/* 背景透明图层 */
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: url("../img/background10.jpg") no-repeat center center fixed; /* 背景图放在 images/background.jpg */
  background-size: cover;
}

.background-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.3); /* 可调整透明度 */
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #333;
}

.avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 4px solid white;
  object-fit: cover;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
  margin-bottom: 20px;
}

.gradient-text {
  font-size: 3em;
  font-weight: bold;
  background: linear-gradient(90deg, #ff512f, #dd2476, #1fa2ff, #12d8fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro {
  font-size: 1.2em;
  color: rgba(0, 0, 0, 0.7);
}