优化登录页：标题完整显示+渐变色设计

jshERP-web/src/components/layouts/UserLayout.vue

@@ -193,7 +193,7 @@
         background-size: 100%;
         position: relative;
         width: 340px;
-        height: 460px;
+        height: 500px;
         background: rgba(255, 255, 255, 1);
         border-radius: 8px;
         right: 0;
@@ -212,24 +212,28 @@
           text-align: center;
 
           .header {
-            height: 44px;
-            line-height: 44px;
-            margin-top: 35px;
-            margin-bottom: 35px;
+            height: auto;
+            line-height: 1.3;
+            margin-top: 30px;
+            margin-bottom: 30px;
+            text-align: center;
             .title {
-              font-size: 35px;
-              color: #666;
+              font-size: 28px;
+              background: linear-gradient(135deg, #1890ff, #722ed1);
+              -webkit-background-clip: text;
+              -webkit-text-fill-color: transparent;
+              background-clip: text;
               font-family: "Chinese Quote", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
               font-weight: 700;
-              position: relative;
-              top: 2px;
+              letter-spacing: 1px;
+              display: inline;
             }
             .desc {
-              font-size: 16px;
-              color: #666;
-              margin-top: 12px;
-              margin-left: 10px;
-              margin-bottom: 40px;
+              font-size: 14px;
+              color: #999;
+              margin-top: 4px;
+              margin-left: 8px;
+              display: inline;
             }
           }
         }