3 篇文章
Ratios are easy to pick and mostly wrong. A scale earns its place when every step has a job on a real page: five sizes, a measure that holds at 320 and at 1440 pixels, and clamp() written so a designer can read it out loud.
Inverting a palette is an afternoon of work. The hard part is everything the palette does not control: photographs, screenshots, charts, embedded video, and the one brand colour that stops meaning anything once the background goes dark.
A variable font is not automatically cheaper than two static weights, subsetting saves less than people think, and the expensive part is usually the fallback nobody designed. What a typeface actually costs, measured in bytes, requests and reflow.