diff --git a/404.html b/404.html
index bdeecb4..6669dae 100644
--- a/404.html
+++ b/404.html
@@ -163,7 +163,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -177,50 +176,44 @@
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/categories/index.html b/categories/index.html
index fb6920c..e6f9999 100644
--- a/categories/index.html
+++ b/categories/index.html
@@ -169,7 +169,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -183,50 +182,44 @@
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/index.html b/index.html
index 3e7696e..e8fadf1 100644
--- a/index.html
+++ b/index.html
@@ -192,7 +192,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -206,50 +205,44 @@
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/rapidlinks/快速链接/index.html b/rapidlinks/快速链接/index.html
index b264bd4..4743d14 100644
--- a/rapidlinks/快速链接/index.html
+++ b/rapidlinks/快速链接/index.html
@@ -327,7 +327,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -341,50 +340,44 @@
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/ratings/index.html b/ratings/index.html
index e1f92b4..c5b044c 100644
--- a/ratings/index.html
+++ b/ratings/index.html
@@ -217,7 +217,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -231,50 +230,44 @@
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/c语言/index.html b/resources/c语言/index.html
index 68cac34..99bb8d5 100644
--- a/resources/c语言/index.html
+++ b/resources/c语言/index.html
@@ -328,7 +328,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -342,50 +341,44 @@
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/index.html b/resources/index.html
index 9da04cc..5d54f3e 100644
--- a/resources/index.html
+++ b/resources/index.html
@@ -356,7 +356,6 @@ Edge或Chrome浏览器如果加载不出PDF预览，直接右键PDF区域选择
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -370,50 +369,44 @@ Edge或Chrome浏览器如果加载不出PDF预览，直接右键PDF区域选择
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/page/2/index.html b/resources/page/2/index.html
index 9392557..df519bb 100644
--- a/resources/page/2/index.html
+++ b/resources/page/2/index.html
@@ -328,7 +328,6 @@ Edge或Chrome浏览器如果加载不出PDF预览，直接右键PDF区域选择
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -342,50 +341,44 @@ Edge或Chrome浏览器如果加载不出PDF预览，直接右键PDF区域选择
     
 <style>
     #ember-container {
-    position: relative;
-    display: inline-block;
-    cursor: pointer;
-}
-
-#qr-code {
-    position: absolute;
-    bottom: 100%;
-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    opacity: 0;
-    visibility: hidden;
-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
-}
-
-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/protocol/index.html b/resources/protocol/index.html
index f520624..23d10f6 100644
--- a/resources/protocol/index.html
+++ b/resources/protocol/index.html
@@ -246,7 +246,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
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-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
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-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
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-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/大化/index.html b/resources/大化/index.html
index 46209d5..459cec5 100644
--- a/resources/大化/index.html
+++ b/resources/大化/index.html
@@ -328,7 +328,6 @@
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-            <div class="qr-text">联系网站管理员</div> 
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@@ -342,50 +341,44 @@
     
 <style>
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-    background-color: #fff;
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-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
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-.qr-text {
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-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
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-#qr-code img {
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/大物活页/index.html b/resources/大物活页/index.html
index 20fb32f..5c639a0 100644
--- a/resources/大物活页/index.html
+++ b/resources/大物活页/index.html
@@ -328,7 +328,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
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@@ -342,50 +341,44 @@
     
 <style>
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-    padding: 10px;
-    background-color: #fff;
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-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
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-    text-align: center;  
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-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/孙子兵法/index.html b/resources/孙子兵法/index.html
index 9183464..a136cc8 100644
--- a/resources/孙子兵法/index.html
+++ b/resources/孙子兵法/index.html
@@ -313,7 +313,6 @@
     <span id="ember-container">
         Ember
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-            <div class="qr-text">联系网站管理员</div> 
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@@ -327,50 +326,44 @@
     
 <style>
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/工图习题/index.html b/resources/工图习题/index.html
index f01426c..4a98dec 100644
--- a/resources/工图习题/index.html
+++ b/resources/工图习题/index.html
@@ -309,7 +309,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
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@@ -323,50 +322,44 @@
     
 <style>
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/数值分析/index.html b/resources/数值分析/index.html
index 175c636..7b31432 100644
--- a/resources/数值分析/index.html
+++ b/resources/数值分析/index.html
@@ -384,7 +384,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
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@@ -398,50 +397,44 @@
     
 <style>
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-.qr-text {
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/新通用教师用书1/index.html b/resources/新通用教师用书1/index.html
index d2286ff..9bd4790 100644
--- a/resources/新通用教师用书1/index.html
+++ b/resources/新通用教师用书1/index.html
@@ -320,7 +320,6 @@
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         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
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@@ -334,50 +333,44 @@
     
 <style>
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-.qr-text {
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/概率论/index.html b/resources/概率论/index.html
index 8c5abfe..12ca3e7 100644
--- a/resources/概率论/index.html
+++ b/resources/概率论/index.html
@@ -329,7 +329,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
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@@ -343,50 +342,44 @@
     
 <style>
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/概率论习题/index.html b/resources/概率论习题/index.html
index c9240b3..f74a1cb 100644
--- a/resources/概率论习题/index.html
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@@ -328,7 +328,6 @@
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         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
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@@ -342,50 +341,44 @@
     
 <style>
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/毛概复习指南/index.html b/resources/毛概复习指南/index.html
index 492cfdf..6aa040a 100644
--- a/resources/毛概复习指南/index.html
+++ b/resources/毛概复习指南/index.html
@@ -313,7 +313,6 @@
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-            <div class="qr-text">联系网站管理员</div> 
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@@ -327,50 +326,44 @@
     
 <style>
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-    left: 50%;
-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
-    display: flex;
-    flex-direction: column;
-    align-items: center;
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-    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
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-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
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-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/画法几何ppt/index.html b/resources/画法几何ppt/index.html
index e7ab456..5722f5e 100644
--- a/resources/画法几何ppt/index.html
+++ b/resources/画法几何ppt/index.html
@@ -309,7 +309,6 @@
     <span id="ember-container">
         Ember
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-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
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@@ -323,50 +322,44 @@
     
 <style>
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-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
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-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
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-.qr-text {
-    margin-bottom: 1.5px;  
-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
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-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/线性代数/index.html b/resources/线性代数/index.html
index e0659cd..56d4867 100644
--- a/resources/线性代数/index.html
+++ b/resources/线性代数/index.html
@@ -481,7 +481,6 @@
     <span id="ember-container">
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         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
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@@ -495,50 +494,44 @@
     
 <style>
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-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
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-.qr-text {
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-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
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-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/食品安全/index.html b/resources/食品安全/index.html
index 06ae011..b429856 100644
--- a/resources/食品安全/index.html
+++ b/resources/食品安全/index.html
@@ -313,7 +313,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
         </div>
     </span>
@@ -327,50 +326,44 @@
     
 <style>
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-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
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-.qr-text {
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-    text-align: center;  
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-#qr-code img {
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-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/高数/index.html b/resources/高数/index.html
index 9413019..f618706 100644
--- a/resources/高数/index.html
+++ b/resources/高数/index.html
@@ -345,7 +345,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
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@@ -359,50 +358,44 @@
     
 <style>
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-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
-    height: 210px;  
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-.qr-text {
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-    color: #333;  
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-    text-align: center;  
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-#qr-code img {
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/resources/高数习题/index.html b/resources/高数习题/index.html
index f9865dc..3fc1c0e 100644
--- a/resources/高数习题/index.html
+++ b/resources/高数习题/index.html
@@ -333,7 +333,6 @@
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         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
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@@ -347,50 +346,44 @@
     
 <style>
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-    padding: 10px;
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-    border: 1px solid #ccc;
-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
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-.qr-text {
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/search/index.html b/search/index.html
index c7735ec..37405d6 100644
--- a/search/index.html
+++ b/search/index.html
@@ -225,7 +225,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
             <img src="https://www.xn--xhq44jb2fzpc.com/qrcode/ember.png" alt="QR Code" />
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@@ -239,50 +238,44 @@
     
 <style>
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-    transform: translateX(-50%);
-    padding: 10px;
-    background-color: #fff;
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-    border-radius: 10px;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
-    width: 200px;
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-.qr-text {
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-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>
diff --git a/tags/index.html b/tags/index.html
index 8583752..8074a92 100644
--- a/tags/index.html
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@@ -169,7 +169,6 @@
     <span id="ember-container">
         Ember
         <div id="qr-code" class="hidden">
-            <div class="qr-text">联系网站管理员</div> 
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@@ -183,50 +182,44 @@
     
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-    border-radius: 10px;
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-    color: #333;  
-    font-size: 14px;  
-    text-align: center;  
-}
-
-#qr-code img {
-    max-width: 100%;
-    max-height: 100%;
-    border-radius: 10px;
-}
-
-#ember-container:hover #qr-code,
-#ember-container:focus #qr-code {
-    opacity: 1;
-    visibility: visible;
-}
-</style>
+        position: relative;
+        display: inline-block;
+        cursor: pointer;
+    }
+    
+    #qr-code {
+        position: absolute;
+        bottom: 100%;
+        left: 50%;
+        transform: translateX(-50%);
+        padding: 10px;
+        background-color: #fff;
+        border: 1px solid #ccc;
+        border-radius: 10px;
+        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+        width: 200px;  
+        height: 200px;  
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        opacity: 0;
+        visibility: hidden;
+        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
+    }
+    
+    #qr-code img {
+        max-width: 100%;  
+        max-height: 100%;  
+        border-radius: 10px;
+    }
+    
+    #ember-container:hover #qr-code,
+    #ember-container:focus #qr-code {
+        opacity: 1;
+        visibility: visible;
+    }
+    </style>
+    
 
 
 <script>