.page-da-ga {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light body background */
  background-color: #FFFFFF; /* Default body background */
}

.page-da-ga__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-da-ga__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles header offset */
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-da-ga__hero-image-wrapper {
  width: 100%;
  max-height: 500px;
  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: 40px 20px;
  max-width: 900px;
  background: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-top: -80px; /* Overlap with image slightly for visual effect */
  position: relative;
  z-index: 1;
  border-radius: 8px;
}

.page-da-ga__hero-title {
  font-size: clamp(2em, 4vw, 2.8em);
  color: #017439;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-da-ga__hero-description {
  font-size: 1.1em;
  color: #555555;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-da-ga__btn {
  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;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-da-ga__btn--primary {
  background-color: #017439;
  color: #FFFFFF;
  border: 2px solid #017439;
}

.page-da-ga__btn--primary:hover {
  background-color: #005f2e;
  border-color: #005f2e;
}

.page-da-ga__btn--secondary {
  background-color: #FFFFFF;
  color: #017439;
  border: 2px solid #017439;
}

.page-da-ga__btn--secondary:hover {
  background-color: #f0f0f0;
  color: #005f2e;
  border-color: #005f2e;
}

.page-da-ga__btn--yellow-font {
  background-color: #C30808; /* Register/Login button background */
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #C30808;
}

.page-da-ga__btn--yellow-font:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-da-ga__section-title {
  font-size: 2.2em;
  color: #017439;
  text-align: center;
  margin-bottom: 30px;
  font-weight: 700;
  line-height: 1.3;
}

.page-da-ga__content-section {
  padding: 60px 0;
  margin-bottom: 20px;
}

.page-da-ga__text-block {
  font-size: 1.05em;
  margin-bottom: 20px;
  text-align: justify;
}

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

.page-da-ga__list {
  list-style: none;
  padding: 0;
  margin: 0 0 30px 0;
}

.page-da-ga__list-item {
  background-color: #f9f9f9;
  border-left: 5px solid #017439;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 5px;
}

.page-da-ga__list-title {
  font-size: 1.4em;
  color: #017439;
  margin-top: 0;
  margin-bottom: 10px;
}

.page-da-ga__list-description {
  font-size: 1em;
  color: #555555;
}

.page-da-ga__figure {
  margin: 40px auto;
  text-align: center;
  max-width: 680px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
}

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

.page-da-ga__figcaption {
  font-size: 0.9em;
  color: #777777;
  padding: 10px;
  background-color: #f0f0f0;
}

.page-da-ga__dark-section {
  background-color: #017439;
  color: #ffffff;
}

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

.page-da-ga__dark-section .page-da-ga__text-block {
  color: #f0f0f0;
}

.page-da-ga__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-da-ga__guide-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.page-da-ga__guide-title {
  font-size: 1.5em;
  color: #017439;
  margin-bottom: 15px;
}

.page-da-ga__guide-description {
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-da-ga__list--strategy .page-da-ga__list-item {
  background-color: #ffffff;
  border-left-color: #C30808;
}

.page-da-ga__promo-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-da-ga__promo-item {
  background-color: #f9f9f9;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}

.page-da-ga__promo-title {
  font-size: 1.3em;
  color: #017439;
  margin-top: 0;
  margin-bottom: 10px;
}

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

.page-da-ga__promo-cta {
  text-align: center;
  margin-top: 40px;
}

.page-da-ga__advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-da-ga__advantage-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-da-ga__advantage-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-da-ga__advantage-title {
  font-size: 1.4em;
  color: #017439;
  margin-bottom: 10px;
}

.page-da-ga__advantage-description {
  color: #555555;
  font-size: 0.95em;
}

.page-da-ga__section--commitment .page-da-ga__list-item {
  background-color: #ffffff;
  border-left-color: #017439;
}

.page-da-ga__conclusion-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-da-ga__hero-title {
    font-size: clamp(1.8em, 4.5vw, 2.5em);
  }
  .page-da-ga__hero-description {
    font-size: 1em;
  }
  .page-da-ga__section-title {
    font-size: 1.8em;
  }
  .page-da-ga__guide-steps {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-da-ga__promo-list,
  .page-da-ga__advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-da-ga__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    margin-bottom: 20px;
  }
  .page-da-ga__hero-content {
    padding: 25px 15px;
    margin-top: -50px;
    border-radius: 0 0 8px 8px;
    width: calc(100% - 30px); /* Adjust for padding on small screens */
    box-sizing: border-box;
  }
  .page-da-ga__hero-title {
    font-size: clamp(1.6em, 7vw, 2.2em);
    margin-bottom: 10px;
  }
  .page-da-ga__hero-description {
    font-size: 0.95em;
    margin-bottom: 20px;
  }
  .page-da-ga__hero-cta {
    flex-direction: column;
    gap: 10px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    box-sizing: border-box;
  }

  /* 2. 单栏长文容器 */
  .page-da-ga__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-da-ga__content-section {
    padding: 40px 0;
  }
  .page-da-ga__section-title {
    font-size: 1.6em;
    margin-bottom: 20px;
  }
  .page-da-ga__text-block {
    font-size: 1em;
  }
  .page-da-ga__list-item {
    padding: 15px;
  }
  .page-da-ga__list-title {
    font-size: 1.2em;
  }
  .page-da-ga__list-description {
    font-size: 0.95em;
  }
  .page-da-ga__guide-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-da-ga__guide-item {
    padding: 20px;
  }
  .page-da-ga__promo-list,
  .page-da-ga__advantages-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-da-ga__promo-item,
  .page-da-ga__advantage-item {
    padding: 20px;
  }
  .page-da-ga__promo-title,
  .page-da-ga__advantage-title {
    font-size: 1.2em;
  }

  /* 3. 通用图片与 figure */
  .page-da-ga img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  .page-da-ga__figure {
    margin: 20px auto;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }
  .page-da-ga__advantage-icon {
    width: 80px;
    height: 80px;
  }

  /* 4. 按钮与按钮容器 */
  .page-da-ga__btn,
  .page-da-ga__btn--primary,
  .page-da-ga__btn--secondary,
  .page-da-ga__btn--yellow-font {
    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-da-ga__hero-cta,
  .page-da-ga__conclusion-cta {
    flex-direction: column !important;
    gap: 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 5. 注册教程与 FAQ 区块 (Guide Steps in this case) */
  /* The .page-da-ga__guide-steps and .page-da-ga__guide-item already handle responsiveness well */
  .page-da-ga__guide-title {
    font-size: 1.3em;
  }
  .page-da-ga__guide-description {
    font-size: 0.95em;
  }
}