主題
成分科學、標示解讀、品類評比。看懂成分表上那一長串名字，然後自己判斷要不要買。
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.
A schema that fails the build is worth more than a CMS that lets anyone publish a broken page. What we validate in Astro, what we deliberately leave alone, and the three rules that keep a Zod schema from slowly turning into a second CMS.
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.