/*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]{
    display: block;
    background: linear-gradient(to right,#FF768D,#FFB785);
    width:680px;
    height:60px;
    border-radius: 30px;
    font-size:30px;
    line-height: 60px;
    font-weight: 700;
    text-align: center;
    color:#FFFFFF;
    transition: all .25s ease-in;
}
a[role=button]:hover{
    box-shadow: 0 5px 10px rgba(162, 24, 49, 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;
}
h2[role=heading]{
    background:url(../images/heading-bg.png) no-repeat top center;
    height:75px;
    padding-top:25px;
    font-size:35px;
    font-weight: 700;
    color:#141547;
    text-align: center;
    white-space: nowrap;
}
/*banner style*/
body > section[data-module=banner]{
    background:url(../images/banner.png) no-repeat center;
    justify-content: center;
    margin-top:80px;
    padding:0;
    height:560px;
    overflow:hidden;
}
section[data-module=banner] > img{
    height: 100%;
    object-position: center;
}
/* module note style*/
section[data-module=note]{
    background: #FFFFFF;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    height:100px;
    font-size:24px;
}
section[data-module=note] > time::before{
    display: inline-block;
    content:"开课时间";
    background: #00F7A9;
    width: 148px;
    height: 45px;
    line-height:45px;
    border-radius: 5px;
    padding-left:32px;
    margin-right:20px;
}
section[data-module=note] > button{
    background: linear-gradient(to right, #FF768D, #FFB785);
    width: 258px;
    height: 45px;
    line-height: 45px;
    border-radius: 25px;
    border:0;
    font-size:24px;
    color:#FFFFFF;
    outline:none;
    cursor: pointer;
}

/* module summary styles */
section[data-module=summary]{
    background:url(../images/summary-bg.png) no-repeat top center;
    height: 315px;
}
section[data-module=summary] > h1{
    font-size:35px;
    margin-top:20px;
}
section[data-module=summary] > p{
    font-size:20px;
    padding:20px 120px;
    line-height: 35px;
}

/* module importance styles */
section[data-module=importance]{
    background:url(../images/importance-bg.png) no-repeat top center;
}
section[data-module=importance] > ul{
    background:url(../images/line.png) no-repeat left top;
    width:920px;
    height: 475px;
    margin-top:60px;
}
section[data-module=importance] > ul > li::before{
    background: #B3FDE6;
    content:attr(data-year);
    display: inline-block;
    width:95px;
    height: 34px;
    border-radius: 5px;
    text-align: center;
    line-height: 34px;
    margin:0 20px 0 35px;
}
section[data-module=importance] > ul > li{
    background:url(../images/arrow.png) no-repeat left center;
    display: flex;
    align-items: center;
    height: 34px;
    font-size:20px;
    margin-bottom:42px;
}
section[data-module=importance] > ul > li:nth-of-type(even){
    margin-left:90px;
}

/* module superiority styles */
section[data-module=superiority] > ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-content: space-between;
    width:880px;
    height: 480px;
    margin-top:50px;
}
section[data-module=superiority] > ul > li{
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #F4FAFD;
    width: 280px;
    height: 230px;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.06);
    border-radius: 10px;
    border: 1px solid #EAEAEA;
    margin-right: 20px;
    padding:30px;
    text-align: center;
    font-size:20px;
    line-height: 32px;
}
section[data-module=superiority] > ul > li:nth-of-type(3){
    margin-right: 0;
}
section[data-module=superiority] > ul > li > h4{
    background:#B3FDE6;
    padding:2px 20px;
    border-radius: 20px;
    margin:10px auto;
}

/* module features styles */
section[data-module=features]{
    background:url(../images/features-bg.png) no-repeat top center;
    height: 720px;
}
section[data-module=features] > h2[role=heading]{
    color:#FFFFFF;
}
section[data-module=features] > ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    width:850px;
    height: 490px;
    margin-top:40px;
}
section[data-module=features] > ul > li{
    background: #FFFFFF url(../images/features-1.png) no-repeat top left;
    width: 410px;
    height: 148px;
    box-shadow: 0 2px 6px 0 rgba(0,0,0,0.06);
    border-radius: 10px;
    padding:30px;
    font-size:20px;
}
section[data-module=features] > ul > li:nth-of-type(2){
    background-image:url(../images/features-2.png);
}
section[data-module=features] > ul > li:nth-of-type(3){
    background-image:url(../images/features-3.png);
}
section[data-module=features] > ul > li:nth-of-type(4){
    background-image:url(../images/features-4.png);
}
section[data-module=features] > ul > li:nth-of-type(5){
    background-image:url(../images/features-5.png);
}
section[data-module=features] > ul > li > p{
    display: flex;
    align-items: center;
    height: 48px;
    font-size:18px;
    line-height: 28px;
    margin-top:20px;
    border-left:5px solid #F3F3F3;
    padding-left:10px;
}

/* module worth styles */
section[data-module=worth] > ul{
    display: flex;
    justify-content: space-between;
    width:100%;
    padding:60px 20px;
}
section[data-module=worth] > ul > li{
    display: flex;
    flex-direction: column;
    align-items: center;
    width:260px;
    height: 250px;
}
section[data-module=worth] > ul > li > h4{
    font-size:22px;
    margin:30px auto 15px auto;
}
section[data-module=worth] > ul > li > p{
    font-size:18px;
    line-height: 28px;
}

/* module struct styles */
section[data-module=struct]{
    background:url(../images/struct-bg.png) no-repeat top center;
}
section[data-module=struct] > figure{
    display: flex;
    flex-direction: column;
    align-items: center;
}
section[data-module=struct] > figure > figcaption{
    font-size:20px;
    margin:30px auto;
}

/* module crowd styles */
section[data-module=crowd] > ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 990px;
    height: 250px;
    margin-top:50px;
}
section[data-module=crowd] > ul > li{
    background:linear-gradient(to right,transparent 60px,#F3F7FE 60px);
    display: flex;
    align-items: center;
    width:300px;
    height: 110px;
    font-size:22px;
    border-radius:50px 5px 5px 50px;
    box-shadow: 0 2px 4px 0 rgba(0,0,0,0.06);
    line-height: 32px;
}
section[data-module=crowd] > ul > li > img{
    margin:0 30px 0 10px;
    box-shadow: 0 0 0 10px #FFFFFF;
    border-radius: 50px;
}

/* module reliable styles */
section[data-module=reliable]{
    background:url(../images/reliable-bg.png) no-repeat top center;
    height: 480px;
}
section[data-module=reliable] > h2{
    color:#FFFFFF;
}
section[data-module=reliable] > ul{
    display: flex;
    justify-content: space-between;
    width:1180px;
    height: 240px;
    margin-top:40px;
}
section[data-module=reliable] > ul > li{
    background: url(../images/flag.png) no-repeat top left 5px,
    linear-gradient(#2C2E73,#2C2E73) no-repeat top 5px left;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 220px;
    height: 240px;
    color:#FFFFFF;
    padding:30px 20px;
    font-size:18px;
}
section[data-module=reliable] > ul > li > h4{
    background: #474DAB linear-gradient(#00F7A9,#00F7A9) no-repeat top 25px center/65px 5px;
    width: 125px;
    height: 38px;
    backdrop-filter: blur(10px);
    text-align: center;
    padding-top:10px;
}
section[data-module=reliable] > ul > li > p{
    line-height: 26px;
    margin-top:30px;
}

/* module exam styles */
section[data-module=exam]{
    background:#F5F5F5;
}
section[data-module=exam] > ul{
    background:url(../images/exam.png) no-repeat left center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 750px;
    height: 390px;
    padding-left:380px;
    font-size:22px;
    margin-top:40px;
}
section[data-module=exam] > ul > li{
    background:linear-gradient(#707CFF,#707CFF) no-repeat left center/5px 16px;
    height: 32px;
    line-height: 32px;
    padding-left:20px;
}

/* module course styles */
section[data-module=course] > dl{
    width:820px;
    margin-top:40px;
}
section[data-module=course] > dl > dt{
    display: flex;
    justify-content: space-between;
    width:100%;
    padding:0 70px;
}
section[data-module=course] > dl > dt > a{
    background: #A7B2C5;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 50px;
    border-radius: 30px;
    color:#FFFFFF;
    cursor: pointer;
}
section[data-module=course] > dl > dt > a[data-active]{
    background:#707CFF;
}
section[data-module=course] > dl > dd{
    position: relative;
    width:100%;
    padding-top:30px;
}
section[data-module=course] > dl > dd > table{
    position: absolute;
    width: 100%;
    border-spacing: 0;
    font-size:20px;
    opacity: 0;
    transform-origin: top left;
    transform:scaleY(0);
    z-index:0;
    transition: all .25s ease-out;
}
section[data-module=course] > dl > dd > table[data-current]{
    position: relative;
    opacity: 1;
    transform:scaleY(1);
    z-index: 99;
}
section[data-module=course] > dl > dd > table th:nth-of-type(1){
    background:linear-gradient(#707CFF,#707CFF) no-repeat left bottom/300px 5px;
    width:300px;
}
section[data-module=course] > dl > dd > table th{
    background:linear-gradient(#D4D8FF,#D4D8FF) no-repeat left bottom/100% 5px;
    height: 50px;
}
section[data-module=course] > dl > dd > table tr td:nth-of-type(1){
    background:linear-gradient(#EEF0F4,#EEF0F4) no-repeat top 10px left/100% 50px;
    text-align: center;
    vertical-align: top;
    padding-top:20px;
}
section[data-module=course] > dl > dd > table td{
    background:linear-gradient(#FAFBFC,#FAFBFC) no-repeat top 10px left;
    line-height: 35px;
    padding:30px 40px;
}

/*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;
}

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