/* style/news-platform-update-log.css */
:root {
  --primary-color: #003366;
  --secondary-color: #FFCC00;
  --text-light: #ffffff;
  --text-dark: #333333;
  --background-dark: #000000;
  --background-light: #f9f9f9;
  --border-color: #e0e0e0;
}

.page-news-platform-update-log {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-light); /* Body background is dark, so text is light */
  background-color: var(--background-dark);
  padding-bottom: 50px; /* Ensure space above footer */
}

/* 🚨 固定导航栏间距（必须严格遵守） */
.page-news-platform-update-log__video-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* 桌面端：根据导航栏实际高度调整 */
  box-sizing: border-box;
}

.page-news-platform-update-log__video-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

/* 🚨 视频点击链接样式（必须严格遵守） */
.page-news-platform-update-log__video-link {
  display: block;
  text-decoration: none;
  position: relative;
  width: 100%;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news-platform-update-log__video-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-news-platform-update-log__video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 宽高比 - 🚨 PageSpeed优化：固定宽高比避免布局偏移（CLS） */
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.page-news-platform-update-log__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
  object-fit: cover;
  pointer-events: none; /* 防止视频控件阻止点击事件 */
}

/* 🚨 视频点击提示遮罩层样式（可选，增强用户体验） */
.page-news-platform-update-log__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.page-news-platform-update-log__video-link:hover .page-news-platform-update-log__video-overlay {
  opacity: 1;
}

.page-news-platform-update-log__video-click-hint {
  color: var(--text-light);
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  background: rgba(0, 51, 102, 0.8); /* Primary color with opacity */
  border-radius: 5px;
  white-space: nowrap;
}

/* 🚨 Play Now按钮样式（必须严格遵守，位于视频下方中间位置） */
.page-news-platform-update-log__video-cta {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
  box-sizing: border-box;
}

.page-news-platform-update-log__play-now-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--secondary-color); /* Gold/Amber */
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.page-news-platform-update-log__play-now-button:hover {
  background: #e6b800; /* Darker gold */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-news-platform-update-log__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-news-platform-update-log__title-section {
  padding: 80px 20px;
  text-align: center;
  background: var(--primary-color);
  color: var(--text-light);
}

.page-news-platform-update-log__title-container {
  max-width: 1000px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-news-platform-update-log__main-title {
  font-size: 42px;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--secondary-color);
}

.page-news-platform-update-log__title-description {
  font-size: 18px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.page-news-platform-update-log__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-news-platform-update-log__cta-button {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 5px;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-news-platform-update-log__btn-primary {
  background: var(--secondary-color);
  color: var(--primary-color);
  border: 2px solid var(--secondary-color);
}

.page-news-platform-update-log__btn-primary:hover {
  background: #e6b800;
  border-color: #e6b800;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.page-news-platform-update-log__btn-secondary {
  background: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
}

.page-news-platform-update-log__btn-secondary:hover {
  background: var(--secondary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.page-news-platform-update-log__faq-section {
  padding: 80px 20px;
  background: var(--background-light);
  color: var(--text-dark);
}

.page-news-platform-update-log__faq-container {
  max-width: 900px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-news-platform-update-log__faq-title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
  color: var(--primary-color);
}

/* FAQ容器样式 */
.page-news-platform-update-log__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

/* FAQ默认状态 - 答案隐藏 */
.page-news-platform-update-log__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 25px;
  opacity: 0;
  background: #f0f0f0;
  color: var(--text-dark);
  font-size: 15px;
  line-height: 1.7;
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-news-platform-update-log__faq-item.active .page-news-platform-update-log__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng !important đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 25px !important;
  opacity: 1;
  background: #f0f0f0;
  border-radius: 0 0 8px 8px;
}

/* 问题样式 */
.page-news-platform-update-log__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-news-platform-update-log__faq-question:hover {
  background: #f5f5f5;
  border-color: #d0d0d0;
}

.page-news-platform-update-log__faq-question:active {
  background: #eeeeee;
}

/* 问题标题样式 */
.page-news-platform-update-log__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--primary-color);
  pointer-events: none; /* 防止h3标签阻止点击事件 */
}

/* 切换图标 */
.page-news-platform-update-log__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;
  border-radius: 50%;
  background-color: #f0f0f0;
}

.page-news-platform-update-log__faq-item.active .page-news-platform-update-log__faq-toggle {
  color: var(--secondary-color);
  transform: rotate(45deg); /* Rotate for 'x' effect */
  background-color: var(--primary-color);
}

.page-news-platform-update-log__brand-section {
  padding: 80px 20px;
  background: var(--primary-color);
  color: var(--text-light);
}

.page-news-platform-update-log__brand-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  box-sizing: border-box;
}

.page-news-platform-update-log__brand-title {
  font-size: 38px;
  margin-bottom: 60px;
  color: var(--secondary-color);
}

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

.page-news-platform-update-log__brand-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 8px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news-platform-update-log__brand-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-news-platform-update-log__brand-item h3 {
  font-size: 24px;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.page-news-platform-update-log__brand-item p {
  font-size: 16px;
  opacity: 0.9;
  line-height: 1.7;
}

.page-news-platform-update-log__blog-section {
  padding: 80px 20px;
  background: var(--background-dark);
  color: var(--text-light);
}

.page-news-platform-update-log__blog-container {
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-news-platform-update-log__blog-title {
  text-align: center;
  font-size: 38px;
  margin-bottom: 60px;
  color: var(--secondary-color);
}

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

.page-news-platform-update-log__blog-item {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news-platform-update-log__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-news-platform-update-log__blog-link {
  display: block;
  text-decoration: none;
  color: var(--text-light);
  padding: 20px;
}

.page-news-platform-update-log__blog-item-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 15px;
  transition: transform 0.3s ease;
}

.page-news-platform-update-log__blog-item:hover .page-news-platform-update-log__blog-item-image {
  transform: scale(1.03);
}

.page-news-platform-update-log__blog-item-title {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--secondary-color);
  line-height: 1.4;
}

.page-news-platform-update-log__blog-item-excerpt {
  font-size: 15px;
  margin-bottom: 15px;
  opacity: 0.8;
}

.page-news-platform-update-log__blog-item-date {
  font-size: 13px;
  color: #aaa;
  display: block;
}

/* 🚨 所有图片的基础响应式样式 */
.page-news-platform-update-log img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 🚨 所有视频的基础响应式样式 */
.page-news-platform-update-log video,
.page-news-platform-update-log__video {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

/* 视频容器的基础响应式样式 */
.page-news-platform-update-log__video-section,
.page-news-platform-update-log__video-container,
.page-news-platform-update-log__video-wrapper {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* 🚨 所有按钮的基础响应式样式 */
.page-news-platform-update-log__cta-button,
.page-news-platform-update-log__play-now-button {
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

/* 按钮容器的基础响应式样式 */
.page-news-platform-update-log__cta-buttons,
.page-news-platform-update-log__video-cta {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* 🚨 移动端响应式设计（必须严格遵守） */
@media (max-width: 768px) {
  .page-news-platform-update-log {
    font-size: 15px;
    line-height: 1.6;
    padding-bottom: 30px;
  }

  /* 🚨 移动端必须重新设置padding-top，覆盖桌面端样式 */
  .page-news-platform-update-log__video-section {
    padding-top: 10px !important; /* 移动端：根据移动端导航栏实际高度调整 */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  
  .page-news-platform-update-log__video-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    overflow: hidden !important;
  }
  
  /* 🚨 视频链接移动端适配（必须严格遵守） */
  .page-news-platform-update-log__video-link {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .page-news-platform-update-log__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    border-radius: 4px;
    overflow: hidden !important;
  }
  
  .page-news-platform-update-log__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 4px;
    object-fit: contain; /* 移动端使用contain确保视频完整显示且不超出 */
  }
  
  /* 🚨 Play Now按钮移动端响应式适配（必须严格遵守） */
  .page-news-platform-update-log__video-cta {
    margin-top: 20px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .page-news-platform-update-log__play-now-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 30px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  /* 🚨 视频点击提示遮罩层移动端适配 */
  .page-news-platform-update-log__video-click-hint {
    font-size: 14px !important;
    padding: 8px 16px !important;
  }

  .page-news-platform-update-log__main-title {
    font-size: 30px;
  }

  .page-news-platform-update-log__title-description {
    font-size: 16px;
  }

  .page-news-platform-update-log__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-news-platform-update-log__cta-button {
    padding: 12px 25px;
    font-size: 15px;
  }

  .page-news-platform-update-log__faq-title,
  .page-news-platform-update-log__brand-title,
  .page-news-platform-update-log__blog-title {
    font-size: 30px;
    margin-bottom: 40px;
  }

  .page-news-platform-update-log__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-news-platform-update-log__faq-question h3 {
    font-size: 15px;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-news-platform-update-log__faq-toggle {
    margin-left: 10px;
    width: 28px;
    height: 28px;
    font-size: 24px;
  }
  
  .page-news-platform-update-log__faq-answer {
    padding: 0 15px;
  }
  
  .page-news-platform-update-log__faq-item.active .page-news-platform-update-log__faq-answer {
    padding: 15px !important;
  }

  .page-news-platform-update-log__brand-item h3 {
    font-size: 20px;
  }

  .page-news-platform-update-log__brand-item p {
    font-size: 14px;
  }

  .page-news-platform-update-log__blog-item-title {
    font-size: 18px;
  }

  .page-news-platform-update-log__blog-item-excerpt {
    font-size: 14px;
  }

  /* 🚨 移动端图片强制适配（必须包含） */
  .page-news-platform-update-log img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-news-platform-update-log__section,
  .page-news-platform-update-log__card,
  .page-news-platform-update-log__container,
  .page-news-platform-update-log__blog-item,
  .page-news-platform-update-log__brand-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  /* 视频容器移动端适配 */
  .page-news-platform-update-log__video-section,
  .page-news-platform-update-log__video-container,
  .page-news-platform-update-log__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}