.sidebar {
    width: 280px;
    height: 100%;
    right: 0;
    top: 0px;
    transition: none;
    position: absolute;
}

.sidebar .sidebar-box {
    position: sticky;
    top: 20px;
}

.sidebar-fix {
    top: 20px;
}

.sidebar h2 {
    /* 侧边栏卡片标题 */
    font-size: 18px;
    padding-bottom: 10px;
}

@media (max-width: 1030px) {
    .sidebar {
        position: unset;
        padding-top: 20px;
    }
}