/* Tailwind CSS 기반 스타일 */
 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }
 
 :root {
     --primary-color: #2563eb;
     --primary-hover: #1d4ed8;
     --gray-50: #f9fafb;
     --gray-100: #f3f4f6;
     --gray-200: #e5e7eb;
     --gray-300: #d1d5db;
     --gray-400: #9ca3af;
     --gray-600: #4b5563;
     --gray-700: #374151;
     --gray-800: #1f2937;
     --gray-900: #111827;
 }
 
 body {
     font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
     color: var(--gray-900);
     line-height: 1.5;
 }
 
 /* 컨테이너 */
 .container-custom {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 1rem;
 }
 
 /* 유틸리티 클래스 */
 .min-h-screen {
     min-height: 100vh;
 }
 
 .h-screen {
     height: 100vh;
 }
 
 .flex {
     display: flex;
 }
 
 .grid {
     display: grid;
 }
 
 .hidden {
     display: none;
 }
 
 .items-center {
     align-items: center;
 }
 
 .justify-center {
     justify-content: center;
 }
 
 .justify-between {
     justify-content: space-between;
 }
 
 .flex-col {
     flex-direction: column;
 }
 
 .space-x-3 > * + * {
     margin-left: 0.75rem;
 }
 
 .space-x-8 > * + * {
     margin-left: 2rem;
 }
 
 .space-y-2 > * + * {
     margin-top: 0.5rem;
 }
 
 .gap-4 {
     gap: 1rem;
 }
 
 .gap-8 {
     gap: 2rem;
 }
 
 /* 텍스트 스타일 */
 .text-primary {
     color: var(--primary-color);
 }
 
 .text-white {
     color: white;
 }
 
 .text-black {
     color: black;
 }
 
 .text-gray-200 {
     color: var(--gray-200);
 }
 
 .text-gray-400 {
     color: var(--gray-400);
 }
 
 .text-gray-600 {
     color: var(--gray-600);
 }
 
 .text-gray-700 {
     color: var(--gray-700);
 }
 
 .text-yellow-400 {
     color: #fbbf24;
 }
 
 .text-sm {
     font-size: 0.875rem;
 }
 
 .text-base {
     font-size: 1rem;
 }
 
 .text-lg {
     font-size: 1.125rem;
 }
 
 .text-xl {
     font-size: 1.25rem;
 }
 
 .text-2xl {
     font-size: 1.5rem;
 }
 
 .text-3xl {
     font-size: 1.875rem;
 }
 
 .text-4xl {
     font-size: 2.25rem;
 }
 
 .text-5xl {
     font-size: 3rem;
 }
 
 .text-6xl {
     font-size: 3.75rem;
 }
 
 .font-medium {
     font-weight: 500;
 }
 
 .font-semibold {
     font-weight: 600;
 }
 
 .font-bold {
     font-weight: 700;
 }
 
 .text-center {
     text-align: center;
 }
 
 .leading-tight {
     line-height: 1.25;
 }
 
 .leading-relaxed {
     line-height: 1.625;
 }
 
 /* 배경 스타일 */
 .bg-white {
     background-color: white;
 }
 
 .bg-black {
     background-color: black;
 }
 
 .bg-gray-800 {
     background-color: var(--gray-800);
 }
 
 .bg-primary {
     background-color: var(--primary-color);
 }
 
 .bg-transparent {
     background-color: transparent;
 }
 
 .bg-opacity-50 {
     background-color: rgba(0, 0, 0, 0.5);
 }
 
 .bg-cover {
     background-size: cover;
 }
 
 .bg-center {
     background-position: center;
 }
 
 /* 테두리 스타일 */
 .border-2 {
     border-width: 2px;
 }
 
 .border-white {
     border-color: white;
 }
 
 .border-t {
     border-top-width: 1px;
 }
 
 .border-gray-700 {
     border-color: var(--gray-700);
 }
 
 .rounded-lg {
     border-radius: 0.5rem;
 }
 
 /* 그림자 */
 .shadow-md {
     box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
 }
 
 /* 위치 */
 .relative {
     position: relative;
 }
 
 .absolute {
     position: absolute;
 }
 
 .sticky {
     position: sticky;
 }
 
 .inset-0 {
     top: 0;
     right: 0;
     bottom: 0;
     left: 0;
 }
 
 .top-0 {
     top: 0;
 }
 
 .z-10 {
     z-index: 10;
 }
 
 .z-50 {
     z-index: 50;
 }
 
 /* 여백 */
 .p-4 {
     padding: 1rem;
 }
 
 .px-4 {
     padding-left: 1rem;
     padding-right: 1rem;
 }
 
 .px-6 {
     padding-left: 1.5rem;
     padding-right: 1.5rem;
 }
 
 .px-8 {
     padding-left: 2rem;
     padding-right: 2rem;
 }
 
 .py-3 {
     padding-top: 0.75rem;
     padding-bottom: 0.75rem;
 }
 
 .py-4 {
     padding-top: 1rem;
     padding-bottom: 1rem;
 }
 
 .py-12 {
     padding-top: 3rem;
     padding-bottom: 3rem;
 }

 .py-16 {
    padding-bottom: 0 !important;
 }
 
 .mb-4 {
     margin-bottom: 1rem;
 }
 
 .mb-6 {
     margin-bottom: 1.5rem;
 }
 
 .mb-8 {
     margin-bottom: 2rem;
 }
 
 .mt-8 {
     margin-top: 2rem;
 }
 
 .pt-8 {
     padding-top: 2rem;
 }
 
 /* 크기 */
 .w-full {
     width: 100%;
 }
 
 .h-full {
     height: 100%;
 }
 
 .w-10 {
     width: 2.5rem;
 }
 
 .h-10 {
     height: 2.5rem;
 }
 
 .w-16 {
     width: 4rem;
 }
 
 .h-12 {
     height: 3rem;
 }
 
 .h-5 {
     height: 1.25rem;
 }
 
 .w-5 {
     width: 1.25rem;
 }
 
 .h-6 {
     height: 1.5rem;
 }
 
 .w-6 {
     width: 1.5rem;
 }
 
 .max-w-4xl {
     max-width: 56rem;
 }
 
 /* 기타 */
 .overflow-hidden {
     overflow: hidden;
 }
 
 .object-contain {
     object-fit: contain;
 }
 
 /* 호버 효과 */
 .hover\:text-primary:hover {
     color: var(--primary-color);
 }
 
 .hover\:text-white:hover {
     color: white;
 }
 
 .hover\:text-blue-700:hover {
     color: var(--primary-hover);
 }
 
 .hover\:bg-white:hover {
     background-color: white;
 }
 
 .hover\:bg-blue-700:hover {
     background-color: var(--primary-hover);
 }
 
 .hover\:text-black:hover {
     color: black;
 }
 
 /* 트랜지션 */
 .transition-colors {
     transition-property: color, background-color, border-color;
     transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
     transition-duration: 150ms;
 }
 
 /* 반응형 */
 @media (min-width: 640px) {
     .sm\:block {
         display: block;
     }
     
     .sm\:flex-row {
         flex-direction: row;
     }
     
     .sm\:text-4xl {
         font-size: 2.25rem;
     }
     
     .sm\:text-xl {
         font-size: 1.25rem;
     }
     
     .sm\:px-8 {
         padding-left: 2rem;
         padding-right: 2rem;
     }
     
     .sm\:py-4 {
         padding-top: 1rem;
         padding-bottom: 1rem;
     }
     
     .sm\:text-lg {
         font-size: 1.125rem;
     }
     
     .sm\:w-auto {
         width: auto;
     }
 }
 
 @media (min-width: 768px) {
     .md\:flex {
         display: flex;
     }
     
     .md\:hidden {
         display: none;
     }
     
     .md\:grid-cols-3 {
         grid-template-columns: repeat(3, minmax(0, 1fr));
     }
     
     .md\:text-5xl {
         font-size: 3rem;
     }
     
     .md\:text-2xl {
         font-size: 1.5rem;
     }
 }
 
 @media (min-width: 1024px) {
     .lg\:text-6xl {
         font-size: 3.75rem;
     }
 }
 
 /* 버튼 스타일 */
 button {
     cursor: pointer;
     outline: none;
     border: none;
     font-family: inherit;
 }
 
 /* 링크 스타일 */
 a {
     text-decoration: none;
     color: inherit;
 }

      /* Main Content */
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            background: white;
            min-height: calc(100vh - 200px);
        }
        
        .page-title {
            font-size: 32px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #333;
        }
        
        .page-description {
            color: #666;
            margin-bottom: 40px;
            font-size: 16px;
        }
        
        /* Search and View Controls */
        .controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            gap: 20px;
        }
        
        .search-box {
            display: flex;
            align-items: center;
            background: #f8f9fa;
            border: 1px solid #ddd;
            border-radius: 25px;
            padding: 8px 20px;
            flex: 1;
            max-width: 300px;
        }
        
        .search-box input {
            border: none;
            background: none;
            outline: none;
            padding: 5px;
            font-size: 14px;
            flex: 1;
        }
        
        .view-control {
            display: flex;
            align-items: center;
            background: #f8f9fa;
            border: 1px solid #ddd;
            border-radius: 25px;
            padding: 8px 20px;
        }
        
        .view-control input {
            border: none;
            background: none;
            outline: none;
            padding: 5px;
            font-size: 14px;
            width: 60px;
            text-align: center;
        }
        
        /* Product Category */
        .product-category {
            background: #e3f2fd;
            border-left: 4px solid #2196f3;
            padding: 20px;
            margin-bottom: 30px;
            border-radius: 0 8px 8px 0;
        }
        
        .category-title {
            font-size: 20px;
            font-weight: 600;
            color: #1976d2;
            margin-bottom: 8px;
        }
        
        .category-description {
            color: #666;
            font-size: 14px;
        }
        
        /* Product Table */
        .product-table-container {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }
        
        .table-header {
            background: #f8f9fa;
            padding: 15px 20px;
            border-bottom: 1px solid #dee2e6;
            font-weight: 600;
            color: #495057;
        }
        
        .product-table {
            width: 100%;
            border-collapse: collapse;
        }
        
        .product-table th {
            background: #f8f9fa;
            padding: 15px;
            text-align: center;
            font-weight: 600;
            color: #495057;
            border-bottom: 2px solid #dee2e6;
        }
        
        .product-table td {
            padding: 15px;
            text-align: center;
            border-bottom: 1px solid #dee2e6;
        }
        
        .product-table tbody tr:hover {
            background-color: #f8f9fa;
        }
        
        .product-name {
            font-weight: 600;
            color: #333;
        }
        
        .product-spec {
            color: #666;
            font-size: 13px;
            margin-top: 2px;
        }
        
        /* Download Buttons */
        .download-buttons {
            display: flex;
            gap: 8px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .download-btn {
            padding: 6px 12px;
            border: none;
            border-radius: 4px;
            text-decoration: none;
            font-size: 12px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            min-width: 40px;
            text-align: center;
        }
        
        .download-btn.pdf {
            background-color: #dc3545;
            color: white;
        }
        
        .download-btn.pdf:hover {
            background-color: #c82333;
        }
        
        .download-btn.dwg {
            background-color: #0066cc;
            color: white;
        }
        
        .download-btn.dwg:hover {
            background-color: #0056b3;
        }
        
        .download-btn.stp {
            background-color: #28a745;
            color: white;
        }
        
        .download-btn.stp:hover {
            background-color: #218838;
        }
        
        .download-btn.xt {
            background-color: #6f42c1;
            color: white;
        }
        
        .download-btn.xt:hover {
            background-color: #5a32a3;
        }
        
        
        @media (max-width: 768px) {
            .controls {
                flex-direction: column;
                align-items: stretch;
            }
        }