body {
  margin: 0;
  padding: 0;
  font-family: 'Microsoft YaHei', sans-serif;
  background: #f5f6f8;
  color: #333;
}

.download-container {
  max-width: 800px;
  margin: 40px auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.download-header {
  padding: 30px;
  border-bottom: 1px solid #eee;
}

.file-info h1 {
  margin: 0;
  font-size: 24px;
  color: #333;
}

.file-meta {
  margin-top: 15px;
  color: #999;
}

.file-meta span {
  margin-right: 20px;
  font-size: 14px;
}

.download-box {
  padding: 30px;
  text-align: center;
}

.download-options {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 20px;
  margin: 0 auto;
}

.download-link {
  flex: 1;
  max-width: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px 15px;
  background: #f8f9fa;
  border: 1px solid #eee;
  border-radius: 4px;
  text-decoration: none;
  color: #333;
  transition: all 0.3s;
}

.download-link:hover {
  background: #2878ff;
  color: #fff;
  border-color: #2878ff;
}

.source-name {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 5px;
}

.source-speed {
  font-size: 12px;
  color: #999;
}

.download-link:hover .source-speed {
  color: #fff;
}

.download-notice {
  padding: 30px;
  background: #f8f9fa;
  border-top: 1px solid #eee;
}

.download-notice h2 {
  margin: 0 0 20px;
  font-size: 18px;
  color: #333;
}

.download-notice ul {
  margin: 0;
  padding-left: 20px;
}

.download-notice li {
  margin: 10px 0;
  color: #666;
  font-size: 14px;
}

.contact-info {
  padding: 20px 30px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: center;
  gap: 30px;
}

.contact-item {
  color: #666;
  font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .download-container {
    margin: 20px;
  }

  .download-options {
    flex-direction: column;
  }

  .download-link {
    max-width: none;
  }
}