/* style/about.css */
:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-color: #EA7C07;
  --text-dark: #333333;
  --text-light: #ffffff;
  --bg-light: #ffffff;
  --bg-dark: #26A9E0;
}

/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-about {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
}

.page-about__dark-bg {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.page-about__light-bg {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-about__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: inherit; /* Inherit color from parent section (dark/light bg) */
}

.page-about__description-text {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 30px auto;
  color: inherit;
}

/* Hero Section */
.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  text-align: center;
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-height: 675px;
  overflow: hidden;
  margin-bottom: 30px;
}

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

.page-about__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-top: 30px;
}

.page-about__main-title {
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-light);
  margin-bottom: 20px;
}

.page-about__lead-text {
  font-size: 1.25em;
  color: var(--text-light);
  margin-bottom: 30px;
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-about__btn-primary {
  background-color: var(--login-color);
  color: var(--text-light);
  border: 2px solid transparent;
}

.page-about__btn-primary:hover {
  background-color: darken(var(--login-color), 10%);
}

.page-about__btn-secondary {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-about__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

/* Mission Vision Section */
.page-about__mission-vision {
  padding: 80px 0;
}

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

.page-about__card {
  background-color: var(--secondary-color);
  color: var(--text-dark);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid #e0e0e0;
}

.page-about__card-title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-about__card-text {
  font-size: 1em;
  line-height: 1.7;
}

/* Why Choose Us Section */
.page-about__why-choose-us {
  padding: 80px 0;
}

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

.page-about__feature-item {
  text-align: center;
  padding: 30px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.page-about__feature-icon {
  width: 100%;
  height: auto;
  max-width: 200px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-about__feature-title {
  font-size: 1.4em;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-light);
}

.page-about__feature-text {
  font-size: 0.95em;
  color: rgba(255, 255, 255, 0.8);
}

/* Responsible Gambling Section */
.page-about__responsible-gambling {
  padding: 80px 0;
}

.page-about__responsibility-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
}

.page-about__responsibility-list li {
  background-color: var(--secondary-color);
  color: var(--text-dark);
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  border-left: 5px solid var(--primary-color);
}

.page-about__list-title {
  font-size: 1.3em;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary-color);
}

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

/* Future Outlook Section */
.page-about__future-outlook {
  padding: 80px 0;
}

/* FAQ Section */
.page-about__faq-section {
  padding: 80px 0;
}

.page-about__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-about__faq-item {
  background-color: var(--secondary-color);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-about__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: 600;
  cursor: pointer;
  color: var(--primary-color);
  outline: none;
  list-style: none; /* Remove default marker */
}

.page-about__faq-item summary::-webkit-details-marker {
  display: none; /* Remove default marker for Webkit browsers */
}

.page-about__faq-qtext {
  flex-grow: 1;
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
}

.page-about__faq-item[open] .page-about__faq-toggle {
  content: '−';
}

.page-about__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--text-dark);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__section-title {
    font-size: 2em;
  }
  .page-about__main-title {
    font-size: 2.5em;
  }
  .page-about__lead-text {
    font-size: 1.1em;
  }
  .page-about__grid,
  .page-about__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-about__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-about__main-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-about__lead-text {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-about__hero-section,
  .page-about__mission-vision,
  .page-about__why-choose-us,
  .page-about__responsible-gambling,
  .page-about__future-outlook,
  .page-about__faq-section {
    padding: 40px 0;
  }

  .page-about__container {
    padding: 0 15px;
  }

  .page-about__hero-image-wrapper {
    margin-bottom: 20px;
  }

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

  .page-about__hero-image-wrapper,
  .page-about__feature-icon {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* Buttons responsive */
  .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-direction: column !important;
    gap: 10px;
    overflow: hidden !important;
  }

  .page-about__hero-section {
    padding-top: 10px !important;
  }

  .page-about__card {
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }

  .page-about__faq-item summary {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-about__faq-answer {
    padding: 0 20px 15px 20px;
  }
}

@media (max-width: 480px) {
  .page-about__section-title {
    font-size: 1.5em;
  }
  .page-about__main-title {
    font-size: 1.8em;
  }
  .page-about__lead-text {
    font-size: 0.9em;
  }
  .page-about__btn-primary,
  .page-about__btn-secondary {
    padding: 12px 20px;
    font-size: 1em;
  }
  .page-about__grid,
  .page-about__features-grid {
    grid-template-columns: 1fr;
  }
  .page-about__responsibility-list li {
    padding: 20px;
  }
}