.banner-container {
    position: relative;
    width: 100%;
    height: 630px !important;
    padding-top: 26px;
    background: #063f75 !important;
    overflow: hidden;
}

.logobox {
    max-width: 9em;
}

.banner-img {
    position: absolute;
    width: 1900px;
    height: 580px !important;
    left: calc(50% - 950px);
}

.banner-container .container {
    height: 320px;
    position: relative;
}



.banner-img img {
    width: 150%;
    height: 630px !important;
}

div.case-container {
    padding: .8rem 0;
    padding-bottom: 1.8rem;
    /* display: none; */
}


div.about-banner div.about-banner-txt {
    position: absolute;
    top: 10%;
    color: white;
    /* width: 50%; */
}

div.about-banner .about-banner-img {
    position: absolute;
    /* top: 30%; */
    width: 40%;
    height: 100% !important;
    display: flex;
    justify-content: center;
    align-items: center;
    right: 0;
}

.about-banner-img img {
    width: 100%;
}

.banner-container .container {
    /* height: calc(380px + 66px); */
    height: 380px;
    /* 防止冲突index.css:1401 */
    display: inline !important;
}

.banner-img {
    filter: brightness(.5);
    top: 0 !important;
}



.about-banner-txt h1 {
    font-size: 1rem;
}



div.container>div.about-banner-txt>p {
    font-size: .35rem;
    letter-spacing: .5px;
    width: 60%;
}

.span-box {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 100px;
}

.span-box>div {
    position: relative;
    width: 220px;

}

.span-box>div>span:nth-child(1) {
    position: absolute;
    top: -20px;
    font-size: 12px;
    line-height: 12px;
    color: #aaa !important;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.span-box>div>span:nth-child(2)>a {
    width: 220px;
    height: 48px;
    border-radius: 24px;
    color: #fff !important;
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #4395fb;
    transition: all .5s ease;

}

.span-box>div>span:nth-child(2)>a:hover {
    padding-left: 15px;
    transition: all .3s ease;

}

@keyframes slideFromLeft {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(0);
    }
}


.case-container {
    position: relative;
}

.case-container-list>img {
    width: 100%;
}

.case1 {
    margin: 0;
}

.case1 div {
    top: 10px;
}

.case1>div>img {
    max-width: 1rem;
    display: flex;
    margin: auto;
    transition: all .5s
}

.case1>div>p {
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin: 15% 0;
    font-size: .3rem;
    letter-spacing: 2px;
}

.case2 {
    display: block !important;
}

.container>.case2>div:nth-child(3) {
    margin-top: 16px;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
}

.opertionOS {
    width: 100%;
    background-color: #eee;
    display: flex;
    justify-content: center;
    align-items: center;
}

.case2>div>img {
    height: 0.56rem;
}

.case2>div:nth-child(1),
.case2>div:nth-child(2) {
    width: 100%;
    height: 100px;
    margin-top: 10px;
    justify-content: space-around;
}

.case2>div>div {
    width: calc(50% - 32px);
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 10px;
    height: 100%;
}

.case2>div>div:nth-child(1) {
    margin-right: 2%;
    margin-left: 2%;
}

.case2>div>div>span:nth-child(1) {
    border-right: 1px solid #eee;
    width: 40%;
    font-size: .55rem;
    padding: 24px 0;
    line-height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.case2>div>div>span:nth-child(2) {
    width: 60%;
    font-size: .28rem;
    padding: 20px;
}

/* mobile 768x */
@media screen and (max-width:768px) {
    .about-banner-txt {
        left: 0;
    }

    .about-banner-txt h1 {
        text-align: center;
    }

    div.about-banner div.about-banner-txt {
        top: 20%;
        width: 100%;
    }

    .span-box {
        justify-content: space-evenly;
        margin-top: 260px;
    }

    div.container>div.about-banner-txt>p {
        width: 90%;
        margin: 15px auto;
        text-align: center;
    }

    div.about-banner .about-banner-img {
        top: 30%;
        position: relative;
        margin: auto;
    }

    .case2>div>div>span:nth-child(1) {
        font-size: .5rem;
    }

    .container>.case4>div>div>p:nth-child(2) {
        font-size: 0.25rem;
    }

    .container>.case4>div>div {
        height: calc(100% - 75px);
    }

    .case5>.spanbox>p:nth-child(1) {
        font-size: .4rem;
    }

    .case5>.spanbox>p:nth-child(n+2) {
        font-size: 13px;
    }

    .case5>.spanbox>p:nth-child(4) {
        text-indent: 0;
    }

    .container>.case5>.spanbox {
        margin-right: 0;
        width: 50%;
    }

    .case2>div>img {
        width: 150%;
        margin-left: -20%;
    }
}




.gradient-text {
    background: linear-gradient(to right, #1d8891, #184989);
    /*设置渐变的方向从左到右 颜色从ff0000到ffff00*/
    -webkit-background-clip: text;
    /*将设置的背景颜色限制在文字中*/
    -webkit-text-fill-color: transparent;
    /*给文字设置成透明*/
}

.case3 {
    flex-wrap: wrap;
    justify-content: space-between;
}

.case3>div {
    width: calc(50% - 25px);
    position: relative;
}

/* .case3>div:nth-child(1),
.case3>div:nth-child(3) {
    margin-right: 50px;
} */

.case3>div:nth-child(3),
.case3>div:nth-child(4) {
    margin-top: 50px;
}

.case3>div>img {
    width: 100%;
    /* height: 390px; */
}

.case3>div>span {
    position: absolute;
    bottom: -34px;
    font-size: .35rem;
    line-height: 24px;
    width: 100%;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #9c9c9c;
}

.case4 {}

.case4>div {
    width: calc(50% - 8px);
    border-radius: 8px;
    position: relative;
}

.case4>div>img {
    width: 100%;

}

.case4>div:nth-child(1) {
    margin-right: 16px;
}

.case4>div>div {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: calc(100% - 125px);
    background: rgba(255, 255, 255, .9);
    padding: 10px 16px;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    border-radius: 0 0 15px 15px;
}

.case4>div>div>p:nth-child(1) {
    font-size: .5rem;
}

.case4>div>div>p:nth-child(2) {
    font-size: .3rem;
    margin-top: 5%;
}

.case4>div>div>div {
    /* width: 120px !important;
    height: 36px; */
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 5%;
    background: #4395fb;
    border-radius: 8px;
    /* padding: 15px 0; */
}

.case4>div>div>div>a {
    font-size: 14px;
    color: #FFF;
    padding: 8px 25px;
}

/* ------------------------- */
.case5 {
    padding-top: 48px;
}

.case5>div:nth-child(2) {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.case5>div:nth-child(2)>img {
    width: 100%;
}

.case5>.spanbox {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-right: 5%;
    width: 45%;
    padding-left: 0 !important;
}
.case5>.spanbox>a {
    padding: 10px 30px;
    background-color: #08c8fc;
    color: #fff;
    font-size: 0.3rem;
    display: flex;
    justify-content: flex-end;
    border-radius: 7px;
}


.spanbox>p:nth-child(1) {
    width: 100%;
    font-size: .6rem;
    color: #4c4c4c;
}

.spanbox>p:nth-child(n+2) {
    width: 75%;
    font-size: 14px;
    text-indent: 2em;
    color: #333;
    margin-top: 30px;
}
.spanbox>p:nth-child(4){
    margin-bottom: 10px;
}



/* mobile 设备 350px */
@media screen and (max-width: 350px) {
    /* styles for mobile devices */
}

/* mobile 设备 451px */
@media screen and (max-width:451px) {
    div.container>div.about-banner-txt>p {
        width: 78%;
        margin: 20px auto;
    }

    div.about-banner div.about-banner-txt {
        top: 10%;
    }

    div.about-banner .about-banner-img {
        width: 75%;
        /* left: 13%; */
        top: 25%;
    }

    .span-box {
        flex-direction: column;
        align-items: center;
        margin-top: 210px;

    }

    .span-box div {
        margin: 5% 0;
    }

    .about-banner-txt {
        left: 0;
    }

    .case1>div {
        padding-top: 15px;
        padding-bottom: 15px;
    }

    .case2>div {
        display: inline;
    }

    .case2>div>div {
        width: 100%;
    }

    .case2>div>div:nth-child(1) {
        margin-left: 0;
        margin-right: 0;
    }

    .case2>div>div>span:nth-child(1) {
        padding: 24px 0;
    }

    div.case-container div.case-container-list {
        display: flex;
        justify-content: space-around;
        align-items: center;
    }

    .case-container-list.case2>div>div {
        height: 100px;
    }

    .case4>div:nth-child(1) {
        margin-right: 0;
    }

    .case5 {
        flex-direction: column;
    }

    .container>.case5>.spanbox,
    .container>.case4 div {
        width: 100%;
    }

    .case5>.spanbox>p:nth-child(1) {
        text-align: center;
        font-size: .6rem;
    }

    .case5>.spanbox>p:nth-child(2) {
        margin-top: 75%;
    }

    .container>.case5>div:nth-child(2) {
        position: absolute;
        width: 80%;
        top: 23%;
    }

    .container>.case5>div:nth-child(2)>img {
        width: 90%;
        /* height: 175px; */
    }

    .case5>.spanbox>p:nth-child(3) {
        margin-top: 20px;
    }

    .case5>.spanbox>p:nth-child(4) {
        margin-top: 20px;
        width: 100%;
        text-align: center;
        text-indent: 0;
    }

    .case4 {
        flex-direction: column
    }

    .case4>div>div {
        top: 37%;
    }

    .case4>div:nth-child(1) {
        margin-bottom: 5%;
    }

    .case4>div:nth-child(2) {
        margin-top: 10%;
    }

    /* footer */
    /* .footer>.footer-list{
        font-size: 14px;
    } */
    .footer>.footer-title {
        font-size: 20px;
    }

    /* .footer>.footer-list>.icon-box img {
        width: 0.5rem;
        position: absolute;
        left: 0.2rem;
        top: .3rem;
    } */
    .footer-row .footer-list>a:nth-child(1) {
        margin-top: 5px;
    }

    .qrcode>div {
        top: 10px;
    }
}

/* 平板设备 768px */
@media screen and (max-width: 768px) {
    .banner-img {
        top: 50px !important;
        height: 280px !important;
    }

    .banner-container .container {
        height: 380px !important;
    }

    .banner-container {
        overflow: hidden;
        justify-content: flex-start;
    }

    .nav-container {
        height: 230px;
    }

    .nav-item p {
        top: 55px !important;
        font-size: 12px !important;
        line-height: 150% !important;
    }


}

@media screen and (min-width: 768px) {
    .span-box>div:first-child>span:last-child>a:last-child {
        display: none;
    }
}


/* 台式电脑、笔记本电脑 992px */
@media screen and (max-width: 992px) {}

/* 大尺寸显示器 993px */
@media screen and (min-width: 993px) {
    /* styles for larger screens */
}