/* 랜드토커 사이트 공통 스타일 (2026-10 리디자인). 흰 바탕, 잉크 글자, 딥그린 한 색. 면 구분은 1px 선, 그림자 없음. */
:root {
  --bg: #FDFDFC;
  --surface: #F6F7F6;
  --ink: #121A16;
  --ink-2: #47524C;
  --ink-3: #66716B;
  --line: #E2E6E3;
  --line-2: #CDD3CF;
  --brand: #1B3A2E;
  --brand-hover: #24503F;
  --brand-tint: #EEF3F0;
  --focus: #2F6B53;

  --font: 'Pretendard Variable', Pretendard, -apple-system, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --fs-xs: 13px; --fs-sm: 14px; --fs-md: 15px; --fs-body: 17px; --fs-lg: 20px; --fs-xl: 24px; --fs-2xl: 32px; --fs-3xl: 44px;
  --r: 6px;
  --wrap: 1200px;
  --gutter: 24px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 var(--fs-md)/1.6 var(--font); word-break: keep-all; overflow-wrap: break-word; font-feature-settings: "tnum"; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }
::selection { background: #CFE0D7; color: var(--ink); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; }
.wrap { max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding-left: max(var(--gutter), env(safe-area-inset-left, 0px)); padding-right: max(var(--gutter), env(safe-area-inset-right, 0px)); }
.ico { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* 헤더 */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--bg); border-bottom: 1px solid var(--line); }
.site-header > .wrap { display: flex; align-items: center; height: 64px; gap: 40px; }
.logo { display: flex; align-items: center; gap: 9px; flex: none; }
.logo svg { width: 28px; height: 28px; }
.logo span { font-size: 19px; font-weight: 800; letter-spacing: -0.03em; color: var(--ink); }
.gnb { display: flex; gap: 28px; font-size: var(--fs-md); font-weight: 500; color: var(--ink-2); }
.gnb a { position: relative; padding: 21px 0; }
.gnb a[aria-current] { color: var(--ink); font-weight: 700; }
.gnb a[aria-current]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--brand); }
.header-tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--r); color: var(--ink); }
.icon-btn:hover { background: var(--surface); }
.btn { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 16px; border-radius: var(--r); font-weight: 700; font-size: var(--fs-sm); }
.btn-brand { background: var(--brand); color: #fff; }
.btn-brand:hover { background: var(--brand-hover); color: #fff; }
.btn-line { border: 1px solid var(--line-2); color: var(--ink); background: var(--bg); font-family: inherit; cursor: pointer; }
.btn:active, .seg button:active, .icon-btn:active { transform: scale(.98); }
.btn, .seg button, .icon-btn { transition: transform .12s cubic-bezier(.2,.8,.2,1), background-color .15s, border-color .15s; }
.btn-line:hover { border-color: var(--ink); color: var(--ink); }
.menu-btn { display: none; }

/* 공통 */
.crumb { display: flex; gap: 6px; font-size: var(--fs-sm); color: var(--ink-3); }
.crumb a:hover { color: var(--brand); }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--ink); }
.sec-head h2 { font-size: var(--fs-lg); font-weight: 700; }
.sec-head a { font-size: var(--fs-sm); color: var(--ink-3); display: inline-flex; align-items: center; gap: 2px; }
.sec-head a:hover { color: var(--brand); }
.cat { font-size: var(--fs-xs); font-weight: 600; color: var(--brand); }
.date { font-size: var(--fs-xs); color: var(--ink-3); }
.ad-slot { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 8px 0 12px; }
.ad-slot::before { content: "광고"; display: block; font-size: 11px; color: var(--ink-3); margin-bottom: 6px; }
.ad-slot .ad-box { height: 100px; background: var(--surface); }

/* 홈 */
.hero { padding: 56px 0 48px; display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 64px; align-items: end; }
.hero h1 { font-size: var(--fs-3xl); line-height: 1.22; font-weight: 800; letter-spacing: -0.035em; }
.hero .sub { margin-top: 14px; font-size: 18px; color: var(--ink-2); line-height: 1.6; }
.search { margin-top: 28px; display: flex; align-items: center; gap: 12px; height: 60px; padding: 0 18px; border: 1.5px solid var(--ink); border-radius: var(--r); background: var(--bg); max-width: 640px; }
.search .ico { width: 22px; height: 22px; color: var(--ink-2); }
.search input { flex: 1; min-width: 0; border: 0; outline: 0; font: 500 17px var(--font); color: var(--ink); background: transparent; }
.search input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.search input::placeholder { color: var(--ink-3); font-weight: 400; }
.search kbd { font: 500 12px var(--font); color: var(--ink-3); border: 1px solid var(--line-2); border-radius: 4px; padding: 2px 6px; }
.quick { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: var(--fs-sm); color: var(--ink-3); }
.quick a { color: var(--ink-2); font-weight: 500; text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 4px; }
.quick a:hover { color: var(--brand); text-decoration-color: var(--brand); }
.updates { border-top: 1px solid var(--ink); }
.updates h2 { font-size: var(--fs-sm); font-weight: 700; padding: 12px 0 8px; }
.updates li { list-style: none; display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); font-size: var(--fs-sm); }
.updates li span:last-child { color: var(--ink-3); }
.updates ul { margin: 0; padding: 0; }

.popular { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-left: 1px solid var(--line); margin-top: 0; }
.tool { position: relative; display: flex; flex-direction: column; gap: 4px; padding: 20px 22px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 128px; transition: background-color .2s cubic-bezier(.2,.8,.2,1); }
.tool:hover { background: var(--surface); color: var(--ink); }
.tool b { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.tool p { font-size: var(--fs-sm); color: var(--ink-3); line-height: 1.5; }
.tool .ico { position: absolute; right: 18px; top: 22px; width: 18px; height: 18px; color: var(--ink-3); transition: transform .2s cubic-bezier(.2,.8,.2,1), color .2s; }
.tool:hover .ico { transform: translateX(3px); color: var(--brand); }
.tool.lead { grid-column: span 2; grid-row: span 2; padding: 28px 30px; background: var(--brand-tint); }
.tool.lead:hover { background: #E4EDE8; }
.tool.lead .example { border-top-color: #D3E0D8; }
.tool.lead b { font-size: 30px; }
.tool.lead p { font-size: var(--fs-md); max-width: 30em; }
.example { margin-top: auto; border-top: 1px solid var(--line); padding-top: 14px; display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; font-size: var(--fs-sm); color: var(--ink-2); }
.example strong { font-size: 26px; font-weight: 700; color: var(--brand); letter-spacing: -0.02em; grid-row: span 2; align-self: end; }
.example small { font-size: var(--fs-xs); color: var(--ink-3); }

.home-cols { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 64px; margin-top: 56px; }
.post-list { margin: 0; padding: 0; }
.post-item { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr) 96px; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.post-item .meta { display: flex; gap: 10px; align-items: center; }
.post-item h3 { margin-top: 6px; font-size: 19px; line-height: 1.45; font-weight: 700; }
.post-item p { margin-top: 6px; font-size: var(--fs-md); color: var(--ink-2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-item img { width: 96px; height: 120px; object-fit: cover; border-radius: var(--r); }
.post-item .no-thumb { width: 96px; height: 120px; border-radius: var(--r); background: var(--surface); }
.index-group { padding: 14px 0; border-bottom: 1px solid var(--line); }
.index-group h3 { font-size: var(--fs-sm); font-weight: 700; margin-bottom: 6px; display: flex; justify-content: space-between; }
.index-group h3 span { font-weight: 400; color: var(--ink-3); }
.index-group div { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: var(--fs-sm); color: var(--ink-2); }

.site-footer { margin-top: 96px; border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: var(--fs-sm); color: var(--ink-3); }
.site-footer .wrap { display: grid; grid-template-columns: 1fr auto; gap: 24px; }
.site-footer nav { display: flex; gap: 20px; color: var(--ink-2); }
.site-footer p + p { margin-top: 4px; }

/* 글 상세 */
.post-wrap { display: grid; grid-template-columns: minmax(0, 720px) 280px; gap: 80px; justify-content: center; padding-top: 40px; }
.post-head h1 { margin-top: 14px; font-size: 36px; line-height: 1.32; font-weight: 800; letter-spacing: -0.03em; }
.post-head .lead { margin-top: 16px; font-size: 19px; line-height: 1.7; color: var(--ink-2); }
.post-meta { margin-top: 24px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: var(--fs-sm); color: var(--ink-3); }
.post-meta b { color: var(--ink); font-weight: 600; }
.prose { font-size: var(--fs-body); line-height: 1.85; color: var(--ink); }
.prose > * + * { margin-top: 20px; }
.prose h2 { margin-top: 64px; font-size: var(--fs-xl); line-height: 1.4; font-weight: 700; }
.prose h2 + * { margin-top: 14px; }
.prose figure { margin: 32px 0; }
.prose figure img { width: 100%; max-width: 480px; margin: 0 auto; border-radius: var(--r); }
.prose strong { font-weight: 700; }
.tbl { overflow-x: auto; }
.prose table { width: 100%; border-collapse: collapse; font-size: var(--fs-md); line-height: 1.6; }
.prose caption { text-align: left; font-size: var(--fs-sm); color: var(--ink-3); padding-bottom: 8px; }
.prose th { text-align: left; font-weight: 700; padding: 10px 14px; border-bottom: 1px solid var(--ink); }
.prose td { padding: 11px 14px; border-bottom: 1px solid var(--line); }
.prose .num { text-align: right; }
.prose tr.sum td { font-weight: 700; border-bottom: 1px solid var(--ink); }
.calc-link { display: flex; align-items: center; gap: 16px; padding: 18px 22px; background: var(--brand-tint); border-radius: var(--r); }
.calc-link:hover { color: var(--ink); background: #E4EDE8; }
.calc-link div { flex: 1; min-width: 0; }
.calc-link b { display: block; font-size: var(--fs-body); font-weight: 700; }
.calc-link span { font-size: var(--fs-sm); color: var(--ink-2); }
.calc-link .ico { color: var(--brand); width: 22px; height: 22px; }
.aside-sticky { position: sticky; top: 88px; }
.ad-side { margin-bottom: 28px; }
.toc h2 { font-size: var(--fs-sm); font-weight: 700; padding-bottom: 10px; border-bottom: 1px solid var(--ink); }
.toc ol { margin: 0; padding: 0; }
.toc li { list-style: none; }
.toc ol { padding-top: 6px; }
.toc a { display: block; padding: 6px 0; font-size: var(--fs-sm); line-height: 1.5; color: var(--ink-3); }
.toc a[aria-current] { color: var(--brand); font-weight: 700; }
.side-box { margin-top: 32px; }
.side-box h2 { font-size: var(--fs-sm); font-weight: 700; padding-bottom: 10px; border-bottom: 1px solid var(--ink); }
.side-box a { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; font-size: var(--fs-sm); border-bottom: 1px solid var(--line); }
.side-box a .ico { width: 16px; height: 16px; color: var(--ink-3); }

/* 계산기 */
.calc-head { padding: 36px 0 28px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; }
.calc-head h1 { margin-top: 10px; font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.03em; }
.calc-head p { margin-top: 8px; font-size: 16px; color: var(--ink-2); }
.basis-meta { display: grid; grid-template-columns: auto auto; gap: 4px 16px; font-size: var(--fs-sm); }
.basis-meta dt { color: var(--ink-3); }
.basis-meta dd { margin: 0; color: var(--ink); }
.calc-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 64px; padding-top: 32px; align-items: start; }
.field + .field { margin-top: 24px; }
.field label, .field .label { display: block; font-size: var(--fs-md); font-weight: 600; margin-bottom: 8px; }
.input { display: flex; align-items: center; height: 54px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: var(--r); gap: 10px; transition: border-color .15s; }
.input:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-tint); }
.input input { flex: 1; min-width: 0; border: 0; outline: 0; font: 600 20px var(--font); color: var(--ink); background: transparent; }
.input .unit { color: var(--ink-3); font-size: var(--fs-md); }
.input.is-error { border-color: #B42318; }
.input.is-error:focus-within { box-shadow: 0 0 0 3px #FDECEA; }
.error { margin-top: 6px; font-size: var(--fs-sm); color: #B42318; font-weight: 500; }
.hint { margin-top: 6px; font-size: var(--fs-sm); color: var(--brand); font-weight: 600; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 6px; }
.seg button { height: 46px; border: 1px solid var(--line-2); border-radius: var(--r); background: #fff; font: 500 var(--fs-md) var(--font); color: var(--ink-2); cursor: pointer; transition: border-color .15s, background-color .15s; }
.seg button:hover { border-color: var(--ink-3); }
.seg button[aria-pressed="true"] { border-color: var(--brand); background: var(--brand-tint); color: var(--brand); font-weight: 700; }
.result { position: sticky; top: 88px; border: 1px solid var(--ink); border-radius: var(--r); padding: 24px 26px; }
.result h2 { font-size: var(--fs-md); font-weight: 700; }
.result .cond { margin-top: 4px; font-size: var(--fs-sm); color: var(--ink-3); }
.result dl { margin: 18px 0 0; }
.result .row { display: grid; grid-template-columns: 1fr auto; gap: 2px 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.result dt { font-size: var(--fs-md); font-weight: 500; }
.result dt small { display: block; font-size: var(--fs-xs); color: var(--ink-3); font-weight: 400; }
.result dd { margin: 0; font-size: 18px; font-weight: 600; align-self: center; }
.result .total { margin-top: 4px; padding-top: 18px; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.result .total span { font-size: var(--fs-md); font-weight: 700; }
.result .total strong { font-size: 36px; font-weight: 800; color: var(--brand); letter-spacing: -0.03em; }
.result .rate { text-align: right; font-size: var(--fs-sm); color: var(--ink-3); margin-top: 2px; }
.result .why { margin-top: 18px; padding: 14px 16px; background: var(--surface); border-radius: var(--r); font-size: var(--fs-sm); line-height: 1.7; color: var(--ink-2); }
.result .why b { color: var(--ink); }
.result .actions { margin-top: 16px; display: flex; gap: 8px; }
.result .actions .btn { flex: 1; justify-content: center; }
.next-calc { margin-top: 28px; }
.next-calc h3 { font-size: var(--fs-sm); font-weight: 700; margin-bottom: 4px; }
.next-calc a { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-md); }
.next-calc a span { color: var(--ink-3); font-size: var(--fs-sm); }


/* 헤더 검색·메뉴 */
.icon-btn { border: 0; background: none; cursor: pointer; padding: 0; }
.search-panel { border-top: 1px solid var(--line); background: var(--bg); padding: 12px 0 16px; }
.search-box { position: relative; max-width: 640px; }
.search-box .search { margin-top: 0; }
.search-panel .search { height: 52px; }
.hero .search-box { margin-top: 28px; }
.search-results { position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 30; margin: 0; padding: 6px 0; list-style: none; background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r); max-height: 60vh; overflow: auto; }
.search-results a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 16px; font-size: var(--fs-md); }
.search-results a span { color: var(--ink-3); font-size: var(--fs-sm); flex: none; }
.search-results li[aria-selected="true"] a, .search-results a:hover { background: var(--surface); color: var(--ink); }
.search-results .empty { padding: 10px 16px; color: var(--ink-3); font-size: var(--fs-sm); }
.drawer { border-top: 1px solid var(--line); background: var(--bg); }
.drawer .wrap { display: grid; grid-template-columns: 1fr 1fr; column-gap: 20px; padding-block: 4px 16px; }
.drawer a { padding: 12px 0; border-bottom: 1px solid var(--line); font-weight: 500; }
.drawer a[aria-current] { color: var(--brand); font-weight: 700; }
@media (min-width: 1081px) { .drawer { display: none !important; } }
.btn-brand[aria-current] { background: var(--brand-hover); }

/* 푸터 */
.footer-name { color: var(--ink); }
.site-footer p { margin: 0; }

/* 카테고리 화면 */
.cat-head { padding: 40px 0 28px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.cat-head h1 { font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.03em; margin-top: 10px; }
.cat-head p { margin-top: 8px; color: var(--ink-2); font-size: 16px; max-width: 46em; }
.cat-head .count { color: var(--ink-3); font-size: var(--fs-sm); margin-top: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip { display: inline-flex; align-items: center; height: 36px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: var(--r); font-size: var(--fs-sm); font-weight: 500; color: var(--ink-2); }
.chip:hover { border-color: var(--brand); color: var(--brand); }

/* 목록 공통 */
.post-item.ad-row { display: block; }
.empty-state { padding: 48px 0; color: var(--ink-3); text-align: center; }
.pagination { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 32px; }
.pagination a, .pagination span { min-width: 40px; height: 40px; padding: 0 10px; display: inline-grid; place-items: center; border: 1px solid var(--line); border-radius: var(--r); font-size: var(--fs-sm); }
.pagination a:hover { border-color: var(--ink); color: var(--ink); }
.pagination span[aria-current] { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }
.ad-slot ins { display: block; }
.pagination .gap { border: 0; min-width: 20px; color: var(--ink-3); }
.list-col { max-width: 880px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }


/* 글 상세 */
.preview-bar { position: sticky; top: 0; z-index: 40; background: #7A3E0E; color: #fff; text-align: center; padding: 8px 12px; font-size: var(--fs-sm); }
.preview-bar a { color: #fff; text-decoration: underline; }
.post-cover { margin: 28px 0 8px; }
.post-cover img { width: 100%; border-radius: var(--r); }
.post-cover.is-card img { max-width: 420px; margin: 0 auto; }
.toc-mobile { display: none; margin: 24px 0 0; border: 1px solid var(--line); border-radius: var(--r); }
.toc-mobile summary { cursor: pointer; padding: 12px 16px; font-weight: 700; font-size: var(--fs-md); }
.toc-mobile .toc-list { margin: 0; padding: 0 16px 10px; }
.toc-list { list-style: none; margin: 0; padding: 0; counter-reset: none; }
.toc-mobile a { display: block; padding: 7px 0; font-size: var(--fs-sm); color: var(--ink-2); border-top: 1px solid var(--line); }
.prose { margin-top: 28px; }
.prose > :first-child { margin-top: 0; }
.prose h3 { margin-top: 36px; font-size: 19px; line-height: 1.5; font-weight: 700; }
.prose h3 + * { margin-top: 10px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 6px; }
.prose a { color: var(--brand); text-decoration: underline; text-decoration-color: #A9C2B5; text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--brand); }
.prose blockquote { margin: 24px 0; padding: 4px 0 4px 18px; border-left: 1px solid var(--ink); color: var(--ink-2); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.prose img { max-width: 100%; height: auto; border-radius: var(--r); margin: 0 auto; }
.prose img[src*="/images/cards/"] { max-width: 420px; width: 100%; }
.prose .table-wrap { overflow-x: auto; margin: 24px 0; }
.prose .table-wrap table { min-width: 0; }
.prose th { background: transparent; }
.prose figure.post-card-image, .prose figure.post-outro { margin: 36px 0; }
.prose figure.post-card-image img, .prose figure.post-outro img { max-width: 420px; }
.prose .related-posts { margin: 40px 0 0; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--r); }
.prose .related-posts h3 { margin: 0 0 8px; font-size: var(--fs-md); }
.prose .related-posts ul { list-style: none; padding: 0; margin: 0; }
.prose .related-posts li { padding: 6px 0; }
.prose .sources { font-size: var(--fs-sm); color: var(--ink-3); }
.prose .num { text-align: right; }
.prose details.faq-item { border-top: 1px solid var(--line); margin: 0; padding: 0; }
.prose details.faq-item:last-of-type { border-bottom: 1px solid var(--line); }
.prose details.faq-item summary { cursor: pointer; list-style: none; padding: 14px 32px 14px 0; font-weight: 700; font-size: var(--fs-body); line-height: 1.5; position: relative; }
.prose details.faq-item summary::-webkit-details-marker { display: none; }
.prose details.faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-weight: 400; font-size: 22px; color: var(--ink-3); }
.prose details.faq-item[open] summary::after { content: "−"; }
.prose details.faq-item > :not(summary) { margin: 0 0 14px; color: var(--ink-2); }
.prose .ad-in-article { margin: 32px 0; }
.author-box { display: flex; gap: 16px; align-items: flex-start; margin-top: 56px; padding: 20px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.author-avatar { width: 44px; height: 44px; flex: none; display: grid; place-items: center; border-radius: var(--r); background: var(--brand); color: #fff; font-weight: 800; }
.author-name { font-weight: 700; }
.author-name span { font-weight: 400; color: var(--ink-3); font-size: var(--fs-sm); margin-left: 6px; }
.author-bio { font-size: var(--fs-sm); color: var(--ink-2); margin-top: 2px; }
.author-box a { font-size: var(--fs-sm); color: var(--brand); margin-top: 4px; display: inline-block; }
.post-tags { display: flex; flex-wrap: wrap; gap: 6px 12px; margin-top: 16px; font-size: var(--fs-sm); color: var(--ink-3); }
.more-posts { margin-top: 48px; }
.more-posts ul { list-style: none; margin: 0; padding: 0; }
.more-posts li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-md); }
.more-posts li a { font-weight: 500; }
.more-posts .date { flex: none; }
.ad-bottom { margin-top: 32px; }


/* 계산기 페이지 머리 (views/partials/tool-head.ejs) */
.tool-head { width: calc(100% - 32px); max-width: 768px; margin: 0 auto; padding: 36px 0 24px; display: grid; gap: 16px; border-bottom: 1px solid var(--line); }
.tool-head h1 { margin-top: 10px; font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.03em; line-height: 1.3; }
.tool-head p { margin-top: 8px; font-size: 16px; color: var(--ink-2); }
.tool-head .basis-meta { grid-template-columns: auto 1fr; padding-top: 12px; border-top: 1px solid var(--line); }


/* 계산기 목록 (/tools) */
.tools-hub-head { padding: 40px 0 8px; }
.tools-hub-head h1 { margin-top: 10px; font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.03em; }
.tools-hub-head > p { margin-top: 8px; color: var(--ink-2); font-size: 16px; max-width: 46em; }
.tools-hub-head .search-box { margin-top: 24px; }
.tools-group { margin-top: 48px; scroll-margin-top: 80px; }
.tools-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-left: 1px solid var(--line); }


/* 소개·문의·개인정보 등 문서 페이지 */
.page { max-width: 760px; }
.page-head { padding: 40px 0 24px; border-bottom: 1px solid var(--ink); }
.page-head h1 { font-size: var(--fs-2xl); font-weight: 800; letter-spacing: -0.03em; line-height: 1.3; }
.page-head p { margin-top: 10px; color: var(--ink-2); font-size: 16px; }
.page-body { margin-top: 8px; }
.page-body .section { margin-top: 48px; }
.page-body .section > h2 { font-size: var(--fs-xl); font-weight: 700; margin-bottom: 12px; }
.page-body .section > * + * { margin-top: 14px; }
.page-body .source-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.page-body .source-card { padding: 14px 0; border-bottom: 1px solid var(--line); display: flex; gap: 10px; }
.page-body .source-card:nth-child(odd) { padding-right: 16px; }
.page-body .src-name { font-weight: 700; font-size: var(--fs-md); }
.page-body .src-desc { font-size: var(--fs-sm); color: var(--ink-2); }
.page-body .contact-box { display: flex; gap: 14px; align-items: center; padding: 16px 18px; border: 1px solid var(--line-2); border-radius: var(--r); text-decoration: none; color: var(--ink); }
.page-body .contact-box:hover { border-color: var(--brand); }
.page-body .contact-label { font-weight: 700; }
.page-body .contact-value, .page-body .contact-desc { font-size: var(--fs-sm); color: var(--ink-2); }
.page-body .editor-profile { display: flex; gap: 16px; align-items: flex-start; padding: 20px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.page-body .editor-avatar { width: 48px; height: 48px; flex: none; display: grid; place-items: center; border-radius: var(--r); background: var(--brand); color: #fff; font-weight: 800; }
.page-body .editor-name { font-weight: 700; }
.page-body .editor-title, .page-body .editor-bio { font-size: var(--fs-sm); color: var(--ink-2); }
.page-body .info-box, .page-body .disclaimer, .page-body .ai-banner { padding: 16px 18px; background: var(--surface); border-radius: var(--r); font-size: var(--fs-md); }
.page-body .effective-date { color: var(--ink-3); font-size: var(--fs-sm); margin-top: 16px; }
.not-found { padding-block: 64px 24px; }
.not-found h1 { font-size: var(--fs-2xl); font-weight: 800; }
.not-found > p { margin-top: 10px; color: var(--ink-2); }
.not-found .search-box { margin-top: 24px; }
.not-found .links { margin-top: 20px; display: flex; gap: 8px; }

/* 모바일 */
@media (max-width: 1080px) {
  .tools-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gnb { display: none; }
  .menu-btn { display: grid; }
  .hero, .home-cols, .post-wrap, .calc-body, .calc-head { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .post-wrap aside { display: none; }
  .toc-mobile { display: block; }
  .result { position: static; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .site-header > .wrap { height: 56px; }
  .cat-tabs { display: flex; gap: 20px; overflow-x: auto; scrollbar-width: none; padding: 0 16px; border-bottom: 1px solid var(--line); font-size: var(--fs-md); color: var(--ink-2); white-space: nowrap; }
  .cat-tabs a { padding: 12px 0; flex: none; }
  .cat-tabs a[aria-current] { color: var(--ink); font-weight: 700; box-shadow: inset 0 -2px var(--brand); }
  .hero { padding: 28px 0 32px; }
  .hero h1 { font-size: 28px; }
  .hero .sub { font-size: 16px; }
  .search { height: 54px; margin-top: 22px; }
  .search kbd { display: none; }
  .updates { display: none; }
  .popular, .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool { padding: 16px; min-height: 104px; }
  .tool b { font-size: 16px; }
  .tool .ico { display: none; }
  .tool.lead { grid-row: auto; padding: 20px 16px; }
  .tool.lead b { font-size: 24px; }
  .post-item { grid-template-columns: minmax(0, 1fr) 72px; gap: 16px; }
  .post-item img, .post-item .no-thumb { width: 72px; height: 90px; }
  .post-item h3 { font-size: 17px; }
  .post-head h1 { font-size: 27px; }
  .calc-head h1 { font-size: 26px; }
  .tool-head h1 { font-size: 26px; }
  .site-footer .wrap { grid-template-columns: 1fr; }
  .page-body .source-grid { grid-template-columns: 1fr; }
}
@media (min-width: 641px) { .cat-tabs { display: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }