:root{--bg: #ffffff;--bg-soft: #f4f7fb;--bg-elev: #ffffff;--border: #dfe6ef;--border-strong: #c6d2e0;--text: #17222f;--text-soft: #4c5b6d;--text-muted: #6b7a8d;--brand: #1462b8;--brand-strong: #0e4a8d;--brand-soft: #e7f0fb;--accent: #0f9488;--accent-soft: #e2f5f2;--warn-soft: #fff5e2;--warn-border: #edc887;--warn-text: #7a5410;--shadow: 0 1px 2px rgba(19, 38, 60, .06), 0 8px 24px rgba(19, 38, 60, .07);--radius: 14px;--radius-sm: 9px;--wrap: 1120px;--font: system-ui, -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", Roboto, sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #10161d;--bg-soft: #161f29;--bg-elev: #18222d;--border: #2a3644;--border-strong: #3a4959;--text: #e8eef5;--text-soft: #b3c1d1;--text-muted: #8c9bad;--brand: #6bb0f5;--brand-strong: #a3ceff;--brand-soft: #17293e;--accent: #4fd1c2;--accent-soft: #14312e;--warn-soft: #34290f;--warn-border: #6b551f;--warn-text: #f0d29a;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35)}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.75;word-break:keep-all;overflow-wrap:anywhere;display:flex;flex-direction:column;min-height:100vh}img,svg{max-width:100%;height:auto;display:block}a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--brand-strong)}h1,h2,h3,h4{line-height:1.35;letter-spacing:-.02em;margin:0 0 .5em}h1{font-size:clamp(1.7rem,1.2rem + 2.2vw,2.6rem)}h2{font-size:clamp(1.35rem,1.1rem + 1.1vw,1.75rem);margin-top:2.2em}h3{font-size:1.15rem;margin-top:1.8em}p,ul,ol{margin:0 0 1.1em}ul,ol{padding-left:1.3em}li{margin-bottom:.45em}hr{border:0;border-top:1px solid var(--border);margin:2.5rem 0}small{font-size:.875rem}:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}.wrap-narrow{max-width:760px}main{flex:1 0 auto;padding-bottom:4rem}.section{margin-top:3.5rem}.skip-link{position:absolute;left:-9999px;top:0;z-index:99;background:var(--brand);color:#fff;padding:.7rem 1.1rem;border-radius:0 0 8px}.skip-link:focus{left:0;color:#fff}.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;gap:1rem;min-height:62px}.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.02rem;color:var(--text);text-decoration:none;letter-spacing:-.03em;white-space:nowrap}.brand:hover{color:var(--brand)}.brand-mark{width:30px;height:30px;flex:none}.nav{margin-left:auto}.nav ul{display:flex;gap:.3rem;list-style:none;margin:0;padding:0}.nav a{display:block;padding:.45rem .75rem;border-radius:8px;font-size:.95rem;font-weight:600;color:var(--text-soft);text-decoration:none}.nav a:hover{background:var(--bg-soft);color:var(--brand)}.nav a[aria-current=page]{background:var(--brand-soft);color:var(--brand-strong)}.nav-toggle{margin-left:auto;display:none;background:none;border:1px solid var(--border-strong);border-radius:8px;padding:.4rem .6rem;color:var(--text);cursor:pointer;font:inherit}@media(max-width:820px){.nav-toggle{display:block}.nav{margin-left:0;display:none;width:100%;padding-bottom:.8rem}.nav.open{display:block}.nav ul{flex-direction:column;gap:.15rem}.header-inner{flex-wrap:wrap}}.site-footer{flex:none;margin-top:auto;border-top:1px solid var(--border);background:var(--bg-soft);padding:2.6rem 0 2rem;font-size:.92rem;color:var(--text-soft)}.footer-grid{display:grid;gap:2rem;grid-template-columns:1.4fr 1fr 1fr}@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}.footer-about{grid-column:1 / -1}}.site-footer h2{font-size:.82rem;margin:0 0 .7rem;text-transform:uppercase;letter-spacing:.09em;color:var(--text-muted)}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin-bottom:.4rem}.site-footer a{color:var(--text-soft);text-decoration:none}.site-footer a:hover{color:var(--brand);text-decoration:underline}.footer-bottom{margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;justify-content:space-between;font-size:.86rem;color:var(--text-muted)}.grid{display:grid;gap:1rem}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.grid-2{grid-template-columns:repeat(auto-fill,minmax(310px,1fr))}.card{display:flex;flex-direction:column;gap:.45rem;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:1.15rem 1.25rem;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease}a.card:hover{transform:translateY(-2px);border-color:var(--brand)}.card h3{margin:0;font-size:1.06rem}.card p{margin:0;font-size:.93rem;color:var(--text-soft);line-height:1.65}.card-meta{font-size:.8rem;color:var(--text-muted);font-weight:600;letter-spacing:.02em}.card-media{margin:-1.15rem -1.25rem .35rem;aspect-ratio:2 / 1;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:var(--bg-soft)}.card-media>svg{border-radius:var(--radius) var(--radius) 0 0}.page-hero{aspect-ratio:2.6 / 1;overflow:hidden;border-radius:var(--radius);margin:0 0 1.8rem;box-shadow:var(--shadow);background:var(--bg-soft)}@media(max-width:620px){.page-hero{aspect-ratio:2 / 1}}.figure{margin:2rem 0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--bg-elev)}.figure svg{display:block;width:100%;height:auto}.figure figcaption{padding:.75rem 1.1rem;font-size:.87rem;color:var(--text-muted);border-top:1px solid var(--border);background:var(--bg-soft)}.stats{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin:2rem 0 0;padding:1.6rem 1.4rem;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(135deg,var(--brand-soft),var(--accent-soft))}.stat-value{display:block;font-size:2rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;color:var(--brand-strong)}.stat-label{font-size:.88rem;color:var(--text-soft)}.steps{counter-reset:step;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.step{position:relative;padding:1.4rem 1.3rem 1.3rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);box-shadow:var(--shadow)}.step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;margin-bottom:.7rem;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:1rem}.step h3{margin:0 0 .35rem;font-size:1.02rem}.step p{margin:0;font-size:.93rem;color:var(--text-soft)}.icon-card{align-items:flex-start}.icon-badge{display:grid;place-items:center;width:44px;height:44px;margin-bottom:.3rem;border-radius:12px;background:var(--brand-soft);color:var(--brand-strong)}.icon-badge svg{width:24px;height:24px}.badge{display:inline-block;font-size:.76rem;font-weight:700;padding:.18rem .55rem;border-radius:999px;background:var(--brand-soft);color:var(--brand-strong)}.badge-accent{background:var(--accent-soft);color:var(--accent)}.notice{border:1px solid var(--border);border-left:4px solid var(--brand);background:var(--bg-soft);border-radius:var(--radius-sm);padding:1rem 1.15rem;margin:1.6rem 0;font-size:.94rem}.notice>:last-child{margin-bottom:0}.notice strong{color:var(--text)}.notice-warn{border-left-color:var(--warn-border);background:var(--warn-soft);color:var(--warn-text)}.notice-warn strong{color:var(--warn-text)}.table-scroll{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--border);border-radius:var(--radius-sm)}table{border-collapse:collapse;width:100%;font-size:.93rem;min-width:460px}th,td{padding:.7rem .9rem;text-align:left;border-bottom:1px solid var(--border)}thead th{background:var(--bg-soft);font-weight:700;white-space:nowrap}tbody tr:last-child td{border-bottom:0}.crumbs{font-size:.85rem;color:var(--text-muted);margin:1.4rem 0 .6rem}.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;margin:0;padding:0}.crumbs li:after{content:"›";margin-left:.35rem;color:var(--border-strong)}.crumbs li:last-child:after{content:""}.crumbs a{color:var(--text-muted);text-decoration:none}.crumbs a:hover{color:var(--brand);text-decoration:underline}.prose{font-size:1.03rem}.prose h2{padding-top:.3rem;border-top:1px solid var(--border)}.prose blockquote{margin:1.5rem 0;padding:.3rem 0 .3rem 1.1rem;border-left:4px solid var(--accent);color:var(--text-soft);font-style:normal}.prose code{background:var(--bg-soft);border:1px solid var(--border);padding:.1em .38em;border-radius:5px;font-size:.88em}.page-lead{font-size:1.12rem;color:var(--text-soft);margin-bottom:1.6rem}.meta-line{font-size:.86rem;color:var(--text-muted);margin-bottom:1.6rem}.btn{display:inline-block;padding:.62rem 1.15rem;border-radius:9px;font-weight:700;font-size:.95rem;text-decoration:none;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-strong);color:#fff}.btn-ghost{border-color:var(--border-strong);color:var(--text);background:var(--bg-elev)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.btn-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.4rem}.ad-slot{margin:2.4rem 0;text-align:center;min-height:1px}.ad-slot small{display:block;color:var(--text-muted);font-size:.72rem;letter-spacing:.1em;margin-bottom:.35rem}.text-muted{color:var(--text-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}