:root{--bg:#f5f6f8;--surface:#fff;--surface2:#f0f2f5;--border:#e4e7ec;--text:#15181d;--muted:#5c6370;--accent:#1f4fd1;--accent-light:#e8eefc;--green:#16803c;--green-light:#eefbf2}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",'Noto Sans KR',sans-serif;word-break:keep-all;transition:background .25s,color .25s}header{height:56px;padding:0 24px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;position:sticky;top:0;z-index:5}.logo{display:flex;align-items:center;font-size:18px;font-weight:800;letter-spacing:-.03em;color:var(--text);text-decoration:none}.badge{width:28px;height:28px;flex-shrink:0;color:#1f4fd1;margin-right:8px}.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.back{color:var(--muted);text-decoration:none;border:1px solid var(--border);border-radius:8px;padding:7px 12px;font-size:13px}.theme{width:36px;height:36px;border:1px solid var(--border);border-radius:8px;background:var(--surface2);color:var(--text);cursor:pointer}.wrap{max-width:780px;margin:auto;padding:34px 20px 60px}.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:0 1px 2px rgba(16,24,40,.04)}.hero,.body,.content,.related{padding:26px 30px}.hero{border-bottom:1px solid var(--border)}.tag{display:inline-block;background:var(--accent-light);color:var(--accent);padding:4px 9px;border-radius:5px;font-size:11px;font-weight:800}.hero h1{font-size:27px;letter-spacing:-.6px;margin:10px 0 7px}.hero p,.note{color:var(--muted);line-height:1.75;font-size:13px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field{margin-bottom:14px}.field.full{grid-column:1/-1}.field label{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:6px}.field input,.field select{width:100%;padding:12px;border:1.5px solid var(--border);border-radius:9px;background:var(--surface2);color:var(--text);font:inherit;outline:none}.field input:focus,.field select:focus{border-color:var(--accent)}.btn{width:100%;border:0;border-radius:9px;background:var(--accent);color:#fff;font-family:inherit;font-size:15px;font-weight:700;padding:14px;cursor:pointer;margin-top:5px}.result{display:none;margin-top:18px;padding:20px;border:1.5px solid var(--accent);border-radius:11px;background:var(--accent-light)}.result.show{display:block}.result h2{font-size:12px;color:var(--accent);margin:0 0 7px}.main{font-size:31px;font-weight:900;color:var(--accent);margin-bottom:10px}.row{display:flex;justify-content:space-between;gap:14px;padding:7px 0;border-bottom:1px solid rgba(0,0,0,.07);font-size:13px}.row:last-child{border:0}.row strong{text-align:right}.ad-box{margin-top:22px;padding-top:14px;border-top:1px solid var(--border)}.ad-label{font-size:10px;color:var(--muted);margin-bottom:6px;text-align:center}.content{background:var(--surface2);border-top:1px solid var(--border)}.content h2{font-size:18px;letter-spacing:-.3px;margin:0 0 10px}.content h3{font-size:15px;margin:22px 0 7px}.content p,.content li{font-size:13px;line-height:1.9;color:#464c56}.content ul{padding-left:19px}.formula,.source{padding:14px;border:1px solid var(--border);border-radius:9px;background:var(--surface);margin-top:15px;font-size:13px;line-height:1.8}.source a{color:var(--accent);font-weight:700}.faq{margin-top:18px}.faq details{border-top:1px solid var(--border);padding:12px 0}.faq summary{font-size:13px;font-weight:800;cursor:pointer}.faq details p{margin:8px 0 0}.related{border-top:1px solid var(--border)}.related h2{font-size:15px;margin:0 0 11px}.links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.links a{border:1px solid var(--border);border-radius:8px;padding:11px;text-align:center;text-decoration:none;color:var(--text);font-size:13px;font-weight:700}footer{background:var(--surface);color:var(--muted);border-top:1px solid var(--border);text-align:center;padding:28px 20px 36px;font-size:13px;line-height:1.8}footer strong{color:var(--text)}
[data-theme="dark"]{--bg:#0e1014;--surface:#161920;--surface2:#1d2129;--border:#282d36;--text:#eceef2;--muted:#a3a9b4;--accent:#7ea3ff;--accent-light:rgba(126,163,255,.13);--green-light:rgba(22,128,60,.16)}[data-theme="dark"] .btn{color:#0e1014}[data-theme="dark"] .content p,[data-theme="dark"] .content li{color:#c9c9d2}[data-theme="dark"] .row{border-color:rgba(255,255,255,.08)}
@media(max-width:600px){header{padding:0 14px}.back{padding:7px 9px}.wrap{padding:16px 11px 40px}.hero,.body,.content,.related{padding:21px 16px}.grid,.links{grid-template-columns:1fr}.field.full{grid-column:auto}.hero h1{font-size:23px}.main{font-size:27px}}