/* 下载区域样式 */
.download-footer {
  background: linear-gradient(to top, black, transparent);
  padding: 2rem 1rem;
}

.footer-content {
  max-width: 28rem;
  margin: 0 auto;
  text-align: center;
}

.footer-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #facc15;
  margin-bottom: 0.5rem;
}

.footer-subtitle {
  color: #d1d5db;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.download-btn-wrapper {
  margin-bottom: 0.5rem;
}

.main-download-btn {
  position: relative;
  overflow: hidden;
  font-size: 1.125rem;
  padding: 0.75rem 2rem;
  width: 100%;
}

.main-download-btn:after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(45deg);
  animation: shine 3s infinite;
}

.footer-note {
  font-size: 0.75rem;
  color: #6b7280;
  margin-top: 1rem;
}

/* 悬浮下载按钮 */
.floating-download-btn {
  position: fixed;
  right: 1.25rem;
  bottom: 5rem;
  z-index: 30;
}

.floating-download-btn.hidden {
  display: none;
}

.floating-btn {
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.floating-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.5rem;
}

/* 动画 */
.pulse-animation {
  animation: pulse-effect 1.5s ease infinite;
}

@keyframes pulse-effect {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shine {
  0% {
    left: -50%;
  }
  100% {
    left: 150%;
  }
}