:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-bg: #C30808;
  --login-button-bg: #C30808;
  --button-text-color: #FFFFFF; /* Overriding #FFFF00 for contrast */
}

.page-index {
  color: #ffffff; /* Body background is #0a0a0a (dark), so text must be light */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-index__section-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 50px;
  color: var(--secondary-color);
}

/* 🚨 桌面端视频区域样式（必须严格遵守） */
.page-index__video-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: var(--header-offset, 120px);
  background-color: #0a0a0a; /* Ensure dark background for this section */
}

.page-index__video-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

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

.page-index__video-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.page-index__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, 0.15);
}

.page-index__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-index__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, 0.3);
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.page-index__video-link:hover .page-index__video-overlay {
  opacity: 1;
}

.page-index__video-click-hint {
  color: #ffffff;
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  background: rgba(1, 116, 57, 0.8); /* Using primary color with transparency */
  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-index__video-cta {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
}

.page-index__play-now-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--register-button-bg); /* Using custom color #C30808 */
  color: var(--button-text-color); /* Using #FFFFFF for contrast */
  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, 0.15);
  border: none;
  cursor: pointer;
}

.page-index__play-now-button:hover {
  background: #a30606; /* Slightly darker red */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-index__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Module 1: H1 Title + CTA Buttons */
.page-index__title-section {
  background: #0a0a0a; /* Dark background to match body */
  padding: 80px 20px;
  text-align: center;
  color: var(--secondary-color);
}

.page-index__main-title {
  font-size: 48px;
  margin-bottom: 20px;
  color: var(--secondary-color);
  line-height: 1.2;
}

.page-index__title-description {
  font-size: 18px;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

.page-index__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-index__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: var(--primary-color);
  color: var(--secondary-color);
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  white-space: nowrap;
  max-width: 100%;
  box-sizing: border-box;
}

.page-index__cta-button--register {
  background: var(--register-button-bg); /* Custom color */
  color: var(--button-text-color); /* Custom text color for contrast */
}

.page-index__cta-button--register:hover {
  background: #a30606;
  transform: translateY(-2px);
}

.page-index__cta-button--explore {
  background: var(--primary-color);
  color: var(--secondary-color);
}

.page-index__cta-button--explore:hover {
  background: #005a2b;
  transform: translateY(-2px);
}

.page-index__about-section {
  padding: 80px 0;
  background-color: #1a1a1a; /* Darker background for contrast */
  color: var(--secondary-color);
}

.page-index__content-grid {
  display: flex;
  gap: 40px;
  align-items: center;
}

.page-index__content-text {
  flex: 1;
  font-size: 16px;
}

.page-index__content-text p {
  margin-bottom: 15px;
  color: #f0f0f0;
}

.page-index__content-image {
  flex: 1;
  text-align: center;
}

.page-index__content-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Module 2: FAQ Section */
.page-index__faq-section {
  padding: 80px 0;
  background: #0a0a0a; /* Match body background */
  color: var(--secondary-color);
}

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

/* FAQ容器样式 */
.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}

/* FAQ默认状态 - 答案隐藏 */
.page-index__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 15px;
  opacity: 0;
  color: #f0f0f0;
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-index__faq-item.active .page-index__faq-answer {
  max-height: 2000px !important; /* 🚨 使用!important确保优先级，值足够大以容纳任何内容 */
  padding: 20px 15px !important;
  opacity: 1;
  background: #1a1a1a; /* Slightly lighter dark background for answer */
  border-radius: 0 0 5px 5px;
}

/* 问题样式 */
.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #017439; /* Primary color for question background */
  border: 1px solid #005a2b;
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  color: var(--secondary-color);
}

.page-index__faq-question:hover {
  background: #005a2b;
  border-color: #00421f;
}

.page-index__faq-question:active {
  background: #00421f;
}

/* 问题标题样式 */
.page-index__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(--secondary-color);
}

/* 切换图标 */
.page-index__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--secondary-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-index__faq-item.active .page-index__faq-toggle {
  color: var(--secondary-color);
  transform: rotate(45deg); /* Optional: rotate for 'X' effect */
}

/* Module 3: Brand Introduction */
.page-index__brand-section {
  padding: 80px 0;
  background-color: #0a0a0a; /* Dark background to match body */
  color: var(--secondary-color);
}

.page-index__brand-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-index__brand-item {
  background: #1a1a1a; /* Slightly lighter dark background for cards */
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.page-index__brand-item:hover {
  transform: translateY(-5px);
}

.page-index__brand-item img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
  margin-bottom: 20px;
  min-width: 200px; /* Enforce min size */
  min-height: 200px; /* Enforce min size */
}

.page-index__brand-item h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--primary-color); /* Use primary color for headings */
}

.page-index__brand-item p {
  font-size: 15px;
  color: #f0f0f0;
}

/* Module 4: Blog List Display */
.page-index__blog-section {
  padding: 80px 0;
  background-color: #1a1a1a; /* Darker background for contrast */
  color: var(--secondary-color);
}

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

.page-index__blog-item {
  background: #0a0a0a; /* Match body background for blog cards */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-index__blog-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-index__blog-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  min-width: 200px; /* Enforce min size */
  min-height: 200px; /* Enforce min size */
}

.page-index__blog-item-title {
  font-size: 20px;
  font-weight: bold;
  margin: 20px 20px 10px 20px;
  color: var(--primary-color); /* Use primary color for blog titles */
}

.page-index__blog-item-excerpt {
  font-size: 15px;
  color: #cccccc;
  margin: 0 20px 15px 20px;
}

.page-index__blog-item-date {
  display: block;
  font-size: 13px;
  color: #888888;
  margin: 0 20px 20px 20px;
}

.page-index__view-all-button-wrapper {
  text-align: center;
  margin-top: 50px;
}

.page-index__cta-button--view-all {
  background: var(--primary-color);
  color: var(--secondary-color);
}

.page-index__cta-button--view-all:hover {
  background: #005a2b;
  transform: translateY(-2px);
}

/* 🚨 移动端响应式设计（必须严格遵守） */
@media (max-width: 768px) {
  .page-index__video-section {
    padding-top: var(--header-offset, 120px) !important;
    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-index__video-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    overflow: hidden !important;
  }
  
  .page-index__video-link {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .page-index__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    border-radius: 4px;
    overflow: hidden !important;
  }
  
  .page-index__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 4px;
    object-fit: contain;
  }
  
  .page-index__video-cta {
    margin-top: 20px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .page-index__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;
  }
  
  .page-index__video-click-hint {
    font-size: 14px !important;
    padding: 8px 16px !important;
  }

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

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

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

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

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

  .page-index__cta-button {
    width: 100%;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 16px;
  }

  .page-index__about-section,
  .page-index__faq-section,
  .page-index__brand-section,
  .page-index__blog-section {
    padding: 40px 0;
  }

  .page-index__content-grid {
    flex-direction: column;
    gap: 30px;
  }
  
  .page-index__content-image img,
  .page-index__brand-item img,
  .page-index__blog-item img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
    box-sizing: border-box !important;
  }

  .page-index__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-index__faq-question h3 {
    font-size: 16px;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-index__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-index__faq-answer {
    padding: 0 15px;
  }
  
  .page-index__faq-item.active .page-index__faq-answer {
    padding: 15px !important;
  }

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

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

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

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

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