.abox2 {
    /*padding-top: 0.5rem;*/
    padding-top: 2.5rem;
    background-size: cover;
    min-height: 100vh;
}
.abox2 .desc {
    margin-top: 0.5rem;
}
.abox2 .desc span {
    color: var(--color-primary);
}
.abox2-building {
    position: relative;
    width: 100%;
    height: 10.8rem;
    background: url(../images/en_a_1.png) no-repeat center center;
    background-size: cover;
}
.abox2-building .number-box {
    position: absolute;
    top: 16%;
    right: 6.778%;
    width: 40%;
    display: flex;
    justify-content: space-between;
    padding: 0 0.2rem;
}
.abox2-building .number-box .left,
.abox2-building .number-box .right {
    width: 44%;
}
.abox2-building .number-box .left .item,
.abox2-building .number-box .right .item {
    position: relative;
    display: flex;
    align-items: flex-start;
    /*justify-content: center;*/
    justify-content: flex-start;
    padding: 0.2rem 0;
}
.abox2-building .number-box .left .item::after,
.abox2-building .number-box .right .item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}
.abox2-building .number-box .left .item:last-child::after,
.abox2-building .number-box .right .item:last-child::after {
    display: none;
}
.abox2-building .number-box .left .item .icon,  
.abox2-building .number-box .right .item .icon {
    position: relative;
    top: 0.08rem;
    width: 0.48rem;
    height: 0.48rem;
    margin-right: 0.15rem;
}
.abox2-building .number-box .left .item .tit,
.abox2-building .number-box .right .item .tit {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: #ffffff;
}
.abox2-building .number-box .left .item .tit .tip, .abox2-building .number-box .right .item .tit .tip {
        color: #ffffff;
}
.abox3 {
    position: relative;
    width: 100%;
    height: 700px;
}
.abox3 .video-mask-box {
    position: relative;
    width: 100%;
    height: 100%;
    background: white;
}
.abox3 .video-img-layer,
.abox3 .video-text-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.abox3 .video-img-layer video,
.abox3 .video-text-layer video {
    width: 90%;
    height: 100%;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}
.video-text-layer-logo {
    position: absolute;
    top: .5rem;
    width: 5.22rem;
    left: 50%;
    transform: translateX(-50%);
    mix-blend-mode: screen;
    z-index: 4;
}
.video-text-layer-board {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ffffff;
    z-index: 3;
}
.abox3 .full-video-layer {
    position: absolute;
    inset: 0;
    z-index: 2;
    opacity: 0;
    clip-path: polygon(35% 0%, 65% 0%, 65% 100%, 35% 100%);
    pointer-events: none;
}

.abox3 .full-video-layer video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.abox3 .video-img-layer {
    -webkit-mask-size: 600px auto;
    mask-size: 600px auto;
    -webkit-mask-position: center center;
    mask-position: center center;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
}
.abox3 .video-text-layer {
    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
    -webkit-mask-position: center center;
    mask-position: center center;
}
.abox3 .down-box {
    position: absolute;
    bottom: 40%;
    left: 50%;
    transform: translateX(-50%);
}
.abox3 .down-box .down {
    position: relative;
    display: flex;
    justify-content: center;
    margin: 1rem auto .25rem;
}
.abox3 .down-box .down .circle {
    width: 0.48rem;
    height: 0.48rem;
    border: 1px solid #333;
    border-radius: 50%;
}
.abox3 .down-box .down .arrow {
    position: absolute;
    bottom: 0;
    right: 50%;
    transform: translateX(50%);
    width: 0.1rem;
    height: 0.4rem;
    background: url(../images/icon/en_icon_4.png) no-repeat center center;
    background-size: contain;
    animation: arrowBounce 1.5s ease-in-out infinite;
}
@keyframes arrowBounce {
    0%, 100% {
        transform: translateX(50%) translateY(0);
    }
    50% {
        transform: translateX(50%) translateY(0.2rem);
    }
}
.abox3 .down-box .tit {
    color: var(--color-primary);
}
.abox4 {
    margin: 0.5rem 0;
}
.abox4 .extends-box {
    display: flex;
    flex-wrap: nowrap;
    margin-top: 0.5rem;
    column-gap: 1px;
} 
.abox4 .extends-box .item {
    width: 3.25rem;
    height: 6.4rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 0.4rem;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    cursor: pointer;
}
.abox4 .extends-box .item:first-child {
    border-top-left-radius: 0.16rem;
    overflow: hidden;
}
.abox4 .extends-box .item:last-child {
    border-top-right-radius: 0.16rem;
    overflow: hidden;
}
.abox4 .extends-box .item .pic {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 1rem;
    height: 1rem;
}
.abox4 .extends-box .item .pic img {
    width: 0.6rem;
}
.abox4 .extends-box .item p {
    display: none;
}
.abox4 .extends-box .act {
    width: 7rem;
}
.abox4 .extends-box .act .txt p {
    display: block;
}
.abox5 {
    margin-bottom: 0.5rem;
}
.abox5 .dev-box {
    width: 100%;
    height: 8.24rem;
    background: url(../images/en_a_3.png) no-repeat center center;
    background-size: cover;
    padding-top: 1.5rem;
}
.abox5 .swiper-abox5 {
    cursor: pointer;
    overflow: visible;
    /*overflow: hidden;*/
}
.abox5 .swiper-abox5 .swiper-slide {
    position: relative;
    width: 3.84rem;
    /*height: 2.6rem;*/
    height: 3rem;
}
.abox5 .swiper-abox5 .swiper-slide .default {
    position: relative;
    display: flex;
    height: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}
.abox5 .swiper-abox5 .swiper-slide:nth-child(odd) .default {
    flex-direction: column-reverse;
}
.abox5 .swiper-abox5 .swiper-slide .default .date {
    line-height: 1;
}
.abox5 .swiper-abox5 .swiper-slide .default .line {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 1px;
    background: #9A9A9A80;
}
.abox5 .swiper-abox5 .swiper-slide .default .line .circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.2rem;
    height: 0.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fff;
    border-radius: 50%;
}
.abox5 .swiper-abox5 .swiper-slide .default .line .circle .circle-inner {
    width: 0.1rem;
    height: 0.1rem;
    background: #8D8D8D;
    border-radius: 50%;
}
.abox5 .swiper-abox5 .swiper-slide .act {
    position: absolute;
    top: -20%;
    left: -100%;
    /*width: 4.5rem;*/
    width: 4rem;
    height: 3.94rem;
    padding: 0.2rem;
    background: #FFFFFF;
    box-shadow: 0px 20px 40px 0px #0000000F;
    border-radius: 0.2rem;
    z-index: 1;
    display: none;
}
.abox5 .swiper-abox5 .swiper-slide .act .pic {
    width:100%;
    border-radius: 0.16rem;
    overflow: hidden;
}
.abox5 .swiper-abox5 .swiper-slide .act .tit {
    margin-top: 0.1rem;
    color: #5F6368;
}
.abox5 .swiper-abox5 .swiper-slide.swiper-slide-active .act {
    display: block;
}
.abox5 .swiper-abox5 .swiper-slide.swiper-slide-active .default .date {
    transform: scale(1.2);
    background: linear-gradient(94.44deg, #00A29A 0%, #007BBB 100%);
    -webkit-background-clip: text; /* 让背景只显示在文字上 */
    -webkit-text-fill-color: transparent; /* 让文字本身透明 */
}
.abox5 .swiper-abox5 .swiper-slide.swiper-slide-active .default .txt {
    color: var(--color-primary);
    padding-left: .2rem;
    padding-right: .2rem;
}
.abox5 .swiper-abox5 .swiper-slide.swiper-slide-active .default .line .circle .circle-inner {
    background: var(--color-primary);
}

.abox5 .swiper-abox5 .swiper-btns {
    display: flex;
    column-gap: 0.26rem;
    justify-content: center;
    margin-top: 0.5rem;
}
.abox5 .swiper-abox5 .swiper-btns .swiper-btn {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    border: 1px solid var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.abox5 .swiper-abox5 .swiper-btns .swiper-btn img {
    width: 0.08rem;
}
.abox5 .swiper-abox5 .swiper-btns .swiper-btn:hover {
    background: var(--color-primary);
}
.abox5 .swiper-abox5 .swiper-btns .swiper-btn:hover img {
    filter: var(--imgwhite);
}
.abox5 .swiper-abox5 .swiper-btns .next img {
    transform: rotate(180deg);
}
.abox6 {
    padding: 0.5rem 0;
    background: #fafafa;   
}
.abox6 .extends-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 0.9rem;
}
.abox6 .extends-box .swiper-pics {
    width: 49%;
    height: 6.56rem;
    border-radius: 0.2rem;
    overflow: hidden;
    margin: 0;
}
.abox6 .extends-box .swiper-pics .swiper-slide {
    width: 100%;
    height: 100%;
}
.abox6 .extends-box .extends-items {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    row-gap: .2rem;
    width: 49%;
}
.abox6 .extends-box .extends-items .item {
    width: 100%;
    padding: 0.2rem 0.4rem;
    background: #fff;
    border-radius: 0.2rem;
    overflow: hidden;
    cursor: pointer;
    transition: background 0.3s ease;
}
.abox6 .extends-box .extends-items .item .tit {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.abox6 .extends-box .extends-items .item .tit .icon {
    width: 0.4rem;
    height: 0.4rem;
    margin-right: 0.24rem;
    transition: filter 0.3s ease;
}
.abox6 .extends-box .extends-items .item .tit .t {
    flex: 1;
    transition: color 0.3s ease;
}
.abox6 .extends-box .extends-items .item .tit .ext {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 0.38rem;
    height: 0.38rem;
    border-radius: 50%;
    border: 1px solid #EEEEEE;
    transition: border-color 0.3s ease;
}
.abox6 .extends-box .extends-items .item .tit .ext .arrow {
    width: 0.15rem;
    height: auto;
    transform: rotate(-90deg);
    transition: transform 0.3s ease, filter 0.3s ease;
}
.abox6 .extends-box .extends-items .item .con {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin-top: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
}
.abox6 .extends-box .extends-items .item .con .dian {
    position: relative;
    top: 2px;
    display: inline-block;
    flex-shrink: 0;
    width: 0.12rem;
    height: 0.12rem;
    background: #fff;
    border-radius: 50%;
    margin-right: 0.16rem;
}
.abox6 .extends-box .extends-items .item .con .txt {
    color: #fff;
    line-height: 1.2;
}
.abox6 .extends-box .extends-items .item.act {
    background: url(../images/en_ab_2.png) no-repeat center center;
    background-size: cover;
}
.abox6 .extends-box .extends-items .item.act .tit .icon {
    filter: var(--imgwhite);
}
.abox6 .extends-box .extends-items .item.act .tit .t {
    color: #fff;
}
.abox6 .extends-box .extends-items .item.act .tit .ext {
    border-color: #fff;
}
.abox6 .extends-box .extends-items .item.act .tit .ext .arrow {
    filter: var(--imgwhite);
    transform: rotate(-180deg);
}
.abox6 .extends-box .extends-items .item.act .con {
    max-height: 10rem;
    opacity: 1;
    margin-top: 0.16rem;
}
@media screen and (max-width: 1440px) {
    .abox2-building {
        height: 12.8rem;
    }
}