区分管理员和版主的盾牌图标

[Canapin (Coin-coin le Canapin)]

@Turtle

那么 CSS 会是什么样的呢？如果我想把管理员图标改成 hat-wizard 的话？

同样的 CSS。
如果你使用这种替换方法，类名仍然是 d-icon-shield-halved，无论你替换了哪个图标：

Replace Discourse's default SVG icons with custom icons in a theme

You can replace a Discourse’s default SVG icons individually or as a whole with your own custom SVG and override them within a theme or theme component. Step 1 - Create an SVG Spritesheet To get started, you must create an SVG Spritesheet. This can contain anything from a single additional custom SVG icon up to an entire replacement set of hundreds. The spritesheet should be saved as an SVG file. In principle, you are nesting the <svg> tag contents from the original SVG icon file into <symbol> …