/* 基础样式设置 */
body {
  margin: 0;
  font-family: 'Helvetica Neue', Roboto, Arial, sans-serif;
  background: linear-gradient(135deg, #2C2C2C, #1E90FF);
  color: #F5F5F5;
  line-height: 1.6;
  min-height: 100vh;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
h1, h2, h3 {
  color: #FFFFFF;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
a {
  color: #1E90FF;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.button {
  display: inline-block;
  background-color: #1E90FF;
  color: white;
  padding: 12px 24px;
  border-radius: 4px;
  transition: all 0.3s ease;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.button:hover {
  background-color: #1874CD;
  transform: translateY(-2px);
}
.section {
  margin-bottom: 40px;
  padding: 20px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
}
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  h1 {
    font-size: 24px;
  }
  h2 {
    font-size: 20px;
  }
}
.hero {
  text-align: center;
  padding: 50px 20px;
  background: url('https://images.gptkong.com/product/lenovo_xiaoxin_pro16_1.png') no-repeat center bottom;
  background-size: contain;
}
.features {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.feature-item {
  flex: 1 1 30%;
  margin: 10px;
  text-align: center;
}
.product-image {
  max-width: 200px;
  margin: 0 auto;
  display: block;
  border: 2px solid #D3D3D3;
  border-radius: 8px;
}
.footer {
  text-align: center;
  padding: 20px;
  background-color: #2C2C2C;
}