fix(visual): 1:1 banner/hero/modal + strip non-zibll card chrome

Align banner s-desc caption/scale-height, hero search pill and -40px cards, modal colorful header/spring scale; remove white/pink card borders and hover lifts across mainline surfaces.

assets/css/frontend/resource-meta/part-3.css

@@ -15,7 +15,7 @@
     margin: 16px 0;
     background: var(--surface-page, #fff);
     border: 1px solid var(--color-line, rgba(0,0,0,0.08));
-    border-radius: var(--radius-lg, 10px);
+    border-radius: var(--main-radius, var(--radius, 8px));
     box-shadow: 0 2px 12px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
     overflow: hidden;
 }