/* .location_box {
    z-index: 99;
} */

.page_box {
    background: #F2F7FB;
}

.page_banner {
    height: 966px;
}

.develop_box {
    padding-bottom: 120px;
    padding-top: 30px;
    margin-bottom: -24px;
    position: relative;
}

.his_top {
    position: relative;
    margin-top: 80px;
}
.his_top .title-english {
    margin-bottom: 16px;
}
.his_top .about_text {
    padding-bottom: 30px;
}
.his_img {
    height:450px;
    border-radius: 24px;
    overflow: hidden;
}
.his_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.his_img>img {
    -webkit-transition: -webkit-transform 1.3s;
    transition: -webkit-transform 1.3s;
    -o-transition: transform 1.3s;
    transition: transform 1.3s;
    transition: transform 1.3s, -webkit-transform 1.3s;
    -webkit-transition: transform 1.3s;
}

.his_img>img:hover {
    -webkit-transform: scale(1.03);
    -ms-transform: scale(1.03);
    transform: scale(1.03);
}

/* 移动设备 */
@media screen and (max-width: 767px) {
    .page_banner {
        height: 80vh;
    }
}

/* 平板设备 */
@media screen and (min-width: 768px) and (max-width: 819px) {
    .page_banner {
        height: 766px;
    }
}

@media screen and (min-width: 820px) and (max-width: 1023px) {
    .page_banner {
        height: 766px;
    }
}


/* 小型桌面设备 */
@media screen and (min-width: 1024px) and (max-width: 1439px) {
    .page_banner {
        height: 866px;
    }
}

/* 大型桌面设备 */
@media screen and (min-width: 1440px) {
    .page_banner {
        height: 966px;
    }
}

.page_banner .image {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: -1;
}

.page_banner .image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    z-index: -1;
    object-position: 0 65%;
}

.banner-image {
    position: absolute;
    left: 1rem;
    right: 1rem;
    height: 28rem;
    border-radius: 30px;
    overflow: hidden;
}

/* 平板设备 */
@media screen and (min-width: 768px) {
    .banner-image {
        left: 5rem;
        right: 5rem;
    }

/* Banner 滚动状态的样式 */
.banner-scrolled .banner-image-mask-bg {
    display: block;
}

.banner-scrolled .banner-image-mask {
    height: 100%;
    width: 100%;
    right: 0;
}

.banner-scrolled .banner-image {
    position: absolute;
    left: 0;
    right: 0;
    height: 100%;
    z-index: 1;
    border-radius: 0;
}

.banner-scrolled .banner-image img {
    object-position: 0 75%;
}

.banner-scrolled .banner-text {
    transform: translateY(100px);
    z-index: 2;
    position: absolute;
}

.banner-scrolled .banner-text .tt {
    color: var(--white-color);
}

}

/* 小型桌面设备 */
@media screen and (min-width: 1024px) {
    .banner-image {
        left: 8rem;
        right: 8rem;
    }
}

/* 大型桌面设备 */
@media screen and (min-width: 1440px) {
    .banner-image {
        left: 13.5rem;
        right: 13.5rem;
    }
}


/* Banner 初始状态的样式 */
.banner-default .banner-image-mask-bg {
    display: none;
}

.banner-default .banner-image-mask {
    bottom: 0;
    height: 0;
    width: 0;
}

.banner-default .banner-image {
    position: absolute;
    left: 13rem;
    right: 13rem;
    height: 28rem;
    z-index: 1;
    border-radius: 30px;
}

.banner-default .banner-image img {
    object-position: 0 79.5%;
}

.banner-default .banner-text {
    transform: translateY(0);
    z-index: 2;
    position: relative;
}

.banner-default .banner-text .title-english {
    color: var(--main-color);
    margin-bottom: 16px;
    overflow: hidden;
}

.banner-default .banner-text .title-text {
    color:var(--dark-color);
    overflow: hidden;
}


.banner-image-main {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 0 79.5%;
}

.banner-image-mask {
    position: absolute;
    bottom: 0;
}

.banner-image-mask-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}

.banner-text {
    margin-top: 17rem;
}

.title-english {
    color: var(--main-color);
    font-family: "Rubik bold"
}

.title-text {
    color: var(--dark-color);
    font-style: normal;
    font-weight: 700;
}

/* 移动设备 */


.banner-text,
.banner-text .tt {
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.banner-image-mask,
.banner-image{
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-container {
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
}

.scroll_down {
    position: absolute;
    left: 0;
    bottom: 20px;
    width: 100%;
    text-align: center;
    z-index: 9;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0%);
    }

    50% {
        transform: translateY(-20%);
    }
}

.scroll_down img {
    width: 24px;
}


.container {
    position: relative;
    width: 100vw;
    padding: 0 !important;
}

.year-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

}

.year-box .cell-box {
    height: 100vh;
    position: sticky;
    top: 200px;


}

.year-box .cell-box .cell-box-san {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 590px;
}

.year-box .cell-box .cell-box-yun {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 710px;
}

.year-box span {
    margin-top: 12rem;
    display: block;
    color: var(--white-color);
    text-align: center;
    font-family: 'Rubik bold';
    font-size: 38rem;
    font-style: normal;
    font-weight: 500;
    position: relative;
    z-index: 9;
}

.develop-line {
    position: absolute;
    top: 360px;
    left: 50%;
    margin-left: -4px;
    width: 8px;
    height: 100%;
    background: url(../images/develop-line.png) center top repeat-y;
    z-index: 1;
    overflow: hidden;


}

.develop-line span {
    width: 100%;
    background-color: var(--main-color);
    position: absolute;
    top: 100px;
    left: 0;
}

.develop-icon {
    width: 316px;
    height: 316px;
    margin: 0 auto;
    position: relative;
    border-radius: 50%;
    z-index: 2;
    fill: rgba(242, 247, 251, 0.80);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px dashed #ABB2B8;

}

.develop-icon .develop-icon-bg {
    background: var(--main-color);
    width: 200px;
    height: 200px;
    border-radius: 50%;
}

.develop-icon .develop-icon-img {
    width: 100%;
    height: 100%;
}

.develop-items {
    padding: 5rem 0;
    position: relative;
    z-index: 2;
}

.develop-item {
    width: 50%;
    padding-bottom: 60px;
}


.develop-item .red {
    color: var(--main-color);
}

.develop-item .year {
    position: relative;
    display: block;
    color: var(--dark-color);
    transition: color .3s ease;
    font-family: 'Rubik bold';
    font-size: 46px;
    font-style: normal;
    font-weight: 500;


}

.develop-item .year:before {
    content: '';
    width: 26px;
    height: 26px;
    box-sizing: border-box;
    border-radius: 50%;
    background-color: var(--white-color);
    border: 2px solid var(--main-color);
    position: absolute;
    top: 50%;
}


.develop-item .active:before {
    content: '';
    width: 26px;
    height: 26px;
    box-sizing: border-box;
    border-radius: 50%;
    background-color: var(--white-color);
    border: 4px solid var(--main-color);
    position: absolute;
    top: 50%;
}

.develop-item .para {
    line-height: 1.6;
    margin-top: 16px;
    position: relative;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;

}

.develop-item .img-box {
    display: inline-block;
    width: 30rem;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 2.5rem;

}

.develop-item .img-box img {
    display: block;
    width: 100%;
}

.develop-item:nth-of-type(1) {
    margin-top: 0;
}

.develop-item .active span {
    color: var(--main-color);
}


@media screen and (min-width: 768px) {
    .banner-scrolled .banner-image {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 100%;
        z-index: 1;
        border-radius: 0;
    }
    
    .banner-scrolled .banner-image-mask-bg {
        display: block;
    }
    
    .banner-scrolled .banner-image-mask {
        bottom: 0;
        height: 100%;
        width: 100%;
        right: 0;
    }
    
    .banner-scrolled .banner-image img {
        object-position: 0 75%;
    }
    
    .banner-scrolled .banner-text {
        z-index: 2;
        position: absolute;
        width: 100%;
        margin-top: 25%;
    }
    
    .banner-scrolled .banner-text .tt {
        color: var(--white-color);
    }
    .develop-item:nth-of-type(odd) {
        padding-right: 77px;
        text-align: right;
    }

    .develop-item:nth-of-type(odd) span:before {
        right: -77px;
        transform: translate(50%, -50%);
    }

    .develop-item:nth-of-type(odd) .para {
        padding-right: 24px;
    }

    .develop-item:nth-of-type(odd) .para:before {
        content: '';
        width: 5px;
        height: 5px;
        border-radius: 50%;
        position: absolute;
        background-color: var(--main-color);
        top: 13px;
        right: 0;
    }

    .develop-item:nth-of-type(even) {
        margin-left: 50%;
        padding-left: 77px;
        text-align: left;
    }

    .develop-item:nth-of-type(even) span:before {
        left: -77px;
        transform: translate(-50%, -50%);
    }

    .develop-item:nth-of-type(even) .para {
        padding-left: 24px;
    }

    .develop-item:nth-of-type(even) .para:before {
        content: '';
        width: 5px;
        height: 5px;
        border-radius: 50%;
        position: absolute;
        background-color: var(--main-color);
        top: 13px;
        left: 0;
    }

}


/* 默认状态的媒体查询 */
@media screen and (max-width: 1680px) {

.banner-default .banner-image {
    left: 11rem;
    right: 11rem;
}

}
@media screen and (max-width: 1580px) {
    .year-box span {
        font-size: 30rem;
    }
    .banner-default .banner-image {
        left: 8rem;
        right:8rem;
    }
}

@media screen and (max-width: 1439px) {
    .banner-default .banner-image {
        left: 6rem;
        right: 6rem;
        top: 28rem;
    }
    .banner-scrolled .banner-text {
        transform: translateY(40px);
    }
    .year-box .cell-box {
        top: 400px;
    }

    .year-box .cell-box .cell-box-san {
        bottom: 60%;
        height: 290px;
    }

    .year-box .cell-box .cell-box-yun {
        bottom: 60%;
        height: 310px;
    }

    .year-box span {
        font-size: 20rem;
        margin-top: 16rem;
    }
}

@media screen and (max-width: 1279px) {
    .banner-default .banner-image {
        left: 3rem;
        right: 3rem;
        top: 24rem;
    }
    .banner-scrolled .banner-text {
        margin-top: 24rem;
        transform: translateY(40px);
    }

    .year-box .cell-box {
        top: 400px;
    }

    .year-box .cell-box .cell-box-san {
        bottom: 60%;
        height: 290px;
    }

    .year-box .cell-box .cell-box-yun {
        bottom: 60%;
        height: 310px;
    }

    .year-box span {
        font-size: 16rem;
        margin-top: 16rem;
    }

    .develop-item .year {
        font-size: 40px;
    }
    
}

@media screen and (max-width: 991px) {

    .banner-default .banner-image {
        left: 2rem;
        right: 2rem;
    }
}

@media screen and (max-width: 767px) {
    

    .develop_box {
        padding-top: 0;
        padding-bottom: 50px;
        overflow: hidden;
    }
    .page_banner {
        padding-top: 100px;
        height: auto;
    }
    .banner-container {
        position: relative;
        height: auto;
      
    }
    .banner-scrolled .banner-text {
        transform: translateY(40px);
        transform: inherit !important;
        position: relative;
        margin-top: 0;
    }
    .banner-image {
        padding-left: 16px;
        padding-right: 16px;
    }
    .banner-default .banner-image {
        position: relative;
        height: auto;
        left: inherit;
        right: inherit;
        top: inherit;
        margin-top: 25px;
    }
    .banner-scrolled .banner-image {
        position: relative;
        margin-top: 25px;
        height: auto;
        left: inherit;
        right: inherit;
    }
    .banner-image  img{
        border-radius: 16px;
        overflow: hidden;
    }
    .banner-image-main {
        object-position:inherit;
    }
    .scroll_down img {
        width: 20px;
    }
    .banner-text {
        margin-top: 7rem;
        padding: 0 1rem 3rem;
        margin-top: 0;
        padding: 0;
    }

    .develop-icon {
        width: 156px;
        height: 156px;
        margin: inherit;
        float: left;
        display: none;
    }

    .develop-icon .develop-icon-bg {
        width: 120px;
        height: 120px;
    }
    .develop-items {
        padding: 50px 0;
        padding-left:30px;
        width: 100%;
    }
    .develop-item .year:before {
        display: none;
    }
    .cell-box .cell {
        display: none;
    }
    .develop-line {
        top: -40px;
        left: 20px;
        margin-left: -4px;
        width: 4px;
    }
    .develop-item {
        width: 100%;
        padding-bottom: 30px;
    }
    .develop-item .year {
        padding-left: 0;
        font-size: 30px;
    }
    .develop-item .para {
        padding-left: 15px;
    }
    .develop-item .para::before {
        content: '';
        width: 5px;
        height: 5px;
        border-radius: 50%;
        position: absolute;
        background-color: var(--main-color);
        top: 12px;
        left: 0;
    }
    .year-box .cell-box {
        top: 300px;
    }

    .year-box .cell-box .cell-box-san {
        bottom: 70%;
        height: 290px;
    }

    .year-box .cell-box .cell-box-yun {
        bottom: 70%;
        height: 310px;
    }

    .year-box span {
        font-size: 5rem;
    }
    .his_top {
        margin-top: 50px;
    }
    .his_img {
        height:200px;
        border-radius: 16px;
    }
}