*{
    margin:0;
    padding: 0;
}
html,body{
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    /* font-family: "Microsoft Yahei"; */
    font-family: "Helvetica";
    font-size: 12px;
    -webkit-overflow-scrolling : touch;
}
ul {
    list-style: none;
    padding: 0;
    margin:0;
}

a {text-decoration: none; color: #33508F;}
a:link {text-decoration:none;}
a:visited {text-decoration:none;}
a:hover {text-decoration:none; opacity: .8;}
a:active {text-decoration:none;}

.clear {
    clear: both;
}
.main{
    width: 100%;
    max-width: 1200px;
    margin:0 auto;
    margin-top: 30px;
    box-sizing: border-box;
    padding: 0 20px;
}
.main b{
    font-weight: bolder;
}

.main .header{
    text-align: center;
    font-size: 16px;
}
.main .content{
    margin-top: 25px;
}
.main .content .paragraph{
    margin-top: 20px;
}
.main .content .paragraph .paragraph_header{
    font-size: 14px;
}
.main .content .paragraph .paragraph_content{
    font-size: 14px;
    line-height: 30px;
    margin-top: 10px;
}
.footer{
    text-align: right;
    padding: 30px 0;
    font-size: 14px;
}