.mainpage {
    position: relative;
    width: 100vw;
    /* 禁止页面滚动条 */
    overflow: hidden;
    /* 其他样式 */
    padding: 0;
}

/*公告栏*/
.notice_index{
    position: absolute;
    top: 65px;
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    z-index: 100;

    left: 50%;
    transform: translateX(-50%);
}
.btns{
    position: absolute;
    bottom: 50px;
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.swiper {
    width: 100%;
    margin-top: 60px;
    height: calc(100vh - 120px);
}

.login_ad{
    width: 50%;
    position: absolute;
    /* 禁止页面滚动条 */
    overflow: hidden;
    /* 其他样式 */
    padding: 0;
    bottom: -16px;
    right: 0;
}

.login_swiper {
    width: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-pagination-bullet {
    width: 20px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    font-size: 12px;
    color: #000;
    opacity: 1;
    background: rgba(0, 0, 0, 0.2);
}

.swiper-pagination-bullet-active {
    color: #fff;
    background: #007aff;
}