#app{
    background-color: #f8f8f8;
}
.topClass {
    height: 30px;
    background-color: #ffffff;
    line-height: 0;
    height: 112px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.topClassBox {
    display: flex;
    justify-content: space-between;
    height: 112px;
}

.topClassBox .right {
    display: flex;
    /* justify-content: center; */
    align-items: center;
}

.topClassBox .right img {
    position: relative;
    height: 18px;
    width: 18px;
    margin-right: 5px;
    margin-left: 5px;
}

.topClassBox .right a {
    font-weight: 400;
    font-size: 15px;
    color: #666666;
    line-height: 16px;
}

.topClassBox .left {
    position: relative;
    bottom: 40px;
}

.contentBox {
    /* height: 50px; */
    display: flex;
    justify-content: center;
    background-color: #F8F8F8;
}

.contentBox .content {
    font-weight: 400;
    font-size: 16px;
    color: #000000;
    line-height: 32px;
}

.title-h1 {
    text-align: center;
    font-family: Microsoft YaHei;
    font-weight: bold;
    font-size: 24px;
    color: #000000;
    line-height: 100px;
}

.img-box {
    width: 1280px;
    height: 456px;
    border-radius: 20px;
}

.img-box img {

    border-radius: 20px;
}

.content-cbox {
    display: table-row;
}

.title-left {
    font-weight: bold;
    font-size: 18px;
    color: #000000;
    vertical-align: top;
    line-height: 48px;
}

.title-right {
    font-weight: 400;
    font-size: 18px;
    color: #000000;
    line-height: 32px;
    width: 500px;
    /* margin-left: 50px; */
    padding-left: 20px;
}

.title-h2 {
    font-weight: 400;
    font-size: 24px;
    color: #000000;
    line-height: 54px;
    text-align: center;
}

.cardBox {
    flex-wrap: wrap;
    display: flex;
    /* justify-content: space-between; */
    /* column-count: 4; */

}

.cardBox .card {
    width: 300px;
    margin-bottom: 20px;
    border-radius: 20px;
    margin-right: 10px;
    margin-left: 10px;
    background-color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    /* 阴影样式 */
}

.cardBox .card img {
    width: 300px;
    height: 284.6px;
}

.card-body {
    padding-left: 33px;
}

.card-title {
    font-weight: 400;
    font-size: 24px;
    color: #000000;
    line-height: 0px;

}

.card-text {
    font-weight: 400;
    font-size: 16px;
    color: #000000;
    line-height: 32px;
    width: 260px;
    display: -webkit-box;
    /* 将元素视为弹性盒子 */
    -webkit-line-clamp: 3;
    /* 最多显示三行文本 */
    -webkit-box-orient: vertical;
    /* 垂直方向排列文本 */
    overflow: hidden;
    /* 隐藏溢出内容 */

}

.abSign {
    position: absolute;
    display: flex;
    justify-content: space-between;
    bottom: 75px;
}

.abSign .right {
    width: 56px;
    position: relative;
    z-index: 1000;
    left: 100px;
}

.abSign .left {
    width: 56px;
    /* height: 56px; */
    position: relative;
    z-index: 1000;
    right: 100px;

}