:root{
  --bg:#F2F6F4; --surface:#FFFFFF; --fg:#12201D; --muted:#4B5F5A; --line:#D3DEDA;
  --accent:#0C7563; --accent-ink:#FFFFFF; --panel:#0B2B26; --panel-fg:#E9F2EF;
  --f-display:"Bricolage Grotesque","Noto Sans SC",system-ui,sans-serif;
  --f-body:"Source Sans 3","Noto Sans SC",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0C1513; --surface:#121F1C; --fg:#E8F0ED; --muted:#9DB3AD; --line:#24352F;
    --accent:#3CC4A9; --accent-ink:#06201A; --panel:#153129; --panel-fg:#E9F2EF; color-scheme:dark;
  }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:17px;line-height:1.7;padding-inline:clamp(16px,4vw,40px)}
.wrap{max-width:760px;margin-inline:auto;padding-block:20px 64px}
a{color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.mini-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px;border-bottom:1px solid var(--line);margin-bottom:32px;flex-wrap:wrap}
.brand{font-family:var(--f-display);font-weight:700;font-size:1.15rem;text-decoration:none;color:var(--fg)}
.brand small{font-family:var(--f-body);font-weight:600;font-size:0.72rem;color:var(--accent);letter-spacing:0.08em}
.back{text-decoration:none;color:var(--accent);font-weight:600;font-size:0.95rem}
.post h1{font-family:var(--f-display);font-size:clamp(1.9rem,5vw,2.8rem);line-height:1.15;margin:0 0 12px;letter-spacing:-0.01em}
.meta{color:var(--muted);font-size:0.9rem;margin-bottom:28px}
.post h2{font-family:var(--f-display);font-size:1.5rem;margin:34px 0 10px;letter-spacing:-0.01em}
.post p{margin:0 0 16px}
.post ul,.post ol{margin:0 0 16px;padding-left:22px}
.post li{margin-bottom:8px}
.post table{width:100%;border-collapse:collapse;margin:0 0 16px}
.post th,.post td{border:1px solid var(--line);padding:10px;text-align:left;font-size:0.95rem}
.post th{background:var(--surface)}
.post a.inline{color:var(--accent);font-weight:600}
.cta{background:var(--panel);color:var(--panel-fg);border-radius:14px;padding:26px;margin:36px 0;text-align:center}
.cta h3{font-family:var(--f-display);font-size:1.25rem;margin:0 0 8px}
.cta p{color:var(--panel-fg);opacity:0.9}
.btn{display:inline-block;font-weight:600;text-decoration:none;padding:12px 22px;border-radius:8px;background:var(--accent);color:var(--accent-ink);margin-top:10px}
.btn:hover{opacity:0.92}
.posts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.posts li{border:1px solid var(--line);border-radius:12px;padding:18px 20px;background:var(--surface)}
.posts a{text-decoration:none;font-family:var(--f-display);font-size:1.2rem;font-weight:700;color:var(--fg)}
.posts span{display:block;color:var(--muted);margin-top:6px;font-size:0.95rem}
footer{text-align:center;color:var(--muted);font-size:0.85rem;border-top:1px solid var(--line);margin-top:48px;padding-top:24px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}