.page-khuyen-mai-chi-tiet-uu-dai-moi {
  font-family: 'Arial', sans-serif;
  color: #333333;
  background-color: #FFFFFF;
  line-height: 1.6;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__top-section {
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 40px;
  text-align: center;
  background-color: #f0f8ff; /* Light blue background for top section */
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__main-title {
  color: #26A9E0;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 15px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__intro-text {
  font-size: 1.15em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1em;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__btn--primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__btn--primary:hover {
  background-color: #1e87c0;
  border-color: #1e87c0;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__btn--secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__btn--secondary:hover {
  background-color: #e0f4ff;
  color: #1e87c0;
  border-color: #1e87c0;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__btn--inline {
  display: inline-block;
  margin-top: 15px;
  padding: 8px 18px;
  font-size: 0.9em;
  border-radius: 5px;
  background-color: #EA7C07;
  color: #FFFFFF;
  border: 1px solid #EA7C07;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__btn--inline:hover {
  background-color: #d46e06;
  border-color: #d46e06;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__article-wrap {
  max-width: 1150px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__section-title {
  color: #26A9E0;
  font-size: 2em;
  margin-top: 40px;
  margin-bottom: 25px;
  font-weight: 600;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__sub-title {
  color: #000000;
  font-size: 1.5em;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi p {
  margin-bottom: 1em;
  font-size: 1.05em;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__list {
  list-style: disc inside;
  margin-bottom: 1em;
  padding-left: 20px;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__list li {
  margin-bottom: 0.5em;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__figure {
  margin: 30px 0;
  text-align: center;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__figcaption {
  font-size: 0.9em;
  color: #666666;
  margin-top: 10px;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__step-list {
  list-style: none;
  padding: 0;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__step-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 20px;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__step-title {
  color: #26A9E0;
  font-size: 1.3em;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__info-card {
  background-color: #fff3cd;
  border: 1px solid #ffeeba;
  border-left: 5px solid #ffc107;
  border-radius: 8px;
  padding: 20px;
  margin: 30px 0;
  color: #664d03;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__info-card--warning {
  background-color: #fcf8e3;
  border-color: #faebcc;
  border-left-color: #8a6d3b;
  color: #8a6d3b;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__info-card-title {
  color: #8a6d3b;
  font-size: 1.4em;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-list {
  margin-top: 30px;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-item {
  background-color: #f0f8ff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-question {
  background-color: #26A9E0;
  color: #FFFFFF;
  padding: 15px 20px;
  margin: 0;
  font-size: 1.2em;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-question:hover {
  background-color: #1e87c0;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-question::after {
  content: '+';
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-item.active .page-khuyen-mai-chi-tiet-uu-dai-moi__faq-question::after {
  content: '-';
  transform: rotate(180deg);
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out;
  background-color: #FFFFFF;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__faq-item.active .page-khuyen-mai-chi-tiet-uu-dai-moi__faq-answer {
  max-height: 1000px; /* Arbitrarily large value for smooth transition */
  padding-top: 15px;
  padding-bottom: 15px;
}

.page-khuyen-mai-chi-tiet-uu-dai-moi__cta-bottom {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 20px;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-khuyen-mai-chi-tiet-uu-dai-moi__main-title {
    font-size: 2.2em;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__intro-text {
    font-size: 1em;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__section-title {
    font-size: 1.8em;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__sub-title {
    font-size: 1.4em;
  }
}

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-khuyen-mai-chi-tiet-uu-dai-moi__top-section {
    padding-top: 10px !important; /* Specific top padding */
    padding-bottom: 30px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__container {
    padding: 0 15px !important;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__main-title {
    font-size: 1.8em;
    margin-bottom: 10px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__intro-text {
    font-size: 0.95em;
    margin-bottom: 20px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  /* 4. 按钮与按钮容器 */
  .page-khuyen-mai-chi-tiet-uu-dai-moi__btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 10px 15px !important;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__btn--inline {
    width: auto !important; /* Allow inline buttons to be smaller if text is short */
    max-width: 100% !important;
    padding: 8px 15px !important;
    font-size: 0.9em !important;
  }

  /* 2. 单栏长文容器 */
  .page-khuyen-mai-chi-tiet-uu-dai-moi__article-wrap,
  .page-khuyen-mai-chi-tiet-uu-dai-moi__content-section {
    padding: 25px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__section-title {
    font-size: 1.6em;
    margin-top: 30px;
    margin-bottom: 20px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__sub-title {
    font-size: 1.2em;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi p,
  .page-khuyen-mai-chi-tiet-uu-dai-moi__list li {
    font-size: 1em;
  }

  /* 3. 通用图片与 figure */
  .page-khuyen-mai-chi-tiet-uu-dai-moi__image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__figure {
    margin: 20px 0;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__figcaption {
    font-size: 0.85em;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__step-item {
    padding: 20px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__step-title {
    font-size: 1.1em;
    margin-bottom: 10px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__info-card {
    padding: 15px;
    margin: 20px 0;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__info-card-title {
    font-size: 1.2em;
    margin-bottom: 10px;
  }

  /* 5. 注册教程与 FAQ 区块 */
  .page-khuyen-mai-chi-tiet-uu-dai-moi__faq-question {
    font-size: 1.1em;
    padding: 12px 15px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__faq-answer {
    padding: 0 15px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__faq-item.active .page-khuyen-mai-chi-tiet-uu-dai-moi__faq-answer {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .page-khuyen-mai-chi-tiet-uu-dai-moi__cta-bottom {
    margin-top: 30px;
  }
}