/* 基础样式 */
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* 卡片样式 */
.card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  padding: 2rem;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

/* 域名标题 */
.domain-name {
  color: #2b2d42;
  font-size: 2.5rem;
  text-align: center;
  margin: 1rem 0 2rem;
}

/* 内容区块 */
.content-section {
  margin: 2rem 0;
}

.content-section h2 {
  color: #4a4e69;
  border-bottom: 2px solid #007bff;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.description {
  color: #6c757d;
  line-height: 1.8;
  font-size: 1.1rem;
}

/* 联系区块 */
.email-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
}

.email-icon {
  width: 24px;
  height: 24px;
  fill: #007bff;
}

.email-link {
  color: #2b2d42;
  text-decoration: none;
  font-weight: 500;
}

.email-link:hover {
  color: #007bff;
  text-decoration: underline;
}

/* 页脚 */
.footer {
  text-align: center;
  margin-top: 3rem;
  color: #6c757d;
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .card {
    padding: 1.5rem;
  }
  
  .domain-name {
    font-size: 2rem;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #121212;
    color: rgba(255,255,255,0.87);
  }
  
  .card {
    background: rgba(32,32,32,0.85);
    border-color: rgba(255,255,255,0.1);
  }
  
  .domain-name {
    color: rgba(255,255,255,0.9);
  }
  
  .content-section h2 {
    color: rgba(255,255,255,0.9);
    border-bottom-color: rgba(255,255,255,0.2);
  }
  
  .description {
    color: rgba(255,255,255,0.7);
  }
  
  .email-container {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(4px);
  }
}