/* Base styles for the FAQ page */
.page-cau-hoi-thuong-gap {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--background);
}

.page-cau-hoi-thuong-gap__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-cau-hoi-thuong-gap__hero-section {
  padding-top: 10px; /* Minimal top padding, rely on body for header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #0A4B2C 0%, #08160F 100%); /* Deep Green to Background */
  color: var(--text-main);
}

.page-cau-hoi-thuong-gap__hero-image {
  width: 100%;
  height: 600px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.page-cau-hoi-thuong-gap__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-cau-hoi-thuong-gap__hero-content {
  max-width: 900px;
  margin: 0 auto 50px;
  padding: 0 20px;
  z-index: 1;
}

.page-cau-hoi-thuong-gap__main-title {
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 15px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.page-cau-hoi-thuong-gap__hero-description {
  font-size: 1.15em;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-cau-hoi-thuong-gap__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-cau-hoi-thuong-gap__btn-primary,
.page-cau-hoi-thuong-gap__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-cau-hoi-thuong-gap__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-cau-hoi-thuong-gap__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.page-cau-hoi-thuong-gap__btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border);
}

.page-cau-hoi-thuong-gap__btn-secondary:hover {
  background: rgba(var(--border-rgb), 0.2);
  color: var(--text-main);
  transform: translateY(-2px);
}

.page-cau-hoi-thuong-gap__faq-section {
  padding: 60px 0;
  background-color: var(--background);
}

.page-cau-hoi-thuong-gap__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 20px;
}

.page-cau-hoi-thuong-gap__section-description {
  font-size: 1.1em;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

.page-cau-hoi-thuong-gap__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

details.page-cau-hoi-thuong-gap__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: var(--text-main);
  font-weight: 600;
}

details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question::-webkit-details-marker {
  display: none;
}

details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question:hover {
  background: rgba(var(--border-rgb), 0.1);
}

.page-cau-hoi-thuong-gap__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main);
}

.page-cau-hoi-thuong-gap__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--glow);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
  line-height: 1;
}

details.page-cau-hoi-thuong-gap__faq-item[open] summary.page-cau-hoi-thuong-gap__faq-question {
  background: rgba(var(--border-rgb), 0.15);
  border-bottom: 1px solid var(--divider);
}

details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
  padding: 0 25px 20px;
  background: rgba(var(--card-bg-rgb), 0.8);
  border-radius: 0 0 8px 8px;
  color: var(--text-secondary);
}

.page-cau-hoi-thuong-gap__faq-answer p {
  margin-top: 15px;
  margin-bottom: 0;
  font-size: 1em;
  line-height: 1.7;
}

.page-cau-hoi-thuong-gap__faq-answer a {
  color: var(--glow);
  text-decoration: underline;
  transition: color 0.3s ease;
}

.page-cau-hoi-thuong-gap__faq-answer a:hover {
  color: var(--gold);
}

.page-cau-hoi-thuong-gap__cta-section {
  padding: 80px 20px;
  text-align: center;
  background: var(--deep-green);
  color: #ffffff;
}

.page-cau-hoi-thuong-gap__cta-title {
  font-size: 2.2em;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 15px;
}

.page-cau-hoi-thuong-gap__cta-description {
  font-size: 1.1em;
  color: rgba(255, 255, 255, 0.8);
  max-width: 700px;
  margin: 0 auto 30px;
}

.page-cau-hoi-thuong-gap__btn-large {
  padding: 16px 35px;
  font-size: 1.15em;
}

/* Ensure all images are responsive */
.page-cau-hoi-thuong-gap img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-cau-hoi-thuong-gap__hero-image {
    height: 500px;
  }
  .page-cau-hoi-thuong-gap__main-title {
    font-size: 2.8em;
  }
  .page-cau-hoi-thuong-gap__section-title {
    font-size: 2.2em;
  }
  .page-cau-hoi-thuong-gap__cta-title {
    font-size: 2em;
  }
  details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question {
    padding: 16px 20px;
  }
  .page-cau-hoi-thuong-gap__faq-qtext {
    font-size: 1em;
  }
  .page-cau-hoi-thuong-gap__faq-toggle {
    font-size: 26px;
    width: 26px;
  }
  details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
    padding: 0 20px 18px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-cau-hoi-thuong-gap__hero-section {
    padding-top: 10px; /* Minimal top padding */
  }
  .page-cau-hoi-thuong-gap__hero-image {
    height: 300px;
    margin-bottom: 20px;
  }
  .page-cau-hoi-thuong-gap__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-cau-hoi-thuong-gap__hero-content {
    margin-bottom: 30px;
  }
  .page-cau-hoi-thuong-gap__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }
  .page-cau-hoi-thuong-gap__hero-description {
    font-size: 1em;
    padding: 0 15px;
  }
  .page-cau-hoi-thuong-gap__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  /* FAQ Section */
  .page-cau-hoi-thuong-gap__faq-section {
    padding: 40px 0;
  }
  .page-cau-hoi-thuong-gap__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-cau-hoi-thuong-gap__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }
  .page-cau-hoi-thuong-gap__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
    padding: 0 10px;
  }
  details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question {
    padding: 15px;
  }
  .page-cau-hoi-thuong-gap__faq-qtext {
    font-size: 0.95em;
  }
  .page-cau-hoi-thuong-gap__faq-toggle {
    font-size: 24px;
    width: 24px;
  }
  details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
    padding: 0 15px 15px;
  }
  .page-cau-hoi-thuong-gap__faq-answer p {
    font-size: 0.9em;
  }

  /* CTA Section */
  .page-cau-hoi-thuong-gap__cta-section {
    padding: 50px 15px;
  }
  .page-cau-hoi-thuong-gap__cta-title {
    font-size: 1.6em;
  }
  .page-cau-hoi-thuong-gap__cta-description {
    font-size: 1em;
    padding: 0 10px;
  }
  .page-cau-hoi-thuong-gap__btn-large {
    font-size: 1em;
    padding: 14px 25px;
    width: 100% !important;
    max-width: 100% !important;
  }

  /* General images and containers for mobile */
  .page-cau-hoi-thuong-gap img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-cau-hoi-thuong-gap__section,
  .page-cau-hoi-thuong-gap__card,
  .page-cau-hoi-thuong-gap__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }

  /* Buttons and button containers for mobile */
  .page-cau-hoi-thuong-gap__btn-primary,
  .page-cau-hoi-thuong-gap__btn-secondary,
  .page-cau-hoi-thuong-gap a[class*="button"],
  .page-cau-hoi-thuong-gap 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-cau-hoi-thuong-gap__cta-buttons,
  .page-cau-hoi-thuong-gap__button-group,
  .page-cau-hoi-thuong-gap__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column;
  }
}

/* Custom Colors */
:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border: #2E7A4E;
  --glow: #57E38D;
  --gold: #F2C14E;
  --divider: #1E3A2A;
  --deep-green: #0A4B2C;

  /* RGB values for rgba usage */
  --card-bg-rgb: 17, 39, 27;
  --border-rgb: 46, 122, 78;
}

/* Contrast Fixes */
.page-cau-hoi-thuong-gap__dark-bg {
  background: var(--background);
  color: var(--text-main);
}
.page-cau-hoi-thuong-gap__deep-green-bg {
  background: var(--deep-green);
  color: #ffffff;
}
.page-cau-hoi-thuong-gap__card {
  background: var(--card-bg);
  color: var(--text-main);
}
.page-cau-hoi-thuong-gap p,
.page-cau-hoi-thuong-gap li {
  color: var(--text-secondary);
}
.page-cau-hoi-thuong-gap h1,
.page-cau-hoi-thuong-gap h2,
.page-cau-hoi-thuong-gap h3,
.page-cau-hoi-thuong-gap h4,
.page-cau-hoi-thuong-gap h5,
.page-cau-hoi-thuong-gap h6 {
  color: var(--text-main);
}
.page-cau-hoi-thuong-gap__faq-answer {
  color: var(--text-secondary);
}
.page-cau-hoi-thuong-gap__faq-answer a {
  color: var(--glow);
}