.page-dai-ly-bia66 {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF; /* Default light background */
}

.page-dai-ly-bia66__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Hero Section */
.page-dai-ly-bia66__hero-section {
  position: relative;
  text-align: center;
  padding-top: 10px; /* Small top padding for first section */
  background-color: #017439; /* Brand primary color */
  color: #ffffff;
  overflow: hidden;
}

.page-dai-ly-bia66__hero-image {
  width: 100%;
  height: 500px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-dai-ly-bia66__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-dai-ly-bia66__hero-content {
  padding: 40px 20px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.page-dai-ly-bia66__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
}

.page-dai-ly-bia66__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-dai-ly-bia66__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-dai-ly-bia66__btn-primary,
.page-dai-ly-bia66__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  max-width: 100%; /* Ensure button responsive */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-dai-ly-bia66__btn-primary {
  background-color: #C30808; /* Register/Login color */
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #C30808;
}

.page-dai-ly-bia66__btn-primary:hover {
  background-color: #e00a0a;
  border-color: #e00a0a;
}

.page-dai-ly-bia66__btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.page-dai-ly-bia66__btn-secondary:hover {
  background-color: #ffffff;
  color: #017439;
}

/* General Section Styles */
.page-dai-ly-bia66__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
}

.page-dai-ly-bia66__dark-bg .page-dai-ly-bia66__section-title,
.page-dai-ly-bia66__dark-bg .page-dai-ly-bia66__sub-title,
.page-dai-ly-bia66__dark-bg p,
.page-dai-ly-bia66__dark-bg li {
  color: #ffffff;
}

.page-dai-ly-bia66__light-bg .page-dai-ly-bia66__section-title,
.page-dai-ly-bia66__light-bg .page-dai-ly-bia66__sub-title,
.page-dai-ly-bia66__light-bg p,
.page-dai-ly-bia66__light-bg li {
  color: #333333;
}

.page-dai-ly-bia66__light-bg {
  background-color: #ffffff;
}

.page-dai-ly-bia66__dark-bg {
  background-color: #017439;
}

.page-dai-ly-bia66__about-section,
.page-dai-ly-bia66__commission-section,
.page-dai-ly-bia66__support-section,
.page-dai-ly-bia66__faq-section,
.page-dai-ly-bia66__cta-bottom-section {
  padding: 60px 0;
}

.page-dai-ly-bia66__content-grid {
  display: flex;
  gap: 40px;
  align-items: center;
}

.page-dai-ly-bia66__content-grid > div {
  flex: 1;
}

.page-dai-ly-bia66__text-block h3.page-dai-ly-bia66__sub-title {
  font-size: 1.6rem;
  margin-top: 25px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-dai-ly-bia66__text-block p {
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.page-dai-ly-bia66__image-block img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  min-width: 200px;
  min-height: 200px;
}

.page-dai-ly-bia66__benefits-list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.page-dai-ly-bia66__benefits-list li {
  margin-bottom: 10px;
  padding-left: 25px;
  position: relative;
  font-size: 1.05rem;
}

.page-dai-ly-bia66__benefits-list li::before {
  content: '✓';
  color: #017439;
  font-weight: bold;
  position: absolute;
  left: 0;
}

.page-dai-ly-bia66__dark-bg .page-dai-ly-bia66__benefits-list li::before {
  color: #FFFF00; /* Yellow checkmark on dark background */
}

.page-dai-ly-bia66__center-cta {
  text-align: center;
  margin-top: 40px;
}

/* Process Section */
.page-dai-ly-bia66__process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-dai-ly-bia66__step-card {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  transition: transform 0.3s ease;
  color: #333333;
}

.page-dai-ly-bia66__step-card:hover {
  transform: translateY(-5px);
}

.page-dai-ly-bia66__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #017439;
  color: #ffffff;
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(1, 116, 57, 0.3);
}

.page-dai-ly-bia66__step-card .page-dai-ly-bia66__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.page-dai-ly-bia66__step-card p {
  font-size: 1rem;
  line-height: 1.6;
}

.page-dai-ly-bia66__step-card a {
  color: #017439;
  text-decoration: underline;
}

/* Support Section */
.page-dai-ly-bia66__support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-dai-ly-bia66__support-card {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  color: #333333;
}

.page-dai-ly-bia66__support-card img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 20px;
  border-radius: 8px;
  min-width: 200px;
  min-height: 200px;
}

.page-dai-ly-bia66__support-card .page-dai-ly-bia66__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
}

.page-dai-ly-bia66__support-card p {
  font-size: 1rem;
}

/* FAQ Section */
details.page-dai-ly-bia66__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
details.page-dai-ly-bia66__faq-item summary.page-dai-ly-bia66__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-dai-ly-bia66__faq-item summary.page-dai-ly-bia66__faq-question::-webkit-details-marker {
  display: none;
}
details.page-dai-ly-bia66__faq-item summary.page-dai-ly-bia66__faq-question:hover {
  background: #f5f5f5;
}
.page-dai-ly-bia66__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}
.page-dai-ly-bia66__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-dai-ly-bia66__faq-item .page-dai-ly-bia66__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #333333;
}

/* CTA Bottom Section */
.page-dai-ly-bia66__cta-bottom-section {
  text-align: center;
  background-color: #017439;
  color: #ffffff;
}

.page-dai-ly-bia66__cta-bottom-content {
  padding: 60px 20px;
}

.page-dai-ly-bia66__cta-bottom-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #f0f0f0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-dai-ly-bia66__hero-image {
    height: 400px;
  }
  .page-dai-ly-bia66__hero-content {
    padding: 30px 20px;
  }
  .page-dai-ly-bia66__main-title {
    font-size: clamp(2rem, 3.8vw, 3.2rem);
  }
  .page-dai-ly-bia66__subtitle {
    font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  }
  .page-dai-ly-bia66__section-title {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
  }
  .page-dai-ly-bia66__about-section, .page-dai-ly-bia66__commission-section, .page-dai-ly-bia66__support-section, .page-dai-ly-bia66__faq-section, .page-dai-ly-bia66__cta-bottom-section {
    padding: 50px 0;
  }
  .page-dai-ly-bia66__content-grid {
    flex-direction: column;
    gap: 30px;
  }
  .page-dai-ly-bia66__content-grid > div {
    flex: none;
    width: 100%;
  }
  .page-dai-ly-bia66__content-grid .page-dai-ly-bia66__image-block:first-child {
    order: 2;
  }
  .page-dai-ly-bia66__process-steps, .page-dai-ly-bia66__support-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 849px) {
  .page-dai-ly-bia66__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
}

@media (max-width: 768px) {
  .page-dai-ly-bia66 {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-dai-ly-bia66__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Hero Section */
  .page-dai-ly-bia66__hero-section {
    padding-top: 10px; /* Consistent small top padding */
  }
  .page-dai-ly-bia66__hero-image {
    height: 280px;
  }
  .page-dai-ly-bia66__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
  .page-dai-ly-bia66__hero-content {
    padding: 25px 15px;
  }
  .page-dai-ly-bia66__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-dai-ly-bia66__subtitle {
    font-size: clamp(0.9rem, 3.5vw, 1.1rem);
    margin-bottom: 25px;
  }
  .page-dai-ly-bia66__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-dai-ly-bia66__btn-primary,
  .page-dai-ly-bia66__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* General Section Styles */
  .page-dai-ly-bia66__section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: 30px;
    padding: 0 10px;
  }
  .page-dai-ly-bia66__about-section, .page-dai-ly-bia66__commission-section, .page-dai-ly-bia66__support-section, .page-dai-ly-bia66__faq-section, .page-dai-ly-bia66__cta-bottom-section {
    padding: 40px 0;
  }
  .page-dai-ly-bia66__content-grid {
    flex-direction: column;
    gap: 25px;
  }
  .page-dai-ly-bia66__text-block h3.page-dai-ly-bia66__sub-title {
    font-size: 1.4rem;
  }
  .page-dai-ly-bia66__text-block p, .page-dai-ly-bia66__benefits-list li {
    font-size: 0.95rem;
  }
  .page-dai-ly-bia66__image-block img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  /* Process Section */
  .page-dai-ly-bia66__process-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-dai-ly-bia66__step-card {
    padding: 25px;
  }
  .page-dai-ly-bia66__step-number {
    width: 50px;
    height: 50px;
    font-size: 1.8rem;
  }
  .page-dai-ly-bia66__step-card .page-dai-ly-bia66__card-title {
    font-size: 1.25rem;
  }

  /* Support Section */
  .page-dai-ly-bia66__support-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-dai-ly-bia66__support-card img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  .page-dai-ly-bia66__support-card .page-dai-ly-bia66__card-title {
    font-size: 1.25rem;
  }

  /* FAQ Section */
  details.page-dai-ly-bia66__faq-item summary.page-dai-ly-bia66__faq-question {
    padding: 15px;
  }
  .page-dai-ly-bia66__faq-qtext {
    font-size: 15px;
  }
  details.page-dai-ly-bia66__faq-item .page-dai-ly-bia66__faq-answer {
    padding: 0 15px 15px;
  }
  
  /* CTA Bottom Section */
  .page-dai-ly-bia66__cta-bottom-content {
    padding: 40px 15px;
  }
  .page-dai-ly-bia66__cta-bottom-content p {
    font-size: 1rem;
  }
}