.page-blog-huong-dan-dang-ky-xs66 {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main, #333333);
  background-color: var(--background-color, #F5F7FA);
}

.page-blog-huong-dan-dang-ky-xs66__container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.page-blog-huong-dan-dang-ky-xs66__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: #E53935;
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-blog-huong-dan-dang-ky-xs66__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__btn-primary,
.page-blog-huong-dan-dang-ky-xs66__btn-secondary,
.page-blog-huong-dan-dang-ky-xs66__btn-text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-xs66__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
}

.page-blog-huong-dan-dang-ky-xs66__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-xs66__btn-secondary {
  background: #FFFFFF;
  color: #E53935;
  border: 2px solid #E53935;
  box-shadow: 0 4px 15px rgba(229, 57, 53, 0.1);
}

.page-blog-huong-dan-dang-ky-xs66__btn-secondary:hover {
  background: #E53935;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-xs66__btn-text-link {
  color: #E53935;
  background: none;
  border: none;
  padding: 0;
  font-weight: 600;
  text-decoration: underline;
  margin-top: 10px;
}

.page-blog-huong-dan-dang-ky-xs66__btn-text-link:hover {
  color: #FF5A4F;
}

.page-blog-huong-dan-dang-ky-xs66__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-xs66__hero-section {
  padding-top: 10px; /* Small top padding to avoid double header offset */
  padding-bottom: 60px;
  background-color: #F5F7FA;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__hero-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 60px 0;
}

.page-blog-huong-dan-dang-ky-xs66__hero-content {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: left;
}

.page-blog-huong-dan-dang-ky-xs66__hero-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 800;
  color: #E53935;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-blog-huong-dan-dang-ky-xs66__hero-description {
  font-size: 1.15em;
  line-height: 1.7;
  margin-bottom: 30px;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__hero-image {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-xs66__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

.page-blog-huong-dan-dang-ky-xs66__intro-section,
.page-blog-huong-dan-dang-ky-xs66__guide-section,
.page-blog-huong-dan-dang-ky-xs66__benefits-section,
.page-blog-huong-dan-dang-ky-xs66__faq-section,
.page-blog-huong-dan-dang-ky-xs66__cta-final-section {
  padding: 60px 0;
}

.page-blog-huong-dan-dang-ky-xs66__dark-bg {
  background-color: #E53935;
  color: #ffffff;
}

.page-blog-huong-dan-dang-ky-xs66__dark-bg .page-blog-huong-dan-dang-ky-xs66__section-title {
  color: #ffffff;
}

.page-blog-huong-dan-dang-ky-xs66__dark-bg .page-blog-huong-dan-dang-ky-xs66__section-description {
  color: #f0f0f0;
}

.page-blog-huong-dan-dang-ky-xs66__light-bg {
  background-color: #FFFFFF;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__medium-bg {
  background-color: #F5F7FA;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-xs66__feature-item {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.page-blog-huong-dan-dang-ky-xs66__feature-item:hover {
  transform: translateY(-5px);
}

.page-blog-huong-dan-dang-ky-xs66__icon-box-media {
  width: 120px;
  height: 120px;
  aspect-ratio: 1/1;
  margin: 0 auto 20px auto;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 5px rgba(229, 57, 53, 0.2);
}

.page-blog-huong-dan-dang-ky-xs66__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.page-blog-huong-dan-dang-ky-xs66__feature-title {
  font-size: 1.5em;
  font-weight: 700;
  color: #E53935;
  margin-bottom: 10px;
}

.page-blog-huong-dan-dang-ky-xs66__feature-text {
  font-size: 1em;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__step-by-step {
  display: flex;
  flex-direction: column;
  gap: 50px;
  margin-top: 40px;
}

.page-blog-huong-dan-dang-ky-xs66__step-item {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-blog-huong-dan-dang-ky-xs66__step-item--reverse {
  flex-direction: row-reverse;
}

.page-blog-huong-dan-dang-ky-xs66__step-content {
  flex: 1 1 50%;
  min-width: 300px;
}

.page-blog-huong-dan-dang-ky-xs66__step-image {
  flex: 1 1 50%;
  min-width: 300px;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-xs66__step-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

.page-blog-huong-dan-dang-ky-xs66__step-title {
  font-size: 1.8em;
  font-weight: 700;
  color: #E53935;
  margin-bottom: 15px;
}

.page-blog-huong-dan-dang-ky-xs66__step-text {
  font-size: 1.05em;
  line-height: 1.7;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__list {
  list-style: disc;
  margin-left: 20px;
  padding-left: 0;
  font-size: 1.05em;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__list li {
  margin-bottom: 8px;
}

.page-blog-huong-dan-dang-ky-xs66__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog-huong-dan-dang-ky-xs66__benefit-card {
  background: rgba(255, 255, 255, 0.15);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  color: #ffffff;
}

.page-blog-huong-dan-dang-ky-xs66__benefit-title {
  font-size: 1.6em;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.page-blog-huong-dan-dang-ky-xs66__benefit-text {
  font-size: 1em;
  color: #f0f0f0;
}

.page-blog-huong-dan-dang-ky-xs66__image-center {
  text-align: center;
  margin-top: 50px;
}

.page-blog-huong-dan-dang-ky-xs66__image-center img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

.page-blog-huong-dan-dang-ky-xs66__faq-list {
  margin-top: 40px;
}

.page-blog-huong-dan-dang-ky-xs66__faq-item {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: 600;
  cursor: pointer;
  color: #E53935;
  user-select: none;
  list-style: none;
}

.page-blog-huong-dan-dang-ky-xs66__faq-question::-webkit-details-marker {
  display: none;
}

.page-blog-huong-dan-dang-ky-xs66__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #E53935;
  margin-left: 15px;
}

.page-blog-huong-dan-dang-ky-xs66__faq-item[open] .page-blog-huong-dan-dang-ky-xs66__faq-question .page-blog-huong-dan-dang-ky-xs66__faq-toggle {
  content: '−';
}

.page-blog-huong-dan-dang-ky-xs66__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--text-main, #333333);
}

.page-blog-huong-dan-dang-ky-xs66__cta-final-section {
  text-align: center;
  padding: 80px 0;
}

.page-blog-huong-dan-dang-ky-xs66__cta-final-section .page-blog-huong-dan-dang-ky-xs66__cta-buttons {
  margin-top: 40px;
}

/* General image responsiveness */
.page-blog-huong-dan-dang-ky-xs66 img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .page-blog-huong-dan-dang-ky-xs66 {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-blog-huong-dan-dang-ky-xs66__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__hero-container {
    flex-direction: column;
    padding: 30px 0;
    gap: 30px;
  }

  .page-blog-huong-dan-dang-ky-xs66__hero-content {
    text-align: center;
  }

  .page-blog-huong-dan-dang-ky-xs66__hero-title {
    font-size: 2em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__hero-description {
    font-size: 1em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-blog-huong-dan-dang-ky-xs66__btn-primary,
  .page-blog-huong-dan-dang-ky-xs66__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__section-title {
    font-size: 1.8em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__section-description {
    font-size: 0.95em !important;
    margin-bottom: 30px;
  }

  .page-blog-huong-dan-dang-ky-xs66__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-blog-huong-dan-dang-ky-xs66__icon-box-media {
    width: 100px !important;
    height: 100px !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__feature-title {
    font-size: 1.3em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__intro-section,
  .page-blog-huong-dan-dang-ky-xs66__guide-section,
  .page-blog-huong-dan-dang-ky-xs66__benefits-section,
  .page-blog-huong-dan-dang-ky-xs66__faq-section,
  .page-blog-huong-dan-dang-ky-xs66__cta-final-section {
    padding: 40px 0;
  }

  .page-blog-huong-dan-dang-ky-xs66__step-item {
    flex-direction: column;
    gap: 30px;
  }

  .page-blog-huong-dan-dang-ky-xs66__step-item--reverse {
    flex-direction: column;
  }

  .page-blog-huong-dan-dang-ky-xs66__step-title {
    font-size: 1.5em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__step-text,
  .page-blog-huong-dan-dang-ky-xs66__list {
    font-size: 0.95em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-blog-huong-dan-dang-ky-xs66__benefit-title {
    font-size: 1.4em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__faq-question {
    font-size: 1em !important;
    padding: 15px 20px;
  }

  .page-blog-huong-dan-dang-ky-xs66__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95em !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__image-center img,
  .page-blog-huong-dan-dang-ky-xs66__step-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-blog-huong-dan-dang-ky-xs66 img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-blog-huong-dan-dang-ky-xs66__hero-image,
  .page-blog-huong-dan-dang-ky-xs66__step-image,
  .page-blog-huong-dan-dang-ky-xs66__image-center {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-blog-huong-dan-dang-ky-xs66__hero-title {
    font-size: 1.8em !important;
  }
  .page-blog-huong-dan-dang-ky-xs66__section-title {
    font-size: 1.6em !important;
  }
  .page-blog-huong-dan-dang-ky-xs66__step-title {
    font-size: 1.3em !important;
  }
  .page-blog-huong-dan-dang-ky-xs66__cta-buttons {
    padding: 0 10px;
  }
  .page-blog-huong-dan-dang-ky-xs66__btn-primary,
  .page-blog-huong-dan-dang-ky-xs66__btn-secondary {
    padding: 10px 15px;
  }
}