/*root styles*/
:root{
    font-size:13.3333333333vw;
    scroll-behavior: smooth;
    overflow: hidden;
}
html,body{
    font-family: systemui,'微软雅黑','Microsoft YaHei Bold',sans-serif;
    width:100%;
    height:100%;
    overflow-x:hidden;
}
*,*::before,*::after{box-sizing: border-box;margin:0;padding:0;}
a{text-decoration: none;color:#323232}
a[role=button]{
    background: linear-gradient(to right,#FF836D,#FFA648);;
    display: flex;
    align-items: center;
    justify-content: center;
    width:5.6rem;
    height:0.65rem;
    border-radius: 0.35rem;
    font-size:0.28rem;
    line-height: 0.65rem;
    font-weight: 500;
    text-align: center;
    color:#FFFFFF;
    box-shadow: 0 0 0.08rem rgba(83,6,6,.14);
    transition: all .25s ease-in;
}
a[role=button]:hover{
    box-shadow: 0 0.05rem 0.1rem rgba(20, 97, 240, 0.35);
    transform:translateY(-0.05rem);
    cursor: pointer;
}
dl,ul,ol,menu{list-style:none;margin:0;padding:0;}
body > section{
    display: flex;
    width:100%;
}
/*header style*/
body > header {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background:#ffffff;
    width:100%;
    height: 1rem;
    z-index:999999;
    box-shadow: 0 0.1rem 0.2rem rgba(200,200,200,.35);
}
body > header > a{
    display: inline-block;
    height:0.4rem;
    line-height: 0;
}
body > header img{
    height:0.4rem;
}
body > header > nav{
    display: flex;
    justify-content: space-between;
    width: 4rem;
}
nav[role="navigation"] > a:hover{
    color:#0780FE;
}
nav[role="navigation"] > a{
    position:relative;
    font-size:0.24rem;
    letter-spacing: 0.02rem;
}
nav[role="navigation"] > a::after{
    content: "";
    background-color:#0780FE;
    position: absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:-0.2rem;
    width:0;
    height:0.06rem;
    border-radius:0.04rem;
    transition: all .2s ease-in;
}
nav[role="navigation"] > a:where(:hover,:active)::after{
    width:100%;
}
/* heading styles */
h2[role=heading]{
    background: transparent;
    display:flex;
    align-items: center;
    width:fit-content;
    min-height: 0.4rem;
    font-size:0.32rem;
    color:#181448;
    margin-bottom:0.4rem;
    text-align: center;
}
/*banner style*/
body > figure[role=banner]{
    width:100%;
}
body > figure[role=banner] > img{
    display:block;
    width:100%;
}
body > figure[role=banner] > figcaption{
    background: rgba(255,255,255,1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 0.8rem;
    padding:0 0.3rem;
    font-size: 0.24rem;
}
body > figure[role=banner] > figcaption> time::before{
    background:#1A79F8;
    display: inline-block;
    content:"开课时间";
    width: 1.34rem;
    height: 0.46rem;
    line-height:0.46rem;
    text-align: center;
    border-radius: 0.05rem;
    margin-right:0.2rem;
    color:#FFFFFF;
}
body > figure[role=banner] > figcaption> time::after{
    content:attr(datetime);
    margin-left:0.02rem;
}
body > figure[role=banner] > figcaption > button{
    background: linear-gradient(to right,#54FDCB,#D0F329 );
    width: 1.86rem;
    height: 0.46rem;
    line-height: 0.46rem;
    border-radius: 0.3rem;
    font-size:0.26rem;
    border:0;
    color:#2C283A;
    outline:none;
    cursor: pointer;
}

/* module styles */
section[data-module]{
    background:#F5F7FA;
    flex-direction: column;
    align-items: center;
    padding:0.4rem 0.3rem;
    font-size:0.2rem;
}

/* module summary styles */
section[data-module=summary]{
    background:#F6F7FB;
}
section[data-module=summary] > details{
    background:#FFFFFF;
    width:100%;
    padding-bottom:0.36rem;
    border-radius:0.3rem;
    text-align: center;
    transition: all .25s linear;
}
section[data-module=summary] > details:nth-of-type(2){
    margin:0.3rem 0;
}
section[data-module=summary] > details summary{
    list-style-type:none;
    background: linear-gradient( 270deg, #4CA0F2 0%, #2567E1 100%);
    width: 100%;
    height:0.7rem;
    padding-left:0.4rem;
    font-size:0.26rem;
    line-height:0.7rem;
    color:#FFFFFF;
    border-radius: 0.3rem 0.3rem 0 0;
    cursor:pointer;
}
section[data-module=summary] > details p{
    width:100%;
    padding:0.15rem 0.4rem;
    font-size: 0.24rem;
    text-align: left;
    color: #656A74;
    line-height: 0.5rem;
}
section[data-module=summary] > details img{
    width: 5.88rem;
}

/* module about styles */
section[data-module=about]{
    background:#FFFFFF;
}
section[data-module=about] > p{
    background: linear-gradient( 180deg, #EFF6FB 0%, #F8FBFD 100%);
    width:100%;
    padding:0.3rem 0.4rem;
    font-size:0.24rem;
    line-height:0.5rem;
    border-radius: 0.2rem;
    margin-bottom:0.4rem;
}
section[data-module=about] > p b{
    color:#0054D7;
}

/* module choose styles */
section[data-module=choose]{
    background:#EEF0F4;
}
section[data-module=choose] dl{
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap:0.3rem;
    width: 100%;
    padding-top:0.6rem;
    box-shadow: 0 0.02rem 0.1rem 0 rgba(23,38,89,0.16);
    border-radius: 0.3rem;
}
section[data-module=choose] dl > dd{
    background: linear-gradient( 270deg, #FC9B79 0%, #FF7664 100%);
    width: 5.52rem;
    height: 0.6rem;
    line-height:0.6rem;
    font-size:0.24rem;
    color:#FFFFFF;
    text-align: center;
    border-radius: 0.3rem;
}
section[data-module=choose] dl > dd:nth-of-type(2),
section[data-module=choose] dl > dd:nth-of-type(5){
    background: linear-gradient( 270deg, #35C09D 0%, #29C6C3 100%);
}
section[data-module=choose] dl > dd:nth-of-type(3){
    background: linear-gradient( 270deg, #4A8CFF 0%, #5970FF 100%);
}
section[data-module=choose] dl > dt{
    background: linear-gradient( 270deg, #D9F7FF 0%, #D4E3FF 100%);
    width: 100%;
    height: 1rem;
    text-align: center;
    font-size:0.3rem;
    line-height:1rem;
    margin-top:0.3rem;
}

/* module step styles */
section[data-module=step]{
    background:#FFFFFF;
}
section[data-module=step] > p{
    font-size: 0.25rem;
    color: #444444;
    transform:translateY(-0.25rem);
}
section[data-module=step] > ul{
    display: flex;
    flex-direction:column;
    gap:0.3rem;
    width:100%;
    padding-inline:0.15rem;
}
section[data-module=step] > ul > li{
    background:url(../images/step-1.png) no-repeat left top/100% 0.6rem;
    display: flex;
    flex-direction: column;
    width:100%;
}
section[data-module=step] > ul > li:nth-of-type(2){
    background-image:url(../images/step-2.png);
}
section[data-module=step] > ul > li:nth-of-type(3){
    background-image:url(../images/step-3.png);
}
section[data-module=step] > ul h4{
    height: 0.6rem;
    width:100%;
    font-size:0.24rem;
    line-height:0.6rem;
    color:#FFFFFF;
    padding-left:0.5rem;
}
section[data-module=step] > ul p{
    background: #F1F7FC;
    display: flex;
    flex-wrap:wrap;
    align-items: center;
    padding:0.3rem;
}
section[data-module=step] > ul span{
    background: #FFFFFF;
    border-radius: 0.04rem;
    text-align: center;
}
section[data-module=step] > ul > li:nth-of-type(2) p{
    width:100%;
    gap:0.1rem;
}
section[data-module=step] > ul > li:nth-of-type(2) p > b{
    background:#FCD8C8;
    width:1.5rem;
    height:0.4rem;
    line-height:0.4rem;
    text-align: center;
    border-radius: 0.04rem;
}
section[data-module=step] > ul > li:nth-of-type(2) p > b:nth-of-type(2){
    background:#FFEAAC;
    width:4.4rem;
}
section[data-module=step] > ul > li:nth-of-type(2) p > span{
    width: 1.5rem;
    height:0.4rem;
    line-height:0.4rem;
}
section[data-module=step] > ul > li:nth-of-type(2) p > span:nth-of-type(even){
    width:4.4rem;
}
section[data-module=step] > ul > li:nth-of-type(3) p{
    gap:0.2rem;
}
section[data-module=step] > ul > li:nth-of-type(3) span{
    width: 2.9rem;
    height:0.82rem;
    border-radius:0.15rem;
}
section[data-module=step] > ul > li:nth-of-type(3) span[title]::before{
    background: linear-gradient( 270deg, #FC9B79 0%, #FF7664 100%);
    display: block;
    content:attr(title);
    width: 1.12rem;
    height: 0.36rem;
    line-height: 0.36rem;
    margin-bottom:0.05rem;
    color:#FFFFFF;
    border-radius: 0.15rem 0 0.15rem 0;
}

/* module feature styles */
section[data-module=feature]{
    background:#E9ECFC;
}
section[data-module=feature] > ul{
    display: flex;
    flex-direction: column;
    gap:0.3rem;
    width:100%;
    margin-bottom:0.4rem;
}
section[data-module=feature] > ul > li{
    background: rgba(255,255,255,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    width:100%;
    padding:0.2rem;
    text-align: center;
    border-radius: 0.4rem;
}
section[data-module=feature] > ul > li:last-of-type{
    width:100%;
}
section[data-module=feature] > ul > li > h3::before{
    content:attr(title);
    font-size:0.32rem;
}
section[data-module=feature] > ul > li > h3{
    background:url(../images/feature-1.png) no-repeat right center/2rem 1.6rem,
    linear-gradient( 270deg, #4A8CFF 0%, #5970FF 100%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap:0.1rem;
    padding-left:0.5rem;
    margin-bottom:0.2rem;
    width:100%;
    height: 1.6rem;
    font-size:0.25rem;
    font-weight: normal;
    color:#FFFFFF;
    border-radius: 0.3rem;
}
section[data-module=feature] > ul > li:nth-of-type(2) > h3{
    background-image:url(../images/feature-2.png),
    linear-gradient( 270deg, #9561FF 0%, #6B3CFF 100%);
}
section[data-module=feature] > ul > li > h4{
    background: linear-gradient( 270deg, #E0ECFF 0%, #BDD4FF 100%);
    width: fit-content;
    height:0.4rem;
    font-size:0.22rem;
    line-height: 0.4rem;
    padding:0 0.28rem;
    border-radius: 0.25rem;
}
section[data-module=feature] > ul > li:nth-of-type(2) > h4{
    background: linear-gradient( 270deg, #ECEAFF 0%, #D4D0FF 100%);
}
section[data-module=feature] > ul > li > p{
    font-size:0.21rem;
    line-height:0.36rem;
    padding-block:0.2rem;
    text-align:center;
}
section[data-module=feature] > ul > li img{
    width:100%;
    border-radius:0.2rem;
}

/* module crowd styles */
section[data-module=crowd]{
    background:#F6F7FB url(../images/crowd-bg.png) no-repeat top center/7.5rem 11.05rem;
    height:11.05rem;
}
section[data-module=crowd] > ul{
    display: flex;
    flex-direction:column;
    gap:0.25rem;
    width:100%;
}
section[data-module=crowd] > ul > li{
    display:flex;
    flex-direction: column;
    gap:0.15rem;
}
section[data-module=crowd] > ul > li:nth-of-type(2){
    transform:translateX(0.6rem);
}
section[data-module=crowd] > ul > li:nth-of-type(3){
    transform:translateX(1.9rem);
}
section[data-module=crowd] > ul > li:nth-of-type(4){
    transform:translateX(0.18rem);
}
section[data-module=crowd] > ul > li:nth-of-type(5){
    transform:translateX(0.11rem);
}
section[data-module=crowd] > ul > li > h4{
    background: url(../images/crowd-point.png) no-repeat left center/0.26rem 0.26rem,
    url(../images/crowd-arrow-right.png) no-repeat right 0.4rem center/0.58rem 0.13rem,
    linear-gradient( 270deg, #C5E5FF 0%, rgba(198,230,255,0) 100%);
    width:fit-content;
    height:0.8rem;
    padding:0 1.28rem 0 0.5rem;
    font-size:0.24rem;
    line-height: 0.8rem;
    border-radius: 0 1rem 1rem 0;
}
section[data-module=crowd] > ul > li:nth-of-type(n + 4) > h4{
    background: url(../images/crowd-point.png) no-repeat right center/0.26rem 0.26rem,
    url(../images/crowd-arrow-left.png) no-repeat left 0.4rem center/0.58rem 0.13rem,
    linear-gradient( to right, #C5E5FF 0%, rgba(198,230,255,0) 100%);
    border-radius: 1rem 0 0 1rem;
    text-align:right;
    padding:0 0.5rem 0 1.28rem;
}
section[data-module=crowd] > ul > li:nth-of-type(4) > h4{
    width: 4.44rem;
    height:1.12rem;
    padding-top:0.3rem;
    line-height:0.32rem;
}
section[data-module=crowd] > ul > li > p{
    display: flex;
    flex:1;
    flex-wrap:wrap;
    gap:0.1rem;
}
section[data-module=crowd] > ul > li:nth-of-type(n + 2) p{
    max-width:4.14rem;
}
section[data-module=crowd] > ul > li span{
    background: #FFFFFF;
    width: 2.02rem;
    height: 0.6rem;
    line-height:0.6rem;
    text-align: center;
    border-radius: 0.15rem;
}

/* module exam styles */
section[data-module=exam]{
    background:#FFFFFF;
}
section[data-module=exam] > ul{
    display: flex;
    flex-wrap:wrap;
    gap:0.3rem;
    width:100%
}
section[data-module=exam] > ul > li{
    background: linear-gradient( 309deg, #E1EEFF 0%, #EEF9FF 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap:0.2rem;
    width: 3.1rem;
    height: 1.98rem;
    padding:0.3rem;
    font-size:0.2rem;
    line-height: 0.36rem;
    text-align: center;
    border-radius: 0.2rem;
}
section[data-module=exam] > ul > li > h4{
    background: linear-gradient( 270deg, #93A5FF 0%, #5967FF 100%);
    width: 100%;
    height: 0.46rem;
    text-align: center;
    line-height:0.46rem;
    font-size:0.24rem;
    color:#FFFFFF;
    border-radius: 0.25rem;
}

/* module course styles */
section[data-module=course]{
    background:#F6F7FB;
    margin-bottom:1rem;
}
section[data-module=course] > article{
    display: flex;
    position: relative;
    gap:0.4rem;
    width: 100%;
}
section[data-module=course] menu{
    display: flex;
    flex-direction: column;
    gap:0.3rem;
    min-width: 1.9rem;
}
section[data-module=course] menu > li{
    background: #FFFFFF url(../images/course-arrow-gray.png) no-repeat right 0.2rem center/0.12rem 0.2rem;
    width: 100%;
    height: 0.75rem;
    font-size:0.22rem;
    text-align: center;
    line-height: 0.75rem;
    border-radius: 0.1rem;
}
section[data-module=course] menu > li[aria-current]{
    background: url(../images/course-arrow-white.png) no-repeat right 0.2rem center/0.12rem 0.2rem,
    linear-gradient( 270deg, #75C6FE 0%, #1850FF 100%);
    color:#FFFFFF;
}
section[data-module=course] section{
    position: absolute;
    right:0;
    top:0;
    width:4.6rem;
    z-index:0;
    opacity:0;
    transform:scaleX(0);
    transform-origin: left top;
    transition:all .25s ease-out;
}
section[data-module=course] section[aria-current]{
    position:relative;
    opacity: 1;
    z-index:1;
    transform:scaleX(1);
}
section[data-module=course] h3{
    font-weight: 500;
    font-size: 0.24rem;
    color: #0054D7;
    line-height: 0.35rem;
}
section[data-module=course] p{
    font-size:0.2rem;
    line-height:0.36rem;
}