/* 全局重置与基础设置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, #e6f7ff, #d0ebff);
  color: #2c3e50;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部横幅 */
.hero {
  text-align: center;
  padding: 50px 20px;
  background: linear-gradient(to right, #a3d5ff, #7abaff);
  border-radius: 0 0 20px 20px;
  margin-bottom: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.hero h1 {
  font-size: 2.4rem;
  color: #0d4a77;
  margin-bottom: 12px;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.6);
}

.hero .subtitle {
  font-size: 1.1rem;
  color: #2c6ba0;
  font-weight: 500;
}

/* 卡片样式 */
.card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.07);
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
}

.card h2 {
  color: #1e88e5;
  margin-bottom: 16px;
  font-size: 1.5rem;
  border-bottom: 2px solid #e1f0fa;
  padding-bottom: 8px;
}

/* 信息列表 */
.info-list li {
  margin-bottom: 10px;
  padding-left: 8px;
  list-style: none;
}

.info-list strong {
  color: #0d4a77;
}

/* 服务列表 */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.services li {
  background: #f0f9ff;
  padding: 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: #1e88e5;
}

.note {
  font-size: 0.9rem;
  color: #777;
  margin-top: 12px;
  font-style: italic;
}

/* 页脚 */
footer {
  text-align: center;
  color: #555;
  font-size: 0.95rem;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #cce6ff;
}

/* 响应式优化 */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .services {
    grid-template-columns: 1fr;
  }
}