/* 全屏播放按钮样式 */
.fullscreen-play-btn {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 999999;
  color: white;
  font-family: 'Microsoft YaHei', sans-serif;
}

.play-btn-container {
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(183, 189, 199, 0.5);
  max-width: 600px;
  width: 80%;
}

.play-btn-title {
  font-size: 24px;
  margin-bottom: 20px;
  color: #b9c3d4;
}

.play-btn-desc {
  font-size: 16px;
  margin-bottom: 30px;
  color: #eee;
}

.play-button {
  background: linear-gradient(to right, #a8b2c3, #a8b4c3);
  border: none;
  color: white;
  padding: 15px 40px;
  font-size: 18px;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 5px 15px rgba(184, 193, 209, 0.5);
  position: relative;
  overflow: hidden;
}

.play-button:before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.7s;
}

.play-button:hover {
  transform: scale(1.05);
  box-shadow: 0 7px 20px rgba(146, 160, 183, 0.7);
}

.play-button:hover:before {
  left: 100%;
}

.play-icon {
  font-size: 24px;
  margin-right: 10px;
}

.play-note {
  margin-top: 20px;
  font-size: 14px;
  color: #aaa;
}

@media (max-width: 768px) {
  .play-btn-container {
    width: 90%;
    padding: 20px;
  }
  
  .play-btn-title {
    font-size: 20px;
  }
  
  .play-button {
    padding: 12px 30px;
    font-size: 16px;
  }
}