/* 头部 */
*{
    padding: 0;
    margin: 0;
}
::-webkit-scrollbar{
    /* 滚动条整体样式 */
    width:10px;
    /* 高宽分别对应横竖滚动条的尺寸 */
}
::-webkit-scrollbar-thumb{
    /* 滚动条里的小方块 */
    border-radius: 10px;
    background-color: #d8d8d8;
    width: 3px;
    height:30px;
}
body{
    background-size: cover;
    background-color: #fff;
    background-attachment: fixed;
    background-image: url(http://www.visitxm.com/images/bg.jpg);
}
.header{
    height:60px;
    width:100%;
    background-image: linear-gradient(109.6deg, rgba(3, 42, 82, 0.6) 11.2%, rgba(19, 35, 82, 0.8) 91.1%);
}
.header ul li{
    padding: 18px 30px;
    color:#fff;
    font-size: 15px;
    float: right;
    list-style:none;
    text-align: center;
}
.header ul li:hover,.header ul li a:hover{
    color:rgba(5, 202, 184, 0.8);
}
.header ul li:nth-child(1){
   margin-right:50px;
}
.header ul li:nth-child(2){
    padding:0px;
    height:20px;
    width:280px;
    margin-top:19px;
    margin-right:0px;
    line-height: 20px;
}

.header ul li:nth-child(2){
    float:left;
    font-weight: 700;
    font-style: italic;
    font-size: 20px;
    line-height: 20px;
    letter-spacing: 3px;
}
.header ul li:nth-child(4){
    float:left;

}
.header ul li a{
    text-decoration: none;
    color:#fff;
}
#huanfu{
    cursor: pointer;
}
/* 换肤 */
.baidu{
    overflow: auto;
    display: none;
    background-color: #f7f4f4;
    width: 340px;
    padding-top: 3px;
    position: absolute;
    left:380px;
    top:20px;
    z-index: 9998;
    overflow-y: auto;
    overflow-x: hidden;
}
.baidu li{
    float:left;
    cursor:pointer;
    position: relative;
    height:70px;
    margin:10px 5px;
    list-style: none;
}
.baidu li:nth-child(1){
    width:100%;
    height:25px;
    text-align: center;
    color:skyblue;
    font-size: 16px;
    font-weight: 700;
}
.baidu img{
    width: 100px;
}
img {
    width: 100%;
    height: 100%;
}
.baidu li span{
    bottom:-13px;
    right:0%;
    position: absolute;
    font-size: 10px;
    color:black;
    height:10px;
    line-height: 10px;
    width:100%;
    text-align: center;
}
#overlayer{
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color:rgba(0,0,0,0.4);
    z-index: 9999;
}



/* 导航区 */
nav {
    height: 90px;
    width: 100%;
    display: flex;
    justify-content: space-around;
}
nav ul li {
    list-style: none;
    font-size: 14px;
    float: left;
    text-align: center;
    display:flex;
    height:35px;
    line-height: 35px;
    margin-top: 28px;
    color: black;
    cursor:pointer;
    margin-left: 40px;
}
nav ul li a{
    text-decoration: none;
    color:black;
    display: block;
    width:100%;
    height:100%;
}
nav ul li:nth-child(1){
    width:150px;
    height:50px;
    margin-top: 17px; 
    background: url(../images/7.png) no-repeat 30px -25px; 
    background-size: 150px 110px;
}
nav ul li a:hover {
    color: rgba(23, 214, 239, 0.8) !important;
    border-bottom:3px solid rgba(91, 234, 203, 0.8);
}
nav ul li:nth-child(1):hover{
    border-bottom:none;
}

#huanfu a{
    display: block;
    width:50px;
    height:30px;
    line-height: 30px;
    color: #fff;
    margin-top: -3px;
}
#huanfu a:hover{
    background-color: skyblue;
    border-radius: 5px;
}
/* 主体部分 */
.main{
    height:630px;
    width:80%;
    background-color: #fff;
    margin:0 auto;
    
}








/* 底部版权部分 */
.footer{
    height:260px;
    width:100%;
    background-color: rgb(40, 40, 40);
    color:#fff;
    margin-top: 100px;
    /* background-image: linear-gradient(109.6deg, rgba(3, 42, 82, 0.6) 11.2%, rgba(19, 35, 82, 0.8) 91.1%); */
}
.footer_top{
    /* background-color: red; */
    padding:25px 0px;
    /* height:170px; */
    width:90%;
    margin: 0px auto;
    display: flex;
}
.footer_top div:nth-child(1){
    height:130px;
    width:15%;
    margin-left: 80px;
}
.footer_top div:nth-child(2){
    height:130px;
    width:20%;
    /* background: url(../luxy/erweima.png) no-repeat center; */
    background-size: contain;
}
.footer_top div:nth-child(1) ul li{
    font-size:12px;
    list-style: none;
    margin:5px 0px;
}
.footer_top div:nth-child(1) ul li:nth-child(1){
    font-size: 20px;
    font-weight: 700;
}
.footer_top div:nth-child(3),.footer_top div:nth-child(4){
    height:130px;
    width:26%;
    /* background-color: plum; */
}
.footer_top div:nth-child(3){
    border-left:1px solid rgb(164, 162, 162);
    border-right:1px solid rgb(164, 162, 162);
    margin-right: 25px;
}
.footer_top div:nth-child(3) ul li,.footer_top div:nth-child(4) ul li{
    font-size: 12px;
    padding: 0px 27px;
    list-style-position: inside;
}
.footer_top div:nth-child(3) ul li::marker,.footer_top div:nth-child(4) ul li::marker{
    color:rgb(51, 137, 215);
}
.footer_bottom{
    /* background-color: skyblue; */
    height:60px;
    width:90%;
    font-size: 13px;
    line-height: 80px;
    text-align: center;
    border-top:1px solid rgb(97, 95, 95);
    margin: 0 auto;
}