fix: [brochure] v4 1page Before/After 카드 하단 텍스트 넘침 수정

- Before/After 카드 padding 5pt → 5pt 6pt 8pt 6pt로 하단 여백 확대
- PPTX 폰트 렌더링 차이로 마지막 줄이 카드 경계를 벗어나는 문제 해결

sam/docs/brochure-v4/slides/brochure-dashboard-1page.html

@@ -309,7 +309,7 @@
   <!-- Before → After 인포그래픽 -->
   <div style="display: flex; gap: 4pt; margin-bottom: 9pt;">
     <!-- Before -->
-    <div style="flex: 5; background: rgba(239,68,68,0.04); border: 1pt solid rgba(239,68,68,0.1); border-radius: 5pt; padding: 5pt 6pt;">
+    <div style="flex: 5; background: rgba(239,68,68,0.04); border: 1pt solid rgba(239,68,68,0.1); border-radius: 5pt; padding: 5pt 6pt 8pt 6pt;">
       <div style="display: flex; align-items: center; gap: 3pt; margin-bottom: 3pt;">
         <svg viewBox="0 0 14 14" width="8pt" height="8pt" xmlns="http://www.w3.org/2000/svg">
           <circle cx="7" cy="7" r="5.5" fill="none" stroke="#EF4444" stroke-width="1"/>
@@ -328,7 +328,7 @@
       </svg>
     </div>
     <!-- After -->
-    <div style="flex: 5; background: rgba(16,185,129,0.04); border: 1pt solid rgba(16,185,129,0.1); border-radius: 5pt; padding: 5pt 6pt;">
+    <div style="flex: 5; background: rgba(16,185,129,0.04); border: 1pt solid rgba(16,185,129,0.1); border-radius: 5pt; padding: 5pt 6pt 8pt 6pt;">
       <div style="display: flex; align-items: center; gap: 3pt; margin-bottom: 3pt;">
         <svg viewBox="0 0 14 14" width="8pt" height="8pt" xmlns="http://www.w3.org/2000/svg">
           <circle cx="7" cy="7" r="5.5" fill="none" stroke="#10B981" stroke-width="1"/>