body {
    margin:0;
    background:  url(hzzbg.jpg) 0 0 no-repeat fixed;
    background-size:100% 100%;
    font-family: "Microsoft YaHei";
    font-size: 24px;
    line-height: 24px;
    color:#333;
    box-sizing: border-box;
    background: url(bg.jpg) center\9;
    background-size: cover\9;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clearfloat:after {
    content: " ";
    display: table;
    height: 0;
    clear: both;
    visibility: hidden;
    /*height: 50px;*/
}
ul,ol,dl,dd,h1,h2,h3,h4,h5,h6,p,input,button,div,tr,td,img {
    margin:0;
    padding:0;
    box-sizing: border-box;
}
ul,ol {
    list-style: none;
}
input,button {
    font-family: "Microsoft YaHei";
}
a {
    color:#333;
    text-decoration: none;
}
a:hover {
    text-decoration: none;
}
img{
    border-style:none;
}
/*主体内容*/
.main{
    width: 1000px;
    margin: 0 auto;
}