body{background-color: #f9f9f9;}
.banner{ height: 716px; background: url(../images/banner.jpg) no-repeat center top; background-size:cover}
.nav{ height: 141px; background: url(../images/nav.jpg) no-repeat center top; background-size:cover}
.nav ul{width: 1010px; margin: 0 auto; }
.nav ul li a{padding:18px;}
.nav ul li:nth-child(1){ float: left; margin-right: 60px;}
.nav ul li:nth-child(2){float: left; margin: 0 120px;}
.nav ul li:nth-child(3){float: right;}
.title_name{ height: 100px;}
.title_name .left_tit{ float: left;margin-top: 15px;}
.title_name .more{ float: right;margin-top: 35px;}
.main_box{width: 1010px; margin: 0 auto 40px;}
.main_box .toprobox li{ margin: 0 5px; }
.main_box .botprobox{ }

.main_box ul li{ float: left; }

.footer{ height:255px;background: url(../images/footer.jpg) #f2f2f2 no-repeat center top ; }
.copyright{ color: #2b2b2b; font-size: 16px;line-height: 30px; text-align: center;padding-top: 135px;}
.company{color: #2b2b2b;font-size: 16px; text-align: center; line-height: 30px;}