/* 🚨 Tổng quan: Tất cả các module đều có desktop và @media (max-width: 768px) đầy đủ */

/* Base styles and color definitions */
.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF; /* Body background from shared.css is default white */
}

/* Custom colors from requirements */
.page-index__btn-register {
  background-color: #C30808;
  color: #FFFF00;
}
.page-index__btn-login {
  background-color: #C30808;
  color: #FFFF00;
}
.page-index__background-color {
  background-color: #FFFFFF;
}
.page-index__register-login-font-color {
  color: #FFFF00;
}

/* 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; /* shared 已给 body 留白：约 10px 级顶距 */
  margin-top: 0;
  background-color: #FFFFFF; /* Ensure background matches body for seamless integration */
}

.page-index__hero-container {
  position: relative;
  margin: 0 auto;
  width: 100%;
  max-width: 100%;
}

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

.page-index__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

@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（必须严格遵守） */
@media (max-width: 768px) {
  .page-index__hero-section {
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    padding-top: 10px !important;
    margin-top: 0;
  }
}

/* 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: #FFFFFF;
}

.page-index__products-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.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;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  transition: transform 0.3s ease;
}

.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;
  overflow: hidden;
}

.page-index__product-card-image img {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .page-index__products-section {
    padding: 40px 15px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  .page-index__products-container,
  .page-index__products-grid {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  .page-index__products-grid {
    grid-template-columns: repeat(2, 1fr); /* 移动：2 列 × 3 hàng */
    gap: 15px;
  }
  .page-index__product-card,
  .page-index__product-card-image {
    max-width: 100%;
  }
}

/* 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: #FFFFFF;
}
.page-index__section-title {
  margin: 0;
  font-size: clamp(1.1rem, 4.5vw, 1.75rem);
  line-height: 1.35;
  color: #017439; /* Brand primary color for title */
  font-weight: 700;
}
.page-index__section-title-line {
  flex: 1;
  max-width: 80px;
  height: 2px;
  background-color: #017439;
  opacity: 0.6;
}
@media (max-width: 768px) {
  .page-index__section-title-line {
    max-width: 40px;
  }
  .page-index__section-title {
    font-size: clamp(1.1rem, 5vw, 1.5rem);
  }
}

/* 4. 长文 SEO 主体样式 */
.page-index__article-body {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 12px 48px;
  box-sizing: border-box;
  overflow-x: hidden;
  background-color: #FFFFFF;
  color: #333333;
}
.page-index__article-body h2 {
  margin: 2rem 0 1rem;
  color: #017439; /* Primary color for H2 */
  font-weight: 600;
  font-size: 1.8rem;
}
.page-index__article-body h3 {
  margin: 1.25rem 0 0.75rem;
  color: #017439; /* Primary color for H3 */
  font-weight: 600;
  font-size: 1.4rem;
}
.page-index__article-body p {
  margin-bottom: 1rem;
  line-height: 1.7;
  font-size: 1rem;
}
.page-index__article-body ul {
  margin-bottom: 1rem;
  padding-left: 20px;
}
.page-index__article-body li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}
.page-index__article-figure {
  margin: 1.5rem auto;
  max-width: 800px;
  text-align: center;
}
.page-index__article-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.page-index__article-figure figcaption {
  margin-top: 0.5rem;
  font-style: italic;
  color: #666;
  font-size: 0.9rem;
}
.page-index__article-quote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid #017439; /* Use primary color for quote border */
  background-color: #f9f9f9;
  color: #333333;
  font-style: italic;
}
.page-index__article-link {
  color: #017439;
  text-decoration: underline;
}
.page-index__btn-primary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-top: 15px;
  margin-right: 10px;
  cursor: pointer;
}
.page-index__btn-primary:hover {
  opacity: 0.9;
}
.page-index__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  margin-top: 15px;
  cursor: pointer;
}
.page-index__btn-secondary:hover {
  background-color: #017439;
  color: #FFFFFF;
}

/* 🚨 移动端适配长文 SEO 区 */
@media (max-width: 768px) {
  .page-index__article-body {
    padding: 0 12px 32px;
    font-size: 16px;
  }
  .page-index__article-body h2 {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
  }
  .page-index__article-body h3 {
    font-size: clamp(1.1rem, 4.5vw, 1.3rem);
    margin-top: 1rem;
    margin-bottom: 0.6rem;
  }
  .page-index__article-figure {
    margin: 1rem auto;
  }
  .page-index__article-figure img {
    border-radius: 6px;
  }
  .page-index__article-quote {
    margin: 1rem 0;
    padding: 0.8rem 1rem;
  }
  .page-index__btn-primary,
  .page-index__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin-right: 0;
    margin-bottom: 10px;
    text-align: center;
  }
}

/* 通用图片与容器移动端适配 */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-index__section,
.page-index__card,
.page-index__container {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

@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 {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}

/* 按钮与按钮容器移动端适配 */
.page-index__cta-button,
.page-index__btn-primary,
.page-index__btn-secondary,
.page-index a[class*="button"],
.page-index a[class*="btn"] {
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__cta-buttons,
.page-index__button-group,
.page-index__btn-container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap; /* Allow wrapping for multiple buttons */
  gap: 10px;
  justify-content: center;
}

@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"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .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;
    flex-direction: column; /* Stack buttons vertically on mobile */
    gap: 10px;
  }
}