body{
    font-family: 'Microsoft Yahei';
    font-size: 14px;
}
header{
    width: 100%;
    height: 600px;
    background: url("../img/majors/czad/head.jpg")no-repeat center;
    margin-top: -4px;
    position: relative;
}

header .btn{
    width: 100%;
    position: absolute;
    bottom: 10%;
    text-align: center;
}

.hbtn{
    display: inline-block;
    width: 250px;
    padding: 5px 0;
    border: 2px solid #00FFFF;
    text-align: center;
    color: #fff;
    font-size: 20px;
    text-decoration: none;

}

div.s1{
    padding: 2.3em 0;
    text-align: center;

}
div.s1 h1{
    font-size:2.5em;
    padding: 0.5em 0;
}
div.s1 p{
    font-size:1.2em;
    line-height: 1.8em;
    padding: 1em 0;
}

.img1{
    width: 100%;
    height: 366px;
    background: url("../img/majors/czad/zm.jpg")no-repeat center;
}

.ibtn a{
    display: inline-block;
    width: 370px;
    height: 72px;
    line-height: 70px;
    background: url("../img/majors/czad/btbg.png")no-repeat center;
    color: #fff;
    text-decoration: none;
    font-size: 1.5em;
}.lf{
     float: left;
 }
.rt{
    float: right;
}
div.s2{
    background: #0E067D;
    padding: 1.5em 0;
}

.img2{
    width: 100%;
    height: 622px;
    background: url("../img/majors/czad/zy.jpg")no-repeat center;
}

div.s3{
    width: 960px;
    height: auto;
    margin: auto;
    display: table;
}

div.s3 ul{
    list-style: none;
}
div.s3 ul li{
    width: 100%;
    box-sizing: border-box;
    margin-top: 1em;
    display: table;
}

div.s3 ul li div.lf{
    background: #485BE1;
    height: 104px;
    line-height: 104px;
    width: 145px;
    text-align: center;
    color: #fff;
    font-size: 1.8em;
}

div.s3 ul li div.rt{
    height: 104px;
    background: #ECEEFC;
    width: 815px;
}

.img4{
    width: 100%;
    height: 303px;
    background: url("../img/majors/czad/jjn6.jpg")no-repeat center;
}


.s5{
    width: 100%;
    height: 800px;
    background: url("../img/majors/czad/bgv.jpg")no-repeat center;
    background-attachment: fixed;
}

div.s4{
    width: 100%;
    padding: 3em 0;
    text-align: center;

}
div.s4 h1{
    font-size: 2.5em;
    padding: 0.1em 0;
}

.dmbtns{
    display: inline-block;
    width: 280px;
    padding: 8px 0;
    font-size: 1.6em;
    text-align: center;
    background: #FF5237;
    color: #fff;
    border-radius: 20px;
    margin: 1em auto;
}
.dmbtns a{
    color: #fff;
    text-decoration: none;
}

div.s4{
    width: 100%;
    height: 800px;
    background: url("../img/majors/czad/bgv.jpg")no-repeat center;
    background-attachment: fixed;
    text-align: center;
}

div.s4 ul{
    list-style: none;
    width: 800px;
    margin: auto;
    padding: 3em 0;
    box-sizing: border-box;
}
div.s4 ul li{
    width: 220px;
    height: 222px;
    margin-left: 70px;
    float: left;
    margin-top: 5em;
    display: inline-block;

}
div.s4 ul li a{
    display: inline-block;
    transition: all 2s linear;
}
div.s4 ul li a:hover{
    transform: rotateZ(360deg);
}

div.s4 ul li:first-child{
    margin-left: 0;
}
div.s4 ul li:nth-child(4){
    margin-left: 0;
}

div.s4 ul li span{
    font-size: 1.3em;
    padding: 0.3em 0;
    color: #fff;
    display: inline-block;
}

.img5{
    width: 100%;
    height: 390px;
    background: url("../img/majors/czad/xy.jpg")no-repeat center;
}