增加线上配置分享功能+用户后台登录，不影响首页渲染

pages/index/index.wxss

@@ -21,67 +21,24 @@ page {
   line-height: 1;
 }
 
-/* loading 遮罩 */
-.loading-mask {
-  position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  background: #f0f5fa;
+/* 登录失败提示条（不遮挡页面） */
+.login-fail-bar {
   display: flex;
-  flex-direction: column;
   align-items: center;
-  justify-content: center;
-  z-index: 999;
-}
-
-.loading-spinner {
-  width: 64rpx;
-  height: 64rpx;
-  border: 6rpx solid #dbeafe;
-  border-top: 6rpx solid #5b9bd5;
-  border-radius: 50%;
-  animation: spin 0.8s linear infinite;
-  margin-bottom: 24rpx;
-}
-
-@keyframes spin {
-  from { transform: rotate(0deg); }
-  to { transform: rotate(360deg); }
-}
-
-.loading-text {
-  font-size: 28rpx;
-  color: #7f8fa6;
-  letter-spacing: 2rpx;
-}
-
-/* 登录失败 */
-.fail-icon {
-  font-size: 80rpx;
+  justify-content: space-between;
+  background: #fff3e0;
+  color: #e6a23c;
+  font-size: 24rpx;
+  padding: 16rpx 24rpx;
+  border-radius: 12rpx;
   margin-bottom: 20rpx;
 }
 
-.fail-text {
-  font-size: 28rpx;
-  color: #7f8fa6;
-  margin-bottom: 32rpx;
-}
-
-.retry-btn {
-  font-size: 28rpx;
-  color: #fff;
-  background: linear-gradient(135deg, #5b9bd5, #4a8bc2);
-  padding: 16rpx 56rpx;
-  border-radius: 40rpx;
+.login-fail-bar .retry-link {
+  color: #5b9bd5;
   font-weight: 600;
-  letter-spacing: 2rpx;
-  box-shadow: 0 4rpx 16rpx rgba(91, 155, 213, 0.3);
-}
-
-.retry-btn:active {
-  opacity: 0.85;
+  flex-shrink: 0;
+  margin-left: 20rpx;
 }
 
 .header-title {