diff --git a/web/navi.css b/web/navi.css
index fab6357..bfe7122 100644
--- a/web/navi.css
+++ b/web/navi.css
@@ -2153,3 +2153,43 @@ html[data-theme] .navi-footer .navi-quote {
   max-width: 40vw !important; color: #b6c2d2 !important; font-style: italic;
 }
 html.navi-dark[data-theme] .navi-footer .navi-quote { color: #6b7d95 !important; }
+
+/* ═══ v68：页脚不再裁切 + 底部按钮不再显灰（仍为文件末尾，级联必胜）═══
+   v67 遗留：.navi-footer 实测 26px 而 scrollHeight > clientHeight+1（裁切 1-2px）。
+   改用固定行高 20px（单行行盒），高度 20/20/20，overflow:visible → 无裁切。
+   另：浅色主题下按钮底色 rgba(255,255,255,.72) 叠在浅背景上发灰，
+   改为更亮的玻璃面 + 中性描边（不引入蓝色，深色主题保持原样）。 */
+html[data-theme] .navi-footer,
+html[data-theme] body .navi-footer {
+  height: 20px !important; min-height: 20px !important; max-height: 20px !important;
+  line-height: 20px !important;
+  overflow: visible !important;
+}
+html[data-theme] .navi-footer .navi-quote {
+  line-height: 20px !important; height: 20px !important;
+  min-height: 0 !important; max-height: 20px !important;
+  display: inline-block !important; vertical-align: top !important;
+}
+html[data-theme] .navi-footer a,
+html[data-theme] .navi-footer .navi-footer-sep { line-height: 20px !important; }
+
+/* 底部悬浮按钮：中性亮面，不再是"灰块" */
+html[data-theme]:not(.navi-dark) .navi-view-toggle,
+html[data-theme]:not(.navi-dark) .navi-admin-entry,
+html[data-theme]:not(.navi-dark) .navi-search-toggle {
+  background: rgba(255, 255, 255, 0.92) !important;
+  border: 1px solid rgba(100, 116, 139, 0.22) !important;
+  color: #334155 !important;
+  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.10) !important;
+}
+html[data-theme]:not(.navi-dark) .navi-view-toggle:hover,
+html[data-theme]:not(.navi-dark) .navi-admin-entry:hover,
+html[data-theme]:not(.navi-dark) .navi-search-toggle:hover {
+  background: #ffffff !important;
+  border-color: rgba(71, 85, 105, 0.34) !important;
+}
+html[data-theme]:not(.navi-dark) .navi-view-toggle:focus-visible,
+html[data-theme]:not(.navi-dark) .navi-admin-entry:focus-visible {
+  outline: 2px solid rgba(71, 85, 105, 0.55) !important;
+  outline-offset: 2px !important;
+}