.banners {
    position: relative;
    width: 100%;
    height: 70vh;
    margin: 0 auto;
    overflow: hidden;
    background-color: rgba(200,200,200,0.5);
}

.banners:hover .click_left,
.banners:hover .click_right {
    display: block;
}

.banner_img {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden; /* 隐藏溢出的部分 */
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner_img img {
    width: 100%; /* 确保宽度适应容器 */
    height: auto; /* 高度自动调整 */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.click_left,
.click_right {
    width: 3vw;
    position: absolute;
    z-index: 10;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

.click_left {
    left: 2vw;
}

.click_right {
    right: 2vw;
}

.number {
    width: 100%;
    height: 1vw;
    line-height: 1vw;
    position: absolute;
    z-index: 10;
    text-align: center;
    bottom: 1.5vw;
}

.numbers {
    display: inline-block;
}

.numbers span {
    color: white;
    font-size: 0.7vw;
    display: block;
    float: left;
    width: 1vw;
    height: 1vw;
    line-height: 1vw;
    text-align: center;
    border-radius: 100vw;
    margin: 0 0.5vw;
    padding: 0.1vw;
    border: 0.1vw solid #ccb58e;
}

.numbers span:hover {
    cursor: pointer;
}