body, ul, li, p{margin: 0px;padding: 0px;font-family: "微软雅黑", "黑体";}
img{border: none;}
ul li{list-style: none;}
.top{border-top: 8px solid #509cd3;width: 100%;height: 120px;}
.logo{width: 1000px;height: 120px;margin: 0 auto;}
.banner{width: 100%;height: auto;position: relative;}
.banner .banner_pic{width: 100%;height: auto;}
.nav{position: absolute;top: 15%;left: 0px;width: 100%;}
.nav ul{width: 960px;margin: 0 auto;}
.nav ul li{float: left;width: 312px;height: 129px;padding-top: 30px;text-align: center;background: url(list_bg.png) no-repeat;margin-right: 8px;margin-bottom: 6px;}
.nav ul li:hover{background: #fff url(list_bg.png) no-repeat;transition: background-color 0.3s;-webkit-transition: background-color 0.3s;-o-transition: background-color 0.3s;-moz-transition: background-color 0.3s;}
.nav ul li:hover a{text-decoration: underline;cursor: pointer;color: #000;}
.nav ul li a{color: #2c2c2c;font-size: 20px;text-decoration: none;line-height: 40px;text-align: center;}
.nav ul li a img{width: 65px}
.bottom{background: #248eda;width: 100%;height: 80px;line-height: 80px;}
.copyright{width: 1000px;height: 80px;margin: 0 auto;}
.copyright p{color: #fff;font-size: 12px;float: left;padding-right: 20px;} @media (max-width:1100px){.nav{position: absolute;top: 25px;left: 0px;}} @media (max-width:1024px){.top{width: 1024px;}
.banner .banner_pic{width: 1024px;}
.nav{position: absolute;top: 25px;left: 0px;width: 1024px;}
.bottom{width: 1024px;}}