The timer starts only when you begin making your project — browsing for designs or preparing materials doesn’t count.
Minimum 1 hour. Then billed every 15 minutes; over 8 mins rounds up.

开始制作的时候才开始计时喔，找图或前期的准备工作不计时。最低收费一小时，之后每15分钟计费；超过8分钟即按15分钟计。