/* style/index.css */
:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-bg: #C30808;
  --login-button-bg: #C30808;
  --button-text-color: #FFFF00;
  --dark-background: #1a1a1a;
  --light-text-on-dark: #ffffff;
  --light-text-on-primary: #ffffff;
  --dark-text-on-light: #333333;
}

.page-index {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--light-text-on-dark); /* Default text color for dark body background */
  background-color: var(--dark-background);
}

/* 🚨 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: var(--dark-background);
}

.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, 0.4);
}

.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, 0.3);
}

.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 */
}

/* 🚨 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, 0.5);
  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 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-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); /* Use specific color for Play Now */
  color: var(--button-text-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;
  text-transform: uppercase;
}

.page-index__play-now-button:hover {
  background: #a30606; /* Slightly 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);
}

/* Module 1: H1 Title + CTA */
.page-index__title-section {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--primary-color);
  color: var(--light-text-on-primary);
}

.page-index__title-container {
  max-width: 1000px;
  margin: 0 auto;
}

.page-index__main-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--light-text-on-primary);
}

.page-index__title-description {
  font-size: 18px;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

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

.page-index__cta-button {
  display: inline-block;
  padding: 15px 35px;
  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;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__cta-button--register {
  background: var(--register-button-bg);
  color: var(--button-text-color);
}

.page-index__cta-button--register:hover {
  background: #a30606; /* Slightly darker red */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-index__cta-button--login {
  background: var(--login-button-bg);
  color: var(--button-text-color);
}

.page-index__cta-button--login:hover {
  background: #a30606; /* Slightly darker red */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* Module 3: Brand Introduction */
.page-index__brand-section {
  padding: 80px 20px;
  background-color: var(--dark-background);
  color: var(--light-text-on-dark);
  text-align: center;
}

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

.page-index__brand-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--light-text-on-dark);
}

.page-index__brand-intro-text {
  font-size: 18px;
  margin-bottom: 60px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.8);
}

.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, 0.05); /* Slightly transparent white on dark background */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-index__brand-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-index__brand-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  object-fit: cover;
  min-height: 200px; /* Enforce min size */
}

.page-index__brand-item-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--primary-color); /* Use primary color for titles */
}

.page-index__brand-item p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  flex-grow: 1;
}

/* Module 2: FAQ */
.page-index__faq-section {
  padding: 80px 20px;
  background-color: var(--primary-color);
  color: var(--light-text-on-primary);
  text-align: center;
}

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

.page-index__faq-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--light-text-on-primary);
}

.page-index__faq-intro-text {
  font-size: 18px;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.page-index__faq-list {
  text-align: left;
}

/* details 作为 FAQ 卡片 */
details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  transition: background-color 0.3s ease;
  color: var(--light-text-on-dark);
}

details.page-index__faq-item:hover {
  background: rgba(255, 255, 255, 0.15);
}

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;
  font-size: 18px;
  font-weight: 600;
  color: var(--light-text-on-primary);
}

details.page-index__faq-item summary.page-index__faq-question::-webkit-details-marker {
  display: none;
}

.page-index__faq-qtext {
  flex: 1;
  line-height: 1.5;
  text-align: left;
  color: var(--light-text-on-primary);
}

.page-index__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--button-text-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 25px 25px;
  background: rgba(0, 0, 0, 0.2); /* Darker background for answer */
  border-radius: 0 0 10px 10px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
}

.page-index__faq-answer p {
  margin: 0;
  padding: 0;
}

/* Module 4: Blog List */
.page-index__blog-section {
  padding: 80px 20px;
  background-color: var(--dark-background);
  color: var(--light-text-on-dark);
  text-align: center;
}

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

.page-index__blog-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--light-text-on-dark);
}

.page-index__blog-intro-text {
  font-size: 18px;
  margin-bottom: 60px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.8);
}

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

.page-index__blog-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-index__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-index__blog-item-image {
  width: 100%;
  height: 220px; /* Fixed height for consistent card appearance */
  object-fit: cover;
  min-height: 200px; /* Enforce min size */
}

.page-index__blog-item-content {
  padding: 25px;
  text-align: left;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-index__blog-item-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.3;
  color: var(--primary-color);
}

.page-index__blog-item-title a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-index__blog-item-title a:hover {
  color: var(--button-text-color);
}

.page-index__blog-item-excerpt {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-index__blog-item-date {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  margin-top: auto;
}

.page-index__blog-cta {
  display: flex;
  justify-content: center;
}

/* Re-use existing cta-button styles for blog CTA */
.page-index__blog-cta .page-index__cta-button {
  background: var(--primary-color);
  color: var(--light-text-on-primary);
}

.page-index__blog-cta .page-index__cta-button:hover {
  background: #00562e; /* Darker green */
}

/* 🚨 移动端响应式设计（必须严格遵守） */
@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .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__title-section,
  .page-index__brand-section,
  .page-index__faq-section,
  .page-index__blog-section {
    padding: 40px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

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

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

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

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

  .page-index__brand-title,
  .page-index__faq-title,
  .page-index__blog-title {
    font-size: 32px;
  }

  .page-index__brand-intro-text,
  .page-index__faq-intro-text,
  .page-index__blog-intro-text {
    font-size: 16px;
  }

  .page-index__brand-content,
  .page-index__blog-list {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .page-index__brand-item p,
  .page-index__blog-item-excerpt {
    font-size: 15px;
  }

  .page-index__blog-item-image {
    height: auto;
    min-height: 200px;
  }

  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px;
    font-size: 16px;
  }

  .page-index__faq-qtext {
    font-size: 15px;
  }

  .page-index__faq-toggle {
    font-size: 24px;
    width: 24px;
  }

  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 15px 15px;
    font-size: 15px;
  }

  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__video-section,
  .page-index__video-container,
  .page-index__video-wrapper,
  .page-index__cta-buttons,
  .page-index__button-group,
  .page-index__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}