:root{--primary:#2563eb;--primary-dark:#1e40af;--primary-light:#60a5fa;--primary-soft:#eff6ff;--bg-app:#f8fafc;--bg-card:#fff;--bg-subtle:#f1f5f9;--bg-overlay:hsla(0,0%,100%,.9);--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--border:#e2e8f0;--border-strong:#cbd5e1;--border-focus:#2563eb;--accent-success:#059669;--accent-warning:#d97706;--accent-danger:#dc2626;--accent-info:#0284c7;--font-base:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.05),0 2px 4px -1px rgba(0,0,0,.03);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.05),0 4px 6px -2px rgba(0,0,0,.025);--shadow-xl:0 25px 50px -12px rgba(0,0,0,.08);--shadow-inner:inset 0 2px 4px 0 rgba(0,0,0,.02);--radius-xs:0.25rem;--radius-sm:0.375rem;--radius-md:0.75rem;--radius-lg:1rem;--radius-xl:1.5rem;--radius-full:9999px;--transition-base:all 0.2s cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box}body{margin:0;background-color:var(--bg-app);font-family:var(--font-base);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding-bottom:env(safe-area-inset-bottom)}body,h1,h2,h3,h4,h5,h6{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{margin:0 0 .75em;font-weight:700;line-height:1.35;letter-spacing:-.015em}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}p{margin-bottom:1.25em;color:var(--text-secondary)}strong{color:var(--text-primary);font-weight:600}a{color:inherit;text-decoration:none;transition:var(--transition-base);cursor:pointer}a:hover{color:var(--primary)}button{font-family:inherit;cursor:pointer}main{width:100%;max-width:1200px;margin:0 auto;padding:40px 24px 100px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);transition:var(--transition-base)}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}.glass{background:var(--bg-overlay);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid hsla(0,0%,100%,.3)}.text-gradient{background:linear-gradient(135deg,var(--primary) 0,#3b82f6 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-full);font-size:.85rem;font-weight:600;line-height:1}.badge-primary{background-color:var(--primary-soft);color:var(--primary-dark)}.grid-cols-2{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:24px;gap:24px}.grid-cols-3{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px}@media (max-width:768px){.grid-cols-2,.grid-cols-3{grid-template-columns:1fr;gap:16px}body{font-size:16px}h1{font-size:1.875rem}h2{font-size:1.5rem}main{padding:20px 16px 80px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeInUp .5s cubic-bezier(.4,0,.2,1) forwards}