/* style/support.css */
:root {
  --primary-color: #FFD700;
  --secondary-color: #8B0000;
  --text-light: #ffffff;
  --text-dark: #333333;
  --bg-dark-card: rgba(255, 255, 255, 0.1);
  --border-light: #e0e0e0;
}

.page-support {
  color: var(--text-light); /* Body background is dark, so text is light */
  padding-top: 120px; /* Adjust for fixed header */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

.page-support__main-heading,
.page-support__section-heading {
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.2;
}

.page-support__main-heading {
  font-size: 3.2em;
}

.page-support__section-heading {
  font-size: 2.5em;
}

.page-support__intro-section {
  padding: 60px 0;
  background: linear-gradient(135deg, #0a0a0a, rgba(139, 0, 0, 0.5));
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.page-support__intro-text {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px auto;
}

.page-support__cta-group {
  text-align: center;
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-support__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  font-size: 1.05em;
  white-space: nowrap;
}

.page-support__btn--primary {
  background: var(--primary-color);
  color: var(--text-dark);
  border: 2px solid var(--primary-color);
}

.page-support__btn--primary:hover {
  background: #e6c200;
  border-color: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-support__btn--secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-support__btn--secondary:hover {
  background: var(--primary-color);
  color: var(--text-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-support__btn--small {
  padding: 10px 20px;
  font-size: 0.95em;
}

.page-support__section-description {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  font-size: 1.05em;
  color: rgba(255, 255, 255, 0.8);
}

.page-support__channels-section,
.page-support__guide-section,
.page-support__faq-section,
.page-support__safety-section,
.page-support__news-section {
  padding: 80px 0;
}

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

.page-support__channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support__channel-card,
.page-support__guide-card,
.page-support__safety-item,
.page-support__news-card {
  background: var(--bg-dark-card);
  border: 1px solid rgba(255, 215, 0, 0.1);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support__channel-card:hover,
.page-support__guide-card:hover,
.page-support__safety-item:hover,
.page-support__news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support__feature-icon {
  width: 200px !important;
  height: 200px !important;
  min-width: 200px !important;
  min-height: 200px !important;
  object-fit: contain;
  margin-bottom: 25px;
  border-radius: 8px;
}

.page-support__feature-icon img {
  width: 200px !important;
  height: 200px !important;
  min-width: 200px !important;
  min-height: 200px !important;
  object-fit: contain;
}

.page-support__card-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-support__card-title a {
  color: var(--primary-color);
  text-decoration: none;
}

.page-support__card-title a:hover {
  text-decoration: underline;
}

.page-support__card-text {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__card-text a {
  color: var(--primary-color);
  text-decoration: none;
}

.page-support__card-text a:hover {
  text-decoration: underline;
}

.page-support__contact-note {
  text-align: center;
  margin-top: 60px;
  font-size: 1.1em;
  color: rgba(255, 255, 255, 0.9);
}

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

.page-support__guide-section {
  background-color: #0a0a0a;
}

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

/* FAQ容器样式 */
.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  background: var(--bg-dark-card);
  border: 1px solid rgba(255, 215, 0, 0.1);
}

/* FAQ默认状态 - 答案隐藏 */
.page-support__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: rgba(255, 255, 255, 0.7);
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-support__faq-item.active .page-support__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;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 0 5px 5px;
}

/* 问题样式 */
.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--bg-dark-card);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-support__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--primary-color);
}

.page-support__faq-question:active {
  background: rgba(255, 255, 255, 0.2);
}

/* 问题标题样式 */
.page-support__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.15em;
  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-support__faq-toggle {
  font-size: 24px;
  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: 28px;
  height: 28px;
}

.page-support__faq-item.active .page-support__faq-toggle {
  color: var(--text-light);
  transform: rotate(45deg); /* Rotate for 'x' effect, or just change text */
}

.page-support__safety-section {
  background-color: #0a0a0a;
}

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

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

.page-support__news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.page-support__news-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-support__news-card .page-support__card-title {
  font-size: 1.3em;
  margin-bottom: 10px;
}

.page-support__news-card .page-support__card-text {
  font-size: 0.95em;
  text-align: left;
  flex-grow: 1;
}

.page-support__news-card .page-support__btn {
  align-self: flex-start;
  margin-top: 15px;
}

.page-support__view-all-news {
  text-align: center;
  margin-top: 60px;
}

/* Global image responsiveness */
.page-support img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-support__main-heading {
    font-size: 2.8em;
  }
  .page-support__section-heading {
    font-size: 2.2em;
  }
}

@media (max-width: 768px) {
  .page-support {
    padding-top: 100px !important; /* Mobile adjust for fixed header */
    font-size: 15px;
    line-height: 1.6;
  }

  .page-support__container {
    padding: 0 15px;
  }

  .page-support__main-heading {
    font-size: 2.2em;
    margin-bottom: 30px;
  }

  .page-support__section-heading {
    font-size: 1.8em;
    margin-bottom: 40px;
  }

  .page-support__intro-section {
    padding: 40px 0;
  }

  .page-support__intro-text {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-support__cta-group {
    flex-direction: column;
    gap: 15px;
  }

  .page-support__btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-support__section-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-support__channels-section,
  .page-support__guide-section,
  .page-support__faq-section,
  .page-support__safety-section,
  .page-support__news-section {
    padding: 60px 0;
  }

  .page-support__channels-grid,
  .page-support__guide-cards,
  .page-support__safety-grid,
  .page-support__news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-support__channel-card,
  .page-support__guide-card,
  .page-support__safety-item,
  .page-support__news-card {
    padding: 25px;
  }

  .page-support__feature-icon {
    width: 200px !important;
    height: 200px !important;
    min-width: 200px !important;
    min-height: 200px !important;
    margin-bottom: 20px;
  }

  .page-support__feature-icon img {
    width: 200px !important;
    height: 200px !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-support__card-title {
    font-size: 1.3em;
  }

  .page-support__card-text {
    font-size: 0.95em;
  }

  .page-support__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-support__faq-question h3 {
    font-size: 1em;
    width: calc(100% - 40px);
  }
  
  .page-support__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-support__faq-answer {
    padding: 0 15px;
  }
  
  .page-support__faq-item.active .page-support__faq-answer {
    padding: 15px !important;
  }

  .page-support__news-image {
    height: 200px;
  }

  .page-support__news-card .page-support__card-title {
    font-size: 1.2em;
  }
  .page-support__news-card .page-support__card-text {
    font-size: 0.9em;
  }

  /* Ensure all images and their containers are responsive */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-support__section, 
  .page-support__card, 
  .page-support__container, 
  .page-support__channels-grid,
  .page-support__guide-cards,
  .page-support__safety-grid,
  .page-support__news-grid {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}

@media (max-width: 480px) {
  .page-support__main-heading {
    font-size: 1.8em;
  }
  .page-support__section-heading {
    font-size: 1.5em;
  }
  .page-support__btn {
    padding: 10px 15px;
    font-size: 0.9em;
  }
  .page-support__card-title {
    font-size: 1.2em;
  }
  .page-support__faq-question h3 {
    font-size: 0.95em;
  }
  .page-support__news-image {
    height: 150px;
  }
}