/* ===== PPTX HTML 渲染样式 ===== */
.slide { margin-bottom: 24px; padding: 16px 20px; background: #fff; border-radius: 20px; border: 1px solid #f0e8f0; }
.s-title { font-size: 1.4rem; font-weight: 700; color: #b34180; margin: 0 0 10px; }
.s-heading { font-size: 1.15rem; font-weight: 700; color: #4a2a5e; margin: 14px 0 6px; border-bottom: 2px solid #e8e0f0; padding-bottom: 6px; }
.s-rule { font-size: 1.05rem; font-weight: 700; color: #6a1b9a; margin: 10px 0 4px; }
.s-subrule { font-weight: 700; color: #4a2a5e; margin: 8px 0 3px; }
.s-bold { font-weight: 700; color: #2d1b3d; }
.s-text { font-size: 0.95rem; line-height: 1.8; color: #2d1b3d; margin: 2px 0; }
.s-color { color: #c62828; }
.s-table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 0.9rem; }
.s-table td { padding: 8px 12px; border: 1px solid #e8e0f0; vertical-align: top; }
.s-table tr:first-child td { background: #f3e5f5; font-weight: 700; color: #4a2a5e; }
.s-img { max-width: 100%; border-radius: 12px; margin: 8px 0; }
@media (min-width: 768px) {
  .s-title { font-size: 1.6rem; }
  .s-heading { font-size: 1.3rem; }
  .s-text { font-size: 1.05rem; }
}