.theme-pro .welcome-container {
  min-height: 100vh;
  width: 100%;
  /* 背景图片URL */
  background-image: url('');
  background-size: cover;
  background-position: center;
}

.theme-pro .welcome-logo {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  text-align: center;
  transform: translateY(-1.5rem);
}

.theme-pro .welcome-logo img {
  /* LOGO图片URL */
  content: url('');
  height: auto;
  transform-style: preserve-3d;
}

.theme-pro .announcement-container {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: flex-start;
  width: 100%;
  padding: 2rem;
  z-index: 51;
}

.theme-pro .announcement-button {  
  position: absolute;
  right: 2rem;
  top: 1.25rem;
  color: rgba(51, 51, 51, 0.5);
  transition: color 0.3s;
  padding: 0.25rem;
  border-radius: 9999px;
  z-index: 51;
}

.theme-pro .announcement-button:hover {
  color: rgba(51, 51, 51, 0.8);
  background-color: rgba(51, 51, 51, 0.05);
}

.theme-pro .announcement-button img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

.theme-pro .announcement-panel {
  position: fixed;
  top: 5rem;
  right: 5rem;
  width: 24rem;
  background-color: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(12px);
  border-radius: 0.75rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease-out;
  transform-origin: top right;
  opacity: 0;
  transform: translateY(1rem) scale(0.95);
}

.theme-pro .announcement-panel.active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.theme-pro .button-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  position: absolute;
  top: 33%;
  left: 10rem;
  right: auto;
  width: auto;
  z-index: 51;
  padding: 1rem;
}

@media (min-width: 640px) {
  .theme-pro .button-container {
    width: 75%;
  }
}

@media (min-width: 768px) {
  .theme-pro .button-container {
    width: 50%;
  }
}

@media (min-width: 1024px) {
  .theme-pro .button-container {
    width: 33.333333%;
  }
}

.theme-pro .welcome-button {
  width: 100%;
  border-radius: 0.5rem;
  background-color: rgba(200, 200, 200, 0.7);
  font-weight: 700;
  padding: 1rem 1.5rem;
  transition: all 0.3s, transform 0.3s, padding 0.3s;
  transform-origin: center;
}

.theme-pro .welcome-button:hover {
  background-color: rgba(230, 230, 230, 0.8);
  transform: scale(1.05);
  padding: 1.8rem 2.5rem;
  width: 105%;
}

.theme-pro .button-text {
  font-weight: 700;
  color: rgba(51, 51, 51, 0.8);
  letter-spacing: 0.05em;
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

@media (min-width: 640px) {
  .theme-pro .button-text {
    font-size: 1rem;
    line-height: 1.5rem;
  }
}

@media (min-width: 768px) {
  .theme-pro .button-text {
    font-size: 1.125rem;
    line-height: 1.75rem;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes soft-shake {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(2deg);
  }
  75% {
    transform: rotate(-2deg);
  }
}

/* 返回首页按钮样式 */
.home-button {
  position: absolute;
  right: 2rem;
  bottom: 7rem;
  color: rgba(51, 51, 51, 0.5);
  transition: color 0.3s;
  padding: 0.25rem;
  border-radius: 9999px;
  z-index: 51;
}

.home-button:hover {
  color: rgba(51, 51, 51, 0.8);
  background-color: rgba(51, 51, 51, 0.05);
}

.home-button-img {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
}