body{

    font-family:"Microsoft YaHei","微软雅黑","Microsoft JhengHei","华文细黑",STHeiti,MingLiu,"Myriad Pro";
}
body,div,p,ul,ol,dl,form,table,h1,h2,h3,h4,h5,h6,table,tr,td{
    margin:0;
    padding:0;
}
ul,li,ol,dl{
    list-style: none;
}
img{
    display: block;
    border:0;
}
i,em{
    font-style: normal;
}
a{
    text-decoration: none;
}
ul,li{ list-style: none;}
.base{
    width:1200px;
    margin:0 auto;
}
.banner{
    background:url(../img/androin_learn/banner.jpg) no-repeat center top;
    height:310px;
    padding-top:330px;
}
.banner p:nth-child(1){
    font-size: 28px;
    color:#4c4011;
    text-align:  center;
    margin-bottom: 45px;
}

.banner p:nth-child(2){
    font-size: 62px;
    color:#fff;
    text-align:  center;
    margin-bottom: 52px;
}
.banner p:nth-child(3){
    width:196px;
    height:50px;
    line-height: 50px;
    margin:0 auto;
    border-radius: 10px;
    border:2px solid #ffdb5a;
    background:#efc102;
    color:#504412;
    font-size: 20px;
    text-align: center;
    cursor: pointer;
}
.biaoti{
    padding-top:90px;
    color:#000;
    font-size: 48px;
    text-align: center;
    border-bottom:6px double #ededee;
    padding-bottom:2px;
    margin-bottom:60px;
}
.biaoti span{
    display: block;
    color:#cacaca;
    font-size: 24px;
    text-align: center;
    margin-top: 47px;
    border-bottom:2px solid #ededee;
    padding-bottom:33px;
}
.abc{
    position: relative;
    /*height:535px;*/
    padding-top: 100px;
    padding-bottom: 110px;
    overflow: hidden;
}
.abc p{
    width:160px;
    height:90px;
    line-height: 90px;
    color:#dbdbdb;
    background:#eeeeef;
    font-size: 72px;
    text-align: center;
    margin-bottom: 20px;
    transform:scale();
    -webkit-transform:scale();
    -moz-transform:scale();
    -o-transform:scale();
    -ms-transform:scale();
    transition:1s;
}

.abc p i{
    float: left;
    font-style: normal;
    text-align: center;
    display: block;
    width:160px;
    height:90px;
}
.abc p span{
    display: block;
    margin-left: 160px;
    width:590px;
    height:90px;
    background:#f5f5f5;

}

.abc .c span{
    width:630px;
}
.abc p span em{
    text-align: left;
    padding-left:30px;
}
.abc p span em:nth-child(1){
    display: block;
    font-size:20px;
    color:#25be6d;
    height:45px;
    line-height: 60px;
}
.abc p span em:nth-child(2){
    display: block;
    font-size: 16px;
    color:#333;
    height:45px;
    line-height: 30px;
}
.man{
    position: absolute;
    right:0px;
    bottom:0px;
}
.abc p:hover{
    transform:scale(1.1);
    -webkit-transform:scale(1.1);
    -moz-transform:scale(1.1);
    -o-transform:scale(1.1);
    -ms-transform:scale(1.1);
    transition:1s;
}
.main2{
    background:url(../img/androin_learn/main2_bottom.jpg) no-repeat center bottom;
    padding-bottom: 227px;
}
.main2-top{
    width:100%;
    height:40px;
    background:url(../img/androin_learn/main2_bg.png) no-repeat center top;
}
.roll{
    height:60px;
    width:1200px;
    padding-top:660px;
    position: relative;
}
.roll span{
    display: block;
    border-radius: 50%;
    position: absolute;
    opacity: 0;
    -moz-opacity:0;
    -o-opacity:0;
    -webkit-opacity:0;
    filter:alpha(opacity=0);
}

.roll span:nth-child(1){
    width:120px;
    height:85px;
    background:#ffcd1a;
    color:#3e3203;
    padding-top: 35px;
    line-height: 32px;
    top:97px;
    left:391px;
    text-align: center;
    font-size: 18px;
}
.roll span:nth-child(2){
    width:134px;
    height:80px;
    background:#2fe5a9;
    color:#fff;
    font-weight: 900;
    padding-top: 54px;
    line-height: 32px;
    top:212px;
    left:258px;
    text-align: center;
    font-size: 24px;
}
.roll span:nth-child(3){
    width:154px;
    height:90px;
    background:#2fe5a9;
    color:#fff;
    font-weight: 900;
    padding-top: 64px;
    line-height: 32px;
    top:393px;
    left:344px;
    text-align: center;
    font-size: 24px;
}
.roll span:nth-child(4){
    width:200px;
    height:126px;
    background:#ffcd1a;
    color:#241d02;
    font-weight: 100;
    padding-top: 74px;
    line-height: 32px;
    top:405px;
    left:560px;
    text-align: center;
    font-size: 18px;
}
.roll span:nth-child(5){
    width:236px;
    height:176px;
    background:#2fe5a9;
    color:#241d02;
    font-weight: 100;
    padding-top: 60px;
    line-height: 32px;
    top:60px;
    left:710px;
    text-align: center;
    font-size: 18px;
}
.roll span:nth-child(5) em{
    font-weight: 900;
    display: block;
    font-size: 24px;
    color:#fff;
    margin-bottom:25px;
}
.roll span:nth-child(6){
    width:194px;
    height:194px;
    background:#ffcd1a url(../img/androin_learn/span6.jpg) no-repeat center;
    line-height: 32px;
    top:276px;
    left:0px;
}
.roll span:nth-child(7){
    width:145px;
    height:145px;
    background:#00b1af url(../img/androin_learn/span7.jpg) no-repeat center;
    top:207px;
    left:498px;
}
.roll span:nth-child(8){
    width:145px;
    height:145px;
    background:#00b1af url(../img/androin_learn/span8.jpg) no-repeat center;
    top:327px;
    left:843px;
}
.roll span:nth-child(9){
    width:161px;
    height:161px;
    background: url(../img/androin_learn/span9.jpg) no-repeat center;
    top:210px;
    left:1039px;
}
.roll span:nth-child(10){
    width:252px;
    height:60px;
    border-radius: 0px;
    left:50%;
    font-size: 20px;
    color:#fff;
    margin-left: -146px;
    line-height: 60px;
    padding-left: 38px;
    background:#25be6d url(../img/androin_learn/hand.png) no-repeat 218px center;
    cursor: pointer;
}

.main3{
    height:360px;
    padding-top: 90px;
    background:url(../img/androin_learn/main3_bg.jpg) no-repeat center top;
}

.main3 p{
    float: left;
    width:270px;
    height:180px;
    border-radius: 50%;
    margin-right:38px;
    font-size: 22px;
    color:#fff;
    padding-top: 90px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
}
.main3 p i{
    color:#ffff00;
    font-size: 34px;
}
.main3 p:nth-child(1){
    background:url(../img/androin_learn/p1.png) no-repeat center top;
}

.main3 p:nth-child(2){
    background:url(../img/androin_learn/p2.png) no-repeat center top;
}

.main3 p:nth-child(3){
    background:url(../img/androin_learn/p3.png) no-repeat center top;
}
.main3 p:nth-child(4){
    margin-right: 0px;
    background:url(../img/androin_learn/p4.png) no-repeat center top;
}
.main4{
    background:url(../img/androin_learn/main4_bg.jpg) no-repeat center top;
}
.main4{
    overflow: hidden;
    padding-bottom: 245px;
}
.nav ul{
    width:377px;
    height:190px;
    text-align: center;
    float: left;
    margin-right:34px;
    padding-top:35px;
    margin-bottom: 53px;
}
.nav ul li a{
    text-align: left;
    display: block;
    font-weight: 100;
    font-size: 14px;
    color:#484848;
    margin-bottom: 13px;
    cursor: pointer;
    padding-left:115px;
}
.nav ul li a:hover{
    color:#71f40d;
}
.nav ul li:nth-child(1){
    font-size:20px;
    color:#242424;
    font-weight: 900;
    position: relative;
    margin-bottom: 15px;
}
.nav ul li:nth-child(1):before{
    content: "";
    position: absolute;
    width:0px;
    height:0px;
    border-width:7px 10px;
    border-color:transparent transparent transparent #000;
    border-style:solid;
    left:115px;
    top:5px;
}
.nav ul:nth-child(3) li:nth-child(1):before{
    left:85px;
}
.nav ul:nth-child(1){
    background:url(../img/androin_learn/ul1.png) no-repeat left top;
}
.nav ul:nth-child(2){
    background:url(../img/androin_learn/ul2.png) no-repeat left top;
}
.nav ul:nth-child(3){
    background:url(../img/androin_learn/ul3.png) no-repeat left top;
    margin-right: 0px;
}

.floor{
    width:1192px;
    float: right;
    border-left:1px solid #ebebeb;
}
.floor1{
    width:1144px;
    float: right;
    position: relative;
    margin-bottom: 32px;
    border:1px solid #25be6d;
}
.floor1:before{
    content: "";
    display: block;
    width:14px;
    height:14px;
    background:#25be6d;
    border-radius: 50%;
    position: absolute;
    left:-55px;
    top:78px;
}
.floor p{
    padding:35px;
    line-height: 26px;
    font-size: 14px;

}
.floor1 p:nth-child(1){
    background:#25be6d;
    color:#fff;
}
.floor1 p:nth-child(1) span:nth-child(1){
    display: block;
    font-size: 20px;
    margin-bottom:24px;
    color:#d4ef29;

}
.floor1 p:nth-child(1) span:nth-child(2){
    text-indent: 28px;
    display: block;
}
.floor1 p:nth-child(2){
    text-indent: 28px;
    color:#707070;
    background:#fff;
}


.floor2{
    border:1px solid #ebebeb;
}
.floor2:before{
    content: "";
    display: block;
    width:14px;
    height:14px;
    background:#ebebeb;
    border-radius: 50%;
    position: absolute;
    left:-55px;
    top:78px;
}
.floor2 p:nth-child(1){
    background:#f9f9f9;
    color:#333;
}

.floor2 p:nth-child(1) span:nth-child(1){
    color:#25be6d;
    font-size: 20px;
}
.floor2 p:nth-child(1) span:nth-child(2){
    color:#7c7c7c;
    font-style: 14px;
}
.main4 div:nth-child(6){
    margin-bottom: 0px;
}

.bottom{
    padding-top: 152px;
    padding-bottom: 100px;
    background:url(../img/androin_learn/bottom_bg.jpg) no-repeat center top;
}

.bottom p:nth-child(1){
    text-align: center;
    font-size:40px;
    color:#ffff00;
    font-family: "汉仪方隶简","微软雅黑";
    margin-bottom: 40px;
}
.bottom p:nth-child(2) img{
    width:850px;
    height:190px;
    margin:0 auto 50px;
}

.bottom p:nth-child(3){
    border:2px solid #fff2b7;
    width:488px;
    height:50px;
    color:#fff2b7;
    font-size: 20px;
    line-height: 50px;
    text-align: center;
    margin:0 auto;
    border-radius: 10px;
    position: relative;
    cursor: pointer;
}
.bottom p:nth-child(3):before{
    content: "";
    display: block;
    width:40px;
    height:1px;
    background:#fff2b7;
    position: absolute;
    left:25px;
    top:25px;
}
.bottom p:nth-child(3):after{
    content: "";
    display: block;
    width:40px;
    height:1px;
    position: absolute;
    left:420px;
    top:25px;
    background:#fff2b7;
}



.xiding{
    width:100%;
    position: fixed;
    top:0px;
    background:#f5f5f5;
    display: none;
}
.xiding .nav{
    width:1200px;
    margin:0px auto 0px;
}
.xiding .nav ul{
    margin-bottom: 20px;
}