refactor(header): unify top icon-cards on single zib-widget path

assets/css/frontend/base.css

@@ -37,15 +37,6 @@ body {
   background-color: var(--surface-page);
 }
 
-/* Shared horizontal icon-card contract.
- * Header components and widget areas use different layout wrappers, but the
- * card itself must retain the compact Zibll proportions in every context. */
-.icon-cover-card.aksrt-icon-cover-card {
-  padding: 10px;
-  font-size: 16px;
-  line-height: 1.6;
-}
-
 /* zibll compat: global link composite transition */
 a[href] {
   transition: color 0.2s, background 0.3s, opacity 0.3s, box-shadow 0.3s, transform 0.3s;
@@ -100,8 +91,7 @@ main.container,
 
 /* Header multifunc icon cards need horizontal gutter (zibll content rows).
  * Global .container padding is 0 for dual-column float math. */
-.header-slider-card.container,
-.header-components-card.container {
+.header-slider-card.container {
   padding-left: 15px;
   padding-right: 15px;
   box-sizing: border-box;