.live-streaming_top__wrap {
    min-height: 405px;
    background: url(../images/live-streaming-img/top-bg.png) no-repeat center center;
    background-size: cover;
    box-sizing: border-box;
    padding: 45px 0 0;
    position: relative;
}

.live-streaming_top__container {
    margin: 0 auto;
    width: var(--view-4);
    position: relative;
}

/*展开收缩文字的东西*/
.live-stream-course-description-wrap {
    display: flex;
}

.textLsjc {
    font-size: 20px;
    /* 设置多行文本溢出省略 */
    display: -webkit-box;
    /* 默认最多显示3行 */
    -webkit-line-clamp: 2;
    overflow: hidden;
    -webkit-box-orient: vertical;
}

/* 按钮右下角文字环绕布局 */
/* 设置伪元素是为了将按钮挤到底部 */
.textLsjc::before {
    content: '';
    float: right;
    width: 0;
    /* 因为text的height是动态改变的，所以得设置text父元素flex布局，否则下面的height用100%设置无效*/
    /* 19px为按钮文字高度 */
    /* height: calc(100% - 19px); */
    /* margin实现，性能比calc要好 */
    height: 100%;
    margin-bottom: -19px;
}

.jyfwbtn {
    float: right;
    clear: both;
    cursor: pointer;
    color: var(--color-bg-brand-red);
    /* background: #eeeeee; */
    line-height: 20px;
    padding: 0px 6px;
}

/* 伪元素设置按钮文本*/
.jyfwbtn::after {
    content: '展开...';
}

/* 隐藏checkbox */
#exp {
    display: none;
}

/* 通过兄弟选择器设置展开后的样式 */
#exp:checked + .textLsjc {
    /* 展开设置一个足够大的行数 */
    -webkit-line-clamp: 999;
}

#exp:checked + .textLsjc .jyfwbtn::after {
    content: '收起';
}

/*顶部面包屑导航*/
.top-nav-breadcrumb-wrap {
    display: flex;
    align-items: center;
    font-size: 20px;
    letter-spacing: 0.1rem;
    font-family: HarmonyOS_Sans_SC_Regular;
}

.top-nav-breadcrumb-wrap img {
    width: 25px;
    height: 25px;
    margin-right: 10px;
}

.top-nav-breadcrumb-wrap span {
    color: var(--color-bg-brand-blue);

}

.live-stream-course-detail-wrap {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    position: relative;
}

.live-stream-course-detail-wrap img {
    width: 385px;
    height: 220px;
    border-radius: 8px;


}

.live-stream-course-info-wrap {
    width: 785px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;

}

.live-stream-course-info-wrap p {
    text-align: left;
    font-size: 20px;
    margin: 7px 0;
}

/*定位的一个长条*/
.fixed-reg-bar-wrap {
    width: var(--view-4);
    margin: 0 auto;
    height: 80px;
    border-radius: 40px;
    background-color: #fff;
    box-shadow: 0px 0px 12px rgb(0 0 0 / 12%);
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translate(-50%, 0);
    box-sizing: border-box;
    padding: 10px;
    font-size: 20px !important;
}

.handle-replay-wrap {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100%;
    padding-right: 15px;
}

/*通用蓝色边框按钮*/
.common-blue-border__btn {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    box-sizing: border-box;
    width: 140px;
    height: 50px;
    border-radius: 4px;
    border: 1px solid var(--color-bg-brand-blue);
    color: var(--color-bg-brand-blue);
}

.handle-reg-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding-right: 15px;
}

#regLiveStreamBtn {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    box-sizing: border-box;
    width: 140px;
    height: 50px;
    border-radius: 4px;
    background: linear-gradient(to right, var(--color-bg-brand-blue), var(--color-bg-brand-red));
    color: #fff;
}

.live-stram-course-price {
    color: var(--color-bg-brand-red);
    font-size: 20px;
    font-weight: bold;
    margin-left: 10px;
}

.common-black__title {
    width: var(--view-4);
    margin: 60px auto 30px;
    font-size: 20px;
    text-align: left;

}

.common-wrap {
    width: var(--view-4);
    margin: 0 auto;
}

/*弹出层*/
#overlay {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 9999;
    display: none;
}

.overlay-modal {
    position: absolute;

    width: auto;
    height: auto;
    left: 50%;
    top: 50%;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: 0px 0px 12px rgb(0 0 0 / 12%);
    border-radius: 6px;
    text-align: center;
    transform: translate(-50%, -50%);

}

.close-dialog-btn {
    cursor: pointer;
}

.bind-phone-input-wrap {
    position: relative;
    width: 550px;
    height: 50px;
    margin: 20px 0;
}

.bind-phone-input-wrap input {
    width: 100%;
    height: 100%;
    border-radius: 5px;
    font-size: 20px;
    border: 1px solid var(--color-bg-brand-blue);
    text-indent: 1.4rem;
}

#dialogSendCode {
    position: absolute;
    right: -2px;
    top: 0px;
    width: 150px;
    display: flex;
    height: 52px;
    text-align: center;
    background-color: var(--color-bg-brand-blue);
    color: #fff;
    border: 1px solid #E2E2E2;
    justify-content: center;
    align-items: center;
}

/*确认取消按钮*/
.dialog-confirm-btn, .dialog-cancel-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 140px;
    height: 50px;
    border-radius: 6px;
    cursor: pointer;
}

.dialog-confirm-btn {
    color: #fff;
    background-color: var(--color-bg-brand-blue);
    margin-right: 25px;
}

.dialog-cancel-btn {
    color: #999999;
    background-color: #eeeeee;
}

::-webkit-input-placeholder {
    /* WebKit, Blink, Edge */
    color: #b5b5b5;
}

:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 */
    color: #b5b5b5;
}

::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #b5b5b5;
}

:-ms-input-placeholder {
    /* Internet Explorer 10-11 */
    color: #b5b5b5;
}

/*el组件样式*/
.el-dialog__header {
    padding: 20px;
    padding-bottom: 10px;
    margin-right: 16px;
}

.el-dialog__title {
    line-height: 24px;;
    font-size: 18px;
    color: #303133;
}

.el-dialog__headerbtn {
    position: absolute;
    top: 6px;
    right: 0;
    padding: 0;
    width: 54px;
    height: 54px;
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    font-size: 16px;
}

.el-dialog__headerbtn .el-dialog__close {
    color: #909399;
    font-size: inherit;
}

.el-icon svg {
    height: 1em;
    width: 1em;
}

.el-dialog__body {
    padding: calc(20px + 10px) 20px;
    color: #606266;
    font-size: 14px;
}

.el-dialog__footer {
    padding: 20px;
    padding-top: 10px;
    text-align: right;
    box-sizing: border-box;
}

.bind-phone__title {
    color: var(--color-bg-brand-blue);
    font-size: 25px;

}

/*直播课程*/
.stream-course-item-wrap {
    width: 100%;
    margin-bottom: 20px;

}

.item-chapter-top__wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0px 0px 12px rgb(0 0 0 / 12%);
    width: 100%;
    padding: 15px 20px;
    border-radius: 6px;
}

.item-chapter-big__title {
    font-size: 20px;
}

.item-chapter-bottom__wrap {
    padding: 20px;
    box-sizing: border-box;
    display: none;
}

.item-chapter-small__title {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.item-chapter-small__title a {
    display: flex;
    align-items: center;
    width: 20px;
}

.item-chapter-small__title a img {
    width: 100%;
    margin-right: 20px;
}
.item-chapter-small__title span{
    margin-left: 10px;
}
.arrow-down__wrap{
    width: 30px;
    cursor: pointer;
    transition: all .3s;
}
.rotate90{
    transform: rotate(180deg);
}
.arrow-down__wrap img{
    width: 100%;
}
#cancelEnrollDialog textarea {
    width: 550px;
    height: 140px;
    resize: none;
    box-sizing: border-box;
    border-radius: 5px;
    font-size: 20px;
    padding: 14px;
}

#bindPhoneDialog {
    display: none;
    width: 600px;
    height: 400px;
}

#enrollSuccessDialog {
    display: none;
    width: 220px;
    height: 310px;
}

#cancelEnrollDialog {
    display: none;
    width: 600px;
    height: 400px;
}