铁路“静音车厢”列车数量增加，如何买票？

Core Viewpoint - The railway department is expanding the "quiet carriage" service to enhance passenger travel experience and promote a civilized, warm, and quiet travel environment, with over 8,000 trains offering this service starting February 1 [3][9]. Group 1: Service Expansion - The "quiet carriage" service will be extended to all "D" and "G" series trains, excluding sleeper trains, increasing the total number of trains offering this service to over 8,000 [3][9]. - The service was initially piloted in December 2020 on high-speed routes such as Beijing-Shanghai and Chengdu-Chongqing, and has since gained popularity among passengers [5]. Group 2: Implementation Details - The "quiet carriage" aims to provide a relatively quiet travel environment by adjusting audio levels and guiding passenger behavior, with staff trained to provide services quietly and offer disposable earplugs to those in need [3][5]. - Passengers can identify "quiet carriages" when purchasing tickets on the railway 12306 platform, where they must agree to the quietness terms to buy tickets for these carriages [5][9]. Group 3: Quietness Guidelines - Passengers are required to maintain silence, keep movements gentle, set electronic devices to silent or vibrate, and step out of the carriage for phone calls or conversations [6][7]. - Guidelines also include using headphones for electronic devices and ensuring children are kept quiet [7].