.page-blog-huong-dan-dang-ky-hello88 { font-family: 'Arial', sans-serif; color: #333333; line-height: 1.6; background-color: #FFFFFF; }
.page-blog-huong-dan-dang-ky-hello88__container { max-width: 1170px; margin: 0 auto; padding: 0 16px; }
.page-blog-huong-dan-dang-ky-hello88__section-title { font-size: 2.5em; color: #26A9E0; text-align: center; margin-bottom: 20px; font-weight: 700; }
.page-blog-huong-dan-dang-ky-hello88__section-description { font-size: 1.1em; text-align: center; margin-bottom: 40px; max-width: 800px; margin-left: auto; margin-right: auto; }
.page-blog-huong-dan-dang-ky-hello88__btn-primary, .page-blog-huong-dan-dang-ky-hello88__btn-secondary { display: inline-block; padding: 12px 25px; border-radius: 8px; text-decoration: none; font-weight: 600; transition: all 0.3s ease; text-align: center; white-space: normal; word-wrap: break-word; box-sizing: border-box; }
.page-blog-huong-dan-dang-ky-hello88__btn-primary { background-color: #26A9E0; color: #FFFFFF; border: 2px solid #26A9E0; }
.page-blog-huong-dan-dang-ky-hello88__btn-primary:hover { background-color: #1e87b7; border-color: #1e87b7; }
.page-blog-huong-dan-dang-ky-hello88__btn-secondary { background-color: #FFFFFF; color: #26A9E0; border: 2px solid #26A9E0; }
.page-blog-huong-dan-dang-ky-hello88__btn-secondary:hover { background-color: #f0f8ff; color: #1e87b7; border-color: #1e87b7; }
.page-blog-huong-dan-dang-ky-hello88__cta-buttons { display: flex; justify-content: center; gap: 20px; margin-top: 30px; }
.page-blog-huong-dan-dang-ky-hello88__cta-center { text-align: center; margin-top: 40px; }
.page-blog-huong-dan-dang-ky-hello88 img { max-width: 100%; height: auto; display: block; }

/* Hero Section */
.page-blog-huong-dan-dang-ky-hello88__hero-section { padding-top: 10px; padding-bottom: 60px; background-color: #f8faff; }
.page-blog-huong-dan-dang-ky-hello88__hero-container { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; padding: 40px 16px; max-width: 1170px; margin: 0 auto; }
.page-blog-huong-dan-dang-ky-hello88__hero-content { flex: 1; min-width: 300px; }
.page-blog-huong-dan-dang-ky-hello88__main-title { font-size: 3.2em; color: #1e1765; margin-bottom: 20px; line-height: 1.2; font-weight: 800; }
.page-blog-huong-dan-dang-ky-hello88__hero-description { font-size: 1.2em; color: #555; margin-bottom: 30px; }
.page-blog-huong-dan-dang-ky-hello88__hero-image { flex: 1; min-width: 400px; text-align: center; }
.page-blog-huong-dan-dang-ky-hello88__hero-side-image { border-radius: 12px; box-shadow: 0 8px 20px rgba(0,0,0,0.1); }

/* Intro Section */
.page-blog-huong-dan-dang-ky-hello88__intro-section { padding: 80px 0; background-color: #FFFFFF; }
.page-blog-huong-dan-dang-ky-hello88__feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.page-blog-huong-dan-dang-ky-hello88__feature-item { text-align: center; padding: 30px; border-radius: 12px; background-color: #f0f8ff; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.page-blog-huong-dan-dang-ky-hello88__icon-box-media { width: 160px; height: 160px; aspect-ratio: 1/1; margin: 0 auto 20px; border-radius: 50%; overflow: hidden; border: 4px solid #26A9E0; display: flex; align-items: center; justify-content: center; }
.page-blog-huong-dan-dang-ky-hello88__icon-box-media img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; }
.page-blog-huong-dan-dang-ky-hello88__feature-title { font-size: 1.5em; color: #26A9E0; margin-bottom: 15px; font-weight: 700; }
.page-blog-huong-dan-dang-ky-hello88__feature-text { font-size: 1em; color: #666; }

/* Guide Section */
.page-blog-huong-dan-dang-ky-hello88__guide-section { padding: 80px 0; background-color: #f8faff; }
.page-blog-huong-dan-dang-ky-hello88__guide-step { display: flex; align-items: center; gap: 40px; margin-bottom: 60px; flex-wrap: wrap; }
.page-blog-huong-dan-dang-ky-hello88__guide-step:last-of-type { margin-bottom: 0; }
.page-blog-huong-dan-dang-ky-hello88__guide-step.reverse { flex-direction: row-reverse; }
.page-blog-huong-dan-dang-ky-hello88__guide-content { flex: 1; min-width: 300px; }
.page-blog-huong-dan-dang-ky-hello88__guide-image { flex: 1; min-width: 400px; text-align: center; }
.page-blog-huong-dan-dang-ky-hello88__guide-image img { border-radius: 12px; box-shadow: 0 6px 15px rgba(0,0,0,0.1); }
.page-blog-huong-dan-dang-ky-hello88__guide-title { font-size: 1.8em; color: #1e1765; margin-bottom: 15px; font-weight: 700; }
.page-blog-huong-dan-dang-ky-hello88__guide-text { font-size: 1.1em; color: #555; margin-bottom: 20px; }

/* Promo Section */
.page-blog-huong-dan-dang-ky-hello88__promo-section { padding: 80px 0; background-color: #FFFFFF; }
.page-blog-huong-dan-dang-ky-hello88__promo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.page-blog-huong-dan-dang-ky-hello88__promo-card { background-color: #f0f8ff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.08); text-align: center; }
.page-blog-huong-dan-dang-ky-hello88__promo-image { width: 100%; height: 200px; object-fit: cover; display: block; }
.page-blog-huong-dan-dang-ky-hello88__promo-card h3 { font-size: 1.4em; color: #26A9E0; margin: 20px 15px 10px; font-weight: 700; }
.page-blog-huong-dan-dang-ky-hello88__promo-card p { font-size: 1em; color: #666; padding: 0 15px 20px; }

/* Note Section */
.page-blog-huong-dan-dang-ky-hello88__note-section { padding: 80px 0; background-color: #f8faff; }
.page-blog-huong-dan-dang-ky-hello88__note-list { list-style: none; padding: 0; margin-top: 40px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.page-blog-huong-dan-dang-ky-hello88__note-item { background-color: #FFFFFF; padding: 30px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.page-blog-huong-dan-dang-ky-hello88__note-subtitle { font-size: 1.5em; color: #26A9E0; margin-bottom: 10px; font-weight: 700; }
.page-blog-huong-dan-dang-ky-hello88__note-text { font-size: 1em; color: #666; }

/* FAQ Section */
.page-blog-huong-dan-dang-ky-hello88__faq-section { padding: 80px 0; background-color: #FFFFFF; }
.page-blog-huong-dan-dang-ky-hello88__faq-list { max-width: 900px; margin: 40px auto 0; }
.page-blog-huong-dan-dang-ky-hello88__faq-item { background-color: #f0f8ff; border-radius: 8px; margin-bottom: 15px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.page-blog-huong-dan-dang-ky-hello88__faq-question { display: flex; justify-content: space-between; align-items: center; padding: 20px 25px; cursor: pointer; font-size: 1.2em; color: #1e1765; font-weight: 600; background-color: #e0f0ff; }
.page-blog-huong-dan-dang-ky-hello88__faq-question:hover { background-color: #d0e0ff; }
.page-blog-huong-dan-dang-ky-hello88__faq-toggle { font-size: 1.5em; line-height: 1; margin-left: 15px; color: #26A9E0; }
.page-blog-huong-dan-dang-ky-hello88__faq-item[open] .page-blog-huong-dan-dang-ky-hello88__faq-toggle { color: #EA7C07; }
.page-blog-huong-dan-dang-ky-hello88__faq-answer { padding: 0 25px 20px; font-size: 1.05em; color: #555; }
.page-blog-huong-dan-dang-ky-hello88__faq-answer p { margin: 0; }
.page-blog-huong-dan-dang-ky-hello88__faq-item summary::-webkit-details-marker { display: none; }
.page-blog-huong-dan-dang-ky-hello88__faq-item summary { list-style: none; }
.page-blog-huong-dan-dang-ky-hello88__faq-image { text-align: center; margin-top: 40px; }
.page-blog-huong-dan-dang-ky-hello88__faq-image img { border-radius: 12px; box-shadow: 0 6px 15px rgba(0,0,0,0.1); max-width: 800px; width: 100%; }

/* CTA Section */
.page-blog-huong-dan-dang-ky-hello88__cta-section { padding: 80px 0; background-color: #26A9E0; color: #FFFFFF; text-align: center; }
.page-blog-huong-dan-dang-ky-hello88__cta-section .page-blog-huong-dan-dang-ky-hello88__section-title { color: #FFFFFF; }
.page-blog-huong-dan-dang-ky-hello88__cta-section .page-blog-huong-dan-dang-ky-hello88__section-description { color: #f0f8ff; }
.page-blog-huong-dan-dang-ky-hello88__cta-section .page-blog-huong-dan-dang-ky-hello88__btn-secondary { background-color: #FFFFFF; color: #26A9E0; border-color: #FFFFFF; }
.page-blog-huong-dan-dang-ky-hello88__cta-section .page-blog-huong-dan-dang-ky-hello88__btn-secondary:hover { background-color: #e0f0ff; color: #1e87b7; border-color: #e0f0ff; }

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog-huong-dan-dang-ky-hello88__main-title { font-size: 2.8em; }
  .page-blog-huong-dan-dang-ky-hello88__hero-container { flex-direction: column; text-align: center; }
  .page-blog-huong-dan-dang-ky-hello88__hero-content, .page-blog-huong-dan-dang-ky-hello88__hero-image { min-width: unset; width: 100%; }
  .page-blog-huong-dan-dang-ky-hello88__hero-description { max-width: 700px; margin-left: auto; margin-right: auto; }
  .page-blog-huong-dan-dang-ky-hello88__guide-step { flex-direction: column; text-align: center; }
  .page-blog-huong-dan-dang-ky-hello88__guide-step.reverse { flex-direction: column; }
  .page-blog-huong-dan-dang-ky-hello88__guide-content, .page-blog-huong-dan-dang-ky-hello88__guide-image { min-width: unset; width: 100%; }
  .page-blog-huong-dan-dang-ky-hello88__promo-image { height: 180px; }
}

@media (max-width: 768px) {
  .page-blog-huong-dan-dang-ky-hello88 { font-size: 16px; line-height: 1.6; }
  .page-blog-huong-dan-dang-ky-hello88__section-title { font-size: 2em !important; margin-bottom: 15px !important; }
  .page-blog-huong-dan-dang-ky-hello88__section-description { font-size: 1em !important; margin-bottom: 30px !important; }
  .page-blog-huong-dan-dang-ky-hello88__container { padding-left: 15px !important; padding-right: 15px !important; width: 100% !important; box-sizing: border-box !important; max-width: 100% !important; }

  /* HERO Section - Mobile */
  .page-blog-huong-dan-dang-ky-hello88__hero-section { padding-top: 10px !important; padding-bottom: 40px !important; }
  .page-blog-huong-dan-dang-ky-hello88__hero-container { padding: 20px 15px !important; gap: 20px !important; }
  .page-blog-huong-dan-dang-ky-hello88__main-title { font-size: 2.2em !important; margin-bottom: 15px !important; }
  .page-blog-huong-dan-dang-ky-hello88__hero-description { font-size: 1em !important; margin-bottom: 25px !important; }
  .page-blog-huong-dan-dang-ky-hello88__cta-buttons { flex-direction: column !important; gap: 15px !important; margin-top: 20px !important; }
  .page-blog-huong-dan-dang-ky-hello88__btn-primary, .page-blog-huong-dan-dang-ky-hello88__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  /* Intro Section - Mobile */
  .page-blog-huong-dan-dang-ky-hello88__intro-section { padding: 40px 0 !important; }
  .page-blog-huong-dan-dang-ky-hello88__feature-grid { gap: 20px !important; }
  .page-blog-huong-dan-dang-ky-hello88__icon-box-media { width: 120px !important; height: 120px !important; margin-bottom: 15px !important; border-width: 3px !important; }
  .page-blog-huong-dan-dang-ky-hello88__feature-title { font-size: 1.3em !important; margin-bottom: 10px !important; }
  .page-blog-huong-dan-dang-ky-hello88__feature-item { padding: 20px !important; }

  /* Guide Section - Mobile */
  .page-blog-huong-dan-dang-ky-hello88__guide-section { padding: 40px 0 !important; }
  .page-blog-huong-dan-dang-ky-hello88__guide-step { margin-bottom: 40px !important; gap: 20px !important; }
  .page-blog-huong-dan-dang-ky-hello88__guide-title { font-size: 1.5em !important; margin-bottom: 10px !important; }
  .page-blog-huong-dan-dang-ky-hello88__guide-text { font-size: 1em !important; margin-bottom: 15px !important; }

  /* Promo Section - Mobile */
  .page-blog-huong-dan-dang-ky-hello88__promo-section { padding: 40px 0 !important; }
  .page-blog-huong-dan-dang-ky-hello88__promo-grid { gap: 20px !important; }
  .page-blog-huong-dan-dang-ky-hello88__promo-image { height: 150px !important; }
  .page-blog-huong-dan-dang-ky-hello88__promo-card h3 { font-size: 1.2em !important; margin: 15px 10px 8px !important; }
  .page-blog-huong-dan-dang-ky-hello88__promo-card p { font-size: 0.95em !important; padding: 0 10px 15px !important; }

  /* Note Section - Mobile */
  .page-blog-huong-dan-dang-ky-hello88__note-section { padding: 40px 0 !important; }
  .page-blog-huong-dan-dang-ky-hello88__note-list { gap: 20px !important; }
  .page-blog-huong-dan-dang-ky-hello88__note-item { padding: 20px !important; }
  .page-blog-huong-dan-dang-ky-hello88__note-subtitle { font-size: 1.3em !important; margin-bottom: 8px !important; }
  .page-blog-huong-dan-dang-ky-hello88__note-text { font-size: 0.95em !important; }

  /* FAQ Section - Mobile */
  .page-blog-huong-dan-dang-ky-hello88__faq-section { padding: 40px 0 !important; }
  .page-blog-huong-dan-dang-ky-hello88__faq-question { padding: 15px 20px !important; font-size: 1.1em !important; }
  .page-blog-huong-dan-dang-ky-hello88__faq-answer { padding: 0 20px 15px !important; font-size: 1em !important; }
  .page-blog-huong-dan-dang-ky-hello88__faq-image img { max-width: 100% !important; }

  /* CTA Section - Mobile */
  .page-blog-huong-dan-dang-ky-hello88__cta-section { padding: 40px 0 !important; }

  /* General Image & Container Adaptations */
  .page-blog-huong-dan-dang-ky-hello88 img {
    max-width: 100% !important;
    width: 100% !important; /* Ensure images take full width of their container */
    height: auto !important;
  }
  .page-blog-huong-dan-dang-ky-hello88__section,
  .page-blog-huong-dan-dang-ky-hello88__card,
  .page-blog-huong-dan-dang-ky-hello88__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  /* Specific override for circular images to maintain aspect ratio */
  .page-blog-huong-dan-dang-ky-hello88__icon-box-media img {
    height: 100% !important;
    object-fit: cover !important;
  }
}