High-speed rail refund fees are tiered: over 48 hours before departure 5%, 24-48 hours 10%, and under 24 hours 20%.

高铁退票手续费根据退票时间分为三档：开车前48小时以上收5%，24至48小时收10%，不足24小时收20%。

同一单元的其他句子

• Under the rental agreement, the lessee is liable for repair costs up to 1,500 yuan for any scratches or collisions; amounts exceeding this are covered by insurance.根据租车协议，车辆如有刮擦或碰撞，承租方需承担1,500元以内的维修费用，超出部分由保险覆盖。
• Due to road construction, the recommended route to the city center has been diverted, and the estimated travel time will increase by approximately twenty minutes.由于道路施工，前往市中心的推荐路线已改道，预计行程时间将增加约二十分钟。
• During peak hours, subway single-trip fares are divided into six distance-based zones, ranging from three yuan minimum to nine yuan maximum.高峰时段地铁单程票价根据距离分为六个区间，最低票价为三元，最高为九元。
• Under traffic regulations, speeding on highways incurs both fines and license point deductions; serious violations may result in license revocation.根据交通法规，在高速公路上超速行驶将面临罚款和扣分的双重处罚，严重者可能吊销驾照。
• If you encounter a safety emergency while using ride-hailing services, please immediately press the one-tap emergency button in the app to contact police.如您在使用网约车服务过程中遇到安全紧急情况，请立即点击app内的一键报警按钮联系警方。