.page-khuyen-mai { color: #333333; }
.page-khuyen-mai__hero-section { background: #f0f8ff; display: flex; flex-direction: column; padding: 10px 16px 0; }
.page-khuyen-mai__hero-image-wrap { width: 100%; max-width: 1200px; margin: 0 auto; }
.page-khuyen-mai__hero-image { width: 100%; max-width: 1200px; height: auto; aspect-ratio: 17/5; object-fit: cover; border-radius: 12px; display: block; }
.page-khuyen-mai__hero-content { text-align: center; padding: 24px 12px 32px; }
.page-khuyen-mai__hero-title { font-size: clamp(1.5rem, 2.8vw, 2.4rem); font-weight: 800; line-height: 1.3; color: #0b4f6c; letter-spacing: -0.02em; max-width: 900px; margin: 0 auto 12px; }
.page-khuyen-mai__hero-description { max-width: 750px; margin: 0 auto 20px; font-size: 1rem; line-height: 1.7; color: #333333; }
.page-khuyen-mai__hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.page-khuyen-mai__btn { display: inline-block; padding: 12px 28px; border-radius: 999px; font-weight: 800; font-size: 1rem; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
.page-khuyen-mai__btn--primary { background: #26A9E0; color: #ffffff; }
.page-khuyen-mai__btn--primary:hover { background: #1f8ab8; transform: translateY(-2px); }
.page-khuyen-mai__btn--secondary { background: #EA7C07; color: #ffffff; }
.page-khuyen-mai__btn--secondary:hover { background: #c96a05; transform: translateY(-2px); }
.page-khuyen-mai__btn--center { margin: 24px auto 0; }
.page-khuyen-mai__btn--small { padding: 8px 16px; font-size: .875rem; margin-top: 8px; }
.page-khuyen-mai__highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1200px; margin: 24px auto; padding: 0 16px; }
.page-khuyen-mai__highlight-card { background: #ffffff; border: 1px solid #d9e8f2; border-radius: 16px; padding: 24px 20px; box-shadow: 0 4px 12px rgba(38,169,224,0.08); }
.page-khuyen-mai__highlight-title { font-size: 1.2rem; color: #0b4f6c; margin: 0 0 8px; }
.page-khuyen-mai__highlight-text { font-size: .95rem; line-height: 1.6; color: #444; margin: 0 0 16px; }
.page-khuyen-mai__highlight-link { color: #26A9E0; font-weight: 700; text-decoration: none; border-bottom: 2px solid transparent; }
.page-khuyen-mai__highlight-link:hover { border-color: #26A9E0; }
.page-khuyen-mai__countdown { background: linear-gradient(135deg, #0b4f6c 0%, #26A9E0 80%); padding: 40px 16px; text-align: center; }
.page-khuyen-mai__countdown-inner { max-width: 800px; margin: 0 auto; }
.page-khuyen-mai__countdown-title { color: #ffffff; font-size: 1.6rem; margin: 0 0 8px; }
.page-khuyen-mai__countdown-subtitle { color: #e0f2fe; margin: 0 0 20px; }
.page-khuyen-mai__countdown-timer { display: flex; justify-content: center; gap: 16px; margin-bottom: 8px; }
.page-khuyen-mai__countdown-item { background: rgba(255,255,255,0.15); border-radius: 12px; padding: 12px 16px; min-width: 72px; }
.page-khuyen-mai__countdown-number { font-size: 2rem; font-weight: 800; color: #ffffff; display: block; line-height: 1.2; }
.page-khuyen-mai__countdown-label { font-size: .75rem; color: #d0eefc; text-transform: uppercase; }
.page-khuyen-mai__promotion-section { display: flex; flex-direction: column; gap: 32px; max-width: 1200px; margin: 40px auto; padding: 0 16px; }
.page-khuyen-mai__promotion-item { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 28px; background: #fff; border-radius: 20px; overflow: hidden; border: 1px solid #eef5f9; box-shadow: 0 4px 18px rgba(11,79,108,0.06); }
.page-khuyen-mai__promotion-media { position: relative; }
.page-khuyen-mai__promotion-image { width: 100%; height: auto; display: block; object-fit: cover; aspect-ratio: 2/1; }
.page-khuyen-mai__promotion-content { padding: 16px 20px 16px 0; }
.page-khuyen-mai__promotion-title { font-size: 1.4rem; color: #0b4f6c; margin: 0 0 12px; line-height: 1.4; }
.page-khuyen-mai__promotion-desc { font-size: .95rem; color: #444; line-height: 1.6; margin: 0 0 12px; }
.page-khuyen-mai__promotion-list { margin: 0 0 16px; padding-left: 0; list-style: none; }
.page-khuyen-mai__promotion-benefit { font-size: .9rem; color: #222; line-height: 1.5; padding-left: 20px; position: relative; margin-bottom: 6px; }
.page-khuyen-mai__promotion-benefit::before { content: ''; position: absolute; left: 4px; top: 7px; width: 8px; height: 8px; border-radius: 50%; background: #26A9E0; }
.page-khuyen-mai__guide-section { background: #f7fbfd; padding: 48px 0; }
.page-khuyen-mai__guide-inner { max-width: 1000px; margin: 0 auto; padding: 0 16px; }
.page-khuyen-mai__guide-title { text-align: center; color: #0b4f6c; font-size: 1.8rem; margin: 0 0 12px; }
.page-khuyen-mai__guide-intro { text-align: center; color: #333333; margin-bottom: 32px; max-width: 700px; margin-left: auto; margin-right: auto; }
.page-khuyen-mai__guide-steps { display: flex; flex-direction: column; gap: 24px; }
.page-khuyen-mai__guide-step { display: flex; gap: 16px; align-items: flex-start; background: #fff; border-radius: 12px; padding: 20px; border-left: 6px solid #26A9E0; }
.page-khuyen-mai__guide-step-icon { width: 36px; height: 36px; border-radius: 50%; background: #26A9E0; color: #fff; font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.page-khuyen-mai__guide-step-content { flex: 1; }
.page-khuyen-mai__guide-step-title { font-size: 1.1rem; color: #0b4f6c; margin: 0 0 8px; }
.page-khuyen-mai__guide-step-desc { font-size: .9rem; line-height: 1.6; color: #444; margin: 0; }
.page-khuyen-mai__terms-section { max-width: 900px; margin: 48px auto; padding: 0 16px; }
.page-khuyen-mai__terms-card { background: #f9fafb; border-radius: 16px; border: 1px dashed #cbd5e1; padding: 32px; }
.page-khuyen-mai__terms-title { font-size: 1.5rem; color: #0b4f6c; margin: 0 0 16px; text-align: center; }
.page-khuyen-mai__terms-intro { color: #333333; margin-bottom: 16px; }
.page-khuyen-mai__terms-list { list-style: none; padding: 0; margin: 0 0 16px; }
.page-khuyen-mai__terms-item { position: relative; padding-left: 24px; margin-bottom: 10px; color: #222222; }
.page-khuyen-mai__terms-item::before { content: ''; position: absolute; left: 4px; top: 6px; width: 8px; height: 8px; border-radius: 2px; background: #26A9E0; }
.page-khuyen-mai__terms-note { font-size: .95rem; color: #333333; background: #e0f2fe; border-radius: 8px; padding: 16px; border-left: 4px solid #26A9E0; }
.page-khuyen-mai__faq-list { display: flex; flex-direction: column; gap: 12px; }
.page-khuyen-mai__faq-item { border: 1px solid #e0eef5; border-radius: 12px; background: #fff; overflow: hidden; }
.page-khuyen-mai__faq-question { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 18px 20px; cursor: pointer; font-weight: 700; color: #0b4f6c; }
.page-khuyen-mai__faq-question::-webkit-details-marker { display: none; }
.page-khuyen-mai__faq-toggle { font-size: 1.2rem; font-weight: 800; min-width: 24px; color: #26A9E0; }
.page-khuyen-mai__faq-answer { padding: 0 20px 20px; color: #444; line-height: 1.6; }
.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle { color: #EA7C07; }
.page-khuyen-mai__payment-list { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 20px; }
.page-khuyen-mai__payment-list span { background: #ffffff; border: 1px solid #26A9E0; color: #0b4f6c; font-weight: 700; border-radius: 999px; padding: 8px 16px; font-size: .9rem; }
@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-image { aspect-ratio: 2/1; }
  .page-khuyen-mai__hero-title { font-size: 1.3rem; }
  .page-khuyen-mai__hero-actions { flex-direction: column; width: 100%; }
  .page-khuyen-mai__btn { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; width: 100%; }
  .page-khuyen-mai__highlights { grid-template-columns: repeat(2, 1fr); margin: 16px 0; padding: 0 12px; }
  .page-khuyen-mai__countdown { padding: 32px 12px; }
  .page-khuyen-mai__countdown-timer { flex-wrap: wrap; }
  .page-khuyen-mai__promotion-section { margin: 24px 0; padding: 0 12px; gap: 24px; }
  .page-khuyen-mai__promotion-item { grid-template-columns: 1fr; }
  .page-khuyen-mai__promotion-media { order: -1; }
  .page-khuyen-mai__promotion-content { padding: 16px; }
  .page-khuyen-mai__promotion-title { font-size: 1.2rem; }
  .page-khuyen-mai__promotion-benefit { padding-left: 18px; }
  .page-khuyen-mai__guide-section { padding: 32px 0; }
  .page-khuyen-mai__guide-step { flex-direction: column; padding: 16px; }
  .page-khuyen-mai__guide-step-icon { margin-bottom: 12px; }
  .page-khuyen-mai__terms-card { padding: 20px; }
  .page-khuyen-mai__terms-title { font-size: 1.2rem; }
  .page-khuyen-mai__faq-question { padding: 16px 14px; }
  .page-khuyen-mai__faq-answer { padding: 0 14px 14px; }
  .page-khuyen-mai__countdown-title { font-size: 1.3rem; }
  .page-khuyen-mai__guide-title { font-size: 1.4rem; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .page-khuyen-mai__hero-image { aspect-ratio: 2/1; }
  .page-khuyen-mai__promotion-item { grid-template-columns: 1fr; }
  .page-khuyen-mai__promotion-media { order: -1; }
  .page-khuyen-mai__promotion-content { padding: 16px; }
  .page-khuyen-mai__highlights { grid-template-columns: repeat(2, 1fr); }
}