#navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #007BFF;
    color: white;
    position: sticky;
    top: 0;
    z-index: 1001;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

#navbar .logo img {
    height: 24px;
}

#navbar .right-items {
    display: flex;
    align-items: center;
}
#navbar .left-items {
    display: flex;
    align-items: center;
    gap: 13px;
}

#navbar .theme-switch {
    margin-left: auto; /* 将主题开关推到navbar的右边 */
}

a {
    text-decoration: none;
}
.menu__link {
    color: #fff;
    line-height: 2;
    position: relative;
}

.menu__link::before {
    content: '';
    width: 0;
    height: 2px;
    border-radius: 2px;
    background-color: #fff;
    position: absolute;
    bottom: -.25rem;
    left: 50%;
    transition: width .4s, left .4s;
}

.menu__link:hover::before {
    width: 100%;
    left: 0;
}

#navbar .icon {
    margin-top: -6px;
    height: 24px; /* 设置图标高度 */
    margin-right: 3px; /* 在图标和文本之间添加右边距 */
    vertical-align: middle; /* 垂直对齐文本 */
}