:root {
  --bg: #ffffff; --soft: #f6f7f9; --ink: #0f1115; --text: #24282f; --muted: #646b76; --line: #e8eaee; --brand: #ff5a36;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0c0e12; --soft: #12151a; --ink: #f4f5f7; --text: #e3e6ea; --muted: #9aa3b2; --line: #23272f; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.75 "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; letter-spacing: -0.01em; -webkit-font-smoothing: antialiased; }
a { color: var(--brand); }
.top { border-bottom: 1px solid var(--line); }
.top .in, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.top .in { height: 60px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; color: var(--ink); text-decoration: none; }
.logo i { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, #ff7a45, #ff3d2e); }
.top nav { display: flex; gap: 16px; font-size: 14.5px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a[aria-current] { color: var(--ink); font-weight: 700; }
main { padding-top: 40px; padding-bottom: 64px; }
h1 { font-size: 30px; color: var(--ink); letter-spacing: -0.03em; margin: 0 0 6px; }
.meta { color: var(--muted); font-size: 14.5px; margin: 0 0 32px; }
h2 { font-size: 18px; color: var(--ink); margin: 36px 0 8px; }
p, li { margin: 6px 0; }
ol, ul { padding-left: 22px; }
table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: var(--soft); color: var(--ink); white-space: nowrap; }
.box { background: var(--soft); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 16px 0; }
footer { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 48px; font-size: 13.5px; color: var(--muted); }
footer p { margin: 2px 0; }
@media (max-width: 560px) { .top nav { gap: 10px; font-size: 13.5px; } h1 { font-size: 25px; } th { white-space: normal; } }