/* 生日开场动画 - Lottie版本 */
.birthday-intro-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.8s ease-out;
}

.birthday-intro-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.birthday-lottie-container {
  position: relative;
  animation: lottieAppear 0.8s ease-out;
}

@keyframes lottieAppear {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 生日快乐文字 */
.birthday-message {
  margin-top: 40px;
  text-align: center;
  animation: messageAppear 1s ease-out 0.3s both;
}

@keyframes messageAppear {
  0% {
    transform: scale(0);
    opacity: 0;
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.birthday-message h1 {
  font-size: 48px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  margin: 0;
  padding: 0;
}

.birthday-message p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 10px;
}

.skip-intro-btn {
  margin-top: 30px;
  padding: 12px 30px;
  font-size: 18px;
  font-weight: 600;
  color: #667eea;
  background: #ffffff;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.skip-intro-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  background: #f0f0f0;
}

.skip-intro-btn:active {
  transform: translateY(0);
}

/* 响应式 */
@media (max-width: 767px) {
  .birthday-lottie-container dotlottie-player {
    width: 300px !important;
    height: 300px !important;
  }

  .birthday-message h1 {
    font-size: 36px;
  }

  .birthday-message p {
    font-size: 16px;
  }
}