.page-blog-huong-dan-dang-ky-8ket-nhanh-chong {
  --color-primary: #113B7A;
  --color-secondary: #1D5FD1;
  --color-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --color-card-bg: #10233F;
  --color-text-main: #F3F8FF;
  --color-text-secondary: #AFC4E8;
  --color-border: #244D84;
  --color-glow: #4FA8FF;
  --color-gold: #F2C14E;
  --color-divider: #1B3357;
  --color-deep-navy: #08162B;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__dark-bg {
  background-color: var(--color-deep-navy);
  color: var(--color-text-main);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-container {
  max-width: 1170px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  gap: 40px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-content {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: left;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__main-title {
  font-size: 3.2em;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-text-main);
  max-width: 600px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__description {
  font-size: 1.1em;
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--color-text-secondary);
  max-width: 550px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-primary,
.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  cursor: pointer;
  box-sizing: border-box;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-primary {
  background: var(--color-button-gradient);
  color: var(--color-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-secondary {
  background-color: transparent;
  color: var(--color-text-main);
  border: 2px solid var(--color-secondary);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-secondary:hover {
  background-color: var(--color-secondary);
  color: #ffffff;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-image {
  flex: 1 1 45%;
  min-width: 300px;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-side-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__content-container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
  color: inherit;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__intro-section {
  padding: 80px 0;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__feature-card {
  background-color: var(--color-card-bg);
  color: var(--color-text-main);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--color-border);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__icon-box-media {
  width: 240px;
  height: 240px;
  aspect-ratio: 1/1;
  margin: 0 auto 25px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%; /* Ensure image itself is clipped to circle */
  display: block;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__card-title {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--color-gold);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__card-text {
  font-size: 1em;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__guide-section {
  padding: 80px 0;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__guide-steps {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-item {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-item:nth-child(even) {
  flex-direction: row-reverse;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-media {
  flex: 1 1 50%;
  min-width: 300px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-media img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-content {
  flex: 1 1 50%;
  min-width: 300px;
  padding: 20px;
  background-color: var(--color-card-bg);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-title {
  font-size: 2em;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-gold);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-text {
  font-size: 1.1em;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__tips-section {
  padding: 80px 0;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__tips-list li {
  background-color: #f8f8f8;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  color: #333333;
  font-size: 1.1em;
  line-height: 1.6;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__tips-list li strong {
  color: var(--color-primary);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-section {
  padding: 80px 0;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--color-text-main);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--color-gold);
  cursor: pointer;
  background-color: var(--color-card-bg);
  border-bottom: 1px solid var(--color-divider);
  list-style: none; /* For details summary */
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-question::-webkit-details-marker {
  display: none;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
  color: var(--color-secondary);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-item[open] .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-toggle {
  transform: rotate(45deg);
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--color-text-secondary);
  background-color: #1a3258; /* Slightly lighter dark background for answer */
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-final-section {
  padding: 80px 0;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-final-section .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__section-title {
  margin-bottom: 30px;
}

.page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-final-section .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__description {
  max-width: 700px;
  margin: 0 auto 40px auto;
  color: #555555;
}

/* General image responsiveness */
.page-blog-huong-dan-dang-ky-8ket-nhanh-chong img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__main-title {
    font-size: 2.8em;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__section-title {
    font-size: 2.2em;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__icon-box-media {
    width: 200px;
    height: 200px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-title {
    font-size: 1.8em;
  }
}

@media (max-width: 768px) {
  /* HERO Section */
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    padding-bottom: 40px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-container {
    flex-direction: column;
    padding: 30px 15px;
    gap: 30px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-content,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-image {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__main-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-primary,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  /* Module 1: Three-column feature section */
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__intro-section {
    padding: 60px 0;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__section-title {
    font-size: 1.8em;
    margin-bottom: 40px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__feature-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__icon-box-media {
    width: 180px;
    height: 180px;
    margin-bottom: 20px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__card-title {
    font-size: 1.4em;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__card-text {
    font-size: 0.95em;
  }

  /* Guide Section */
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__guide-section {
    padding: 60px 0;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__guide-steps {
    gap: 40px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-item,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-item:nth-child(even) {
    flex-direction: column;
    text-align: center;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-media,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-content {
    flex: 1 1 100%;
    min-width: unset;
    width: 100%;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-content {
    padding: 20px 15px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-title {
    font-size: 1.6em;
    margin-bottom: 15px;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-text {
    font-size: 1em;
  }

  /* Tips Section */
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__tips-section {
    padding: 60px 0;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__tips-list li {
    font-size: 1em;
    padding: 15px;
  }

  /* FAQ Section */
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-section {
    padding: 60px 0;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-question {
    padding: 18px 20px;
    font-size: 1.1em;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-answer {
    padding: 12px 20px 15px;
    font-size: 0.95em;
  }

  /* Final CTA Section */
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-final-section {
    padding: 60px 0;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-final-section .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__description {
    font-size: 1em;
    padding: 0 15px;
  }

  /* Universal image and container adaptation */
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-container,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__content-container,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__feature-card,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-item,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-content,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__tips-list li,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__faq-item,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__cta-final-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-content,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__hero-image,
  .page-blog-huong-dan-dang-ky-8ket-nhanh-chong__step-media {
    padding-left: 0;
    padding-right: 0;
  }
}