.page-gioi-thieu {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: #F4F7FB;
  color: #1F2D3D;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.page-gioi-thieu__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-gioi-thieu__hero-banner {
  width: 100%;
  background-color: #F4F7FB;
  padding-top: 10px;
  padding-bottom: 20px;
}

.page-gioi-thieu__hero-image-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.page-gioi-thieu__hero-image {
  width: 100%;
  height: auto;
  aspect-ratio: 17 / 5;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}

.page-gioi-thieu__hero-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 15px 0;
  text-align: left;
}

.page-gioi-thieu__hero-title {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  color: #1F2D3D;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.page-gioi-thieu__hero-description {
  font-size: 16px;
  color: #1F2D3D;
  line-height: 1.6;
  margin: 0 auto;
  max-width: 800px;
}

.page-gioi-thieu__section-title {
  font-size: clamp(24px, 4vw, 32px);
  color: #2F6BFF;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  margin: 0 0 8px;
  padding-top: 20px;
}

.page-gioi-thieu__section-subtitle {
  font-size: 16px;
  text-align: center;
  color: #1F2D3D;
  margin-bottom: 20px;
  line-height: 1.6;
}

.page-gioi-thieu__intro-section,
.page-gioi-thieu__features-section,
.page-gioi-thieu__games-section,
.page-gioi-thieu__guide-section,
.page-gioi-thieu__commitment-section {
  padding: 20px 0;
}

.page-gioi-thieu__paragraph {
  font-size: 16px;
  line-height: 1.7;
  color: #1F2D3D;
  margin: 0 0 15px;
}

/* Stats */
.page-gioi-thieu__stats-section {
  background-color: #FFFFFF;
}

.page-gioi-thieu__stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  justify-content: center;
  align-items: stretch;
  padding: 20px 0;
}

.page-gioi-thieu__stat-item {
  background: #FFFFFF;
  border: 1px solid #D6E2FF;
  border-radius: 12px;
  text-align: center;
  padding: 24px 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.page-gioi-thieu__stat-number {
  display: block;
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  color: #2F6BFF;
  line-height: 1;
  margin-bottom: 6px;
}

.page-gioi-thieu__stat-label {
  display: block;
  font-size: 14px;
  color: #6FA3FF;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Features Cards */
.page-gioi-thieu__features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.page-gioi-thieu__feature-card {
  background-color: #FFFFFF;
  border: 1px solid #D6E2FF;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: 0.3s;
}

.page-gioi-thieu__feature-card:hover {
  box-shadow: 0 12px 24px rgba(47,107,255,0.3);
  transform: translateY(-4px);
  border-color: #A5C4FF;
}

.page-gioi-thieu__feature-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-gioi-thieu__card-title {
  color: #1F2D3D;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-gioi-thieu__feature-card p {
  font-size: 15px;
  line-height: 1.7;
  color: #1F2D3D;
  margin-bottom: 12px;
  min-height: 60px;
}

.page-gioi-thieu__feature-card .page-gioi-thieu__card-link {
  color: #2F6BFF;
  font-weight: 600;
  text-decoration: none;
}

/* Logo Grid */
.page-gioi-thieu__logos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.page-gioi-thieu__logos-card {
    background-color: #FFFFFF;
    border: 1px solid #D6E2FF;
    border-radius: 12px;
    overflow: hidden;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.page-gioi-thieu__logos-logo {
    width: 100%;
    aspect-ratio: 2 / 1;
    object-fit: contain;
    background: #F4F7FB;
    padding: 10px;
    box-sizing: border-box;
    border-bottom: 1px solid #E4EBF5;
}

.page-gioi-thieu__logos-header {
    padding: 24px 20px;
}

.page-gioi-thieu__logos-header p {
    font-size: 15px;
    line-height: 1.6;
    color: #1F2D3D;
    margin-bottom: 15px;
}

.page-gioi-thieu__logos-cta {
    color: #2F6BFF;
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
}

/* CTA Section */
.page-gioi-thieu__cta-section {
  background: linear-gradient(110deg, #2F6BFF 0%, #6FA3FF 100%);
  padding: 40px 0;
  border-radius: 16px;
  margin: 20px 15px;
}

.page-gioi-thieu__cta-content {
  text-align: center;
  color: #FFFFFF;
  width: 100%;
  max-width: 900px;
}

.page-gioi-thieu__cta-heading {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 15px;
}

.page-gioi-thieu__cta-text {
  font-size: 17px;
  line-height: 1.6;
  color: #FFFFFF;
  margin-bottom: 24px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.page-gioi-thieu__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-gioi-thieu__cta-button {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-gioi-thieu__cta-button:hover {
  opacity: 0.85;
  color: #fff;
}

.page-gioi-thieu__cta-register {
  background: #FFFFFF;
  padding: 12px 28px;
  border-radius: 999px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F0F5FF 100%);
  color: #2F6BFF;
  border: 2px solid #FFFFFF;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(0,0,0,0.3);
  text-decoration: none;
}

.page-gioi-thieu__cta-play {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
  box-shadow: 0 4px 14px rgba(0,0,0,0.3);
  font-weight: 800;
  text-decoration: none;
}

/* Steps Guide */
.page-gioi-thieu__steps-list {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-gioi-thieu__step-item {
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: stretch;
  border: 1px solid #D6E2FF;
}

.page-gioi-thieu__step-image {
  flex: 1 1 40%;
  min-width: 280px;
  padding: 0;
}

.page-gioi-thieu__guide-figure-image {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  max-width: 100%;
}

.page-gioi-thieu__step-content {
  flex: 1 1 60%;
  min-width: 250px;
  padding: 24px;
  box-sizing: border-box;
}

.page-gioi-thieu__step-number {
  font-size: 22px;
  font-weight: 700;
  color: #2F6BFF;
  margin-top: 0;
  margin-bottom: 12px;
}

.page-gioi-thieu__step-text {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 16px;
}

/* FAQ */
.page-gioi-thieu__faq-section {
  padding: 20px 0 40px;
  max-width: 900px;
  margin: 0 auto;
}

.page-gioi-thieu__faq-item {
  border: 1px solid #D6E2FF;
  margin-bottom: 8px;
  border-radius: 10px;
  background: #FFFFFF;
}

.page-gioi-thieu__faq-question {
  cursor: pointer;
  padding: 16px 16px;
  font-weight: 600;
  font-size: 17px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  color: #1F2D3D;
}

.page-gioi-thieu__faq-question::-webkit-details-marker {
  display: none;
}

.page-gioi-thieu__faq-toggle {
  background: #2F6BFF;
  color: #FFFFFF;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  margin-left: 12px;
  flex-shrink: 0;
}

.page-gioi-thieu__faq-answer {
  padding: 0 16px 16px;
  border-top: 1px dashed #6FA3FF;
  margin-top: 0;
}

.page-gioi-thieu__faq-answer p {
  margin: 12px 0 0;
  line-height: 1.6;
}

/* Commit & About */
.page-gioi-thieu__commitment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.page-gioi-thieu__commitment-photo,
.page-gioi-thieu__about-photo {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 16px;
}

.page-gioi-thieu__about-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-gioi-thieu__about-list {
  margin: 20px 0;
  padding-left: 20px;
}

.page-gioi-thieu__about-text {
  margin-bottom: 8px;
  line-height: 1.5;
}

.page-gioi-thieu__text-link {
  color: #2F6BFF;
  text-decoration: none;
  font-weight: 600;
}

.page-gioi-thieu__live-section {
  text-align: center;
  padding: 20px 0;
}

.page-gioi-thieu__live-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  margin: 20px 0;
  box-sizing: border-box;
  max-width: 100%;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .page-gioi-thieu__features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-gioi-thieu__logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-gioi-thieu__about-grid {
    grid-template-columns: 1fr;
  }
  .page-gioi-thieu__commitment-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-gioi-thieu {
    overflow-x: hidden;
    padding: 0;
  }
  .page-gioi-thieu__container {
    padding: 0 12px;
  }
  .page-gioi-thieu__hero-banner {
    padding-top: 8px;
  }
  .page-gioi-thieu__hero-image {
    aspect-ratio: 2 / 1;
    border-radius: 8px;
  }
  .page-gioi-thieu__hero-title {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .page-gioi-thieu__section-title {
    font-size: 26px;
  }
  .page-gioi-thieu__stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .page-gioi-thieu__features-grid {
    grid-template-columns: 1fr;
  }
  .page-gioi-thieu__logos-grid {
    grid-template-columns: 1fr;
  }
  .page-gioi-thieu__step-item {
    flex-direction: column;
  }
  .page-gioi-thieu__step-image {
    width: 100%;
  }
  .page-gioi-thieu__step-content {
    width: 100%;
  }
  .page-gioi-thieu__cta-section,
  .page-gioi-thieu__container {
    margin-left: 8px;
    margin-right: 8px;
  }
  .page-gioi-thieu img {
    max-width: 100% !important;
    height: auto !important;
    aspect-ratio: auto !important;
  }
  .page-gioi-thieu__cta-buttons,
  .page-gioi-thieu__live-buttons {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  .page-gioi-thieu__cta-button,
  .page-gioi-thieu__live-buttons .page-gioi-thieu__cta-button {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    width: 100%;
    text-align: center;
    padding-left: 12px;
    padding-right: 12px;
  }
  .page-gioi-thieu__stat-label {
    font-size: 12px;
  }
}