* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Noto Sans KR', sans-serif; color: #333; line-height: 1.6; background-color: #fcfcfc; display: flex; flex-direction: column; min-height: 100vh;}
main { flex: 1; }
header { background: #fff; padding: 15px 50px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #eaeaea; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 5px rgba(0,0,0,0.05);}
nav { flex: 1; display: flex; justify-content: center; }
.nav-menu { list-style: none; display: flex; gap: 30px; margin-left: 40px;}
.nav-menu > li > a, .dropbtn { text-decoration: none; color: #444; font-weight: 500; padding: 8px 12px; border-radius: 4px; transition: all 0.3s; display: block;}
.nav-menu > li > a:hover, .nav-menu > li > a.active, .dropbtn:hover, .dropbtn.active { background: #004b93; color: #fff; }
.dropdown { position: relative; display: inline-block; }
.dropdown-content { display: none; position: absolute; background-color: #fff; min-width: 200px; box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.1); z-index: 1; border-radius: 4px; overflow: hidden; margin-top:5px; }
.dropdown-content a { color: #333; padding: 12px 16px; text-decoration: none; display: block; font-size: 14px; border-bottom: 1px solid #f1f1f1;}
.dropdown-content a:last-child { border-bottom: none; }
.dropdown-content a:hover { background-color: #f8f9fa; color: #004b93; }
.dropdown:hover .dropdown-content { display: block; }
.lang-selector { display: flex; gap: 8px; font-size: 13px; font-weight: 500; color: #999;}
.lang-selector a { color: #666; text-decoration: none; padding: 2px 5px; border-radius: 3px;}
.lang-selector a.active { color: #004b93; font-weight: 700; background: #eef3f8;}
.lang-selector a:hover { color: #000; }
.hero { background-size: cover; background-position: center; color: #fff; text-align: center; padding: 160px 20px; }
.hero h2 { font-size: 20px; font-weight: 400; margin-bottom: 10px; color: #a3cbf7;}
.hero h1 { font-size: 48px; font-weight: 700; margin-bottom: 20px; line-height: 1.3;}
.hero p { font-size: 18px; font-weight: 300; color: #ddd; }
.services-section { padding: 80px 20px; background: #fff;}
.services { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.service-card { display: block; text-decoration: none; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: transform 0.3s; border: 1px solid #eee;}
.service-card:hover { transform: translateY(-8px); box-shadow: 0 10px 30px rgba(0,0,0,0.1);}
.service-img { height: 200px; background-size: cover; background-position: center; border-bottom: 3px solid #004b93; background-color: #f0f0f0;}
.service-info { padding: 25px 20px; text-align: center; }
.service-info h3 { font-size: 20px; margin-bottom: 8px; color: #222;}
.service-info p { color: #777; font-size: 14px;}
.page-header { padding: 80px 20px; text-align: center; color: white; background-size: cover; background-position: center;}
.page-header h1 { font-size: 36px; margin-bottom: 10px; }
.page-header p { font-size: 16px; color: #a3cbf7;}
.page-content { max-width: 1200px; margin: 0 auto; padding: 60px 20px; }
.product-grid { display: flex; flex-direction: column; gap: 40px; }
.product-item { display: flex; align-items: center; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.05); border: 1px solid #eee;}
.product-item:nth-child(even) { flex-direction: row-reverse; }
.product-img-box { flex: 1; min-width: 300px; padding: 30px; display: flex; justify-content: center; align-items: center; background: #f8f9fa; border-right: 1px solid #eee;}
.product-item:nth-child(even) .product-img-box { border-right: none; border-left: 1px solid #eee;}
.product-img-box img { max-width: 100%; max-height: 250px; object-fit: contain;}
.product-text-box { flex: 2; padding: 40px; }
.product-text-box h3 { font-size: 26px; color: #004b93; margin-bottom: 15px;}
.product-text-box p { font-size: 16px; color: #555; line-height: 1.8;}
@media (max-width: 768px) {
    .product-item, .product-item:nth-child(even) { flex-direction: column; text-align: center;}
    .product-img-box { border-right: none; border-bottom: 1px solid #eee; width: 100%;}
    .product-item:nth-child(even) .product-img-box { border-left: none;}
}
.contact { background: #eef3f8; padding: 60px 20px; text-align: center; border-top: 1px solid #dee2e6;}
.contact h2 { font-size: 32px; margin-bottom: 10px; color: #111;}
.contact > p { font-size: 18px; margin-bottom: 25px; color: #555;}
.contact-info { display: inline-block; text-align: left; background: #fff; padding: 25px 40px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05);}
.contact-info p { font-size: 16px; margin: 8px 0; color: #333;}
.contact-info a { color: #004b93; text-decoration: none;}
footer { background: #222; color: #888; text-align: center; padding: 25px; font-size: 13px; }