:root{--bg:#EEF2F1;--paper:#fff;--ink:#132A26;--sub:#51645F;--line:#D5DFDC;--accent:#0B5F52}
@media (prefers-color-scheme:dark){:root{--bg:#0E1917;--paper:#162522;--ink:#E4EEEB;--sub:#9AAEA9;--line:#2A3C38;--accent:#5CC2AE}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans KR",-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;line-height:1.7;word-break:keep-all;-webkit-font-smoothing:antialiased}
main{max-width:720px;margin:0 auto;padding:40px 20px 64px}
h1{font-size:30px;margin:0 0 6px}h2{font-size:19px;margin:32px 0 8px}
.sub{color:var(--sub)}a{color:var(--accent)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin-top:20px}
ul{padding-left:20px}li{margin:4px 0}
table{width:100%;border-collapse:collapse;font-size:15px}td,th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
footer{margin-top:40px;font-size:14px;color:var(--sub)}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 20px;border-radius:12px;font-weight:600;margin-top:12px}