[stdf]Update Tailwind v4. Optimize the custom font configuration of the numeric keypad and CSS font definitions.

packages/stdf/src/app.css

@@ -36,9 +36,11 @@
 	--color-extend0: oklch(0.7028 0.1492 235.06);
 	--color-extend1: oklch(0.7021 0.1938 38.14);
 	--color-extend2: oklch(0.4815 0.10687 161.2119);
+
+	--font-Trueno: 'Trueno', Trueno;
 }
 @font-face {
-	font-family: 'Trueno';
+	font-family: Trueno;
 	src: url('/fonts/Trueno.otf') format('opentype');
 }
 *::-webkit-scrollbar {

packages/stdf/src/routes/numKeyboard/en_US/+page.svelte

@@ -127,5 +127,5 @@
 <Cell title="Opaque Background When Active" subTitle="Via popup mask" onclick={() => (visible17 = true)} />
 <NumKeyboard bind:visible={visible17} popup={{ mask: { opacity: '0.4' } }} />
 
-<Cell title="Custom Key Font" subTitle="Need to import and configure in tailwind.config.js" onclick={() => (visible19 = true)} />
+<Cell title="Custom Key Font" subTitle="Need to load font in CSS and configure in @theme" onclick={() => (visible19 = true)} />
 <NumKeyboard bind:visible={visible19} keyClass="font-Trueno" />

packages/stdf/src/routes/numKeyboard/zh_CN/+page.svelte

@@ -127,5 +127,5 @@
 <Cell title="激活时背景不透明" subTitle="通过 popup 内的 mask" onclick={() => (visible17 = true)} />
 <NumKeyboard bind:visible={visible17} popup={{ mask: { opacity: '0.4' } }} />
 
-<Cell title="自定义按键字体" subTitle="需要引入并在 tailwind.config.js 中配置" onclick={() => (visible19 = true)} />
+<Cell title="自定义按键字体" subTitle="需要 CSS 加载字体并在 @theme 中配置" onclick={() => (visible19 = true)} />
 <NumKeyboard bind:visible={visible19} keyClass="font-Trueno" />