/* 사이클 지식과 공부 — learn.html · learn/*.html 공용 (work/learn/build_learn.py 가 이 파일을 사이트 폴더로 복사한다)
   색은 전부 --ln-* 토큰. 다크는 data-theme="dark" 와 OS 다크(저장값이 light 가 아닐 때) 둘 다 덮는다. SVG 도 클래스(f-* · s-*)로 토큰을 쓴다. */
:root{--ln-bg:#fbf8f3;--ln-card:#fff;--ln-ink:#1f1c18;--ln-sub:#6a6358;--ln-faint:#8a8175;--ln-line:#e8dfd2;--ln-soft:#f6f1e8;--ln-soft2:#efe7da;
  --ln-accent:#e0661a;--ln-accent2:#c9560f;--ln-accent-t:#b04a0c;--ln-on-accent:#fff;--ln-blue:#2f6db0;--ln-green:#2f7a4b;--ln-red:#c0352b;--ln-yellow:#d9a21b;
  --ln-tip:#fff4e3;--ln-tip-b:#f0c98a;--ln-warn:#fdeceb;--ln-warn-b:#eaa39d;--ln-note:#eef4fb;--ln-note-b:#b9cfe8;--ln-shadow:0 6px 22px rgba(60,40,20,.08)}
:root[data-theme="dark"]{--ln-bg:#0f1311;--ln-card:#181d18;--ln-ink:#e9ede7;--ln-sub:#b2b9b0;--ln-faint:#8d968b;--ln-line:#2a312a;--ln-soft:#212721;--ln-soft2:#2a312a;
  --ln-accent:#ff8a3d;--ln-accent2:#ff9f5e;--ln-accent-t:#ffa465;--ln-on-accent:#1b1208;--ln-blue:#6fa8e6;--ln-green:#63c38a;--ln-red:#ff7b70;--ln-yellow:#f0c04a;
  --ln-tip:#2b2418;--ln-tip-b:#6b5326;--ln-warn:#2e1a19;--ln-warn-b:#7d3a35;--ln-note:#18232e;--ln-note-b:#35506b;--ln-shadow:0 6px 22px rgba(0,0,0,.45)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ln-bg:#0f1311;--ln-card:#181d18;--ln-ink:#e9ede7;--ln-sub:#b2b9b0;--ln-faint:#8d968b;--ln-line:#2a312a;--ln-soft:#212721;--ln-soft2:#2a312a;
  --ln-accent:#ff8a3d;--ln-accent2:#ff9f5e;--ln-accent-t:#ffa465;--ln-on-accent:#1b1208;--ln-blue:#6fa8e6;--ln-green:#63c38a;--ln-red:#ff7b70;--ln-yellow:#f0c04a;
  --ln-tip:#2b2418;--ln-tip-b:#6b5326;--ln-warn:#2e1a19;--ln-warn-b:#7d3a35;--ln-note:#18232e;--ln-note-b:#35506b;--ln-shadow:0 6px 22px rgba(0,0,0,.45)}}

html body.ln-page{background:var(--ln-bg);color:var(--ln-ink);-webkit-text-size-adjust:100%}
.ln-main{max-width:1120px;margin:0 auto;padding:6px 20px 90px;color:var(--ln-ink);box-sizing:border-box}
.ln-main *,.ln-main *::before,.ln-main *::after{box-sizing:border-box}
.ln-main a{color:var(--ln-accent-t)}
.ln-main img,.ln-main svg{max-width:100%}
.ln-crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:15px;color:var(--ln-faint);margin:6px 0 16px}
.ln-crumbs a{color:var(--ln-sub);text-decoration:underline;text-underline-offset:3px}
.ln-crumbs [aria-current]{color:var(--ln-ink);font-weight:700}

/* ───────── 허브 ───────── */
.ln-hero{padding:22px 0 8px}
.ln-kick{margin:0 0 6px;font-size:15px;font-weight:800;letter-spacing:.14em;color:var(--ln-accent-t)}
.ln-hero h1{margin:0 0 10px;font-size:clamp(30px,5vw,44px);line-height:1.2;letter-spacing:-.04em;font-weight:900;word-break:keep-all}
.ln-lead{margin:0;font-size:clamp(16px,2.2vw,19px);line-height:1.7;color:var(--ln-sub);max-width:46em;word-break:keep-all}
.ln-tools{position:sticky;top:0;z-index:5;margin:18px -20px 6px;padding:12px 20px 10px;background:var(--ln-bg);border-bottom:1px solid var(--ln-line)}
.ln-search{display:flex;align-items:center;gap:8px;height:50px;padding:0 14px;border:1.5px solid var(--ln-line);border-radius:14px;background:var(--ln-card)}
.ln-search:focus-within{border-color:var(--ln-accent)}
.ln-search svg{flex:none;width:20px;height:20px;color:var(--ln-faint)}
.ln-search input{flex:1;min-width:0;height:100%;border:0!important;outline:0;background:transparent!important;box-shadow:none!important;-webkit-appearance:none;appearance:none;padding:0!important;color:var(--ln-ink);font:inherit;font-size:16px}
.ln-search input::placeholder{color:var(--ln-faint)}
.ln-search button{flex:none;width:34px;height:34px;border:0;border-radius:50%;background:var(--ln-soft);color:var(--ln-sub);font-size:18px;line-height:1;cursor:pointer}
.ln-search button[hidden]{display:none}
.ln-chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0;padding:0;list-style:none}
.ln-chip{min-height:44px;padding:0 16px;border:1.5px solid var(--ln-line);border-radius:999px;background:var(--ln-card);color:var(--ln-ink);font:inherit;font-size:15px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.ln-chip small{font-size:15px;font-weight:800;color:var(--ln-faint)}
.ln-chip[aria-pressed="true"]{background:var(--ln-accent);border-color:var(--ln-accent);color:var(--ln-on-accent)}
.ln-chip[aria-pressed="true"] small{color:inherit;opacity:.85}
.ln-count{margin:12px 0 0;font-size:15px;color:var(--ln-faint)}
.ln-group{margin:34px 0 0}
.ln-group[hidden]{display:none}
.ln-ghead{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px;margin:0 0 14px}
.ln-ghead h2{margin:0;font-size:clamp(21px,3vw,26px);letter-spacing:-.03em;font-weight:900}
.ln-ghead p{margin:0;font-size:15px;color:var(--ln-sub)}
.ln-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ln-card{display:flex;flex-direction:column;min-width:0;border:1.5px solid var(--ln-line);border-radius:20px;background:var(--ln-card);color:var(--ln-ink)!important;text-decoration:none!important;overflow:hidden;transition:transform .14s,box-shadow .2s,border-color .2s}
.ln-card:hover{border-color:var(--ln-accent);box-shadow:var(--ln-shadow);transform:translateY(-2px)}
.ln-card:active{transform:scale(.985)}
.ln-card[hidden]{display:none}
.ln-thumb{display:block;aspect-ratio:8/5;background:var(--ln-soft);border-bottom:1px solid var(--ln-line);overflow:hidden}
.ln-thumb svg{display:block;width:100%;height:100%}
.ln-cbody{display:flex;flex-direction:column;gap:7px;padding:15px 17px 17px;flex:1}
.ln-badges{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.ln-badge{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border-radius:999px;background:var(--ln-soft);color:var(--ln-sub);font-size:15px;font-weight:800}
.ln-badge.calc{background:var(--ln-accent);color:var(--ln-on-accent)}
.ln-badge.chk{background:var(--ln-green);color:#fff}
:root[data-theme="dark"] .ln-badge.chk{color:#08170e}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ln-badge.chk{color:#08170e}}
.ln-card h3{margin:2px 0 0;font-size:20px;line-height:1.35;letter-spacing:-.03em;font-weight:900;word-break:keep-all}
.ln-card p{margin:0;font-size:15px;line-height:1.6;color:var(--ln-sub);word-break:keep-all}
.ln-meta{margin-top:auto;padding-top:6px;font-size:15px;font-weight:700;color:var(--ln-faint)}
.ln-empty{margin:30px 0;padding:26px;border:1.5px dashed var(--ln-line);border-radius:18px;text-align:center;color:var(--ln-sub);font-size:16px}
.ln-empty[hidden]{display:none}
.ln-soon{margin:44px 0 0;padding:22px 22px 20px;border-radius:20px;background:var(--ln-soft)}
.ln-soon h2{margin:0 0 6px;font-size:20px;font-weight:900}
.ln-soon p{margin:0 0 12px;font-size:15px;color:var(--ln-sub);line-height:1.65}
.ln-soon ul{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.ln-soon li{padding:8px 14px;border-radius:999px;border:1.5px dashed var(--ln-line);background:var(--ln-card);font-size:15px;font-weight:700;color:var(--ln-sub)}
.ln-ft{margin:34px 0 0;font-size:15px;line-height:1.7;color:var(--ln-faint)}

/* ───────── 글 ───────── */
.ln-art{max-width:740px;margin:0 auto}
.ln-ahead{padding:6px 0 4px}
.ln-ahead .ln-badges{margin:0 0 12px}
.ln-ahead h1{margin:0 0 12px;font-size:clamp(28px,5.4vw,40px);line-height:1.25;letter-spacing:-.04em;font-weight:900;word-break:keep-all}
.ln-sum{margin:0 0 12px;font-size:clamp(17px,2.4vw,19.5px);line-height:1.75;color:var(--ln-sub);word-break:keep-all}
.ln-asub{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:15px;color:var(--ln-faint);margin:0}
.ln-toc{margin:22px 0 6px;border:1.5px solid var(--ln-line);border-radius:16px;background:var(--ln-card)}
.ln-toc summary{display:flex;align-items:center;gap:8px;min-height:52px;padding:0 18px;font-size:16px;font-weight:900;cursor:pointer;list-style:none}
.ln-toc summary::-webkit-details-marker{display:none}
.ln-toc summary::after{content:'＋';margin-left:auto;color:var(--ln-faint);font-weight:700}
.ln-toc[open] summary::after{content:'－'}
.ln-toc ol{margin:0;padding:2px 18px 16px 40px;font-size:16px;line-height:1.5}
.ln-toc li{margin:0}
.ln-toc li a{display:block;padding:9px 0;color:var(--ln-ink);text-decoration:none}
.ln-toc li a:hover{color:var(--ln-accent-t);text-decoration:underline}
.ln-body{margin-top:8px;font-size:17px;line-height:1.85;color:var(--ln-ink)}
.ln-body>*:first-child{margin-top:0}
.ln-body p{margin:0 0 18px;word-break:keep-all;overflow-wrap:anywhere}
.ln-body h2{margin:44px 0 14px;font-size:clamp(23px,3.4vw,28px);line-height:1.35;letter-spacing:-.035em;font-weight:900;scroll-margin-top:70px;word-break:keep-all}
.ln-body h3{margin:30px 0 10px;font-size:20px;line-height:1.4;font-weight:900;word-break:keep-all}
.ln-body ul,.ln-body ol{margin:0 0 18px;padding-left:22px}
.ln-body li{margin:0 0 7px;padding-left:2px;word-break:keep-all;overflow-wrap:anywhere}
.ln-body strong{font-weight:900;background:linear-gradient(transparent 62%,color-mix(in srgb,var(--ln-accent) 24%,transparent) 62%)}
.ln-body code{padding:1px 6px;border-radius:6px;background:var(--ln-soft2);font-size:.92em}
.ln-body a{text-underline-offset:3px}
.ln-box{margin:24px 0;padding:16px 18px 6px;border:1.5px solid;border-radius:16px;font-size:16.5px;line-height:1.75}
.ln-box>b.ln-bt{display:flex;align-items:center;gap:8px;margin:0 0 8px;font-size:17px;font-weight:900}
.ln-box p:last-child,.ln-box ul:last-child{margin-bottom:12px}
.ln-box.tip{background:var(--ln-tip);border-color:var(--ln-tip-b)}
.ln-box.warn{background:var(--ln-warn);border-color:var(--ln-warn-b)}
.ln-box.warn>b.ln-bt{color:var(--ln-red)}
.ln-box.note{background:var(--ln-note);border-color:var(--ln-note-b)}
.ln-box strong{background:none}
.ln-tw{margin:22px 0;border:1.5px solid var(--ln-line);border-radius:16px;overflow:hidden;background:var(--ln-card)}
.ln-tw>.ln-tcap{margin:0;padding:12px 16px 4px;font-size:15px;font-weight:900;color:var(--ln-ink)}
.ln-tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.ln-body table{width:100%;border-collapse:collapse;font-size:15.5px;line-height:1.55}
.ln-body th,.ln-body td{padding:11px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--ln-line)}
.ln-body thead th{background:var(--ln-soft);font-weight:900;white-space:nowrap;border-top:0}
.ln-body tbody th{font-weight:800;white-space:nowrap}
.ln-body td strong{background:none}
.ln-body .ln-tnote{margin:0;padding:8px 16px 12px;font-size:15px;color:var(--ln-faint);line-height:1.6}
.ln-fig{margin:26px 0;padding:14px 14px 10px;border:1.5px solid var(--ln-line);border-radius:18px;background:var(--ln-card)}
.ln-fig svg{display:block;width:100%;height:auto;margin:0 auto}
.ln-fig figcaption{margin:10px 2px 2px;font-size:15px;line-height:1.6;color:var(--ln-sub)}
.ln-fig figcaption b,.ln-fig figcaption strong{color:var(--ln-ink);background:none}
.ln-photo{margin:26px 0}
.ln-photo img{display:block;width:100%;height:auto;border-radius:16px;background:var(--ln-soft)}
.ln-photo figcaption{margin:8px 2px 0;font-size:15px;line-height:1.6;color:var(--ln-faint)}
.ln-ai{display:inline-block;margin-right:6px;padding:1px 8px;border-radius:999px;background:var(--ln-soft2);color:var(--ln-sub);font-weight:800;font-size:15px}
.ln-steps{margin:0 0 20px;padding:0;list-style:none;counter-reset:st}
.ln-steps li{position:relative;margin:0 0 12px;padding:14px 16px 14px 62px;border:1.5px solid var(--ln-line);border-radius:16px;background:var(--ln-card);counter-increment:st;font-size:16.5px;line-height:1.7}
.ln-steps li::before{content:counter(st);position:absolute;left:14px;top:13px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--ln-accent);color:var(--ln-on-accent);font-weight:900;font-size:16px}
.ln-steps li b{display:block;margin-bottom:2px;font-size:17px}
.ln-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 22px}
.ln-link{display:flex;flex-direction:column;gap:3px;min-height:64px;padding:14px 16px;border:1.5px solid var(--ln-line);border-radius:16px;background:var(--ln-card);color:var(--ln-ink)!important;text-decoration:none!important;transition:border-color .2s,transform .12s}
.ln-link:hover{border-color:var(--ln-accent)}
.ln-link:active{transform:scale(.985)}
.ln-link b{font-size:16.5px;font-weight:900}
.ln-link span{font-size:15px;color:var(--ln-sub);line-height:1.5}
.ln-link i{font-style:normal;color:var(--ln-accent-t);font-weight:900}
.ln-faq{margin:0 0 20px}
.ln-faq details{border:1.5px solid var(--ln-line);border-radius:14px;background:var(--ln-card);margin:0 0 10px}
.ln-faq summary{padding:15px 46px 15px 16px;font-size:17px;font-weight:900;line-height:1.5;cursor:pointer;list-style:none;position:relative;word-break:keep-all}
.ln-faq summary::-webkit-details-marker{display:none}
.ln-faq summary::after{content:'＋';position:absolute;right:16px;top:14px;color:var(--ln-faint)}
.ln-faq details[open] summary::after{content:'－'}
.ln-faq details>div{padding:0 16px 8px;font-size:16.5px;line-height:1.8}
.ln-faq details>div p{margin:0 0 12px}

/* 체크리스트 */
.ln-chk{margin:26px 0;border:1.5px solid var(--ln-line);border-radius:20px;background:var(--ln-card);overflow:hidden}
.ln-chk-h{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;padding:14px 16px;background:var(--ln-soft);border-bottom:1px solid var(--ln-line)}
.ln-chk-h b{font-size:18px;font-weight:900}
.ln-chk-h .ln-prog{margin-left:auto;font-size:15px;font-weight:800;color:var(--ln-sub)}
.ln-bar{height:6px;background:var(--ln-soft2)}
.ln-bar i{display:block;height:100%;width:0;background:var(--ln-green);transition:width .25s}
.ln-chk ul{margin:0;padding:6px 8px;list-style:none}
.ln-chk li{margin:0;padding:0}
.ln-chk label{display:flex;align-items:flex-start;gap:12px;padding:13px 10px;border-radius:12px;cursor:pointer;font-size:16.5px;line-height:1.6;-webkit-tap-highlight-color:transparent}
.ln-chk label:hover{background:var(--ln-soft)}
.ln-chk input{flex:none;width:26px;height:26px;margin:1px 0 0;accent-color:var(--ln-green);cursor:pointer}
.ln-chk li small{display:block;margin-top:2px;font-size:15px;color:var(--ln-sub);line-height:1.55}
.ln-chk input:checked+span{color:var(--ln-faint);text-decoration:line-through;text-decoration-color:color-mix(in srgb,var(--ln-faint) 60%,transparent)}
.ln-chk input:checked+span small{text-decoration:none}
.ln-chk-sec{margin:0;padding:12px 18px 2px;font-size:15px;font-weight:900;color:var(--ln-accent-t)}
.ln-chk-f{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;padding:12px 16px 14px;border-top:1px solid var(--ln-line);font-size:15px;color:var(--ln-faint);line-height:1.55}
.ln-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border:1.5px solid var(--ln-line);border-radius:12px;background:var(--ln-card);color:var(--ln-ink);font:inherit;font-size:15px;font-weight:800;cursor:pointer}
.ln-btn:hover{border-color:var(--ln-accent)}
.ln-btn.main{background:var(--ln-accent);border-color:var(--ln-accent);color:var(--ln-on-accent)}

/* 계산기 */
.ln-calc{margin:28px 0;border:2px solid var(--ln-accent);border-radius:22px;background:var(--ln-card);overflow:hidden}
.ln-calc-h{padding:14px 18px;background:var(--ln-accent);color:var(--ln-on-accent)}
.ln-calc-h b{display:block;font-size:19px;font-weight:900}
.ln-calc-h span{font-size:15px;opacity:.92}
.ln-calc form{padding:16px 18px 6px}
.ln-modes{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px;padding:0;border:0}
.ln-modes legend{padding:0;margin:0 0 8px;font-size:15px;font-weight:900}
.ln-modes label{position:relative}
.ln-modes input{position:absolute;opacity:0;pointer-events:none}
.ln-modes span{display:inline-flex;align-items:center;min-height:46px;padding:0 14px;border:1.5px solid var(--ln-line);border-radius:12px;background:var(--ln-card);font-size:15px;font-weight:800;cursor:pointer;line-height:1.3}
.ln-modes input:checked+span{background:var(--ln-accent);border-color:var(--ln-accent);color:var(--ln-on-accent)}
.ln-modes input:focus-visible+span{outline:3px solid color-mix(in srgb,var(--ln-accent) 45%,transparent);outline-offset:2px}
.ln-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 12px}
.ln-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.ln-field label{font-size:15px;font-weight:800}
.ln-field .ln-in{display:flex;align-items:center;height:52px;border:1.5px solid var(--ln-line);border-radius:12px;background:var(--ln-bg);padding:0 12px}
.ln-field .ln-in:focus-within{border-color:var(--ln-accent)}
.ln-field input{flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;color:var(--ln-ink);font:inherit;font-size:18px;font-weight:800}
.ln-field .ln-in span{flex:none;font-size:15px;font-weight:800;color:var(--ln-faint)}
.ln-hint{margin:0 0 12px;font-size:15px;line-height:1.6;color:var(--ln-sub)}
.ln-msg{margin:0 0 12px;font-size:15px;font-weight:800;color:var(--ln-red)}
.ln-msg:empty{display:none}
.ln-out{padding:2px 18px 18px}
.ln-out[hidden]{display:none}
.ln-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:6px 0 16px}
.ln-kpi{padding:12px 12px 10px;border-radius:14px;background:var(--ln-soft);text-align:center}
.ln-kpi small{display:block;font-size:15px;font-weight:800;color:var(--ln-sub)}
.ln-kpi b{display:block;margin-top:2px;font-size:clamp(22px,5.4vw,28px);font-weight:900;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.ln-kpi em{display:block;font-style:normal;font-size:15px;color:var(--ln-faint)}
.ln-zones{display:flex;flex-direction:column;gap:8px;margin:0 0 6px;padding:0;list-style:none}
.ln-zone{display:grid;grid-template-columns:44px minmax(0,1fr);gap:4px 10px;align-items:center}
.ln-zone>b{grid-row:1/4;display:grid;place-items:center;height:44px;border-radius:12px;color:#fff;font-size:16px;font-weight:900}
.ln-zone .zt{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 8px;font-size:15.5px;font-weight:900;line-height:1.35}
.ln-zone .zt small{font-size:15px;font-weight:700;color:var(--ln-sub)}
.ln-zone .zb{height:12px;border-radius:99px;background:var(--ln-soft2);overflow:hidden}
.ln-zone .zb i{display:block;height:100%;border-radius:99px;min-width:3px}
.ln-zone .zb,.ln-zone .zw{grid-column:2}
.ln-zone .zw{font-size:16px;font-weight:900;font-variant-numeric:tabular-nums}
.ln-zone .zw span{font-weight:700;font-size:15px;color:var(--ln-sub);margin-left:6px}
.z1{background:#66778a}.z2{background:#2f6db0}.z3{background:#2f7a4b}.z4{background:#9a7208}.z5{background:#c4580f}.z6{background:#c0352b}.z7{background:#7a3aa8}
.ln-svg .zf1{fill:#66778a}.ln-svg .zf2{fill:#2f6db0}.ln-svg .zf3{fill:#2f7a4b}.ln-svg .zf4{fill:#9a7208}.ln-svg .zf5{fill:#c4580f}.ln-svg .zf6{fill:#c0352b}.ln-svg .zf7{fill:#7a3aa8}
.ln-calc-n{margin:0;padding:12px 18px 16px;border-top:1px solid var(--ln-line);font-size:15px;line-height:1.65;color:var(--ln-faint)}
.ln-level{margin:14px 0 0;padding:14px 16px;border-radius:14px;background:var(--ln-soft);font-size:15.5px;line-height:1.7}
.ln-level b{font-weight:900}

/* 글 끝 */
.ln-end{margin:50px 0 0;padding-top:6px;border-top:2px solid var(--ln-line)}
.ln-end h2{margin:26px 0 14px;font-size:22px;font-weight:900;letter-spacing:-.03em}
.ln-rel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:0 0 6px}
.ln-rel .ln-card h3{font-size:18px}
.ln-src{margin:0;padding:0 0 0 20px;font-size:15px;line-height:1.7}
.ln-src li{margin:0 0 6px;word-break:break-all}
.ln-src a{text-underline-offset:3px}
.ln-src small{color:var(--ln-faint);font-size:15px}
.ln-unv{margin:0;padding:16px 18px 6px;border:1.5px dashed var(--ln-line);border-radius:14px;font-size:15px;line-height:1.7;color:var(--ln-sub)}
.ln-unv ul{margin:0 0 10px;padding-left:20px}
.ln-stamp{margin:22px 0 0;font-size:15px;line-height:1.7;color:var(--ln-faint)}
.ln-yt{margin:26px 0 0;padding:18px;border-radius:18px;background:var(--ln-soft);display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}
.ln-yt p{margin:0;flex:1 1 220px;font-size:15.5px;line-height:1.6}
.ln-yt b{font-size:17px}

/* 그림(SVG) 색 토큰 */
.ln-svg text{font-family:inherit;fill:var(--ln-ink);font-weight:700}
.ln-svg .t-sub{fill:var(--ln-sub);font-weight:600}
.ln-svg .t-on{fill:#fff}.ln-svg .t-onc{fill:#fff}
.ln-svg .t-acc{fill:var(--ln-accent-t)}
.ln-svg .t-b{font-weight:900}
.ln-svg .f-ink{fill:var(--ln-ink)}.ln-svg .f-sub{fill:var(--ln-sub)}.ln-svg .f-card{fill:var(--ln-card)}.ln-svg .f-soft{fill:var(--ln-soft)}.ln-svg .f-soft2{fill:var(--ln-soft2)}.ln-svg .f-line{fill:var(--ln-line)}
.ln-svg .f-acc{fill:var(--ln-accent)}.ln-svg .f-blue{fill:var(--ln-blue)}.ln-svg .f-green{fill:var(--ln-green)}.ln-svg .f-red{fill:var(--ln-red)}.ln-svg .f-yel{fill:var(--ln-yellow)}
.ln-svg .f-acc-l{fill:var(--ln-accent);fill-opacity:.18}.ln-svg .f-blue-l{fill:var(--ln-blue);fill-opacity:.18}.ln-svg .f-green-l{fill:var(--ln-green);fill-opacity:.18}.ln-svg .f-red-l{fill:var(--ln-red);fill-opacity:.16}
.ln-svg .s-ink{fill:none;stroke:var(--ln-ink);stroke-linecap:round;stroke-linejoin:round}
.ln-svg .s-sub{fill:none;stroke:var(--ln-sub);stroke-linecap:round;stroke-linejoin:round}
.ln-svg .s-line{fill:none;stroke:var(--ln-line);stroke-linecap:round;stroke-linejoin:round}
.ln-svg .s-acc{fill:none;stroke:var(--ln-accent);stroke-linecap:round;stroke-linejoin:round}
.ln-svg .s-blue{fill:none;stroke:var(--ln-blue);stroke-linecap:round;stroke-linejoin:round}
.ln-svg .s-green{fill:none;stroke:var(--ln-green);stroke-linecap:round;stroke-linejoin:round}
.ln-svg .s-red{fill:none;stroke:var(--ln-red);stroke-linecap:round;stroke-linejoin:round}
.ln-svg .dash{stroke-dasharray:6 6}

/* 밝아진 강조색 위의 글자는 다크에서 어둡게 */
:root[data-theme="dark"] .ln-svg .t-onc{fill:#10130f}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ln-svg .t-onc{fill:#10130f}}
/* 7구간 보라(밝은 판·다크) */
.ln-svg .t-z7{fill:#7a3aa8}.ln-svg .s-z7{stroke:#7a3aa8;stroke-width:3;stroke-dasharray:7 6}
:root[data-theme="dark"] .ln-svg .t-z7{fill:#cfa6f5}:root[data-theme="dark"] .ln-svg .s-z7{stroke:#cfa6f5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ln-svg .t-z7{fill:#cfa6f5}:root:not([data-theme="light"]) .ln-svg .s-z7{stroke:#cfa6f5}}
/* 폰 */
@media (max-width:1000px){.ln-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
  .ln-main{padding:4px 16px 80px}
  .ln-tools{margin:14px -16px 4px;padding:10px 16px 8px}
  .ln-grid{grid-template-columns:1fr;gap:12px}
  .ln-card{flex-direction:row;border-radius:18px;min-height:132px}
  .ln-thumb{flex:none;width:118px;aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--ln-line)}
  .ln-thumb svg{width:100%;height:100%;object-fit:cover}
  .ln-cbody{padding:12px 14px 12px;gap:5px}
  .ln-card h3{font-size:18px}
  .ln-card p{font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .ln-rel{grid-template-columns:1fr}
  .ln-rel .ln-card{flex-direction:column}
  .ln-rel .ln-thumb{width:auto;aspect-ratio:8/5;border-right:0;border-bottom:1px solid var(--ln-line)}
  .ln-links{grid-template-columns:1fr}
  .ln-fields{grid-template-columns:1fr 1fr;gap:10px}
  .ln-kpis{gap:8px}
  .ln-body{font-size:17px}
  .ln-box{padding:14px 15px 4px}
  .ln-steps li{padding:13px 14px 13px 56px}
  .ln-steps li::before{left:12px}
  .ln-body th,.ln-body td{padding:10px 11px}
}
@media (max-width:640px){
  .ln-body table.stack thead{display:none}
  .ln-body table.stack,.ln-body table.stack tbody,.ln-body table.stack tr,.ln-body table.stack td,.ln-body table.stack th{display:block;width:100%}
  .ln-body table.stack tr{padding:12px 15px;border-top:1px solid var(--ln-line)}
  .ln-body table.stack tr:first-child{border-top:0}
  .ln-body table.stack td,.ln-body table.stack th{border:0;padding:3px 0;white-space:normal}
  .ln-body table.stack th[scope=row]{font-size:17px;padding-bottom:4px}
  .ln-body table.stack td::before{content:attr(data-label) '  ';font-size:15px;font-weight:800;color:var(--ln-faint)}
}
@media (max-width:380px){.ln-fields{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.ln-card,.ln-bar i,.ln-link{transition:none}.ln-card:hover{transform:none}}

/* 인쇄·캡처: 체크리스트 한 개만 */
@media print{
  body.ln-printing>*:not(main){display:none!important}
  body.ln-printing .ln-main>*:not(.ln-art),body.ln-printing .ln-art>*:not(.ln-body){display:none!important}
  body.ln-printing .ln-body>*:not(.ln-print-target){display:none!important}
  body.ln-printing .ln-print-target{display:block!important;border:0;margin:0}
  body.ln-printing .ln-chk-f .ln-btn{display:none!important}
  html body.ln-page{background:#fff;color:#000}
  .ln-chk label{font-size:13pt;padding:6px 4px}
  .ln-chk input{width:16px;height:16px}
  .ln-chk input:checked+span{color:#000;text-decoration:none}
  .ln-print-title{display:block!important}
}
.ln-print-title{display:none;margin:0 0 8px;font-size:18pt;font-weight:900}

.ln-foot{max-width:1120px;margin:30px auto 0;padding:18px 20px 40px;border-top:1px solid var(--ln-line);display:flex;flex-wrap:wrap;gap:8px 18px;font-size:15px;color:var(--ln-faint);box-sizing:border-box}
.ln-foot a{color:var(--ln-sub);font-weight:700;text-decoration:none}

/* ───────── 2026-10-04 재작업: 대표 이미지 · 주석 이미지 · 영상 카드 ───────── */
.ln-thumb img{display:block;width:100%;height:100%;object-fit:cover}
.ln-hero-img{margin:22px 0 4px}
.ln-hero-img img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:22px;background:var(--ln-soft)}
.ln-hero-img figcaption{margin:8px 4px 0;font-size:15px;color:var(--ln-faint);text-align:right}
.ln-annot{margin:28px 0}
.ln-annot-img{position:relative;border-radius:20px;overflow:hidden;background:var(--ln-soft)}
.ln-annot-img img{display:block;width:100%;height:auto}
.ln-pin{position:absolute;transform:translate(-50%,-50%);width:36px;height:36px;border-radius:50%;background:var(--ln-accent);color:var(--ln-on-accent);border:3px solid #fff;display:grid;place-items:center;font-size:17px;font-weight:900;line-height:1}
.ln-legend{counter-reset:lg;list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}
.ln-legend li{counter-increment:lg;display:flex;gap:11px;align-items:flex-start;margin:0;padding:0;font-size:16.5px;line-height:1.55}
.ln-legend li::before{content:counter(lg);flex:none;width:30px;height:30px;margin-top:1px;border-radius:50%;background:var(--ln-accent);color:var(--ln-on-accent);display:grid;place-items:center;font-size:16px;font-weight:900}
.ln-legend li b{display:block;font-weight:900}
.ln-legend li span{display:block;font-size:15.5px;color:var(--ln-sub)}
.ln-annot figcaption{margin:10px 2px 0;font-size:15px;line-height:1.6;color:var(--ln-faint)}
.ln-vids{display:grid;gap:12px;margin:0 0 6px}
.ln-vid{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1.5px solid var(--ln-line);border-radius:16px;background:var(--ln-card);color:var(--ln-ink)!important;text-decoration:none!important;transition:border-color .2s}
.ln-vid:hover{border-color:var(--ln-accent)}
.ln-play{flex:none;width:46px;height:46px;border-radius:50%;background:var(--ln-red);color:#fff;display:grid;place-items:center;font-size:18px;padding-left:3px}
.ln-vid b{display:block;font-size:16.5px;line-height:1.45;font-weight:900}
.ln-vid small{display:block;margin-top:2px;font-size:15px;color:var(--ln-sub);line-height:1.5}
@media (max-width:640px){
  .ln-legend{grid-template-columns:1fr}
  .ln-hero-img img{border-radius:18px}
  .ln-pin{width:32px;height:32px;font-size:16px}
}

/* ───────── 2026-10-04 허브 카드 재디자인: 대표 이미지 · 분류 칩 · 색 띠 · 추천 글 ───────── */
.ln-card{position:relative;border-radius:22px}
.ln-card::after{content:'';position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--ac,var(--ln-accent))}
.ln-thumb{position:relative;aspect-ratio:3/2;border-bottom:0;background:var(--ln-soft2)}
.ln-thumb img{transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.ln-card:hover .ln-thumb img{transform:scale(1.05)}
.ln-tchip{position:absolute;left:10px;top:10px;z-index:2;padding:5px 11px;border-radius:999px;background:var(--ac,var(--ln-accent));color:#fff;font-size:15px;font-weight:900;line-height:1.2;white-space:nowrap}
.ln-tpills{position:absolute;left:10px;bottom:10px;z-index:2;display:flex;flex-wrap:wrap;gap:6px}
.ln-tpill{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.95);color:#1f1c18;font-size:15px;font-weight:900;line-height:1.25;white-space:nowrap}
.ln-ai-mini{position:absolute;right:8px;bottom:8px;z-index:2;padding:2px 8px;border-radius:999px;background:rgba(20,16,12,.55);color:#fff;font-size:12px;font-weight:700;line-height:1.5;pointer-events:none}
.ln-cbody{padding:16px 18px 20px}
.ln-meta{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px;font-size:15px;font-weight:700;color:var(--ln-faint)}
.ln-meta b{color:var(--ln-ink)}
.ln-go{margin-left:auto;font-style:normal;font-weight:900;color:var(--ac,var(--ln-accent-t))}
.ln-featured{margin:26px 0 0}
.ln-feat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.ln-feat{position:relative;display:block;aspect-ratio:16/10;border-radius:26px;overflow:hidden;color:#fff!important;text-decoration:none!important;background:#2a251f;isolation:isolate}
.ln-feat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.ln-feat:hover img{transform:scale(1.04)}
.ln-feat-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,12,9,0) 30%,rgba(15,12,9,.86) 100%)}
.ln-feat::after{content:'';position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--ac,var(--ln-accent))}
.ln-feat-body{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;gap:7px;padding:22px 24px 26px;align-items:flex-start}
.ln-feat-body .ln-tchip{position:static}
.ln-feat-body>b{font-size:clamp(23px,3vw,30px);font-weight:900;letter-spacing:-.03em;line-height:1.25;word-break:keep-all;text-shadow:0 1px 8px rgba(0,0,0,.35)}
.ln-feat-sum{font-size:16.5px;line-height:1.55;color:rgba(255,255,255,.9);max-width:34em;word-break:keep-all}
.ln-feat-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;width:100%;margin-top:4px}
.ln-feat-cta{margin-left:auto;padding:9px 16px;border-radius:999px;background:#fff;color:#1f1c18;font-size:15.5px;font-weight:900}
.ln-feat .ln-ai-mini{top:12px;right:12px;bottom:auto}
@media (max-width:640px){
  .ln-feat-grid{grid-template-columns:1fr;gap:14px}
  .ln-feat{aspect-ratio:4/3.1;border-radius:22px}
  .ln-feat-body{padding:16px 16px 20px}
  .ln-feat-sum{font-size:15.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .ln-card{min-height:188px;border-radius:20px}
  .ln-thumb{flex:none;width:138px;aspect-ratio:auto;align-self:stretch}
  .ln-thumb img{height:100%}
  .ln-tchip{left:8px;top:8px;padding:4px 9px;font-size:15px}
  .ln-tpills{left:8px;bottom:8px;gap:4px}
  .ln-tpill{padding:3px 8px;font-size:15px}
  .ln-thumb .ln-ai-mini{left:0;right:0;bottom:0;top:auto;border-radius:0;text-align:center;font-size:11px;padding:2px 0;background:rgba(20,16,12,.55)}
  .ln-thumb .ln-tpills{bottom:28px}
  .ln-cbody{padding:12px 14px 16px}
  .ln-go{display:none}
}

.ln-legend li .lg{display:block;min-width:0}
.ln-legend li .lg>b{display:block;font-weight:900}
.ln-legend li .lg>span{display:block}

/* ───────── 글 레이아웃: PC 오른쪽 차례 · 읽기 진행 막대 · 핵심 요약 · 큰 숫자 ───────── */
.ln-bar-read{position:fixed;left:0;top:0;right:0;height:4px;z-index:60;background:transparent;pointer-events:none}
.ln-bar-read i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--ln-accent),var(--ln-yellow))}
.ln-layout{max-width:1120px;margin:0 auto}
.ln-tldr{margin:22px 0 4px;padding:18px 20px 8px;border-radius:20px;background:var(--ln-tip);border:1.5px solid var(--ln-tip-b)}
.ln-tldr>b{display:block;margin:0 0 8px;font-size:17px;font-weight:900}
.ln-tldr ul{margin:0;padding:0;list-style:none}
.ln-tldr li{position:relative;margin:0 0 10px;padding-left:28px;font-size:16.5px;line-height:1.65}
.ln-tldr li::before{content:'✓';position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--ln-accent);color:var(--ln-on-accent);display:grid;place-items:center;font-size:13px;font-weight:900}
.ln-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:24px 0}
.ln-stat{padding:16px 14px 14px;border-radius:18px;background:var(--ln-card);border:1.5px solid var(--ln-line);text-align:center}
.ln-stat b{display:block;font-size:clamp(26px,5vw,34px);font-weight:900;letter-spacing:-.03em;color:var(--ln-accent-t);line-height:1.15;font-variant-numeric:tabular-nums}
.ln-stat span{display:block;margin-top:6px;font-size:15px;line-height:1.45;color:var(--ln-sub)}
@media (min-width:1100px){
  .ln-layout{display:grid;grid-template-columns:minmax(0,740px) 250px;gap:48px;justify-content:center;align-items:start}
  .ln-art{margin:0;max-width:none}
  .ln-art>.ln-toc{display:none}
  .ln-side{position:sticky;top:76px;padding:6px 0 0;max-height:calc(100vh - 100px);overflow:auto}
  .ln-side>b{display:block;margin:0 0 10px;font-size:15px;font-weight:900;letter-spacing:.06em;color:var(--ln-faint)}
  .ln-side ol{margin:0;padding:0;list-style:none;border-left:3px solid var(--ln-line)}
  .ln-side li{margin:0}
  .ln-side li a{display:block;padding:9px 0 9px 16px;margin-left:-3px;border-left:3px solid transparent;font-size:15.5px;line-height:1.45;color:var(--ln-sub);text-decoration:none;word-break:keep-all}
  .ln-side li a:hover{color:var(--ln-ink)}
  .ln-side li a.on{color:var(--ln-accent-t);font-weight:900;border-left-color:var(--ln-accent)}
}
@media (max-width:1099px){.ln-side{display:none}}
.ln-stat:last-child:nth-child(odd){grid-column:1/-1}