.page-about {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--background-color);
}

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

.page-about__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 10px; /* Small padding, relying on body for header offset */
  padding-bottom: 60px;
  background-color: var(--background-color);
  position: relative;
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 20px;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-about__hero-content {
  max-width: 900px;
  padding: 0 20px;
  z-index: 1;
  position: relative;
}

.page-about__hero-title {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  color: var(--text-main);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.page-about__hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__hero-cta {
  margin-top: 30px;
}

.page-about__btn-primary,
.page-about__btn-secondary,
.page-about__btn-tertiary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: nowrap;
  word-wrap: break-word;
  max-width: 100%;
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: var(--text-main);
  border: none;
  box-shadow: 0 5px 15px rgba(34, 199, 104, 0.4);
}

.page-about__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(34, 199, 104, 0.6);
}

.page-about__btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border-color);
  margin-left: 20px;
}

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

.page-about__btn-tertiary {
  background: var(--deep-green);
  color: var(--text-main);
  border: none;
  padding: 10px 20px;
  font-size: 0.95rem;
  border-radius: 8px;
}

.page-about__btn-tertiary:hover {
  background: var(--main-color);
}

.page-about__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--text-main);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.3;
}

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

.page-about__text-block {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}

.page-about__text-block--light {
  color: var(--text-main);
}

.page-about__introduction-section,
.page-about__mission-vision-section,
.page-about__core-values-section,
.page-about__history-section,
.page-about__products-services-section,
.page-about__cta-section {
  padding: 60px 0;
}

.page-about__introduction-section {
  background-color: var(--background-color);
}

.page-about__mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.page-about__mission-card,
.page-about__vision-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid var(--border-color);
}

.page-about__card-title {
  font-size: 1.8rem;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-about__card-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-about__core-values-section {
  background-color: var(--background-color);
}

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

.page-about__value-item {
  background-color: var(--card-bg);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
}

.page-about__value-title {
  font-size: 1.4rem;
  color: var(--gold);
  margin-bottom: 10px;
  font-weight: bold;
}

.page-about__value-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.page-about__history-section {
  background-color: var(--background-color);
}

.page-about__history-content {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-about__history-image {
  flex: 1;
  max-width: 50%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  object-fit: cover;
}

.page-about__history-text {
  flex: 1;
}

.page-about__security-section {
  background-color: var(--deep-green);
  padding: 80px 0;
}

.page-about__security-content {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-about__security-image {
  flex: 1;
  max-width: 50%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-about__security-text {
  flex: 1;
}

.page-about__products-services-section {
  background-color: var(--background-color);
}

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

.page-about__gameshow-item {
  background-color: var(--card-bg);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  text-align: center;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.page-about__gameshow-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
}

.page-about__gameshow-title {
  font-size: 1.5rem;
  color: var(--text-main);
  font-weight: bold;
}

.page-about__gameshow-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.page-about__cta-section {
  background: linear-gradient(90deg, var(--deep-green) 0%, var(--main-color) 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--text-main);
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-about__hero-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
  }
  .page-about__hero-description {
    font-size: 1.1rem;
  }
  .page-about__history-content,
  .page-about__security-content {
    flex-direction: column;
    text-align: center;
  }
  .page-about__history-image,
  .page-about__security-image {
    max-width: 80%;
  }
  .page-about__mission-vision-grid {
    grid-template-columns: 1fr;
  }
  .page-about__btn-primary,
  .page-about__btn-secondary {
    white-space: normal;
    word-wrap: break-word;
    padding: 15px 25px;
  }
}

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

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

  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px !important;
  }

  .page-about__hero-image-wrapper {
    margin-bottom: 15px !important;
  }

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

  .page-about__hero-content {
    padding: 0 10px !important;
  }

  .page-about__hero-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem) !important;
    margin-bottom: 15px !important;
  }

  .page-about__hero-description {
    font-size: 1rem !important;
    margin-bottom: 25px !important;
  }

  /* 其他内容模块 */
  .page-about__introduction-section,
  .page-about__mission-vision-section,
  .page-about__core-values-section,
  .page-about__history-section,
  .page-about__security-section,
  .page-about__products-services-section,
  .page-about__cta-section {
    padding: 40px 0 !important;
  }

  .page-about__section-title {
    font-size: clamp(1.5rem, 5vw, 2.2rem) !important;
    margin-bottom: 30px !important;
  }

  .page-about__text-block {
    font-size: 0.95rem !important;
  }

  .page-about__mission-vision-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-about__values-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-about__history-content,
  .page-about__security-content {
    flex-direction: column !important;
    gap: 25px !important;
  }

  .page-about__history-image,
  .page-about__security-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* 产品展示图区域 */
  .page-about__gameshow-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-about__gameshow-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important; /* Allow auto height for mobile */
  }

  .page-about__gameshow-item {
    padding: 15px !important;
  }

  .page-about__gameshow-title {
    font-size: 1.3rem !important;
  }

  .page-about__gameshow-description {
    font-size: 0.9rem !important;
  }

  /* 按钮与按钮容器 */
  .page-about__cta-buttons {
    flex-direction: column !important;
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px !important;
  }

  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about__btn-tertiary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
    margin-left: 0 !important; /* Remove margin for stacked buttons */
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-about__btn-primary,
  .page-about__btn-secondary {
    box-shadow: none !important;
  }

  /* 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__container,
  .page-about__mission-card,
  .page-about__vision-card,
  .page-about__value-item,
  .page-about__gameshow-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
}