选中背景色优化

src/views/common/DocumentSearch.vue

@@ -3,7 +3,8 @@
         <div class="search-toolbar">
             <el-input v-model="keyword" class="search-input" placeholder="输入关键字搜索 PDF" clearable
                 @keyup.enter.native="handleSearch" @clear="resetSearch">
-                <el-button slot="append" icon="el-icon-search" @click="handleSearch" :loading="searching" :disabled="searching">
+                <el-button slot="append" icon="el-icon-search" @click="handleSearch" :loading="searching"
+                    :disabled="searching">
                     搜索
                 </el-button>
             </el-input>
@@ -728,7 +729,7 @@ export default {
             if (!skipNavigate) {
                 this.navigateToResult(this.currentResultIndex, true)
             } else {
-                this.updateCurrentResultActiveState()
+                this.scheduleActiveHighlightRefresh()
             }
         },
 
@@ -749,7 +750,7 @@ export default {
             }
 
             this.currentResultIndex = index
-            this.updateCurrentResultActiveState()
+            this.scheduleActiveHighlightRefresh()
 
             const target = this.searchResults[this.currentResultIndex]?.element
             if (!target) return
@@ -842,22 +843,48 @@ export default {
                 this.searchResults[matchIndex].element = elements[0] || null
             })
 
-            this.updateCurrentResultActiveState()
+            this.scheduleActiveHighlightRefresh()
         },
 
         updateCurrentResultActiveState() {
+            const activePageContainers = new Set()
+
             this.searchResults.forEach((item, idx) => {
                 if (!item) return
                 const elements = item.elements && item.elements.length ? item.elements : item.element ? [item.element] : []
                 elements.forEach((el) => {
                     if (!el) return
                     if (idx === this.currentResultIndex) {
-                        el.classList.add('is-active')
+                        el.classList.add('is-active', 'is-current')
+                        const container = el.closest('.pdf-page')
+                        if (container) {
+                            activePageContainers.add(container)
+                        }
                     } else {
-                        el.classList.remove('is-active')
+                        el.classList.remove('is-active', 'is-current')
                     }
                 })
             })
+
+            this.pageContainers.forEach((container) => {
+                if (!container) return
+                container.classList.remove('has-active-match')
+            })
+            activePageContainers.forEach((container) => {
+                container.classList.add('has-active-match')
+            })
+        },
+
+        scheduleActiveHighlightRefresh() {
+            this.$nextTick(() => {
+                if (typeof window !== 'undefined' && window.requestAnimationFrame) {
+                    window.requestAnimationFrame(() => {
+                        this.updateCurrentResultActiveState()
+                    })
+                } else {
+                    this.updateCurrentResultActiveState()
+                }
+            })
         },
 
         goToPrevious() {
@@ -1171,6 +1198,7 @@ export default {
     0% {
         transform: rotate(0deg);
     }
+
     100% {
         transform: rotate(360deg);
     }
@@ -1196,9 +1224,18 @@ export default {
     border-radius: 2px;
 }
 
-.search-highlight.is-active {
+::v-deep .search-highlight.is-active,
-    background: rgba(32, 109, 255, 0.85);
+::v-deep .search-highlight.is-current {
+    background: #206dff !important;
     color: #ffffff;
+    box-shadow: 0 0 0 2px rgba(32, 109, 255, 0.35);
+    border-radius: 4px;
+    transition: background 0.2s ease, box-shadow 0.2s ease;
+}
+
+.pdf-page.has-active-match {
+    box-shadow: 0 0 0 3px rgba(32, 109, 255, 0.45), 0 12px 36px rgba(32, 109, 255, 0.18);
+    transition: box-shadow 0.3s ease;
 }
 
 .state-panel {