.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
}

.page-khuyen-mai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-khuyen-mai__section {
  padding: 40px 0;
  margin-bottom: 20px;
  background-color: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__section:first-of-type {
  padding-top: 10px; /* Small top padding for the first section */
}

.page-khuyen-mai__hero-section {
  background-color: #F4F7FB;
  padding: 10px 0 40px 0; /* Small top padding, normal bottom padding */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-khuyen-mai__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: 30px;
}

.page-khuyen-mai__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16/9;
}

.page-khuyen-mai__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-khuyen-mai__main-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: #2F6BFF;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-khuyen-mai__hero-description {
  font-size: clamp(16px, 2vw, 20px);
  color: #1F2D3D;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: #2F6BFF;
  text-align: center;
  margin-bottom: 30px;
  padding: 0 20px;
}

.page-khuyen-mai__article-body {
  max-width: 900px;
  margin: 0 auto 30px auto;
  padding: 0 20px;
  color: #1F2D3D;
}

.page-khuyen-mai__article-body p {
  margin-bottom: 15px;
  font-size: 17px;
  line-height: 1.7;
}

.page-khuyen-mai__article-body .highlight {
  color: #2F6BFF;
  font-weight: 600;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 6px 15px rgba(47, 107, 255, 0.3);
}

.page-khuyen-mai__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  box-shadow: 0 8px 20px rgba(47, 107, 255, 0.4);
}

.page-khuyen-mai__btn-secondary {
  background: #FFFFFF;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__btn-secondary:hover {
  background: #2F6BFF;
  color: #FFFFFF;
  box-shadow: 0 4px 10px rgba(47, 107, 255, 0.2);
}

.page-khuyen-mai__cta-button {
  margin-top: 20px;
}

.page-khuyen-mai__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 0 20px;
  margin-bottom: 30px;
}

.page-khuyen-mai__card {
  background-color: #FFFFFF;
  border: 1px solid #D6E2FF; /* Border */
  border-radius: 12px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-khuyen-mai__card-title {
  font-size: 22px;
  font-weight: 700;
  color: #2F6BFF;
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-khuyen-mai__card p {
  font-size: 16px;
  color: #1F2D3D;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-khuyen-mai__feature-image,
.page-khuyen-mai__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 30px auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__sub-title {
  font-size: 24px;
  font-weight: 600;
  color: #1F2D3D;
  margin-top: 30px;
  margin-bottom: 15px;
  padding: 0 20px;
}

.page-khuyen-mai__button-group {
  display: flex;
  gap: 15px;
  margin-top: 30px;
  justify-content: center;
  padding: 0 20px;
}