.page-da-ga {
  font-family: 'Arial', sans-serif;
  color: #FFF6D6; /* Text Main */
  background: #0A0A0A; /* Background */
  line-height: 1.6;
}

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

.page-da-ga__section {
  padding: 60px 0;
  border-bottom: 1px solid #3A2A12; /* Border */
}

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

.page-da-ga__dark-bg {
  background: #0A0A0A; /* Background */
}

.page-da-ga__dark-section {
  background: #111111; /* Card BG, for distinct sections */
}

/* Hero Section */
.page-da-ga__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, assuming body has header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 600px; /* Ensure hero section has a minimum height */
}

.page-da-ga__hero-image {
  width: 100%;
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-da-ga__hero-content {
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -80px; /* Overlap slightly for visual effect, but not covering the image */
  position: relative;
  z-index: 1;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  background: #111111; /* Card BG */
}

.page-da-ga__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive H1 */
  font-weight: 700;
  margin-bottom: 20px;
  color: #FFD36B; /* Glow */
  line-height: 1.2;
}

.page-da-ga__hero-description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: #FFF6D6; /* Text Main */
}

/* Section Titles */
.page-da-ga__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #FFD36B; /* Glow */
  line-height: 1.3;
}

.page-da-ga__sub-title {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 15px;
  color: #F2C14E; /* Primary Color */
  line-height: 1.4;
}

/* Text Blocks */
.page-da-ga__text-block {
  font-size: 1rem;
  margin-bottom: 20px;
  color: #FFF6D6; /* Text Main */
}

.page-da-ga__text-block--center {
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.page-da-ga__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

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

.page-da-ga__btn-primary,
.page-da-ga__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
  text-align: center;
}

.page-da-ga__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); /* Button Color */
  color: #111111; /* Dark text for bright button */
  border: none;
}

.page-da-ga__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-da-ga__btn-secondary {
  background: transparent;
  color: #FFD36B; /* Glow */
  border: 2px solid #FFD36B; /* Glow */
}

.page-da-ga__btn-secondary:hover {
  background: #FFD36B; /* Glow */
  color: #111111; /* Dark text for bright button */
}

/* Content Grid for images and text */
.page-da-ga__content-grid {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-da-ga__content-grid--reverse {
  flex-direction: row-reverse;
}

.page-da-ga__image-wrapper {
  flex: 1;
  min-width: 300px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-da-ga__image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

.page-da-ga__text-content {
  flex: 1;
  min-width: 300px;
}

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

.page-da-ga__list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  color: #FFF6D6; /* Text Main */
}

.page-da-ga__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #F2C14E; /* Primary Color */
  font-weight: bold;
}

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

.page-da-ga__tip-card {
  background: #111111; /* Card BG */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #3A2A12; /* Border */
  transition: transform 0.3s ease;
}

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

.page-da-ga__card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2C14E; /* Primary Color */
}

.page-da-ga__card-text {
  font-size: 0.95rem;
  color: #FFF6D6; /* Text Main */
}

/* Security Features */
.page-da-ga__security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-da-ga__feature-item {
  background: #111111; /* Card BG */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid #3A2A12; /* Border */
}

/* FAQ Section */
details.page-da-ga__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #3A2A12; /* Border */
  overflow: hidden;
  background: #111111; /* Card BG */
  color: #FFF6D6; /* Text Main */
}
details.page-da-ga__faq-item summary.page-da-ga__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #F2C14E; /* Primary Color for question */
  font-weight: 600;
}
details.page-da-ga__faq-item summary.page-da-ga__faq-question::-webkit-details-marker {
  display: none;
}
details.page-da-ga__faq-item summary.page-da-ga__faq-question:hover {
  background: rgba(242, 193, 78, 0.1); /* Lighter hover for dark theme */
}
.page-da-ga__faq-qtext {
  flex: 1;
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
}
.page-da-ga__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFD36B; /* Glow */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-da-ga__faq-item .page-da-ga__faq-answer {
  padding: 0 20px 20px;
  background: #0A0A0A; /* Background for answer */
  border-radius: 0 0 5px 5px;
  color: #FFF6D6; /* Text Main */
}
.page-da-ga__faq-answer p {
  margin-top: 10px;
  margin-bottom: 0;
}

/* General image responsive styles */
.page-da-ga img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-da-ga__hero-content {
    margin-top: -60px;
    padding: 30px 15px;
  }
  .page-da-ga__section {
    padding: 40px 0;
  }
  .page-da-ga__container {
    padding: 0 15px;
  }
  .page-da-ga__content-grid {
    flex-direction: column;
    gap: 30px;
  }
  .page-da-ga__content-grid--reverse {
    flex-direction: column; /* Revert to default column for smaller screens */
  }
  .page-da-ga__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
  .page-da-ga__section-title {
    font-size: clamp(1.6rem, 4vw, 2.5rem);
  }
  .page-da-ga__sub-title {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
  }
  .page-da-ga__hero-description {
    font-size: 1rem;
  }
}

@media (max-width: 849px) {
  .page-da-ga__hero-image img {
    object-fit: contain !important; /* Mobile: contain, no cropping */
    aspect-ratio: unset !important; /* Remove aspect ratio if set */
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-da-ga__hero-section {
    padding-top: 10px; /* Small top padding, not var(--header-offset) */
    min-height: unset;
  }
  .page-da-ga__hero-image {
    max-height: unset;
  }
  .page-da-ga__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-da-ga__hero-content {
    margin-top: -40px;
    padding: 25px 15px;
  }
  .page-da-ga__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem); /* Smaller H1 for mobile */
    margin-bottom: 15px;
  }
  .page-da-ga__hero-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }

  /* 通用图片与容器 */
  .page-da-ga img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-da-ga__container,
  .page-da-ga__section,
  .page-da-ga__card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-da-ga__image-wrapper {
    min-width: unset;
  }
  .page-da-ga__text-content {
    min-width: unset;
  }

  /* 按钮与按钮容器 */
  .page-da-ga__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-da-ga__btn-primary,
  .page-da-ga__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-da-ga__section-title {
    font-size: clamp(1.5rem, 5.5vw, 2.2rem);
    margin-bottom: 30px;
  }
  .page-da-ga__sub-title {
    font-size: clamp(1.1rem, 4vw, 1.6rem);
    text-align: center;
  }
  .page-da-ga__text-block {
    font-size: 0.9rem;
    text-align: left;
  }
  .page-da-ga__text-block--center {
    text-align: center;
  }

  /* 产品展示图区域 (General content grids) */
  .page-da-ga__tips-grid,
  .page-da-ga__security-features {
    grid-template-columns: 1fr; /* Single column for mobile */
    gap: 20px;
  }

  /* FAQ */
  details.page-da-ga__faq-item summary.page-da-ga__faq-question { padding: 15px; }
  .page-da-ga__faq-qtext { font-size: 15px; }
  .page-da-ga__faq-answer { padding: 0 15px 15px; }
}