body{padding: 0;margin: 0;}
a {text-decoration: none}
#box{padding: 0;margin: 0;}
#head{background: #333;padding: 20px;}
.logo img{width: 130px;padding: 0;margin: 0;}
.clear{clear:both;}
.centent{padding:40px;margin: 0 auto;background: #E6FFDA;}
a { cursor: pointer; }

.centent h2{font-weight: 200;}
.centent .list{width: 220px;background: #111B21;color: #fff;padding: 20px;border-radius: 25px;display: inline-block;margin:10px;}
.centent .list ul {margin: 0;padding: 0;}
.centent .list ul li {list-style-type: none;font-size: 12px;margin: 15px 0;}
.centent .list:hover {background: #25D366;color: #000;}
.centent .list ul li img {width: 180px;}
.centent .list .adown {margin: 80px 0 15px 0;}
.centent h3 a{font-size:26px;background: #111B21;color: #fff;display: inline-block;padding: 20px 60px;border-radius: 25px;}
.centent h3 a:hover{background: #25D366;}
.mid{text-align: center;}
.syy{background: #fff;max-width: 1020px;margin: 0 auto;}
.syy span{display: inline-block;border-radius: 5px;border: 1px solid #333;padding: 20px 40px;margin: 10px;}
.footer{background: #111B21;padding: 20px;text-align: center;color: #fff;}