南京热水器维修保修售后 - 简单到家专业服务 * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif; background: #f5f7fa; color: #1e2a3a; line-height: 1.6; padding: 20px; } .container { max-width: 1000px; margin: 0 auto; background: #ffffff; border-radius: 24px; box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06); overflow: hidden; padding: 40px 48px; } @media (max-width: 640px) { .container { padding: 24px 18