diff --git a/src/views/common/DocumentSearch.vue b/src/views/common/DocumentSearch.vue
index 8ee3c83..e86b92c 100644
--- a/src/views/common/DocumentSearch.vue
+++ b/src/views/common/DocumentSearch.vue
@@ -1,31 +1,36 @@
 <template>
     <div class="document-search">
         <div class="viewer-container">
-            <div class="floating-search">
-                <div class="search-toolbar">
-                    <div class="search-box">
-                        <el-input v-model="keyword" class="search-input" placeholder="输入关键字搜索" clearable
-                            @keyup.enter.native="handleSearch" @clear="resetSearch">
-                        </el-input>
-                        <button class="icon-btn search-icon" :disabled="searching" @click="handleSearch">
-                            <i class="el-icon-search" v-if="!searching"></i>
-                            <i class="el-icon-loading" v-else></i>
-                        </button>
-                    </div>
-                    <div class="search-status">
-                        <span class="result-indicator">{{ resultDisplay }}</span>
-                        <button class="icon-btn" :disabled="!searchResults.length" @click="goToPrevious">
-                            <i class="el-icon-arrow-up"></i>
-                        </button>
-                        <button class="icon-btn" :disabled="!searchResults.length" @click="goToNext">
-                            <i class="el-icon-arrow-down"></i>
-                        </button>
-                        <button class="icon-btn" :disabled="!keyword" @click="resetSearch">
-                            <i class="el-icon-close"></i>
-                        </button>
+            <transition name="slide-fade">
+                <div v-if="showSearchBar" class="floating-search">
+                    <div class="search-toolbar" :class="{ 'is-searching': searching }">
+                        <div class="search-box">
+                            <el-input v-model="keyword" class="search-input" placeholder="输入关键字搜索" clearable
+                                ref="keywordInput" @keyup.enter.native="handleSearch" @clear="resetSearch">
+                            </el-input>
+                            <button class="icon-btn search-icon" :disabled="searching" @click="handleSearch">
+                                <i class="el-icon-search" v-if="!searching"></i>
+                                <i class="el-icon-loading" v-else></i>
+                            </button>
+                        </div>
+                        <div class="search-status">
+                            <span class="result-indicator">{{ resultDisplay }}</span>
+                            <button class="icon-btn" :disabled="!searchResults.length" @click="goToPrevious">
+                                <i class="el-icon-arrow-up"></i>
+                            </button>
+                            <button class="icon-btn" :disabled="!searchResults.length" @click="goToNext">
+                                <i class="el-icon-arrow-down"></i>
+                            </button>
+                            <button class="icon-btn" @click="handleCloseSearch">
+                                <i class="el-icon-close"></i>
+                            </button>
+                        </div>
                     </div>
                 </div>
-            </div>
+            </transition>
+            <button v-if="!showSearchBar" class="floating-search-btn" @click="toggleSearchBar">
+                <i class="el-icon-search"></i>
+            </button>
             <div ref="pdfWrapper" class="pdf-wrapper"></div>
 
             <transition name="fade">
@@ -77,7 +82,8 @@ export default {
         fileUrl: {
             type: String,
             default: ''
-        }
+        },
+        showSearchBar: true
     },
     computed: {
         overlayType() {
@@ -178,6 +184,19 @@ export default {
         },
     },
     methods: {
+        toggleSearchBar() {
+            this.showSearchBar = true
+            this.$nextTick(() => {
+                if (this.$refs.keywordInput) {
+                    this.$refs.keywordInput.focus()
+                }
+            })
+        },
+        handleCloseSearch() {
+            this.keyword = ''
+            this.resetSearch()
+            this.showSearchBar = false
+        },
         applyPdfUrl(url) {
             const resolved = url || ''
             if (resolved === this.pdfUrl) {
@@ -1156,10 +1175,35 @@ export default {
     right: 20px;
     width: auto;
     max-width: calc(100% - 40px);
-    z-index: 5;
+    z-index: 6;
     pointer-events: none;
 }
 
+.floating-search-btn {
+    position: absolute;
+    top: 20px;
+    right: 20px;
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    border: none;
+    background: #2b68ff;
+    color: #fff;
+    font-size: 18px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    box-shadow: 0 10px 26px rgba(31, 114, 234, 0.25);
+    cursor: pointer;
+    transition: transform 0.2s ease, box-shadow 0.2s ease;
+    z-index: 5;
+}
+
+.floating-search-btn:hover {
+    transform: translateY(-1px);
+    box-shadow: 0 12px 30px rgba(31, 114, 234, 0.3);
+}
+
 .search-toolbar {
     display: flex;
     align-items: center;
@@ -1170,6 +1214,48 @@ export default {
     box-shadow: 0 8px 26px rgba(31, 114, 234, 0.18);
     border: 1px solid rgba(226, 231, 239, 0.8);
     pointer-events: auto;
+    position: relative;
+    overflow: hidden;
+}
+
+.search-toolbar::after {
+    content: '';
+    position: absolute;
+    inset: 4px;
+    border-radius: 999px;
+    border: 1px solid transparent;
+    pointer-events: none;
+}
+
+.search-toolbar.is-searching::after {
+    border-color: rgba(43, 104, 255, 0.4);
+    animation: search-pulse 1.2s ease-in-out infinite;
+}
+
+@keyframes search-pulse {
+    0% {
+        opacity: 0.25;
+        transform: scale(0.98);
+    }
+    50% {
+        opacity: 1;
+        transform: scale(1);
+    }
+    100% {
+        opacity: 0.25;
+        transform: scale(0.98);
+    }
+}
+
+.slide-fade-enter-active,
+.slide-fade-leave-active {
+    transition: opacity 0.2s ease, transform 0.2s ease;
+}
+
+.slide-fade-enter,
+.slide-fade-leave-to {
+    opacity: 0;
+    transform: translateY(-6px);
 }
 
 .search-box {