body {
    width: 100vw;

    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
}

/* 视频分类 */
.video-category-list-box {
    position: fixed;
    left: 3.97%;
    width: 92%;
    height: 2rem;
    background: #FFFFFF;
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    /* Firefox浏览器 */
    -ms-overflow-style: none;
    z-index: 999;
}

.video-category-list-box::-webkit-scrollbar {
    width: 0;
}

.category-item {
    flex: 0 0 auto;
    width: 7rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.category-item-a {
    font-weight: 500;
    color: #787878;
    text-decoration: none;
}

.category-item-a.selected {
    font-weight: bold;
    color: #2E2E2E;
}

.category-item .line {
    width: 22%;
    height: 8.9%;
    background: #0018FF;
    border-radius: 2rem;
}

/* 视频列表 */
#list {
    margin-top: 12%;
    width: 100%;
    width: 92%;
}

.video-item {
    width: 100%;
    height: 13rem;
    background: #F1F1F1;
    border-radius: 0.4125rem;
}

.video-item:not(:first-child) {
    margin-top: 3%;
}

.video-thumb {
    width: 100%;
    height: 10.2rem;
    border-radius: 0.4125rem;
    position: relative;
}

.video-player-button {
    position: absolute;
    width: 3rem;
    height: 2rem;
    top: 12.6%;
    left: 43%;
}

.video-title {
    height: 2.4rem;
    margin-top: 0;
    font-weight: 500;
    font-size: 1rem;
    color: #232323;
    line-height: 2.4rem;
    padding-left: 3%;
}

.loading {
    line-height: 40px;
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-bottom: 19%;
}

/* 底部tab栏 */

.tabbar-box {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3.9375rem;
    background-color: #0086E6;
    display: flex;
}

.tabbar-item-box {
    flex: 1;
    height: 100%;
}

.tabbar-item-a {
    display: flex;
    width: 100%;
    height: 100%;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
}

.tabbar-icon-box {
    width: 1.9rem;
    height: 1.5625rem;
    margin-top: 9%;
}

.tabbar--item-text {
    width: 100%;
    height: 0.7rem;
    margin-top: 5%;
    text-align: center;
    font-size: 0.7rem;
    line-height: 0.7rem;
    color: #3C3C3C;
    font-weight: 400;

}

.tabbar--item-text.selected {
    font-weight: bold;
    color: #FCFCFC;
}