抽取项目页浮层菜单组件

新增 PlatformFloatingMenu 与菜单项测试

项目卡片更多菜单复用平台浮层菜单

更新 TRACKING 记录组件收口验证

src/index.css

@@ -3126,7 +3126,7 @@ html[data-mobile-keyboard-open='true'] .platform-mobile-bottom-dock {
   opacity: 1;
 }
 
-.project-gallery__card-menu {
+.platform-floating-menu {
   position: absolute;
   right: 0;
   bottom: 2.4rem;
@@ -3139,7 +3139,7 @@ html[data-mobile-keyboard-open='true'] .platform-mobile-bottom-dock {
   box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
 }
 
-.project-gallery__card-menu button {
+.platform-floating-menu__item {
   display: flex;
   align-items: center;
   gap: 0.45rem;
@@ -3152,7 +3152,7 @@ html[data-mobile-keyboard-open='true'] .platform-mobile-bottom-dock {
   text-align: left;
 }
 
-.project-gallery__card-menu button:hover {
+.platform-floating-menu__item:hover {
   background: #f3f4f6;
 }