.page-index-cac-tinh-nang-noi-bat {
  font-family: 'Arial', sans-serif;
  color: #F3F8FF; /* Text Main */
  background-color: var(--color-deep-navy); /* From shared.css */
}

.page-index-cac-tinh-nang-noi-bat__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-index-cac-tinh-nang-noi-bat__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.page-index-cac-tinh-nang-noi-bat__hero-image {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
  border-radius: 10px;
  margin-bottom: 40px;
}

.page-index-cac-tinh-nang-noi-bat__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-index-cac-tinh-nang-noi-bat__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  padding: 0 20px;
}

.page-index-cac-tinh-nang-noi-bat__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(79, 168, 255, 0.5);
}

.page-index-cac-tinh-nang-noi-bat__hero-description {
  font-size: 1.2rem;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-index-cac-tinh-nang-noi-bat__hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-index-cac-tinh-nang-noi-bat__btn-primary,
.page-index-cac-tinh-nang-noi-bat__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  min-width: 180px;
}

.page-index-cac-tinh-nang-noi-bat__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #F3F8FF; /* Text Main */
  border: 2px solid transparent;
}

.page-index-cac-tinh-nang-noi-bat__btn-primary:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.page-index-cac-tinh-nang-noi-bat__btn-secondary {
  background: #10233F; /* Card BG */
  color: #F2C14E; /* Gold */
  border: 2px solid #F2C14E;
}

.page-index-cac-tinh-nang-noi-bat__btn-secondary:hover {
  background: #F2C14E;
  color: #10233F;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.page-index-cac-tinh-nang-noi-bat__section {
  padding: 80px 0;
  text-align: center;
}

.page-index-cac-tinh-nang-noi-bat__section--about {
  padding-bottom: 40px;
}

.page-index-cac-tinh-nang-noi-bat__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.page-index-cac-tinh-nang-noi-bat__section-title--light {
  color: #F3F8FF; /* Text Main */
}

.page-index-cac-tinh-nang-noi-bat__section-subtitle {
  font-size: 1.2rem;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 40px;
  line-height: 1.6;
}

.page-index-cac-tinh-nang-noi-bat__text-block {
  font-size: 1.1rem;
  color: #AFC4E8; /* Text Secondary */
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto 40px;
  text-align: left;
}

.page-index-cac-tinh-nang-noi-bat__text-block--light {
  color: #F3F8FF; /* Text Main */
}

.page-index-cac-tinh-nang-noi-bat__features-grid {
  padding-top: 40px;
}

.page-index-cac-tinh-nang-noi-bat__feature-card-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index-cac-tinh-nang-noi-bat__feature-card {
  background: #10233F; /* Card BG */
  border: 1px solid #244D84; /* Border */
  border-radius: 12px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-index-cac-tinh-nang-noi-bat__feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.page-index-cac-tinh-nang-noi-bat__feature-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 25px;
  display: block;
  max-width: 100%; /* Ensure images are responsive */
}

.page-index-cac-tinh-nang-noi-bat__card-title {
  font-size: 1.5rem;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.page-index-cac-tinh-nang-noi-bat__card-description {
  font-size: 1rem;
  color: #AFC4E8; /* Text Secondary */
  line-height: 1.7;
}

.page-index-cac-tinh-nang-noi-bat__cta-section {
  background: #113B7A; /* Main Color */
  padding: 100px 0;
}

.page-index-cac-tinh-nang-noi-bat__cta-buttons {
  display: flex;
  gap: 25px;
  justify-content: center;
  margin-top: 50px;
  flex-wrap: wrap;
}

.page-index-cac-tinh-nang-noi-bat__faq-section {
  padding-top: 80px;
  padding-bottom: 100px;
}

details.page-index-cac-tinh-nang-noi-bat__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #244D84; /* Border */
  overflow: hidden;
  background: #10233F; /* Card BG */
  color: #F3F8FF; /* Text Main */
}

details.page-index-cac-tinh-nang-noi-bat__faq-item summary.page-index-cac-tinh-nang-noi-bat__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-index-cac-tinh-nang-noi-bat__faq-item summary.page-index-cac-tinh-nang-noi-bat__faq-question::-webkit-details-marker {
  display: none;
}

details.page-index-cac-tinh-nang-noi-bat__faq-item summary.page-index-cac-tinh-nang-noi-bat__faq-question:hover {
  background: rgba(43, 115, 246, 0.1);
}

.page-index-cac-tinh-nang-noi-bat__faq-qtext {
  flex: 1;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F3F8FF; /* Text Main */
}

.page-index-cac-tinh-nang-noi-bat__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #F2C14E; /* Gold */
  flex-shrink: 0;
  margin-left: 20px;
  width: 30px;
  text-align: center;
}

details.page-index-cac-tinh-nang-noi-bat__faq-item .page-index-cac-tinh-nang-noi-bat__faq-answer {
  padding: 0 25px 25px;
  background: #08162B; /* Deep Navy */
  border-radius: 0 0 8px 8px;
  font-size: 1rem;
  color: #AFC4E8; /* Text Secondary */
  line-height: 1.7;
  text-align: left;
}

.page-index-cac-tinh-nang-noi-bat img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-index-cac-tinh-nang-noi-bat__hero-image {
    height: 500px;
  }

  .page-index-cac-tinh-nang-noi-bat__main-title {
    font-size: clamp(2.2rem, 4.5vw, 3rem);
  }

  .page-index-cac-tinh-nang-noi-bat__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  }

  .page-index-cac-tinh-nang-noi-bat__feature-card-wrapper {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }

  .page-index-cac-tinh-nang-noi-bat__feature-card img {
    
  }
}

@media (max-width: 768px) {
  .page-index-cac-tinh-nang-noi-bat__container {
    padding: 0 15px;
  }

  .page-index-cac-tinh-nang-noi-bat__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }

  .page-index-cac-tinh-nang-noi-bat__hero-image {
    height: auto !important;
    aspect-ratio: 16/9 !important;
    object-fit: contain !important; /* HERO 主图区域: 移动 object-fit:contain !important; */
    border-radius: 8px;
    margin-bottom: 30px;
  }

  .page-index-cac-tinh-nang-noi-bat__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
  }

  .page-index-cac-tinh-nang-noi-bat__main-title {
    font-size: clamp(2rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-index-cac-tinh-nang-noi-bat__hero-description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-index-cac-tinh-nang-noi-bat__hero-cta {
    flex-direction: column;
    gap: 15px;
  }

  /* 按钮与按钮容器 */
  .page-index-cac-tinh-nang-noi-bat__btn-primary,
  .page-index-cac-tinh-nang-noi-bat__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-index-cac-tinh-nang-noi-bat__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    flex-direction: column;
    gap: 15px;
  }

  .page-index-cac-tinh-nang-noi-bat__section {
    padding: 60px 0;
  }

  .page-index-cac-tinh-nang-noi-bat__section-title {
    font-size: clamp(1.6rem, 6vw, 2rem);
    margin-bottom: 15px;
  }

  .page-index-cac-tinh-nang-noi-bat__section-subtitle {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-index-cac-tinh-nang-noi-bat__text-block {
    font-size: 0.95rem;
    margin-bottom: 30px;
    text-align: left;
  }

  .page-index-cac-tinh-nang-noi-bat__feature-card-wrapper {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-index-cac-tinh-nang-noi-bat__feature-card {
    padding: 20px;
  }

  .page-index-cac-tinh-nang-noi-bat__feature-card img {
    
    margin-bottom: 20px;
  }

  .page-index-cac-tinh-nang-noi-bat__card-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
  }

  .page-index-cac-tinh-nang-noi-bat__card-description {
    font-size: 0.9rem;
  }

  .page-index-cac-tinh-nang-noi-bat__cta-section {
    padding: 80px 0;
  }

  .page-index-cac-tinh-nang-noi-bat__faq-section {
    padding-top: 60px;
    padding-bottom: 80px;
  }

  details.page-index-cac-tinh-nang-noi-bat__faq-item summary.page-index-cac-tinh-nang-noi-bat__faq-question {
    padding: 15px 20px;
  }

  .page-index-cac-tinh-nang-noi-bat__faq-qtext {
    font-size: 1rem;
  }

  .page-index-cac-tinh-nang-noi-bat__faq-toggle {
    font-size: 24px;
    margin-left: 15px;
    width: 25px;
  }

  details.page-index-cac-tinh-nang-noi-bat__faq-item .page-index-cac-tinh-nang-noi-bat__faq-answer {
    padding: 0 20px 20px;
    font-size: 0.9rem;
  }

  /* 通用图片与容器 */
  .page-index-cac-tinh-nang-noi-bat img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-index-cac-tinh-nang-noi-bat__section,
  .page-index-cac-tinh-nang-noi-bat__card,
  .page-index-cac-tinh-nang-noi-bat__container,
  .page-index-cac-tinh-nang-noi-bat__feature-card-wrapper,
  .page-index-cac-tinh-nang-noi-bat__hero-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 避免产品展示图区域横向滚动，虽然此页非首页无 gameshow */
  .page-index-cac-tinh-nang-noi-bat__features-grid {
    overflow-x: hidden;
    padding-left: 0;
    padding-right: 0;
  }
  .page-index-cac-tinh-nang-noi-bat__feature-card-wrapper {
    padding-left: 0;
    padding-right: 0;
  }
}