/*root styles*/
:root{
    font:normal normal normal 16px/1 '微软雅黑','Microsoft YaHei Bold',sans-serif;
}
html,body{
    width:100%;
    height:100%;
    color:#323232;
}
*,*::before,*::after{box-sizing: border-box;margin:0;padding:0;}
a{text-decoration: none;color:#323232;}
a[role=button]{
    background: linear-gradient(to right,#FFBF22,#FFA700);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width:700px;
    height:60px;
    border-radius: 30px;
    font-size:30px;
    line-height: 60px;
    font-weight: 700;
    text-align: center;
    padding:0 140px;
    color:#FFFFFF;
    transition: all .25s ease-in;
}
a[role=button]:hover{
    box-shadow: 0 5px 10px rgba(215, 140, 10, 0.35);
    transform:translateY(-5px);
    cursor: pointer;
}
dl,ul,ol{list-style:none;margin:0;padding:0;}
/*header style*/
body > header {
    background:#FFFFFF;
    position: fixed;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    top:0;
    left:0;
    width:100%;
    height: 80px;
    z-index:999999;
    padding:0 calc((100% - 1200px)/2);
    box-shadow: 0 5px 10px rgba(200,200,200,.35);
}
body > header img{
    height:40px;
    cursor: pointer;
}
body > header > nav{
    display: flex;
    justify-content: space-between;
    width: 500px;
    padding:0 50px;
}
nav[role=navigation] > a{
    position:relative;
    font-size:20px;
    letter-spacing: 1px;
}
nav[role=navigation] > a:hover{
    color:#0780FE;
}
nav[role=navigation] > a::after{
    content: "";
    background-color: #0780FE;
    position: absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:-10px;
    width:0;
    height:3px;
    border-radius:2px;
    transition: all .2s ease-in;
}
nav[role=navigation] > a:hover::after,nav[role=navigation] > a:active::after{
    width:100%;
}
body > header > code{
    display: flex;
    align-items: center;
    height:30px;
    color:#0780FE;
    font: normal bold 26px/35px Alibaba-PuHuiTi-B, Alibaba-PuHuiTi,Arial, serif;
}
body > header > code > img{
    height:36px;
}
/* data-module styles*/
section[data-module]{
    display: flex;
    width:100%;
    min-width: 1200px;
    padding:60px calc(50% - 600px);
    flex-direction: column;
    align-items: center;
}
hgroup[role=heading]::before{
    background:linear-gradient(to right,#6AE57D,#6BC7F8);
    display: block;
    content:"";
    width: 100px;
    height: 8px;
    border-radius: 10px;
}
hgroup[role=heading]{
    display: flex;
    flex-direction: column;
    align-items: center;
}
hgroup[role=heading] > h2{
    font-size:42px;
    font-weight: 700;
    color:#09213B;
    margin:20px 0;
}
hgroup[role=heading] > p{
    color:#09213B;
    font-size:22px;
}
/*banner style*/
body > section[data-module=banner]{
    background:#1B70FF url(../images/banner.png) no-repeat center;
    justify-content: center;
    margin-top:80px;
    padding:0;
    height:660px;
    overflow:hidden;
}
section[data-module=banner] > img{
    height: 100%;
    object-position: center;
}
/* module note style*/
section[data-module=note]{
    background: rgba(0,0,0,.1);
    position: relative;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding:0 calc(50% - 510px);
    font-size:24px;
    margin-top:-80px;
    backdrop-filter: blur(50px);
}
section[data-module=note] > time::before{
    background: linear-gradient(to right,#00D521,#0086F0);
    display: inline-block;
    content:"开课时间";
    width: 148px;
    height: 45px;
    line-height:45px;
    border-radius: 5px;
    padding-left:32px;
    margin-right:20px;
    color:#FFFFFF;
}
section[data-module=note] > button{
    background: linear-gradient(to right, #FFB600, #FFA700);
    width: 200px;
    height: 50px;
    line-height: 45px;
    border-radius: 5px;
    border:0;
    font-size:24px;
    color:#FFFFFF;
    outline:none;
    cursor: pointer;
}

/* module summary styles */
section[data-module=summary]{
    flex-flow:row nowrap;
    justify-content: center;
}
section[data-module=summary] > hgroup[role=heading]{
    align-items: flex-start;
    margin-right: 35px;
}
section[data-module=summary] > p{
    background:linear-gradient(45deg,#F9FFF8,#FFFFFF);
    width: 600px;
    height: 150px;
    font-size:18px;
    line-height: 30px;
    padding:20px 50px;
    border:10px solid #F6F6F6;
    border-radius: 12px;
}

/* module features styles */
section[data-module=features]{
    background:#FBFBFD;
}
section[data-module=features] > ul::before{
    background:url(../images/features-bg.png) no-repeat center;
    display: block;
    position: absolute;
    left:50%;
    content:"";
    width: 420px;
    height: 420px;
    transform:translateX(-50%);
}
section[data-module=features] > ul{
    display: flex;
    position: relative;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    width: 1120px;
    height: 420px;
    margin:60px auto;
}
section[data-module=features] > ul > li{
    background:#E6F5EC;
    width: 430px;
    padding:20px 70px 20px 20px;
    line-height: 30px;
    border-radius: 5px;
}
section[data-module=features] > ul > li:nth-of-type(2){
    background:#D1F3F2;
    padding:20px 20px 20px 70px;
}
section[data-module=features] > ul > li:nth-of-type(3){
    background:#DBECF6;
    padding:20px 70px 20px 20px;
}
section[data-module=features] > ul > li:nth-of-type(4){
    background:#DAEEF2;
    padding:20px 20px 20px 70px;
}

/* module advantage styles */
section[data-module=advantage] > ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    width: 1120px;
    height: 440px;
    margin-top:50px;
    counter-reset: number;
}
section[data-module=advantage] > ul > li::before{
    display: inline;
    position: absolute;
    left:15px;
    top:25px;
    counter-increment: number;
    content:"0"counter(number);
    color:#1BBD38;
    font-size:20px;
    font-weight: 700;
}
section[data-module=advantage] > ul > li{
    background:linear-gradient(30deg,#E1F3FC 0%,#FFFFFF 50%);
    position: relative;
    width: 540px;
    height: 200px;
    padding:20px 20px 20px 50px;
    box-shadow: 5px 0 55px rgba(0,0,0,0.15);
}
section[data-module=advantage] > ul > li > h4{
    background:linear-gradient(to right,#D6FEDF 20%,transparent 35%);
    padding:5px 10px;
    font-size:20px;
}
section[data-module=advantage] > ul > li > p{
    line-height: 30px;
    margin-top:15px;
    padding-left:5px;
    border-left:2px solid #1BBD38;
}

/* module worth styles */
section[data-module=worth]{
    background:#F5F5F5;
}
section[data-module=worth] > ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    padding:50px 30px;
    height: 760px;
}
section[data-module=worth] > ul > li[data-number]::before{
    background:linear-gradient(45deg,#76B8FF,#26EE53);
    display: flex;
    align-items: center;
    justify-content: center;
    content:attr(data-number);
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 25px;
    color:#FFFFFF;
    font-size:24px;
}
section[data-module=worth] > ul > li{
    background:linear-gradient(#FFFFFF,#F3FFF5);
    position: relative;
    width: 360px;
    height: 200px;
    padding:20px 25px;
    box-shadow: 0 0 20px rgba(0,0,0,.1);
    border-radius: 15px;
    overflow: hidden;
}
section[data-module=worth] > ul > li:nth-of-type(7){
    display: flex;
    align-items: center;
    justify-content: center;
}
section[data-module=worth] > ul > li:last-child{
    width: 750px;
}
section[data-module=worth] > ul > li:last-child > img{
    position: absolute;
    top:30px;
    opacity: 0;
    z-index:-1;
    transform:scale(1.2);
    transition: all .5s ease-out;
}
section[data-module=worth] > ul > li:last-child > img[aria-current]{
    opacity: 1;
    transform:scale(1);
    z-index:999;
}
section[data-module=worth] > ul > li:last-child > nav{
    display: flex;
    justify-content: space-between;
    position: absolute;
    left:50%;
    bottom:20px;
    width: 120px;
    transform:translateX(-50%);
}
section[data-module=worth] > ul > li:last-child > nav > a{
    background: #DDDDDD;
    width: 10px;
    height: 10px;
    border-radius: 10px;
    cursor: pointer;
}
section[data-module=worth] > ul > li:last-child > nav > a[aria-current]{
    background:#2CEB5F;
}
section[data-module=worth] > ul > li > h4{
    font-size:24px;
    color:#37474F;
    margin:15px 0 30px 60px;
}
section[data-module=worth] > ul > li > p{
    color:#37474F;
    line-height: 25px;
}

/* module step styles */
section[data-module=step]{
    background:#FBFBFD;
}
section[data-module=step] > ul{
    background:url(../images/step-bg.png) no-repeat center;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    width: 1010px;
    height: 550px;
    margin-top:50px;
}
section[data-module=step] > ul > li{
    background:url(../images/step-bg-1.png) no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 465px;
    height: 225px;
    padding: 20px 40px;
    text-align: right;
}
section[data-module=step] > ul > li:nth-of-type(2){
    background-image:url(../images/step-bg-2.png);
    text-align: left;
}
section[data-module=step] > ul > li:nth-of-type(3){
    background-image:url(../images/step-bg-3.png);
}
section[data-module=step] > ul > li:nth-of-type(4){
    background-image:url(../images/step-bg-4.png);
    text-align: left;
}
section[data-module=step] > ul > li > p{
    line-height: 25px;
    margin:15px 0;
}
section[data-module=step] > ul > li > h4{
    background:linear-gradient(to right,#FFFFFF,#71E7A4);
    font-size:20px;
    padding:5px;
    border-radius: 20px;
}
section[data-module=step] > ul > li:nth-of-type(2) > h4{
    background:linear-gradient(to right,#3BF6EC,#FFFFFF);
}
section[data-module=step] > ul > li:nth-of-type(3) > h4{
    background:linear-gradient(to right,#FFFFFF,#5FC2FF);
}
section[data-module=step] > ul > li:nth-of-type(4) > h4{
    background:linear-gradient(to right,#64E3FB,#FFFFFF);
}

/* module superiority styles */
section[data-module=superiority] > ul{
    display: flex;
    justify-content: space-between;
    width: 1140px;
    margin-top:50px;
}
section[data-module=superiority] > ul > li{
    background:linear-gradient(#F3FFF5 10%,#FFFFFF 30%);
    width: 360px;
    height: 280px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0,0,0,.15);
}
section[data-module=superiority] > ul > li > h4{
    background:#1BBD38;
    font-size:22px;
    width: 110px;
    padding:10px 30px;
    margin:40px auto;
    border-radius: 50px;
    color:#FFFFFF;
}
section[data-module=superiority] > ul > li:nth-of-type(2) > h4{
    background: #00BFE1;
}
section[data-module=superiority] > ul > li:nth-of-type(3) > h4{
    background: #009AF8;
}
section[data-module=superiority] > ul > li > p{
    background:url(../images/superiority-bg-1.png) no-repeat top 5px left;
    padding:0 30px 0 40px;
    margin-bottom:10px;
    line-height: 25px;
}
section[data-module=superiority] > ul > li:nth-of-type(2) > p{
    background-image:url(../images/superiority-bg-2.png);
}
section[data-module=superiority] > ul > li:nth-of-type(3) > p{
    background-image:url(../images/superiority-bg-3.png);
}

/* module choose styles */
section[data-module=choose]{
    background:#F5F5F5;
}
section[data-module=choose] > img{
    width: 1132px;
    margin-top:50px;
}

/* module crowd styles */
section[data-module=crowd]{
    background:url(../images/crowd-bg.png) no-repeat center;
}
section[data-module=crowd] > ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    width: 1050px;
    height: 190px;
    margin:50px auto;
}
section[data-module=crowd] > ul > li{
    background:url(../images/crowd-item-bg.png) no-repeat center bottom 10px,
    linear-gradient(to right,#F3FFF7,#FFFFFF);
    width: 330px;
    height: 80px;
    font-size:24px;
    font-weight: 700;
    text-align: center;
    line-height: 80px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,.15);
}

/* module course styles */
section[data-module=course] > dl{
    position: relative;
    display: flex;
    flex-direction: column;
    width: 1120px;
}
section[data-module=course] > dl > dt{
    background:#FFFFFF linear-gradient(#ECECEC,#ECECEC) no-repeat bottom 1px center/100% 2px;
    display: flex;
    position: relative;
    justify-content: space-between;
    width: 100%;
    padding:10px 60px 0 60px;
    margin-bottom:20px;
    z-index: 999;
}
section[data-module=course] > dl > dt > a{
    background:linear-gradient(to right,#6AE57D,#6BC7F8) no-repeat bottom center/70% 0;
    font-size:20px;
    padding:10px;
    color:#333333;
    cursor:pointer;
    transition: all .25s ease-out;
}
section[data-module=course] > dl > dt > a[aria-current]{
    background-size:70% 4px;
    font-weight: 700;
    color:#323232!important;
}
section[data-module=course] > dl > dt > a:hover{
    color:#6AE57D;
}
section[data-module=course] > dl > dd{
    background: #F6FAFF;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    width: 100%;
    transform-origin:left top;
    transform:scaleX(0);
    opacity: 0;
    z-index: -1;
    transition: all .25s ease-out;
}
section[data-module=course] > dl > dd[aria-current]{
    position: relative;
    transform:scaleX(1);
    opacity: 1;
    z-index: 1;
}
section[data-module=course] > dl > dd[aria-current] ~ dd{
    top:100px;
}
section[data-module=course] > dl > dd > h3{
    background:linear-gradient(to right,#6AE57D,#6BC7F8);
    border-radius: 0 25px 25px 0;
    padding:10px 40px;
    font-size:22px;
}
section[data-module=course] > dl > dd > ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    padding:30px;
}
section[data-module=course] > dl > dd > ul > li{
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 520px;
    padding:30px 20px;
    box-shadow: 0 0 10px rgba(0,0,0,.15);
}
section[data-module=course] > dl > dd > ul > li:nth-of-type(n + 3){
    margin-top:20px;
}
section[data-module=course] > dl > dd > ul > li > h4{
    background:#6AE481;
    font-size:18px;
    padding:5px 30px;
    border-radius: 20px;
}
section[data-module=course] > dl > dd > ul > li > p{
    line-height: 30px;
    padding-top:15px;
}

/*footer styles*/
body > footer{
    background: #323232;
    display: flex;
    justify-content: center;
    align-items: center;
    width:100%;
    color:#FFFFFF;
    font-size:14px;
    height:60px;
}
body > footer > a{
    color:#FFFFFF;
    margin:0 10px;
}

/*IE10~11 hack*/
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    section[data-module=banner] > img{
        display: none;
        opacity: 0;
    }
}