@charset "utf-8";
*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
    color: #333;
}
ul li {
    list-style: none;
}
body {
    font-family: Arial,"微软雅黑","Helvetica Neue",Helvetica,sans-serif;
    color: #333;
    line-height: 1;
    font-size: 14px;
    -webkit-text-size-adjust: none;
}
.po_r {
    position: relative;
}
.m_a{
    margin: 0 auto;
}
.main-width{
    width: 1200px;
    margin: auto;
}
.active-color{
    color: #5db0f8;
}

.header {
    width: 100%;
    background: #fff;
    height: 77px;
}
.header-left {
    float: left;
    cursor: pointer;
    width: 220px;
}
.header-left .logo {
    width: 75px;
}
.header-middle {
    float: right;
}
.header-middle ul {
    width: 644px;
    height: 78px;
    line-height: 76px;
}
.header-middle ul li {
    line-height: 76px;
    height: 76px;
    text-align: center;
    color: #202027;
    float: left;
    width: calc(644px / 5);
}
.header-middle ul li a {
    border-bottom: 2px solid #fff;
    display: block;
}
.header-middle ul li a:hover{
    color: #5db0f8!important;
    border-bottom: 2px solid #5db0f8;
}
.header-dropdown-box{
    position: relative;
}
.header-dropdown-box:hover .header-dropdown ol{
    display: block;
}
.header-dropdown ol {
    margin: auto;
    width: calc(644px / 5);
    position: absolute;
    z-index: 999;
    display: none;
    background: #fff;
}
.header-dropdown ol li{
    line-height: 45px;
    height: 45px;
    text-align: center;
}
.header-dropdown ol li a:hover{
    color: #5db0f8!important;
    background: #f9f9f9;
    display: block;
    overflow: hidden;
}
.footer{
    background: #383945;
    width: 100%;
}
.footer-main{
    height: 70px;
    margin: 0 auto;
    padding: 20px 0;
    position: relative;
    z-index: 2;
}
.footer-main .footer-left {
    float: left;
    width: 250px;
}
.footer-main .footer-left .logo{
    width: 75px;
    height: 75px;
    background: url('../images/logo.jpg') center no-repeat;
    background-size: 100%;
}
.footer-main .footer-middle {
    float: left;
    width: 620px;
    margin-right: 28px;
}
.footer-main .footer-middle ul {
    width: 620px;
    line-height: 35px;
    height: 35px;
    overflow: hidden;
    display: flex;
    margin-top: 20px;
}
.footer-main .footer-middle ul li {
    flex: 1;
    line-height: 35px;
}
.footer-main .footer-middle ul li a {
    color: #fff;
    display: block;
    text-align: center;
    line-height: 35px;
}
.footer-btm{
    line-height: 40px;
    color: #6d6e77;
    text-align: center;
    height: 40px;
    border-top: 1px solid #43444f;
}
.footer-main .footer-right {
    float: right;
    width: 245px;
    margin-top: 15px;
}
.footer-main .footer-right p {
    color: #6d6e77;
    display: block;
    overflow: hidden;
    margin-top: 10px;
}
.friendLink {
    width: 245px;
    display: block;
}
.friendLink li {
    position: relative;
    float: left;
    cursor: pointer;
    margin-left: 8px;
    display: block;
    width: 41px;
    height: 100%;
}
.friendLink li a {
    display: block;
    width: 41px;
    height: 41px;
}
.friendLink li span {
    display: block;
    width: 41px;
    height: 41px;
    background: url('../images/friendLink.png') no-repeat;
}
.friendLink li .weibo {
    background-position: -53px 0;
}
.friendLink li .qq {
    background-position: -108px 0;
}
.friendLink li .alipay {
    background-position: -160px 0;
}
.friendLink li .min-phone {
    background-position: -215px 0;
}
.friendLink li .img-box {
    position: absolute;
    display: none;
    width: 200px;
    height: 228px;
    bottom: 0;
    left: -50px;
    z-index: 2;
}
.friendLink li:hover .img-box {
    display: block;
}

.title{
    margin: 0 auto 50px;
    line-height: 30px;
    text-align: center;

}
.title h1 {
    line-height: 2;
    font-size: 28px;
    font-weight: 500;
}
.title p{
    line-height: 20px;
    font-size: 17px;
    color: #999;
}
.bg-fff{
    background-color: #fff;
    padding: 50px 0;
    overflow: hidden;
}
.bg-f9{
    background-color: #f9f9f9;
    padding: 50px 0;
    overflow: hidden;
}
.bg-f7f{
    background-color: #F7F8FA;
    padding: 50px 0;
    overflow: hidden;
}

.banner{
    position: relative;
}
.banner-title{
    display: none;
    position: absolute;
    text-align: center;
    z-index: 999;
    width: 100%;
    top: 42%;
    line-height: 50px;
}