a {
    color: inherit; /* 继承父元素的颜色 */
    line-height: 40px;
    display: inline-block;
    margin-right: 10px;
    text-decoration: none; /* 如果你也想去除下划线 */
    padding: 0 10px;
}

.background {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    z-index: -1;
}

img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 这可以确保图片在保持宽高比的同时填充整个容器 */
}

.logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: block;
}

.font-large {
    font-size: 2rem;
}

.logo_small {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: block;
}

.logo_smaller {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: block;
}

/*下载app*/
.app {
    position: relative;
}

.app .download {
    width: 100px;
    height: 100px;
    position: absolute;
    left: 50%; /* 将下载div水平居中 */
    transform: translateX(-50%); /* 精确对齐到按钮中心 */
    top: 120%; /* 位于按钮正下方 */
    display: none;
}

.app:hover .download {
    display: block;
}


.password-container {
    position: relative;
}

.password-icon {
    cursor: pointer;
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
}