.page-blog-ku777-registration-guide {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default text color for light body background */
  line-height: 1.6;
  background-color: #f8f8f8; /* Slightly off-white for sections */
}

.page-blog-ku777-registration-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog-ku777-registration-guide__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  text-align: center;
  padding: 10px 0 60px 0; /* Small top padding, larger bottom for content */
  overflow: hidden;
}

.page-blog-ku777-registration-guide__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.page-blog-ku777-registration-guide__hero-content {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.9); /* Semi-transparent white background for text */
  padding: 40px;
  border-radius: 10px;
  max-width: 900px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin-top: 20px; /* Space from top */
}

.page-blog-ku777-registration-guide__main-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: #26A9E0;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-blog-ku777-registration-guide__description {
  font-size: 1.15rem;
  color: #555555;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-ku777-registration-guide__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-blog-ku777-registration-guide__btn-primary,
.page-blog-ku777-registration-guide__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog-ku777-registration-guide__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-blog-ku777-registration-guide__btn-primary:hover {
  background-color: #1a7bbd;
  border-color: #1a7bbd;
}

.page-blog-ku777-registration-guide__btn-secondary {
  background-color: #EA7C07;
  color: #FFFFFF;
  border: 2px solid #EA7C07;
}

.page-blog-ku777-registration-guide__btn-secondary:hover {
  background-color: #c96800;
  border-color: #c96800;
}

.page-blog-ku777-registration-guide__btn-large {
  min-width: 250px;
  padding: 18px 35px;
  font-size: 1.2rem;
}

.page-blog-ku777-registration-guide__section {
  padding: 60px 0;
  background-color: #FFFFFF;
  border-bottom: 1px solid #eeeeee;
}

.page-blog-ku777-registration-guide__section-title {
  font-size: 2.5rem;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.3;
}

.page-blog-ku777-registration-guide__paragraph {
  font-size: 1.05rem;
  color: #333333;
  margin-bottom: 20px;
  text-align: justify;
}

.page-blog-ku777-registration-guide__introduction-section {
  background-color: #f8f8f8;
}

.page-blog-ku777-registration-guide__registration-steps {
  background-color: #eaf7ff; /* Light blue background */
}

.page-blog-ku777-registration-guide__steps-grid,
.page-blog-ku777-registration-guide__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-blog-ku777-registration-guide__step-card,
.page-blog-ku777-registration-guide__benefit-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog-ku777-registration-guide__step-card:hover,
.page-blog-ku777-registration-guide__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-blog-ku777-registration-guide__step-image,
.page-blog-ku777-registration-guide__benefit-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block; /* Ensure it behaves as a block element */
  margin-left: auto;
  margin-right: auto;
  min-width: 200px; /* Minimum size requirement */
  min-height: 200px; /* Minimum size requirement */
}

.page-blog-ku777-registration-guide__step-title,
.page-blog-ku777-registration-guide__benefit-title {
  font-size: 1.5rem;
  color: #26A9E0;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-blog-ku777-registration-guide__step-description,
.page-blog-ku777-registration-guide__benefit-description {
  font-size: 1rem;
  color: #555555;
  text-align: justify;
}

.page-blog-ku777-registration-guide__tip,
.page-blog-ku777-registration-guide__note {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
  border-radius: 5px;
  padding: 15px;
  margin-top: 30px;
  font-size: 1rem;
  text-align: left;
}

.page-blog-ku777-registration-guide__new-user-benefits {
  background-color: #26A9E0;
  color: #FFFFFF; /* White text on primary background */
}

.page-blog-ku777-registration-guide__new-user-benefits .page-blog-ku777-registration-guide__section-title,
.page-blog-ku777-registration-guide__new-user-benefits .page-blog-ku777-registration-guide__paragraph {
  color: #FFFFFF;
}

.page-blog-ku777-registration-guide__new-user-benefits .page-blog-ku777-registration-guide__benefit-title {
  color: #FFFFFF;
}

.page-blog-ku777-registration-guide__new-user-benefits .page-blog-ku777-registration-guide__benefit-description {
  color: #f0f0f0;
}

.page-blog-ku777-registration-guide__new-user-benefits .page-blog-ku777-registration-guide__note {
  background-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.4);
}

.page-blog-ku777-registration-guide__member-benefits {
  background-color: #f8f8f8;
}

.page-blog-ku777-registration-guide__benefits-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-blog-ku777-registration-guide__benefits-item {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  padding: 25px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-blog-ku777-registration-guide__item-title {
  font-size: 1.35rem;
  color: #26A9E0;
  font-weight: bold;
}

.page-blog-ku777-registration-guide__item-description {
  font-size: 1rem;
  color: #555555;
  text-align: justify;
}

.page-blog-ku777-registration-guide__content-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-top: 40px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  min-width: 200px;
  min-height: 200px;
}

.page-blog-ku777-registration-guide__faq-section {
  background-color: #eaf7ff;
}

.page-blog-ku777-registration-guide__faq-list {
  margin-top: 30px;
}

.page-blog-ku777-registration-guide__faq-item {
  background-color: #FFFFFF;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-blog-ku777-registration-guide__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: bold;
  color: #333333;
  background-color: #FFFFFF;
  border-bottom: 1px solid #eeeeee;
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

.page-blog-ku777-registration-guide__faq-question::-webkit-details-marker {
  display: none;
}

.page-blog-ku777-registration-guide__faq-question:hover {
  background-color: #f0f8ff;
}

.page-blog-ku777-registration-guide__faq-toggle {
  font-size: 1.5rem;
  color: #26A9E0;
  margin-left: 15px;
}

.page-blog-ku777-registration-guide__faq-item[open] .page-blog-ku777-registration-guide__faq-question {
  border-bottom: none;
}

.page-blog-ku777-registration-guide__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1rem;
  color: #555555;
  text-align: justify;
}

.page-blog-ku777-registration-guide__conclusion-section {
  background-color: #26A9E0;
  color: #FFFFFF;
  text-align: center;
  padding: 80px 0;
}

.page-blog-ku777-registration-guide__conclusion-section .page-blog-ku777-registration-guide__section-title,
.page-blog-ku777-registration-guide__conclusion-section .page-blog-ku777-registration-guide__paragraph {
  color: #FFFFFF;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-blog-ku777-registration-guide__main-title {
    font-size: clamp(1.8rem, 6vw, 3rem);
  }

  .page-blog-ku777-registration-guide__section-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .page-blog-ku777-registration-guide__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog-ku777-registration-guide__hero-section {
    min-height: 400px;
    padding-bottom: 40px;
  }

  .page-blog-ku777-registration-guide__hero-content {
    padding: 25px;
    margin-top: 0;
  }

  .page-blog-ku777-registration-guide__main-title {
    font-size: clamp(1.5rem, 7vw, 2.5rem);
  }

  .page-blog-ku777-registration-guide__description {
    font-size: 1rem;
  }

  .page-blog-ku777-registration-guide__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-blog-ku777-registration-guide__btn-primary,
  .page-blog-ku777-registration-guide__btn-secondary,
  .page-blog-ku777-registration-guide a[class*="button"],
  .page-blog-ku777-registration-guide 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-ku777-registration-guide__section {
    padding: 40px 0;
  }

  .page-blog-ku777-registration-guide__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  .page-blog-ku777-registration-guide__paragraph {
    font-size: 0.95rem;
  }

  .page-blog-ku777-registration-guide__steps-grid,
  .page-blog-ku777-registration-guide__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-blog-ku777-registration-guide__step-card,
  .page-blog-ku777-registration-guide__benefit-card {
    padding: 20px;
  }

  .page-blog-ku777-registration-guide__step-title,
  .page-blog-ku777-registration-guide__benefit-title {
    font-size: 1.3rem;
  }

  .page-blog-ku777-registration-guide__item-title {
    font-size: 1.2rem;
  }

  .page-blog-ku777-registration-guide__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-blog-ku777-registration-guide__faq-answer {
    padding: 10px 20px 15px;
  }

  .page-blog-ku777-registration-guide__hero-image,
  .page-blog-ku777-registration-guide__step-image,
  .page-blog-ku777-registration-guide__benefit-image,
  .page-blog-ku777-registration-guide__content-image,
  .page-blog-ku777-registration-guide img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  
  .page-blog-ku777-registration-guide__video-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

  .page-blog-ku777-registration-guide__video-container,
  .page-blog-ku777-registration-guide__video-wrapper,
  .page-blog-ku777-registration-guide video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-blog-ku777-registration-guide__conclusion-section {
    padding: 60px 0;
  }

  /* Ensure all containers with images/videos/buttons are responsive */
  .page-blog-ku777-registration-guide__section,
  .page-blog-ku777-registration-guide__card,
  .page-blog-ku777-registration-guide__container,
  .page-blog-ku777-registration-guide__cta-buttons,
  .page-blog-ku777-registration-guide__button-group,
  .page-blog-ku777-registration-guide__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}