:root{--red:#d52b1e;--red-dark:#a82017;--ink:#17212b;--navy:#17324d;--muted:#62717d;--line:#dfe6e2;--bg:#f5f7f4;--surface:#fff;--green:#18715c;--green-soft:#e8f5ef;--amber:#8a5b0b;--amber-soft:#fff6df;--shadow:0 18px 50px rgba(23,50,77,.08);--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 12% 0,rgba(213,43,30,.07),transparent 26%),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR",Arial,sans-serif;line-height:1.78}a{color:inherit;text-decoration:none}img{max-width:100%}.skip-link{position:fixed;left:16px;top:-70px;z-index:100;padding:10px 15px;border-radius:10px;background:var(--ink);color:#fff}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(223,230,226,.92);background:rgba(255,255,255,.92);backdrop-filter:blur(16px)}.header-inner{max-width:var(--max);min-height:70px;margin:auto;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:950;letter-spacing:-.03em}.brand-logo-wrap{width:50px;height:42px;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff;box-shadow:0 8px 22px rgba(23,50,77,.13)}.brand-logo{width:100%;height:100%;object-fit:contain}.brand-copy small{display:block;margin-top:3px;color:var(--muted);font-size:9px;letter-spacing:.13em}.header-nav{display:flex;align-items:center;gap:15px;font-size:13px;font-weight:850}.header-nav a:hover{color:var(--red)}.nav-cta{padding:8px 13px;border-radius:999px;background:var(--navy);color:#fff!important}.page-hero{padding:72px 20px 42px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.58)}.hero-inner{max-width:900px;margin:auto}.eyebrow{margin:0 0 12px;color:var(--red);font-size:12px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.eyebrow:before{content:"";display:inline-block;width:26px;height:2px;margin:0 9px 3px 0;background:currentColor}.page-hero h1{max-width:820px;margin:0;font-size:clamp(36px,6vw,62px);line-height:1.13;letter-spacing:-.045em}.lead{max-width:790px;margin:20px 0 0;color:#50606c;font-size:18px}.meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:12px;font-weight:800}.meta span{padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:#fff}.article-shell{max-width:1120px;margin:0 auto;padding:42px 20px 90px;display:grid;grid-template-columns:minmax(0,760px) 280px;gap:38px;align-items:start}.article{padding:34px;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow)}.article h2{margin:42px 0 13px;font-size:29px;line-height:1.3;letter-spacing:-.035em}.article h2:first-child{margin-top:0}.article h3{margin:28px 0 9px;font-size:20px;line-height:1.4;letter-spacing:-.02em}.article p{margin:0 0 17px;color:#344552}.article ul,.article ol{margin:0 0 22px;padding-left:22px;color:#344552}.article li+li{margin-top:8px}.article strong{color:var(--ink)}.article a{color:#135f8a;text-decoration:underline;text-underline-offset:3px}.summary-box,.tip-box,.warning-box{margin:0 0 26px;padding:20px 22px;border-radius:18px}.summary-box{border:1px solid #cfe2da;background:var(--green-soft)}.tip-box{border-left:4px solid var(--green);background:#f3faf7}.warning-box{border-left:4px solid #c37a0e;background:var(--amber-soft)}.summary-box h2,.tip-box h3,.warning-box h3{margin:0 0 8px;font-size:18px}.summary-box p:last-child,.tip-box p:last-child,.warning-box p:last-child{margin-bottom:0}.decision-table{width:100%;margin:18px 0 28px;border-collapse:collapse;font-size:14px}.decision-table th,.decision-table td{padding:13px 12px;border:1px solid var(--line);vertical-align:top;text-align:left}.decision-table th{background:#f1f5f3;color:var(--navy)}.checklist{display:grid;gap:10px;padding:0!important;list-style:none}.checklist li{position:relative;padding:12px 14px 12px 42px;border:1px solid var(--line);border-radius:13px;background:#fafbf9}.checklist li:before{content:"✓";position:absolute;left:14px;top:11px;width:20px;height:20px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900}.source-list{padding-left:0!important;list-style:none}.source-list li{padding:12px 0;border-bottom:1px solid var(--line)}.source-list small{display:block;color:var(--muted)}.aside{position:sticky;top:92px;display:grid;gap:15px}.aside-card{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 9px 28px rgba(23,50,77,.05)}.aside-card h2{margin:0 0 11px;font-size:17px}.aside-card a{display:block;padding:8px 0;border-bottom:1px solid #edf1ef;color:#40505c;font-size:13px;font-weight:800}.aside-card a:last-child{border:0}.aside-card p{margin:0 0 13px;color:var(--muted);font-size:13px}.aside-cta{display:block;padding:11px 14px!important;border:0!important;border-radius:11px;background:var(--red);color:#fff!important;text-align:center}.guide-index{max-width:1120px;margin:auto;padding:50px 20px 90px}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide-card{display:flex;flex-direction:column;min-height:290px;padding:25px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow);transition:.18s}.guide-card:hover{transform:translateY(-3px);border-color:#cad4cf}.guide-card .tag{align-self:flex-start;padding:5px 9px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:11px;font-weight:900}.guide-card h2{margin:16px 0 9px;font-size:24px;line-height:1.35;letter-spacing:-.025em}.guide-card p{margin:0 0 20px;color:var(--muted)}.guide-card .read{margin-top:auto;color:var(--red);font-weight:900}.about-block{margin-top:36px;padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff}.about-block h2{margin-top:0}.site-footer{border-top:1px solid var(--line);background:#fff}.footer-inner{max-width:var(--max);margin:auto;padding:30px 20px;display:grid;grid-template-columns:1fr auto;gap:28px;color:var(--muted);font-size:13px}.footer-inner p{max-width:690px;margin:6px 0 0}.footer-links{display:flex;gap:14px;flex-wrap:wrap;align-content:flex-start;font-weight:800}.author-note{margin-top:38px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.author-note b{display:block;color:var(--ink);font-size:15px}.related{margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}.related h2{margin-top:0;font-size:22px}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.related a{padding:13px;border:1px solid var(--line);border-radius:12px;background:#fafbf9;text-decoration:none;font-weight:850;font-size:13px}
@media(max-width:900px){.article-shell{grid-template-columns:1fr}.aside{position:static;grid-template-columns:repeat(2,1fr)}.header-nav a:not(.nav-cta){display:none}.guide-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}}
@media(max-width:620px){.header-inner{padding-inline:14px}.brand-copy small{display:none}.page-hero{padding:48px 16px 34px}.lead{font-size:16px}.article-shell,.guide-index{padding:28px 12px 64px}.article{padding:22px 18px}.article h2{font-size:25px}.aside{grid-template-columns:1fr}.decision-table{display:block;overflow-x:auto}.related-grid{grid-template-columns:1fr}.guide-card{min-height:0}}