:root{--bg:#F4F6F9;--card:#FFFFFF;--ink:#16191F;--sub:#5A6270;--line:#D8DDE6;--accent:#2F6FED;--link:#1F57C4}
@media (prefers-color-scheme:dark){:root{--bg:#12151A;--card:#1B1F26;--ink:#EEF1F6;--sub:#9AA3B2;--line:#2D333D;--accent:#5B93FF;--link:#8DB4FF}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Hiragino Sans",system-ui,sans-serif;overflow-wrap:break-word;line-break:strict;word-break:auto-phrase}
section[lang=ko]{word-break:keep-all}
main{max-width:720px;margin:0 auto;padding:40px 16px 80px}
.sign{display:inline-block;color:var(--ink);font-weight:800;text-decoration:none;border-bottom:3px solid var(--accent);padding-bottom:2px}
h1{font-size:30px;line-height:1.25;margin:.6em 0 .3em;font-weight:800}
h2{font-size:20px;margin:2em 0 .4em;padding-left:10px;border-left:4px solid var(--accent)}
a{color:var(--link)}
.meta{color:var(--sub);font-size:15px}
.lang{margin:12px 0 0}.lang a{margin-right:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 20px;margin:16px 0}
hr{border:0;border-top:1px solid var(--line);margin:56px 0}
ul{padding-left:1.2em}li{margin:.3em 0}
footer{color:var(--sub);font-size:14px;text-align:center;margin-top:48px}