:root{--primary: #004a99;--secondary: #f0a500;--accent: #e6f1ff;--text-dark: #333;--text-light: #fff;--bg-light: #f9f9f9;--card-bg: #fff;--shadow: 0 4px 12px rgba(0, 0, 0, .1);--border-radius: 12px;--container-width: 1200px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,Helvetica Neue,Segoe UI,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,sans-serif;background-color:var(--bg-light);color:var(--text-dark);line-height:1.6}a{text-decoration:none;color:inherit}.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}.header{background-color:var(--primary);color:var(--text-light);padding:20px 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px #0003}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:800;letter-spacing:-.5px}.nav-links{display:flex;gap:24px}.nav-link{font-weight:500;transition:color .3s}.nav-link:hover{color:var(--secondary)}.home-container{position:relative;min-height:100vh}.decorative-img{position:fixed;z-index:0;opacity:.4;filter:grayscale(0%);pointer-events:none;border-radius:50%;object-fit:cover}.hero,.section{position:relative;z-index:1}.img-pos-1{top:-50px;right:-80px;width:350px;height:350px}.img-pos-2{bottom:-120px;left:-100px;width:450px;height:450px}.hero{background:linear-gradient(135deg,var(--primary) 0%,#003366 100%);color:var(--text-light);padding:100px 0;text-align:center}.hero h1{font-size:3rem;margin-bottom:20px}.hero p{font-size:1.25rem;opacity:.9}.section{padding:80px 0}.section-title{text-align:center;margin-bottom:50px}.section-title h2{font-size:2.5rem;color:var(--primary);margin-bottom:20px}.category-description-box{max-width:700px;margin:0 auto 50px;background:#fff;padding:30px;border-radius:var(--border-radius);box-shadow:0 4px 15px #0000000d;border-left:5px solid var(--primary);text-align:left}.category-description-box p{line-height:1.6;margin:0}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}.card{background:var(--card-bg);border-radius:var(--border-radius);padding:40px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;cursor:pointer;display:flex;flex-direction:column;height:100%}.card:hover{transform:translateY(-10px);box-shadow:0 12px 24px #00000026}.card h3{font-size:1.5rem;margin-bottom:15px;color:var(--primary)}.card-description{color:#666;margin-bottom:20px;flex-grow:1}.card-footer{font-weight:600;color:var(--secondary);display:flex;align-items:center}.card-footer:after{content:"→";margin-left:8px;transition:transform .3s}.card:hover .card-footer:after{transform:translate(5px)}.footer{background-color:#333;color:#aaa;padding:60px 0;text-align:center}.footer p{margin-bottom:10px}.detail-header{background-color:var(--accent);padding:60px 0;margin-bottom:40px}.detail-header h1{color:var(--primary);font-size:2.5rem;margin-bottom:10px}.detail-core{font-size:1.25rem;font-weight:600;color:var(--secondary)}.detail-content{background:#fff;padding:40px;border-radius:var(--border-radius);box-shadow:var(--shadow)}.detail-desc{font-size:1.15rem;margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid #eee}.detail-list{list-style:none}.detail-list li{margin-bottom:15px;padding-left:25px;position:relative}.detail-list li:before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:700}@media (max-width: 768px){.hero h1{font-size:1.6rem;word-break:keep-all}.hero{padding:60px 0}.header-content{flex-direction:column;gap:15px}.nav-links{gap:15px}}