/* Biến màu tùy chỉnh */
:root {
  --page-game-strategies-primary-color: #2F6BFF;
  --page-game-strategies-secondary-color: #6FA3FF;
  --page-game-strategies-button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  --page-game-strategies-card-bg: #FFFFFF;
  --page-game-strategies-bg-color: #F4F7FB;
  --page-game-strategies-text-main: #1F2D3D;
  --page-game-strategies-text-black: #000000;
  --page-game-strategies-border-color: #D6E2FF;
  --page-game-strategies-glow-color: #A5C4FF;
}

.page-game-strategies {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-game-strategies-text-main); /* Mặc định cho nền sáng */
}

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

.page-game-strategies__hero-section {
  position: relative;
  padding-top: 10px; /* Chỉ 10px vì body đã có padding-top */
  background-color: var(--page-game-strategies-primary-color);
  overflow: hidden;
}

.page-game-strategies__hero-image-wrapper {
  width: 100%;
  height: 675px; /* Tỉ lệ 16:9 cho 1200px width */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-game-strategies__hero-content {
  max-width: 900px;
  margin: 40px auto;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}

.page-game-strategies__main-title {
  font-size: clamp(2.5rem, 5vw, 3.2rem); /* Sử dụng clamp cho H1 */
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #fff;
}

.page-game-strategies__hero-description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.page-game-strategies__hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

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

.page-game-strategies__btn-primary {
  background: var(--page-game-strategies-button-gradient);
  color: #fff;
  border: 2px solid transparent;
}

.page-game-strategies__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.page-game-strategies__btn-secondary {
  background: #fff;
  color: var(--page-game-strategies-primary-color);
  border: 2px solid var(--page-game-strategies-primary-color);
}

.page-game-strategies__btn-secondary:hover {
  background: var(--page-game-strategies-primary-color);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.page-game-strategies__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
  color: var(--page-game-strategies-text-main);
}

.page-game-strategies__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  color: var(--page-game-strategies-text-main);
}

.page-game-strategies__light-bg {
  background-color: var(--page-game-strategies-bg-color);
  color: var(--page-game-strategies-text-main);
  padding: 80px 0;
}

.page-game-strategies__dark-bg {
  background-color: var(--page-game-strategies-primary-color);
  color: #fff;
  padding: 80px 0;
}

.page-game-strategies__dark-bg .page-game-strategies__section-title,
.page-game-strategies__dark-bg .page-game-strategies__section-description {
  color: #fff;
}

.page-game-strategies__text-block {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 20px;
  text-align: justify;
}

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

.page-game-strategies__card {
  background: var(--page-game-strategies-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  color: var(--page-game-strategies-text-main);
}

.page-game-strategies__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

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

.page-game-strategies__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 20px 20px 10px;
  line-height: 1.4;
}

.page-game-strategies__card-title a {
  color: var(--page-game-strategies-text-main);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-game-strategies__card-title a:hover {
  color: var(--page-game-strategies-primary-color);
}

.page-game-strategies__card-text {
  font-size: 1rem;
  padding: 0 20px;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-game-strategies__card-button {
  display: inline-block;
  margin: 0 20px 20px;
  padding: 10px 20px;
  background: var(--page-game-strategies-primary-color);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: background-color 0.3s ease;
}

.page-game-strategies__card-button:hover {
  background: #235ac7;
}

.page-game-strategies__guide-item {
  background: var(--page-game-strategies-card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  margin-bottom: 40px;
  color: var(--page-game-strategies-text-main);
}

.page-game-strategies__guide-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--page-game-strategies-primary-color);
}

.page-game-strategies__guide-text {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 15px;
  text-align: justify;
}

.page-game-strategies__guide-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  margin: 25px auto;
  display: block;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.page-game-strategies__guide-list {
  list-style-type: disc;
  margin-left: 25px;
  padding: 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

.page-game-strategies__guide-list li {
  margin-bottom: 8px;
}

.page-game-strategies__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 50px;
}

.page-game-strategies__benefit-card {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  color: #fff;
}

.page-game-strategies__benefit-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #fff;
}

.page-game-strategies__benefit-text {
  font-size: 0.95rem;
  opacity: 0.9;
}

.page-game-strategies__benefits-image {
  width: 100%;
  max-width: 900px;
  height: auto;
  border-radius: 12px;
  margin: 50px auto 0;
  display: block;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.page-game-strategies__cta-section {
  text-align: center;
  padding: 80px 0;
  background-color: var(--page-game-strategies-bg-color);
}

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

/* FAQ Styles */
details.page-game-strategies__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--page-game-strategies-border-color);
  overflow: hidden;
  background: var(--page-game-strategies-card-bg);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
details.page-game-strategies__faq-item summary.page-game-strategies__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;
  color: var(--page-game-strategies-text-main);
}
details.page-game-strategies__faq-item summary.page-game-strategies__faq-question::-webkit-details-marker {
  display: none;
}
details.page-game-strategies__faq-item summary.page-game-strategies__faq-question:hover {
  background: #f0f5ff;
}
.page-game-strategies__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--page-game-strategies-text-main);
}
details.page-game-strategies__faq-item[open] .page-game-strategies__faq-qtext {
  color: var(--page-game-strategies-primary-color);
}
.page-game-strategies__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--page-game-strategies-primary-color);
  flex-shrink: 0;
  margin-left: 20px;
  width: 30px;
  text-align: center;
}
details.page-game-strategies__faq-item .page-game-strategies__faq-answer {
  padding: 0 25px 25px;
  background: #fdfefe;
  border-top: 1px solid #eee;
  border-radius: 0 0 10px 10px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--page-game-strategies-text-main);
}

/* General image rules */
.page-game-strategies img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-game-strategies__hero-image-wrapper {
    height: 500px;
  }
  .page-game-strategies__main-title {
    font-size: clamp(2.2rem, 4.5vw, 2.8rem);
  }
  .page-game-strategies__hero-description {
    font-size: 1.05rem;
  }
  .page-game-strategies__section-title {
    font-size: 2rem;
  }
  .page-game-strategies__categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-game-strategies__guide-title {
    font-size: 1.6rem;
  }
  .page-game-strategies__benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-game-strategies__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .page-game-strategies__hero-image-wrapper {
    height: 300px !important;
  }

  .page-game-strategies__hero-image {
    object-fit: contain !important; /* HERO 主图区域: object-fit:contain */
    aspect-ratio: unset !important; /* aspect-ratio:unset */
    width: 100% !important;
    height: 100% !important;
  }

  .page-game-strategies__hero-content {
    margin: 20px auto;
    padding: 0 15px;
  }

  .page-game-strategies__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem) !important;
    margin-bottom: 15px;
  }

  .page-game-strategies__hero-description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-game-strategies__hero-cta-buttons,
  .page-game-strategies__cta-buttons {
    flex-direction: column !important;
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-game-strategies__btn-primary,
  .page-game-strategies__btn-secondary,
  .page-game-strategies a[class*="button"],
  .page-game-strategies a[class*="btn"] {
    padding: 12px 20px !important;
    font-size: 1rem !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-game-strategies__light-bg,
  .page-game-strategies__dark-bg {
    padding: 40px 0;
  }

  .page-game-strategies__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  .page-game-strategies__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-game-strategies__categories-grid {
    grid-template-columns: 1fr 1fr; /* Sản phẩm hiển thị 2 cột */
    gap: 20px;
    overflow-x: hidden; /* Ngăn tràn ngang */
  }

  .page-game-strategies__card-image {
    height: 150px;
  }

  .page-game-strategies__card-title {
    font-size: 1.2rem;
    margin: 15px 15px 8px;
  }

  .page-game-strategies__card-text {
    font-size: 0.9rem;
    padding: 0 15px;
    margin-bottom: 15px;
  }

  .page-game-strategies__card-button {
    margin: 0 15px 15px;
    padding: 8px 15px;
    font-size: 0.9rem;
  }

  .page-game-strategies__guide-item {
    padding: 20px;
    margin-bottom: 30px;
  }

  .page-game-strategies__guide-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
  }

  .page-game-strategies__guide-text,
  .page-game-strategies__guide-list {
    font-size: 0.95rem;
  }

  .page-game-strategies__guide-image {
    margin: 20px auto;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-game-strategies__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-game-strategies__benefit-title {
    font-size: 1.15rem;
  }

  .page-game-strategies__benefits-image {
    margin-top: 30px;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  details.page-game-strategies__faq-item summary.page-game-strategies__faq-question {
    padding: 15px;
  }
  .page-game-strategies__faq-qtext {
    font-size: 1rem;
  }
  .page-game-strategies__faq-toggle {
    font-size: 24px;
    margin-left: 15px;
    width: 24px;
  }
  details.page-game-strategies__faq-item .page-game-strategies__faq-answer {
    padding: 0 15px 15px;
  }

  .page-game-strategies img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
}