:root {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #8B0000; /* Dark Red */
  --text-color-dark: #333333;
  --text-color-light: #ffffff;
  --background-dark: #000000;
  --background-light: #f8f9fa;
  --card-background: rgba(255, 255, 255, 0.1);
  --border-color: rgba(255, 255, 255, 0.2);
}

/* 🚨 Fixed Nav Bar Spacing */
.page-resources {
  color: var(--text-color-light);
  background: var(--background-dark);
}

.page-resources__hero-section {
  position: relative;
  padding: 120px 20px 60px; /* 🚨 Desktop padding-top for fixed header */
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--background-dark) 0%, #1a0000 100%);
}

.page-resources__hero-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  z-index: 1;
  position: relative;
}

.page-resources__main-title {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-resources__hero-description {
  font-size: 20px;
  color: var(--text-color-light);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.page-resources__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.page-resources__cta-button {
  display: inline-block;
  padding: 15px 35px;
  background: var(--primary-color);
  color: var(--text-color-dark);
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
  border: none;
  cursor: pointer;
}

.page-resources__cta-button:hover {
  background: darken(var(--primary-color), 10%);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.page-resources__cta-button--secondary {
  background: var(--secondary-color);
  color: var(--text-color-light);
  box-shadow: 0 4px 15px rgba(139, 0, 0, 0.4);
}

.page-resources__cta-button--secondary:hover {
  background: darken(var(--secondary-color), 10%);
  box-shadow: 0 6px 20px rgba(139, 0, 0, 0.6);
}

.page-resources__hero-image {
  width: 100%;
  max-width: 1000px;
  height: auto;
  margin-top: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  object-fit: cover;
}

.page-resources__brand-section {
  padding: 60px 20px;
  background: var(--background-dark);
  color: var(--text-color-light);
  text-align: center;
}

.page-resources__brand-container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-resources__brand-title {
  font-size: 38px;
  color: var(--primary-color);
  margin-bottom: 40px;
  font-weight: bold;
}

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

.page-resources__brand-item {
  background: var(--card-background);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  text-align: left;
  border: 1px solid var(--border-color);
}

.page-resources__brand-item-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.5));
}

.page-resources__brand-item h3 {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-resources__brand-item p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color-light);
}

.page-resources__faq-section {
  padding: 60px 20px;
  background: #0d0d0d;
  color: var(--text-color-light);
}

.page-resources__faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-resources__faq-title {
  font-size: 38px;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-resources__faq-list {
  margin-top: 30px;
}

/* FAQ容器样式 */
.page-resources__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  background: #1a1a1a;
  border: 1px solid rgba(255, 215, 0, 0.3);
}

/* FAQ默认状态 - 答案隐藏 */
.page-resources__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: #cccccc;
}

/* FAQ展开状态 - 🚨 使用!important và đủ lớn max-height để đảm bảo mở rộng */
.page-resources__faq-item.active .page-resources__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px !important;
  opacity: 1;
  background: #222222;
  border-radius: 0 0 8px 8px;
}

/* 问题样式 */
.page-resources__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #1a1a1a;
  border-bottom: 1px solid rgba(255, 215, 0, 0.1);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-resources__faq-question:hover {
  background: #2a2a2a;
  border-color: rgba(255, 215, 0, 0.5);
}

.page-resources__faq-question:active {
  background: #333333;
}

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

/* 切换图标 */
.page-resources__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color);
  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-resources__faq-item.active .page-resources__faq-toggle {
  color: var(--text-color-light);
  transform: rotate(45deg);
}

.page-resources__blog-section {
  padding: 60px 20px;
  background: var(--background-dark);
  color: var(--text-color-light);
}

.page-resources__blog-container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-resources__blog-title {
  font-size: 38px;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-resources__blog-description {
  font-size: 18px;
  color: var(--text-color-light);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

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

.page-resources__blog-item {
  background: var(--card-background);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-resources__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-resources__blog-item-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-resources__blog-link {
  display: block;
  padding: 20px;
  color: inherit;
  text-decoration: none;
}

.page-resources__blog-item-title {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-resources__blog-item-excerpt {
  font-size: 15px;
  color: #cccccc;
  margin-bottom: 15px;
  line-height: 1.6;
}

.page-resources__blog-item-date {
  font-size: 14px;
  color: #999999;
  display: block;
}

.page-resources__blog-cta {
  text-align: center;
  margin-top: 50px;
}

/* 🚨 Mobile Responsive Design */
@media (max-width: 768px) {
  .page-resources__hero-section {
    padding: 100px 15px 40px; /* 🚨 Mobile padding-top for fixed header */
  }

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

  .page-resources__hero-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-resources__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .page-resources__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 25px;
    font-size: 16px;
    white-space: normal;
    word-wrap: break-word;
  }

  .page-resources__hero-image,
  .page-resources__brand-item-icon,
  .page-resources__blog-item-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-resources__brand-section,
  .page-resources__faq-section,
  .page-resources__blog-section {
    padding: 40px 15px;
  }

  .page-resources__brand-title,
  .page-resources__faq-title,
  .page-resources__blog-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .page-resources__brand-content {
    grid-template-columns: 1fr;
  }

  .page-resources__brand-item {
    padding: 25px;
  }

  .page-resources__brand-item h3 {
    font-size: 20px;
  }

  .page-resources__brand-item p {
    font-size: 15px;
  }

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

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

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

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

  .page-resources__blog-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-resources__blog-list {
    grid-template-columns: 1fr;
  }

  .page-resources__blog-item-image {
    height: 180px;
  }

  .page-resources__blog-item-title {
    font-size: 18px;
  }

  .page-resources__blog-item-excerpt {
    font-size: 14px;
  }

  .page-resources__blog-cta {
    margin-top: 40px;
  }

  /* General responsive adjustments for images and containers */
  .page-resources img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  .page-resources__hero-container,
  .page-resources__brand-container,
  .page-resources__faq-container,
  .page-resources__blog-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
  }

  .page-resources__brand-item,
  .page-resources__blog-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin-left: auto;
    margin-right: auto;
  }

  .page-resources__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}