.home_banner {
    width: 100%;
    height: 100vh;
    position: relative;
}

.home_banner video {
    width: 100%;
    height: 100%;
    object-fit: fill;
}

.home_banner .ship {
    width: 320px;
    height: 100px;
    position: absolute;
    right: 7%;
    bottom: 18%;
    cursor: pointer;
    transform: rotate(15deg);
}

.home_banner .car {
    width: 150px;
    height: 150px;
    position: absolute;
    right: 24%;
    bottom: 2%;
    cursor: pointer;
}


.home_banner .aircraft {
    width: 236px;
    height: 120px;
    position: absolute;
    left: 40%;
    top: 52%;
    cursor: pointer;
}

.home_banner .building {
    position: absolute;
    width: 160px;
    height: 60px;
    right: 26%;
    top: 40%;
    cursor: pointer;
}

.home_banner .home {
    display: flex;
    align-items: center;
    position: absolute;
    top: 20px;
    left: 40px;
    z-index: 100;
}

.home_banner .home img {
    width: 100px;
    height: 100px;
    margin-right: 10px;
}

.home_banner .home .enter_box {
    width: 215px;
    height: 60px;
    position: relative;
    cursor: pointer;
    display: block;
    z-index: 999;
}

.home_banner .home .enter_border {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    border: 1px solid #FFFFFF;
    box-sizing: border-box;
    transition: all .4s;
}

.home_banner .home .enter_txt {
    width: calc(100% - 10px);
    height: calc(100% - 10px);
    font-family: 'YouSheBiaoTiHei';
    font-weight: 400;
    font-size: 28px;
    color: #FFFFFF;
    position: absolute;
    top: 5px;
    left: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .4s;
}

.home_banner .enter_box:hover .enter_border {
    width: calc(100% + 10px);
    height: calc(100% + 10px);
    top: -5px;
    left: -5px;
    border-color: transparent;
}

.home_banner .enter_box:hover .enter_txt {
    width: 100%;
    height: 100%;
    background-color: #fff;
    color: #90DCFC;
    left: 0;
    top: 0;
}

.home_banner .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, .5);
    display: none;
}

.home_banner .middle_box {
    position: absolute;
    width: 1152px;
    height: 648px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    cursor: pointer;
}

.home_banner .middle_box .close {
    width: 40px;
    height: 40px;
    font-size: 30px;
    text-align: center;
    line-height: 36px;
    position: absolute;
    right: -40px;
    top: -40px;
    color: #fff;
    background-color: rgba(0, 0, 0, .5);
    border-radius: 50%;
    cursor: pointer;
}

.box1,
.box2,
.box3,
.box4 {
    width: 10px;
    height: 10px;
    background-color: rgba(255, 255, 255, .5);
    position: absolute;
    border-radius: 50%;
}

.box1 {
    top: -5px;
    left: -5px;
    cursor: nw-resize;
}

.box2 {
    top: -5px;
    right: -5px;
    cursor: ne-resize;
}

.box3 {
    left: -5px;
    bottom: -5px;
    cursor: sw-resize;
}

.box4 {
    bottom: -5px;
    right: -5px;
    cursor: se-resize;
}
/*--分割线--*/

CSS在线编辑
   |  | 文件：summary.css
.summary_img {
    width: 100%;
    height: 682px;
    margin-bottom: 60px;
}

.summary_img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.school_summary .tabcard_list .grid {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
}

.tabcard_list .grid .listitem {
    width: 32%;
    height: 392px;
    margin-bottom: 40px;
    background-color: #fff;
    overflow: hidden;
}

.tabcard_list .grid .listitem:not(:nth-of-type(3n)) {
    margin-right: calc(4% / 2);
}

.tabcard_list .listitem .item_content {
    position: relative;
}

.tabcard_list .listitem .preview_img {
    width: 100%;
    height: 284px;
    overflow: hidden;
}
.tabcard_list .listitem .preview_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all .4s;
}

.tabcard_list .listitem .prev_content {
    width: 100%;
    height: 108px;
    padding: 20px 60px 20px 20px;
    box-sizing: border-box;
}

.tabcard_list .listitem .prev_content h3 {
    font-size: 20px;
    font-weight: bold;
    color: #1A1A1A;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
}

.tabcard_list .listitem .prev_content p {
    font-size: 16px;
    font-weight: 400;
    color: #666666;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
}

.tabcard_list .listitem .icon-arrow {
    font-size: 20px;
    position: absolute;
    right: 20px;
    bottom: 40px;
    color: #BEBEBE;
    transition: all .4s;
}

.tabcard_list .listitem .outer_border {
    width: 100%;
    height: 1px;
    background-color: #D9D9D9;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all .4s;
}
.tabcard_list .listitem:hover .preview_img img {
    transform: scale(1.2);
}

.tabcard_list .listitem:hover .icon-arrow {
    color: #6A2686;
    right: 0;
}

.tabcard_list .listitem:hover .outer_border {
    width: 100%;
    height: 5px;
    background-color: #6A2686;
}

@media screen and (min-width: 1280px) and (max-width: 1440px) {
    .summary_img {height: 610px;}
    .mainWrap {margin-top: -20px !important}
} 

.grid .listitem .icon-logo {
    font-size: 80px;
    color: rgba(106,38,134,0.05);
    position: absolute;
    right: -19px;
    bottom: -30px;
    z-index: 10;
}

.popupmask {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, .5);
    display: none;
}

.popupmiddle_box {
    position: fixed;
    width: 1152px;
    height: 648px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    cursor: pointer;
}

.popupmiddle_box .close {
    width: 40px;
    height: 40px;
    font-size: 30px;
    text-align: center;
    line-height: 36px;
    position: absolute;
    right: -40px;
    top: -40px;
    color: #fff;
    background-color: rgba(0, 0, 0, .5);
    border-radius: 50%;
    cursor: pointer;
}

#vsb_content img{
    cursor: zoom-in;
}