diff --git a/wp-content/themes/apus-theme/assets/css/cta-box-sidebar.css b/wp-content/themes/apus-theme/assets/css/cta-box-sidebar.css
index dd1598e2..1924899d 100644
--- a/wp-content/themes/apus-theme/assets/css/cta-box-sidebar.css
+++ b/wp-content/themes/apus-theme/assets/css/cta-box-sidebar.css
@@ -14,11 +14,41 @@
 
 .cta-box-sidebar {
     background: linear-gradient(135deg, #FF8600 0%, #FFB800 100%);
-    border-radius: 12px;
-    padding: 1.5rem;
-    box-shadow: 0 4px 12px rgba(255, 134, 0, 0.3);
-    position: sticky;
-    top: 5.5rem; /* Debajo del TOC sticky */
+    border-radius: 10px; /* Template: 10px */
+    padding: 1.25rem; /* Template: 1.25rem */
+    box-shadow: 0 6px 20px rgba(255, 133, 0, 0.3); /* Template: 6px 20px */
+    position: relative; /* Template: relative for ::before */
+    overflow: hidden; /* Template: overflow hidden */
+    transition: all 0.3s ease; /* Template: transition */
+    text-align: center; /* Template: center */
+}
+
+/* Template: Pseudo-element with pulse animation */
+.cta-box-sidebar::before {
+    content: '';
+    position: absolute;
+    top: -50%;
+    right: -50%;
+    width: 200%;
+    height: 200%;
+    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
+    animation: cta-pulse 4s ease-in-out infinite;
+}
+
+@keyframes cta-pulse {
+    0%, 100% {
+        transform: scale(1);
+        opacity: 0.4;
+    }
+    50% {
+        transform: scale(1.05);
+        opacity: 0.6;
+    }
+}
+
+.cta-box-sidebar:hover {
+    transform: translateY(-3px); /* Template: -3px */
+    box-shadow: 0 10px 28px rgba(255, 133, 0, 0.4); /* Template hover shadow */
 }
 
 /* ========================================
@@ -27,16 +57,21 @@
 
 .cta-box-title {
     color: #ffffff;
-    font-size: 1.1rem;
+    font-size: 1rem; /* Template: 1rem */
     font-weight: 700;
-    margin-bottom: 0.75rem;
+    margin-bottom: 0.65rem; /* Template: 0.65rem */
+    position: relative; /* Template: relative */
+    z-index: 1; /* Template: z-index 1 */
+    line-height: 1.3; /* Template: 1.3 */
 }
 
 .cta-box-text {
     color: rgba(255, 255, 255, 0.95);
-    font-size: 0.9rem;
+    font-size: 0.85rem; /* Template: 0.85rem */
     margin-bottom: 1rem;
-    line-height: 1.5;
+    line-height: 1.4; /* Template: 1.4 */
+    position: relative; /* Template: relative */
+    z-index: 1; /* Template: z-index 1 */
 }
 
 /* ========================================
@@ -47,17 +82,20 @@
     background: #ffffff;
     color: #FF8600;
     font-weight: 600;
-    padding: 0.75rem;
+    padding: 0.65rem 1.5rem; /* Template: 0.65rem 1.5rem */
     border-radius: 8px;
     border: none;
     transition: all 0.3s ease;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); /* Template shadow */
+    position: relative; /* Template: relative */
+    z-index: 1; /* Template: z-index 1 */
 }
 
 .btn-cta-box:hover {
-    background: rgba(255, 255, 255, 0.95);
-    transform: translateY(-2px);
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
-    color: #FF8600;
+    background: #f8f9fa; /* Template: #f8f9fa */
+    transform: scale(1.05); /* Template: scale(1.05) */
+    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2); /* Template hover shadow */
+    color: #FF6B35; /* Template: #FF6B35 */
 }
 
 .btn-cta-box:active {
diff --git a/wp-content/themes/apus-theme/assets/css/toc.css b/wp-content/themes/apus-theme/assets/css/toc.css
index 596e3715..072715d2 100644
--- a/wp-content/themes/apus-theme/assets/css/toc.css
+++ b/wp-content/themes/apus-theme/assets/css/toc.css
@@ -14,14 +14,19 @@
 
 .apus-toc {
     background: #f8f9fa;
-    border: 1px solid #dee2e6;
-    border-radius: 8px;
+    border: 1px solid #e9ecef;
+    border-radius: 12px; /* Template: 12px */
     padding: 1.5rem;
     margin: 2rem 0;
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
+    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); /* Template shadow */
     position: sticky;
     top: 5.5rem;
     z-index: 10;
+    transition: all 0.3s ease; /* Template: hover effect */
+}
+
+.apus-toc:hover {
+    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12); /* Template hover shadow */
 }
 
 .apus-toc-header {
@@ -30,15 +35,18 @@
     align-items: center;
     margin-bottom: 1rem;
     padding-bottom: 0.75rem;
-    border-bottom: 2px solid #dee2e6;
+    border-bottom: 3px solid #0d6efd; /* Template: 3px solid #0d6efd */
 }
 
 .apus-toc-title {
     font-size: 1.25rem;
-    font-weight: 600;
-    color: #212529;
+    font-weight: 700; /* Template: 700 */
+    color: #2c3e50; /* Template color */
     margin: 0;
     line-height: 1.2;
+    text-align: center; /* Template: center */
+    flex: 1; /* Para que ocupe todo el espacio disponible */
+    font-style: normal; /* Template: normal */
 }
 
 /* ========================================
@@ -170,20 +178,23 @@
    ======================================== */
 
 .apus-toc-link {
-    color: #212529;
+    color: #495057; /* Template color */
     text-decoration: none;
     display: block;
-    transition: color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
+    transition: all 0.3s ease; /* Template: all 0.3s ease */
     line-height: 1.5;
     position: relative;
-    padding: 0.25rem 0 0.25rem 1rem;
+    padding: 0.375rem 1rem; /* Template: 0.375rem 1rem */
     border-left: 3px solid transparent;
-    margin-left: -1rem;
+    border-radius: 4px; /* Template: 4px */
+    font-size: 0.95rem; /* Template: 0.95rem */
 }
 
 .apus-toc-link:hover {
+    background: linear-gradient(90deg, rgba(13, 110, 253, 0.08), transparent); /* Template gradient */
+    border-left-color: #0d6efd;
     color: #0d6efd;
-    transform: translateX(4px);
+    padding-left: 1.5rem; /* Template: 1.5rem */
 }
 
 .apus-toc-link:focus {
@@ -192,11 +203,12 @@
     border-radius: 2px;
 }
 
-/* Active link highlighting - Issue #55 */
+/* Active link highlighting - Template styles */
 .apus-toc-link.active {
+    background: linear-gradient(90deg, rgba(13, 110, 253, 0.12), transparent); /* Template gradient */
+    border-left-color: #0d6efd;
     color: #0d6efd;
     font-weight: 600;
-    border-left-color: #0d6efd;
 }
 
 /* ========================================