:root {
  --primary-color: #2F6BFF;
  --secondary-color: #6FA3FF;
  --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  --card-bg: #FFFFFF;
  --body-bg: #F4F7FB;
  --text-main: #1F2D3D;
  --text-black: #000000;
  --border-color: #D6E2FF;
  --glow-color: #A5C4FF;
}

.page-huong-dan-choi {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Default text color for light body background */
  background-color: var(--body-bg);
}

.page-huong-dan-choi__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-huong-dan-choi__top-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  text-align: center;
  background: var(--primary-color);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-huong-dan-choi__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  margin-bottom: 15px;
  color: #ffffff;
  line-height: 1.2;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-huong-dan-choi__intro-text {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-huong-dan-choi__top-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-huong-dan-choi__btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  font-size: 1.05em;
}

.page-huong-dan-choi__btn--primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-huong-dan-choi__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  opacity: 0.9;
}

.page-huong-dan-choi__btn--secondary {
  background: var(--card-bg);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-huong-dan-choi__btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  background: var(--primary-color);
  color: #ffffff;
}

.page-huong-dan-choi__article-wrap {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.page-huong-dan-choi__section {
  padding: 30px 0;
  border-bottom: 1px solid var(--border-color);
}

.page-huong-dan-choi__section:last-of-type {
  border-bottom: none;
}

.page-huong-dan-choi__section-title {
  font-size: 2em;
  font-weight: 700;
  color: var(--text-black);
  margin-bottom: 25px;
  line-height: 1.3;
}

.page-huong-dan-choi h3 {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-huong-dan-choi p {
  margin-bottom: 1em;
  line-height: 1.7;
  color: var(--text-main);
}

.page-huong-dan-choi__figure {
  margin: 30px 0;
  text-align: center;
  background-color: var(--body-bg);
  border-radius: 8px;
  overflow: hidden;
  padding: 10px;
}

.page-huong-dan-choi__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  margin: 0 auto;
  object-fit: cover;
}

.page-huong-dan-choi__figcaption {
  font-size: 0.9em;
  color: var(--text-main);
  margin-top: 10px;
  padding: 0 10px;
}

.page-huong-dan-choi__list,
.page-huong-dan-choi__ordered-list {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 1em;
  color: var(--text-main);
}

.page-huong-dan-choi__ordered-list {
  list-style-type: decimal;
}

.page-huong-dan-choi__list li,
.page-huong-dan-choi__ordered-list li {
  margin-bottom: 0.5em;
}

.page-huong-dan-choi__faq-list {
  margin-top: 30px;
}

.page-huong-dan-choi__faq-question {
  font-size: 1.2em;
  font-weight: 600;
  color: var(--text-black);
  margin-top: 20px;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.page-huong-dan-choi__faq-answer {
  font-size: 1em;
  color: var(--text-main);
  margin-bottom: 15px;
  padding-left: 10px;
}

.page-huong-dan-choi__bottom-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 40px;
  padding-bottom: 30px;
  flex-wrap: wrap;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-huong-dan-choi__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-huong-dan-choi__intro-text {
    font-size: 1em;
  }

  .page-huong-dan-choi__article-wrap {
    margin: 30px auto;
    padding: 0 15px;
  }

  .page-huong-dan-choi__section-title {
    font-size: 1.8em;
  }

  .page-huong-dan-choi h3 {
    font-size: 1.3em;
  }
}

@media (max-width: 768px) {
  .page-huong-dan-choi {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-huong-dan-choi__top-section {
    padding-top: 10px !important; /* Enforce small top padding */
    padding-bottom: 30px;
  }

  .page-huong-dan-choi__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em) !important;
    margin-bottom: 10px;
    padding: 0 10px;
  }

  .page-huong-dan-choi__intro-text {
    font-size: 0.95em;
    margin-bottom: 20px;
    padding: 0 10px;
  }

  .page-huong-dan-choi__top-cta {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
    padding: 0 15px;
  }

  .page-huong-dan-choi__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-huong-dan-choi__article-wrap {
    margin: 20px auto;
    padding: 0 10px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-huong-dan-choi__section {
    padding: 20px 0;
  }

  .page-huong-dan-choi__section-title {
    font-size: 1.6em !important;
    margin-bottom: 20px;
    padding: 0 5px;
  }

  .page-huong-dan-choi h3 {
    font-size: 1.2em !important;
    margin-top: 20px;
    margin-bottom: 10px;
    padding: 0 5px;
  }

  .page-huong-dan-choi p,
  .page-huong-dan-choi__list,
  .page-huong-dan-choi__ordered-list {
    font-size: 0.95em;
    padding: 0 5px;
  }

  .page-huong-dan-choi__list,
  .page-huong-dan-choi__ordered-list {
    margin-left: 20px;
  }

  .page-huong-dan-choi__figure {
    margin: 20px 0;
    padding: 5px;
  }

  .page-huong-dan-choi__image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-huong-dan-choi__figcaption {
    padding: 0 5px;
  }

  .page-huong-dan-choi__faq-question,
  .page-huong-dan-choi__faq-answer {
    padding: 0 5px;
  }

  .page-huong-dan-choi__bottom-cta {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
    margin-top: 30px;
    padding-bottom: 20px;
    padding: 0 15px;
  }

  /* Ensure all containers with images/buttons are responsive */
  .page-huong-dan-choi__container,
  .page-huong-dan-choi__step-by-step,
  .page-huong-dan-choi__game-guide,
  .page-huong-dan-choi__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-huong-dan-choi__article-wrap > .page-huong-dan-choi__section > p, 
  .page-huong-dan-choi__article-wrap > .page-huong-dan-choi__section > ul, 
  .page-huong-dan-choi__article-wrap > .page-huong-dan-choi__section > ol {
    padding-left: 0; 
    padding-right: 0;
  }

}