.page-blog-huong-dan-dang-ky-5mb {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light body background */
  background-color: #FFFFFF;
}

.page-blog-huong-dan-dang-ky-5mb__hero-article {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 40px;
  background-color: #f5f5f5; /* Light background for hero section */
  text-align: center;
}

.page-blog-huong-dan-dang-ky-5mb__hero-image {
  width: 100%;
  max-width: 1200px;
  height: auto;
  object-fit: contain; /* Ensure image is not cropped */
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-blog-huong-dan-dang-ky-5mb__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-blog-huong-dan-dang-ky-5mb__main-title {
  font-size: clamp(2em, 4vw, 2.8em);
  color: #26A9E0;
  margin-bottom: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.page-blog-huong-dan-dang-ky-5mb__intro-text {
  font-size: 1.1em;
  color: #555555;
  margin-bottom: 30px;
}

.page-blog-huong-dan-dang-ky-5mb__content-section {
  padding: 40px 0;
  background-color: #ffffff;
}

.page-blog-huong-dan-dang-ky-5mb__container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-blog-huong-dan-dang-ky-5mb__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.2em);
  color: #26A9E0;
  margin-top: 40px;
  margin-bottom: 20px;
  font-weight: 600;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 10px;
}

.page-blog-huong-dan-dang-ky-5mb__sub-title {
  font-size: clamp(1.4em, 2.8vw, 1.8em);
  color: #000000;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-blog-huong-dan-dang-ky-5mb p {
  margin-bottom: 15px;
  color: #333333;
}

.page-blog-huong-dan-dang-ky-5mb__list {
  list-style: disc inside;
  margin-left: 20px;
  margin-bottom: 20px;
  color: #333333;
}

.page-blog-huong-dan-dang-ky-5mb__list li {
  margin-bottom: 8px;
  color: #333333;
}

.page-blog-huong-dan-dang-ky-5mb__image-inline {
  width: 100%;
  height: auto;
  max-width: 800px;
  display: block;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

.page-blog-huong-dan-dang-ky-5mb__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.page-blog-huong-dan-dang-ky-5mb__cta-buttons--center {
  justify-content: center;
}

.page-blog-huong-dan-dang-ky-5mb__cta-buttons--final {
  margin-top: 50px;
  margin-bottom: 40px;
}

.page-blog-huong-dan-dang-ky-5mb__btn-primary,
.page-blog-huong-dan-dang-ky-5mb__btn-secondary,
.page-blog-huong-dan-dang-ky-5mb__link-action {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-5mb__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-blog-huong-dan-dang-ky-5mb__btn-primary:hover {
  background-color: #1e87c0;
  border-color: #1e87c0;
}

.page-blog-huong-dan-dang-ky-5mb__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-blog-huong-dan-dang-ky-5mb__btn-secondary:hover {
  background-color: #e0f2f7;
  color: #1e87c0;
  border-color: #1e87c0;
}

.page-blog-huong-dan-dang-ky-5mb__link-action {
  color: #26A9E0;
  text-decoration: underline;
  padding: 0;
  border: none;
  background: none;
}

.page-blog-huong-dan-dang-ky-5mb__link-action:hover {
  color: #1e87c0;
  text-decoration: none;
}

.page-blog-huong-dan-dang-ky-5mb__promotion-card {
  display: flex;
  align-items: center;
  background-color: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  margin-top: 40px;
  padding: 25px;
  gap: 25px;
  flex-wrap: wrap;
}

.page-blog-huong-dan-dang-ky-5mb__promotion-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.page-blog-huong-dan-dang-ky-5mb__promotion-content {
  flex-grow: 1;
}

.page-blog-huong-dan-dang-ky-5mb__promotion-title {
  font-size: 1.6em;
  color: #26A9E0;
  margin-bottom: 10px;
}

.page-blog-huong-dan-dang-ky-5mb__faq-list {
  margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-5mb__faq-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}

.page-blog-huong-dan-dang-ky-5mb__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  cursor: pointer;
  font-weight: bold;
  color: #26A9E0;
  background-color: #eaf7fc;
  list-style: none; /* For details/summary */
}

.page-blog-huong-dan-dang-ky-5mb__faq-question::-webkit-details-marker {
  display: none;
}

.page-blog-huong-dan-dang-ky-5mb__faq-qtext {
  flex-grow: 1;
}

.page-blog-huong-dan-dang-ky-5mb__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: #26A9E0;
}

.page-blog-huong-dan-dang-ky-5mb__faq-answer {
  padding: 15px 20px;
  color: #555555;
  background-color: #ffffff;
  border-top: 1px solid #e0e0e0;
}

.page-blog-huong-dan-dang-ky-5mb__faq-answer p {
  margin-bottom: 0;
}

/* Mobile Responsive Styles */
@media (max-width: 1024px) {
  .page-blog-huong-dan-dang-ky-5mb__hero-image {
    max-width: 90%;
  }
  .page-blog-huong-dan-dang-ky-5mb__promotion-card {
    flex-direction: column;
    text-align: center;
  }
  .page-blog-huong-dan-dang-ky-5mb__promotion-image {
    max-width: 80%;
  }
}

@media (max-width: 768px) {
  .page-blog-huong-dan-dang-ky-5mb {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-blog-huong-dan-dang-ky-5mb__hero-article {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }

  .page-blog-huong-dan-dang-ky-5mb__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 0;
  }

  .page-blog-huong-dan-dang-ky-5mb__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-blog-huong-dan-dang-ky-5mb__intro-text {
    font-size: 1em;
  }

  .page-blog-huong-dan-dang-ky-5mb__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog-huong-dan-dang-ky-5mb__section-title {
    font-size: clamp(1.6em, 6vw, 2em);
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-blog-huong-dan-dang-ky-5mb__sub-title {
    font-size: clamp(1.2em, 5vw, 1.6em);
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-blog-huong-dan-dang-ky-5mb__image-inline {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin: 20px auto;
  }

  .page-blog-huong-dan-dang-ky-5mb__cta-buttons {
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
  }

  .page-blog-huong-dan-dang-ky-5mb__btn-primary,
  .page-blog-huong-dan-dang-ky-5mb__btn-secondary,
  .page-blog-huong-dan-dang-ky-5mb a[class*="button"],
  .page-blog-huong-dan-dang-ky-5mb a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog-huong-dan-dang-ky-5mb__cta-buttons,
  .page-blog-huong-dan-dang-ky-5mb__button-group,
  .page-blog-huong-dan-dang-ky-5mb__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-blog-huong-dan-dang-ky-5mb__promotion-card {
    padding: 15px;
    margin-top: 30px;
  }

  .page-blog-huong-dan-dang-ky-5mb__promotion-image {
    max-width: 90%;
    margin: 0 auto 15px;
  }

  .page-blog-huong-dan-dang-ky-5mb__promotion-title {
    font-size: 1.4em;
  }

  .page-blog-huong-dan-dang-ky-5mb__faq-question {
    padding: 12px 15px;
  }

  .page-blog-huong-dan-dang-ky-5mb__faq-answer {
    padding: 12px 15px;
  }
}