.zsdhzb {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
.zsdhzb .zsdhzb-video {
  height: 528px;
  width: 836px;
  border-radius: 16px;
}
.zsdhzb .zsdhzb-tab {
  height: 528px;
  width: 308px;
  border-radius: 16px;
  background: #F0F4FF;
}
.zsdhzb .zsdhzb-tab .zsdhzb-tab-title {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 68px;
  background: linear-gradient(to right, #B6CCFE, #359BFF); /* 添加渐变背景 */
  background-size: cover;
  background-position: center;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}
.zsdhzb .zsdhzb-tab .zsdhzb-tab-title span {
  display: block;
  font-size: 25px;
  color: #FFFFFF;
}
.zsdhzb .zsdhzb-tab-content {
  padding: 10px 12px;
}
.zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item {
  display: flex;
  flex-direction: row;
  margin-bottom: 12px;
}
.zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item .zsdhzb-tab-img {
  display: flex;
  position: relative;
  justify-content: center;
  align-items: center;
  background: url('https://src.fanruan.com/2025-website/events/Image/zbfm.png');
  background-repeat: no-repeat;
  background-size: cover;
  width: 118px;
  height: 64px;
  border-radius: 4px;
}
.zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item .zsdhzb-tab-img span {
  display: block;
  position: absolute;
  padding: 2px 12px;
  border-radius: 20px;
  font-size: 12px;
  background: #2F59E9;
  color: #FFFFFF;
  opacity: .8;
}
.zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item .zsdhzb-tab-desc {
  display: flex;
  flex-direction: column;
  margin-left: 12px;
}
@media (max-width: 1000px) {
  .zsdhzb {
    display: flex;
    flex-direction: column;
    margin-bottom: 300px;
  }
  .zsdhzb .zsdhzb-video {
    height: 120px;
    width: 100%;
    margin-bottom: 20px;
    border-radius: 16px;

  }
  .zsdhzb .zsdhzb-tab {
    height: 420px;
    width: 100%;
    margin-bottom: 20px;
    border-radius: 16px;

  }
  .zsdhzb .zsdhzb-tab .zsdhzb-tab-title {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 68px;

    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
  }
  .zsdhzb .zsdhzb-tab .zsdhzb-tab-title span {
    display: block;
  }
  .zsdhzb .zsdhzb-tab-content {
    padding: 10px 12px;
  }
  .zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item {
    display: flex;
    flex-direction: row;
    margin-bottom: 12px;
  }
  .zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item .zsdhzb-tab-img {
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('https://src.fanruan.com/2025-website/events/Image/zbfm.png');
    background-size: cover;
    width: 118px;
    height: 64px;
    border-radius: 4px;
  }
  .zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item .zsdhzb-tab-img span {
    display: block;
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 12px;
    background: #2F59E9;
    color: #FFFFFF;
  }
  .zsdhzb .zsdhzb-tab-content .zsdhzb-tab-item .zsdhzb-tab-desc {
    display: flex;
    flex-direction: column;
    margin-left: 12px;
  }
}

/* 视频区域样式优化 */
.zsdhzb-video {
    position: relative;
    background: url('https://src.fanruan.com/2025-website/events/Image/zbbackgroud.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-placeholder {
    text-align: center;
    color: white;
    z-index: 2;
}

.play-icon {
    width: 80px;
    height: 80px;
    cursor: pointer;
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    margin-bottom: 20px;
}

.play-icon:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
}

.video-info h3 {
    font-size: 24px;
    margin: 0 0 10px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.video-info p {
    font-size: 16px;
    margin: 0;
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

#mainVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Tab内容区域滚动 */
.zsdhzb-tab-content {
    height: calc(528px - 68px);
    overflow-y: auto;
    padding-right: 8px;
}

.zsdhzb-tab-content::-webkit-scrollbar {
    width: 6px;
}

.zsdhzb-tab-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.zsdhzb-tab-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.zsdhzb-tab-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Tab项目样式优化 */
.zsdhzb-tab-item {
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 8px;
    border-radius: 8px;
    border: 2px solid transparent;
}

.zsdhzb-tab-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.zsdhzb-tab-item.active {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(5px);
}

.zsdhzb-tab-desc h3 {
    font-size: 14px;
    color: #333;
    margin: 0 0 5px 0;
    font-weight: 600;
}

.zsdhzb-tab-desc .zbsj {
    font-size: 12px;
    color: #666;
    display: block;
    margin-bottom: 2px;
}

.zsdhzb-tab-desc .zbrq {
    font-size: 11px;
    color: #999;
    display: block;
}

/* 视频弹窗样式 */
.video-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.video-modal-content {
    position: relative;
    margin: 8% auto;
    height: 68vh;
    width: 90%;
    max-width: 1200px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-modal-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.video-modal-close:hover {
    color: #ff6b6b;
    transform: scale(1.1);
}

.video-modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px 30px;
    text-align: center;
}

.video-modal-header h3 {
    margin: 0 0 10px 0;
    font-size: 24px;
    font-weight: 600;
}

.video-modal-header p {
    margin: 0;
    font-size: 16px;
    opacity: 0.9;
}

.video-modal-body {
    position: relative;
    padding: 0;
    background: #000;
}

#modalVideo {
    width: 100%;
    height: auto;
    min-height: 400px;
    display: block;
}

/* 移动端优化 */
@media (max-width: 1000px) {
    .zsdhzb-tab-content {
        height: calc(420px - 68px);
    }
    
    .play-icon {
        width: 60px;
        height: 60px;
    }
    .video-info {
        display: none;
    }
    .video-info h3 {
        font-size: 18px;
    }
    
    .video-info p {
        font-size: 14px;
    }
    
    .video-modal-content {
        width: 95%;
        margin: 5% auto;
    }
    
    .video-modal-header {
        padding: 20px;
    }
    
    .video-modal-header h3 {
        font-size: 20px;
    }
    
    .video-modal-header p {
        font-size: 14px;
    }
    
    #modalVideo {
        min-height: 250px;
    }
}


/* 大会议程样式 */
.agenda-content {
    padding: 0 0;
}

/* 日期选择器 */
.date-selector {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
}

.date-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 45px;
    background: linear-gradient(135deg, #E1EAFF 0%, #DCEDFF 100%);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #FFFFFF;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.date-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.date-item.active {
    background: #0069EA;
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.date-number {
    font-size: 30px;
    font-weight: 600;
    color: #2150FB;
}

.date-item.active .date-number {
    color: white;
}

.date-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.month {
    font-size: 16px;
    font-weight: 600;
}

.weekday {
    font-size: 14px;
    opacity: 0.8;
}

/* 议程主体 */
.agenda-main {
    display: flex;
    gap: 30px;
    min-height: 600px;
}

/* 左侧论坛列表 */
.forum-list {
    width: 280px;
    background: #C9E4FF;
    border-radius: 14px;
    overflow: hidden;
    height: 580px;
}

.forum-items {
    max-height: 520px;
    padding: 0;
}

.forum-items::-webkit-scrollbar {
    width: 6px;
}

.forum-items::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.forum-items::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.forum-item {
    padding: 20px 25px;
    cursor: pointer;

    position: relative;
}

.forum-item.active {
    border-radius: 14px;
    background: linear-gradient(135deg, #349BFF 0%, #AAB2FF 100%);
}

.forum-item.active h4 {
    color: #FFFFFF;
}


.forum-item h4{
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    color: #2F59E9;
    line-height: 1.4;
}

.forum-item .forum-time-short {
    display: block;
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
}

.forum-item .forum-type {
    display: inline-block;
    padding: 3px 8px;
    background: #e3f2fd;
    color: #1976d2;
    font-size: 11px;
    border-radius: 12px;
    font-weight: 500;
}

/* 右侧论坛详情 */
.forum-detail {
    flex: 1;

}

.forum-detail-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px 30px;
}

.forum-detail-header h3 {
    margin: 0 0 10px 0;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
}

.forum-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    opacity: 0.9;
}

.forum-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.forum-meta span:before {
    content: "🕒";
    font-size: 12px;
}

.forum-location:before {
    content: "📍" !important;
}

.forum-detail-content {

}

.forum-detail-content::-webkit-scrollbar {
    width: 6px;
}

.forum-detail-content::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.forum-detail-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.placeholder {
    text-align: center;
    padding: 80px 20px;
    color: #999;
}

.placeholder-icon {
    width: 80px;
    height: 80px;
    opacity: 0.3;
    margin-bottom: 20px;
}

.agenda-section {

}


.agenda-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    background: linear-gradient(135deg, #D4E1FF 0%, #C9E4FF 100%);
    margin-bottom: 16px;

    border-radius: 14px;
    border: 2px solid #FFFFFF;
    padding: 16px 26px;
    border-bottom: 1px solid #f0f0f0;
}

.agenda-time {
    min-width: 100px;
    font-weight: 500;
    color: #2F59E9;
    font-size: 16px;
    margin-right: 60px;
}

.agenda-content-item {
    flex: 1;
    flex-direction: column;
    justify-content: space-between;
}

.agenda-content-item h5 {
    margin-bottom: 10px;
    font-size: 18px;
    color: #2F59E9;
    font-weight: 600;
}

.agenda-content-item .speaker-info {
    margin: 0;
    font-size: 12px;
    color: #2F59E9;
    line-height: 1.5;
}

.speaker-info {

}

/* 响应式设计 */
@media (max-width: 1000px) {
    .agenda-main {
        flex-direction: column;
        gap: 20px;
    }
    
    .forum-list {
        width: 95%;
        margin: 0 auto;
        height: auto;
    }
    
    .forum-items {
        max-height: 300px;
    }
    
    .forum-detail-content {
        max-height: 1500px;
    }
    .forum-detail-content {
        height: auto;
        width: 95%;
        margin: 0 auto;
        padding-bottom: 46px;
        background: #F2F6FF;
        box-shadow: 0px 2 16px 0px rgba(157,160,255,0.3);
        border-radius: 20px;
        border: 2px solid #FFFFFF;
    }
    .date-selector {
        margin-bottom: 30px;
    }
    .agenda-item {
        border: none;
        background: none;
        border-radius: 0px;
        height: 120px;
        padding: 0;
        margin: 6px 18px;
        border-bottom: 1px solid #D3D3D3; /* 将边框底部设置为1px实线 #D3D3D3 */
    }
    .date-item {
        padding: 4px 38px;
    }
    .date-selector .date-item .date-number{
        font-size: 18px;
        font-weight: 600;
       
    }
    .date-selector .date-item.active{
        box-shadow: none;
        transform: none;
    }
    .forum-list {
        background: none;
    }
    .forum-items {
        display: flex;
        flex-direction: row;
        overflow-x: scroll;  
        overflow-y: hidden;  
        white-space: nowrap; 
        background: none;
        padding-bottom: 10px; 
    }

    /* 隐藏 .forum-items 的滚动条 */
    .forum-items::-webkit-scrollbar {
        height: 0; /* 隐藏水平滚动条 */
        background: transparent; /* 使滚动条背景透明 */
    }

    .forum-item h4 {
        margin: 0;
        font-size: 12px;
    }

    .forum-items .forum-item {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        padding: 8px 18px;
        background: #FFFFFF;
        border: 1px solid #0069EA;
        border-radius: 20px;
        margin-right: 10px;  
 
    }
    .forum-item.active {
        background: #2855F2;
    }
    .forum-item.active h4 {
        color: #FFFFFF;
    }
    .agenda-time {
        color: #000000;
        font-size: 14px;
        margin-right: 18px;
    }
    
    .agenda-content-item h5{
        font-size: 12px;
        color: #000000;
    }
    .agenda-content-item .speaker-info {
        font-size: 12px;
        color: #A5A5A5;
    }
    
}