* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #fff;
}

.container {
  text-align: center;
  padding: 40px 30px;
  max-width: 420px;
  width: 100%;
}

/* 圆形头像 */
.avatar-wrapper {
  width: 120px;
  height: 120px;
  margin: 0 auto 30px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 大标题 */
.title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 6px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, #a78bfa, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 40px;
  letter-spacing: 2px;
}

/* 按钮 */
.btn-optimize {
  padding: 14px 48px;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-optimize:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.6);
}

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