html, body {
    padding: 0;
    margin: 0;
    position: relative;
    display: block;
    border: 0;
}
body {
    font-family:  'Source Sans Pro', sans-serif,'Microsoft YaHei';
    font-size: 14px;
}

a {
    color: #31859c;
}

a:hover {
    color: #000;
}

.container {
    width: 1200px;
    position: relative;
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
}

/*动画*/
.transition {
    -moz-transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

img {
    max-width: 100%;
}

.text-overflow {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

/*清除缓存*/

/*标题*/
.i-title {
    padding: 35px 0 25px;
    text-align: center;
}

.i-title h2 {
    font-size: 27px;
    color: #333;
    font-weight: bold;
}

.i-title p {
    font-size: 16px;
    color: #666;
    padding-top: 8px;
    font-weight: 300;
}

.header-top-line{
    background-color: #11313a;
    height: 40px;
    display: flex;
    justify-content: center;
}
.header-top-line .box{
    width: 1200px;
    display: flex;
    flex-direction: row;
    align-items: center;
    color: #fff;
}
.header-top-line .box .left{
    display: flex;
    flex-direction: row;
}
.header-top-line .box .left span{padding: 0 10px}
.header-top-line .box  a{color: #fff;}
.header-top-line .box  a:hover{color: #ccc;}
.header-top-line .box .right{
    margin-left: auto;
}

/*头部*/
.header {
    width: 100%;
    min-width: 1200px;
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid #31859c;
    display: flex;
    flex-direction: row;
    justify-content: center;
}
.header .box {

    width: 1200px;
    position: relative;
    height: 90px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    z-index: 2;

}
.header .box .logo  {
}
.header .box .logo img {
    height: 50px;
    width: auto;
}

/*导航*/
.top-nav-list {
    display: flex;
    flex-direction: row;
    font-size: 16px;
    font-weight: 400;
}
.top-nav-list .item {
    color: #333;padding: 0 20px;
}
.top-nav-list .curr,
.top-nav-list .item:hover {
    color: #31859c;
}

/*底部*/
.footer {
    width: 100%;
    min-width: 1200px;
    margin: 20px auto 0;
    background: #11313a;
    display: flex;
    flex-direction: row;
    justify-content: center;
    color: #ccc;
    line-height: 180%;
}
.footer a {
    color: #fff;
}
.footer a:hover {
    color:  #ccc;
}
.footer .box {
    width: 1200px;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
}
.footer .box span{padding: 0 10px}

.footer .bottom .right img {
    width: 120px;
    height: 120px;
}

/*客服*/
.online-service{
    position: fixed;
    right:10px;
    bottom: 100px;
    width: 150px;
    background-color: #fff;
    border: 1px solid #31859c;
    display: flex;
    flex-direction: column;
}
.online-service .service-title{
    background-color:#31859c;
    color: #fff;
    padding: 15px;

    display: flex;
    flex-direction: row;
    justify-content: space-between;

}
.online-service .service-title .close{font-size: 20px;margin-top: -10px;margin-right: -10px;cursor: pointer}
.online-service .service-skype{
    display: flex;
    flex-direction: row;
    margin: 10px;
    background-color: #00b0f6;
    border-radius: 30px;
    overflow: hidden;
    align-items: center;
}
.online-service .service-skype .img{
    width: 40px;height: 40px;
}
.online-service .service-skype .txt{
    font-size: 18px;color: #fff;
}
.online-service .tel{
    font-size: 14px;
    padding: 5px 10px;
}
.online-service .qr-img{padding: 5px}