body,p,h1,h2,h3,h4,h5,h6,ul,ol,dl,li,dt,dd{
    /* 默认有边距，都要清除 */
    margin: 0;
    padding: 0;
    /*字体设置*/
    font-size: 14px;
    font-family: "Microsoft Yahei",sans-serif;
    color: #000;
    /* 去掉列表的原点 */
    list-style: none;
    /* 默认鼠标 */
    cursor: default;
}
 h3 {
     font-size: 30px;
     margin-bottom: 30px;
     opacity: .74;
 }
/*可选*/
html,body{
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}
body {
    background-color: #fff;
    color: #000000;
}
/*行内块元素*/
input,img{
    margin: 0;
    padding: 0;
    border: 0 none;
    outline-style: none;
    vertical-align: bottom; 
}
/*行内元素*/
a,a:active,a:visited{
    /*下划线和颜色*/
    text-decoration: none;
}

 
/* 使用伪元素清除浮动 */
.clearfix::before,
.clearfix::after{
    content:"";
    height: 0;
    line-height: 0;
    display: block;
    visibility: none;
    clear: both;
}
 
.clearfix {
    zoom: 1;
}
 .fl {
    float: left;
 }
 .fr {
    float: right;
 }
/* 版心*/
.main{
    width: 1200px;
    height: 460px;
    margin: 0 auto;
}
 .bgc {
    background-color: #F5F8FF
 }
 .iconfont {
    color: #fff;
}
.main_desc {
    text-align: left;
    padding-top: 100px;
}
.main_desc p {
    width: 400px;
    opacity: .44;
    font-size: 22px;
    text-align: justify;
}
.main img {
    padding-top: 50px;
}
.top_img {
    position: absolute;
    left: -120px;
    top: -8px;
}
.header {
    padding: 30px 0 10px 0;
    color: #fff;
    position: relative;
    background-color: #FFF;
}
.header .tab {
    float: left;
    list-style: none;
    padding-bottom: 10px;
    font-weight: 700;
    margin-right: 50px;
    cursor: pointer
}
.header .tab:first-child {
    border-bottom: 2px solid #000;
}
.header .tab:hover {
    border-bottom: 2px solid #000;
}
.header_main,
.banner_main {
    margin: 0 auto;
    height: 100%;
    width: 1200px;
    position: relative;
}
.banner {
    height: 390px;
    position: relative;
    background-color: #29CEAE;
}
.banner .banner_img {
    padding-left: 50px;
    padding-top: 50px
}
.banner .banner_decr {
    padding-top: 50px;
    text-align: left;
    color: #fff;
}
.banner_decr .as {
    background-color: #fff;
    padding: 12px 24px;
    color: #29CEAE
}
.banner_decr h3 {
    font-size: 46px;
    opacity: 1;
    color: #fff;
}
.banner_decr p {
    font-size: 16px;
    color: #fff;
}
.banner .practice {
    padding: 12px 72px;
    cursor: pointer;
    display: inline-block;
    margin-top: 30px;
    color: #fff;
    font-size: 18px;
    background-color: #FFCD5D;
}
.main1 {
    height: 570px;
    text-align: center;
    position: relative;
}
.main1 h3 {
    opacity: .74;
    margin-top: 30px;
    margin-bottom: 0;
}
.main1_img {
    display: inline-block;
    position: relative;
}
.main1 .mark {
    position: absolute;
    font-size: 14px;
    opacity: .64;
    font-weight: bold;
}
.label1 {
    top: 130px;
    left: -70px;
}
.label2 {
    bottom: 30px;
    left: 80px;
}
.label3 {
    bottom: -50px;
    left: 295px;
}
.label4 {
    bottom: 30px;
    right: 93px;
}
.label5 {
    top: 135px;
    right: -50px;
}
.main2 {
    height: 460px;
}
.footer {
    padding: 30px 0 20px 0;
    position: relative;
    background-color: #112446;
}
.footer .concat {
    padding: 10px 20px;
    border: 1px solid #979797;
    border-radius: 4px;
    cursor: pointer
}
.footer_main{
    width: 1200px;
    margin: 0 auto;
    position: relative;
}
.footer_img {
    position: absolute;
    top: 0px;
    left: -120px
}
.record_No {
    color: #fff;
    opacity: .5;
    margin-top: 10px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.18);
    text-align: center;
}