.page-ban-ca-bi-quyet-kiem-tien {
  font-family: 'Arial', sans-serif;
  color: #FFF3E6; /* Text Main */
  background-color: #0D0E12; /* Background */
  line-height: 1.6;
  font-size: 16px;
}

.page-ban-ca-bi-quyet-kiem-tien__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.page-ban-ca-bi-quyet-kiem-tien__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit height for hero image */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-ban-ca-bi-quyet-kiem-tien__hero-section img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-ban-ca-bi-quyet-kiem-tien__hero-content {
  max-width: 900px;
  margin: 20px auto 40px auto;
  padding: 0 20px;
}

.page-ban-ca-bi-quyet-kiem-tien__main-title {
  color: #FF8C1A; /* Main Color */
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
  text-shadow: 0 0 10px rgba(255, 140, 26, 0.5);
}

.page-ban-ca-bi-quyet-kiem-tien__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #FFF3E6; /* Text Main */
}

.page-ban-ca-bi-quyet-kiem-tien__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-ban-ca-bi-quyet-kiem-tien__cta-buttons--bottom {
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-ban-ca-bi-quyet-kiem-tien__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-ban-ca-bi-quyet-kiem-tien__btn--primary {
  background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%); /* Button Color */
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(255, 165, 58, 0.4);
}

.page-ban-ca-bi-quyet-kiem-tien__btn--primary:hover {
  background: linear-gradient(180deg, #D96800 0%, #FFA53A 100%);
  box-shadow: 0 6px 20px rgba(255, 165, 58, 0.6);
  transform: translateY(-2px);
}

.page-ban-ca-bi-quyet-kiem-tien__btn--secondary {
  background-color: #17191F; /* Card BG */
  color: #FF8C1A; /* Main Color */
  border: 2px solid #A84F0C; /* Border Color */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-ban-ca-bi-quyet-kiem-tien__btn--secondary:hover {
  background-color: #FF8C1A; /* Main Color */
  color: #ffffff;
  border-color: #FFB04D; /* Glow */
  box-shadow: 0 6px 15px rgba(255, 140, 26, 0.6);
  transform: translateY(-2px);
}

.page-ban-ca-bi-quyet-kiem-tien__article-wrap {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 25px;
  background-color: #17191F; /* Card BG */
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  padding-bottom: 40px;
}

.page-ban-ca-bi-quyet-kiem-tien__section {
  padding: 30px 0;
  border-bottom: 1px solid rgba(168, 79, 12, 0.3); /* Border Color with transparency */
}

.page-ban-ca-bi-quyet-kiem-tien__section:last-of-type {
  border-bottom: none;
}

.page-ban-ca-bi-quyet-kiem-tien__section-title {
  color: #FF8C1A; /* Main Color */
  font-size: 2.2em;
  font-weight: 700;
  margin-bottom: 25px;
  text-align: center;
  position: relative;
  padding-bottom: 10px;
}

.page-ban-ca-bi-quyet-kiem-tien__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, #FFB04D, transparent); /* Glow */
  border-radius: 2px;
}

.page-ban-ca-bi-quyet-kiem-tien__sub-title {
  color: #FFA53A; /* Auxiliary Color */
  font-size: 1.6em;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-ban-ca-bi-quyet-kiem-tien p {
  margin-bottom: 15px;
  color: #FFF3E6; /* Text Main */
}

.page-ban-ca-bi-quyet-kiem-tien strong {
  color: #FFB04D; /* Glow */
}

.page-ban-ca-bi-quyet-kiem-tien a {
  color: #FFB04D; /* Glow */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-ban-ca-bi-quyet-kiem-tien a:hover {
  color: #FFA53A; /* Auxiliary Color */
  text-decoration: underline;
}

.page-ban-ca-bi-quyet-kiem-tien__figure {
  margin: 30px auto;
  text-align: center;
  background-color: #0D0E12; /* Background */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.page-ban-ca-bi-quyet-kiem-tien__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-bottom: 2px solid #A84F0C; /* Border Color */
}

.page-ban-ca-bi-quyet-kiem-tien__figcaption {
  font-size: 0.9em;
  color: #FFF3E6; /* Text Main */
  padding: 10px 15px;
}

.page-ban-ca-bi-quyet-kiem-tien__list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-ban-ca-bi-quyet-kiem-tien__list-item {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
  color: #FFF3E6; /* Text Main */
}

.page-ban-ca-bi-quyet-kiem-tien__list-item::before {
  content: '★';
  position: absolute;
  left: 0;
  color: #FFB04D; /* Glow */
  font-weight: bold;
}

.page-ban-ca-bi-quyet-kiem-tien__ordered-list {
  list-style: decimal;
  padding-left: 25px;
  margin-bottom: 20px;
}

.page-ban-ca-bi-quyet-kiem-tien__ordered-list .page-ban-ca-bi-quyet-kiem-tien__list-item {
  padding-left: 0;
  margin-bottom: 10px;
}

.page-ban-ca-bi-quyet-kiem-tien__ordered-list .page-ban-ca-bi-quyet-kiem-tien__list-item::before {
  content: none;
}

.page-ban-ca-bi-quyet-kiem-tien__faq-section {
  background-color: #0D0E12; /* Background */
  border-radius: 12px;
  padding: 30px;
  margin: 40px auto;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  border: 1px solid #A84F0C; /* Border Color */
}

.page-ban-ca-bi-quyet-kiem-tien__faq-item {
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(168, 79, 12, 0.3);
  padding-bottom: 20px;
}

.page-ban-ca-bi-quyet-kiem-tien__faq-item:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-ban-ca-bi-quyet-kiem-tien__faq-question {
  color: #FF8C1A; /* Main Color */
  font-size: 1.4em;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 10px;
}

.page-ban-ca-bi-quyet-kiem-tien__faq-answer {
  color: #FFF3E6; /* Text Main */
  font-size: 1em;
  padding-left: 15px;
}

/* --- Responsive Styles --- */

/* Tablet and Mobile */
@media (max-width: 1024px) {
  .page-ban-ca-bi-quyet-kiem-tien__article-wrap {
    margin: 30px auto;
    padding: 0 20px;
  }

  .page-ban-ca-bi-quyet-kiem-tien__section-title {
    font-size: 2em;
  }

  .page-ban-ca-bi-quyet-kiem-tien__sub-title {
    font-size: 1.4em;
  }

  .page-ban-ca-bi-quyet-kiem-tien__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
}

/* Mobile Specific */
@media (max-width: 768px) {
  /* 1. Top Section Title + Dual CTA */
  .page-ban-ca-bi-quyet-kiem-tien__hero-section {
    padding-top: 10px !important; /* Small top padding, relying on body for header offset */
  }

  .page-ban-ca-bi-quyet-kiem-tien__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em) !important;
    margin-top: 15px;
  }

  .page-ban-ca-bi-quyet-kiem-tien__description {
    font-size: 1em;
    padding: 0 15px;
  }

  .page-ban-ca-bi-quyet-kiem-tien__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
    width: 100%;
    box-sizing: border-box;
  }

  .page-ban-ca-bi-quyet-kiem-tien__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px !important;
    font-size: 1em !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. Single Column Long Article Container */
  .page-ban-ca-bi-quyet-kiem-tien__article-wrap {
    margin: 20px auto;
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-ban-ca-bi-quyet-kiem-tien__section {
    padding: 20px 0;
  }

  .page-ban-ca-bi-quyet-kiem-tien__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-ban-ca-bi-quyet-kiem-tien__sub-title {
    font-size: 1.3em;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-ban-ca-bi-quyet-kiem-tien p,
  .page-ban-ca-bi-quyet-kiem-tien__list-item {
    font-size: 0.95em;
  }

  /* 3. Generic Images and Figure */
  .page-ban-ca-bi-quyet-kiem-tien img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-ban-ca-bi-quyet-kiem-tien__figure {
    margin: 20px auto;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-ban-ca-bi-quyet-kiem-tien__figcaption {
    font-size: 0.85em;
    padding: 8px 10px;
  }

  /* Containers for images and other content */
  .page-ban-ca-bi-quyet-kiem-tien__hero-image-wrapper,
  .page-ban-ca-bi-quyet-kiem-tien__section,
  .page-ban-ca-bi-quyet-kiem-tien__faq-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 4. Buttons and Button Containers (already covered by .page-ban-ca-bi-quyet-kiem-tien__btn and __cta-buttons) */
  .page-ban-ca-bi-quyet-kiem-tien__cta-buttons--bottom {
    margin-top: 30px;
    margin-bottom: 15px;
  }

  /* 5. Registration Tutorial and FAQ Block */
  .page-ban-ca-bi-quyet-kiem-tien__ordered-list {
    padding-left: 20px;
  }

  .page-ban-ca-bi-quyet-kiem-tien__faq-section {
    padding: 20px;
    margin: 30px auto;
  }

  .page-ban-ca-bi-quyet-kiem-tien__faq-question {
    font-size: 1.2em;
  }

  .page-ban-ca-bi-quyet-kiem-tien__faq-answer {
    padding-left: 10px;
  }
}