.page-khuyen-mai { color: #333333; font-family: Arial, Helvetica, sans-serif; line-height: 1.6; }
.page-khuyen-mai h1, .page-khuyen-mai h2, .page-khuyen-mai h3 { color: #26A9E0; margin: 0 0 12px; }
.page-khuyen-mai a { color: #26A9E0; text-decoration: none; }
.page-khuyen-mai a:hover { text-decoration: underline; }
.page-khuyen-mai__hero-section { width: 100%; padding-top: 10px; margin-top: 0; display: flex; flex-direction: column; gap: 16px; background: #FFFFFF; }
.page-khuyen-mai__hero-image-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; box-sizing: border-box; }
.page-khuyen-mai__hero-image { width: 100%; height: auto; display: block; border-radius: 12px; }
.page-khuyen-mai__hero-content { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px 16px; box-sizing: border-box; }
.page-khuyen-mai__hero-title { font-weight: 700; line-height: 1.25; letter-spacing: 0.2px; max-width: 900px; }
.page-khuyen-mai__hero-desc { font-size: 1rem; color: #333333; max-width: 800px; }
.page-khuyen-mai__hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; width: 100%; box-sizing: border-box; }
.page-khuyen-mai__btn { display: inline-block; padding: 12px 22px; border-radius: 8px; font-weight: 700; text-align: center; box-sizing: border-box; max-width: 100%; white-space: normal; word-wrap: break-word; transition: opacity 0.2s ease; }
.page-khuyen-mai__btn:hover { opacity: 0.9; text-decoration: none; }
.page-khuyen-mai__btn--primary { background: #26A9E0; color: #FFFFFF; }
.page-khuyen-mai__btn--secondary { background: #EA7C07; color: #FFFFFF; }
.page-khuyen-mai__banner-section { max-width: 1200px; margin: 20px auto; padding: 0 16px; box-sizing: border-box; }
.page-khuyen-mai__banner-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.page-khuyen-mai__banner-thumb { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; display: block; border-radius: 10px; }
.page-khuyen-mai__intro-section, .page-khuyen-mai__posts-section, .page-khuyen-mai__promo-section, .page-khuyen-mai__list-section, .page-khuyen-mai__faq-section, .page-khuyen-mai__cta-section { max-width: 1200px; margin: 0 auto; padding: 28px 16px; box-sizing: border-box; }
.page-khuyen-mai__section-title { font-size: 1.6rem; margin-bottom: 16px; }
.page-khuyen-mai__intro-section p { color: #333333; margin-bottom: 12px; }
.page-khuyen-mai__posts-track { display: flex; gap: 16px; overflow: hidden; }
.page-khuyen-mai__post-card { flex: 0 0 calc(25% - 12px); background: #FFFFFF; border: 1px solid #e5eef3; border-radius: 12px; padding: 12px; box-sizing: border-box; }
.page-khuyen-mai__post-img { width: 100%; height: auto; object-fit: cover; display: block; border-radius: 8px; }
.page-khuyen-mai__post-title { font-size: 1.05rem; margin: 10px 0 6px; }
.page-khuyen-mai__post-desc { font-size: 0.92rem; color: #333333; margin-bottom: 10px; }
.page-khuyen-mai__post-link { display: inline-block; font-weight: 700; color: #EA7C07; }
.page-khuyen-mai__posts-controls { display: flex; gap: 10px; justify-content: flex-end; margin-top: 14px; }
.page-khuyen-mai__posts-arrow { background: #26A9E0; color: #FFFFFF; border: none; border-radius: 8px; width: 44px; height: 44px; font-size: 1.1rem; cursor: pointer; }
.page-khuyen-mai__promo-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.page-khuyen-mai__promo-img { width: 100%; height: auto; display: block; border-radius: 12px; }
.page-khuyen-mai__promo-title { font-size: 1.25rem; }
.page-khuyen-mai__promo-text p { color: #333333; }
.page-khuyen-mai__list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.page-khuyen-mai__list-item { background: #FFFFFF; border: 1px solid #e5eef3; border-radius: 12px; padding: 14px; box-sizing: border-box; }
.page-khuyen-mai__list-img { width: 100%; height: auto; object-fit: cover; display: block; border-radius: 8px; }
.page-khuyen-mai__list-title { font-size: 1.1rem; margin: 10px 0 6px; }
.page-khuyen-mai__list-item p { color: #333333; font-size: 0.95rem; }
.page-khuyen-mai__overlay-section { width: 100%; position: relative; overflow: hidden; min-height: 280px; display: flex; align-items: center; justify-content: center; text-align: center; margin: 12px 0; }
.page-khuyen-mai__overlay-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.page-khuyen-mai__overlay-mask { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.55); z-index: 1; }
.page-khuyen-mai__overlay-content { position: relative; z-index: 2; padding: 28px 16px; max-width: 900px; margin: 0 auto; color: #FFFFFF; }
.page-khuyen-mai__overlay-title { color: #FFFFFF; font-size: 1.6rem; }
.page-khuyen-mai__overlay-desc { color: #FFFFFF; margin-bottom: 16px; }
.page-khuyen-mai__faq-list { display: grid; gap: 12px; }
.page-khuyen-mai__faq-item { border: 1px solid #e5eef3; border-radius: 10px; overflow: hidden; background: #FFFFFF; }
.page-khuyen-mai__faq-question { width: 100%; text-align: left; padding: 14px 16px; background: #f2f8fc; border: none; font-size: 1rem; font-weight: 700; color: #333333; cursor: pointer; }
.page-khuyen-mai__faq-answer { display: none; padding: 0 16px 14px; color: #333333; }
.page-khuyen-mai__faq-item.is-open .page-khuyen-mai__faq-answer { display: block; }
.page-khuyen-mai__cta-section { text-align: center; }
.page-khuyen-mai__cta-img { width: 100%; height: auto; display: block; border-radius: 12px; margin-bottom: 16px; }
.page-khuyen-mai__cta-title { font-size: 1.6rem; }
.page-khuyen-mai__cta-desc { color: #333333; }
.page-khuyen-mai__cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 16px; width: 100%; box-sizing: border-box; }
@media (min-width: 769px) {
  .page-khuyen-mai__promo-grid { grid-template-columns: 1fr 1fr; align-items: center; }
}
@media (max-width: 768px) {
  .page-khuyen-mai { max-width: 100%; overflow-x: hidden; }
  .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
  .page-khuyen-mai__hero-section { padding-top: 8px; }
  .page-khuyen-mai__banner-thumbs { grid-template-columns: repeat(2, 1fr); }
  .page-khuyen-mai__post-card { flex-basis: 100%; }
  .page-khuyen-mai__posts-track { overflow-x: auto; }
  .page-khuyen-mai__list-grid { grid-template-columns: 1fr; }
  .page-khuyen-mai__hero-actions, .page-khuyen-mai__cta-actions { flex-direction: column; align-items: stretch; }
  .page-khuyen-mai__btn { width: 100%; max-width: 100%; }
  .page-khuyen-mai__section-title { font-size: 1.3rem; }
  .page-khuyen-mai__overlay-title { font-size: 1.3rem; }
  .page-khuyen-mai__cta-title { font-size: 1.3rem; }
}