.page-da-ga {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default for light backgrounds */
  background: var(--background-color, #f8f8f8); /* Default light background */
}

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

.page-da-ga__section {
  padding: 60px 0;
  text-align: center;
}

.page-da-ga__hero-section {
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #C91F17, #7A0E0E);
  color: #FFF5E1; /* Text Main */
}

.page-da-ga__hero-image {
  width: 100%;
  height: auto;
  max-height: 600px;
  overflow: hidden;
  margin-bottom: 30px;
}

.page-da-ga__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-da-ga__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-da-ga__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #FFD86A; /* Gold-like for title */
  text-shadow: 0 0 10px rgba(255, 216, 106, 0.6);
}

.page-da-ga__hero-description {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #FFF5E1; /* Text Main */
}

.page-da-ga__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
}

.page-da-ga__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); /* Button color */
  color: #7A0E0E; /* Deep Red for text on gold button */
  border: none;
}

.page-da-ga__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-da-ga__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 40px;
  color: #C91F17;
  position: relative;
  padding-bottom: 15px;
}

.page-da-ga__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: #F4D34D; /* Gold */
  border-radius: 2px;
}

.page-da-ga__section-title--light {
  color: #FFD86A;
}

.page-da-ga__section-title--light::after {
  background: #FFF5E1;
}

.page-da-ga__paragraph {
  font-size: 1.05rem;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #333333;
}

.page-da-ga__paragraph--light {
  color: #FFF5E1;
}

.page-da-ga__highlight {
  color: #E6B800;
  font-weight: 700;
}

.page-da-ga__image-content {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-da-ga__image-content--center {
  margin-left: auto;
  margin-right: auto;
}

.page-da-ga__dark-section {
  background: #B71C1C; /* Background color */
  color: #FFF5E1; /* Text Main */
}

.page-da-ga__grid {
  display: grid;
  gap: 30px;
  margin-top: 40px;
}

.page-da-ga__grid--3-cols {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-da-ga__grid--2-cols {
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
}

.page-da-ga__card {
  background: #ffffff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  text-align: left;
  color: #333333;
}

.page-da-ga__card--dark {
  background: #D32F2F; /* Card BG */
  color: #FFF5E1; /* Text Main */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-da-ga__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #C91F17;
}

.page-da-ga__card--dark .page-da-ga__card-title {
  color: #FFD86A;
}

.page-da-ga__card-text {
  font-size: 1rem;
  line-height: 1.7;
}

.page-da-ga__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-da-ga__step-item {
  background: #ffffff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
}

.page-da-ga__step-number {
  width: 50px;
  height: 50px;
  background: #C91F17;
  color: #FFF5E1;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-da-ga__step-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #C91F17;
}

.page-da-ga__step-text {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-da-ga__step-text a {
  color: #E53935;
  text-decoration: underline;
}

.page-da-ga__step-text a:hover {
  color: #C91F17;
}

.page-da-ga__btn-secondary {
  background: #ffffff;
  color: #C91F17;
  border: 2px solid #C91F17;
}

.page-da-ga__btn-secondary:hover {
  background: #C91F17;
  color: #ffffff;
}

.page-da-ga__btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
  border-radius: 20px;
}

.page-da-ga__image-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-da-ga__text-block {
  text-align: left;
  color: #333333;
}

.page-da-ga__text-block--light {
  color: #FFF5E1;
}

.page-da-ga__sub-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 25px;
  margin-bottom: 10px;
  color: #C91F17;
}

.page-da-ga__text-block--light .page-da-ga__sub-title {
  color: #FFD86A;
}

.page-da-ga__advantages-list {
  list-style: none;
  padding: 0;
  text-align: left;
  max-width: 800px;
  margin: 40px auto;
}

.page-da-ga__list-item {
  background: #ffffff;
  padding: 15px 20px;
  margin-bottom: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  font-size: 1.05rem;
  color: #333333;
  display: flex;
  align-items: center;
}

.page-da-ga__list-item strong {
  color: #C91F17;
}

.page-da-ga__list-item::before {
  content: '✔';
  color: #E6B800;
  font-weight: bold;
  margin-right: 10px;
  font-size: 1.2rem;
}

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

.page-da-ga__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

details.page-da-ga__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
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;
}
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: #f5f5f5;
}
.page-da-ga__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}
.page-da-ga__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #C91F17;
  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: #f9f9f9;
  border-radius: 0 0 5px 5px;
  text-align: left;
  color: #333333;
}

.page-da-ga__faq-answer p {
  margin: 0;
}

.page-da-ga__faq-answer a {
  color: #E53935;
  text-decoration: underline;
}

.page-da-ga__faq-answer a:hover {
  color: #C91F17;
}

.page-da-ga__conclusion-section {
  padding-bottom: 80px;
}

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

/* HERO 主图区域 - 移动端 */
@media (max-width: 1024px) {
  .page-da-ga__hero-image img {
    max-height: 500px;
  }
  .page-da-ga__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-da-ga__hero-description {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
  }
  .page-da-ga__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  }
  .page-da-ga__grid--3-cols {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-da-ga__grid--2-cols {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
}

@media (max-width: 849px) {
  .page-da-ga__hero-image img {
    object-fit: contain !important; /* Prevent cropping on smaller screens */
    aspect-ratio: unset !important; /* Allow natural aspect ratio */
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  .page-da-ga__container {
    padding: 15px;
  }
  .page-da-ga__section {
    padding: 40px 0;
  }
  .page-da-ga__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    padding-bottom: 40px;
  }
  .page-da-ga__hero-image {
    margin-bottom: 20px;
  }
  .page-da-ga__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-da-ga__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-da-ga__hero-description {
    font-size: clamp(0.9rem, 4vw, 1rem);
    margin-bottom: 25px;
  }
  .page-da-ga__cta-button {
    padding: 12px 25px;
    font-size: 1rem;
  }
  .page-da-ga__section-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
    margin-bottom: 30px;
  }
  .page-da-ga__section-title::after {
    width: 60px;
  }
  .page-da-ga__paragraph {
    font-size: 1rem;
    margin-bottom: 15px;
  }

  /* General image and container responsiveness */
  .page-da-ga img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-da-ga__section,
  .page-da-ga__card,
  .page-da-ga__container,
  .page-da-ga__text-block,
  .page-da-ga__image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-da-ga__image-content {
    margin: 20px auto;
  }

  .page-da-ga__grid--3-cols {
    grid-template-columns: 1fr; /* Stack cards on mobile */
  }
  .page-da-ga__grid--2-cols {
    grid-template-columns: 1fr; /* Stack on mobile */
  }
  .page-da-ga__card {
    padding: 25px;
  }
  .page-da-ga__card-title {
    font-size: 1.3rem;
  }
  .page-da-ga__steps-grid {
    grid-template-columns: 1fr; /* Stack steps on mobile */
  }
  .page-da-ga__step-item {
    padding: 25px;
  }
  .page-da-ga__step-number {
    width: 45px;
    height: 45px;
    font-size: 1.6rem;
  }
  .page-da-ga__step-title {
    font-size: 1.2rem;
  }
  .page-da-ga__list-item {
    font-size: 1rem;
    padding: 12px 15px;
  }
  .page-da-ga__list-item::before {
    font-size: 1rem;
  }

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