/* style/index.css */
/* 页面内容区域样式 */
.page-index {
  color: #ffffff; /* Body背景色 #121212 为深色，所以文字使用浅色 */
  background-color: #121212; /* 确保页面主体背景色与body一致，防止闪烁 */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* --- 视频区域样式 --- */
.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); /* 顶部间距以公用片段约定为准 */
  background-color: #0d0d0d; /* 稍暗的背景色 */
}

.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;
}

.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;
  border-radius: 8px; /* Added for consistency */
  overflow: hidden; /* Added for consistency */
}

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

.page-index__video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 宽高比 */
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.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 */
}

.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, 0.4);
  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(195, 8, 8, 0.8); /* Using register button color */
  border-radius: 5px;
  white-space: nowrap;
}

.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: #C30808; /* Register button color */
  color: #FFFF00; /* Register font color */
  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;
  letter-spacing: 1px;
}

.page-index__play-now-button:hover {
  background: #a30707; /* Darker red */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

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

/* --- H1标题 + 活动推广按钮区域样式 --- */
.page-index__title-section {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, #017439, #005f2f); /* Brand green gradient */
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-index__title-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.page-index__main-title {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  color: #ffffff; /* Ensure high contrast */
}

.page-index__title-description {
  font-size: 18px;
  margin-bottom: 40px;
  color: #f0f0f0;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

.page-index__cta-button {
  display: inline-block;
  padding: 18px 45px;
  text-decoration: none;
  border-radius: 10px;
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  letter-spacing: 1px;
  min-width: 180px; /* Ensure buttons are not too small */
}

.page-index__cta-button--register {
  background: #C30808; /* Register button color */
  color: #FFFF00; /* Register font color */
}

.page-index__cta-button--register:hover {
  background: #a30707; /* Darker red */
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-index__cta-button--login {
  background: #017439; /* Main brand color */
  color: #ffffff;
}

.page-index__cta-button--login:hover {
  background: #005f2f; /* Darker green */
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* --- 品牌介绍区域样式 --- */
.page-index__brand-section {
  padding: 80px 20px;
  background-color: #1a1a1a; /* Dark background for brand section */
  color: #ffffff;
  text-align: center;
}

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

.page-index__brand-title {
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 50px;
  color: #ffffff;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

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

.page-index__brand-item {
  background: rgba(255, 255, 255, 0.08); /* Slightly transparent white for cards */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: left;
}

.page-index__brand-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index__brand-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  width: 100%; /* Ensure image fills container */
  min-height: 200px; /* Minimum size */
}

.page-index__brand-item-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #FFFF00; /* Yellow for sub-titles */
}

.page-index__brand-item p {
  font-size: 16px;
  color: #e0e0e0;
  line-height: 1.7;
}

/* --- FAQ常见问题区域样式 --- */
.page-index__faq-section {
  padding: 80px 20px;
  background-color: #f9f9f9; /* Light background for FAQ */
  color: #333333; /* Dark text for light background */
}

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

.page-index__faq-main-title {
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 50px;
  text-align: center;
  color: #017439; /* Brand green for main title */
}

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

/* details 作为 FAQ 卡片 */
details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}
details.page-index__faq-item summary.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #333333;
}
details.page-index__faq-item summary.page-index__faq-question::-webkit-details-marker {
  display: none;
}
details.page-index__faq-item summary.page-index__faq-question:hover {
  background: #f0f0f0;
}
.page-index__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #017439; /* Brand green for question text */
}
.page-index__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #017439; /* Brand green for toggle */
  flex-shrink: 0;
  margin-left: 20px;
  width: 30px;
  text-align: center;
}
details.page-index__faq-item .page-index__faq-answer {
  padding: 0 25px 25px;
  background: #f9f9f9;
  border-radius: 0 0 8px 8px;
  color: #555555;
}
details.page-index__faq-item .page-index__faq-answer p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
}

/* --- 博客列表展示区域样式 --- */
.page-index__blog-section {
  padding: 80px 20px;
  background-color: #0d0d0d; /* Dark background */
  color: #ffffff;
  text-align: center;
}

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

.page-index__blog-title {
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 50px;
  color: #ffffff;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

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

.page-index__blog-item {
  background: rgba(255, 255, 255, 0.08); /* Slightly transparent white for blog cards */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: left;
  display: flex;
  flex-direction: column;
}

.page-index__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index__blog-image {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-index__blog-link {
  display: block;
  padding: 25px;
  color: #ffffff;
  text-decoration: none;
  flex-grow: 1; /* Allow content to grow */
  display: flex;
  flex-direction: column;
}

.page-index__blog-item-title {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.3;
  color: #FFFF00; /* Yellow for blog titles */
}

.page-index__blog-item-excerpt {
  font-size: 15px;
  color: #e0e0e0;
  margin-bottom: 15px;
  flex-grow: 1; /* Allow excerpt to take available space */
}

.page-index__blog-item-date {
  font-size: 13px;
  color: #cccccc;
  opacity: 0.8;
  margin-top: auto; /* Push date to bottom */
}


/* --- 移动端响应式设计 --- */
@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }

  /* 视频区域 */
  .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; /* 移动端使用contain确保视频完整显示且不超出 */
  }
  
  .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;
  }

  /* H1标题 + 活动推广按钮 */
  .page-index__title-section {
    padding: 60px 15px;
  }

  .page-index__main-title {
    font-size: 32px;
    margin-bottom: 15px;
  }

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

  .page-index__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-index__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 15px 30px;
    font-size: 18px;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 品牌介绍 */
  .page-index__brand-section {
    padding: 60px 15px;
  }

  .page-index__brand-title {
    font-size: 30px;
    margin-bottom: 40px;
  }

  .page-index__brand-content {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 30px;
  }

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

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

  .page-index__brand-item p {
    font-size: 15px;
  }
  
  .page-index__brand-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-height: 180px;
  }

  /* FAQ */
  .page-index__faq-section {
    padding: 60px 15px;
  }

  .page-index__faq-main-title {
    font-size: 30px;
    margin-bottom: 40px;
  }

  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px;
  }
  .page-index__faq-qtext { font-size: 16px; }
  .page-index__faq-toggle {
    font-size: 24px;
    width: 24px;
    margin-left: 15px;
  }
  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 15px 15px;
  }
  details.page-index__faq-item .page-index__faq-answer p {
    font-size: 15px;
  }

  /* 博客列表 */
  .page-index__blog-section {
    padding: 60px 15px;
  }

  .page-index__blog-title {
    font-size: 30px;
    margin-bottom: 40px;
  }

  .page-index__blog-list {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 25px;
  }

  .page-index__blog-item {
    padding-bottom: 0; /* Remove extra padding if any */
  }

  .page-index__blog-link {
    padding: 20px 15px;
  }

  .page-index__blog-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-height: 180px;
  }

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

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

/* 全局图片响应式适配 */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__brand-item,
  .page-index__blog-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  /* Ensure no padding on items if parent already has it */
  .page-index__brand-item,
  .page-index__blog-item {
    padding-left: 0;
    padding-right: 0;
  }
  .page-index__brand-item-title,
  .page-index__brand-item p,
  .page-index__blog-item-title,
  .page-index__blog-item-excerpt,
  .page-index__blog-item-date {
    /* Ensure text within cards has proper padding */
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
  }
  .page-index__blog-link {
    padding: 20px 15px; /* Adjust padding for blog link content */
  }
}