.m-banner {
    width: 100%;
    height: 689px;
    background: url('../img/4.jpg') no-repeat center;
}
.crumbs2 {
    width: 100%;
    background-color: #ecf4fc;
    height: 50px;
    line-height: 50px;
    font-size: 15px;
}
.crumbs2 div {
    width: 1310px;
    margin: 0 auto;
}
.crumbs2 div a:hover {
    text-decoration: underline;
    color: #0F80CB;
}
.crumbs2 div i {
    color: #ed6a02;
}
.n-wrapper2 {
    width: 1330px;
    margin: 0 auto;
    display: flex;
    padding: 40px 0;
}
.news-nav {
    display: flex;
    flex-direction: column;
    width: 275px;
}
.news-nav .nav {
    height: 60px;
    line-height: 60px;
    font-size: 16px;
    color: #666;
    border-bottom: 1px solid #f4f4f4;
    padding-left: 20px;
    box-sizing: border-box;
}
.news-nav .nav.active {
    background-color: #1b80d9;
    color: #fff;
}
.mentor-list {
    width: 1000px;
    border: 1px solid #f4f4f4;
    box-sizing: border-box;
    margin-left: 55px;
    padding: 0 20px;
}
.mentor-list .list {
	display: flex;
	border-bottom: 1px solid #f4f4f4;
	padding: 20px 0;
}
.mentor-list .list .cate {
	width: 100px;
	line-height: 50px;
	text-align: center;
	margin-right: 20px;
	font-size: 18px;
	color: #0067ac;
}
.mentor-list .list .items {
	width: 840px;
	display: flex;
	flex-wrap: wrap;
	font-size: 16px;
}
.mentor-list .list .item {
	height: 50px;
	line-height: 50px;
	margin-right: 18px;
}
.mentor-list .list .item:hover {
	color: #5DA5E4;
	border-bottom: 2px solid #5DA5E4;
}
.teacher-list {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.teacher-list .item {
    display: flex;
    margin: 0 21px 40px 21px; 
}
.teacher-list .item .il img {
    width: 169px;
    height: 231px;
    padding: 5px;
    border: 1px solid #f4f4f4;
}
.teacher-list .item .ir {
    display: flex;
    flex-direction: column;
    margin-left: 20px;
    width: 200px;
}
.teacher-list .item .ir h1 {
    font-size: 22px;
    color: #5bd8d9;
    height: 40px;
    line-height: 40px;
}
.teacher-list .item .ir span {
    font-size: 18px;
    color: #000000;
    height: 60px;
    line-height: 60px;
    border-bottom: 1px dotted #E3E3E3;
    font-weight: bold;
    overflow: hidden;
}
.teacher-list .item .ir p {
    font-size: 16px;
    color: #666666;
    line-height: 26px;
    margin-top: 10px;
    height: 78px;
    overflow: hidden;
}
.teacher-list .item .ir a {
    margin-top: 30px;
    font-size: 16px;
    color: #5bd8d9;
}
.teacher-list .item .ir a:hover {
    text-decoration: underline;
}
.techer-title {
    width: 1280px;
    margin: 0 auto;
    height: 80px;
    line-height: 80px;
    font-size: 30px;
    color: #0067ac;
    margin-top: 20px;
}

.teacher-show {
    width: 1330px;
    margin: 0 auto;
}
.teacher-show .title {
    display: flex;
    margin-top: 40px;
}
.teacher-show .title i {
    width: 25px;
    height: 25px;
    margin: 0 15px;
}
.teacher-show .title h3 {
    font-size: 24px;
    color: #0258a3;
}
.teacher-show .info .content {
    display: flex;
    margin-top: 30px;
    padding: 0 20px;
}
.teacher-show .info .content img {
    width: 250px;
    height: 333px;
    margin-right: 40px;
}
.teacher-show .info .content span {
    line-height: 38px;
    font-size: 18px;
}
.teacher-show .description {
    margin-top: 60px;
}
.teacher-show .description .content {
    font-size: 16px;
    line-height: 40px;
    box-sizing: border-box;
    margin-top: 20px;
    padding: 0 60px 60px 25px;
}

.zhuanjia {
    background: url(../img/zhuanjia.png) no-repeat center;
    background-size: 25px 25px;
}
.xueshu {
    background: url(../img/xueshu.png) no-repeat center;
    background-size: 25px 25px;
}