#间距
间距系统以 4px 为基础单位。紧凑应用工具栏使用 4–12px 间距，内容与页面区域使用 16–32px 间距。
4pxspace-18pxspace-212pxspace-316pxspace-424pxspace-632pxspace-8<div class="grid w-full gap-4 rounded-xl border border-border bg-card p-6">
<div class="flex items-center gap-4"><code class="w-16 text-xs text-muted-foreground">4px</code><span class="h-3 w-4 rounded-full bg-[var(--a3s-blue)]"></span><span class="text-xs text-muted-foreground">space-1</span></div>
<div class="flex items-center gap-4"><code class="w-16 text-xs text-muted-foreground">8px</code><span class="h-3 w-8 rounded-full bg-[var(--a3s-blue)]"></span><span class="text-xs text-muted-foreground">space-2</span></div>
<div class="flex items-center gap-4"><code class="w-16 text-xs text-muted-foreground">12px</code><span class="h-3 w-12 rounded-full bg-[var(--a3s-blue)]"></span><span class="text-xs text-muted-foreground">space-3</span></div>
<div class="flex items-center gap-4"><code class="w-16 text-xs text-muted-foreground">16px</code><span class="h-3 w-16 rounded-full bg-[var(--a3s-blue)]"></span><span class="text-xs text-muted-foreground">space-4</span></div>
<div class="flex items-center gap-4"><code class="w-16 text-xs text-muted-foreground">24px</code><span class="h-3 w-24 rounded-full bg-[var(--a3s-blue)]"></span><span class="text-xs text-muted-foreground">space-6</span></div>
<div class="flex items-center gap-4"><code class="w-16 text-xs text-muted-foreground">32px</code><span class="h-3 w-32 rounded-full bg-[var(--a3s-blue)]"></span><span class="text-xs text-muted-foreground">space-8</span></div>
</div>#间距刻度
| 步骤 | 值 | 典型用途 |
|---|---|---|
1 | 4px | 图标与标签之间的微间距 |
2 | 8px | 相邻控件 |
3 | 12px | 工具栏与字段间距 |
4 | 16px | 卡片内边距与网格间距 |
6 | 24px | 分区间距 |
8 | 32px | 页面区域 |
#布局参数
应用组件通过 CSS 变量公开连续值：
| 变量 | 默认值 | 组件 |
|---|---|---|
--app-shell-navigation-size | 15rem | App Shell |
--workspace-header-height | 3.5rem | Workspace Header |
--settings-navigation-size | 14rem | Settings Layout |
--resource-grid-min | 12rem | Resource Grid |
--resource-grid-gap | 1rem | Resource Grid |
--split-pane-min-height | 18rem | Split Pane |
优先调整这些参数，不要覆盖组件内部网格选择器。