/*css样式公共代码*/
* {
    margin: 0;
    padding: 0;
    list-style: none;
    


}
a{
    text-decoration: none;
    /*display: block;*/
}

img{
    display: block;
}
b,strong,i{
    font-style:normal;
    font-weight:normal;
}
.clear::after{
    content:"";
    display:block;
    clear:both;
    height: 0;
    /*visibility: hidden;*/
}