  /* 文章内容样式 */
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            padding: 20px;
        }
        a.img, a.tab {
            color: #0066cc;
            text-decoration: underline;
            cursor: pointer;
            margin: 0 5px;
        }
        
        /* 图表内容容器 */
        .img-content, .tab-content {
            display: none;
        }
        #modal-body , img{ text-align:center; margin:0 auto;}
		#modal-body .cn{ font-size:14px; }
		#modal-body .en{ font-size:14px; }
		
        /* 模态框样式 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        .modal-content {
            background: white;
            border-radius: 5px;
            box-shadow: 0 0 20px rgba(0,0,0,0.3);
            position: relative;
            max-width: 90%;
            max-height: 90vh;
            overflow: auto;
            padding: 20px;
        }
        .close {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 24px;
            cursor: pointer;
        }
        .navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
        }
        .prev, .next { background: #0066cc; border: none;  color: #fff;
            padding: 5px 15px;
            cursor: pointer;
        }