:root {
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --card-bg: #111111;
  --body-bg: #0A0A0A;
  --text-main: #FFF6D6;
  --border-color: #3A2A12;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

.page-index {
  background-color: var(--body-bg);
  color: var(--text-main);
  line-height: 1.6;
  font-family: Arial, sans-serif;
}

.page-index__promo-hero-section {
  position: relative;
  margin-bottom: 60px; /* 与轮播模块保持自然间距 */
  padding-top: var(--header-offset, 120px);
  background-color: var(--body-bg);
}

.page-index__promo-hero-card-link {
  text-decoration: none;
  color: inherit;
}

.page-index__promo-hero-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
  background-color: var(--card-bg);
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

.page-index__promo-hero-media {
  overflow: hidden;
  border-radius: 10px;
}

.page-index__promo-hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-index__promo-hero-content {
  padding: 20px;
  color: var(--text-main);
}

.page-index__promo-hero-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--secondary-color);
  line-height: 1.2;
}

.page-index__promo-hero-subtitle {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main);
}

.page-index__promo-hero-desc {
  font-size: 16px;
  margin-bottom: 25px;
  color: var(--text-main);
}

.page-index__promo-hero-cta {
  display: inline-block;
  background: var(--button-gradient);
  color: #ffffff;
  padding: 12px 25px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  transition: transform 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-index__promo-hero-cta:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

/* 模块B：轮播区域（紧随模块A） */
.page-index__hero-carousel-section {
  position: relative;
  width: 100vw; /* 🚨 轮播必须全屏 */
  overflow: hidden;
  margin-bottom: 60px;
  background-color: var(--body-bg);
}

.page-index__hero-carousel {
  position: relative;
  width: 100%;
}

.page-index__hero-slides {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 31.25%; /* 16:9 宽高比 for 1920x600 */
  overflow: hidden;
}

.page-index__hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateX(100%);
  transition: transform 0.6s ease;
  z-index: 0;
}

.page-index__hero-slide.active {
  transform: translateX(0);
  z-index: 1;
}

.page-index__hero-slide.prev {
  transform: translateX(-100%);
  z-index: 0;
}

.page-index__hero-slide a {
  display: block;
  width: 100%;
  height: 100%;
}

.page-index__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 轮播指示器 */
.page-index__hero-indicators {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.page-index__hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background 0.3s ease;
}

.page-index__hero-dot.active {
  background: #ffffff;
}

.page-index__hero-dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* 文章区域主容器 */
.page-index__articles-section {
  padding: 60px 20px;
  background-color: var(--body-bg);
  color: var(--text-main);
}

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

/* 主标题 - 左对齐，上下排版（两部分垂直排列） */
.page-index__articles-main-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  margin-bottom: 40px;
  text-align: left;
}

.page-index__articles-title-small {
  font-size: 16px;
  font-weight: 900;
  color: var(--secondary-color); /* Adjusted for dark theme */
}

.page-index__articles-title-large {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary-color); /* Adjusted for dark theme */
}

/* 分类section - 每个分类区域独立包裹 */
.page-index__category-section {
  margin-bottom: 60px;
  padding: 30px;
  background-color: var(--card-bg); /* Adjusted for dark theme */
  border-radius: 15px; /* Adjusted for consistency */
  border: 1px solid var(--border-color);
}

/* 分类头部 */
.page-index__category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.page-index__category-title-wrapper {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-shrink: 1;
  min-width: 0;
}

.page-index__category-icon {
  width: 30px;
  height: 30px;
  object-fit: contain;
  filter: brightness(1.2); /* Slightly brighten icons on dark background */
}

.page-index__category-title {
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  color: var(--text-main); /* Adjusted for dark theme */
}

.page-index__category-read-more {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.page-index__category-read-more:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* 文章网格 - 3列2行布局 */
.page-index__articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 20px;
}

/* 文章卡片 - 只作为容器，不设置圆角和边框 */
.page-index__article-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  transition: transform 0.3s ease;
}

.page-index__article-card:hover {
  transform: translateY(-5px);
}

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

/* 文章缩略图 - 图片独立圆角 */
.page-index__article-thumbnail {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 宽高比 */
  overflow: hidden;
  background: #222222; /* Darker placeholder for images */
  border-radius: 8px;
  margin-bottom: 0;
}

.page-index__article-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

/* 游戏提供商标签 */
.page-index__article-provider-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  z-index: 1;
}

/* 文章标题链接 - 标题独立在图片下方 */
.page-index__article-title-link {
  display: block;
  text-decoration: none;
  color: inherit;
  margin-top: 12px;
}

/* 文章标题 */
.page-index__article-title {
  margin: 0;
  padding: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main); /* Adjusted for dark theme */
  transition: color 0.3s ease;
}

.page-index__article-title-link:hover .page-index__article-title {
  color: var(--primary-color);
}

.page-index__partners-section {
  padding: 60px 20px;
  background-color: var(--body-bg); /* Adjusted for dark theme */
}

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

/* 2行5列网格布局，共10张图 */
.page-index__partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 20px;
  align-items: center;
  justify-items: center;
}

.page-index__partner-item {
  background-color: var(--card-bg); /* Adjusted for dark theme */
  border-radius: 10px;
  padding-left: 19px;
  padding-right: 19px;
  padding-top: 9px;
  padding-bottom: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: auto;
  box-sizing: border-box;
  border: 1px solid var(--border-color); /* Adjusted for dark theme */
}

/* 🚨 图片尺寸必须严格遵守：宽167px，高127px */
.page-index__partner-logo {
  width: 167px;
  height: 127px;
  object-fit: contain;
  display: block;
  filter: brightness(1.2); /* Slightly brighten logos on dark background */
}

.page-index__info-section {
  padding: 60px 20px;
  background-color: var(--body-bg); /* Adjusted for dark theme */
  color: var(--text-main);
}

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

.page-index__info-main-title {
  font-size: 36px;
  font-weight: 600;
  text-align: left;
  margin-bottom: 40px;
  color: var(--primary-color); /* Adjusted for dark theme */
  line-height: 1.3;
}

.page-index__info-content {
  line-height: 1.8;
  color: var(--text-main); /* Adjusted for dark theme */
}

.page-index__info-subsection {
  margin-bottom: 40px;
}

.page-index__info-subtitle {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--secondary-color); /* Adjusted for dark theme */
}

.page-index__info-content h4 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 25px;
  margin-bottom: 15px;
  color: var(--text-main); /* Adjusted for dark theme */
}

.page-index__info-content p {
  margin-bottom: 15px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main); /* Adjusted for dark theme */
}

.page-index__info-list {
  margin: 20px 0;
  padding-left: 30px;
}

.page-index__info-list li {
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main); /* Adjusted for dark theme */
}

/* 第一段内容 - 默认显示 */
.page-index__info-first-section {
  margin-bottom: 40px;
}

/* 可折叠内容区域 - 初始状态为收起（只显示第一段内容） */
.page-index__info-expandable {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.page-index__info-expandable.expanded {
  max-height: 5000px; /* Sufficiently large to show all content */
}

/* Load more/Load less按钮 - 居中，不粗体 */
.page-index__load-less-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin: 40px auto 0;
  padding: 0;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: normal;
  cursor: pointer;
  transition: color 0.3s ease;
  text-decoration: none;
}

.page-index__load-less-text {
  color: var(--primary-color);
  transition: color 0.3s ease;
}

.page-index__load-less-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

.page-index__load-less-arrow {
  font-size: 14px;
  line-height: 1;
  display: block;
}

/* 收起状态：显示"Load more"，蓝色，3个向下箭头 */
.page-index__load-less-btn.collapsed .page-index__load-less-text {
  color: var(--primary-color);
}

.page-index__load-less-btn.collapsed .page-index__load-less-icon {
  color: var(--primary-color);
}

.page-index__load-less-btn.collapsed .page-index__load-less-arrow {
  display: block;
}