/* General styles for .page-index */
.page-index {
  font-family: Arial, sans-serif;
  color: #333333; /* Dark text for light body background */
  background-color: #F5F7FA; /* Body background from shared.css */
  line-height: 1.6;
}

/* Module 1: HERO主图区域样式 */
.page-index__hero-section {
  position: relative;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 10px; /* Assuming shared.css handles body padding-top */
  margin-top: 0;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden; /* Prevent horizontal scroll from any potential image overflow */
}

.page-index__hero-container {
  position: relative;
  margin: 0 auto;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-index__hero-image {
  width: 100%;
  margin: 0;
}

.page-index__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  filter: none; /* Ensure no CSS filter */
}

@media (min-width: 850px) {
  .page-index__hero-image img {
    aspect-ratio: 16/5;
    object-fit: cover;
  }
}

/* 🚨 移动端主图防裁切（必读）：禁止 aspect-ratio + object-fit:cover + max-height 限高组合 */
@media (max-width: 849px) {
  .page-index__hero-section {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  .page-index__hero-image img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    aspect-ratio: unset !important;
    object-fit: contain !important;
    max-height: none !important;
    display: block !important;
  }
}

/* 🚨 移动端响应式设计 for HERO (max-width: 768px) */
@media (max-width: 768px) {
  .page-index__hero-section {
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    padding-top: 10px !important; /* Force 10px top padding for mobile */
    margin-top: 0;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
}

/* Module 2: 产品展示图区域样式 */
.page-index__products-section {
  width: 100%;
  padding: 60px 20px;
  box-sizing: border-box;
  background-color: #F5F7FA; /* Match body background */
}

.page-index__products-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  overflow: hidden; /* Prevent grid items from overflowing */
  box-sizing: border-box;
}

.page-index__products-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(6, 1fr); /* 桌面：一行 6 张 */
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.page-index__product-card {
  width: 100%;
  max-width: 300px; /* Max width for each card */
  border-radius: 0; /* No rounded corners */
  overflow: hidden;
  background: transparent; /* No background for card itself */
  box-shadow: none; /* No shadow */
  transition: transform 0.3s ease;
  justify-self: center; /* Center cards in their grid cell */
}

.page-index__product-card:hover {
  transform: translateY(-3px);
}

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

.page-index__product-card-image {
  width: 100%;
  max-width: 300px; /* Image container also respects max-width */
  overflow: hidden;
}

.page-index__product-card-image img {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0; /* No rounded corners */
  box-shadow: none; /* No shadow */
  filter: none; /* Ensure no CSS filter */
}

/* 🚨 移动端产品展示图区域样式 (max-width: 768px) */
@media (max-width: 768px) {
  .page-index__products-section {
    padding: 40px 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__products-container,
  .page-index__products-grid {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__products-grid {
    grid-template-columns: repeat(2, 1fr) !important; /* 移动：2 列 × 3 行 */
    gap: 15px !important;
  }
  .page-index__product-card,
  .page-index__product-card-image {
    max-width: 100% !important;
    width: 100% !important;
  }
}

/* Module 3: 居中装饰主标题样式 */
.page-index__section-title-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 100%;
  padding: 24px 12px;
  box-sizing: border-box;
  text-align: center;
  background-color: #F5F7FA; /* Match body background */
}
.page-index__section-title {
  margin: 0;
  font-size: clamp(1.1rem, 4.5vw, 1.75rem); /* Responsive font size */
  line-height: 1.35;
  color: #E53935; /* Use brand primary color for H1 */
  font-weight: 700;
}
.page-index__section-title-line {
  flex: 1;
  max-width: 80px;
  height: 2px;
  background-color: #E0E0E0; /* Border color */
  opacity: 0.6;
}

/* 🚨 移动端居中装饰主标题样式 (max-width: 768px) */
@media (max-width: 768px) {
  .page-index__section-title-wrap {
    padding: 20px 10px !important;
    flex-wrap: wrap;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__section-title {
    font-size: clamp(1.2rem, 6vw, 1.75rem) !important;
    max-width: 90% !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-index__section-title-line {
    max-width: 40px !important;
  }
}

/* Module 4: 长文 SEO 主体样式 */
.page-index__article-body {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 48px; /* Added left/right padding */
  box-sizing: border-box;
  overflow-x: hidden; /* Prevent horizontal scroll */
  background-color: #F5F7FA; /* Match body background */
}
.page-index__article-body h2 {
  margin: 2.5rem 0 1.25rem;
  color: #E53935; /* Primary color for H2 */
  font-size: 1.8em;
  font-weight: 600;
}
.page-index__article-body h3 {
  margin: 1.5rem 0 0.75rem;
  color: #FF5A4F; /* Secondary color for H3 */
  font-size: 1.4em;
  font-weight: 600;
}
.page-index__article-body p {
  margin-bottom: 1em;
  color: #333333; /* Main text color */
}
.page-index__article-body ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 1em;
  color: #333333;
}
.page-index__article-body li {
  margin-bottom: 0.5em;
  color: #333333;
}
.page-index__article-figure {
  margin: 2rem auto;
  max-width: 800px; /* Max width for article figures */
  text-align: center;
}
.page-index__article-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 5px; /* Slight round for article images */
  box-shadow: 0 4px 10px rgba(0,0,0,0.1); /* Subtle shadow for article images */
  filter: none; /* Ensure no CSS filter */
}
.page-index__article-figure figcaption {
  font-style: italic;
  font-size: 0.9em;
  color: #666666;
  margin-top: 0.5rem;
}
.page-index__article-quote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  border-left: 4px solid #FF5A4F; /* Secondary color for quote border */
  background-color: #ffffff; /* Card BG color */
  color: #333333; /* Main text color */
  font-style: italic;
  line-height: 1.8;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.page-index__btn-link {
  display: inline-block;
  padding: 10px 20px;
  margin-top: 10px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  color: #ffffff; /* White text for buttons */
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); /* Button gradient */
  transition: background 0.3s ease;
  max-width: 100%; /* Ensure button responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}
.page-index__btn-link:hover {
  opacity: 0.9;
}
.page-index__text-link {
  color: #E53935;
  text-decoration: underline;
}
.page-index__text-link:hover {
  color: #FF5A4F;
}

/* 🚨 移动端长文 SEO 主体样式 (max-width: 768px) */
@media (max-width: 768px) {
  .page-index__article-body {
    padding: 0 15px 32px !important;
    font-size: 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__article-body h2 {
    font-size: clamp(1.25rem, 5vw, 1.5rem) !important;
    margin: 2rem 0 1rem !important;
  }
  .page-index__article-body h3 {
    font-size: clamp(1.1rem, 4.5vw, 1.2em) !important;
    margin: 1.25rem 0 0.75rem !important;
  }
  .page-index__article-quote {
    padding: 1rem 1.25rem !important;
    margin: 1.5rem 0 !important;
  }
  .page-index__article-figure {
    margin: 1.5rem auto !important;
    max-width: 100% !important;
  }
  .page-index__article-figure img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__btn-link {
    width: 100% !important;
    padding: 12px 15px !important;
    text-align: center;
  }
}

/* 🚨 通用图片和容器的移动端适配 (max-width: 768px) */
@media (max-width: 768px) {
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    filter: none !important;
  }
  
  .page-index__section,
  .page-index__container,
  .page-index__products-section,
  .page-index__products-container,
  .page-index__products-grid,
  .page-index__article-body,
  .page-index__section-title-wrap {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
}

/* 🚨 按钮与按钮容器的移动端适配 (max-width: 768px) */
@media (max-width: 768px) {
  .page-index__cta-button,
  .page-index__btn-primary,
  .page-index__btn-secondary,
  .page-index a[class*="button"],
  .page-index a[class*="btn"],
  .page-index__btn-link {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  
  .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 !important;
    padding-right: 15px !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
  }
  
  .page-index__cta-buttons {
    display: flex !important;
    flex-direction: column !important;
  }
}