/* 메인 콘텐츠 스타일 */
        .container {
            /* max-width: 800px; */
            margin-right: 10px;
            max-width: 350px;
            margin: 0 auto;
            padding: 20px;
        }
 
        /* 연혁 목록 스타일 */
        .timeline {
            position: relative;
            padding: 0;
            /* margin-top: 40px; */
        }
        
        .timeline:before {
            content: '';
            position: absolute;
            left: 20px;
            width: 2px;
            height: 100%;
            background-color: #333;
        }
        
        .timeline-item {
            margin-bottom: 40px;
            position: relative;
        }
        
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        
        .timeline-item::after {
            content: '';
            position: absolute;
            top: 12px;
            left: -6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: #333;
        }
        
        .timeline-content {
            margin-left: 30px;
        }
        
        .timeline-year {
            font-weight: bold;
            font-size: 18px;
        }
        
        .timeline-description {
            margin-top: 8px;
            font-size: 16px;
        }