/* CSS Document */
@charset "UTF-8";

.bannerbox {
    height:50.05rem;
    width: 100%;
    min-width: 900px;
    overflow: hidden;
    position: relative;
}

.bannerbox .containt-div {
    width: 100%;
    position: relative;
    height:50.05rem;
}

.bannerbox ul {
    position: relative;
    margin-top: 0;
    width: 100%;
}

.bannerbox ul li {
    list-style: none;
    width: 100%;
    height:50.05rem;
    position: absolute;
    left: 0;
    top: 0;
}

.bannerbox ul li.fst-li {
    background: url("../img/1.png") center no-repeat;
    background-size: cover;
    display: none;
}

.bannerbox ul li.sec-li {
    background: url("../img/2.jpg") center no-repeat;
    background-size: cover;
    display: none;
}

.bannerbox ul li.third-li {
    background: url("../img/3.png") center no-repeat;
    background-size: cover;
    display: none;
}

.bannerbox ul li .img1 {
    position: absolute;
}

/*banner-01*/
.fst-li,.sec-li,.third-li {
    text-align: center;
}
.fst-li span,
.sec-li span,
.third-li span{
    font-family: SourceHanSansCN-Medium;
    font-size: 55px;
    font-weight: bold;
    font-stretch: normal;
    /* line-height: 79px; */
    letter-spacing: 2px;
    color: #ffffff;

}

.third-li span {
    margin-left: 220px;
}
/* .sec-li .containt-div{
    display: flex;
    align-items: flex-start;
    max-width: 1500px;
    margin: 0 auto;
    flex-direction: column;
    align-items: flex-start;
} */
.sec-li .containt-div span{
    text-align: left;
}
.fst-li .containt-div p:first-of-type,
.sec-li .containt-div span:first-of-type,
.third-li .containt-div span:first-of-type{
    margin-bottom: 2rem;
}
.fst-li .containt-div{
    width: 100%;
    /* margin-left: -100%; */
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    /* tranrgb(8, 4, 4): scale(.1); */
}
.fst-li .containt-div span{
    animation: landIn 0.8s ease-out both;
}

@keyframes landIn {
    from {
        opacity: 0;
        transform: translateY(-20%);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.sec-li .containt-div{
    width: 100%;
    transition: all 1.5s;
    display: flex;
    flex-direction: column;
    height: 0;
    justify-content: center;
    align-items: flex-start;
    transform: scale(.1);
    transform: rotate(-90deg) scale(0.1);
    max-width: 1500px;
    margin: 0 auto;
}
.sec-li .containt-div.active{
    height: 100%;
    transition: all 2s;
    transform: rotate(0) scale(1.0);
}
.third-li .containt-div{
    width: 100%;
    transition: all 1s;
    display: flex;
    flex-direction: column;
    width:100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    margin-left: 100%;
    overflow: hidden;
}
.third-li .containt-div.active{
    margin-left: 0;
    transition: all 1.5s;
}


.bannerbox  .nav {
    position: absolute;
    bottom: 7.5rem;
    right: 9.79rem;
    z-index: 2;
    margin-left: 1.5rem;
}

.bannerbox  .nav dl dd {
    list-style-type: none;
    width: 3.23rem;
    height: 3.23rem;
    float: left;
    margin-right: 1.46rem;
    cursor: pointer;
}