#container {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* 会议区：唯一参与布局的元素 */
#meeting {
  width: 100%;
  height: 100%;
  transition: width 0.35s ease;
}

/* 直播区：不参与布局，只做视觉滑入 */
#live {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 70%;                 /* 直播视觉宽度 */
  background: #000;

  transform: translateX(100%); /* 初始完全在屏幕外 */
  transition: transform 0.35s ease;
  z-index: 10;

  display: flex;
  flex-direction: column;
}

/* 显示状态 */
#live.show {
  transform: translateX(0);
}

#player {
  flex: 1;
  width: 100%;
}

#controls {
  display: flex;
  justify-content: space-around;
  padding: 5px;
  background: #eee;
}

#toggle-live {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  padding: 12px 16px;
  border-radius: 50%;
  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
  font-size: 22px;
  transition: background-color 0.2s;
}

#toggle-live:hover {
  background-color: #0056b3;
}