.banner {
    display: flex;
    justify-content: center;
}

/* 内容 */
.content {
    min-height: 500px;
}

.content-teacher{
    padding: 30px 20px;
}

.content-teacher-item{
    margin-bottom: 40px;
    padding-bottom: 30px;
    width: 1270px;
	min-height: 260px;
	background-color: #ffffff;
	border: solid 1px #d8dee5;
}

.content-teacher-item-title{
    margin-bottom: 20px;
}

.content-teacher-item-title>span{
    display: block;
    width: 1270px;
	height: 3px;
	background-color: #1680e3;
}

.content-teacher-item-title>p{
    font-size: 18px;
	line-height: 50px;
    font-weight: 700;
    text-indent: 1em;
	color: #ffffff;
    height: 50px;
    background-image: url(../imgs/teacher_bj.png);
    background-repeat: no-repeat;
}

/* 内容 */
.content-teacher-item>ul{
    padding: 0 20px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
 }

 .content-teacher-item>ul>li{
    margin: 10px 33px 10px 0;
 }
 .content-teacher-item>ul>li:nth-child(10n){
    margin: 10px 0 10px 0;
 }
.content-teacher-item>ul>li:first-child{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
	height: 36px;
    font-size: 16px;
	color: #ffffff;
 }

.content-teacher-item>ul>li>a{
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 70px;
	height: 30px;
    border: 1px solid #a9a9a9;
    color: #333333;
    border-radius: 30px;
 }


/* 首个标题颜色 */
 .teacher-red {
	background-color: #d53117;
 }
 .teacher-blue {
	background-color: #167de2;
 }
 .teacher-yellow {
	background-color: #cf882b;
 }



 @media screen and (max-width: 1600px) {
    .content-teacher-item {
        width: 890px;
    }
    .content-teacher-item-title>span {
        width: 890px;
    }
}