:root{
  --ink:#15181a;
  --ink-soft:#4b5257;
  --line:#e5e8e6;
  --bg:#ffffff;
  --bg-alt:#f6f8f7;
  --accent:#1f635c;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:-apple-system,"Segoe UI","Helvetica Neue",Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:17px;
  line-height:1.7;
}
.wrap{max-width:720px;margin:0 auto;padding:0 24px}
header{
  position:sticky;
  top:0;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:600;font-size:16px;color:var(--ink);text-decoration:none}
.back{font-size:14px;font-weight:600;color:var(--accent);text-decoration:none}
.eyebrow{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
  margin:48px 0 14px;
}
article h1{
  font-size:clamp(30px,4.5vw,42px);
  font-weight:600;
  letter-spacing:-0.02em;
  line-height:1.15;
  margin-bottom:28px;
}
article h2{font-size:24px;font-weight:600;letter-spacing:-0.01em;margin:40px 0 12px}
article h3{font-size:19px;font-weight:600;margin:28px 0 10px}
article p{margin-bottom:18px;color:var(--ink)}
article ul,article ol{margin:0 0 18px 24px}
li{margin-bottom:8px}
article a{color:var(--accent)}
blockquote{
  border-left:3px solid var(--accent);
  padding:4px 0 4px 18px;
  color:var(--ink-soft);
  margin-bottom:18px;
}
.sources{
  margin-top:40px;
  border-top:1px solid var(--line);
  padding-top:16px;
  font-size:13.5px;
  color:var(--ink-soft);
}
.sources a{word-break:break-all}
article img{display:block;max-width:78%;width:auto;height:auto;max-height:340px;margin:26px auto 8px}
.img-pair{display:flex;gap:14px;justify-content:center;align-items:flex-start;margin:26px auto 8px}
.img-pair img{margin:0;max-width:calc(50% - 7px);max-height:400px}
@media (max-width:640px){.img-pair{flex-direction:column;align-items:center}.img-pair img{max-width:100%}}
.caption{font-size:13.5px;color:var(--ink-soft);text-align:center;font-style:italic;margin:0 0 24px}
@media (max-width:640px){article img{max-width:100%}}
details.expand{border:1px solid var(--line);background:var(--bg-alt);margin:0 0 18px}
details.expand summary{cursor:pointer;font-weight:600;padding:12px 16px;list-style:none}
details.expand summary::-webkit-details-marker{display:none}
details.expand summary::before{content:"+";color:var(--accent);font-weight:700;margin-right:10px}
details.expand[open] summary::before{content:"-"}
details.expand .exp-body{padding:2px 16px 14px}
details.expand .exp-body p:last-child{margin-bottom:0}
.post-likes{margin-top:40px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-soft)}
.post-likes .heart{color:var(--accent)}
.comments{margin-top:64px;border-top:1px solid var(--line);padding-top:36px}
.comments h2{font-size:22px;font-weight:600;letter-spacing:-0.01em;margin:0 0 4px}
.comments .c-count{font-size:13px;color:var(--ink-soft);margin-bottom:20px}
.c-item{border-bottom:1px solid var(--line);padding:18px 0 16px}
.c-item:last-of-type{border-bottom:none}
.c-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.c-name{font-weight:600;font-size:15px}
.c-author-badge{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);padding:2px 8px}
.c-meta{font-size:12px;color:var(--ink-soft)}
.c-item p{margin:0 0 6px;font-size:15px;color:var(--ink)}
.c-likes{font-size:12.5px;color:var(--ink-soft)}
.c-likes .heart{color:var(--accent)}
.c-empty{font-size:14.5px;color:var(--ink-soft);padding:2px 0}
.c-soon{margin-top:22px;border:1px solid var(--line);background:var(--bg-alt);padding:14px 18px;font-size:13.5px;color:var(--ink-soft)}
footer{
  border-top:1px solid var(--line);
  margin-top:72px;
  padding:28px 0;
  font-size:13.5px;
  color:var(--ink-soft);
}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot a{color:var(--ink-soft)}
article{padding-bottom:8px}