feat(footer): 添加速维云支持标识

- 在经典皮肤页脚中添加速维云支持的展示区域
- 在移动皮肤页脚中添加速维云支持的展示区域
- 实现速维云标识的点击跳转功能
- 添加速维云相关的样式和图标显示
- 保持与现有抓鱼丫标识的布局一致性

Author: csfwff

src/main/resources/skins/classic/footer.ftl

@@ -33,6 +33,15 @@
                 </div>
             </div>
             <div style="display: inline-block; width: 5px"></div>
+            <div class="ft-smaller" style="display: inline-block">
+                <div onclick="window.open('https://www.svyun.com/')" style="text-align: center;padding: 8px 0px;color: #ff6000;background-color: #ffefc3c9;line-height: 20px;border-radius: 12px;width: 175px;margin-bottom: 15px;cursor: pointer;">
+                    <div>
+                        <img style="vertical-align:-3px;width: 14px;height: 14px;" src="https://file.fishpi.cn/2025/11/09fa5df84a83a0e2bf9edcfed93655e01760763018gwsy1-cea09de1.png">&nbsp;&nbsp;<span style="font-weight: 600">云集群由速维云支持</span><br>
+                        <span style="color: #323232;">速维云，安全可靠的云服务</span>
+                    </div>
+                </div>
+            </div>
+            <div style="display: inline-block; width: 5px"></div>
             <div class="ft-smaller" style="display: inline-block">
                 <div onclick="window.open('https://zhuayuya.com/')" style="text-align: center;padding: 8px 0px;color: #39b362;background-color: #d9ffcfc9;line-height: 20px;border-radius: 12px;width: 175px;margin-bottom: 15px;cursor: pointer;">
                     <div>

src/main/resources/skins/mobile/footer.ftl

@@ -70,6 +70,15 @@
             </div>
         </div>
         <br>
+        <div class="ft-smaller" style="display: inline-block">
+            <div onclick="window.open('https://www.svyun.com/')" style="text-align: center;padding: 8px 0px;color: #ff6000;background-color: #ffefc3c9;line-height: 20px;border-radius: 12px;width: 175px;margin-bottom: 15px;cursor: pointer;">
+                <div>
+                    <img style="vertical-align:-3px;width: 14px;height: 14px;" src="https://file.fishpi.cn/2025/11/09fa5df84a83a0e2bf9edcfed93655e01760763018gwsy1-cea09de1.png">&nbsp;&nbsp;<span style="font-weight: 600">云集群由速维云支持</span><br>
+                    <span style="color: #323232;">速维云，安全可靠的云服务</span>
+                </div>
+            </div>
+        </div>
+        <br>
         <div class="ft-smaller" style="display: inline-block">
             <div onclick="window.open('https://zhuayuya.com/')" style="text-align: center;padding: 8px 0px;color: #39b362;background-color: #d9ffcfc9;line-height: 20px;border-radius: 12px;width: 175px;margin-bottom: 15px;cursor: pointer;">
                 <div>