/* =========================================================
   공지사항 공통 스타일 (notice.html · notice-view.html)
   - 머리글 · 히어로 · 찾는 안내가 없으신가요? · 푸터는 자주 묻는 질문(faq.html)과 같은 값
   - 디자인 기준 : 운영가이드/DESIGN.md (A. 밝은 에디토리얼 · 각진 배지 · 1px 선 · 버튼 모서리 4px)
   ========================================================= */
:root {
  --blue: #216cff; --blue-hover: #0e53e8; --blue-100: #e7efff; --blue-200: #bad2ff; --blue-300: #7da9ff;
  --title: #0f1a3a; --ink: #111114; --body: #4a4d52; --muted: #828386;
  --page: #f5f7fb; --sky: #eef3ff; --navy: #13245c; --black: #020107;
  --line: #e6e9f0; --line-btn: #d4d7dd;
  --ease: cubic-bezier(.23, 1, .32, 1);
  --wrap: 1152px; --gutter: clamp(16px, 5vw, 64px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", sans-serif; background: #fff; color: var(--ink); letter-spacing: -.02em; word-break: keep-all; -webkit-font-smoothing: antialiased; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { font: inherit; letter-spacing: inherit; }
[hidden] { display: none !important; }
.wrap { max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- 머리글 (Support 메인과 같음) ---------- */
.hd { position: sticky; top: 0; z-index: 50; background: var(--black); }
.hd-in { height: 72px; display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.logo img { width: 30px; height: 30px; filter: invert(1); }
.logo b { display: block; font-size: 19px; line-height: 1.1; letter-spacing: -.01em; }
.logo small { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .14em; color: rgba(255,255,255,.55); }
.gnb { display: flex; gap: 4px; }
.gnb a { padding: 8px 12px; font-size: 15.5px; font-weight: 600; color: rgba(255,255,255,.75); border-radius: 4px; transition: color .15s, background .15s; }
.gnb a:hover, .gnb a.on { color: #fff; background: rgba(255,255,255,.08); }
.hd-cta { margin-left: auto; display: inline-flex; align-items: center; height: 42px; padding: 0 18px; background: #fff; color: var(--title); font-size: 14.5px; font-weight: 700; border-radius: 4px; }
.hd-cta:hover { background: var(--blue-100); }

.gnb a { position: relative; }
.gnb .dot { position: absolute; right: 4px; top: 6px; width: 6px; height: 6px; border-radius: 50%; background: #ff5c5c; }   /* 새 업데이트 노트가 있을 때 */

/* ---------- 히어로 (진단 참여자 가이드와 같은 형식) ---------- */
.hero { background: var(--sky); padding: 64px 0 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.crumb { font-size: 14px; color: var(--body); margin-bottom: 18px; }
.crumb a:hover { color: var(--blue); }
.crumb span { margin: 0 6px; }
.hero h1 { font-size: 56px; font-weight: 800; line-height: 1.18; letter-spacing: -.03em; color: var(--title); }

/* ---------- 각진 배지 · 버튼 ---------- */
.badge { display: inline-flex; align-items: center; height: 24px; padding: 0 8px; font-size: 12px; font-weight: 700; color: var(--blue); border: 1px solid var(--blue-200); background: #fff; white-space: nowrap; }
.badge.fill { background: var(--blue); border-color: var(--blue); color: #fff; }
.badge.gray { color: var(--body); border-color: var(--line-btn); }
.badge.warn { color: #b54708; border-color: #fedf89; background: #fffaeb; }
.badge.sample { color: var(--muted); border-style: dashed; border-color: var(--line-btn); }
.btn { display: inline-flex; align-items: center; gap: 6px; height: 46px; padding: 0 22px; border: 1px solid var(--line-btn); border-radius: 4px; font-size: 15px; font-weight: 700; color: var(--title); background: #fff; transition: background .18s var(--ease), border-color .18s var(--ease); }
.btn:hover { background: var(--sky); border-color: var(--blue); }

/* ---------- 찾는 안내가 없으신가요? · 푸터 (Support 메인과 같음) ---------- */
.help { padding: 64px 0 80px; text-align: center; border-top: 1px solid var(--line); }
.help h2 { font-size: clamp(22px, 2.6vw, 28px); font-weight: 700; color: var(--title); letter-spacing: -.03em; }
.help p { margin-top: 6px; font-size: 15px; color: var(--body); }
.help-box { display: inline-grid; width: 100%; max-width: 450px; grid-template-columns: auto 1fr auto; margin-top: 20px; text-align: left; background: #fff; border: 1px solid var(--line); padding: 10px 22px; }
.help-row { display: contents; }
.help-row > * { padding: 12px 0; display: flex; align-items: center; }
.help-row > *:not(:last-child) { padding-right: 20px; }
.help-row + .help-row > * { border-top: 1px solid #eef1f6; }
.help-label { font-size: 13px; font-weight: 700; color: var(--muted); }
.help-who { font-size: 14.5px; color: var(--title); font-weight: 600; }
.help-mail { font-size: 14.5px; color: var(--blue); font-weight: 600; }
.ft { background: var(--black); color: rgba(255,255,255,.62); font-size: 14px; }
.ft-top { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr)); gap: 32px; padding: 56px 0 40px; }
.ft-brand .logo { margin-bottom: 18px; }
.ft-brand dl { display: grid; grid-template-columns: 56px 1fr; gap: 6px 10px; font-size: 13.5px; }
.ft-brand dt { color: rgba(255,255,255,.45); } .ft-brand dd { color: rgba(255,255,255,.8); }
.ft-col h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.ft-col a { display: block; padding: 4px 0; font-size: 13.5px; color: rgba(255,255,255,.62); }
.ft-col a:hover { color: #fff; }
.ft-bot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 20px 0 32px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12.5px; }
.ft-bot nav { margin-left: auto; display: flex; gap: 16px; }
.ft-bot a:hover { color: #fff; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }