@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans+KR:wght@400;500;600;700&display=swap");
:root{--blue:#4169FF;--ink:#0A0D14;--line:#e3e6ee;--soft:#f4f6ff}
*{box-sizing:border-box}
body{margin:0;font-family:"IBM Plex Sans KR","Pretendard","Apple SD Gothic Neo","Malgun Gothic",-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:17px;word-break:keep-all}
a{color:var(--blue)}
.wrap{max-width:820px;margin:0 auto;padding-inline:20px}
header.top{border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
header.top img{height:28px;width:auto;display:block}
.nav{display:flex;gap:16px;align-items:center;font-size:15px}
.nav a{color:var(--ink);text-decoration:none}
.btn{display:inline-block;background:var(--blue);color:#fff!important;text-decoration:none;padding:12px 22px;border-radius:10px;font-weight:700;line-height:1.3}
.btn.sm{padding:8px 14px;font-size:14px}
.btn.ghost{background:#fff;color:var(--blue)!important;border:1px solid var(--blue)}
main{padding-block:48px 64px}
h1{font-size:clamp(28px,5vw,40px);line-height:1.3;margin:0 0 16px;letter-spacing:-.01em}
h2{font-size:24px;line-height:1.4;margin:52px 0 12px}
h3{font-size:19px;margin:28px 0 6px}
p{margin:0 0 14px}
.lead{font-size:19px;margin:0 0 24px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
pre{background:#0f172a;color:#fff;padding:16px 18px;border-radius:10px;overflow-x:auto;font-size:14px;line-height:1.7}
code{font-family:"IBM Plex Mono",ui-monospace,Consolas,monospace;font-size:.92em}
p code,li code{background:var(--soft);padding:2px 6px;border-radius:5px}
.tbl{overflow-x:auto;margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--soft)}
.box{background:var(--soft);border-radius:14px;padding:24px;margin:48px 0 0}
.box h2{margin-top:0}
ol,ul{padding-left:22px}
li{margin:6px 0}
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{font-weight:700;cursor:pointer}
details p{margin:10px 0 0}
.related{margin-top:40px}
.related ul{list-style:none;padding:0}
footer{border-top:1px solid var(--line);padding-block:28px;font-size:14px}
footer .links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:8px}
footer a{color:var(--ink)}