.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Dark text on light body background */
  background-color: #FFFFFF;
}

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

.page-khuyen-mai__top-section {
  padding-top: 10px; /* Small top padding as per instruction */
  padding-bottom: 40px;
  text-align: center;
}

.page-khuyen-mai__dark-bg {
  background-color: #017439;
  color: #ffffff;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2em, 3.5vw, 3.2em);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.page-khuyen-mai__intro-text {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

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

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

.page-khuyen-mai__btn-primary {
  background-color: #C30808; /* Register/Login color */
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #C30808;
}

.page-khuyen-mai__btn-primary:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-khuyen-mai__btn-secondary {
  background-color: transparent;
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #FFFF00;
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: #FFFF00;
  color: #C30808;
}

.page-khuyen-mai__btn-large {
  padding: 15px 30px;
  font-size: 1.1em;
}

.page-khuyen-mai__section {
  padding: 60px 0;
}

.page-khuyen-mai__section-title {
  font-size: clamp(1.8em, 3vw, 2.5em);
  font-weight: 700;
  margin-bottom: 30px;
  text-align: center;
  color: #017439;
}

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

.page-khuyen-mai__text-white {
  color: #f0f0f0;
  text-align: center;
  margin-bottom: 20px;
}

.page-khuyen-mai__article-wrap {
  max-width: 900px;
  margin: 0 auto;
}

.page-khuyen-mai__list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: #333333;
}

.page-khuyen-mai__list-item {
  margin-bottom: 10px;
}

.page-khuyen-mai__list--white .page-khuyen-mai__list-item {
  color: #f0f0f0;
}

.page-khuyen-mai__figure {
  margin: 30px auto;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-khuyen-mai__figure--small {
  max-width: 680px;
}

.page-khuyen-mai__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__figcaption {
  margin-top: 10px;
  font-style: italic;
  font-size: 0.9em;
  color: #666666;
}

.page-khuyen-mai__figcaption--white {
  color: #cccccc;
}

.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
  margin-bottom: 40px;
}

.page-khuyen-mai__promo-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #ffffff;
}

.page-khuyen-mai__card-title {
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 15px;
  color: #FFFF00;
}

.page-khuyen-mai__promo-card p {
  font-size: 0.95em;
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
  color: #f0f0f0;
}

.page-khuyen-mai__btn-card {
  margin-top: auto; /* Push button to bottom */
  background-color: #C30808;
  color: #FFFF00;
  border: 1px solid #C30808;
  padding: 10px 20px;
  font-size: 0.9em;
}

.page-khuyen-mai__btn-card:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-khuyen-mai__step-by-step {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 30px;
}

.page-khuyen-mai__step-item {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__step-title {
  font-size: 1.5em;
  color: #017439;
  margin-bottom: 15px;
}

.page-khuyen-mai__step-item p {
  margin-bottom: 20px;
}

.page-khuyen-mai__warning-box {
  background-color: #fff3cd;
  border: 1px solid #ffeeba;
  border-left: 5px solid #ffc107;
  border-radius: 8px;
  padding: 20px;
  margin-top: 40px;
  color: #664d03;
}

.page-khuyen-mai__warning-title {
  font-size: 1.3em;
  color: #664d03;
  margin-bottom: 15px;
}

.page-khuyen-mai__list--warning {
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}

.page-khuyen-mai__list--warning .page-khuyen-mai__list-item {
  position: relative;
  padding-left: 25px;
  margin-bottom: 8px;
}

.page-khuyen-mai__list--warning .page-khuyen-mai__list-item::before {
  content: '⚠️';
  position: absolute;
  left: 0;
  top: 0;
}

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

.page-khuyen-mai__faq-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  font-size: 1.2em;
  color: #017439;
  padding: 18px 25px;
  cursor: pointer;
  position: relative;
  display: block;
  margin: 0;
  font-weight: bold;
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 18px;
  font-size: 1em;
  color: #555555;
}

.page-khuyen-mai__cta-bottom {
  padding-top: 80px;
  padding-bottom: 80px;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .page-khuyen-mai__container {
    padding: 0 15px;
  }

  /* 顶区标题 + 双 CTA */
  .page-khuyen-mai__top-section {
    padding-top: 10px !important; /* Enforced small top padding */
    padding-bottom: 30px;
  }

  .page-khuyen-mai__main-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__intro-text {
    font-size: 1em;
    margin-bottom: 25px;
    text-align: left;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
  }

  .page-khuyen-mai__btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    font-size: 1em;
  }

  /* 单栏长文容器 */
  .page-khuyen-mai__section {
    padding: 40px 0;
  }

  .page-khuyen-mai__article-wrap,
  .page-khuyen-mai__promo-grid,
  .page-khuyen-mai__step-by-step,
  .page-khuyen-mai__warning-box,
  .page-khuyen-mai__faq-list,
  .page-khuyen-mai__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
    text-align: left;
  }

  .page-khuyen-mai__text-white {
    text-align: left;
  }

  .page-khuyen-mai__list {
    margin-left: 20px;
  }

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

  .page-khuyen-mai__figure {
    margin: 20px auto;
  }

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

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

  .page-khuyen-mai__card-title {
    font-size: 1.2em;
  }

  .page-khuyen-mai__btn-card {
    padding: 8px 15px;
    font-size: 0.85em;
  }

  .page-khuyen-mai__step-by-step {
    gap: 30px;
  }

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

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

  .page-khuyen-mai__warning-box {
    padding: 15px;
    margin-top: 30px;
  }

  .page-khuyen-mai__warning-title {
    font-size: 1.1em;
    margin-bottom: 10px;
  }

  /* FAQ 区块 */
  .page-khuyen-mai__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
  }

  .page-khuyen-mai__cta-bottom {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .page-khuyen-mai__btn-large {
    padding: 12px 20px;
    font-size: 1em;
  }
}