:root{--accent:#0f766e;--accent-strong:#0d9488;--accent-soft:#0f766e1a;--accent-border:#0f766e38;--bg:#f4f7f6;--bg-hero:linear-gradient(160deg, #fff 0%, #f3faf8 45%, #e7f3f0 100%);--surface:#fff;--surface-muted:#f7faf9;--text:#14201e;--text-secondary:#334441;--text-muted:#5f726e;--border:#dce6e3;--border-strong:#c5d4cf;--radius:14px;--radius-sm:10px;--shadow-sm:0 1px 2px #14201e0a;--shadow-md:0 12px 36px #0f766e14;--shadow-card:0 4px 18px #14201e0d;--container:920px;--header-h:64px;--font:"Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;padding:0}a{color:inherit}.page{flex-direction:column;min-height:100vh;display:flex}.site-header{z-index:20;border-bottom:1px solid 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h2{font-size:1.12rem}@media (max-width:860px){.card-grid,.pillar-grid,.category-grid,.project-list{grid-template-columns:1fr}.card-featured-head{flex-direction:column;align-items:stretch}.card-featured-head .btn{width:100%}}@media (max-width:640px){.hero-inner{padding:36px 20px 32px}.home-stack{gap:42px;padding-top:34px}.knowledge-grid,.about-strip{grid-template-columns:1fr}.article-card-featured{padding:22px}.article-shell{padding-top:32px}.info-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column}.footer-nav{justify-content:flex-start;max-width:none}.site-nav a{padding:8px 10px;font-size:.86rem}}