:root{--c:#d0281c;--ink:#1f2328;--muted:#5d6570;--line:#e3e6ea}
*{box-sizing:border-box}
body{margin:0;background:#fafafa;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;line-height:1.6}
a{color:inherit}
.yh-top{background:#fff;border-bottom:1px solid var(--line)}
.yh-top .in{max-width:960px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:12px}
.yh-logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:800;font-size:18px}
.yh-logo i{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--c);color:#fff;font-style:normal;font-size:15px}
.yh-top nav{margin-left:auto;font-size:14px}
.yh-top nav a{text-decoration:none;color:var(--muted);margin-left:14px;white-space:nowrap}.yh-top nav a:hover{color:var(--c)}
@media(max-width:420px){.yh-top nav a{margin-left:9px;font-size:13px}.yh-logo{font-size:16px}}
main{max-width:960px;margin:0 auto;padding:22px 16px 40px}
.yh-head{max-width:760px;margin:0 auto}
h1{font-size:26px;margin:0 0 6px;line-height:1.35}
.lead{color:var(--muted);margin:0 0 6px}
.yh-after{max-width:760px;margin:0 auto}
.yh-after h2{font-size:19px;margin:28px 0 8px}
.yh-after li{margin:4px 0}
.yh-after .warn{background:#fff7e6;border:1px solid #f3d9a4;border-radius:10px;padding:12px 14px;font-size:14px}
.yh-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-top:12px}
.yh-card{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;transition:border-color .15s,transform .15s}
.yh-card:hover{border-color:var(--c);transform:translateY(-1px)}
.yh-card i{flex:0 0 40px;height:40px;border-radius:10px;display:grid;place-items:center;background:#fff4f3;color:var(--c);font-style:normal;font-weight:800;font-size:18px}
.yh-card b{display:block;font-size:15px}
.yh-card span{display:block;font-size:13px;color:var(--muted);line-height:1.5;margin-top:2px}
.yh-more{max-width:760px;margin:36px auto 0}
.yh-more h2{font-size:17px;margin:0}
.yh-cat{font-size:18px;margin:28px 0 0}.yh-cat small{font-size:13px;color:var(--muted);font-weight:400;margin-left:4px}
.yh-after code{background:#f1f2f4;border-radius:4px;padding:1px 5px;font-size:.92em}
.yh-after a{color:var(--c)}
.yh-bc{font-size:13px;color:var(--muted);margin:0 0 8px}.yh-bc a{color:var(--muted);text-decoration:none}.yh-bc a:hover{text-decoration:underline}.yh-bc span{margin:0 6px}
.g-art{max-width:760px;margin:0 auto}.g-art h1{font-size:28px}.g-art h2{font-size:21px;margin:34px 0 10px;scroll-margin-top:12px}.g-art h3{font-size:17px;margin:22px 0 6px}.g-art p,.g-art li{font-size:16px}.g-art li{margin:6px 0}
.g-meta{font-size:13px;color:var(--muted);margin:4px 0 16px}.g-meta span+span:before{content:" · "}
.g-sum{background:#fff;border:1px solid var(--line);border-left:5px solid var(--c);border-radius:12px;padding:16px 18px;margin:8px 0 18px}.g-sum-t{font-weight:800;margin:0 0 4px}.g-sum ol{margin:6px 0 10px;padding-left:22px}
.g-facts{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px;padding:0}.g-facts span{font-size:13px;background:#f4f5f7;border-radius:999px;padding:3px 10px;color:var(--muted)}
.g-cta{display:inline-block;background:var(--c);color:#fff!important;text-decoration:none!important;font-weight:800;padding:11px 18px;border-radius:10px}.g-cta:hover{filter:brightness(.95)}
.g-toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 18px;margin:0 0 8px}.g-toc p{margin:0 0 4px;font-weight:700;font-size:14px}.g-toc ol{margin:0;padding-left:20px}.g-toc li{font-size:14px;margin:2px 0}.g-toc a{text-decoration:none}
.g-art figure{margin:16px 0}.g-art figure img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line);background:#fff}.g-art figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.g-ba{display:grid;grid-template-columns:1.4fr 1fr;gap:12px;align-items:start}.g-ba figure{margin:0}
.g-checker img{background-color:#fff;background-image:linear-gradient(45deg,#e9ebee 25%,transparent 25%),linear-gradient(-45deg,#e9ebee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9ebee 75%),linear-gradient(-45deg,transparent 75%,#e9ebee 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}
.g-tblw{overflow-x:auto;margin:12px 0}.g-tbl{width:100%;border-collapse:collapse;font-size:15px;background:#fff;min-width:520px}.g-tbl th,.g-tbl td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}.g-tbl th{background:#f6f7f8;white-space:nowrap}
.g-art a{color:var(--c)}.g-art .warn{background:#fff7e6;border:1px solid #f3d9a4;border-radius:10px;padding:12px 14px;font-size:15px}
.g-art .tip{background:#eef8f1;border:1px solid #cfe9d8;border-radius:10px;padding:12px 14px;font-size:15px}
.g-art kbd{font-family:inherit;font-size:.85em;border:1px solid #cfd3d8;border-bottom-width:2px;border-radius:5px;padding:0 5px;background:#fff}
.g-end{margin:34px 0 0;text-align:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.g-rel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:18px 0 0;font-size:15px}.g-rel b{margin-right:6px}
@media(max-width:600px){.g-ba{grid-template-columns:1fr}.g-art h1{font-size:24px}}
.yh-search{margin:16px 0 4px;position:relative}.yh-search input{width:100%;font:inherit;font-size:17px;padding:14px 16px;border:2px solid var(--line);border-radius:14px;background:#fff;outline:none}.yh-search input:focus{border-color:var(--c)}
.yh-hint{font-size:13px;color:var(--muted);margin:6px 2px 0}.yh-hint a{color:var(--muted);margin-right:8px}
.yh-sec-btn{font:inherit;font-size:12px;font-weight:400;color:var(--muted);background:none;border:1px solid var(--line);border-radius:999px;padding:2px 10px;margin-left:8px;cursor:pointer;vertical-align:middle}
.yh-none{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:14px;color:var(--muted);font-size:14px;margin-top:12px}
.yh-cat a{text-decoration:none}.yh-cat a:hover{color:var(--c)}.yh-tips{margin:14px 0 0;padding-left:20px}.yh-tips li{margin:3px 0}.yh-tips a{color:var(--c)}
footer{border-top:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted)}
footer .in{max-width:960px;margin:0 auto;padding:18px 16px}
footer nav{margin-top:6px}footer nav a{color:var(--muted);margin-right:12px;white-space:nowrap}
.yh-lic{width:100%;border-collapse:collapse;font-size:14px;background:#fff}.yh-lic th,.yh-lic td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}.yh-lic th{background:#f6f7f8}
@media(max-width:600px){.yh-lic,.yh-lic tbody,.yh-lic tr,.yh-lic td{display:block;width:100%}.yh-lic thead{display:none}.yh-lic tr{border:1px solid var(--line);border-radius:8px;margin-bottom:8px}.yh-lic td{border:0;padding:4px 10px}}
/* ---- 2026-10-12 시인성 개편 (A50+B50): 네이비 헤더·밝은 배경·큰 제목 ---- */
:root{--navy:#111827;--bg:#f6f8fc;--ink:#172033;--muted:#475569;--line:#dde3ec}
body{background:var(--bg);font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif}
.yh-top{background:var(--navy);border-bottom:0;position:sticky;top:0;z-index:20}
.yh-top .in{max-width:1200px;padding:10px 16px}
.yh-logo{color:#fff}
.yh-top nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.yh-top nav::-webkit-scrollbar{display:none}
.yh-top nav a{color:#cbd5e1;margin:0;padding:7px 10px;border-radius:8px;font-size:14px;font-weight:600}
.yh-top nav a:hover,.yh-top nav a:focus-visible{color:#fff;background:rgba(255,255,255,.1)}
.yh-top nav a.k{color:#fff;background:var(--c)}.yh-top nav a.k:hover{filter:brightness(1.08);background:var(--c)}
@media(max-width:720px){.yh-top .in{flex-wrap:wrap;gap:6px}.yh-top nav{margin-left:0;width:100%}.yh-top nav a{font-size:13px;padding:6px 9px}}
.yh-logo{flex:0 0 auto;white-space:nowrap}
@media(max-width:1100px){.yh-top .in{flex-wrap:wrap;gap:6px}.yh-top nav{margin-left:0;width:100%;order:2}.yh-top .yh-lang{order:1;margin-left:auto}}
main.wide{max-width:1200px}
h1{font-size:30px;letter-spacing:-.02em}
.yh-card{border-color:var(--line);box-shadow:0 1px 2px rgba(16,24,40,.04)}
.yh-card:hover{box-shadow:0 6px 18px rgba(16,24,40,.08)}
.yh-cat{font-size:21px;letter-spacing:-.01em}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #2563eb;outline-offset:2px}
footer .in{max-width:1200px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.yh-lang{position:relative;margin-left:8px;flex:0 0 auto}.yh-lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:5px;color:#e2e8f0;font-size:13px;font-weight:700;padding:7px 10px;border:1px solid rgba(255,255,255,.25);border-radius:8px;white-space:nowrap}.yh-lang summary::-webkit-details-marker{display:none}.yh-lang summary:after{content:"▾";font-size:11px;opacity:.8}.yh-lang[open] summary,.yh-lang summary:hover{background:rgba(255,255,255,.1);color:#fff}.yh-lang .m{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(16,24,40,.18);padding:6px;min-width:200px;z-index:40}.yh-lang .m a{display:flex;justify-content:space-between;gap:10px;color:var(--ink);text-decoration:none;padding:9px 12px;border-radius:8px;font-size:14px}.yh-lang .m a:hover{background:#f1f5f9}.yh-lang .m a[aria-current]{font-weight:800;color:var(--c)}.yh-lang .m small{color:var(--muted);font-size:11px;font-weight:400}@media(max-width:720px){.yh-lang{order:1;margin-left:auto}.yh-top nav{order:2}}.l-badge{display:inline-block;background:#eef8f1;border:1px solid #cfe9d8;color:#166534;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700;margin:6px 0 4px}
.l-why{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:12px}.l-why div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}.l-why b{display:block;margin-bottom:4px}.l-why p{margin:0;font-size:14px;color:var(--muted)}
.l-hero{max-width:860px;margin:10px auto 6px;text-align:center}.l-hero h1{font-size:34px;line-height:1.25}.l-hero p{color:var(--muted);font-size:17px;margin:6px 0}
.l-ko{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:14px 16px;margin-top:26px;font-size:14px;color:var(--muted)}.l-ko a{color:var(--c);font-weight:700}
@media(max-width:600px){.l-hero h1{font-size:26px}}.yh-card i svg{width:20px;height:20px}.yh-card i.tf{background:#fdeeeb;color:#c8321f}.yh-card i.tp{background:#eaf0ff;color:#2f5bd3}.yh-card i.tc{background:#fff3df;color:#b0600a}.yh-card i.ti{background:#e6f4ee;color:#13805c}.yh-card i.tw{background:#f1edfb;color:#6c46c9}.yh-card i.te{background:#e8edf9;color:#16213a}body.pg-home .yh-card i.tf{background:#fdeeeb;color:#c8321f}body.pg-home .yh-card i.tp{background:#eaf0ff;color:#2f5bd3}body.pg-home .yh-card i.tc{background:#fff3df;color:#b0600a}body.pg-home .yh-card i.ti{background:#e6f4ee;color:#13805c}body.pg-home .yh-card i.tw{background:#f1edfb;color:#6c46c9}body.pg-home .yh-card i.te{background:#e8edf9;color:#16213a}