body {
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei", sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  background: url('../img/bj1.jpg') no-repeat center center fixed;
  background-size: cover;
}
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.3);
  z-index: -1;
}

.user-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 30px 80px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  text-align: center;
  max-width: 400px;
  position: relative;
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
 border: 3px solid #f3b5f0;
  margin-bottom: 15px;
}

.username {
  color: #333;
  margin: 10px 0;
  font-size: 24px;
}

.announcement {
  color: #666;
  font-size: 16px;
  margin: 15px 0;
  padding: 10px;
  background: #f8f9fa;
  border-radius: 8px;
}

.links-container {
  position: relative;
  margin: 20px 0;
}

.links {
  max-height: 200px;
  overflow-y: auto;
  scrollbar-width: none;
  padding-bottom: 8px;
}

.links::-webkit-scrollbar {
  display: none;
}

.link-item {
  display: block;
  color: #FF7043;
  text-decoration: none;
  margin: 12px 0;
  font-size: 16px;
  transition: color 0.3s;
}

.link-item:hover {
  color: #FF5722;
}

.scroll-indicator {
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 24px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="black"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat center;
  background-size: contain;
  opacity: 0;
  transition: opacity 0.2s ease;
  cursor: pointer;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  animation: bounce 1.5s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
      transform: translateX(-50%) translateY(0);
  }
  40% {
      transform: translateX(-50%) translateY(-5px);
  }
  60% {
      transform: translateX(-50%) translateY(-3px);
  }
}

.footer {
  color: #999;
  font-size: 12px;
  margin-top: 20px;
}