:root {
  --page-khuyn-mi-ng-k-mi-primary-color: #0A2463;
  --page-khuyn-mi-ng-k-mi-secondary-color: #E0B14A;
  --page-khuyn-mi-ng-k-mi-text-light: #ffffff;
  --page-khuyn-mi-ng-k-mi-text-dark: #333333;
  --page-khuyn-mi-ng-k-mi-background-light: #f8f8f8;
  --page-khuyn-mi-ng-k-mi-background-dark: #071a47; /* Slightly darker than primary */
  --page-khuyn-mi-ng-k-mi-gold-hover: #f0c96e;
}

.page-khuyn-mi-ng-k-mi {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-khuyn-mi-ng-k-mi-text-dark);
  background-color: var(--page-khuyn-mi-ng-k-mi-background-light);
}

.page-khuyn-mi-ng-k-mi__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-khuyn-mi-ng-k-mi__hero {
  background: linear-gradient(135deg, var(--page-khuyn-mi-ng-k-mi-primary-color), var(--page-khuyn-mi-ng-k-mi-background-dark));
  color: var(--page-khuyn-mi-ng-k-mi-text-light);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-khuyn-mi-ng-k-mi__hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(224, 177, 74, 0.15) 0%, rgba(10, 36, 99, 0) 70%);
  opacity: 0.8;
  animation: page-khuyn-mi-ng-k-mi-pulse 10s infinite alternate;
}

@keyframes page-khuyn-mi-ng-k-mi-pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.1); opacity: 0.6; }
}

.page-khuyn-mi-ng-k-mi__hero > .page-khuyn-mi-ng-k-mi__container {
  position: relative;
  z-index: 1;
}

.page-khuyn-mi-ng-k-mi__title {
  font-size: 3.2em;
  margin-bottom: 20px;
  font-weight: bold;
  color: var(--page-khuyn-mi-ng-k-mi-text-light);
}

.page-khuyn-mi-ng-k-mi__title .highlight {
  color: var(--page-khuyn-mi-ng-k-mi-secondary-color);
}

.page-khuyn-mi-ng-k-mi__subtitle {
  font-size: 1.3em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.9);
}

.page-khuyn-mi-ng-k-mi__button {
  display: inline-block;
  background-color: var(--page-khuyn-mi-ng-k-mi-secondary-color);
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyn-mi-ng-k-mi__button:hover {
  background-color: var(--page-khuyn-mi-ng-k-mi-gold-hover);
  transform: translateY(-3px);
}

.page-khuyn-mi-ng-k-mi__button--large {
  padding: 18px 40px;
  font-size: 1.2em;
}

.page-khuyn-mi-ng-k-mi__button--small {
  padding: 10px 20px;
  font-size: 0.9em;
}

.page-khuyn-mi-ng-k-mi__button--center {
  display: block;
  margin: 40px auto 20px auto;
  width: fit-content;
}

.page-khuyn-mi-ng-k-mi__section {
  padding: 60px 0;
  background-color: var(--page-khuyn-mi-ng-k-mi-background-light);
}

.page-khuyn-mi-ng-k-mi__section:nth-of-type(even) {
  background-color: #e6eefc; /* A very light blue tint */
}

.page-khuyn-mi-ng-k-mi__heading {
  font-size: 2.5em;
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-khuyn-mi-ng-k-mi__heading::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--page-khuyn-mi-ng-k-mi-secondary-color);
  border-radius: 2px;
}

.page-khuyn-mi-ng-k-mi__text {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 30px auto;
  color: var(--page-khuyn-mi-ng-k-mi-text-dark);
}

.page-khuyn-mi-ng-k-mi__list {
  list-style: none;
  padding: 0;
  max-width: 900px;
  margin: 30px auto;
}

.page-khuyn-mi-ng-k-mi__list li {
  background-color: #ffffff;
  padding: 20px 25px;
  margin-bottom: 15px;
  border-left: 5px solid var(--page-khuyn-mi-ng-k-mi-secondary-color);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  font-size: 1.05em;
  color: var(--page-khuyn-mi-ng-k-mi-text-dark);
  transition: transform 0.2s ease;
}

.page-khuyn-mi-ng-k-mi__list li:hover {
  transform: translateX(5px);
}

.page-khuyn-mi-ng-k-mi__list li strong {
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
}

.page-khuyn-mi-ng-k-mi__image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-khuyn-mi-ng-k-mi__image--center {
  display: block;
  margin: 40px auto;
}

.page-khuyn-mi-ng-k-mi__image--small {
  max-width: 60%;
  margin: 20px auto;
  display: block;
}

.page-khuyn-mi-ng-k-mi__card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi-ng-k-mi__card {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyn-mi-ng-k-mi__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-khuyn-mi-ng-k-mi__card-image {
  max-width: 100%;
  height: 200px;
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-khuyn-mi-ng-k-mi__card-title {
  font-size: 1.6em;
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  margin-bottom: 15px;
}

.page-khuyn-mi-ng-k-mi__card-text {
  font-size: 1em;
  color: var(--page-khuyn-mi-ng-k-mi-text-dark);
  margin-bottom: 25px;
}

.page-khuyn-mi-ng-k-mi__card-button {
  background-color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  color: var(--page-khuyn-mi-ng-k-mi-text-light);
  padding: 12px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95em;
  transition: background-color 0.3s ease;
}

.page-khuyn-mi-ng-k-mi__card-button:hover {
  background-color: var(--page-khuyn-mi-ng-k-mi-gold-hover);
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
}

.page-khuyn-mi-ng-k-mi__how-to-claim .page-khuyn-mi-ng-k-mi__text {
  margin-bottom: 40px;
}

.page-khuyn-mi-ng-k-mi__steps-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.page-khuyn-mi-ng-k-mi__steps-list li {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-khuyn-mi-ng-k-mi__step-icon {
  background-color: var(--page-khuyn-mi-ng-k-mi-secondary-color);
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  font-weight: bold;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.page-khuyn-mi-ng-k-mi__steps-list li h3 {
  font-size: 1.8em;
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  margin-bottom: 15px;
}

.page-khuyn-mi-ng-k-mi__steps-list li p {
  font-size: 1.05em;
  color: var(--page-khuyn-mi-ng-k-mi-text-dark);
  margin-bottom: 20px;
  text-align: center;
}

.page-khuyn-mi-ng-k-mi__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi-ng-k-mi__feature-item {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyn-mi-ng-k-mi__feature-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-khuyn-mi-ng-k-mi__feature-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 50%;
  border: 3px solid var(--page-khuyn-mi-ng-k-mi-secondary-color);
  padding: 10px;
}

.page-khuyn-mi-ng-k-mi__feature-item h3 {
  font-size: 1.5em;
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  margin-bottom: 10px;
}

.page-khuyn-mi-ng-k-mi__feature-item p {
  font-size: 1em;
  color: var(--page-khuyn-mi-ng-k-mi-text-dark);
}

.page-khuyn-mi-ng-k-mi__faq-item {
  background-color: #ffffff;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-khuyn-mi-ng-k-mi__faq-question {
  font-size: 1.3em;
  color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  padding: 20px 25px;
  cursor: pointer;
  position: relative;
  margin: 0;
  background-color: #f5faff; /* Light blue background for question */
  border-bottom: 1px solid #e0e0e0;
}

.page-khuyn-mi-ng-k-mi__faq-question::after {
  content: '+';
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5em;
  transition: transform 0.3s ease;
}

.page-khuyn-mi-ng-k-mi__faq-question.active::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
}

.page-khuyn-mi-ng-k-mi__faq-answer {
  font-size: 1.05em;
  color: var(--page-khuyn-mi-ng-k-mi-text-dark);
  padding: 0 25px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
}

.page-khuyn-mi-ng-k-mi__faq-answer.active {
  max-height: 300px; /* Adjust as needed */
  padding: 20px 25px;
}

.page-khuyn-mi-ng-k-mi__cta-final {
  background-color: var(--page-khuyn-mi-ng-k-mi-primary-color);
  color: var(--page-khuyn-mi-ng-k-mi-text-light);
  padding: 80px 0;
  text-align: center;
}

.page-khuyn-mi-ng-k-mi__cta-final .page-khuyn-mi-ng-k-mi__heading {
  color: var(--page-khuyn-mi-ng-k-mi-secondary-color);
}

.page-khuyn-mi-ng-k-mi__cta-final .page-khuyn-mi-ng-k-mi__text {
  color: rgba(255, 255, 255, 0.9);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-khuyn-mi-ng-k-mi__title {
    font-size: 2.5em;
  }
  .page-khuyn-mi-ng-k-mi__heading {
    font-size: 2em;
  }
  .page-khuyn-mi-ng-k-mi__card-grid, .page-khuyn-mi-ng-k-mi__feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-khuyn-mi-ng-k-mi__hero {
    padding: 60px 0;
  }
  .page-khuyn-mi-ng-k-mi__title {
    font-size: 2em;
  }
  .page-khuyn-mi-ng-k-mi__subtitle {
    font-size: 1.1em;
  }
  .page-khuyn-mi-ng-k-mi__heading {
    font-size: 1.8em;
  }
  .page-khuyn-mi-ng-k-mi__text {
    font-size: 1em;
  }
  .page-khuyn-mi-ng-k-mi__steps-list li h3 {
    font-size: 1.5em;
  }
  .page-khuyn-mi-ng-k-mi__image--small {
    max-width: 80%;
  }
}

@media (max-width: 576px) {
  .page-khuyn-mi-ng-k-mi__hero {
    padding: 40px 0;
  }
  .page-khuyn-mi-ng-k-mi__title {
    font-size: 1.8em;
  }
  .page-khuyn-mi-ng-k-mi__subtitle {
    font-size: 1em;
  }
  .page-khuyn-mi-ng-k-mi__button {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-khuyn-mi-ng-k-mi__heading {
    font-size: 1.6em;
  }
  .page-khuyn-mi-ng-k-mi__section {
    padding: 40px 0;
  }
  .page-khuyn-mi-ng-k-mi__card-grid, .page-khuyn-mi-ng-k-mi__feature-grid {
    grid-template-columns: 1fr;
  }
  .page-khuyn-mi-ng-k-mi__card, .page-khuyn-mi-ng-k-mi__feature-item {
    padding: 20px;
  }
  .page-khuyn-mi-ng-k-mi__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-khuyn-mi-ng-k-mi__faq-question::after {
    right: 20px;
  }
  .page-khuyn-mi-ng-k-mi__faq-answer {
    padding: 15px 20px;
  }
  .page-khuyn-mi-ng-k-mi__cta-final {
    padding: 60px 0;
  }
}