/* 칼럼 — 목록(/column.html)과 글(/column/*.html)이 같이 쓴다. */

/* ── 목록 ── */
.col-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.col-list li { border-bottom: 1px solid var(--line); }
.col-item { display: block; padding: 26px 0; text-decoration: none; color: inherit; }
.col-item .col-date { display: block; font-size: 13px; font-weight: 600; color: var(--cyan-ink); letter-spacing: .02em; }
.col-item b { display: block; margin-top: 8px; font-size: 21px; line-height: 1.45; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; }
.col-item .col-sum { display: block; margin-top: 8px; font-size: 15px; line-height: 1.7; color: var(--ink-3); }
.col-item:hover b { color: var(--navy); text-decoration: underline; text-underline-offset: 4px; }

/* ── 글 머리 ── */
.art-head { padding: 72px 0 36px; }
.art-head .eyebrow { margin-bottom: 18px; }
.art-head h1 { font-size: 40px; line-height: 1.34; letter-spacing: -0.035em; color: var(--ink); }
.art-meta { margin-top: 18px; font-size: 14px; color: var(--muted); }
.art-meta i { font-style: normal; margin: 0 8px; color: var(--muted); }

/* 요약 — 답을 먼저 준다 */
.art-answer {
  margin-top: 30px; padding: 22px 24px; border-radius: var(--r);
  background: var(--cyan-50); border-left: 4px solid var(--navy);
}
.art-answer .art-lbl { display: block; font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.art-answer p { font-size: 16.5px; line-height: 1.8; color: var(--ink-2); }

/* 목차 */
.art-toc { margin-top: 26px; padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--r); }
.art-toc b { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.art-toc ol { margin: 0; padding-left: 20px; }
.art-toc li { font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.art-toc a { color: inherit; text-decoration: none; }
.art-toc a:hover { color: var(--navy); text-decoration: underline; }

/* ── 본문 ── */
.art-body { padding: 8px 0 72px; }
.art-body h2 {
  margin: 56px 0 16px; font-size: 27px; line-height: 1.4; letter-spacing: -0.03em; color: var(--ink);
  scroll-margin-top: 90px;
}
.art-body h3 { margin: 30px 0 10px; font-size: 19px; line-height: 1.5; color: var(--ink); }
.art-body p { font-size: 16.5px; line-height: 1.85; color: var(--ink-2); margin: 0 0 16px; }
.art-body ul.art-points { margin: 0 0 18px; padding-left: 20px; }
.art-body ul.art-points li { font-size: 16px; line-height: 1.8; color: var(--ink-2); margin-bottom: 6px; }
.art-body strong { color: var(--ink); }

.art-quote {
  margin: 22px 0; padding: 18px 22px; border-radius: var(--r);
  background: var(--field); border: 1px solid var(--line);
}
.art-quote p { margin: 0; font-size: 16.5px; color: var(--ink); }
.art-quote .art-src { display: block; margin-top: 8px; font-size: 13px; color: var(--muted); }

/* 표 — 좁은 화면에서는 가로로 넘긴다 */
.art-table-wrap { margin: 20px 0 22px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
.art-table { width: 100%; min-width: 540px; border-collapse: collapse; font-size: 15px; }
.art-table th, .art-table td { padding: 13px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--hair); line-height: 1.6; }
.art-table thead th { background: var(--field); font-size: 13.5px; color: var(--muted); font-weight: 600; }
.art-table tbody tr:last-child td { border-bottom: 0; }
.art-table td:first-child { font-weight: 700; color: var(--navy); white-space: nowrap; }
.art-table td { color: var(--ink-2); }

/* 이유 카드 */
.art-reasons { list-style: none; margin: 20px 0 8px; padding: 0; counter-reset: rs; }
.art-reasons li {
  position: relative; padding: 20px 22px 20px 64px; margin-bottom: 12px;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--paper);
}
.art-reasons li::before {
  counter-increment: rs; content: counter(rs, decimal-leading-zero);
  position: absolute; left: 22px; top: 20px; font-size: 15px; font-weight: 800; color: var(--cyan-ink);
}
.art-reasons b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.art-reasons p { margin: 0; font-size: 15.5px; line-height: 1.8; }

/* 한계 */
.art-limit { margin: 22px 0; padding: 20px 22px; border-radius: var(--r); background: var(--warn-bg); }
.art-limit b { display: block; color: var(--warn); margin-bottom: 8px; }
.art-limit ul { margin: 0; padding-left: 20px; }
.art-limit li { font-size: 15.5px; line-height: 1.8; color: var(--ink-2); }

/* 자주 묻는 질문 */
.art-faq { list-style: none; margin: 16px 0 0; padding: 0; border-top: 1px solid var(--line); }
.art-faq li { border-bottom: 1px solid var(--line); }
.art-faq summary { cursor: pointer; padding: 18px 0; font-size: 17px; font-weight: 600; color: var(--ink); list-style: none; }
.art-faq summary::-webkit-details-marker { display: none; }
.art-faq summary::before { content: "Q. "; color: var(--cyan-ink); }
.art-faq .art-ans { padding: 0 0 18px; }
.art-faq .art-ans p { margin: 0; font-size: 15.5px; }

.art-end { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.art-end .cta-row { justify-content: flex-start; }

@media (max-width: 760px) {
  .art-head { padding: 48px 0 24px; }
  .art-head h1 { font-size: 29px; }
  .art-body h2 { font-size: 23px; margin-top: 44px; }
  .art-body p, .art-answer p { font-size: 16px; }
  .col-item b { font-size: 19px; }
  .art-reasons li { padding: 18px 18px 18px 54px; }
  .art-reasons li::before { left: 18px; top: 18px; }
}