@charset "utf-8";
/* CSS Document */
.bg{ width:100%; height:100%; background:url(../../images/bg.jpg) no-repeat center 0; background-size:100% 100%; position:fixed; z-index:-10;}
.section{ width:996px; margin:0 auto; position:relative}
.navbg{ background:url(../../images/navbg.jpg) repeat-x 0 0; width:100%; height:104px; text-align:center;}
.header{ height:500px; width:100%; position:relative; overflow:hidden;}
.top{ position:absolute; width:1920px; left:50%; margin-left:-960px;}
.nav{ background-color:#e9e9e9; border-bottom:1px solid #a0a0a0; height:60px; width:100%;}
.nav ul{ width:1000px; margin:0 auto}
.nav ul li{ float:left; width:25%; text-align:center;}
.nav ul li a{ display:inline-block; width:94px; height:58px;overflow:hidden;border-bottom:2px solid #e9e9e9; transition:all ease-in-out 0.3s }
.b1{ background:url(../../img/lhxy/1.png) no-repeat -95px 20px;}
.b2{ background:url(../../img/lhxy/2.png) no-repeat -95px 20px;}
.b3{ background:url(../../img/lhxy/3.png) no-repeat -95px 20px;}
.b4{ background:url(../../img/lhxy/4.png) no-repeat -95px 20px;}
.nav ul li a:hover,.nav ul li a.on{border-bottom:2px solid #000; background-position: 0 20px !important;}
.mc1{ display:block; margin:45px auto}

.head_top_two {display: none;}