/* ============================================================
   [PD수첩×언더스코어] AI의 등장 이후 고용 시장은 어떻게 변화했을까?
   디자인 시스템: 밝은 종이 + 도트 HUD (3편 HUD 문법을 정보 전달용으로 순화)
   - 본문은 Pretendard, 제목·라벨·칩·수치는 Galmuri(도트 폰트)
   - 패널: 2px 먹선 + 4px 계단 그림자 + 모서리 노란 점
   ============================================================ */
@font-face { font-family: 'G11'; src: url('fonts/Galmuri11.woff2') format('woff2'); font-display: swap; }
@font-face { font-family: 'G11B'; src: url('fonts/Galmuri11-Bold.woff2') format('woff2'); font-display: swap; }
@font-face { font-family: 'G14'; src: url('fonts/Galmuri14.woff2') format('woff2'); font-display: swap; }
@font-face { font-family: 'G9'; src: url('fonts/Galmuri9.woff2') format('woff2'); font-display: swap; }

:root {
  --paper: #F3EFE4;
  --paper-2: #EAE4D4;
  --card: #FFFCF4;
  --ink: #1B1D22;
  --body-c: #383B43;
  --dim: #686C75;
  --faint: #9A9DA4;
  --line: #D8D1BF;
  --hud: #16181E;
  --hud-2: #20232B;
  --hud-ink: #F0EAD6;
  --hud-dim: #9AA0A8;
  --hud-line: #3A3F4A;

  --yel: #FFCC33;
  --yel-dk: #9A6F00;      /* 밝은 배경 위 노란 글씨 대용 */
  --teal: #1F8F78;
  --teal-lt: #4BE0C0;
  --rust: #D9532F;
  --rust-dk: #8F3520;
  --rust-soft: #F6D9CF;
  --blue: #3E6FA8;
  --purple: #7A5BA8;
  --green: #4E8A4A;
  --gold: #C98A12;
  --gray: #8E939B;

  --sans: "Pretendard", "Pretendard Variable", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --px: 'G11', var(--sans);
  --pxb: 'G11B', var(--sans);
  --px14: 'G14', var(--sans);

  --maxw: 740px;
  --widew: 1040px;
  --figw: 860px;     /* 그래프는 본문(740)보다 살짝만 넓게 */
  --nav-h: 54px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; background: var(--paper); color: var(--body-c);
  font-family: var(--sans); font-size: 17px; line-height: 1.8;
  word-break: keep-all; overflow-wrap: break-word;
  font-feature-settings: "tnum"; -webkit-font-smoothing: antialiased;
}
::selection { background: var(--yel); color: var(--ink); }
a { color: var(--teal); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--rust); }
strong, b { color: var(--ink); font-weight: 700; }
img.px { image-rendering: pixelated; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.wide { max-width: var(--widew); margin: 0 auto; padding: 0 20px; }

/* ---------- 진행 바: 8px 단위로 끊어 채움 ---------- */
#progress { position: fixed; top: 0; left: 0; height: 4px; width: 0; z-index: 70;
  background: repeating-linear-gradient(90deg, var(--yel) 0 10px, transparent 10px 12px); }

/* ---------- 상단 내비게이션 ---------- */
#topnav { position: sticky; top: 0; z-index: 60; height: var(--nav-h);
  background: var(--hud); color: var(--hud-ink); border-bottom: 2px solid var(--ink);
  display: flex; align-items: center; }
#topnav .inner { max-width: 1120px; margin: 0 auto; padding: 0 16px; width: 100%; display: flex; align-items: center; gap: 14px; }
#topnav .brand { font-family: var(--pxb); font-size: 13px; color: var(--hud-ink); text-decoration: none; white-space: nowrap; display: flex; align-items: center; gap: 8px; }
#topnav .brand i { width: 10px; height: 10px; background: var(--yel); display: inline-block; box-shadow: 2px 2px 0 var(--rust); }
.navlinks { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; margin-left: auto; }
.navlinks::-webkit-scrollbar { display: none; }
.navlinks a { flex: 0 0 auto; font-family: var(--px); font-size: 12px; color: var(--hud-dim); text-decoration: none; padding: 6px 9px; border: 1px solid transparent; }
.navlinks a:hover { color: var(--hud-ink); border-color: var(--hud-line); }
.navlinks a.active { color: var(--ink); background: var(--yel); }

/* ---------- 히어로 ---------- */
#hero { position: relative; background: var(--hud); color: var(--hud-ink); overflow: hidden; border-bottom: 2px solid var(--ink); }
#hero .scene { position: relative; max-width: 1280px; margin: 0 auto; }
#hero .scene img { display: block; width: 100%; height: min(66vh, 66.6vw); min-height: 300px; object-fit: cover; object-position: 50% 38%; opacity: .92; }
#hero .scene::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(22,24,30,0) 35%, rgba(22,24,30,.55) 70%, var(--hud) 100%); pointer-events: none; }
#hero .title-box { position: relative; z-index: 2; max-width: 860px; margin: -150px auto 0; padding: 0 20px 56px; }
#hero .kicker { display: inline-flex; gap: 8px; align-items: center; font-family: var(--pxb); font-size: 13px; color: var(--ink); background: var(--yel); padding: 5px 10px 4px; box-shadow: 3px 3px 0 var(--rust); }
#hero h1 { font-family: var(--px14); font-weight: 400; font-size: clamp(27px, 5.2vw, 46px); line-height: 1.3; margin: 18px 0 14px; color: #fff; letter-spacing: -0.01em; text-shadow: 3px 3px 0 #000; }
#hero h1 em { font-style: normal; color: var(--yel); }
#hero .dek { font-size: 18px; line-height: 1.7; color: #D9D4C4; max-width: 680px; margin: 0; }
#hero .byline { margin-top: 18px; font-family: var(--px); font-size: 12px; color: var(--hud-dim); line-height: 1.7; }
#hero .byline .team { display: block; font-family: var(--sans); font-size: 12.5px; color: #A9A493; margin-top: 2px; }
#hero .byline a { color: #D9D4C4; text-decoration-color: #5a606a; }
#hero .byline a:hover { color: var(--yel); }
#hero .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 28px; }
#hero .stat { background: var(--hud-2); border: 2px solid var(--hud-line); padding: 12px 12px 10px; }
#hero .stat b { display: block; font-family: var(--px14); font-weight: 400; font-size: 25px; color: var(--yel); line-height: 1.1; }
#hero .stat span { display: block; font-size: 12.5px; color: var(--hud-dim); line-height: 1.45; margin-top: 6px; }
@media (max-width: 760px) {
  #hero .title-box { margin-top: -60px; }
  #hero .stats { grid-template-columns: repeat(2, 1fr); }
  #hero .dek { font-size: 16px; }
}

/* ---------- 섹션 머리 (HUD 띠) ---------- */
.sec { padding: 64px 0 24px; scroll-margin-top: calc(var(--nav-h) + 8px); }
.sec-head { max-width: var(--figw); margin: 0 auto 30px; padding: 0 20px; }
.sec-head .bar { display: flex; align-items: center; gap: 14px; background: var(--hud); color: var(--hud-ink); border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--ink); padding: 14px 18px; position: relative; }
.sec-head .bar::before, .sec-head .bar::after { content: ''; position: absolute; top: -2px; width: 6px; height: 6px; background: var(--yel); }
.sec-head .bar::before { left: -2px; } .sec-head .bar::after { right: -2px; }
.sec-head .no { font-family: var(--pxb); font-size: 12px; color: var(--ink); background: var(--yel); padding: 4px 7px 3px; white-space: nowrap; }
.sec-head h2 { margin: 0; font-family: var(--px14); font-weight: 400; font-size: clamp(19px, 3vw, 25px); line-height: 1.35; color: #fff; }
.sec-head img { height: 54px; width: auto; margin-left: auto; flex: 0 0 auto; }
@media (max-width: 560px) { .sec-head img { display: none; } }

/* ---------- 본문 ---------- */
.prose p { margin: 0 0 1.1em; }
.prose h3 { font-family: var(--pxb); font-weight: 400; font-size: 19px; line-height: 1.5; color: var(--ink); margin: 2.2em 0 .8em; display: flex; gap: 10px; align-items: baseline; }
.prose h3 .n { flex: 0 0 auto; font-family: var(--pxb); font-size: 12px; color: #fff; background: var(--ink); padding: 3px 6px 2px; transform: translateY(-2px); }
.prose ul, ul.prose { padding-left: 0; list-style: none; margin: 0 0 1.2em; }
.prose ul > li, ul.prose > li { position: relative; padding-left: 20px; margin: .45em 0; }
.prose ul > li::before, ul.prose > li::before { content: ''; position: absolute; left: 3px; top: .72em; width: 7px; height: 7px; background: var(--ink); }
.prose ul ul > li::before { background: transparent; border: 2px solid var(--dim); width: 7px; height: 7px; }
.prose .lead { font-size: 18.5px; color: var(--ink); }
mark { background: linear-gradient(transparent 55%, rgba(255,204,51,.65) 55%); color: inherit; padding: 0 1px; }
.hl-rust { color: var(--rust); font-weight: 700; }
.small { font-size: 14px; color: var(--dim); }

/* ---------- 패널 (밝은 HUD) ---------- */
.panel { position: relative; background: var(--card); border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--ink); padding: 20px 22px; margin: 26px 0; }
.panel::before, .panel::after { content: ''; position: absolute; top: -2px; width: 6px; height: 6px; background: var(--yel); }
.panel::before { left: -2px; } .panel::after { right: -2px; }
.panel.dark { background: var(--hud); color: var(--hud-ink); }
.panel.dark strong { color: #fff; }
.panel.dark ul.prose > li::before { background: var(--yel); }
.panel.dark ul.prose { color: #D9D4C4; }
.panel .ptitle { font-family: var(--pxb); font-size: 15px; color: var(--ink); margin: 0 0 4px; line-height: 1.45; }
.panel.dark .ptitle { color: #fff; }
.panel .psub { font-size: 13.5px; color: var(--dim); margin: 0 0 12px; line-height: 1.55; }
.panel.dark .psub { color: var(--hud-dim); }

/* ---------- 칩·태그 ---------- */
.chip { display: inline-block; font-family: var(--pxb); font-size: 12px; line-height: 1; padding: 5px 7px 4px; border: 2px solid var(--ink); background: var(--card); color: var(--ink); cursor: pointer; user-select: none; }
.chip.on { background: var(--ink); color: var(--yel); }
.chip:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--yel); outline-offset: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 14px; }
.tag { display: inline-block; font-family: var(--pxb); font-size: 11.5px; line-height: 1; padding: 4px 6px 3px; background: var(--yel); color: var(--ink); vertical-align: 2px; }
.tag.rust { background: var(--rust); color: #fff; }
.tag.teal { background: var(--teal); color: #fff; }
.tag.ink { background: var(--ink); color: var(--yel); }
.stamp { display: inline-block; font-family: var(--pxb); font-size: 13px; color: var(--rust); border: 2px solid var(--rust); padding: 4px 8px 3px; transform: rotate(-3deg); background: var(--card); }

/* ---------- 요약 카드 ---------- */
.quest { display: grid; grid-template-columns: 1fr; gap: 22px; }
.quest .panel { margin: 0; }
.quest .qhead { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.quest .qhead img { height: 72px; width: auto; }
.quest h3 { margin: 0; font-family: var(--pxb); font-weight: 400; font-size: 17px; line-height: 1.5; color: var(--ink); }
.quest .panel.dark h3 { color: #fff; }
.quest ul { margin: 0; }
.bignums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 14px 0 6px; }
.bignum { border: 2px solid var(--hud-line); background: var(--hud-2); padding: 10px 12px; }
.bignum b { display: block; font-family: var(--px14); font-weight: 400; font-size: 24px; color: var(--yel); line-height: 1.15; }
.bignum span { display: block; font-size: 12.5px; color: var(--hud-dim); line-height: 1.45; margin-top: 4px; }
.reject { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 14px; }
.reject div { display: flex; gap: 10px; align-items: flex-start; border: 1px dashed var(--hud-line); padding: 9px 10px; font-size: 14px; line-height: 1.55; color: #D9D4C4; }
.reject div::before { content: '✕'; flex: 0 0 auto; font-family: var(--pxb); font-size: 12px; background: var(--rust); color: #fff; padding: 3px 5px 2px; margin-top: 1px; }
.reject div b { color: #fff; }
@media (max-width: 640px) { .bignums, .reject { grid-template-columns: 1fr; } }

/* ---------- 논쟁 카드 ---------- */
.lit { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 18px 0 26px; }
.lit .c { background: var(--card); border: 2px solid var(--ink); padding: 14px 15px 12px; font-size: 15px; line-height: 1.65; }
.lit .c .who { font-family: var(--pxb); font-size: 12.5px; color: var(--ink); margin-bottom: 6px; line-height: 1.5; }
.lit .c .who a { color: var(--ink); }
.lit .c.claim { border-color: var(--rust); box-shadow: 4px 4px 0 var(--rust); }
.lit .c.counter { border-color: var(--blue); box-shadow: 4px 4px 0 var(--blue); }
.lit .c.re { border-color: var(--teal); box-shadow: 4px 4px 0 var(--teal); }
.lit .c.kr { border-color: var(--ink); box-shadow: 4px 4px 0 var(--ink); }
.litlabel { font-family: var(--pxb); font-size: 13px; margin: 26px 0 -6px; display: flex; gap: 8px; align-items: center; color: var(--ink); }
.litlabel i { width: 12px; height: 12px; display: inline-block; }
@media (max-width: 640px) { .lit { grid-template-columns: 1fr; } }

/* ---------- 데이터 절 ---------- */
.counter-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; }
.counter-row .cn { background: var(--hud); border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--ink); padding: 14px 14px 12px; color: var(--hud-dim); font-size: 13px; line-height: 1.5; }
.counter-row .cn b { display: block; font-family: var(--px14); font-weight: 400; font-size: 23px; color: var(--yel); line-height: 1.2; margin-bottom: 4px; }
@media (max-width: 640px) { .counter-row { grid-template-columns: 1fr; } }

.postings { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 22px 0 26px; }
.posting { background: #fff; border: 2px solid var(--ink); padding: 12px 13px 10px; font-size: 13.5px; line-height: 1.55; position: relative; }
.posting::after { content: ''; position: absolute; top: -7px; left: 50%; width: 10px; height: 10px; background: var(--rust); border: 2px solid var(--ink); transform: translateX(-50%); }
.posting .pt { font-weight: 700; color: var(--ink); font-size: 14.5px; margin: 4px 0 6px; }
.posting .meta { font-family: var(--px); font-size: 11.5px; color: var(--dim); }
.posting .tags { color: var(--body-c); }
.posting .exp { display: inline-block; margin-top: 8px; font-family: var(--pxb); font-size: 11.5px; padding: 3px 6px 2px; background: var(--ink); color: var(--yel); }
.posting .exp.new { background: var(--teal); color: #fff; }
@media (max-width: 720px) { .postings { grid-template-columns: 1fr; } }

/* 노출도 검색기 */
.kw-search { display: flex; gap: 8px; }
.kw-search input { flex: 1; font: 15px var(--sans); padding: 10px 12px; border: 2px solid var(--ink); background: #fff; color: var(--ink); border-radius: 0; min-width: 0; }
.kw-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; min-height: 30px; }
.kw-result { display: grid; grid-template-columns: 210px 1fr; gap: 18px; margin-top: 16px; align-items: start; }
.kw-card { background: var(--hud); color: var(--hud-ink); border: 2px solid var(--ink); padding: 14px; }
.kw-card .k { font-family: var(--pxb); font-size: 15px; color: #fff; line-height: 1.4; }
.kw-card .f { font-size: 12.5px; color: var(--hud-dim); margin-top: 2px; }
.kw-card .b { font-family: var(--px14); font-size: 38px; color: var(--yel); margin: 10px 0 6px; line-height: 1; }
.kw-card .gauge { display: grid; grid-template-columns: repeat(10, 1fr); gap: 3px; margin: 8px 0 10px; }
.kw-card .gauge i { height: 12px; border: 1px solid var(--hud-line); background: #0b0c10; }
.kw-card .gauge i.on { background: var(--yel); border-color: var(--yel); border-bottom: 2px solid #b88a1c; }
.kw-card .gauge i.on.hi { background: var(--rust); border-color: #ff9a70; border-bottom-color: var(--rust-dk); }
.kw-card .pct { font-size: 12.5px; color: #D9D4C4; line-height: 1.55; }
@media (max-width: 640px) { .kw-result { grid-template-columns: 1fr; } }

/* ---------- 그래프 ---------- */
figure.fig { margin: 30px 0; }
.fig-wide { max-width: var(--figw); margin: 30px auto; padding: 0 20px; }
.fig .panel { margin: 0; padding: 18px 18px 14px; }
.fig .fhead { display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; }
.fig .ftitle { font-family: var(--pxb); font-size: 15px; color: var(--ink); line-height: 1.45; margin: 0; }
.fig .fsub { font-size: 13px; color: var(--dim); line-height: 1.55; margin: 3px 0 10px; }
.fig .chart { position: relative; width: 100%; }
.fig .chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.fig figcaption { font-size: 13px; color: var(--dim); line-height: 1.6; margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); }
.fig figcaption b { color: var(--body-c); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 12px; margin: 2px 0 6px; }
.legend button { display: inline-flex; align-items: center; gap: 6px; font: 12.5px var(--sans); color: var(--ink); background: none; border: 0; padding: 3px 4px; cursor: pointer; }
.legend button i { width: 14px; height: 10px; display: inline-block; border: 1px solid rgba(0,0,0,.25); }
.legend button.off { color: var(--faint); }
.legend button.off i { background: transparent !important; border-style: dashed; }

svg .ax { font-family: 'G11', var(--sans); font-size: 11px; fill: var(--dim); }
svg .axb { font-family: 'G11B', var(--sans); font-size: 11px; }
svg .lab { font-family: 'G11B', var(--sans); font-size: 12px; }
svg .lab-s { font-family: 'G11', var(--sans); font-size: 11px; }
svg .grid { stroke: #E3DCCB; stroke-width: 1; shape-rendering: crispEdges; }
svg .zero { stroke: #9A958A; stroke-width: 1.5; shape-rendering: crispEdges; }
svg rect, svg line { shape-rendering: crispEdges; }
svg .ln { fill: none; stroke-linejoin: miter; stroke-linecap: square; }

/* 툴팁 (도트 패널) */
#tip { position: fixed; z-index: 90; pointer-events: none; background: var(--hud); color: var(--hud-ink); border: 2px solid var(--ink); box-shadow: 3px 3px 0 rgba(0,0,0,.35); padding: 8px 10px 7px; font-size: 12.5px; line-height: 1.55; min-width: 120px; max-width: 280px; opacity: 0; transform: translateY(4px); transition: opacity .08s, transform .08s; }
#tip.on { opacity: 1; transform: none; }
#tip .th { font-family: var(--pxb); font-size: 12px; color: var(--yel); margin-bottom: 4px; }
#tip .tr { display: flex; justify-content: space-between; gap: 12px; }
#tip .tr i { width: 9px; height: 9px; display: inline-block; margin-right: 6px; }
#tip .tr b { color: #fff; font-family: var(--pxb); font-weight: 400; }

/* 표 */
.ptable { width: 100%; border-collapse: collapse; font-size: 14px; }
.ptable th { font-family: var(--pxb); font-weight: 400; font-size: 12px; text-align: right; color: var(--dim); padding: 6px 8px; border-bottom: 2px solid var(--ink); white-space: nowrap; }
.ptable th:first-child, .ptable td:first-child { text-align: left; }
.ptable td { padding: 7px 8px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.ptable tr.base td { color: var(--dim); }
.ptable td.d { font-family: var(--pxb); }
.ptable td.neg { color: var(--rust); } .ptable td.pos { color: var(--teal); }
.ptable .bar { display: inline-block; height: 9px; background: var(--ink); vertical-align: middle; margin-left: 6px; }
.tscroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tnote { font-size: 12.5px; color: var(--dim); margin-top: 8px; }

/* Q&A (반론 검토) */
.qa { margin: 16px 0; }
.qa details { border: 2px solid var(--ink); background: var(--card); margin: 10px 0; box-shadow: 3px 3px 0 var(--ink); }
.qa summary { list-style: none; cursor: pointer; padding: 12px 14px; display: flex; gap: 10px; align-items: center; font-weight: 700; color: var(--ink); line-height: 1.5; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::before { content: '?'; flex: 0 0 auto; font-family: var(--pxb); font-size: 13px; background: var(--yel); color: var(--ink); width: 22px; height: 22px; display: grid; place-items: center; border: 2px solid var(--ink); }
.qa details[open] summary::before { content: '!'; background: var(--ink); color: var(--yel); }
.qa .ans { padding: 0 16px 14px 48px; font-size: 15.5px; line-height: 1.75; }
.qa .verdict { font-family: var(--pxb); font-size: 12px; color: #fff; background: var(--teal); padding: 3px 6px 2px; margin-left: auto; flex: 0 0 auto; }

/* 결론 박스 */
.conclusion { background: var(--hud); color: var(--hud-ink); border: 2px solid var(--ink); box-shadow: 6px 6px 0 var(--yel); padding: 22px 24px; margin: 34px 0; }
.conclusion .ptitle { font-family: var(--pxb); font-size: 15px; color: var(--yel); margin: 0 0 10px; }
.conclusion li { color: #E6E1D3; }
.conclusion ul > li::before { background: var(--yel) !important; }
.conclusion strong { color: #fff; }

/* 유의사항 */
.caveats { display: grid; gap: 12px; }
.caveat { display: grid; grid-template-columns: 34px 1fr; gap: 12px; background: var(--card); border: 2px solid var(--ink); padding: 14px 16px; }
.caveat .ic { font-family: var(--pxb); font-size: 14px; color: var(--ink); background: var(--yel); height: 30px; display: grid; place-items: center; border: 2px solid var(--ink); }
.caveat p { margin: 0; font-size: 15.5px; line-height: 1.75; }

/* 부록 */
.appendix details.ap { border: 2px solid var(--ink); background: var(--card); margin: 12px 0; }
.appendix details.ap > summary { cursor: pointer; padding: 12px 16px; font-family: var(--pxb); font-size: 14px; color: var(--ink); list-style: none; display: flex; gap: 10px; align-items: center; }
.appendix details.ap > summary::-webkit-details-marker { display: none; }
.appendix details.ap > summary::before { content: '+'; width: 20px; height: 20px; display: grid; place-items: center; background: var(--ink); color: var(--yel); font-size: 13px; flex: 0 0 auto; }
.appendix details.ap[open] > summary::before { content: '−'; }
.appendix .apb { padding: 2px 18px 14px; font-size: 15px; line-height: 1.75; }
.appendix .eq { overflow-x: auto; padding: 10px 0; margin: 6px 0 10px; background: #fff; border: 1px solid var(--line); text-align: center; }
.appendix .ptable td, .appendix .ptable th { white-space: normal; }
.appendix .ptable td, .appendix .ptable th { text-align: left; }
.vars { margin: 6px 0 0; padding: 0; list-style: none; }
.vars li { padding: 5px 0 5px 0; border-bottom: 1px dotted var(--line); }
.vars li .katex { margin-right: 4px; }

/* 푸터 */
footer { margin-top: 70px; background: var(--hud); color: var(--hud-dim); border-top: 2px solid var(--ink); padding: 40px 0 46px; font-size: 13.5px; line-height: 1.7; }
footer .brand { font-family: var(--pxb); font-size: 14px; color: var(--hud-ink); margin-bottom: 8px; }
footer a { color: var(--yel); }
footer .fund { color: var(--hud-ink); margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--hud-line); }

/* 등장 연출 */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .45s steps(5), transform .45s steps(5); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

.side-sprite { float: right; width: 92px; margin: 0 0 8px 18px; }
@media (max-width: 560px) { .side-sprite { width: 64px; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- 모바일 ---------- */
@media (max-width: 560px) {
  body { font-size: 16px; line-height: 1.75; }
  .wrap, .wide, .fig-wide, .sec-head { padding-left: 16px; padding-right: 16px; }
  .sec { padding: 46px 0 14px; }
  .sec-head { margin-bottom: 22px; }
  .sec-head .bar { padding: 11px 12px; gap: 10px; box-shadow: 3px 3px 0 var(--ink); }
  .sec-head h2 { font-size: 17px; }
  .panel { padding: 15px 14px; box-shadow: 3px 3px 0 var(--ink); }
  .fig .panel { padding: 14px 12px 10px; }
  .fig-wide { margin: 24px auto; }
  .prose h3 { font-size: 16.5px; }
  .prose .lead { font-size: 17px; }
  #hero h1 { font-size: 26px; }
  #hero .stat b { font-size: 20px; }
  #hero .kicker { font-size: 12px; }
  .quest .qhead img { height: 54px; }
  .quest h3 { font-size: 15.5px; }
  .bignum b { font-size: 21px; }
  .lit .c { font-size: 14.5px; padding: 12px 13px 10px; }
  .counter-row .cn b { font-size: 21px; }
  .ptable { font-size: 13px; }
  .ptable .opt { display: none; }      /* 좁은 화면: 2020, 2021, 2023년 열 숨김 */
  .ptable td, .ptable th { padding: 7px 6px; }
  .qa .ans { padding: 0 14px 12px 14px; font-size: 15px; }
  .caveat { grid-template-columns: 28px 1fr; gap: 10px; padding: 12px; }
  .caveat p { font-size: 15px; }
  .conclusion { padding: 18px 16px; box-shadow: 4px 4px 0 var(--yel); }
  .appendix .apb { padding: 2px 12px 12px; font-size: 14.5px; }
  .kw-card .b { font-size: 32px; }
}

/* ---------- 언어 전환기 (상단 내비게이션 오른쪽, 도트 지구본) ---------- */
.lang-fab { position: relative; flex: 0 0 auto; margin-left: 6px; }
.lang-fab-btn { display: flex; align-items: center; gap: 5px; height: 32px; padding: 0 8px 0 5px; background: var(--hud-2); border: 2px solid var(--hud-line); color: var(--hud-ink); font-family: var(--pxb); font-size: 12px; cursor: pointer; }
.lang-fab-btn:hover, .lang-fab-btn[aria-expanded="true"] { border-color: var(--yel); }
.lang-fab-btn img { width: 22px; height: 22px; display: block; }
.lang-menu { position: absolute; right: 0; top: calc(100% + 8px); z-index: 80; min-width: 150px; background: var(--hud); border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--yel); padding: 6px; display: grid; gap: 2px; }
.lang-menu[hidden] { display: none; }
.lang-item { display: block; padding: 7px 10px; font-size: 14px; color: var(--hud-ink); text-decoration: none; }
a.lang-item:hover { background: var(--hud-2); color: var(--yel); }
.lang-item.on { background: var(--yel); color: var(--ink); font-weight: 700; }
@media (max-width: 560px) { .lang-fab-btn span { display: none; } .lang-fab-btn { padding: 0 5px; } }
.kw-card .o { font-size: 12px; color: #C9C3B2; margin-top: 2px; line-height: 1.45; }
@media (max-width: 560px) {
  #topnav .inner { gap: 8px; padding: 0 10px; }
  #topnav .brand { font-size: 11px; gap: 6px; }
  .navlinks a { padding: 6px 7px; font-size: 11.5px; }
  .lang-item[lang="zh-CN"] { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC", sans-serif; }
}
@media (min-width: 561px) { .appendix .ptable td:nth-child(3) { white-space: nowrap; } }
html:lang(ja) body, html:lang(zh-CN) body { word-break: normal; line-break: strict; }   /* 띄어쓰기 없는 언어는 keep-all이면 문장부호에서만 줄이 바뀜 */
@media (max-width: 420px) { .ptable { font-size: 12px; } .ptable td, .ptable th { padding: 6px 4px; } }
h1, h2, h3, .ptitle, .ftitle, .quest h3 { text-wrap: balance; }   /* 마지막 줄에 한두 글자만 남지 않게 */
.kw-card .f, .prose p, .prose li { text-wrap: pretty; }
@media (max-width: 420px) { .ptable td, .ptable th { white-space: normal; } }   /* 좁은 화면: 긴 머리글·값(예: Vs. cuello azul, +0.66 años***)은 칸 안에서 줄바꿈 */