.page-blog-huong-dan-dang-ky-5mb {
  font-family: Arial, sans-serif;
  color: #F3F8FF; /* Text Main */
  background-color: var(--deep-navy); /* From shared.css, assumed dark */
}

.page-blog-huong-dan-dang-ky-5mb__container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.page-blog-huong-dan-dang-ky-5mb__hero-section {
  padding-top: 10px; /* Small top padding as shared.css handles body padding */
  padding-bottom: 60px;
  background: linear-gradient(180deg, #113B7A 0%, #08162B 100%);
  color: #F3F8FF;
}

.page-blog-huong-dan-dang-ky-5mb__hero-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  padding: 40px 0;
}

.page-blog-huong-dan-dang-ky-5mb__hero-content {
  flex: 1 1 50%;
  min-width: 300px;
}

.page-blog-huong-dan-dang-ky-5mb__main-title {
  font-size: clamp(2em, 4vw, 3.2em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #F2C14E; /* Gold */
}

.page-blog-huong-dan-dang-ky-5mb__description {
  font-size: 1.1em;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #AFC4E8; /* Text Secondary */
}

.page-blog-huong-dan-dang-ky-5mb__cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-blog-huong-dan-dang-ky-5mb__btn-primary,
.page-blog-huong-dan-dang-ky-5mb__btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-5mb__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); /* Button custom color */
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog-huong-dan-dang-ky-5mb__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
}

.page-blog-huong-dan-dang-ky-5mb__btn-secondary {
  background: transparent;
  color: #F2C14E; /* Gold */
  border: 2px solid #F2C14E; /* Gold */
}

.page-blog-huong-dan-dang-ky-5mb__btn-secondary:hover {
  background: #F2C14E;
  color: #113B7A; /* Main Color */
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.page-blog-huong-dan-dang-ky-5mb__hero-image {
  flex: 1 1 40%;
  min-width: 300px;
  text-align: center;
}

.page-blog-huong-dan-dang-ky-5mb__side-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: block;
}

.page-blog-huong-dan-dang-ky-5mb__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.3;
}

.page-blog-huong-dan-dang-ky-5mb__section-description {
  font-size: 1.1em;
  line-height: 1.6;
  color: #AFC4E8; /* Text Secondary */
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.page-blog-huong-dan-dang-ky-5mb__guide-section {
  padding: 60px 0;
  background-color: #08162B; /* Deep Navy */
}

.page-blog-huong-dan-dang-ky-5mb__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.page-blog-huong-dan-dang-ky-5mb__step-item {
  background-color: #10233F; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid #244D84; /* Border */
}

.page-blog-huong-dan-dang-ky-5mb__step-number {
  font-size: 3em;
  font-weight: 700;
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
}

.page-blog-huong-dan-dang-ky-5mb__step-title {
  font-size: 1.8em;
  font-weight: 600;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
}

.page-blog-huong-dan-dang-ky-5mb__step-text {
  font-size: 1em;
  line-height: 1.6;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 25px;
}

.page-blog-huong-dan-dang-ky-5mb__step-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-blog-huong-dan-dang-ky-5mb__cta-bottom {
  text-align: center;
  margin-top: 60px;
}

.page-blog-huong-dan-dang-ky-5mb__benefits-section {
  padding: 60px 0;
  background-color: #113B7A; /* Main Color */
}

.page-blog-huong-dan-dang-ky-5mb__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-blog-huong-dan-dang-ky-5mb__benefit-card {
  background-color: #10233F; /* Card BG */
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #244D84; /* Border */
  color: #F3F8FF;
}

.page-blog-huong-dan-dang-ky-5mb__card-title {
  font-size: 1.5em;
  font-weight: 600;
  color: #F2C14E; /* Gold */
  margin-bottom: 10px;
}

.page-blog-huong-dan-dang-ky-5mb__card-text {
  font-size: 1em;
  line-height: 1.6;
  color: #AFC4E8; /* Text Secondary */
}

.page-blog-huong-dan-dang-ky-5mb__benefits-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  margin: 40px auto 0;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-blog-huong-dan-dang-ky-5mb__faq-section {
  padding: 60px 0;
  background-color: #08162B; /* Deep Navy */
}

.page-blog-huong-dan-dang-ky-5mb__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-huong-dan-dang-ky-5mb__faq-item {
  background-color: #10233F; /* Card BG */
  border: 1px solid #244D84; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-blog-huong-dan-dang-ky-5mb__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: #F3F8FF; /* Text Main */
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  transition: background-color 0.3s ease;
}

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

.page-blog-huong-dan-dang-ky-5mb__faq-item summary:hover {
  background-color: #1D5FD1; /* Auxiliary Color */
}

.page-blog-huong-dan-dang-ky-5mb__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: #F2C14E; /* Gold */
  margin-left: 15px;
}

.page-blog-huong-dan-dang-ky-5mb__faq-item[open] .page-blog-huong-dan-dang-ky-5mb__faq-toggle {
  content: '−';
}

.page-blog-huong-dan-dang-ky-5mb__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: #AFC4E8; /* Text Secondary */
  border-top: 1px solid #1B3357; /* Divider */
}

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

.page-blog-huong-dan-dang-ky-5mb__faq-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  margin: 40px auto 0;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-blog-huong-dan-dang-ky-5mb__cta-final {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(180deg, #1D5FD1 0%, #113B7A 100%);
}

.page-blog-huong-dan-dang-ky-5mb__cta-final .page-blog-huong-dan-dang-ky-5mb__section-title {
  color: #F3F8FF; /* Text Main */
  margin-bottom: 25px;
}

.page-blog-huong-dan-dang-ky-5mb__cta-final .page-blog-huong-dan-dang-ky-5mb__section-description {
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 40px;
}

.page-blog-huong-dan-dang-ky-5mb img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-blog-huong-dan-dang-ky-5mb__main-title {
    font-size: clamp(2em, 5vw, 2.8em);
  }

  .page-blog-huong-dan-dang-ky-5mb__hero-container {
    gap: 30px;
    padding: 30px 0;
  }

  .page-blog-huong-dan-dang-ky-5mb__section-title {
    font-size: 2em;
  }

  .page-blog-huong-dan-dang-ky-5mb__guide-steps,
  .page-blog-huong-dan-dang-ky-5mb__benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
  }
}

@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-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-blog-huong-dan-dang-ky-5mb__hero-container {
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
  }

  .page-blog-huong-dan-dang-ky-5mb__hero-content {
    order: 2;
    flex: 1 1 100%;
  }

  .page-blog-huong-dan-dang-ky-5mb__hero-image {
    order: 1;
    flex: 1 1 100%;
    margin-bottom: 20px;
  }

  .page-blog-huong-dan-dang-ky-5mb__main-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-blog-huong-dan-dang-ky-5mb__description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-blog-huong-dan-dang-ky-5mb__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
  }

  .page-blog-huong-dan-dang-ky-5mb__btn-primary,
  .page-blog-huong-dan-dang-ky-5mb__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin-left: auto;
    margin-right: auto;
  }

  .page-blog-huong-dan-dang-ky-5mb__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

  .page-blog-huong-dan-dang-ky-5mb__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-blog-huong-dan-dang-ky-5mb__guide-section,
  .page-blog-huong-dan-dang-ky-5mb__benefits-section,
  .page-blog-huong-dan-dang-ky-5mb__faq-section,
  .page-blog-huong-dan-dang-ky-5mb__cta-final {
    padding: 40px 0;
  }

  .page-blog-huong-dan-dang-ky-5mb__guide-steps,
  .page-blog-huong-dan-dang-ky-5mb__benefits-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .page-blog-huong-dan-dang-ky-5mb__step-item,
  .page-blog-huong-dan-dang-ky-5mb__benefit-card {
    padding: 20px;
  }

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

  .page-blog-huong-dan-dang-ky-5mb__faq-item summary {
    font-size: 1.1em;
    padding: 15px 20px;
  }

  .page-blog-huong-dan-dang-ky-5mb__faq-answer {
    padding: 10px 20px 15px;
  }

  .page-blog-huong-dan-dang-ky-5mb img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

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