/* style/about.css */

/* --- General Styles --- */
.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Default text color for light sections */
  background-color: var(--bg); /* Body background from shared */
}

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

.page-about__section-title {
  font-size: 2.8em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-main);
  line-height: 1.2;
}

.page-about__sub-title {
  font-size: 1.8em;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 20px;
}

.page-about__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.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: all 0.3s ease;
  text-align: center;
  box-sizing: border-box; /* Crucial for responsive buttons */
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-about__btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-about__cta-buttons--center {
  margin-left: auto;
  margin-right: auto;
}

.page-about__card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.page-about a {
  color: var(--glow); /* Primary brand color for links */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-about a:hover {
  color: var(--gold);
  text-decoration: underline;
}

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

.page-about__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit height for hero image */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-about__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
}

.page-about__main-title {
  font-size: clamp(2.5em, 5vw, 3.8em); /* Responsive font size */
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 20px;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.page-about__hero-description {
  font-size: 1.3em;
  color: var(--text-main);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Intro Section (Dark Background) --- */
.page-about__intro-section {
  padding: 80px 0;
  background-color: var(--deep-green); /* Dark section background */
  color: var(--text-main);
}

.page-about__intro-section .page-about__section-title {
  color: var(--gold);
}

.page-about__intro-section .page-about__text-block {
  color: var(--text-secondary);
}

.page-about__image-text-block {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 60px;
  margin-bottom: 60px;
}

.page-about__image-text-block--reverse {
  flex-direction: row-reverse;
}

.page-about__image-inline {
  width: 50%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-about__text-content {
  width: 50%;
}

.page-about__text-content p {
  color: var(--text-secondary);
  font-size: 1.05em;
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.page-about__text-content .page-about__sub-title {
  color: var(--text-main);
  text-align: left;
}


/* --- Why Choose Us Section (Light Background) --- */
.page-about__why-choose-us {
  padding: 80px 0;
  background-color: var(--bg); /* Default light background */
  color: var(--text-main);
}

.page-about__why-choose-us .page-about__section-title {
  color: var(--text-main);
}

.page-about__why-choose-us .page-about__text-block {
  color: var(--text-secondary);
}

.page-about__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__feature-card {
  text-align: center;
  padding: 30px;
}

.page-about__feature-title {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-about__feature-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: center;
}

.page-about__feature-link {
  color: var(--glow);
  font-weight: 600;
}

.page-about__feature-link:hover {
  color: var(--gold);
  text-decoration: underline;
}

/* --- Values Section (Dark Background) --- */
.page-about__values-section {
  padding: 80px 0;
  background-color: var(--deep-green);
  color: var(--text-main);
}

.page-about__values-section .page-about__section-title {
  color: var(--gold);
}

.page-about__values-section .page-about__text-block {
  color: var(--text-secondary);
}

.page-about__values-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__value-item {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--divider);
}

.page-about__value-title {
  font-size: 1.6em;
  font-weight: 600;
  color: var(--main-color);
  margin-bottom: 15px;
  text-align: center;
}

.page-about__value-item p {
  color: var(--text-secondary);
  font-size: 1.05em;
  text-align: justify;
}

/* --- Team Section (Light Background) --- */
.page-about__team-section {
  padding: 80px 0;
  background-color: var(--bg);
  color: var(--text-main);
}

.page-about__team-section .page-about__section-title {
  color: var(--text-main);
}

.page-about__team-section .page-about__text-block {
  color: var(--text-secondary);
}

.page-about__team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__team-member {
  text-align: center;
  padding: 30px;
}

.page-about__team-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 4px solid var(--main-color);
  box-shadow: 0 0 0 8px rgba(17, 168, 78, 0.3); /* Using RGB for rgba */
}

.page-about__member-name {
  font-size: 1.4em;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 5px;
}

.page-about__member-role {
  font-size: 1em;
  color: var(--text-secondary);
  margin-bottom: 15px;
  font-style: italic;
}

.page-about__member-bio {
  color: var(--text-secondary);
  font-size: 0.95em;
}

/* --- Milestones Section (Dark Background) --- */
.page-about__milestones-section {
  padding: 80px 0;
  background-color: var(--deep-green);
  color: var(--text-main);
}

.page-about__milestones-section .page-about__section-title {
  color: var(--gold);
}

.page-about__milestones-section .page-about__text-block {
  color: var(--text-secondary);
}

.page-about__milestones-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__milestone-item {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--divider);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about__milestone-item::before {
  content: '';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 80px;
  background: var(--main-color);
  border-radius: 50%;
  opacity: 0.1;
  z-index: 0;
}

.page-about__milestone-year {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--glow);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.page-about__milestone-description {
  color: var(--text-secondary);
  font-size: 1em;
  position: relative;
  z-index: 1;
}

/* --- Responsible Gaming Section (Light Background) --- */
.page-about__responsible-gaming-section {
  padding: 80px 0;
  background-color: var(--bg);
  color: var(--text-main);
}

.page-about__responsible-gaming-section .page-about__section-title {
  color: var(--text-main);
}

.page-about__responsible-gaming-section .page-about__text-block {
  color: var(--text-secondary);
}

.page-about__responsible-gaming-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__rg-item {
  text-align: center;
  padding: 30px;
}

.page-about__rg-title {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--main-color);
  margin-bottom: 15px;
}

.page-about__rg-item p {
  color: var(--text-secondary);
  font-size: 1em;
}

/* --- FAQ Section (Dark Background) --- */
.page-about__faq-section {
  padding: 80px 0;
  background-color: var(--deep-green);
  color: var(--text-main);
}

.page-about__faq-section .page-about__section-title {
  color: var(--gold);
}

.page-about__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
}

.page-about__faq-item {
  background-color: var(--card-bg);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  border: 1px solid var(--divider);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--text-main);
  transition: background-color 0.3s ease;
  list-style: none; /* Hide default marker for details */
}

.page-about__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for details in Webkit */
}

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

.page-about__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--main-color);
  margin-left: 15px;
}

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

.page-about__faq-answer p {
  margin-bottom: 10px;
  text-align: left;
}

.page-about__faq-answer a {
  color: var(--glow);
  text-decoration: underline;
}

.page-about__faq-answer a:hover {
  color: var(--gold);
}


/* --- CTA Bottom Section (Light Background) --- */
.page-about__cta-bottom-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--bg);
  color: var(--text-main);
}

.page-about__cta-bottom-section .page-about__section-title {
  color: var(--text-main);
}

.page-about__cta-bottom-section .page-about__text-block {
  color: var(--text-secondary);
}


/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-about__section-title {
    font-size: 2.5em;
  }
  .page-about__main-title {
    font-size: clamp(2em, 4.5vw, 3.2em);
  }
  .page-about__hero-description {
    font-size: 1.2em;
  }
  .page-about__image-text-block {
    flex-direction: column;
    text-align: center;
  }
  .page-about__image-text-block--reverse {
    flex-direction: column;
  }
  .page-about__image-inline,
  .page-about__text-content {
    width: 100%;
  }
  .page-about__text-content p {
    text-align: center;
  }
  .page-about__text-content .page-about__sub-title {
    text-align: center;
  }
  .page-about__values-list {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-about__section-title {
    font-size: 2em;
    margin-bottom: 30px;
  }
  .page-about__main-title {
    font-size: clamp(1.8em, 6vw, 2.8em);
  }
  .page-about__hero-description {
    font-size: 1.1em;
  }
  .page-about__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body handles header offset */
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
  }
  .page-about__btn-primary,
  .page-about__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }
  .page-about__container {
    padding: 0 15px;
  }
  .page-about__intro-section,
  .page-about__why-choose-us,
  .page-about__values-section,
  .page-about__team-section,
  .page-about__milestones-section,
  .page-about__responsible-gaming-section,
  .page-about__faq-section,
  .page-about__cta-bottom-section {
    padding: 50px 0;
  }
  .page-about__image-inline {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }
  .page-about__features-grid,
  .page-about__values-list,
  .page-about__team-grid,
  .page-about__milestones-list,
  .page-about__responsible-gaming-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-about__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-about__faq-answer {
    padding: 0 20px 15px 20px;
  }

  /* Mobile image specific overrides */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* Mobile container specific overrides */
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__hero-section,
  .page-about__intro-section,
  .page-about__why-choose-us,
  .page-about__values-section,
  .page-about__team-section,
  .page-about__milestones-section,
  .page-about__responsible-gaming-section,
  .page-about__faq-section,
  .page-about__cta-bottom-section,
  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container,
  .page-about__image-text-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    /* padding-left and padding-right are already set on .page-about__container and other sections */
    overflow: hidden !important; /* Ensure no horizontal scroll */
  }
  .page-about__image-text-block .page-about__text-content {
    width: 100% !important;
  }
  .page-about__image-text-block .page-about__image-inline {
    width: 100% !important;
  }

  /* Text alignment for mobile */
  .page-about__text-block,
  .page-about__value-item p,
  .page-about__rg-item p,
  .page-about__member-bio {
    text-align: left;
  }
  .page-about__feature-card, .page-about__value-item, .page-about__rg-item, .page-about__milestone-item {
    padding: 20px;
  }
  .page-about__feature-title, .page-about__value-title, .page-about__rg-title {
    font-size: 1.3em;
  }
}

/* --- Custom Color Palette Integration --- */
/* Defined in root or shared, using variables here */
:root {
  --main-color: #11A84E; /* 主色调 */
  --secondary-color: #22C768; /* 辅助色 */
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B; /* Card BG */
  --bg: #08160F; /* 背景 */
  --text-main: #F2FFF6; /* Text Main */
  --text-secondary: #A7D9B8; /* Text Secondary */
  --border-color: #2E7A4E; /* 边框 */
  --glow: #57E38D; /* Glow */
  --gold: #F2C14E; /* Gold */
  --divider: #1E3A2A; /* Divider */
  --deep-green: #0A4B2C; /* Deep Green */
}

/* Applying colors based on background context */
.page-about__dark-section {
  background-color: var(--deep-green);
  color: var(--text-main);
}

.page-about__dark-section .page-about__section-title {
  color: var(--gold);
}

.page-about__dark-section .page-about__text-block {
  color: var(--text-secondary);
}

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

.page-about__light-bg .page-about__section-title {
  color: var(--text-main);
}

.page-about__light-bg .page-about__text-block {
  color: var(--text-secondary);
}

.page-about__card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.page-about__card p {
  color: var(--text-secondary);
}

.page-about__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* Explicitly white for contrast */
}

.page-about__btn-secondary {
  color: var(--text-main);
  border-color: var(--border-color);
}

.page-about__btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05); /* Slight hover effect on dark bg */
}

/* Ensure link colors are visible */
.page-about a {
  color: var(--glow);
}
.page-about a:hover {
  color: var(--gold);
}

.page-about__faq-question {
  color: var(--text-main);
}

.page-about__faq-answer {
  color: var(--text-secondary);
}

.page-about__faq-toggle {
  color: var(--main-color);
}

.page-about__team-photo {
  border-color: var(--main-color);
  box-shadow: 0 0 0 8px rgba(17, 168, 78, 0.3); /* Using RGB for rgba */
}