南京燃气灶维修预约下单 - 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, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif; background: #FFF8F0; color: #2D2D2D; line-height: 1.7; padding: 0 0 40px 0; } .container { max-width: 1100px; margin: 0 auto; padding: 0 20px; } /* header */ .header { background: #FFFFFF; border-bottom: 1px solid #F0EBE6; padding: 14px 0; position: sticky; top: 0; z-index: 100; backdrop-filter: