:root{--bg:#f5f5f7;--card:#fff;--text:#1d1d1f;--sub:#6e6e73;--line:#d2d2d7;--accent:#0071e3}
@media (prefers-color-scheme:dark){:root{--bg:#000;--card:#1c1c1e;--text:#f5f5f7;--sub:#a1a1a6;--line:#38383a;--accent:#2997ff}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR",sans-serif;-webkit-text-size-adjust:100%}
.top{display:flex;align-items:center;gap:10px;max-width:760px;margin:0 auto;padding:max(14px,env(safe-area-inset-top)) 16px 6px}
.back{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;background:var(--card);color:var(--accent);border:1px solid var(--line);transition:transform .2s cubic-bezier(.34,1.56,.64,1)}
.back:active{transform:scale(.94)}
.back svg{width:18px;height:18px}
.brand{font-weight:700;font-size:17px}
.page{color:var(--sub);font-size:15px;padding-left:10px;border-left:1px solid var(--line)}
main{max-width:760px;margin:0 auto;padding:8px 16px max(32px,env(safe-area-inset-bottom))}
.card{background:var(--card);border-radius:18px;padding:22px 20px;margin-top:12px}
h1{font-size:24px;line-height:1.35;margin:0 0 6px}
h2{font-size:17px;margin:20px 0 4px}
p,li{margin:4px 0;color:var(--text)}
.sub{color:var(--sub);font-size:14px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
ul{padding-left:20px;margin:4px 0}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.links a{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--text);text-decoration:none;transition:transform .2s cubic-bezier(.34,1.56,.64,1)}
.links a:active{transform:scale(.95)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}