body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f4f4f4;

}

header {
  background-color: #007bff;
  color: white;
  text-align: center;
  padding: 10px;
}

section {
  background-color: white;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

h1, h2 {
  color: #333;
}

.subheading {
  color: #ff7518;
  font-size: 18px;
  margin-bottom: 10px;
}

.star {
  color: orange;
}
/* 主视觉区域 */
.hero {
  background-color: #e6f7ff;
  padding: 0px;
  text-align: center;
}

.hero h1 {
  font-size: 28px;
  color: #007bff;
}

.sub-title {
  color: #dc3545;
}

.illustration {
  width: 100%;
  height: 100%;
  margin-top: 0px;
}