.nav-wrap {
    background: #fff;
}

.bannerWrap {
    width: 100%;
    overflow: hidden;
    position: relative;
    background: #F6F6F6;
}

.banner_head {
    width: 100%;
    position: relative;
}

.banner_head img {
    width: 100%;
    cursor: pointer;
}

.hd_banner {
    position: absolute;
    bottom: 20px;
    left: 50%;
    overflow: hidden;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    z-index: 1;
}

.hd_banner li {
    display: inline-block;
    vertical-align: middle;
    width: 9px;
    height: 9px;
    background: rgba(255, 255, 255, 0.31);
    border-radius: 50%;
    margin-right: 19px;
    cursor: pointer;
}

.bd_banner li a {
    display: block;
}

.hd_banner li:last-child {
    margin-right: 0px;
}

.hd_banner li.on {
    background: rgba(255, 255, 255, 1);
}

/* 公共部分 */
.sectionInner {
    width: 1200px;
    margin: 0 auto;
    border-top: 1px solid transparent;
}


.pubTitle {
    font-size: 18px;
    font-family: Source Han Sans SC;
    font-weight: bold;
    color: rgba(64, 64, 64, 1);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-top: 15px;
    padding: 0px 12px;
}

.pubTitle span b {
    color: #7C5AC6;
    display: inline-block;
    margin-right: 11px;
}

.pubTitle a {
    font-size: 14px;
    font-family: Source Han Sans SC;
    font-weight: 400;
    color: rgba(117, 117, 117, 1);
}

.upTips {
    font-size: 24px;
    font-family: Source Han Serif SC;
    font-weight: 500;
    color: rgba(56, 56, 56, 1);
    text-align: center;
}

.upTitle {
    flex: 1;
    height: 75px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upTitle span {
    display: block;
    font-size: 24px;
    font-family: Source Han Sans SC;
    font-weight: 500;
    color: rgba(51, 56, 66, 1);
    margin: 0 20px;
}

/* 测试 */
.sectionOne {
    background: #F6F6F6;
    padding-bottom: 76px;
}

.animationTit {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 88px;
    box-sizing: border-box;
    padding-top: 23px;
    padding-bottom: 38px;
    animation:up_down 1s ease-in-out infinite alternate;
}
@keyframes up_down{
    0%{
        opacity:0.1;
        padding-top: 5px; 
    }
    100%{
        opacity:1;
        padding-top: 30px;
    }
}
.testList ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.testList ul li {
    padding-top: 28px;
    width: 208px;
    height: 252px;
    box-sizing: border-box;
    background: url(/cn/images/test/first_bg.png) no-repeat center center;
    position: relative;
    transition: all 0.3s;
}
.testList ul li:hover{
   margin-top: -10px;
}
.testList ul li:nth-of-type(2) {
    background: url(/cn/images/test/two_bg.png) no-repeat center center;
}

.testList ul li:nth-of-type(3) {
    background: url(/cn/images/test/three_bg.png) no-repeat center center;
}

.testImg {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.testTitle {
    font-size: 20px;
    font-family: Source Han Serif SC;
    font-weight: bold;
    color: rgba(64, 64, 64, 1);
    line-height: 24px;
    text-align: center;
}

.testTips {
    font-size: 16px;
    font-family: Source Han Sans SC;
    font-weight: 300;
    color: rgba(120, 120, 120, 1);
    line-height: 18px;
    text-align: center;
    margin-top: 15px;
}

.beginTest {
    width: 135px;
    height: 40px;
    position: absolute;
    right: 0px;
    bottom: -16px;
    text-align: center;
    line-height: 40px;
    font-size: 24px;
    font-family: Source Han Sans SC;
    font-weight: 500;
    color: rgba(245, 245, 245, 1);
    overflow: hidden;
    background: url(/cn/images/test/begin_bg.png) no-repeat -135px center;
    background-color: rgb(81,131,204);
    animation:left_right 2s ease-in infinite;
}

.testList ul li:nth-of-type(2) .beginTest,
.testList ul li:nth-of-type(4) .beginTest{
    background-color: rgb(96,86,205);
    animation-delay:1s
}
.testList ul li:nth-of-type(3) .beginTest{
    background-color: rgb(132,84,205);
    animation-delay:0.5s
}
@keyframes left_right{
    0%{
        background-position: -135px center;
    }
    100%{
        background-position:370px center;
    }
}
/* 练习提升 */
.sectionTwo {
    padding-bottom: 50px;
}

.upList ul {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.upList ul li {
    width: 379px;
    height: 243px;
    background: rgba(255, 255, 255, 1);
    border-radius: 5px;
    margin-right: 30px;
    margin-top: 30px;
    transition: all .3s;
}

.upList ul li:hover {
    margin-top: -10px;
}

.upList ul li:first-child {
    background:
        url(/cn/images/test/CR.png) no-repeat left top,
        url(/cn/images/test/up_bg.png) no-repeat center center;
}

.upList ul li:nth-child(2) {
    background:
        url(/cn/images/test/SC.png) no-repeat left top,
        url(/cn/images/test/up_bg.png) no-repeat center center;
}

.upList ul li:nth-child(3) {
    background:
        url(/cn/images/test/RC.png) no-repeat left top,
        url(/cn/images/test/up_bg.png) no-repeat center center;
}

.upList ul li:nth-child(4) {
    background:
        url(/cn/images/test/PS.png) no-repeat left top,
        url(/cn/images/test/up_bg.png) no-repeat center center;
}

.upList ul li:nth-child(5) {
    background:
        url(/cn/images/test/DS.png) no-repeat left top,
        url(/cn/images/test/up_bg.png) no-repeat center center;
}

.upList ul li:nth-child(6) {
    background:
        url(/cn/images/test/IR.png) no-repeat left top,
        url(/cn/images/test/up_bg.png) no-repeat center center;
}

.upList ul li:nth-of-type(3n+3) {
    margin-right: 0px;
}

.upList ul li div {
    width: 98px;
    height: 99px;
    background: rgba(124, 90, 198, 1);
    border-radius: 50%;
    margin: 0 auto;
    margin-top: 37px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upList ul li:nth-of-type(2n) div {
    background: #7D85DE;
}

.upList ul li a {
    display: block;
    margin: 0 auto;
    width: 169px;
    height: 57px;
    background: rgba(216, 218, 242, 0);
    border: 1px solid #7C5AC6;
    border-radius: 29px;
    color: #7C5AC6;
    font-size: 24px;
    font-family: Source Han Sans SC;
    font-weight: 500;
    line-height: 57px;
    text-align: center;
}

.upList ul li:nth-of-type(2n) a {
    border-color: #7D85DE;
    color: #7D85DE;
}

/* 申友助阵 */
.sectionThree {
    background: #F6F6F6;
}

.courseWrap {
    border-top: 1px solid transparent;
}

.courseWrap ul {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.courseWrap ul li {
    margin-right: 30px;
    margin-bottom: 30px;
    position: relative;
    font-size: 24px;
    font-family: Source Han Sans SC;
    font-weight: 500;
    color: rgba(56, 56, 56, 1);
    cursor: pointer;
}

.courseWrap ul li:nth-of-type(3n+3) {
    margin-right: 0px;
}

.courseBox {
    width: 367px;
    height: 197px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0px 10px 0px rgba(233, 233, 233, 1);
    border-radius: 3px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-top: 20px;
    padding-bottom: 20px;
    padding-right: 30px;
    box-sizing: border-box;
    transition: all 0.3s;
    cursor: pointer;
}

.courseBox:hover {
    margin-top: -20px;
}

.courseBox:nth-of-type(3n+3) {
    margin-right: 0px;
}

.courseImg {
    display: block;
    width: 106px;
    height: 115px;
    margin-right: 20px;
    overflow: hidden;
}

.courseImg img {
    width: 100%;
}

.courseDetail {
    width: calc(100% - 126px);
}

.courseTitle {
    font-size: 20px;
    font-family: Source Han Sans SC;
    font-weight: 500;
    color: rgba(56, 56, 56, 1);
    line-height: 24px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    min-height: 44px;
    margin-bottom: 10px;
}

.courseDetail p {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 16px;
    font-family: Source Han Sans SC;
    font-weight: 400;
    color: rgba(123, 123, 123, 1);
    line-height: 28px;
}

.courseDetail p img {
    margin-right: 10px;
}

.buyIt {
    width: 93px;
    height: 27px;
    background: rgba(255, 255, 255, 1);
    border: 1px solid rgba(124, 90, 198, 1);
    border-radius: 14px;
    text-align: center;
    line-height: 27px;
    font-size: 18px;
    font-family: Source Han Sans SC;
    font-weight: 400;
    color: rgba(124, 90, 198, 1);
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.buyIt img {
    margin-right: 5px;
}

.buyIt:hover {
    color: rgba(124, 90, 198, 1);
}