fix(mobile-uni): 优化 AskSourceHeader 390px 视口间距，保证顶栏三个区域舒展平铺

mobile-uni/src/components/chat/AskSourceHeader.vue

@@ -74,44 +74,45 @@ const selectWeb = () => {
 
 .compact-header-row {
   display: flex;
-  height: 40px;
+  height: 38px;
   align-items: center;
   justify-content: space-between;
-  gap: 8px;
+  gap: 6px;
 }
 
 .brand-box {
   display: flex;
   align-items: center;
-  gap: 6px;
+  gap: 5px;
   flex: none;
 }
 
 .brand-name {
   color: #1a1a1a;
-  font-size: 16px;
+  font-size: 15px;
   font-weight: 800;
+  letter-spacing: -0.2px;
 }
 
 .status-pill {
   display: flex;
   align-items: center;
-  gap: 4px;
-  padding: 2px 6px;
+  gap: 3px;
+  padding: 1px 5px;
   border-radius: 999px;
   background: #edf7f0;
 }
 
 .green-dot {
-  width: 6px;
-  height: 6px;
+  width: 5px;
+  height: 5px;
   border-radius: 50%;
   background: #10b981;
-  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
+  box-shadow: 0 0 4px rgba(16, 185, 129, 0.6);
 }
 
 .status-text {
-  font-size: 10px;
+  font-size: 9px;
   font-weight: 700;
   color: #10b981;
 }
@@ -119,7 +120,7 @@ const selectWeb = () => {
 .source-switch {
   display: flex;
   align-items: center;
-  padding: 3px;
+  padding: 2px;
   border-radius: 999px;
   background: #f1f3f7;
   flex: none;
@@ -129,8 +130,8 @@ const selectWeb = () => {
   display: flex;
   align-items: center;
   justify-content: center;
-  height: 30px;
-  padding: 0 12px;
+  height: 28px;
+  padding: 0 10px;
   border: none;
   border-radius: 999px;
   background: transparent;
@@ -144,7 +145,7 @@ const selectWeb = () => {
 .source-option.active {
   background: #ffffff;
   color: #e60012;
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
+  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
 }
 
 .source-option::after,
@@ -155,9 +156,9 @@ const selectWeb = () => {
 .new-chat-btn {
   display: flex;
   align-items: center;
-  gap: 3px;
-  height: 30px;
-  padding: 0 10px;
+  gap: 2px;
+  height: 28px;
+  padding: 0 8px;
   border: 1px solid rgba(230, 0, 18, 0.2);
   border-radius: 999px;
   background: #fff5f5;
@@ -170,7 +171,7 @@ const selectWeb = () => {
 }
 
 .new-chat-text {
-  font-size: 12px;
+  font-size: 11px;
   font-weight: 800;
   color: #e60012;
 }