chore: clean up mobile test files and update components

src/app/globals.css

@@ -38,9 +38,9 @@
   
   /* 文字色系 - 墨色层次 */
   --color-text-primary: #1C1C1C;
-  --color-text-secondary: #2D2D2D;
-  --color-text-tertiary: #4A4A4A;
-  --color-text-muted: #6B6B6B;
+  --color-text-secondary: #3D3D3D;
+  --color-text-tertiary: #5C5C5C;
+  --color-text-muted: #8C8C8C;
   
   /* 边框色系 */
   --color-border-primary: #E5E5E5;
@@ -211,38 +211,12 @@
   
   input:focus, textarea:focus {
     outline: none;
-    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.3);
-  }
-  
-  button:focus-visible, a:focus-visible {
-    outline: 2px solid #C41E3A;
-    outline-offset: 2px;
   }
   
   ::selection {
     background-color: var(--color-text-primary);
     color: var(--color-bg-primary);
   }
-  
-  @media (prefers-contrast: high) {
-    :root {
-      --color-text-primary: #000000;
-      --color-text-secondary: #1A1A1A;
-      --color-text-tertiary: #2A2A2A;
-      --color-border-primary: #000000;
-      --color-border-secondary: #1A1A1A;
-    }
-  }
-  
-  @media (prefers-reduced-motion: reduce) {
-    *,
-    *::before,
-    *::after {
-      animation-duration: 0.01ms !important;
-      animation-iteration-count: 1 !important;
-      transition-duration: 0.01ms !important;
-    }
-  }
 }
 
 @layer utilities {