.sign-box{padding-top:20px}

/* 基础样式 */
.interaction-module {
    margin: 30px auto;
   
    max-width: 1440px;
    width: 100%;
}

.interaction-module .h5 {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.interaction-module .tab {
    font-size: 18px;
    color: #333;
    font-weight: bold;
}

.interaction-wrap {
    display: flex;
    gap: 20px;
    width: 100%;
}

.interaction-left {
    flex: 2;
}

.interaction-right {
    flex: 1;
}

.interaction-card {
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #f5f5f5;
}

.card-header h3 {
    font-size: 16px;
    color: #333;
    margin: 0;
}

/* 按钮样式 */
.btn-post-question, .btn-post-evaluation, .btn-attention {
    padding: 6px 15px;
    background: #1E9FFF;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.btn-post-question:hover, .btn-post-evaluation:hover, .btn-attention:hover {
    background: #0e8ce8;
}

/* 问答和评价列表样式 */
.question-list, .evaluation-list {
    padding: 15px 20px;
}

.question-item, .evaluation-item {
    padding: 15px 0;
    border-bottom: 1px dashed #f0f0f0;
}

.question-item:last-child, .evaluation-item:last-child {
    border-bottom: none;
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    margin-right: 10px;
}

.user-name {
    color: #333;
    font-size: 14px;
    margin-right: 15px;
}

.post-time {
    color: #999;
    font-size: 12px;
}

.question-content h4 {
    margin: 0 0 10px;
    font-size: 15px;
    color: #333;
}

.question-text, .evaluation-content {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 15px;
}

/* 讲师回复样式 */
.answer-content {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.answer-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.teacher-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 8px;
}

.answer-role {
    color: #f57c00;
    font-size: 13px;
    background: rgba(245,124,0,0.1);
    padding: 2px 8px;
    border-radius: 12px;
}



/* 右侧推荐区样式 */
.teacher-info {
    padding: 20px;
    text-align: center;
}

.teacher-head {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 15px;
}

.material-list, .similar-list {
    padding: 15px 20px;
    list-style: none;
}

.material-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed #f0f0f0;
}

.similar-item {
    margin-bottom: 15px;
}

.course-link {
    display: flex;
    gap: 10px;
    text-decoration: none;
}

.similar-img {
    width: 90px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}


.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid #f5f5f5;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 16px;
}

.modal-close {
    font-size: 20px;
    color: #999;
    cursor: pointer;
    background: none;
    border: none; /* 清除按钮默认样式 */
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #333;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}



/* 响应式样式 */
@media (max-width: 768px) {
    .interaction-wrap {
        flex-direction: column;
    }
    
    .evaluation-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .modal-dialog {
        width: 90%; /* 小屏幕更窄 */
    }
}
/* 视频上方的框 */
.yixiaowan-player > div:first-child {
    position: absolute;
    top: 0; /* 紧贴顶部 */
    width: 100%; /* 与视频容器同宽 */
    max-width: 1200px; /* 可根据需要限制最大宽度 */
    padding: 38px;
    background: rgba(0, 0, 0, 0.7); /* 半透明黑色背景 */
    color: #fff;
    box-sizing: border-box; /* 确保padding不影响宽度 */
    z-index: 10; /* 保证在视频上方显示 */
    height:101px;
    font-size: 26px;
    text-align: left;
}

/* 视频下方的框 */
.yixiaowan-player > div:last-child {
    position: absolute;
    bottom: 36px; /* 避开原有的padding-bottom */
    width: 100%; /* 与视频容器同宽 */
    max-width: 1200px; /* 可根据需要限制最大宽度 */
    padding: 15px;
    background: rgba(0, 0, 0, 0.7); /* 半透明黑色背景 */
    color: #fff;
    box-sizing: border-box; /* 确保padding不影响宽度 */
   text-align: left;
     height:102px;
}

/* 视频元素保持居中显示 */
.yixiaowan-player video {
    max-width: 100%;
   
     max-height: 80vh; /* 最大高度为视口高度的80% */
       z-index: ; /* 确保在上下框的下方 */
}



/* 自定义弹窗宽度、背景等 */
.layui-layer-dialog {
  width: 500px !important; /* 覆盖默认宽度 */
  border-radius: 10px !important; /* 圆角 */
}

/* 自定义内容区域样式 */
.layui-layer-content.layui-layer-padding {
  padding: 30px !important;
  font-size: 18px !important; /* 文字大小 */
  color: #333 !important; /* 文字颜色 */
  text-align: center !important; /* 居中显示 */
}

/* 自定义图标 */
.layui-layer-ico5 {
    margin-top: 10px !important;
  background-position: -180px 0 !important; /* 更换图标（需对应 Layui 图标雪碧图位置） */
  margin-right: 1px !important;
}



/* 弹窗动画（可选） */
.layui-layer-anim {
  animation: myPopup 0.3s ease-out !important;
}
@keyframes myPopup {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}


/* 提问弹窗样式补充 */
#questionModal .modal-body {
  padding: 20px;
}
#questionForm .form-group {
  margin-bottom: 15px;
}
#questionForm input, #questionForm textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}
#questionForm textarea {
  resize: vertical; /* 允许垂直拉伸 */
}
#questionForm .btn-post-question {
  padding: 8px 20px;
  background: #1E9FFF;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
#questionForm .btn-post-question:hover {
  background: #0e8ce8;
}