.bo-view {
    width: 1024px;
    margin: 0 auto;
    box-sizing: border-box;
}

.item-view {
    width: 100%;
    position: relative;
}

.item-view:nth-child(1) {
    margin: 49px 0 66px;
}

.item-view:last-child {
    /* margin: 100px 0 125px;
    padding: 0 34px; */
    margin: 18px auto 59px;
}

/* .item-view:last-child img {
    width: 100%;
    height: 100%;
} */

.describe-view {
    height: 289px;
    background: #222B48;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-size: 18px;
    font-family: 黑体;
    font-weight: 400;
    color: #FFFFFF;
}

.item-view-img1 {
    width: 100%;
    height: 666px;
}

.item-view-img2 {
    width: 100%;
    height: 577px;
}

.item-view-img3 {
    width: 100%;
    height: 818px;
}

.item-view-text1 {
    font-size: 18px;
    font-family: 黑体;
    font-weight: 400;
    color: #222B48;
    position: absolute;
    left: 108px;
    top: 445px;
    display: flex;
    flex-direction: column;
}

.item-view-text1 .btn {
    width: 109px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: 2px solid #222B48;
    border-radius: 10px;
    font-size: 12px;
    font-family: 黑体;
    font-weight: 400;
    color: #222B48;
    margin-top: 60px;
    cursor: pointer;
}

.item-view-text3 {
    display: flex;
    flex-direction: column;
    font-size: 18px;
    font-family: 黑体;
    font-weight: 400;
    color: #222B48;
    position: absolute;
    top: 140px;
    right: 60px;
}

.bo-one {
    position: relative;
    height: 750px;
}

.bo .img {
    cursor: pointer;
    transition: all 0.3s;
}

.bo .img:hover {
    transform: scale(1.2);
    z-index: 2;
}

.bo-item1 {
    display: flex;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1;
}

.bo-item1 img:first-child {
    width: 637px;
    height: 426px;
    margin-right: 21px;
}

.bo-item1 .view img:first-child, .bo-item1 .view img:last-child {
    width: 307px;
    height: 204px;
    margin-bottom: 17px;
}

.bo-item1 .view img:last-child {
    margin-bottom: 0;
}

.bo-item2 {
    position: absolute;
    top: 396px;
    right: 0;
    width: 742px;
    height: 354px;
}

.bo-item3 {
    position: absolute;
    bottom: 51px;
    right: 0;
    display: flex;
}

.bo-item3 img:first-child {
    margin-right: 24px;
}

.bo-item4 {
    position: relative;
    height: 617px;
}

.bo-item4 .one {
    position: absolute;
    top: 0;
    left: 0;
}

.item-view-text12 {
    position: absolute;
    bottom: 108px;
    left: 92px;
    font-size: 18px;
    font-family: 黑体;
    font-weight: 400;
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
}

.item-view-text12 span:last-child {
    margin-top: 10px;
}

.bo-item4 .two {
    position: absolute;
    bottom: 0;
    left: 278px;
    z-index: 1;
}

.bo-item4 .three {
    position: absolute;
    right: 0;
    top: 0;
}

.bo-item4 .four {
    position: absolute;
    right: 0;
    bottom: 0;
}

.bo-item5 {
    margin-top: 126px;
    overflow: hidden;
    height: 856px;
}

.bo-item5 .one {
    float: right;
}

.bo-item5 .two {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.bo-item5 .three {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 521px;
    height: 392px;
    background: #E1E1E1;
}

.bo-item5 .four{
    position: absolute;
    left: 55px;
    bottom: 144px;
}

.bo-item5 .five {
    position: absolute;
    right: 0;
    bottom: 0;
}