* {
    padding: 0;
    margin: 0;
}

#video-container {
    position: relative;
    width: 1660px;
    height: 850px;
    float: left;
    overflow-x: hidden;
}

.kSpan {
    color: rgba(120, 120, 120,0.66);
    font-size: 0.8rem;
    width: 330px;
}

.textEllipsis {
    white-space: nowrap; /* 禁止换行 */
    overflow: hidden; /* 隐藏溢出内容 */
    text-overflow: ellipsis; /* 显示省略号 */
}

video {
    width: 94%;
    height: 85%;
}

.gudingBtn {
    width: 32px;
    height: 32px;
    /* border-radius: 16px; */
    line-height: 27px;
    text-align: center;
}

.subtitles {
    position: absolute;
    bottom: 200px;
    width: 100%;
    text-align: center;
    color: white;
    background-color: rgba(0, 0, 0, 0.7);
    font-size: 18px;
}

#segmentsContainer:is(:hover) {
    right: 0px !important;
}

#segmentsContainer {
    transition: right 0.7s;
    z-index: 999;
    overflow-x: hidden;
    background-color: #e3e3e3c2;
    position: absolute;
    right: -300px;
    display: flex;
    flex-direction: column;
    width: 400px;
    height: 750px;
    gap: 10px;
    overflow-y: scroll;
    float: left;
    flex-wrap: nowrap;
    padding: 10px;
    align-content: flex-start;
    justify-content: flex-start;
    align-items: center;
}

.kBtn {
    width: 340px;
    height: 60px;
    font-size: 1.3rem;
    text-align: left;
    cursor: pointer;
    color: rgb(103, 194, 58);
    background-color: rgb(240, 249, 235);
    border: 1px solid rgb(179, 225, 157);
}

.knowTtileTheme {
    font-size: 1.3rem;
    cursor: pointer;
    color: rgb(103, 194, 58);
}

.kBtn:hover {
    background-color: rgb(248, 230, 191) !important;
    border: 1px solid rgb(206, 187, 81);
}

.knowDiv {
}

.knowQuestion {
    cursor: pointer;
    border: 2px solid #ff000059;
    border-radius: 10px;
    background-color: #cddc393d;
}

.knowDiv:hover .knowTtile {
    width: 340px;
    display: block;
    background-color: rgb(240, 249, 235);
    border: 1px solid rgb(179, 225, 157);
}

.knowTtile {
    position: absolute;
    text-align: left;
    display: none;
}