/* 复习考试全图视频导航页，仅作用于 .zsd-page 内部。 */
.zsd-page {
    min-height: calc(100vh - 2.2rem);
    padding: 0.5rem;
    background: #ffffff;
    box-sizing: border-box;
}

.zsd-filter {
    margin: -0.25rem 0 0.32rem;
    background: #ffffff;
}

.zsd-filter-group {
    display: block;
    min-width: 0;
    padding: 0.08rem 0 0.03rem;
}

.zsd-filter-options {
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: center;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
}

.zsd-filter-options::-webkit-scrollbar {
    display: none;
}

.zsd-filter-item {
    display: block;
    flex: 0 0 auto !important;
    margin: 0 0.22rem 0.12rem 0;
    padding: 0.17rem 0.34rem;
    border: 0;
    border-radius: 0.42rem;
    background: #f5f5f5;
    color: #333333;
    font-size: 0.62rem;
    line-height: 0.82rem;
    white-space: nowrap !important;
    word-break: keep-all;
}

.zsd-filter-item.is-selected {
    background: rgba(49, 154, 238, 0.12);
    color: #319aee;
}

.zsd-filter-item:active {
    background: #eaf5ff;
}

.zsd-video-list {
    min-height: 5rem;
}

.zsd-video-item {
    display: flex;
    align-items: flex-start;
    padding: 0 0 0.4rem;
    margin-bottom: 0.4rem;
    border-bottom: 1px solid #eeeeee;
    color: #333333;
}

.zsd-video-item img {
    display: block;
    flex: 0 0 8.6rem;
    width: 8.6rem;
    height: 5rem;
    margin-right: 0.5rem;
    border-radius: 8px;
    background: #f5f5f5;
    object-fit: cover;
}

.zsd-video-item p {
    flex: 1;
    min-width: 0;
    margin: 0.04rem 0 0;
    color: #333333;
    font-size: 0.8rem;
    line-height: 1.05rem;
    word-break: break-word;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.zsd-list-status {
    margin: 0.2rem 0 0;
    color: #999999;
    font-size: 0.65rem;
    line-height: 1.3rem;
    text-align: center;
}

/* 无筛选参数时的分类入口，与同桌移动端列表页保持相同留白和色彩。 */
.zsd-category-page {
    padding: 0.4rem 0.5rem 0.8rem;
    background: #f6f8fb;
}

.zsd-category-group {
    margin-bottom: 0.45rem;
    padding: 0.58rem 0.54rem 0.4rem;
    border: 1px solid #e6ebf2;
    border-radius: 0.25rem;
    background: #ffffff;
    box-shadow: 0 0.06rem 0.24rem rgba(39, 54, 74, 0.05);
}

.zsd-category-heading {
    display: flex;
    align-items: center;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid #eef1f5;
    color: #999999;
    font-size: 0.65rem;
}

.zsd-category-heading h2 {
    margin: 0 0.25rem 0 0;
    color: #27364a;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.1rem;
}

.zsd-category-stage-mark {
    width: 0.12rem;
    height: 0.85rem;
    margin-right: 0.25rem;
    border-radius: 0.06rem;
    background: #319aee;
}

.zsd-category-group:nth-child(2) .zsd-category-stage-mark {
    background: #33b27a;
}

.zsd-category-group:nth-child(3) .zsd-category-stage-mark {
    background: #f39a4a;
}

.zsd-category-heading-label {
    margin-left: auto;
    color: #9aa7b7;
}

.zsd-category-source {
    padding: 0.45rem 0 0.25rem;
    color: #596a7d;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1rem;
}

.zsd-category-list {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 0.04rem;
}

.zsd-category-item {
    margin: 0 0.25rem 0.25rem 0;
    padding: 0.28rem 0.46rem;
    border: 1px solid #e2eaf3;
    border-radius: 0.12rem;
    background: #f5f8fc;
    color: #36516d;
    font-size: 0.65rem;
    line-height: 0.9rem;
}

.zsd-category-item:active {
    border-color: #9ccaf0;
    background: #e8f2fc;
}

.zsd-category-empty {
    margin: 0.4rem 0 0.08rem;
    color: #999999;
    font-size: 0.65rem;
}