.head-page .item:nth-child(2)>a span {
    color: #E5222A;
}

.head-page .item:nth-child(2)>a::after {
    transform: scale(1);
    opacity: 1;
}

.about-page01 {
    position: relative;
}

.about-page01 .item-l {
    width: calc(100% - 422px);
}

.about-page01 .texts {
    width: 45.3%;
}

.about-page01 .page-line {
    margin-top: 23px;
}

.about-page01 .desc {
    margin-top: 20px;
}

.about-page01 .img {
    width: 45.7%;
    height: 603px;
}

.about-page01 .item-r {
    width: 422px;
    position: relative;
    z-index: 1;
}

.about-page01 .item-r-box {
    max-width: 204px;
    margin-left: 20.2%;
    box-sizing: border-box;
    margin-top: 12px;
}

.about-page01 .item {
    border-bottom: 1px solid #EEEEEE;
    padding: 20px 0 10px;
    box-sizing: border-box;
}

.about-page01 .item:last-child {
    border-bottom: none;
}

.about-page01 .item .con {
    margin-top: 10px;
    max-width: 200px;
    width: 100%;
}

.about-page01 .nums-small {
    margin-left: 5px;
}

.about-page01 .nums-add {
    margin-left: 5px;
}

.about-page01::after {
    content: "";
    display: block;
    height: 273px;
    width: 83%;
    background: url(../img/about-bg01.png) no-repeat center/cover;
    position: absolute;
    bottom: 0;
    left: 8.5%;
    z-index: -1;
}

.about-page02 .img {
    width: 50%;
    height: 750px;
}

.about-page02 .texts {
    width: 50%;
    height: 750px;
    background: url(../img/about-bg02.png) no-repeat center/cover;
    padding-top: 50px;
    box-sizing: border-box;
}

.about-page02 .page-line {
    margin-top: 24px;
}

.about-page02 .desc {
    margin-top: 20px;
    max-height: 180px;
    overflow-y: auto;
    padding-right: 10px;
    box-sizing: border-box;
}

.about-page02 .text-box {
    width: 75.4%;
    padding-left: 6.5%;
    box-sizing: border-box;
}

.about-page02 .con {
    margin-top: 4px;
}

.about-page02 .item {
    margin-bottom: 40px;
}

.about-page02 .item-icon {
    width: 65px;
}

.about-page02 .item-text {
    width: calc(100% - 65px);
    padding-left: 4%;
    box-sizing: border-box;
}


.about-page03 .list {
    background: #EEEEEE;
    cursor: pointer;
    text-align: center;
}

.about-page03 .list .img {
    padding: 30px;
    box-sizing: border-box;
}

.about-page03 .list .img img {
    transition: all .4s;
}

.about-page03 .list .text {
    padding: 20px 20px;
    box-sizing: border-box;
    border-top: 1px solid #DCDCDC;
}

.about-page03 .nav .item {
    padding: 0 5px 7px;
    box-sizing: border-box;
    position: relative;
    transition: all .4s;
    margin-right: 50px;
}

.about-page03 .nav .item:last-child {
    margin-right: 0;
}

.about-page03 .nav .item::after {
    display: block;
    content: "";
    width: 0;
    height: 1px;
    background: #F81212;
    position: absolute;
    left: 0;
    bottom: 0;
    transition: all .4s;
}

.about-page03 .nav .item.active:after {
    width: 100%;
}

.tech-tk {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(0, 0, 0, .68);
    z-index: 999;
    display: none;
}

.tech-tk.active {
    display: block;
}

.tech-tk-box {
    display: inline-block;
    background: #ffffff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 20px;
    box-sizing: border-box;
    border-radius: 24px;
    width: 800px;
}

.tech-tk-img {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 558px;
}
.tech-tk-img img{
    max-height: 100%;
}
.techclose {
    margin-left: auto;
    display: block;
    width: 17px;
    margin-right: 10px;
    margin-top: 10px;

}

.techclose img {
    transition: all .4s;
}

@media only screen and (min-width: 960px) {
    .techclose img:hover {
        transform: rotate(360deg);
    }

    .about-page03 .list:hover img {
        -webkit-transform: scale(1.05);
        -ms-transform: scale(1.05);
        transform: scale(1.05);
    }

    .about-page03 .nav .item:hover:after {
        width: 100%;
    }
}

@media only screen and (max-width: 1560px) {
    .about-page02 .text-box {
        width: 83%;
    }
}

@media only screen and (max-width: 1480px) {
    .about-page01 .item-r {
        width: 240px;
    }

    .about-page01 .item-r-box {
        max-width: 100%;
        margin-left: 0;
    }

    .about-page01 .item .con {
        max-width: 100%;
    }

    .about-page01 .item-l {
        width: calc(100% - 300px);
    }

    .about-page01 .texts {
        width: 48.5%;
    }
}

@media only screen and (max-width: 1280px) {
    .about-page01 .item-r {
        width: 200px;
    }

    .about-page01 .item-l {
        width: calc(100% - 240px);
    }

    .about-page02 .item {
        margin-bottom: 30px;
    }
}

@media only screen and (max-width: 1200px) {
    .about-page02 .text-box {
        width: 92%;
    }
}

@media only screen and (max-width: 1024px) {
    .about-page01 .item-l {
        width: 100%;
    }

    .about-page01 .item-r {
        width: 100%;
    }

    .about-page01 .item-r-box {
        width: 100%;
        display: flex;
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .about-page01 .item {
        width: 33%;
        text-align: center;
    }

    .about-page01 .item .nums {
        justify-content: center;
    }
}

@media only screen and (max-width: 960px) {

    .about-page02 .item-icon {
        width: 55px;
    }

    .about-page02 .item-text {
        width: calc(100% - 55px);
    }
}

@media only screen and (max-width: 768px) {

    .about-page01 .texts {
        width: 100%;
    }

    .about-page01 .img {
        width: 100%;
        height: auto;
    }

    .about-page01 .item {
        width: 100%;
    }

    .about-page01 .item .conP {
        margin-top: 5px;
    }

    .about-page02 .img {
        width: 100%;
        height: auto;
    }

    .about-page02 .bg-img {
        position: initial;
        transform: translate(0);
        height: auto;
        max-width: 100%;
        transition: all .4s;
        width: 100%;
    }

    .about-page02 .texts {
        width: 100%;
        height: auto;
        padding-top: 30px;
        padding-bottom: 15px;
    }

    .about-page02 .item-icon {
        width: 45px;
    }

    .about-page02 .item-text {
        width: calc(100% - 45px);
    }

    .about-page02 .item {
        margin-bottom: 15px;
    }

    .about-page02 .text-box {
        padding-left: 0;
        margin: 0 auto;
    }

    .about-page03.lists .img {
        width: 100%;
        margin: 0 auto 20px;
    }

    .about-page03 .page-title {
        text-align: center;
    }

    .about-page03 .lists {
        margin-top: 15px;
    }

    .about-page03.list {
        padding: 15px;
    }

    .tech-tk-box {
        max-width: 92%;
    }

    .about-page03 .nav .item {
        margin-right: 15px;
    }
    .tech-tk-img {
        height: auto;
    }
}