:root{--bg:#E9ECEE;--surface:#F7F8F9;--text:#0E1216;--text2:#5C6670;--tick:#B9C1C8}
@media (prefers-color-scheme:dark){:root{--bg:#0F1214;--surface:#181C20;--text:#F1F3F5;--text2:#8B96A0;--tick:#2E353C}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 24px 80px}
.wm{display:flex;align-items:flex-end;gap:10px;font-weight:700;font-size:26px;letter-spacing:-1px;margin-bottom:36px;color:var(--text);text-decoration:none}
.wm i{display:inline-block;width:2px;height:8px;background:var(--tick);border-radius:1px;margin-right:4px}.wm i:first-child{height:13px}.wm b{display:inline-block;width:3px;height:18px;background:var(--text);border-radius:2px}
h1{font-size:34px;letter-spacing:-1.2px;line-height:1.15;margin:0 0 6px}h2{font-size:20px;letter-spacing:-.4px;margin:36px 0 8px}h3{font-size:16px;margin:22px 0 4px}
.meta{color:var(--text2);font-size:14px;margin:0 0 28px}p,li{color:var(--text)}.muted{color:var(--text2)}
nav.lang{display:flex;gap:14px;font-size:14px;margin-bottom:28px}nav.lang a{color:var(--text2)}
section+section{border-top:1px solid var(--tick);margin-top:48px;padding-top:8px}
a{color:var(--text)}footer{margin-top:56px;color:var(--text2);font-size:13px}