Require numeric or named (where possible) font-weight values. Also, when named values are expected, require only valid names.
要求使用数字或命名的 (可能的情况下) font-weight 值。同时，当需要命名的值时，一定要是有效的命名。
a { font-weight: bold }
/** ↑
* This notation */
a { font: italic small-caps 600 16px/3 cursive; }
/** ↑
* And this notation, too */Valid font-weight names are normal, bold, bolder, and lighter.
有效的 font-weight 名称是 normal，bold，bolder 和 lighter。
This rule ignores $sass, @less, and var(--custom-property) variable syntaxes.
该规则忽略 $sass，@less 和 var(--custom-property) 变量语法。
string: "numeric"|"named-where-possible""numeric"font-weight values must always be numbers.
font-weight 必须是数字。
The following patterns are considered warnings:
以下模式被认为是个警告：
a { font-weight: bold; }a { font: italic normal 20px; }The following patterns are not considered warnings:
以下模式正常：
a { font-weight: 700; }a { font: italic 900 20px; }"named-where-possible"font-weight values must always be keywords when an appropriate keyword is available.
font-weight 的值必须是关键字(当对应的关键字有效时)。
This means that only 400 and 700 will be rejected, because those are the only numbers with keyword equivalents (normal and bold).
这意味着只有 400 和 700 会被拒绝，因为它们是唯一两个有对应的关键字(normal 和 bold)的数字。
The following patterns are considered warnings:
以下模式被认为是个警告：
a { font-weight: 700; }a { font: italic 400 20px; }The following patterns are not considered warnings:
以下模式正常：
a { font-weight: bold; }a { font: italic normal 20px; }ignore: ["relative"]Ignore the relative keyword names of bolder and lighter.
忽略相对值关键字：bolder 和 lighter。
The following patterns are not considered warnings:
以下模式正常：
a { font-weight: 400; }
a b { font-weight: lighter; }