/* 가이드/아티클 공통 스타일 — /guide/*.html */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css");
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f7f8fa; --panel: #fff; --ink: #1a1d24; --sub: #6b7180;
  --line: #e8eaef; --brand: #5b5bd6; --brand-soft: #eeeefb;
  --shadow: 0 1px 2px rgba(20,22,28,.04), 0 6px 20px rgba(20,22,28,.05);
}
body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Noto Sans KR", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.78; font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }

/* ---- 헤더 ---- */
.site-header {
  background: rgba(255,255,255,.88); backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20;
}
.site-header .inner {
  max-width: 860px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 10px;
}
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); }
.logo-mark {
  width: 30px; height: 30px; border-radius: 9px; flex: 0 0 auto;
  overflow: hidden; display: block; box-shadow: 0 4px 12px rgba(20,22,40,.28);
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo-text { font-size: 18px; font-weight: 800; letter-spacing: -.6px; }
.logo-text b { color: var(--brand); }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.site-nav a {
  font-size: 13.5px; color: var(--sub); text-decoration: none; font-weight: 600;
  padding: 6px 10px; border-radius: 7px;
}
.site-nav a:hover { color: var(--brand); background: var(--brand-soft); }
.site-nav a.cta { color: #fff; background: var(--brand); box-shadow: 0 4px 12px rgba(91,91,214,.26); }
.site-nav a.cta:hover { color: #fff; opacity: .93; }

/* ---- 레이아웃 ---- */
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
.crumb { font-size: 13px; color: var(--sub); margin: 22px 0 14px; }
.crumb a { color: var(--sub); text-decoration: none; }
.crumb a:hover { color: var(--brand); }
.crumb span { margin: 0 6px; opacity: .6; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 34px 34px 38px; box-shadow: var(--shadow);
}

/* ---- 아티클 ---- */
.post-head { border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 8px; }
.post-cat {
  display: inline-block; font-size: 11.5px; font-weight: 800; letter-spacing: .4px;
  color: var(--brand); background: var(--brand-soft); padding: 4px 10px; border-radius: 6px;
  margin-bottom: 12px;
}
.post-head h1 { font-size: 30px; line-height: 1.35; letter-spacing: -.8px; margin-bottom: 12px; }
.post-meta { font-size: 13px; color: var(--sub); display: flex; flex-wrap: wrap; gap: 6px 12px; }
.lead { font-size: 17px; color: #33384a; margin: 22px 0 4px; font-weight: 500; }

.post h2 {
  font-size: 21px; letter-spacing: -.4px; margin: 40px 0 12px; padding-top: 6px;
  scroll-margin-top: 70px;
}
.post h3 { font-size: 17px; margin: 26px 0 8px; color: #2a2f3d; }
.post p { margin: 12px 0; color: #2c303c; }
.post ul, .post ol { margin: 12px 0 12px 22px; }
.post li { margin: 7px 0; color: #2c303c; }
.post li > ul, .post li > ol { margin: 6px 0 6px 18px; }
.post strong { font-weight: 700; color: #1a1d24; }
.post a { color: var(--brand); }
.post hr { border: none; border-top: 1px solid var(--line); margin: 34px 0; }

blockquote {
  margin: 18px 0; padding: 14px 18px; border-left: 3px solid var(--brand);
  background: #f6f6fd; border-radius: 0 10px 10px 0; color: #3a3f52; font-size: 15.5px;
}
.callout {
  margin: 20px 0; padding: 16px 18px; border-radius: 12px; font-size: 15px; line-height: 1.7;
}
.callout b { display: block; margin-bottom: 5px; font-size: 14.5px; }
.callout.tip { background: #eafaf3; color: #14614a; box-shadow: inset 0 0 0 1px #cdeee0; }
.callout.warn { background: #fff6e6; color: #7a4d05; box-shadow: inset 0 0 0 1px #f6e3bd; }
.callout.danger { background: #ffeef0; color: #8a1f31; box-shadow: inset 0 0 0 1px #f7d2d8; }

.post table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14.5px; }
.post th, .post td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.post th { background: #f3f4f8; font-weight: 700; }
.table-scroll { overflow-x: auto; }

/* 예문 리스트 (따라 쓰기 좋은 문장 모음) */
.lines { list-style: none; margin: 14px 0; display: flex; flex-direction: column; gap: 7px; }
.lines li {
  margin: 0; padding: 10px 14px; background: #f4f5f8; border-radius: 9px;
  font-size: 15px; color: #2c303c;
}
.lines li b { color: var(--brand); }

/* 목차 */
.toc {
  background: #f6f7fa; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 20px; margin: 26px 0 8px;
}
.toc b { display: block; font-size: 12.5px; letter-spacing: .5px; color: var(--sub); margin-bottom: 8px; }
.toc ol { margin: 0 0 0 18px; }
.toc li { margin: 4px 0; font-size: 14.5px; }
.toc a { color: #3a3f52; text-decoration: none; }
.toc a:hover { color: var(--brand); text-decoration: underline; }

/* ---- 광고 자리 ---- */
.adbox { margin: 32px 0; text-align: center; min-height: 0; }
.adbox .adlabel {
  display: block; font-size: 10.5px; letter-spacing: 1px; color: #b6bac4;
  margin-bottom: 6px; text-transform: uppercase;
}
.adbox:empty { display: none; }

/* ---- 관련 글 / 목록 카드 ---- */
.rel { margin: 40px 0 0; }
.rel h2 { font-size: 17px; margin-bottom: 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.pcard {
  display: block; text-decoration: none; color: inherit;
  background: var(--panel); border: 1px solid var(--line); border-radius: 13px;
  padding: 17px 18px; transition: transform .13s, box-shadow .13s, border-color .13s;
}
.pcard:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #d9dbe6; }
.pcard .pc-cat { font-size: 11px; font-weight: 800; color: var(--brand); letter-spacing: .3px; }
.pcard h3 { font-size: 15.5px; margin: 6px 0 6px; line-height: 1.45; letter-spacing: -.3px; }
.pcard p { font-size: 13.5px; color: var(--sub); line-height: 1.6; margin: 0; }

/* 가이드 허브 상단 */
.hub-head { text-align: center; padding: 40px 0 6px; }
.hub-head h1 { font-size: 31px; letter-spacing: -.8px; margin-bottom: 10px; }
.hub-head p { color: var(--sub); font-size: 16px; max-width: 620px; margin: 0 auto; }
.hub-sec { margin: 34px 0 0; }
.hub-sec > h2 { font-size: 18px; margin-bottom: 13px; letter-spacing: -.3px; }

/* 하단 CTA */
.cta-box {
  margin: 44px 0 0; padding: 28px 26px; border-radius: 16px; text-align: center;
  background: linear-gradient(135deg, #6a7bff, #5b5bd6); color: #fff;
  box-shadow: 0 10px 30px rgba(91,91,214,.3);
}
.cta-box h2 { font-size: 20px; margin: 0 0 8px; color: #fff; letter-spacing: -.4px; }
.cta-box p { color: rgba(255,255,255,.86); font-size: 14.5px; margin: 0 0 16px; }
.cta-box a {
  display: inline-block; background: #fff; color: var(--brand); font-weight: 700;
  padding: 12px 26px; border-radius: 10px; text-decoration: none; font-size: 15px;
}
.cta-box a:hover { opacity: .92; }

/* ---- 푸터 ---- */
.site-foot {
  margin-top: 56px; border-top: 1px solid var(--line); background: #fff;
}
.site-foot .inner { max-width: 860px; margin: 0 auto; padding: 28px 20px 46px; color: var(--sub); font-size: 13.5px; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 12px; }
.site-foot a { color: var(--sub); text-decoration: none; }
.site-foot a:hover { color: var(--brand); }
.site-foot .fine { font-size: 12.5px; color: #9aa0ac; line-height: 1.7; }

@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .card { padding: 24px 20px 28px; border-radius: 14px; }
  .post-head h1 { font-size: 24px; }
  .hub-head h1 { font-size: 25px; }
  .hub-head { padding: 30px 0 4px; }
  .post h2 { font-size: 19px; margin-top: 32px; }
  .site-nav a { padding: 6px 8px; font-size: 13px; }
  .wrap { padding: 0 14px; }
}