.page-khuyen-mai {
  background-color: #F5F7FA;
  color: #333333;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.6;
}
.page-khuyen-mai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.page-khuyen-mai__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(135deg, #E53935 0%, #FF5A4F 100%);
  padding: 10px 20px 50px;
}
.page-khuyen-mai__hero-image {
  width: 100%;
  max-width: 1200px;
  margin-bottom: 30px;
}
.page-khuyen-mai__hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.page-khuyen-mai__hero-content {
  width: 100%;
  max-width: 900px;
  text-align: center;
  padding: 20px;
}
.page-khuyen-mai__main-title {
  color: #ffffff;
  font-size: clamp(1.4rem, 2.8vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.3px;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.page-khuyen-mai__hero-desc {
  color: #ffffff;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  max-width: 780px;
  margin: 0 auto 25px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}
.page-khuyen-mai__hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}
.page-khuyen-mai__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 34px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
  max-width: 100%;
}
.page-khuyen-mai__btn--primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.35);
}
.page-khuyen-mai__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(229, 57, 53, 0.45);
}
.page-khuyen-mai__btn--secondary {
  background: #ffffff;
  color: #E53935;
  border-color: #ffffff;
}
.page-khuyen-mai__btn--secondary:hover {
  background: rgba(255, 255, 255, 0.9);
}
.page-khuyen-mai__btn--small {
  min-height: 40px;
  padding: 8px 22px;
  font-size: 0.9rem;
}
.page-khuyen-mai__btn--light {
  background: #ffffff;
  color: #E53935;
  border-color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}
.page-khuyen-mai__btn--light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}
.page-khuyen-mai__btn--outline-light {
  background: transparent;
  color: #ffffff;
  border-color: #ffffff;
}
.page-khuyen-mai__btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
}
.page-khuyen-mai__btn:hover {
  opacity: 0.95;
}
.page-khuyen-mai__stats-section {
  padding: -20px 0 50px;
  background: #F5F7FA;
}
.page-khuyen-mai__stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.page-khuyen-mai__stat-card {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 16px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease;
}
.page-khuyen-mai__stat-card:hover {
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.15);
}
.page-khuyen-mai__stat-number {
  display: block;
  font-size: clamp(1.6rem, 2.5vw, 2.4rem);
  font-weight: 800;
  color: #E53935;
  margin-bottom: 8px;
  line-height: 1.2;
}
.page-khuyen-mai__stat-label {
  font-size: 0.95rem;
  color: #333333;
  opacity: 0.8;
}
.page-khuyen-mai__intro-section {
  padding: 50px 0;
}
.page-khuyen-mai__section-header {
  text-align: center;
  margin-bottom: 40px;
}
.page-khuyen-mai__section-title {
  font-size: clamp(1.5rem, 2.5vw, 2.3rem);
  color: #E53935;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 0.2px;
}
.page-khuyen-mai__section-subtitle {
  font-size: 1rem;
  color: #333333;
  opacity: 0.75;
  max-width: 700px;
  margin: 0 auto;
}
.page-khuyen-mai__intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.page-khuyen-mai__intro-card {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s ease;
}
.page-khuyen-mai__intro-card:hover {
  box-shadow: 0 8px 30px rgba(229, 57, 53, 0.15);
}
.page-khuyen-mai__card-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-khuyen-mai__card-body {
  padding: 25px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.page-khuyen-mai__card-tag {
  display: inline-block;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
  align-self: flex-start;
  letter-spacing: 0.5px;
}
.page-khuyen-mai__card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #333333;
  margin-bottom: 12px;
  line-height: 1.4;
}
.page-khuyen-mai__card-title a,
.page-khuyen-mai__blog-title a {
  color: #333333;
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-khuyen-mai__card-title a:hover,
.page-khuyen-mai__blog-title a:hover {
  color: #E53935;
}
.page-khuyen-mai__card-text {
  color: #333333;
  opacity: 0.75;
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.page-khuyen-mai__card-actions {
  margin-top: auto;
}
.page-khuyen-mai__promo-section {
  padding: 50px 0;
  background: linear-gradient(180deg, #F5F7FA 0%, #ffffff 100%);
}
.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.page-khuyen-mai__promo-card {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.page-khuyen-mai__promo-card:hover {
  box-shadow: 0 8px 30px rgba(229, 57, 53, 0.12);
  transform: translateY(-3px);
}
.page-khuyen-mai__promo-card .page-khuyen-mai__card-img {
  border-radius: 12px;
  margin-bottom: 15px;
}
.page-khuyen-mai__promo-date {
  color: #E53935;
  font-size: 0.85rem;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}
.page-khuyen-mai__promo-link {
  color: #E53935;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  margin-top: 5px;
  transition: margin-left 0.2s ease;
}
.page-khuyen-mai__promo-link:hover {
  margin-left: 8px;
}
.page-khuyen-mai__rewards-section {
  padding: 50px 0;
}
.page-khuyen-mai__rewards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.page-khuyen-mai__reward-item {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 16px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.page-khuyen-mai__reward-img {
  border-radius: 12px;
  margin-bottom: 15px;
  width: 100%;
  max-width: 100%;
  height: auto;
}
.page-khuyen-mai__reward-title {
  font-size: 1.1rem;
  color: #E53935;
  font-weight: 700;
  margin-bottom: 10px;
}
.page-khuyen-mai__reward-text {
  color: #333333;
  opacity: 0.75;
  font-size: 0.9rem;
}
.page-khuyen-mai__rules-section {
  padding: 50px 0;
  background: #ffffff;
}
.page-khuyen-mai__rules-content {
  max-width: 900px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.page-khuyen-mai__rules-subtitle {
  font-size: 1.3rem;
  color: #E53935;
  margin-bottom: 20px;
}
.page-khuyen-mai__rules-list {
  padding-left: 20px;
}
.page-khuyen-mai__rules-list li {
  margin-bottom: 12px;
  padding-left: 5px;
  line-height: 1.7;
}
.page-khuyen-mai__rules-warning {
  margin-top: 25px;
  padding: 20px;
  background: rgba(229, 57, 53, 0.08);
  border-left: 4px solid #E53935;
  border-radius: 0 12px 12px 0;
  font-size: 0.95rem;
}
.page-khuyen-mai__faq-section {
  padding: 50px 0;
}
.page-khuyen-mai__faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.page-khuyen-mai__faq-item {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 16px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.page-khuyen-mai__faq-item:hover {
  box-shadow: 0 4px 12px rgba(229, 57, 53, 0.08);
}
.page-khuyen-mai__faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 25px;
  font-size: 1rem;
  font-weight: 600;
  color: #333333;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s ease;
}
.page-khuyen-mai__faq-question:hover {
  background: rgba(229, 57, 53, 0.05);
}
.page-khuyen-mai__faq-icon {
  font-size: 1.3rem;
  color: #E53935;
  font-weight: 700;
}
.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 0.95rem;
  color: #333333;
  border-top: 1px solid #E0E0E0;
  margin-top: 0;
  line-height: 1.7;
}
.page-khuyen-mai__faq-answer p {
  margin-bottom: 0;
  padding-top: 15px;
}
.page-khuyen-mai__cta-section {
  padding: 50px 0;
  background: linear-gradient(135deg, #E53935 0%, #FF5A4F 100%);
  text-align: center;
}
.page-khuyen-mai__cta-content {
  max-width: 800px;
  margin: 0 auto;
}
.page-khuyen-mai__cta-title {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 15px;
}
.page-khuyen-mai__cta-text {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 25px;
  opacity: 0.95;
}
.page-khuyen-mai__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}
.page-khuyen-mai__blog-section {
  padding: 50px 0 60px;
}
.page-khuyen-mai__blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.page-khuyen-mai__blog-card {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s ease;
}
.page-khuyen-mai__blog-card:hover {
  box-shadow: 0 8px 30px rgba(229, 57, 53, 0.12);
}
.page-khuyen-mai__blog-card .page-khuyen-mai__card-body {
  padding: 20px;
}
.page-khuyen-mai__blog-date {
  display: block;
  font-size: 0.8rem;
  color: #7a7a7a;
  margin-bottom: 8px;
  font-weight: 500;
}
.page-khuyen-mai__blog-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
}
.page-khuyen-mai__blog-title a {
  text-decoration: none;
}
.page-khuyen-mai__blog-excerpt {
  font-size: 0.9rem;
  color: #333333;
  opacity: 0.7;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 1024px) {
  .page-khuyen-mai__stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-khuyen-mai__intro-grid,
  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  .page-khuyen-mai__rewards-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  .page-khuyen-mai__blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .page-khuyen-mai {
    overflow-x: hidden;
  }
  .page-khuyen-mai__container {
    padding: 0 15px;
  }
  .page-khuyen-mai p,
  .page-khuyen-mai h1,
  .page-khuyen-mai h2,
  .page-khuyen-mai h3,
  .page-khuyen-mai li {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
  .page-khuyen-mai img,
  .page-khuyen-mai .page-khuyen-mai__card-img,
  .page-khuyen-mai .page-khuyen-mai__hero-img,
  .page-khuyen-mai .page-khuyen-mai__reward-img {
    max-width: 100% !important;
    height: auto !important;
  }
  .page-khuyen-mai__hero-section,
  .page-khuyen-mai__stats-section,
  .page-khuyen-mai__intro-section,
  .page-khuyen-mai__promo-section,
  .page-khuyen-mai__rewards-section,
  .page-khuyen-mai__rules-section,
  .page-khuyen-mai__faq-section,
  .page-khuyen-mai__cta-section,
  .page-khuyen-mai__blog-section {
    padding: 20px 0;
  }
  .page-khuyen-mai__hero-section {
    padding-top: 10px;
    padding-bottom: 30px;
  }
  .page-khuyen-mai__main-title {
    font-size: clamp(1.3rem, 4.5vw, 1.8rem);
  }
  .page-khuyen-mai__hero-desc {
    font-size: 0.95rem;
  }
  .page-khuyen-mai__btn {
    width: auto;
    max-width: 100%;
    min-height: 44px;
    padding: 10px 26px;
    font-size: 0.95rem;
    white-space: normal;
    flex: 1 1 auto;
  }
  .page-khuyen-mai__hero-buttons,
  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .page-khuyen-mai__hero-buttons .page-khuyen-mai__btn,
  .page-khuyen-mai__cta-buttons .page-khuyen-mai__btn {
    width: 100%;
    max-width: 300px;
  }
  .page-khuyen-mai__stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .page-khuyen-mai__stat-card {
    padding: 18px 10px;
  }
  .page-khuyen-mai__section-header {
    margin-bottom: 25px;
  }
  .page-khuyen-mai__section-title {
    font-size: 1.4rem;
    line-height: 1.3;
  }
  .page-khuyen-mai__section-subtitle {
    font-size: 0.9rem;
  }
  .page-khuyen-mai__card-body,
  .page-khuyen-mai__rules-content {
    padding: 18px;
  }
  .page-khuyen-mai__intro-grid,
  .page-khuyen-mai__promo-grid {
    gap: 18px;
  }
  .page-khuyen-mai__card-title {
    font-size: 1.1rem;
  }
  .page-khuyen-mai__promo-card {
    padding: 12px;
  }
  .page-khuyen-mai__rewards-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .page-khuyen-mai__reward-item {
    text-align: left;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 12px;
  }
  .page-khuyen-mai__reward-img {
    flex: 0 0 100%;
    width: 100%;
    border-radius: 8px;
    margin-bottom: 0;
  }
  .page-khuyen-mai__reward-title,
  .page-khuyen-mai__reward-text {
    flex-basis: 100%;
  }
  .page-khuyen-mai__reward-title {
    margin-bottom: 5px;
  }
  .page-khuyen-mai__rules-list li {
    margin-bottom: 10px;
  }
  .page-khuyen-mai__rules-warning {
    padding: 15px;
  }
  .page-khuyen-mai__faq-item {
    margin-bottom: 10px;
  }
  .page-khuyen-mai__faq-question {
    padding: 16px 18px;
    font-size: 0.95rem;
    line-height: 1.4;
  }
  .page-khuyen-mai__faq-answer {
    padding: 0 18px 16px;
  }
  .page-khuyen-mai__cta-title {
    font-size: 1.5rem;
  }
  .page-khuyen-mai__cta-text {
    font-size: 0.95rem;
  }
  .page-khuyen-mai__blog-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .page-khuyen-mai__blog-card .page-khuyen-mai__card-body {
    padding-bottom: 18px;
  }
}

@media (max-width: 480px) {
  .page-khuyen-mai__stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-khuyen-mai__stat-number {
    font-size: 1.4rem;
  }
  .page-khuyen-mai__cta-title {
    font-size: 1.3rem;
  }
  .page-khuyen-mai__section-title {
    font-size: 1.3rem;
  }
}