/* 总样式清除 */
*{
    margin: 0;
    padding: 0;
}
ul li{
    list-style: none;
}
a{
    text-decoration: none;
    color: #000;
}
body{
   font-family: "微软雅黑";
}
/* 设置整体样式居中 */
#pc-connet{
    width: 980px;
    height: 100%;
    margin: auto;
    box-sizing: border-box;
}
h1,h2,h3,h4,h5,h6{font-weight:normal;}
button{
    background-color:none;
    border: none;
}