* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
      
        
        .full-width-container {
            width: 100%;
            background-color: #000;
            padding: 40px 0;
        }
        
        .content-container {
            width: 80%;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        
        .text-columns {
            width: 75%; /* 前5列总共占据75%宽度 */
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        
        .text-column {
            width: 19%; /* 每个文本列占据文本列区域的19%，约等于屏幕的15% */
            margin-bottom: 20px;
        }
        
        .image-column {
            width: 25%; /* 图片列占据25%，约等于屏幕的20% */
        }
        
        .main-title {
            color: #fff;
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 15px;
        }
        
        .sub-title {
            display: block;
            color: #aaa;
            font-size: 14px;
            margin-bottom: 8px;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .sub-title:hover {
            color: #fff;
        }
        
        .image-wrapper {
            width: 100%;
            margin-bottom: 10px;
        }
        
        .image-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 4px;
        }
        
        .image-description {
            color: #ccc;
            font-size: 14px;
            line-height: 1.4;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .text-columns {
                width: 100%;
            }
            
            .image-column {
                width: 100%;
                margin-top: 30px;
            }
            
            .text-column {
                width: 49%; /* 中等屏幕下每列占49%，即一行两列 */
                margin-bottom: 25px;
            }
        }
        
        @media (max-width: 576px) {
            .content-container {
                width: 90%;
            }
            
            .text-column {
                width: 100%; /* 小屏幕下每列占100%，即一行一列 */
            }
        }