body{
	font:20px/1.5"Helvetica Neue",Helvetica,Arial,"Microsoft Yahei","Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;
	color: #333;
}
/* 顶部信息开始css*/
.topBar{
	width: 100%;
	height: 70px;
    position: relative;
}
.container{
	width: 1200px;
	margin: 0 auto;
	height: 100%;
    
}
.container .switchover{
    position: absolute;
    margin-top: -56px;
    margin-left: 1240px;
}
.container .switchover a{
    color: #043782;
    font-size: 16px;
    line-height:10px
}
.container .switchover a:hover{
    color: #d9045d;

}

.topBar .topBar_list{
	float: left;
    width: 430px;
    height: 66px;
    padding-top: 15px;
    margin-right: 180px;
    
}

.clearfix::after{
    content: '';
    display: block;
    clear: both;
}
.topBar .topBar_search ul li {
    float: left;
	display: block;
	height: 20px;
	line-height: 40px;
	font-size: 18px;
    position: relative;
    width: 115px;
    padding: 20px 0px;
    
}
.topBar .topBar_search ul li a{
    margin: 0 0px;
    color: #4D4D4D;
}
.topBar .topBar_search ul li:hover {
    background-color: #f6f6f6;
   
}
.topBar .topBar_search ul li a:hover{
    color: #d9045d;
}
.topBar_search-drop{
    position: absolute;
    width: 115px; 
    height: 210px;
    background-color:  #f6f6f6;
    
}
.topBar_search-drop a{
    width: 110px;
    
}
.topBar .container ul li .div a:hover{
    color: #d9045d;
    
}
.topBar .topBar_search ul li div{
    display: none;
    opacity: 0.85;
}
.topBar .topBar_search ul li:hover div{
    display: block;
}
/* 顶部信息结束css*/
/* 英文顶部信息开始css*/
.topBar2{
	width: 100%;
	height: 70px;
    position: relative;
}
.container2{
	width: 1200px;
	margin: 0 auto;
	height: 100%;
    
}
.container2 .switchover2{
    position: absolute;
    margin-top: -56px;
    margin-left: 1240px;
}
.container2 .switchover2 a{
    color: #043782;
    font-size: 16px;
    line-height:10px
}
.container2 .switchover2 a:hover{
    color: #d9045d;

}
.topBar2 .topBar_list2{
	float: left;
    width: 430px;
    height: 66px;
    padding-top: 15px;
    margin-right: 40px;
    
}

.clearfix::after{
    content: '';
    display: block;
    clear: both;
}


.topBar2 .topBar_search2 ul li {
    float: left;
	display: block;
	height: 20px;
	line-height: 40px;
	font-size: 18px;
    position: relative;
    width: 145px;
    padding: 20px 0px;
 
}
.topBar2 .topBar_search2 ul li a{
    margin: 0 0px;
    color: #4D4D4D;
    width: 145px;
    display: block;
    text-align:center;
    
}
.topBar2 .topBar_search2 ul li:hover {
    background-color: #f6f6f6;
   
}
.topBar2 .topBar_search2 ul li a:hover{
    color: #d9045d;
}
.topBar_search-drop2{
    position: absolute;
    width: 450px; 
    height: 195px;
    background-color:  #f6f6f6;
    
}
.topBar_search-drop2 a{
    width: 145px;
    text-align:left
}
.topBar2 .container2 ul li div a:hover{
    color: #d9045d;
    
}
.topBar2 .topBar_search2 ul li div{
    display: none;
    opacity: 0.85;
    text-align:left;
    float: left;
    width: 230px;
}
.topBar2 .topBar_search2 ul li div a{
    text-align:left;
    float: left;
    width: 300px;
}
.topBar2 .topBar_search2 ul li:hover div{
    display: block;
}
/* 英文顶部信息结束css*/

.theme .theme-tite a{
    color: #FFFFFF;
    font-size: 16px;
    line-height:10px
}

.theme .theme-tite a:hover{
    color: #d9045d;
}

/* 轮播图信息开始css*/
.header {
    width: 100%;
}
.header .content {
    width: 100%;
	
}



/* 轮播图信息结束css*/

/* 研究方向信息开始css*/
.site {
    width: 100%;
    
}
.site .warp {
    background-color: #ff6700;
}
.site .warp .theme{
    background-color: #ff6700;
}
.site .warp .img .text .more-bottom .more-bottom-1:hover{
    background-color: #ff6700;
}
/* 按钮css*/
.btn {
    width: 60px;
    height:60px;
    position: fixed;
    bottom: 20px;
    background-color: #043782;
    left: 50%;
    margin-left: 810px;
    border-radius:10px;
    
}
.btn:hover{
    background-color: rgb(6, 11, 80);
}
html{
    scroll-behavior: smooth;
}

.backTop {
    /* 固定定位 */
    position: fixed;
    bottom: 180px;
    right: 0;
    margin-right: 70px;
    z-index:999;
    /* 回到顶部样式 */
    width: 35px;
    height: 35px;
    background-color: rgb(255, 255, 255);
    /* 字体在元素中水平垂直居中 */
    line-height: 35px;
    text-align: center;
    font-size: 14px;
    color: rgb(16, 14, 160);
    /* 设置圆角 */
    border-radius: 30%;
    /* 设置过渡效果 */
    transition: all linear 0.5s;
    cursor: pointer;
    /* 隐藏 透明度为0 */
    opacity: 0;
}