/* style/huong-dan-choi.css */

:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --text-main-color: #333333;
  --card-bg-color: #FFFFFF;
  --page-bg-color: #F5F7FA;
  --border-color: #E0E0E0;
  --button-gradient: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.page-huong-dan-choi {
  font-family: 'Arial', sans-serif;
  color: var(--text-main-color); /* Default text color for light body background */
  background-color: var(--page-bg-color);
  line-height: 1.6;
  font-size: 16px;
}

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

.page-huong-dan-choi__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
}

.page-huong-dan-choi__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-huong-dan-choi__hero-content {
  padding: 40px 20px 60px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.4); /* Semi-transparent overlay for text readability */
  margin-top: -5px; /* Slight overlap to blend with image */
  border-radius: 0 0 10px 10px;
}

.page-huong-dan-choi__main-title {
  font-size: clamp(2em, 3.5vw, 3em); /* Responsive font size for H1 */
  font-weight: bold;
  margin-bottom: 15px;
  color: #ffffff;
  line-height: 1.2;
}

.page-huong-dan-choi__description {
  font-size: 1.15em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-huong-choi__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.page-huong-dan-choi__cta-buttons--bottom {
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-huong-dan-choi__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1em;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-huong-dan-choi__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
}

.page-huong-dan-choi__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.6);
}

.page-huong-dan-choi__btn-secondary {
  background-color: #ffffff;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-huong-dan-choi__btn-secondary:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-choi__article-wrap {
  max-width: 1150px;
  margin: 40px auto;
  padding: 0 20px;
  background-color: var(--card-bg-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-huong-dan-choi__content-area {
  padding: 40px;
}

.page-huong-dan-choi__section-title {
  font-size: 2.2em;
  color: var(--primary-color);
  margin-top: 40px;
  margin-bottom: 25px;
  font-weight: bold;
  line-height: 1.3;
}

.page-huong-dan-choi__section-title:first-of-type {
  margin-top: 0;
}

.page-huong-dan-choi__sub-title {
  font-size: 1.6em;
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-huong-dan-choi p {
  margin-bottom: 1em;
  line-height: 1.7;
}

.page-huong-dan-choi strong {
  color: var(--primary-color);
}

.page-huong-dan-choi__step-list,
.page-huong-dan-choi__tip-list,
.page-huong-dan-choi__promo-list,
.page-huong-dan-choi__contact-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-huong-dan-choi__step-list li,
.page-huong-dan-choi__tip-list li,
.page-huong-dan-choi__promo-list li,
.page-huong-dan-choi__contact-list li {
  margin-bottom: 15px;
  padding-left: 30px;
  position: relative;
  line-height: 1.8;
}

.page-huong-dan-choi__step-list li::before,
.page-huong-dan-choi__tip-list li::before,
.page-huong-dan-choi__promo-list li::before,
.page-huong-dan-choi__contact-list li::before {
  content: '✓'; /* Checkmark icon */
  color: var(--primary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-huong-dan-choi__step-list li strong {
  color: var(--text-main-color);
}

.page-huong-dan-choi__info-card,
.page-huong-dan-choi__warning-card,
.page-huong-dan-choi__promo-box {
  background-color: var(--page-bg-color);
  border-left: 5px solid var(--primary-color);
  padding: 20px;
  border-radius: 8px;
  margin: 30px 0;
  color: var(--text-main-color);
}

.page-huong-dan-choi__warning-card {
  border-left-color: #FFC107; /* Warning color */
}

.page-huong-dan-choi__promo-box {
  border-left-color: var(--secondary-color);
  text-align: center;
}

.page-huong-dan-choi__promo-box p {
  margin-bottom: 20px;
  font-size: 1.1em;
}

.page-huong-dan-choi__image-figure {
  margin: 30px 0;
  text-align: center;
  background-color: var(--card-bg-color);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.page-huong-dan-choi__article-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 6px;
  min-width: 200px;
  min-height: 200px;
}

.page-huong-dan-choi__image-caption {
  font-size: 0.9em;
  color: #666666;
  margin-top: 10px;
}

/* Ensure all images are responsive by default */
.page-huong-dan-choi img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-huong-dan-choi__hero-content {
    padding: 30px 20px 50px;
  }

  .page-huong-dan-choi__main-title {
    font-size: clamp(1.8em, 3.8vw, 2.8em);
  }

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

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

  .page-huong-dan-choi__content-area {
    padding: 30px;
  }

  .page-huong-dan-choi__section-title {
    font-size: 2em;
    margin-top: 35px;
    margin-bottom: 20px;
  }

  .page-huong-dan-choi__sub-title {
    font-size: 1.5em;
  }

  .page-huong-dan-choi__btn {
    padding: 12px 24px;
    font-size: 0.95em;
  }
}

@media (max-width: 768px) {
  .page-huong-dan-choi {
    font-size: 15px;
    line-height: 1.6;
  }

  /* 1. 顶区标题 + 双 CTA */
  .page-huong-dan-choi__hero-section {
    padding-top: 10px !important; /* Small top padding, body handles header offset */
  }

  .page-huong-dan-choi__hero-content {
    padding: 25px 15px 40px;
    margin-top: -5px; /* Slight overlap */
  }

  .page-huong-dan-choi__main-title {
    font-size: clamp(1.6em, 6vw, 2.5em) !important;
    margin-bottom: 10px;
  }

  .page-huong-dan-choi__description {
    font-size: 0.95em;
    margin-bottom: 20px;
  }

  .page-huong-dan-choi__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    margin-top: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-huong-dan-choi__btn {
    max-width: 100% !important;
    width: 100% !important;
    font-size: 1em !important;
    padding: 12px 15px !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. 单栏长文容器 */
  .page-huong-dan-choi__article-wrap {
    margin: 20px auto;
    padding: 0;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-huong-dan-choi__content-area {
    padding: 20px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-huong-dan-choi__section-title {
    font-size: 1.8em !important;
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-huong-dan-choi__sub-title {
    font-size: 1.4em !important;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-huong-dan-choi p {
    font-size: 0.95em;
  }

  .page-huong-dan-choi__step-list li,
  .page-huong-dan-choi__tip-list li,
  .page-huong-dan-choi__promo-list li,
  .page-huong-dan-choi__contact-list li {
    padding-left: 25px;
    font-size: 0.95em;
  }

  .page-huong-dan-choi__info-card,
  .page-huong-dan-choi__warning-card,
  .page-huong-dan-choi__promo-box {
    padding: 15px;
    margin: 20px 0;
  }

  .page-huong-dan-choi__promo-box p {
    font-size: 1em;
  }

  /* 3. 通用图片与 figure */
  .page-huong-dan-choi img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  
  .page-huong-dan-choi__image-figure {
    margin: 20px 0;
    padding: 10px;
  }

  .page-huong-dan-choi__image-caption {
    font-size: 0.85em;
  }

  /* 4. 按钮与按钮容器 (already covered in top-cta) */
  .page-huong-dan-choi__cta-buttons--bottom {
    margin-top: 30px;
    margin-bottom: 30px;
  }

  /* 5. 注册教程与 FAQ 区块 (Implicitly covered by general list and text styles) */
  /* No specific FAQ accordion JS, so no specific CSS for that */
}

@media (max-width: 480px) {
  .page-huong-dan-choi__main-title {
    font-size: clamp(1.4em, 8vw, 2em) !important;
  }

  .page-huong-dan-choi__section-title {
    font-size: 1.6em !important;
  }

  .page-huong-dan-choi__sub-title {
    font-size: 1.2em !important;
  }
}