.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #F5F7FA; /* Default light background */
}

.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  margin-bottom: 40px;
  text-align: center;
  background-color: #F5F7FA;
  position: relative;
  overflow: hidden;
}

.page-khuyen-mai__hero-image-wrapper {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
}

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

.page-khuyen-mai__hero-content {
  padding: 20px 15px 40px;
  max-width: 900px;
  margin: 0 auto;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2em, 4vw, 2.8em); /* Responsive H1 font size */
  color: #E53935;
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
}

.page-khuyen-mai__lead-text {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #333333;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.page-khuyen-mai__btn {
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
}

.page-khuyen-mai__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-khuyen-mai__btn-secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-khuyen-mai__btn-secondary:hover {
  background: #E53935;
  color: #ffffff;
}

.page-khuyen-mai__section {
  padding: 50px 0;
  margin-bottom: 30px;
  background-color: #ffffff;
}

.page-khuyen-mai__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-khuyen-mai__section-title {
  font-size: 2.2em;
  color: #E53935;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-khuyen-mai__paragraph {
  font-size: 1.05em;
  margin-bottom: 20px;
  color: #333333;
  text-align: justify;
}

.page-khuyen-mai__feature-list,
.page-khuyen-mai__terms-list,
.page-khuyen-mai__tips-list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.page-khuyen-mai__list-item {
  margin-bottom: 10px;
  padding-left: 25px;
  position: relative;
  color: #333333;
}

.page-khuyen-mai__list-item::before {
  content: '✓';
  color: #E53935;
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__promo-card {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__promo-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-khuyen-mai__card-title {
  font-size: 1.5em;
  color: #E53935;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-khuyen-mai__card-description {
  font-size: 0.95em;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
  text-align: justify;
}

.page-khuyen-mai__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.page-khuyen-mai__step-item {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.page-khuyen-mai__step-number {
  font-size: 2.5em;
  color: #FF5A4F;
  font-weight: bold;
  margin-bottom: 10px;
}

.page-khuyen-mai__step-title {
  font-size: 1.3em;
  color: #E53935;
  margin-bottom: 10px;
  font-weight: bold;
}

.page-khuyen-mai__step-description {
  font-size: 0.95em;
  color: #555555;
}

.page-khuyen-mai__button-wrapper {
  text-align: center;
  margin-top: 40px;
}

.page-khuyen-mai__figure {
  margin: 40px auto;
  max-width: 800px;
  text-align: center;
}

.page-khuyen-mai__figure-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.page-khuyen-mai__figcaption {
  font-size: 0.9em;
  color: #777777;
  margin-top: 10px;
  text-align: center;
}

.page-khuyen-mai__dark-section {
  background-color: #E53935;
  color: #ffffff;
}

.page-khuyen-mai__dark-section .page-khuyen-mai__section-title,
.page-khuyen-mai__dark-section .page-khuyen-mai__paragraph,
.page-khuyen-mai__dark-section .page-khuyen-mai__list-item {
  color: #ffffff;
}

.page-khuyen-mai__dark-section .page-khuyen-mai__list-item::before {
  color: #FF5A4F;
}

.page-khuyen-mai__link {
  color: #FF5A4F;
  text-decoration: underline;
}

.page-khuyen-mai__link:hover {
  color: #ffffff;
}

.page-khuyen-mai__faq-list {
  margin-top: 30px;
}

.page-khuyen-mai__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 15px;
  padding: 20px 25px;
}

.page-khuyen-mai__faq-question {
  font-size: 1.2em;
  color: #E53935;
  font-weight: bold;
  margin-bottom: 10px;
}

.page-khuyen-mai__faq-answer {
  font-size: 1em;
  color: #555555;
  text-align: justify;
}

.page-khuyen-mai__conclusion-section {
  text-align: center;
  padding: 60px 0;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__section-title {
  color: #ffffff;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__paragraph {
  color: #ffffff;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------------------------------- */
/* Mobile Responsive Styles (max-width: 768px) */
/* ---------------------------------- */
@media (max-width: 768px) {
  .page-khuyen-mai {
    font-size: 16px;
    line-height: 1.6;
  }

  /* 1. 顶区标题 + 双 CTA */
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__hero-content {
    padding: 15px 10px 30px;
  }

  .page-khuyen-mai__main-title {
    font-size: clamp(1.8em, 8vw, 2.5em);
    margin-bottom: 10px;
  }

  .page-khuyen-mai__lead-text {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  .page-khuyen-mai__btn {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 15px;
    font-size: 0.95em;
  }

  /* 2. 单栏长文容器 */
  .page-khuyen-mai__container {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__section {
    padding: 30px 0;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8em;
    margin-bottom: 25px;
  }

  .page-khuyen-mai__paragraph {
    font-size: 0.95em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__list-item {
    font-size: 0.95em;
    padding-left: 20px;
  }

  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 25px;
  }

  .page-khuyen-mai__promo-card {
    padding: 20px;
  }

  .page-khuyen-mai__promo-image {
    height: 180px;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__card-title {
    font-size: 1.3em;
    margin-bottom: 10px;
  }

  .page-khuyen-mai__card-description {
    font-size: 0.9em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 25px;
  }

  .page-khuyen-mai__step-item {
    padding: 20px;
  }

  .page-khuyen-mai__step-number {
    font-size: 2em;
  }

  .page-khuyen-mai__step-title {
    font-size: 1.1em;
  }

  .page-khuyen-mai__step-description {
    font-size: 0.9em;
  }

  /* 3. 通用图片与 figure */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-khuyen-mai__figure {
    margin: 30px auto;
    padding: 0 15px;
  }

  .page-khuyen-mai__figcaption {
    font-size: 0.85em;
  }

  /* 4. 按钮与按钮容器 */
  .page-khuyen-mai__button-wrapper {
    margin-top: 30px;
    padding: 0 15px;
  }

  .page-khuyen-mai__button-wrapper .page-khuyen-mai__btn {
    max-width: 100% !important;
    width: 100% !important;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* 5. FAQ 区块 */
  .page-khuyen-mai__faq-item {
    padding: 15px 20px;
    margin-bottom: 10px;
  }

  .page-khuyen-mai__faq-question {
    font-size: 1.1em;
  }

  .page-khuyen-mai__faq-answer {
    font-size: 0.95em;
  }

  .page-khuyen-mai__conclusion-section {
    padding: 40px 0;
  }
}