.main-videoList {
    width: 80%;
    height: 800px;
    margin: 0 auto;
}

.title {
    margin-left: 180px;
}

video {
    width: 100%;
    height: 100%;
}
img {
    width: 100%;
    height: 100%;
}

.main-btn {
    pointer-events: none;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 39;
    background-size: 5.938vw 5.938vw;
    background:url("data:image/png;base64,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") no-repeat 50%;
}

.more-btn {
    pointer-events: none;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 39;
    background-size: 3.938vw 3.938vw !important;
    background:url("data:image/png;base64,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") no-repeat 50%;
}

.btn {
    pointer-events: none;
    position: absolute;
    left: 0;
    top: -12%;
    width: 100%;
    height: 100%;
    z-index: 39;
    background-size: 2.938vw 2.938vw !important;
    background:url("data:image/png;base64,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") no-repeat 50%;
}

.btn.hidden {
    display: none;
    position: initial;
    z-index: auto;
    /* 可以根据需要继续移除其他不需要的样式属性 */
}

.main-title {
    margin: 20px auto;
    text-align: center;
}
.main-left {
    position: relative;
    float: left;
    width: 1100px;
    height: 680px;
    padding: 20px;
}
.main-right {
    float: left;
    width: 350px;
    height: 660px;
    padding: 20px;
    margin-left: 30px;
}

.main-rightItem {
    position: relative;
    overflow: hidden;
    margin: 10px 0;
}

.main-rightItem p {
    padding: 5px 0;
    text-align: center;
    font-size: 18px;
}

/*more*/
.more-videoList {
    width: 85%;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.more-videoItem {
    position: relative;
    width: 518px;
    height: 291px;
    margin: 10px;
}

/* 弹窗样式 */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.popup-content {
    position: relative;
    width: 90%;
    max-width: 1250px;
}

.close {
    position: absolute;
    top: 10px;
    right: 10px;
    color: white;
    font-size: 60px;
    cursor: pointer;
    z-index: 999;
}