.main-header{width: 100%;background: #eeeeee;}
.main-header .header-box{width: 1300px;margin: auto;height: 120px;position: relative;}
.main-header .logo{position: absolute;width: 200px;height: 100%;top: 0;left: 0;}
.main-header .logo img{width: 185px;position: absolute;top: 0;left: 0;right: 0;bottom: 0;margin: auto;}
.main-header .nav{margin: 0 30px 0 200px}
.main-header .nav ul{}
.main-header .nav ul li{display: inline-block;vertical-align: middle;text-align: center;padding: 0 40px;}
.main-header .nav ul li .li-box{padding: 40px 0;}
.main-header .nav ul li .li-box p{color: #595757;}
.main-header .nav ul li .li-box p:nth-child(1){font-size: 18px;line-height: 25px;}
.main-header .nav ul li .li-box p:nth-child(2){font-size: 10px;line-height: 15px;}
.main-header .contact{position: absolute;width: 200px;height: 100%;top: 0;right: 7px;text-align: center;padding: 22px 0;box-sizing: border-box;}
.main-header .contact .ewm{width: 50px;margin: auto;}
.main-header .contact .ewm img{width: 100%;}
.main-header .contact .phone{margin-top: 5px;position: relative;}
.main-header .contact .phone:before{position: absolute;top: 0;left: 18px;bottom: 0;margin: auto;width: 17px;height: 24px;content: "";display: block;background: url('../images/icon-phone.png')no-repeat;background-size: 100% 100%;}
.main-header .contact .phone p{font-size: 18px;color: #595757;line-height: 30px;}