@charset "utf-8";

.about_top {
    position: relative;
    width: 100%;
    height: calc(100vh - 92px);
    z-index: 1;
}

.about_top::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    opacity: 0.5;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.50) 0%, #000 100%);
}

.about_top .bg {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    opacity: 1 !important;
    overflow: hidden;
    z-index: -1;
}



.about_top .bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

 .bg.aos-animate img {
    animation: pulse 1.6s alternate ease-in-out;
}

.about_top_cotent {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 9;
}

.about_top_cotent>.container {
    height: 100%;
}

.about_top_cotent .about_n_top {
    padding-top: 12%;
    display: flex;
    overflow: hidden;
}

.about_n_top .left {
    max-width: 728px;
}

.about_top_cotent .about_n_top h2 {
    position: relative;
    font-weight: 400;
    color: #FFF;
    line-height: 1.5;
}

.about_top_cotent .about_n_top h2 strong {
    display: block;
    font-weight: 700;
}

.about_n_top .text {
    margin-top: 48px;
    color: #FFF;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

.about_top_cotent .about_n_top h2::before {
    content: "";
    position: absolute;
    left: calc(100% + 50px);
    top: 80%;
    height: 2px;
    width: 0;
    background-color: var(--white-color);
    opacity: 0.3;
    transition: width 3.8s;
}

.about_top_cotent .about_n_top .aos-animate h2::before {
    width: calc(100% - 50px);
}

.about_n_bottom {
    position: absolute;
    right: 0;

    bottom: 90px;
    width: 100%;
    z-index: 8;
}

.about_n_bottom>.container {
    display: flex;
    justify-content: flex-end;
}

.about_n_bottom .about_right {
    width: 376px;

}

.about_right ul {
    margin-left: -16px;
    margin-right: -16px;
}

.about_right ul li {
    width: 50%;
    padding: 16px;
    float: left;
}

.about_right ul li:nth-last-child(2),
.about_right ul li:nth-last-child(1) {
    padding-bottom: 0;
}

.about_right .info-detail {
    text-align: right;
}

.about_right .info_number span {
    color: var(--white-color);
    font-family: 'Archivo';
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
}

.about_right .info_number em {
    margin-left: 4px;
    color: var(--white-color);
    ;
    font-size: 16px;
    font-weight: 400;
    line-height: 26px;
    font-style: normal;
}

.about_right .info-detail p {
    padding-top: 5px;
    color: var(--white-color);
    font-size: 16px;
    font-weight: 400;
    line-height: 26px;
}

@media screen and (max-height:820px) {
    .about_n_bottom {
        bottom: 50px;
    }

}

@media screen and (max-height:780px) {

    .about_right ul li {
        padding-bottom: 10px;
        padding-top: 10px;
    }


}
@media screen and (max-width:1440px) {

.about_right .info_number span {
    font-size: 40px;
}

}
@media screen and (max-width:1366px) {
    .about_n_top .left {
        width: 55%;
    }
    .about_right .info_number span {
        font-size: 36px;
    }
}
@media screen and (max-width:1280px) {
 
    .about_right .info_number span {
        font-size: 32px;
    }
}

@media screen and (max-width:991px) {
    .about_top {
        height: auto;
    }

    .about_top_cotent {
        padding-top: 50px;
        padding-bottom: 80px;
    }
    .about_n_top .left {
        width: 64%;
    }
    .about_n_bottom {
        position: relative;
        bottom: inherit;
        padding-top: 30px;
    }
}

@media screen and (max-width:767px) {
    .about_top_cotent {
        padding-top: 120px;
    }
    .about_top_cotent .about_n_top {
        padding-top:60px;
    }
    .about_n_top .left {
        width: 100%;
    }
    .about_top_cotent .about_n_top h2::before {
        display: none;
    }
    .about_n_bottom>.container {
        display: flex;
        justify-content: flex-start;
        padding-left: 0;
        padding-right: 0;
    }
    .about_right ul {
        display: flex;
        align-items: stretch;
        flex-wrap: wrap;
        margin-left: -5px;
        margin-right: -5px;
    }
    .about_right ul li {
        padding: 10px 5px;
    }
    .about_right .info-detail {
        text-align: left;
    }
    .about_right .info-detail p {
        font-size: 14px;
    }
}

.about_two {
    padding-top: 55px;
    overflow: hidden;
}

.about_title {
    color: var(--dark-color);

    font-weight: 700;
    line-height: 1.5;
}

.about_two_bottom {
    padding-top: 24px;
    margin-left: -40px;
    margin-right: -40px;
}

.about_two_bottom .ul {
    padding: 0 40px;
    width: 50%;
}

.about_two_bottom .ul p {
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

.about_video {
    margin-top: 30px;
    position: relative;
}

.about_video .about_video_play {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    cursor: pointer;
}

.about_video .about_video_play i {
    width: 120px;
    height: 120px;
    display: inline-block;
    background-image: url(../images/play_button.svg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    animation: pulse 1s alternate ease-in-out infinite;
}

.about_video .about_video_play p {
    margin-top: 16px;
    color: var(--white-color);
    text-align: center;

    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

@keyframes pulsebig {
    from {
        transform: scale(0.5);
    }

    to {
        transform: scale(1);
    }
}


@media (max-width:1279px) {
    .about_video .about_video_play i {
        width: 100px;
        height: 100px;
    }

}

@media (max-width:991px) {
    .about_two_bottom {
        flex-wrap: wrap;
    }
    .about_two_bottom .ul {
        width: 100%;
        padding-bottom: 30px;
    }
}
@media (max-width:767px) {

.about_video .about_video_play i {
    width: 40px;
    height: 40px;
}
.about_video .about_video_play p {
    margin-top: 8px;
}

}


/* three */
.about_three {
    padding-top: 85px;
}

.about_three .about_three_text {
    padding-top: 24px;
    max-width: 708px;
}

.about_three_text p {
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

.culture_hover {
    width: 100%;
    padding-top: 40px;
    overflow: hidden;
}

.culture_hover .grid-box {
    width: 100%;
    height: 550px;
    margin-left: -12px;
    margin-right: -12px;
    overflow: hidden;
}

.culture_hover .grid-box .box {
    width: 156px;
    margin-left: 12px;
    margin-right: 12px;
    float: left;
    height: 100%;
   
    position: relative;
    background: #F3F5F7;
    overflow: hidden;
    -webkit-transition: all 0.8s ease;
    -o-transition: all 0.8s ease;
    -moz-transition: all 0.8s ease;
    transition: all 0.8s ease;
}

.culture_hover .grid-box .box::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.50);
    transition: all 0.8s ease;
    z-index: 9;
}

.culture_hover .grid-box .s_title {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    z-index: 9;
}

.culture_hover .grid-box .s_title span {
    color: var(--white-color);
    font-size: 18px;
    font-weight: 700;
    line-height: 24px;
}

.culture_hover .grid-box .s_icon {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9;
}

.culture_hover .grid-box .inbox {
    position: relative;
    height: 100%;
    opacity: 0;
    min-width: 560px;
    padding: 32px;
    display: flex;
    flex-flow: column;
    justify-content: flex-end;
    /* z-index: 1; */
}

.culture_hover .grid-box .inbox .icon {
    position: absolute;
    right: 56px;
    bottom: 40px;
    z-index: 9;
}

.culture_hover .grid-box .box.act::before {
    opacity: 0;
}

.culture_hover .grid-box .act .s_title {
    opacity: 0;
}

.culture_hover .grid-box .act .s_icon {
    opacity: 0;
}

.culture_hover .grid-box .act {
    width: calc(100% - 564px);
}

.culture_hover .grid-box .box .bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    /* z-index: -1; */
}

.culture_hover .grid-box .act .inbox::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(219deg, rgba(0, 0, 0, 0.00) 20.64%, #000 100%);
    /* z-index: 2; */
}

.culture_hover .grid-box .text {
    opacity: 0;
}

.culture_hover .grid-box .act .inbox {

    opacity: 1;
}

.culture_hover .grid-box .act .title {
    position: relative;
    color: var(--white-color);
    font-size: 24px;
    font-weight: 700;
    /* z-index: 9; */
}

.culture_hover .grid-box .act .text {
    position: relative;
    padding-top: 16px;
    color: var(--white-color);
    font-size: 16px;
    font-weight: 400;
    opacity: 1;
    /* z-index: 9; */
}

.culture_hover .grid-box .title {
    transform: translateY(40px);
    opacity: 0;
    transition: transform .4s;
    transition-delay: .1s ease-in-out;
}

.culture_hover .grid-box .text {
    line-height: 1.5;
    transform: translateY(50px);
    opacity: 0;
    transition: transform .4s;
    transition-delay: .3s ease-in-out;
}

.culture_hover .grid-box .act .title,
.culture_hover .grid-box .act .text {
    transform: translateY(0);
    opacity: 1;
}

@media (max-width:1279px) {

    .culture_hover .grid-box .inbox {
        min-width: 360px;
    }

}
@media (max-width:991px) {
   
    .culture_hover .grid-box {
        margin-left: -6px;
        margin-right: -6px;
    }
    .culture_hover .grid-box .box {
        width: 120px;
        margin-left: 6px;
        margin-right: 6px;
    }

    .culture_hover .grid-box .act {
        width: calc(100% - 408px);
    }

    .culture_hover .grid-box .inbox {
        min-width: 312px;
    }
   

}
@media (max-width:767px) {
    .about_three {
        padding-top: 55px;
    }
    .culture_hover .grid-box {
        height: auto;
    }
    
    .culture_hover .grid-box .box {
        width: 100%;
      height: 280px;
        margin-bottom: 15px;
        overflow: hidden;
    }

    .culture_hover .grid-box .inbox {
        padding:30px 20px;
    }


    .culture_hover .grid-box .act .title {
        font-size: 22px;
    }


}


/* about four */
.about_four {
    padding-top: 100px;
    padding-bottom: 70px;
}

.about_text {
    position: relative;
    width: 100%;
    padding-right: 150px;
    background-image: url(../images/dou.svg);
    background-repeat: no-repeat;
    background-size: 127px 88px;
    background-position: right bottom;
    z-index: 9;
}

.about_text .left {
    margin-top: 24px;
    max-width: 708px;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

.about_map {
    position: relative;
    margin-top: -62px;
}

.map_img {
    overflow: hidden;
}

.map_sth {
    position: absolute;
    right: 0;
    bottom: 0;
    color: #CCC;
    font-family: OPPOSans;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

.about_map .dot {
    position: absolute;
    z-index: 6;
    display: flex;
    align-items: center;
}

.about_map .dot span {
    margin-left: 14px;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

.about_map .dot i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red-color);
    position: relative;
}

.about_map .dot i::before {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    background: rgba(195, 13, 35, 0.2);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: aboutbjRing 3s linear infinite;
    opacity: 0;
}

.about_map .dot i::before {
    animation-delay: .6s;
}

.about_map .dot i::after {
    animation-delay: 0s;
}

@keyframes aboutbjRing {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(.8)
    }

    5% {
        opacity: 1
    }

    to {
        opacity: 0;
        transform: translate(-50%, -50%) scale(3)
    }

}

.active .dian {
    position: absolute;
    display: flex;
    bottom: 56px;
    left: 50%;
    transform: translateX(-50%);
    width: 84px;
    height: 84px;
    padding: 4px 10px;
    justify-content: center;
    align-items: center;
    background-color: var(--red-color);
    color: var(--white-color);
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;
}

.active .dian::before {
    content: "";
    position: absolute;
    top: 100%;
    width: 1px;
    height: 56px;
    background-image: url(../images/red_line.svg);
}

.about_map .dot.active i {
    background: var(--red-color);
    width: 18px;
    height: 18px;
    border-radius: 50%;
}

.about_map .dot.active i::before {
    width: 20px;
    height: 20px;
}

.zhongguo {
    left: 38%;
    top: 39%;
}

.faguo {
    left: 7%;
    top: 30%;
}

.yidali {
    left: 9.8%;
    top: 34.4%;
}

.tuerqi {
    left: 15.4%;
    top: 36.5%;
}

.yindu {
    left: 27.1%;
    top: 48.5%;
}

.taiguo {
    left: 32.5%;
    top: 52.8%;
}

.meiguo {
    left: 76.5%;
    top: 39.2%;
}

.baxi {
    left: 87.5%;
    top: 70.4%;
}
@media (max-width:1279px) {
    .about_map .dot span {
        margin-left: 10px;
        font-size: 14px;
        line-height: 20px;
    }


}
@media (max-width:991px) {


.about_map {
    margin-top: 0;
}
.about_text {
    background-size: 80px 55px;
}

}
@media (max-width:767px) {
    .about_video {
        margin-top: 20px;
    }
    .about_two,
    .about_three {
        padding-top: 50px;
    }
    .about_four {
        padding-top: 50px;
    }
    .about_text {
        padding-right: 40px;
        background-size: 40px 28px;
        background-position: right 50%;
    }
    .about_map .dot {
        display: none !important;
    }



}