.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Text color for dark body background */
  background-color: #0d0d0d; /* Inherited from shared.css, ensure contrast */
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-about__hero-section {
  padding-top: 120px; /* Desktop padding-top to clear fixed header */
  padding-bottom: 60px;
  background: linear-gradient(135deg, #E44D26, #FFB800);
  color: #ffffff;
  text-align: center;
}

.page-about__main-title {
  font-size: 44px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-about__description {
  font-size: 18px;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

.page-about__cta-button {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: none;
  cursor: pointer;
  max-width: 100%; /* Ensure button adapts to container width */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__cta-button--primary {
  background: #E44D26;
  color: #ffffff;
}

.page-about__cta-button--primary:hover {
  background: #c23e1e;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-about__cta-button--secondary {
  background: #FFB800;
  color: #333333;
}

.page-about__cta-button--secondary:hover {
  background: #e6a700;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-about__section-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: #FFB800;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.page-about__mission-vision-section,
.page-about__why-choose-us-section,
.page-about__responsible-gaming-section,
.page-about__technology-section,
.page-about__partnerships-section,
.page-about__cta-bottom-section,
.page-about__faq-section,
.page-about__contact-cta-section {
  padding: 80px 0;
}

.page-about__mission-vision-section {
  background-color: #1a1a1a;
}

.page-about__content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-about__mission-card,
.page-about__vision-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__mission-card:hover,
.page-about__vision-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-about__card-image {
  width: 100%;
  max-width: 400px; /* Ensure image is not too wide */
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-about__card-title {
  font-size: 28px;
  font-weight: bold;
  color: #E44D26;
  margin-bottom: 15px;
}

.page-about__mission-card p,
.page-about__vision-card p {
  font-size: 16px;
  color: #cccccc;
}

.page-about__why-choose-us-section {
  background-color: #0d0d0d;
}

.page-about__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-about__feature-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-about__feature-item:hover {
  transform: translateY(-3px);
  background-color: rgba(255, 255, 255, 0.1);
}

.page-about__feature-icon {
  width: 100%;
  max-width: 250px; /* Min image size 200x200, so 250 is good */
  height: auto;
  margin-bottom: 20px;
}

.page-about__feature-title {
  font-size: 24px;
  font-weight: bold;
  color: #FFB800;
  margin-bottom: 10px;
}

.page-about__feature-item p {
  font-size: 15px;
  color: #cccccc;
}

.page-about__technology-section,
.page-about__partnerships-section {
  background-color: #1a1a1a;
  text-align: center;
}

.page-about__technology-section p,
.page-about__partnerships-section p,
.page-about__responsible-gaming-section p {
  max-width: 900px;
  margin: 0 auto 30px auto;
  font-size: 17px;
  color: #e0e0e0;
}

.page-about__technology-image,
.page-about__partnerships-image {
  width: 100%;
  max-width: 900px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  margin-top: 30px;
}

.page-about__responsible-gaming-section {
  background-color: #0d0d0d;
  text-align: center;
}

.page-about__cta-bottom-section {
  background: linear-gradient(135deg, #FFB800, #E44D26);
  color: #ffffff;
  text-align: center;
}

.page-about__cta-bottom-section .page-about__section-title {
  color: #ffffff;
}

.page-about__cta-bottom-section p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: #f0f0f0;
}

.page-about__faq-section {
  background-color: #1a1a1a;
}

.page-about__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

/* FAQ容器样式 */
.page-about__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* FAQ默认状态 - 答案隐藏 */
.page-about__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 20px;
  opacity: 0;
  color: #e0e0e0;
  background: rgba(255, 255, 255, 0.05);
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-about__faq-item.active .page-about__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng !important để đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px !important;
  opacity: 1;
  border-radius: 0 0 8px 8px;
}

/* 问题样式 */
.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #2a2a2a;
  border: 1px solid #3a3a3a;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-about__faq-question:hover {
  background: #3a3a3a;
  border-color: #4a4a4a;
}

.page-about__faq-question:active {
  background: #4a4a4a;
}

/* 问题标题样式 */
.page-about__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: #FFB800;
  pointer-events: none; /* 防止h3标签阻止点击事件 */
}

/* 切换图标 */
.page-about__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: #E44D26;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* 防止图标阻止点击事件 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-about__faq-item.active .page-about__faq-toggle {
  color: #FFB800;
  transform: rotate(45deg); /* Rotate to form an 'X' or similar */
}

.page-about__contact-cta-section {
  background-color: #0d0d0d;
  text-align: center;
}

.page-about__contact-cta-section p {
  font-size: 17px;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: #e0e0e0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .page-about__main-title {
    font-size: 38px;
  }

  .page-about__section-title {
    font-size: 32px;
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding-top: 100px !important; /* Mobile padding-top */
    padding-bottom: 40px;
  }

  .page-about__main-title {
    font-size: 32px;
  }

  .page-about__description {
    font-size: 16px;
  }

  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-about__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 25px !important;
    font-size: 16px !important;
  }

  .page-about__section-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .page-about__mission-vision-section,
  .page-about__why-choose-us-section,
  .page-about__responsible-gaming-section,
  .page-about__technology-section,
  .page-about__partnerships-section,
  .page-about__cta-bottom-section,
  .page-about__faq-section,
  .page-about__contact-cta-section {
    padding: 50px 0;
  }

  .page-about__content-grid,
  .page-about__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about__card-image,
  .page-about__feature-icon,
  .page-about__technology-image,
  .page-about__partnerships-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
    border-radius: 8px;
  }

  .page-about__mission-card,
  .page-about__vision-card,
  .page-about__feature-item {
    padding: 20px;
  }

  .page-about__card-title {
    font-size: 24px;
  }

  .page-about__feature-title {
    font-size: 20px;
  }

  .page-about__faq-question {
    padding: 15px;
  }

  .page-about__faq-question h3 {
    font-size: 16px;
  }

  .page-about__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }

  .page-about__faq-item.active .page-about__faq-answer {
    padding: 15px !important;
  }

  .page-about__faq-list {
    padding: 0 15px;
  }

  .page-about__hero-section .page-about__container,
  .page-about__mission-vision-section .page-about__container,
  .page-about__why-choose-us-section .page-about__container,
  .page-about__technology-section .page-about__container,
  .page-about__partnerships-section .page-about__container,
  .page-about__responsible-gaming-section .page-about__container,
  .page-about__cta-bottom-section .page-about__container,
  .page-about__faq-section .page-about__container,
  .page-about__contact-cta-section .page-about__container {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}