:root{--ink:#151a1f;--muted:#69757d;--line:#d9dfdf;--paper:#f4f6f5;--surface:#fff;--night:#111820;--blue:#1d4ed8;--orange:#f97316;--green:#1f6f52;--brick:#b94a38;--gold:#c08b2c}*{box-sizing:border-box}body{color:var(--ink);background:linear-gradient(180deg, #eef2f2 0, var(--paper) 360px), var(--paper);margin:0;font-family:Arial,Noto Sans KR,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{width:min(1160px,100% - 32px);margin:0 auto}.topbar{z-index:10;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#363636;border-bottom:1px solid #ffffff24;position:sticky;top:0;box-shadow:0 10px 30px #11182029}.nav{gap:8px;min-height:88px;padding:12px 0 8px;display:grid}.brand{background:#1e2428;border-radius:6px;justify-content:center;align-items:center;min-width:168px;height:46px;padding:0 18px;display:inline-flex;overflow:hidden}.brand-text{color:#fff;letter-spacing:0;font-size:22px;font-weight:900;line-height:1}.brand 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img{height:62vw;min-height:280px}.section-head{flex-direction:column;align-items:flex-start}.footer-bottom{flex-direction:column}.smart-summary{padding:22px;position:static}.smart-tabs{grid-template-columns:repeat(2,1fr)}.smart-tabs a{border-bottom:1px solid var(--line)}.smart-content,.info-section{padding:24px 18px}.spec-table div,.detail-list,.consultation-home{grid-template-columns:1fr}}