html,
body {
    height: 100%;
    width: 100%;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "Roboto", "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", BlinkMacSystemFont, -apple-system, "Segoe UI", "Microsoft Yahei", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 400;
    margin: 0;
}

a {
    -webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
    color: #474157;
}

a:hover,
a:focus {
    color: #474157;
}

hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: rgba(34, 34, 34, 0.1);
}

hr.light {
    border-color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 200;
    letter-spacing: 1px;
}
.clear{clear: both;}
p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
}
.xxbanner{
    position: relative;
}
.xxbanner img{
    width: 100%;
}
.xxbanner .title{
    position: absolute;
    top: 26%;
    left: 180px;
    color: #fff;
}
.study{
    height: 600px;
    position: relative;
    background-color: #F5F7FB;
    padding-top: 60px;
    margin-top: -65px;
}
.study .title{
    text-align: center;
}
.study .title h3{
    font-weight: bold;
    font-size: 24px;
    color: #333;
}
.study p{
    width: 920px;
    color: #666;
    margin-top:60px;
    margin-left: 16%;
}
.study .xxpt{
    position: absolute;
    right: 260px;
    bottom: 30px;
}
.study .xxptl{
    position: absolute;
    left: 200px;
    bottom: 0px;
}
.jiaodu{
    margin: 0 auto;
    margin-top: 28px;
    width: 1220px;
}
.jiaodu .title{
    text-align: center;
}
.jiaodu .title h3{
    font-weight: bold;
    font-size: 24px;
    color: #333;
}

.jiaodu .jditem{
    margin: 60px 0px;
}
.jiaodu .jditem .wenzi{
    margin-top: 34px;
    width: 500px;
    background-color: #FBFCFF;
    padding:30px 20px;
    float: left;
    color: #666666;
}
.wenzi h3{
    font-weight: bold;
}
.jiaodu .jditem .tupian{
    float: left;
    width: 500px;
}
.xxbot{
    text-align: center;
}
.xxbot h1{
    font-weight: bold;
    color: #BE3434;
    letter-spacing: 6px;
}
.xxbot p{
    font-size: 24px;
    letter-spacing: 12px;
}