.download {
    padding-top: 110px;
    padding-bottom: 185px;
}

.download .top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.postNav {
    display: flex;
    align-items: center;
}


.postNav a {
    display: inline-block;
    width: 175px;
    line-height: 50px;
    text-align: center;
    font-size: 14px;
    color: #000;
    border: 1px solid #e6e6e6;
    margin-left: 20px;
    transition: all .3s;
}


.postNav a.active {
    background: #CA1C1D;
    color: #fff;
    border-color: #CA1C1D;
    transition: all .3s;
}


.download .TextDesc {
    margin-top: 85px;
}

@media (max-width:750px) {
    .postNav a {
        width: 2.4rem;
        font-size: .28rem;
        line-height: .8rem;
        margin-left: 0;
        margin-right: 0.2rem;
        margin-top: 0.5rem;
    }

    .download .TextDesc {
        margin-top: 0.5rem;
    }
}


.box1 {
    margin-top: 85px;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}

.box1 .item {
    width: 37.6%;
    margin-right: 7%;
    display: inline-block;
    vertical-align: text-top;
}

.box1 img {
    width: 100%;
    height: 170px;
    padding: 15px;
    line-height: 140px;
    text-align: center;
    background: url(../../image/ico23.png) no-repeat center;
    border: 1px solid #e6e6e6;
    object-fit: contain;
}

.box1 .text {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}

.box1 .text h1 {
    font-size: 16px;
    color: #333;
    line-height: 40px;
}

.box1 .text a {
    display: inline-block;
    font-size: 16px;
    color: #333;
    line-height: 40px;
    padding-right: 50px;
    background: url(../../image/ico20.png) no-repeat right center;
    background-size: 40px;

}

@media (max-width:992px) {
    .box1 .item {
        width: 47%;
        margin-right: 2%;
    }
}

@media (max-width:750px) {
    .box1 {
        margin-top: 0.5rem;
    }

    .box1 .item {
        width: 95%;
        margin: 0;
        margin-top: 0.4rem;
    }

    .box1 .text {
        margin-top: 0.2rem;
    }

    .box1 .text h1 {
        font-size: .26rem;
        line-height: .45rem;
    }

    .box1 .text a {
        font-size: .26rem;
        line-height: .45rem;
        background-size: 0.45rem;
        padding-right: 0.6rem;
    }
}










.box2 {
    margin-top: 85px;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.box2 .item {
    width: calc(33.333% - 30px);
    margin: 0 15px;
    margin-bottom: 65px;
    border-bottom: 1px solid #e6e6e6;
}

.box2 .item:hover {
    box-shadow: 0 0 15px #e3e3f7;
    border-color: #CA1C1D;
    transition: all .3s;
}

.box2 .item .img {
    overflow: hidden;
    position: relative;
}

.box2 .item .img::after {
    z-index: 2;
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: url(../../image/ico24.png) no-repeat center;
}

.box2 .item img {
    width: 100%;
}

.box2 .item:hover img {
    transform: scale(1.08);
    transition: 0.3s;
}

.box2 .item h1 {
    padding: 35px;
    font-size: 18px;
    color: #000;
    font-weight: bold;
    line-height: 25px;
}



@media (max-width:1200px) {
    .box2 .item h1 {
        padding: 15px;
    }
}

@media (max-width:992px) {
    .box2 .item {
        width: calc(50% - 30px);
    }
}

@media (max-width:750px) {
    .box2 {
        margin-top: 0.5rem;
    }

    .box2 .item h1 {
        padding: 0.2rem 0.1rem;
        font-size: .26rem;
        line-height: .4rem;
    }

}


.box2 .item .videoBox {
    display: none;
    position: fixed;
    z-index: 99;
    width: 100vw;
    height: calc(100vh - 100px);
    left: 0;
    top: 100px;
    background: #00000040;
    align-items: center;
    justify-content: center;
}

.box2 .item .videoBox video {
    position: relative;
    z-index: 100;
    max-width: 80%;
    max-height: 80%;
}

.box2 .item .videoBox.cur {
    display: flex;
}