.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Default text color for dark body background */
  background-color: var(--dark-bg); /* Assuming body background is dark */
}

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

/* Hero Section */
.page-about__hero-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0; /* Assumes shared.css provides padding-top for body */
  min-height: 600px;
  text-align: left;
  position: relative;
  overflow: hidden;
  background-color: #017439; /* Use main brand color for hero background */
}

.page-about__hero-section .page-about__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.page-about__hero-content {
  flex: 1;
  max-width: 55%;
  padding: 80px 0;
}

.page-about__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  color: #FFFFFF;
  line-height: 1.2;
}

.page-about__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-about__hero-image-wrapper {
  flex: 1;
  max-width: 45%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  object-fit: cover;
}

.page-about__hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* General Section Styles */
.page-about__section {
  padding: 80px 0;
  background-color: var(--dark-bg);
  color: #ffffff;
}

.page-about__section.page-about__dark-bg {
  background-color: #017439;
  color: #ffffff;
}

.page-about__section-title {
  font-size: 2.5em;
  color: #FFFFFF;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-about__section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: #FFFFFF;
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-about__section-description {
  font-size: 1.1em;
  color: #f0f0f0;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.page-about__text-block {
  max-width: 900px;
  margin: 0 auto;
  text-align: justify;
}

.page-about__text-block p {
  margin-bottom: 20px;
  font-size: 1.1em;
  color: #f0f0f0;
}

.page-about__text-block h3 {
  font-size: 1.8em;
  color: #FFFFFF;
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-about__image-full-width {
  width: 100%;
  height: auto;
  margin-top: 40px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

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

.page-about__value-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-about__value-item:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.15);
}

.page-about__value-title {
  font-size: 1.6em;
  color: #FFFFFF;
  margin-bottom: 15px;
}

.page-about__value-item p {
  font-size: 1em;
  color: #e0e0e0;
}

/* Product Showcase */
.page-about__product-showcase {
  background-color: var(--dark-bg);
}

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

.page-about__game-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-about__game-card:hover {
  transform: translateY(-8px);
}

.page-about__game-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-about__game-card h3 {
  padding: 15px 20px 0;
  font-size: 1.4em;
  color: #FFFFFF;
}

.page-about__game-card h3 a {
  color: #FFFFFF;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-about__game-card h3 a:hover {
  color: #FFFF00; /* Highlight color for links */
}

.page-about__game-card p {
  padding: 0 20px 20px;
  font-size: 0.95em;
  color: #cccccc;
  flex-grow: 1;
}

/* Buttons */
.page-about__btn-primary,
.page-about__btn-secondary,
.page-about a[class*="button"],
.page-about a[class*="btn"] {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary {
  background-color: #C30808; /* Custom color for login/register */
  color: #FFFF00; /* Custom font color for login/register */
  border: 2px solid #C30808;
}

.page-about__btn-primary:hover {
  background-color: #e02020;
  border-color: #e02020;
  color: #ffffff;
}

.page-about__btn-secondary {
  background-color: transparent;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
}

.page-about__btn-secondary:hover {
  background-color: #FFFFFF;
  color: #017439;
}

.page-about__btn-small {
  padding: 8px 18px;
  font-size: 0.9em;
}

.page-about__btn-large {
  padding: 15px 30px;
  font-size: 1.1em;
}

/* Security and Social Responsibility */
.page-about__security-commitment {
  background-color: var(--dark-bg);
}

.page-about__subsection-title {
  font-size: 2em;
  color: #FFFFFF;
  margin-top: 50px;
  margin-bottom: 20px;
  text-align: center;
}

.page-about__security-commitment .page-about__btn-primary,
.page-about__security-commitment .page-about__btn-secondary {
  margin-top: 30px;
  margin-right: 15px;
}

/* FAQ Section */
.page-about__faq-section {
  background-color: #017439;
  color: #ffffff;
}

.page-about__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-about__faq-item {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  color: #FFFFFF;
  transition: background-color 0.3s ease;
}

.page-about__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-about__faq-item.active .page-about__faq-toggle {
  transform: rotate(45deg);
}

.page-about__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  color: #e0e0e0;
}

.page-about__faq-item.active .page-about__faq-answer {
  max-height: 1000px !important; /* Sufficiently large value */
  padding: 15px 20px;
}

.page-about__faq-answer p {
  margin-bottom: 15px;
  font-size: 1em;
}

/* Call to Action Bottom */
.page-about__cta-bottom {
  text-align: center;
  padding: 80px 0;
  background-color: var(--dark-bg);
}

.page-about__cta-bottom .page-about__section-title {
  color: #FFFFFF;
}

.page-about__cta-bottom .page-about__section-description {
  margin-bottom: 40px;
  color: #f0f0f0;
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__hero-title {
    font-size: 3em;
  }
  .page-about__hero-description {
    font-size: 1.1em;
  }
  .page-about__hero-content {
    padding: 60px 0;
  }
  .page-about__section {
    padding: 60px 0;
  }
  .page-about__section-title {
    font-size: 2em;
  }
  .page-about__games-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-about__game-card p {
    font-size: 0.9em;
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-about__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO 主图区域 */
  .page-about__hero-section {
    flex-direction: column;
    text-align: center;
    min-height: auto;
    padding: 0 !important; /* Assumes shared.css handles body padding */
  }
  .page-about__hero-section .page-about__container {
    flex-direction: column;
    gap: 20px;
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .page-about__hero-content {
    max-width: 100%;
    padding: 0;
  }
  .page-about__hero-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }
  .page-about__hero-description {
    font-size: 1em;
    margin-bottom: 25px;
  }
  .page-about__hero-image-wrapper {
    max-width: 100%;
    justify-content: center;
    padding-bottom: 20px;
  }
  .page-about__hero-image {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }
  .page-about__hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  /* 通用图片与容器 */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__text-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  /* 产品展示图区域 */
  .page-about__games-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-about__game-card {
    max-width: 100% !important;
    width: 100% !important;
  }
  .page-about__game-image {
    height: 180px;
  }

  /* 按钮与按钮容器 */
  .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 !important;
    padding-right: 15px !important;
  }
  .page-about__hero-buttons,
  .page-about__cta-bottom .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: 0 !important;
    padding-right: 0 !important;
    flex-direction: column !important; /* Ensure vertical stacking for multiple buttons */
    gap: 10px !important;
  }
  .page-about__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-about__subsection-title {
    font-size: 1.5em;
    margin-top: 30px;
  }
  .page-about__text-block p {
    font-size: 1em;
  }
  .page-about__values-grid {
    grid-template-columns: 1fr;
  }
  .page-about__value-item {
    padding: 20px;
  }
  .page-about__faq-question {
    font-size: 1em;
    padding: 15px;
  }
  .page-about__faq-answer {
    padding: 0 15px;
  }
  .page-about__faq-item.active .page-about__faq-answer {
    padding: 10px 15px;
  }
  .page-about__security-commitment .page-about__btn-primary,
  .page-about__security-commitment .page-about__btn-secondary {
    margin-right: 0;
    margin-bottom: 10px;
  }
  .page-about__security-commitment .page-about__btn-primary:last-child,
  .page-about__security-commitment .page-about__btn-secondary:last-child {
    margin-bottom: 0;
  }
}