#f6f4ef; --ink:#14161a; --muted:#6b6f76; --line:#e0dcd2;
  --acc:#8a6a3b; --card:#fffdf8; --wash:#efeae0; --warn:#a4552f;
}
@media (prefers-color-scheme: dark){
  :root{ --paper:#0f1115; --ink:#eeeae1; --muted:#9aa0a8; --line:#262a31; --acc:#c9a76a; --card:#15181d; --wash:#191d23; --warn:#d08a63; }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper); color:var(--ink);
  font:17px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
a:hover{border-bottom-color:var(--acc)}
header{padding:26px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}
.mark{font-family:Georgia,"Songti SC",serif;font-size:24px;letter-spacing:.14em;border:0}
nav a{border:0;color:var(--muted);font-size:14px;margin-left:20px}
nav a:hover{color:var(--ink)}
nav a[aria-current]{color:var(--ink);font-weight:600}
main{padding:56px 0 20px}
.kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);font-weight:600;margin:0 0 14px}
h1{font-family:Georgia,"Songti SC","Noto Serif SC",serif;font-weight:400;font-size:clamp(30px,4.4vw,42px);line-height:1.24;margin:0 0 16px;letter-spacing:-.01em}
.dek{color:var(--muted);font-size:18px;margin:0 0 22px;max-width:36em}
.byline{font-size:13.5px;color:var(--muted);letter-spacing:.02em;padding-bottom:26px;border-bottom:1px solid var(--line)}
article h2{font-family:Georgia,"Songti SC",serif;font-weight:400;font-size:23px;margin:44px 0 12px;letter-spacing:-.005em}
article h3{font-size:17px;margin:28px 0 8px;font-weight:650}
article p{margin:0 0 18px}
article ul,article ol{margin:0 0 18px;padding-left:22px}
article li{margin:7px 0}
article blockquote{
  margin:26px 0;padding:2px 0 2px 20px;border-left:2px solid var(--acc);
  color:var(--muted);font-size:16px;
}
.data{
  border:1px solid var(--line);border-radius:12px;background:var(--card);
  padding:20px 22px;margin:26px 0;
}
.data table{width:100%;border-collapse:collapse;font-size:14.5px}
.data caption{text-align:left;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.data th,.data td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left;font-variant-numeric:tabular-nums}
.data th{font-weight:600;color:var(--muted);font-size:13px}
.data tr:last-child td{border-bottom:0}
.hz{font-family:"Songti SC","Noto Serif SC",Georgia,serif}
.cite{font-size:13px;color:var(--muted);margin:-6px 0 22px}
.note{
  border-left:2px solid var(--line);padding:2px 0 2px 18px;color:var(--muted);
  font-size:15px;margin:26px 0;
}
.cta{
  border:1px solid var(--line);border-radius:14px;background:var(--card);
  padding:24px;margin:40px 0 10px;
}
.cta p{margin:0 0 14px;color:var(--muted);font-size:15px}
.btn{
  display:inline-block;padding:11px 20px;border-radius:999px;font-size:14.5px;
  background:var(--ink);color:var(--paper);border:1px solid var(--ink);
}
.btn:hover{opacity:.9;border-color:var(--ink)}
.postlist{margin:34px 0 0;padding:0;list-style:none;display:grid;gap:2px}
.postlist li{border-top:1px solid var(--line);padding:22px 0}
.postlist li:last-child{border-bottom:1px solid var(--line)}
.postlist a{border:0}
.postlist h2{font-family:Georgia,"Songti SC",serif;font-weight:400;font-size:21px;margin:0 0 6px;line-height:1.3}
.postlist p{margin:0;color:var(--muted);font-size:15px}
.postlist time{display:block;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--acc);margin-bottom:8px}
footer{padding:40px 0 60px;color:var(--muted);font-size:13.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);margin-top:50px}
footer a{border:0;color:var(--muted);margin-right:18px}
footer a:hover{color:var(--ink)}
@media (max-width:680px){
  header{padding:18px 0}
  nav a{margin-left:12px;font-size:12px}
  /* 手机只留 Chart / Journal —— 与首页同一规则，四栏在 390px 会挤成一团 */
  nav a.nav-w{display:none}
  main{padding:38px 0 10px}
  body{font-size:16px}
}