.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #FFF1E8; /* Text Main */
  background-color: #140C0C; /* Background */
  padding-top: 10px; /* Small padding-top to avoid double padding with body */
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-about__section {
  padding: 60px 0;
  margin-bottom: 20px;
}

.page-about__section-title {
  font-size: 38px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #F3C54D; /* Gold */
  line-height: 1.2;
}

.page-about__section-description {
  font-size: 18px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #FFF1E8;
}

.page-about__sub-title {
  font-size: 28px;
  font-weight: 600;
  color: #F3C54D; /* Gold */
  margin-bottom: 20px;
}

.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 40px;
  overflow: hidden;
}

.page-about__hero-image-container {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  max-height: 500px;
}

.page-about__hero-content {
  text-align: center;
  padding: 40px 15px;
  max-width: 900px;
  margin-top: -100px; /* Adjust to slightly overlap the image for visual flow */
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, rgba(20, 12, 12, 0.8) 0%, rgba(20, 12, 12, 1) 50%);
  border-radius: 10px;
}

.page-about__main-title {
  font-size: 44px;
  font-weight: 800;
  color: #F3C54D; /* Gold */
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(243, 197, 77, 0.5);
  font-size: clamp(28px, 4vw, 44px); /* H1字号限制 */
}

.page-about__subtitle {
  font-size: 20px;
  color: #FFF1E8;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  color: #140C0C;
  font-size: 20px;
  font-weight: bold;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 5px 15px rgba(255, 176, 74, 0.4);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 176, 74, 0.6);
}

.page-about__introduction-section {
  background-color: #140C0C;
}

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

.page-about__card {
  background-color: #2A1212; /* Card BG */
  border: 1px solid #6A1E1E; /* Border */
  border-radius: 10px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  color: #FFF1E8;
}

.page-about__card:hover {
  transform: translateY(-5px);
}

.page-about__card-title {
  font-size: 24px;
  font-weight: 700;
  color: #F3C54D; /* Gold */
  margin-bottom: 15px;
}

.page-about__value-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-about__value-list li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
}

.page-about__value-list li::before {
  content: '✔';
  color: #FFB04A; /* Button light color */
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-about__why-us-section {
  background-color: #0d0d0d; /* Slightly darker for contrast */
}

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

.page-about__benefit-item {
  background-color: #2A1212; /* Card BG */
  border: 1px solid #6A1E1E; /* Border */
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  color: #FFF1E8;
}

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

.page-about__benefit-title {
  font-size: 22px;
  font-weight: 700;
  color: #F3C54D; /* Gold */
  margin-bottom: 10px;
}

.page-about__cta-container {
  text-align: center;
  margin-top: 50px;
}

.page-about__cta-button--secondary {
  background: #C61F1F;
  color: #FFF1E8;
  box-shadow: 0 5px 15px rgba(198, 31, 31, 0.4);
}

.page-about__cta-button--secondary:hover {
  background: #E53030;
  box-shadow: 0 8px 20px rgba(229, 48, 48, 0.6);
}

.page-about__team-tech-section {
  background-color: #140C0C;
}

.page-about__content-row {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-bottom: 60px;
}

.page-about__content-row--reverse {
  flex-direction: row-reverse;
}

.page-about__text-block {
  flex: 1;
  color: #FFF1E8;
}

.page-about__image-block {
  flex: 1;
  text-align: center;
}

.page-about__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
  display: block;
}

.page-about__csr-section {
  background-color: #0d0d0d; /* Slightly darker for contrast */
}

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

.page-about__card--responsible-gaming, .page-about__card--community-contribution {
  text-align: left;
}

.page-about__card-link {
  display: inline-block;
  margin-top: 15px;
  color: #FFB04A; /* Gold-like color for links */
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-about__card-link:hover {
  color: #F3C54D;
  text-decoration: underline;
}

.page-about__faq-section {
  background-color: #140C0C;
}

.page-about__faq-list {
  margin-top: 40px;
}

details.page-about__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #6A1E1E; /* Border */
  overflow: hidden;
  background: #2A1212; /* Card BG */
}

details.page-about__faq-item summary.page-about__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: #F3C54D; /* Gold */
  font-weight: bold;
}

details.page-about__faq-item summary.page-about__faq-question::-webkit-details-marker {
  display: none;
}

details.page-about__faq-item summary.page-about__faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.page-about__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F3C54D;
}

.page-about__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFB04A; /* Button light color */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-about__faq-item .page-about__faq-answer {
  padding: 0 20px 20px;
  background: #140C0C; /* Background */
  border-radius: 0 0 5px 5px;
  color: #FFF1E8;
}

.page-about__btn-primary {
  display: inline-block;
  padding: 12px 25px;
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  color: #140C0C;
  font-size: 16px;
  font-weight: bold;
  border-radius: 6px;
  text-decoration: none;
  transition: transform 0.3s ease;
  margin-top: 15px;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary:hover {
  transform: translateY(-2px);
}

.page-about__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  background: #C61F1F;
  color: #FFF1E8;
  font-size: 16px;
  font-weight: bold;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color 0.3s ease;
  margin-top: 15px;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-secondary:hover {
  background: #E53030;
}

.page-about__contact-section {
  background-color: #0d0d0d;
}

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

.page-about__card--contact, .page-about__card--support-channels {
  text-align: left;
}

.page-about__contact-list {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

.page-about__contact-list li {
  margin-bottom: 8px;
  color: #FFF1E8;
}

/* Responsive Styles */
@media (max-width: 1023px) {
  .page-about__home-hero { /* This is a placeholder for potential homepage styles, not directly used on about.html */
    display: block !important;
    grid-template-columns: none !important;
    height: auto !important;
    max-height: none !important;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  .page-about__hero-brand,
  .page-about__hero-jackpot {
    display: none !important;
  }
  .page-about__game-trial {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    max-height: none !important;
    overflow: hidden !important;
    padding: 0 0 12px !important;
    box-sizing: border-box;
  }
  .page-about__game-trial-shell {
    height: auto !important;
    max-height: none !important;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
  }
  .page-about__game-trial-topbar,
  .page-about__game-trial-bottombar {
    display: none !important;
  }
  .page-about__game-trial-viewport {
    position: relative;
    aspect-ratio: 1024 / 768;
    min-height: 240px;
    max-height: none !important;
    flex: none !important;
    overflow: hidden;
    box-sizing: border-box;
    width: 100%;
  }
  .page-about__game-trial-frame {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: none !important;
    max-width: 100%;
    border: none;
    z-index: 1;
    overflow: hidden;
  }
  .page-about__game-trial-overlay {
    z-index: 5 !important;
    pointer-events: auto !important;
  }
  .page-about__game-trial-start {
    z-index: 6 !important;
    pointer-events: auto !important;
    touch-action: manipulation;
  }
}
@media (min-width: 1024px) {
  .page-about__home-hero { /* This is a placeholder for potential homepage styles, not directly used on about.html */
    display: grid;
    grid-template-columns: 26% 48% 26%;
    gap: 16px;
    align-items: stretch;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 10px 16px 24px;
    box-sizing: border-box;
  }
  .page-about__hero-brand,
  .page-about__hero-jackpot,
  .page-about__game-trial {
    height: 300px;
    max-height: 300px;
    overflow: hidden;
    box-sizing: border-box;
  }
  .page-about__game-trial {
    max-width: none !important;
    width: 100%;
    margin: 0;
    padding: 0;
  }
  .page-about__game-trial-shell {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 300px;
    box-sizing: border-box;
  }
  .page-about__game-trial-viewport {
    flex: 1;
    min-height: 0;
    position: relative;
    width: 100%;
  }
  .page-about__game-trial-frame {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 0;
    border: none;
  }
  .page-about__hero-jackpot-claim {
    background: #c62828 !important;
    color: #fff !important;
  }
}

@media (max-width: 768px) {
  .page-about {
    padding-top: 8px; /* Mobile small padding-top */
  }

  .page-about__section {
    padding: 30px 0;
  }

  .page-about__section-title {
    font-size: 30px;
    margin-bottom: 15px;
  }

  .page-about__section-description {
    font-size: 16px;
    margin-bottom: 25px;
  }

  .page-about__hero-content {
    padding: 20px 15px;
    margin-top: -50px;
  }

  .page-about__main-title {
    font-size: 32px;
  }

  .page-about__subtitle {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .page-about__cta-button,
  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about a[class*="button"],
  .page-about 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;
    padding-right: 15px;
  }

  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__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;
    display: flex;
    flex-direction: column; /* Ensure vertical stacking for buttons */
  }

  .page-about__content-grid,
  .page-about__benefits-grid,
  .page-about__csr-grid,
  .page-about__contact-info-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about__content-row,
  .page-about__content-row--reverse {
    flex-direction: column;
    gap: 30px;
  }

  .page-about__sub-title {
    font-size: 24px;
    text-align: center;
  }

  .page-about__image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }

  .page-about__section,
  .page-about__card,
  .page-about__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  details.page-about__faq-item summary.page-about__faq-question {
    padding: 15px;
  }
  .page-about__faq-qtext {
    font-size: 16px;
  }
  details.page-about__faq-item .page-about__faq-answer {
    padding: 0 15px 15px;
  }
}

/* Placeholder for homepage specific styles, not used on about.html */
.page-about__promo-strip-track { /* Placeholder for homepage */
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  overflow-x: hidden;
}
.page-about__hot-games-grid { /* Placeholder for homepage */
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-about__game-trial-overlay{z-index:5;pointer-events:auto;}.page-about__game-trial-overlay.is-hidden{display:none!important;pointer-events:none!important;}.page-about__game-trial-start{z-index:6;pointer-events:auto;touch-action:manipulation;}.page-about__game-trial-shell{border:1px solid rgba(212,175,55,.45);border-radius:10px;overflow:hidden;}.page-about__reward-modal{position:fixed;inset:0;z-index:10000;}
.page-about__reward-modal-close { /* Style for reward modal close button */
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  font-size: 28px;
  color: #FFF1E8;
  cursor: pointer;
  z-index: 10001;
}
.page-about__reward-modal-close:hover {
  color: #FFB04A;
}

/* Smart Contrast & Brand Colors */
.page-about {
  color: #FFF1E8; /* Text Main */
  background-color: #140C0C; /* Background */
}

.page-about__card {
  background-color: #2A1212; /* Card BG */
  color: #FFF1E8; /* Text Main */
  border: 1px solid #6A1E1E; /* Border */
}

.page-about__dark-section {
  background: #0d0d0d; /* Slightly darker than main background for contrast */
  color: #FFF1E8; /* Text Main */
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  color: #140C0C; /* Dark text for bright button */
  border: none;
}

.page-about__btn-secondary {
  background: #C61F1F;
  color: #FFF1E8; /* Light text for deep red button */
  border: 2px solid #C61F1F;
}

.page-about__faq-qtext {
  color: #F3C54D; /* Gold for question text */
}
.page-about__faq-toggle {
  color: #FFB04A; /* Gold-like for toggle icon */
}
.page-about__card-link {
  color: #FFB04A; /* Gold-like for links */
}