/* 仅定义内容区样式，与头部底部完美兼容 */
        .about-section {
            
           
        }
		.about-section .container{background:#fff; padding: 3rem;}
        /* 第一行：两列，中间 #eee 竖线 */
        .two-col-divider {
            overflow:hidden;
            position: relative;
            margin-bottom: 3rem;
            background: #fff;
			
        }
        .col-item {
            flex: 1;
            min-width: 280px;
			float:left;
            padding: 0.5rem 1rem;
        }
        .col-left {
            border-right: 1px solid #eee;
			margin-right:3rem;
        }
        /* 左图圆形 + 右侧标题简介 */
        .media-circle {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .circle-img {
            flex-shrink: 0;
            width: 80px;
            height: 80px;
            border-radius: 100%;
            object-fit: cover;
            box-shadow: 0 6px 14px rgba(0,0,0,0.05);
        }
        .media-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #20477c;
            margin-bottom: 0.5rem;
        }
        .media-body p {
            font-size: 0.94rem;
            color: #555;
            line-height: 1.45;
            margin-bottom: 0;
        }
        /* 第二行文字简介 */
        .intro-text {
            text-align: left;
            margin: 0 auto 3rem auto;
            font-size: 1rem;
            color: #444;
            line-height: 1.55;
            background: #fff;
            padding: 0 1rem;
        }
        /* 第三行：一行三块，上小图标下标题，背景 #f5f9ff */
        .three-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            margin-bottom: 3rem;
            justify-content: center;
        }
        .stat-card {
            flex: 1;
            min-width: 200px;
            background-color: #f5f9ff;
            padding: 1.8rem 1rem;
            text-align: left;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.05);
        }
        .stat-icon {
            font-size: 2.4rem;
            color: #20477c;
            margin-bottom: 1rem;
			text-align:center;
        }
        .stat-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #333;
			text-align:center;
            margin-bottom: 0;
        }
        /* 底部信息栏 border-top + 自适应四块内容: 标题 + 职称 + logo + 简介 */
        .info-footer {
            border-top: 1px solid #eee;
            padding-top: 2.5rem;
            margin-top: 0.5rem;
        }
        .expert-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-between;
        }
        .expert-block {
            flex: 1;
            min-width: 220px;
            text-align: left;
        }
        .expert-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #1f2f4e;
            margin-bottom: 0.25rem;
        }
        .expert-title {
            font-size: 0.85rem;
            color: #999;
            font-weight: 500;
            margin-bottom: 0.75rem;
            letter-spacing: 0.3px;
        }
        .expert-logo {
            max-height: 36px;
            width: auto;
            margin-bottom: 0.8rem;
            display: block;
        }
        .expert-bio {
            font-size: 0.88rem;
            color: #555;
            line-height: 1.45;
        }
        /* 响应式适配 */
        @media (max-width: 991.98px) {
			.about-section .container{padding:2rem 1rem;}
            .about-section {
                padding: 2rem 0;
            }
            .col-left {
                border-right: none;
                border-bottom: 1px solid #eee;
                margin-bottom: 1.5rem;
                padding-bottom: 1rem;
            }
            .two-col-divider {
                flex-direction: column;
            }
            .circle-img {
                width: 70px;
                height: 70px;
            }
            .media-body h3 {
                font-size: 1.2rem;
            }
            .stat-card {
                padding: 1.4rem 0.8rem;
            }
            .stat-icon {
                font-size: 2rem;
            }
            .stat-title {
                font-size: 1rem;
            }
        }
        @media (max-width: 767.98px) {
			.col-item{min-width:auto;width:49%;float:left;margin-right:1%;}
			.col-left{border-bottom:0px;}
			.two-col-divider{margin-bottom:0rem;}
            .media-circle {
                flex-direction: column;
                text-align: center;
            }
            .circle-img {
                width: 80px;
                height: 80px;
            }
            .intro-text {
                font-size: 0.92rem;
                margin-bottom: 2rem;
            }
            .three-cards {
                gap: 1rem;
            }
            .expert-grid {
                flex-direction: column;
                gap: 1.5rem;
            }
            .expert-block {
                text-align: left;
            }
        }
        /* 保证中间竖线只在桌面端显示 */
        @media (min-width: 992px) {
            .col-left {
                border-right: 1px solid #eee;
            }
        }