.page-da-ga {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default dark text for light body background */
  background-color: #ffffff; /* Explicitly set for content area */
}

.page-da-ga__hero-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding-bottom: 30px; /* Small padding at bottom for content separation */
  padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
}

.page-da-ga__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit height for hero image */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-da-ga__hero-content {
  text-align: center;
  padding: 30px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.page-da-ga__main-title {
  font-size: clamp(2.2rem, 4vw, 3rem); /* H1 font size with clamp */
  font-weight: bold;
  color: #26A9E0; /* Brand color for H1 */
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-da-ga__subtitle {
  font-size: 1.1rem;
  color: #555555;
  margin-bottom: 30px;
}

.page-da-ga__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.page-da-ga__cta-buttons--centered {
  margin-top: 30px;
  margin-bottom: 30px;
}

.page-da-ga__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  text-align: center;
}

.page-da-ga__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-da-ga__btn-primary:hover {
  background-color: #1e87c0;
  border-color: #1e87c0;
}

.page-da-ga__btn-secondary {
  background-color: #ffffff;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-da-ga__btn-secondary:hover {
  background-color: #e0f2f7;
  color: #1e87c0;
}

.page-da-ga__section {
  padding: 40px 0;
  border-bottom: 1px solid #eeeeee;
}

.page-da-ga__section:last-of-type {
  border-bottom: none;
}

.page-da-ga__article-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-da-ga__section-title {
  font-size: 2rem;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-da-ga__text-block {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: #333333;
}

.page-da-ga__image-figure {
  margin: 30px auto;
  max-width: 680px; /* Match blog image size */
  text-align: center;
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  padding: 10px;
  border-radius: 8px;
}

.page-da-ga__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 5px;
  margin: 0 auto 10px auto;
  min-width: 200px; /* Enforce min size */
  min-height: 200px; /* Enforce min size */
}

.page-da-ga__image-caption {
  font-size: 0.9rem;
  color: #777777;
  padding: 5px 0;
}

.page-da-ga__list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-da-ga__list-item {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
  color: #333333;
}

.page-da-ga__list-item::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: #26A9E0;
  font-weight: bold;
}

.page-da-ga__numbered-list {
  list-style: decimal;
  padding-left: 25px;
  margin-bottom: 20px;
  color: #333333;
}

.page-da-ga__numbered-list .page-da-ga__list-item {
  padding-left: 0;
  margin-bottom: 15px;
}

.page-da-ga__numbered-list .page-da-ga__list-item::before {
  content: none;
}

.page-da-ga__advantages-list .page-da-ga__list-item::before {
  content: '⭐';
  font-size: 1.1em;
  left: -5px;
}

.page-da-ga__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-bottom: 30px;
}

.page-da-ga__promo-card {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
  color: #333333;
}

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

.page-da-ga__promo-title {
  font-size: 1.3rem;
  color: #26A9E0;
  margin-bottom: 10px;
  font-weight: bold;
}

.page-da-ga__promo-description {
  font-size: 0.95rem;
  color: #555555;
}

.page-da-ga__faq-list {
  margin-top: 30px;
}

.page-da-ga__faq-item {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #333333;
}

.page-da-ga__faq-question {
  display: block; /* Ensures the whole area is clickable */
  padding: 15px 20px;
  background-color: #f5f5f5;
  color: #26A9E0;
  font-weight: bold;
  cursor: pointer;
  margin: 0;
  position: relative;
  font-size: 1.1rem;
  transition: background-color 0.3s ease;
}

.page-da-ga__faq-question:hover {
  background-color: #eaf6fa;
}

.page-da-ga__faq-answer {
  padding: 15px 20px;
  font-size: 1rem;
  color: #555555;
}
.page-da-ga__faq-answer p {
  margin-bottom: 0;
}

.page-da-ga__copyright {
    text-align: center;
    padding: 20px;
    background-color: #f8f8f8;
    color: #777777;
    font-size: 0.9rem;
    margin-top: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-da-ga__article-wrap {
    padding: 0 15px;
  }
  .page-da-ga__main-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }
  .page-da-ga__section-title {
    font-size: 1.8rem;
  }
  .page-da-ga__hero-image-wrapper {
    max-height: 500px;
  }
}

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-da-ga__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    padding-bottom: 20px;
  }
  .page-da-ga__hero-content {
    padding: 20px 15px;
  }
  .page-da-ga__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 10px;
  }
  .page-da-ga__subtitle {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  .page-da-ga__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }
  .page-da-ga__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px;
    font-size: 1rem;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-da-ga__cta-buttons--centered {
    padding: 0 15px;
    margin-top: 20px;
    margin-bottom: 20px;
  }

  /* 2. 单栏长文容器 */
  .page-da-ga__section {
    padding: 30px 0;
  }
  .page-da-ga__article-wrap {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-da-ga__section-title {
    font-size: 1.6rem;
    margin-bottom: 20px;
  }
  .page-da-ga__text-block,
  .page-da-ga__list-item,
  .page-da-ga__promo-description,
  .page-da-ga__faq-answer p {
    font-size: 0.95rem;
  }

  /* 3. 通用图片与 figure */
  .page-da-ga img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  .page-da-ga__image-figure {
    padding: 8px;
    margin: 20px auto;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }
  .page-da-ga__image-caption {
    font-size: 0.85rem;
  }

  /* 4. 按钮与按钮容器 */
  .page-da-ga__cta-buttons,
  .page-da-ga__button-group,
  .page-da-ga__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-da-ga__cta-buttons {
    flex-direction: column;
  }

  /* 5. 注册教程与 FAQ 区块 */
  .page-da-ga__promo-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 0 15px;
  }
  .page-da-ga__promo-card {
    padding: 20px;
  }
  .page-da-ga__promo-title {
    font-size: 1.2rem;
  }
  .page-da-ga__faq-item {
    margin-bottom: 10px;
  }
  .page-da-ga__faq-question {
    font-size: 1rem;
    padding: 12px 15px;
  }
  .page-da-ga__faq-answer {
    padding: 12px 15px;
  }
  .page-da-ga__copyright {
    padding: 15px;
    margin-top: 30px;
  }
}