*{margin: 0;padding: 0;font-family: 'Arial', 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', 'Geneva', Verdana, sans-serif}body{width: 100%;height: 100%}p{margin: 0;padding: 0}.body{min-width: 1200px}.top{height: 210px}li{list-style: none;font-size: 16px}a{color: #fff;text-align: center;text-decoration: none}.top_pic{position: relative;height: 210px;width: 100%;min-width: 1500px;text-align: center;height: 100%;background: #acc0e5}.top_pic img{position: absolute;top: 0;left: 0;height: 100%;float: left}.top_title{position: absolute;top: 50px;left: 670px;font-size: 30px;color: #4295d9}.top_title_1{font-family: "华文行楷";font-size: 45px;color: #335195}.nav{width: 100%;height: 50px;background-color: #ABCDEF;z-index: 999;text-align: center;text-align-last: center;position: absolute}.nav_header{width: 1500px;height: 50px;margin: 0 auto;text-align: center}.nav_header ul li{float: left;color: #FFF;line-height: 50px;width: 150px;background-color: #5B9BD5}.nav_title{background-color: #ABCDEF;float: left;width: 150px;color: #fff}.nav ul li:hover{background-color: #ABBBBB}.nav_content{display: none;height: 50px;text-align: center}