diff --git a/web/navi.css b/web/navi.css
index b6a010a..339c388 100644
--- a/web/navi.css
+++ b/web/navi.css
@@ -2460,3 +2460,50 @@ html[data-theme] .navi-footer {
 /* 页脚不再是浮层 → 取消为其预留的底部空间 */
 html[data-theme] .minimal-home > .item-group-container { margin-bottom: 0 !important; }
 html[data-theme] body:has(.minimal-home) .minimal-section-inner { padding-bottom: 8px !important; }
+
+/* ═══ v82：三视图页脚真正落到页面最底 + workspace 的 grid 生效 ═══
+   父链实测（v81）：
+   /          .navi-footer[grid] < FOOTER[padding-bottom:8px] < #dashy < #app < BODY
+   /minimal   .navi-footer[grid] < .navi-footer-host[flex] < BODY
+   /workspace .navi-footer[flex ✗] < .navi-footer-host[flex] < BODY   ← grid 没命中
+   问题：① / 的 8px 空隙来自 <footer> 的 padding-bottom；
+        ② /workspace 页脚停在 y=624，下方仍有 80px 空；
+        ③ /workspace 页脚是 flex 而非 grid → 四个子项挤在同一行。
+   修法：用各视图**实际存在**的祖先结构写选择器，并把页脚推到底部。 */
+/* ① workspace（以及任何 host 直接挂在 body 下的视图）：grid 规则补上 host 路径 */
+html[data-theme] body .navi-footer-host > .navi-footer {
+  display: grid !important;
+  grid-template-columns: auto 1fr !important;
+  grid-template-rows: auto auto !important;
+  column-gap: 12px !important; row-gap: 2px !important;
+  align-items: center !important;
+  width: 100% !important; max-width: 100vw !important;
+  height: auto !important; max-height: none !important;
+  padding: 0 12px !important;
+  background: transparent !important; border: 0 !important; box-shadow: none !important;
+  backdrop-filter: none !important; -webkit-backdrop-filter: none !important;
+  overflow: visible !important;
+}
+html[data-theme] body .navi-footer-host > .navi-footer > a:nth-of-type(1) { grid-column: 1 !important; grid-row: 1 !important; justify-self: start !important; }
+html[data-theme] body .navi-footer-host > .navi-footer > a:nth-of-type(2) { grid-column: 1 !important; grid-row: 2 !important; justify-self: start !important; }
+html[data-theme] body .navi-footer-host > .navi-footer > .navi-quote:nth-last-of-type(2) { grid-column: 2 !important; grid-row: 1 !important; justify-self: end !important; }
+html[data-theme] body .navi-footer-host > .navi-footer > .navi-quote:last-of-type { grid-column: 2 !important; grid-row: 2 !important; justify-self: end !important; }
+html[data-theme] body .navi-footer-host > .navi-footer > .navi-footer-sep { display: none !important; }
+
+/* ② host 作为 body 的弹性子项：用 margin-top:auto 推到最底，且不再留空隙 */
+html[data-theme] body > .navi-footer-host {
+  margin-top: auto !important; margin-bottom: 0 !important;
+  flex: 0 0 auto !important;
+}
+/* ③ 首页：清掉 Dashy <footer> 的底部 padding（那片 8px 空隙的来源），并推到底 */
+html[data-theme] body > #app > #dashy > footer,
+html[data-theme] body #dashy > footer {
+  padding-bottom: 0 !important;
+  margin-bottom: 0 !important;
+}
+html[data-theme] body > #app > #dashy > footer > .navi-footer,
+html[data-theme] body #dashy > footer > .navi-footer {
+  margin-bottom: 0 !important;
+}
+/* ④ minimal：host 已是 body 子项，用 margin-top:auto 让页脚贴页面最底 */
+html[data-theme] body:has(.minimal-home) > .navi-footer-host { margin-top: auto !important; }