#app {
    height: auto;
    /* transform-origin: top left; */
    transform-origin: 0 0;
    width: 100%;
    overflow: hidden;
}

.page {
    background-image: url("../img/page-bg.png");
    background-repeat: no-repeat;
    background-size: cover;
}


.top-div {
    height: 1707px;
    position: relative;
}


.top-div .introduce {
    width: 717px;
    height: 235px;
    border: 6px solid var(--color-black);
    background: var(--color-yellow);
    color: var(--color-black);
    font-size: 44px;
    line-height: 60px;
    padding: 26px 35px;
    border-radius: 35px;

    position: absolute;
    bottom: 8px;
    left: 427px;
}

.top-div .start-btn {
    position: absolute;
    bottom: 355px;
    right: 420px;
    transition: all .1s;
}

.top-div .start-btn:hover {
    transform: scale(1.1);
}

.top-div .btns {
    width: 895px;
    height: 300px;
    position: absolute;
    bottom: 0;
    right: 0;
}

.top-div .btns a {
    display: inline-block;
    width: 101px;
    height: 101px;
    margin-right: 27px;
    transition: all .1s;
}

.top-div .btns a:hover {
    transform: scale(1.1) translateX(3px) translateY(3px);
}

.top-div .btns a img {
    width: 100%;
    height: 100%;
}


/* 02 */
#el-02 {
    height: 1020px;
    margin-top: 440px;

    display: flex;
    justify-content: space-between;

    /* background-color: red; */
}

#el-02 .left {
    position: relative;
    top: 220px;
    left: 432px;
    width: 848px;
}

#el-02 .left>.title {
    background: url('../img/title-02.png') no-repeat 100%;
    width: 848px;
    height: 210px;
    margin-bottom: 65px;
}

#el-02 .left .info-item {
    width: 100%;
    border: 4px solid var(--color-yellow);
    background-color: var(--color-black);
    color: var(--color-yellow);
    margin-top: 25px;
    border-radius: 20px;
}

#el-02 .left .info-item .info-item-label {
    font-size: 35px;
    margin: 26px 44px 0;
}

#el-02 .left .info-item .info-item-value {
    font-size: 88px;
    margin: -8px 44px 0;
    height: 120px;
}

#el-02 .right {
    width: 1128px;
    height: 1013px;
    position: relative;
    right: 347px;
}

#el-02 .right img {
    position: relative;
    left: 6px;
    top: 6px;
    width: 1128px;
    height: 1013px;
}






/* tab */
.card-div {
    background-color: var(--color-black);
    border-radius: 35px;
}

.card-div .card-div-top {
    display: flex;
    justify-content: space-between;
}

.card-div .card-div-top .label-tag {
    position: relative;
    left: -40px;
    top: 0;
    background-color: var(--color-active);
    color: var(--color-yellow);
    font-size: 60px;
    font-weight: 800;
    padding: 0 60px;
    letter-spacing: 5px;
    transform: skewY(-13deg);
    display: none;
}

.card-div .card-div-top .label-tag span {
    opacity: 0;
    transition: all .5s;
}

.card-div .card-div-top .label-tag span.active {
    opacity: 1;
}

.card-div .card-div-top .point-list {
    position: relative;
    right: 40px;
    top: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
}

.card-div .card-div-top .point-list p {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    background-color: var(--color-yellow);
}

.card-div .card-div-top .point-list .point-ann {
    position: absolute;
    top: 0;
    left: 23px;
    width: 50px;
    height: 50px;
    z-index: 1;
    transition: all .3s;
}

.card-div .card-div-top .point-list .point {
    margin-left: 28px;
    z-index: 2;
    cursor: pointer;
    transition: all .1s;
    background-color: var(--color-yellow);
}

.card-div .card-div-top .point-list .active {
    background-color: var(--color-active);
}

.card-div .content {
    color: var(--color-yellow);
    margin: 35px 44px 0;
    padding-bottom: 100px;
    font-size: 34px;
    line-height: 65px;
    display: none;
}

.card-div .content>div {
    opacity: 0;
    transition: all .5s;
}

.card-div .content>div.active {
    opacity: 1;
}




/* 03 */
#el-03 {
    height: 940px;
    margin-top: 290px;

    display: flex;
    justify-content: space-between;
}

#el-03 .left {
    width: 1374px;
    height: 920px;
    background: url('../img/el-03.png') no-repeat;
    background-size: 100%;
}

#el-03 .right {
    position: relative;
    top: -40px;
    right: 420px;
}

#el-03 .right>.title {
    background: url('../img/title-03.png') no-repeat 100%;
    background-size: 100%;
    width: 976px;
    height: 210px;
    margin-bottom: 0;
}

#el-03 .right .card-div {
    width: 985px;
    margin-top: 60px;
}



/* 04 */
#el-04 {
    height: 1100px;
    margin-top: 220px;
    overflow: hidden;
}

#el-04>.title {
    position: relative;
    top: 60px;
    left: 434px;
    background: url('../img/title-04.png') no-repeat 100%;
    width: 874px;
    height: 210px;
}

#el-04 .img-list {
    margin: 0 420px 0 380px;
    transform: skewY(-8.7deg);
    list-style: none;
    display: flex;
    /* transform: translateY( calc(100% + 115px) ); */
}

#el-04 .img-list li+li {
    margin-left: 110px;
}

#el-04 .img-list li img {
    width: 615px;
    transform: skewY(8.7deg);
}

#el-04 .img-list li p {
    transform: skewY(8.7deg);
    color: var(--color-yellow);
    line-height: 42px;
}

#el-04 .img-list li .label {
    font-size: 50px;
    font-weight: 600;
    margin-top: 50px;
    margin-bottom: 20px;
    letter-spacing: 5px;
    white-space: nowrap;
}

#el-04 .img-list li .info {
    font-size: 30px;
}



/* 05 */
#el-05 {
    height: 940px;
    margin-top: 130px;
    display: flex;
    justify-content: space-between;
}

#el-05 .left {
    width: 1374px;
    height: 920px;
    background: url('../img/el-05.png') no-repeat;
    background-size: 100%;
}

#el-05 .right {
    position: relative;
    top: -40px;
    right: 420px;
}

#el-05 .right>.title {
    background: url('../img/title-05.png') no-repeat 100%;
    width: 910px;
    height: 211px;
    margin-bottom: 0;
}

#el-05 .right .sub-title {
    background-color: var(--color-black);
    color: var(--color-yellow);
    font-size: 40px;
    text-align: center;
    border-radius: 55px;
    padding: 15px 30px;
    margin: 35px 0 25px;
}

#el-05 .right .card-div {
    width: 985px;
    margin-top: 80px;
}

#el-05 .right .card-div .content .content-title {
    font-size: 50px;
    margin-bottom: 25px;
    margin-top: 40px;
}




/* 06 */
#el-06 {
    height: auto;
    margin-top: 120px;
    display: flex;
    justify-content: space-between;
}

#el-06 .left {
    position: relative;
    top: 80px;
    left: 425px;
}

#el-06 .left>.title {
    background: url('../img/title-06.png') no-repeat 100%;
    width: 874px;
    height: 210px;
    margin-bottom: 35px;
}

#el-06 .left .info-div {
    background-color: var(--color-black);
    border: 4px solid var(--color-yellow);
    color: var(--color-yellow);
    border-radius: 40px;
    width: 855px;
    margin-top: 20px;
}

#el-06 .left .info-div>.title {
    margin: 10px 45px 0;
    font-size: 53px;
}

#el-06 .left .info-div>span {
    display: inline-block;
    margin: 10px 40px 20px;
    font-size: 43px;
    line-height: 60px;
}


#el-06 .right {
    width: 1128px;
    height: 1013px;
    position: relative;
    right: 347px;
}

#el-06 .right img {
    position: relative;
    left: 6px;
    top: 6px;
    width: 1128px;
    height: 1013px;
}




/* 07 */
#el-07 {
    height: auto;
    margin-top: 290px;
    display: flex;
    justify-content: space-between;
}

#el-07 .left {
    width: 1374px;
    height: 920px;
    background: url('../img/el-07.png') no-repeat;
    background-size: 100%;
}

#el-07 .right {
    position: relative;
    top: -40px;
    right: 420px;
}

#el-07 .right>.title {
    background: url('../img/title-07.png') no-repeat;
    background-size: 100%;
    width: 910px;
    height: 211px;
    margin-bottom: 0;
}

#el-07 .right .card-div {
    width: 985px;
    margin-top: 80px;
}

#el-07 .right>.card-div .card-div-top .label-tag {
    left: -35px;
    top: 15px;
    padding: 0 40px;
}

#el-07 .right .card-div .content .content-title {
    font-size: 50px;
    margin-bottom: 25px;
    margin-top: 40px;
}

/*  */
#footer {
    height: 435px;
    display: flex;
    justify-content: flex-end;
}

#footer>.content {
    width: 50%;
}

#footer>.content .btns>a {
    display: inline-block;
    position: relative;
    top: 0;
}

#footer>.content .btns>a:hover img:nth-child(1) {
    z-index: -1;
}

#footer>.content .btns>a:hover img:nth-child(2) {
    z-index: 2;
}

#footer>.content .btns>a+a {
    margin-left: 48px;
}

#footer>.content .btns a:nth-child(2n+1) {
    top: 18px;
    margin-top: 18px;
}

#footer>.content .btns img {
    position: relative;
    width: 100px;
    height: 100px;
    border: 3px solid var(--color-yellow);
    border-radius: 20px;
}

#footer>.content .btns img:nth-child(1) {
    animation: pendulum .5s ease-in-out running infinite;
    z-index: 2;
}

#footer>.content .btns img:nth-child(2) {
    animation: scale-up .5s ease-in-out running infinite;
    position: absolute;
    z-index: -1;
    left: 0;
    top: 0;
}

#footer>.content .info {
    color: var(--color-yellow);
    font-size: 44px;
    line-height: 65px;
    margin-top: 60px;
    width: 840px;
}

/*  */
#back-top {
    position: fixed;
    right: 80px;
    bottom: 50px;
    z-index: 9;

    width: 150px;
    height: 150px;
    background-color: var(--color-black);
    border: 10px solid var(--color-yellow);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.triangle {
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 70px solid var(--color-yellow);
}