:root {
  --page-primary-color: #E53935;
  --page-secondary-color: #FF5A4F;
  --page-card-bg: #FFFFFF;
  --page-background: #F5F7FA;
  --page-text-main: #333333;
  --page-border-color: #E0E0E0;
}

.page-da-ga {
  font-family: 'Arial', sans-serif;
  color: var(--page-text-main);
  line-height: 1.6;
  background-color: var(--page-background);
}

.page-da-ga__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-da-ga__section-title {
  font-size: 2.5em;
  color: var(--page-primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
}

.page-da-ga__section-title--light {
  color: #ffffff;
}

.page-da-ga__sub-title {
  font-size: 1.8em;
  color: var(--page-primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-da-ga__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: var(--page-text-main);
}

.page-da-ga__text-block--light {
  color: #ffffff;
}

.page-da-ga__highlight {
  color: var(--page-primary-color);
  font-weight: 600;
}

.page-da-ga__btn-primary,
.page-da-ga__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
  border: none;
}

.page-da-ga__btn-primary {
  background: linear-gradient(180deg, var(--page-secondary-color) 0%, var(--page-primary-color) 100%);
  color: #ffffff;
}

.page-da-ga__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-da-ga__btn-secondary {
  background: var(--page-card-bg);
  color: var(--page-primary-color);
  border: 2px solid var(--page-primary-color);
}

.page-da-ga__btn-secondary:hover {
  background: var(--page-primary-color);
  color: #ffffff;
  transform: translateY(-2px);
}

.page-da-ga__btn-large {
  padding: 15px 30px;
  font-size: 1.2em;
}

.page-da-ga__text-link {
  color: var(--page-primary-color);
  text-decoration: none;
  font-weight: 600;
}

.page-da-ga__text-link:hover {
  text-decoration: underline;
}

/* Hero Section */
.page-da-ga__hero-section {
  position: relative;
  padding-top: 10px; /* Aligned with fixed header spacing rule */
  margin-bottom: 40px;
  background-color: var(--page-background);
}

.page-da-ga__hero-image-wrapper {
  width: 100%;
  overflow: hidden;
}

.page-da-ga__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.page-da-ga__hero-content-wrapper {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
  text-align: center;
}

.page-da-ga__hero-title {
  font-weight: 800;
  color: var(--page-primary-color);
  margin-bottom: 20px;
  font-size: clamp(2.5em, 5vw, 3.5em); /* Using clamp for H1 font size */
  line-height: 1.2;
}

.page-da-ga__hero-description {
  font-size: 1.2em;
  color: var(--page-text-main);
  margin-bottom: 30px;
}

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

/* Intro Section */
.page-da-ga__intro-section {
  padding: 60px 0;
  background-color: var(--page-background);
}

.page-da-ga__image-content-wrapper {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.page-da-ga__image-content-wrapper .page-da-ga__content-image {
  flex: 1;
  min-width: 200px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-da-ga__image-content-wrapper .page-da-ga__text-block {
  flex: 1;
}

/* Gameplay Section */
.page-da-ga__gameplay-section {
  padding: 60px 0;
  background-color: var(--page-primary-color);
}

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

.page-da-ga__card {
  background-color: var(--page-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  color: var(--page-text-main);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-da-ga__card-title {
  font-size: 1.5em;
  color: var(--page-primary-color);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-da-ga__card-text {
  font-size: 1em;
  flex-grow: 1;
}

/* Features Section */
.page-da-ga__features-section {
  padding: 60px 0;
  background-color: var(--page-background);
}

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

.page-da-ga__feature-item {
  background-color: var(--page-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-da-ga__feature-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-da-ga__feature-title {
  font-size: 1.5em;
  color: var(--page-primary-color);
  margin-bottom: 10px;
  font-weight: 700;
}

.page-da-ga__feature-description {
  font-size: 1em;
  color: var(--page-text-main);
  flex-grow: 1;
}

/* Tips Section */
.page-da-ga__tips-section {
  padding: 60px 0;
  background-color: var(--page-primary-color);
}

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

.page-da-ga__tip-item {
  background-color: var(--page-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-da-ga__tip-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-da-ga__tip-title {
  font-size: 1.5em;
  color: var(--page-primary-color);
  margin-bottom: 10px;
  font-weight: 700;
}

.page-da-ga__tip-description {
  font-size: 1em;
  color: var(--page-text-main);
  flex-grow: 1;
}

/* FAQ Section */
.page-da-ga__faq-section {
  padding: 60px 0;
  background-color: var(--page-background);
}

.page-da-ga__faq-wrapper {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.page-da-ga__faq-image-container {
  flex: 1;
  min-width: 200px;
}

.page-da-ga__faq-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-da-ga__faq-items {
  flex: 1;
}

.page-da-ga__faq-item {
  background-color: var(--page-card-bg);
  border: 1px solid var(--page-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-da-ga__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--page-text-main);
  cursor: pointer;
  background-color: #f9f9f9;
  border-bottom: 1px solid var(--page-border-color);
  list-style: none; /* Remove default marker */
}

.page-da-ga__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for WebKit */
}

.page-da-ga__faq-item[open] .page-da-ga__faq-question {
  background-color: #eaeaea;
}

.page-da-ga__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--page-primary-color);
  transition: transform 0.3s ease;
}

.page-da-ga__faq-item[open] .page-da-ga__faq-toggle {
  transform: rotate(45deg);
}

.page-da-ga__faq-answer {
  padding: 15px 20px;
  font-size: 1em;
  color: var(--page-text-main);
  border-top: 1px solid var(--page-border-color);
  display: none;
}

.page-da-ga__faq-item[open] .page-da-ga__faq-answer {
  display: block;
}

/* CTA Final Section */
.page-da-ga__cta-final-section {
  padding: 80px 0;
  background-color: var(--page-primary-color);
  text-align: center;
}

.page-da-ga__cta-final-content {
  max-width: 800px;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .page-da-ga__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-da-ga__section-title {
    font-size: 2em;
    margin-bottom: 30px;
  }

  .page-da-ga__sub-title {
    font-size: 1.5em;
  }

  .page-da-ga__text-block {
    font-size: 1em;
  }

  /* HERO 主图区域 */
  .page-da-ga__hero-section {
    padding-top: 10px !important;
    margin-bottom: 30px;
  }

  .page-da-ga__hero-title {
    font-size: clamp(2em, 8vw, 2.5em) !important; /* Adjusted clamp for smaller screens */
  }

  .page-da-ga__hero-description {
    font-size: 1em;
  }

  .page-da-ga__hero-buttons {
    flex-direction: column !important; /* Multiple buttons vertical stacking */
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  /* 通用图片与容器 */
  .page-da-ga img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-da-ga__image-content-wrapper {
    flex-direction: column;
    gap: 30px;
  }

  .page-da-ga__image-content-wrapper .page-da-ga__content-image,
  .page-da-ga__faq-image-container {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-da-ga__feature-image,
  .page-da-ga__tip-image {
    height: 180px; /* Adjust height for mobile if needed, maintaining aspect ratio */
  }

  /* 按钮与按钮容器 */
  .page-da-ga__btn-primary,
  .page-da-ga__btn-secondary,
  .page-da-ga a[class*="button"],
  .page-da-ga 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 !important;
    padding-right: 15px !important;
  }

  .page-da-ga__hero-buttons,
  .page-da-ga__cta-final-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-da-ga__step-cards,
  .page-da-ga__features-grid,
  .page-da-ga__tips-grid {
    grid-template-columns: 1fr; /* Single column layout for cards */
  }

  /* FAQ区域 */
  .page-da-ga__faq-wrapper {
    flex-direction: column;
    gap: 30px;
  }

  .page-da-ga__faq-question {
    font-size: 1.1em;
    padding: 12px 15px;
  }

  .page-da-ga__faq-answer {
    padding: 12px 15px;
  }

  /* 首页不存在长文金框、游戏轮播、合作品牌六宫格、博客卡片区等模块，因此不生成对应的768px媒体查询 */
  /* 仅生成本页存在的模块的媒体查询 */
}