/* 소개·개인정보처리방침 같은 정적 글 페이지 (앱 색과 맞춤) */
:root { --bg: #13161b; --card: #1c2027; --border: #2a3039; --text: #e9ebf0; --muted: #98a1b0; --accent: #3f7fe0; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.75 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif; }
a { color: #7fb0ff; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 760px; margin: 0 auto; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; text-decoration: none; }
.top nav { display: flex; gap: 14px; font-size: 14px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a[aria-current] { color: var(--text); }
main { max-width: 760px; margin: 0 auto; padding: 8px 16px 40px; }
h1 { font-size: 26px; margin: 24px 0 4px; }
h2 { font-size: 18px; margin: 32px 0 8px; }
.muted { color: var(--muted); }
ul { padding-left: 20px; }
li { margin: 4px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--card); white-space: nowrap; }
hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0 8px; }
.cta { display: inline-block; margin: 8px 0; padding: 10px 18px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; text-decoration: none; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; padding: 0; list-style: none; }
.cards li { margin: 0; }
.cards a { display: block; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--text); text-decoration: none; }
.cards a:hover { border-color: var(--accent); }
.cards small { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; margin-top: 2px; }
/* 해설 글 (/guides/): 한 단, 휴대폰에서 읽기 좋은 크기 */
.article { max-width: 680px; font-size: 17px; line-height: 1.8; }
.article h1 { font-size: 30px; letter-spacing: -.02em; margin: 28px 0 16px; }
.article h2 { font-size: 21px; margin: 44px 0 10px; }
.article p { margin: 0 0 14px; }
.article b { color: #fff; }
.summary { list-style: none; margin: 0 0 8px; padding: 16px 18px; border-radius: 12px; background: var(--card); border: 1px solid var(--border); font-size: 16px; line-height: 1.7; }
.summary li { position: relative; padding-left: 16px; margin: 6px 0; }
.summary li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.fig { margin: 18px 0 22px; }
.fig svg { display: block; width: 100%; height: auto; color: var(--text); }
.fig figcaption { margin-top: 8px; font-size: 14px; color: var(--muted); line-height: 1.6; }
table.angles { display: table; width: 100%; table-layout: fixed; margin: 6px 0 16px; font-size: 15px; }
table.angles th { width: 5.2em; white-space: normal; line-height: 1.35; }
table.angles td { text-align: center; padding: 8px 2px; font-variant-numeric: tabular-nums; }
.try { margin: 18px 0 8px; padding: 18px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); }
.try p { margin: 0 0 10px; font-weight: 600; }
.try-links { display: flex; flex-wrap: wrap; gap: 8px; }
.try-links .cta { margin: 0; padding: 9px 16px; font-size: 15px; }
@media (max-width: 600px) {
  .article { font-size: 16px; }
  .article h1 { font-size: 26px; }
  .article h2 { font-size: 19px; margin-top: 36px; }
}

footer { max-width: 760px; margin: 0 auto; padding: 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; text-align: center; }