.floating-music-player {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  z-index: 9998;
  width: 3.7rem;
  height: 3.7rem;
  cursor: pointer;
}

.music-player-container {
  width: 100%;
  height: 100%;
  position: relative;
}

.music-disc {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(244, 143, 177, 0.4);
  background: linear-gradient(135deg, #ff7eb3, #ff758c);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: rotateDisc 20s linear infinite;
  animation-play-state: paused;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(5px);
}

.music-disc.playing {
  animation-play-state: running;
}

.music-cover {
  width: 90%;
  height: 90%;
  object-fit: cover;
  border-radius: 50%;
}

.music-center-dot {
  position: absolute;
  width: 0.8rem;
  height: 0.8rem;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.expanded-player {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 19rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(244, 143, 177, 0.3);
  padding: 1rem;
  transform: scale(0);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  z-index: 9999;
}

.expanded-player.expanded {
  transform: scale(1);
  opacity: 1;
}

.player-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.6rem;
}

.player-cover {
  width: 3rem;
  height: 3rem;
  border-radius: 8px;
  overflow: hidden;
  margin-right: 0.6rem;
  flex-shrink: 0;
}

.player-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-info {
  flex: 1;
  min-width: 0;
}

.music-title {
  font-family: 'Kosugi Maru Regular', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-artist {
  font-family: 'Kosugi Maru Regular', sans-serif;
  font-size: 0.75rem;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 0.6rem;
}

.player-close {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #f8f9fa;
  color: #666;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.player-play {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: #f48fb1;
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.player-play:hover {
    background: #ec4899;
}

.player-close:hover {
  background: #fdf2f8;
  color: #f48fb1;
}


.player-progress {
  width: 100%;
}

.progress-bar {
  width: 100%;
  height: 0.25rem;
  -webkit-appearance: none;
  background: #f0f0f0;
  border-radius: 2px;
  outline: none;
  margin-bottom: 0.3rem;
}

.progress-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: #f48fb1;
  cursor: pointer;
  transition: all 0.2s;
}

.progress-bar::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: #ec4899;
}

.time-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #666;
}

/* 旋转动画 */
@keyframes rotateDisc {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.tutorial-tip {
  position: fixed;
  bottom: 6.2rem;
  right: 1.8rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 0.9rem;
  box-shadow: 0 5px 20px rgba(244, 143, 177, 0.3);
  z-index: 10000;
  max-width: 17.5rem;
  animation: fadeInUp 0.5s ease;
}

.tutorial-content p {
  margin: 5px 0;
  font-size: 0.8rem;
  color: #333;
  line-height: 1.4;
}

.tutorial-close {
  margin-top: 0.6rem;
  padding: 6px 12px;
  background: #f48fb1;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.7rem;
  transition: background 0.2s;
}

.tutorial-close:hover {
  background: #ec4899;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tutorial-tip.hidden {
  display: none;
}