.page-index-gioi-thieu-betvip {
  font-family: 'Arial', sans-serif;
  color: #1F2D3D;
  background-color: #F4F7FB;
  line-height: 1.6;
}

.page-index-gioi-thieu-betvip__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-index-gioi-thieu-betvip__article-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-index-gioi-thieu-betvip__top-section {
  padding-top: 10px; /* Aligned with shared.css body padding-top */
  padding-bottom: 60px;
  text-align: center;
  background-color: #F4F7FB;
}

.page-index-gioi-thieu-betvip__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #1F2D3D;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-index-gioi-thieu-betvip__intro-text {
  font-size: 1.1rem;
  color: #1F2D3D;
  max-width: 900px;
  margin: 0 auto 30px auto;
}

.page-index-gioi-thieu-betvip__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-index-gioi-thieu-betvip__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-index-gioi-thieu-betvip__btn--primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.3);
}

.page-index-gioi-thieu-betvip__btn--primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.4);
}

.page-index-gioi-thieu-betvip__btn--secondary {
  background-color: #FFFFFF;
  color: #2F6BFF;
  border: 2px solid #D6E2FF;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-index-gioi-thieu-betvip__btn--secondary:hover {
  background-color: #F4F7FB;
  border-color: #2F6BFF;
  color: #2F6BFF;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.page-index-gioi-thieu-betvip__btn--link {
  background: none;
  color: #2F6BFF;
  border: none;
  padding: 8px 15px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: underline;
}

.page-index-gioi-thieu-betvip__btn--link:hover {
  color: #4A8BFF;
  text-decoration: none;
}

.page-index-gioi-thieu-betvip__section {
  padding: 60px 0;
}

.page-index-gioi-thieu-betvip__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-index-gioi-thieu-betvip__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2F6BFF, #6FA3FF);
  margin: 15px auto 0 auto;
  border-radius: 2px;
}

.page-index-gioi-thieu-betvip__section-title--light {
  color: #FFFFFF;
}

.page-index-gioi-thieu-betvip__section-title--light::after {
  background: linear-gradient(90deg, #A5C4FF, #FFFFFF);
}

.page-index-gioi-thieu-betvip__text-block {
  font-size: 1rem;
  margin-bottom: 25px;
  color: #1F2D3D;
}

.page-index-gioi-thieu-betvip__text-block--light {
  color: #FFFFFF;
}

.page-index-gioi-thieu-betvip__sub-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 600;
  color: #2F6BFF;
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-index-gioi-thieu-betvip__list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-index-gioi-thieu-betvip__list-item {
  font-size: 1rem;
  margin-bottom: 12px;
  padding-left: 30px;
  position: relative;
  color: #1F2D3D;
}

.page-index-gioi-thieu-betvip__list-item::before {
  content: '✔';
  color: #2F6BFF;
  position: absolute;
  left: 0;
  top: 0;
  font-weight: bold;
}

.page-index-gioi-thieu-betvip__figure {
  margin: 40px auto;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.page-index-gioi-thieu-betvip__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.page-index-gioi-thieu-betvip__figcaption {
  font-size: 0.9rem;
  color: #555;
  margin-top: 15px;
  padding: 0 10px;
}

.page-index-gioi-thieu-betvip__feature-grid, .page-index-gioi-thieu-betvip__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
  margin-bottom: 40px;
}

.page-index-gioi-thieu-betvip__feature-card,
.page-index-gioi-thieu-betvip__step-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.page-index-gioi-thieu-betvip__feature-card:hover,
.page-index-gioi-thieu-betvip__step-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.page-index-gioi-thieu-betvip__card-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #2F6BFF;
  margin-bottom: 15px;
}

.page-index-gioi-thieu-betvip__card-text {
  font-size: 0.95rem;
  color: #1F2D3D;
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-index-gioi-thieu-betvip__dark-bg {
  background-color: #2F6BFF;
  color: #FFFFFF;
}

.page-index-gioi-thieu-betvip__dark-bg .page-index-gioi-thieu-betvip__text-block,
.page-index-gioi-thieu-betvip__dark-bg .page-index-gioi-thieu-betvip__list-item {
  color: #FFFFFF;
}

.page-index-gioi-thieu-betvip__dark-bg .page-index-gioi-thieu-betvip__list-item::before {
  color: #A5C4FF;
}

.page-index-gioi-thieu-betvip__conclusion {
  padding: 80px 0;
  background-color: #2F6BFF;
  text-align: center;
}

.page-index-gioi-thieu-betvip__conclusion .page-index-gioi-thieu-betvip__section-title {
  color: #FFFFFF;
}

.page-index-gioi-thieu-betvip__conclusion .page-index-gioi-thieu-betvip__text-block {
  color: #FFFFFF;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .page-index-gioi-thieu-betvip {
    font-size: 15px;
    line-height: 1.55;
  }

  /* 1. 顶区标题 + 双 CTA */
  .page-index-gioi-thieu-betvip__top-section {
    padding-top: 10px !important; /* Fixed header spacing */
    padding-bottom: 40px;
  }

  .page-index-gioi-thieu-betvip__container,
  .page-index-gioi-thieu-betvip__article-wrap {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-index-gioi-thieu-betvip__main-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
  }

  .page-index-gioi-thieu-betvip__intro-text {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-index-gioi-thieu-betvip__cta-buttons {
    flex-direction: column; /* Buttons stack vertically */
    gap: 10px;
  }

  /* 4. 按钮与按钮容器 */
  .page-index-gioi-thieu-betvip__btn,
  .page-index-gioi-thieu-betvip__btn--primary,
  .page-index-gioi-thieu-betvip__btn--secondary,
  .page-index-gioi-thieu-betvip a[class*="button"],
  .page-index-gioi-thieu-betvip 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;
    padding-right: 15px;
  }

  .page-index-gioi-thieu-betvip__cta-buttons,
  .page-index-gioi-thieu-betvip__button-group,
  .page-index-gioi-thieu-betvip__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-index-gioi-thieu-betvip__btn--link {
    padding: 8px 0;
  }

  /* 2. 单栏长文容器 */
  .page-index-gioi-thieu-betvip__section {
    padding: 40px 0;
  }

  .page-index-gioi-thieu-betvip__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .page-index-gioi-thieu-betvip__sub-title {
    font-size: 1.6rem;
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-index-gioi-thieu-betvip__text-block,
  .page-index-gioi-thieu-betvip__list-item,
  .page-index-gioi-thieu-betvip__card-text {
    font-size: 0.95rem;
  }

  .page-index-gioi-thieu-betvip__list-item {
    padding-left: 25px;
  }

  .page-index-gioi-thieu-betvip__feature-grid,
  .page-index-gioi-thieu-betvip__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .page-index-gioi-thieu-betvip__feature-card,
  .page-index-gioi-thieu-betvip__step-card {
    padding: 25px;
  }

  .page-index-gioi-thieu-betvip__card-title {
    font-size: 1.2rem;
  }

  /* 3. 通用图片与 figure */
  .page-index-gioi-thieu-betvip img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 8px;
  }

  .page-index-gioi-thieu-betvip__figure {
    margin: 30px auto;
    border-radius: 8px;
  }

  .page-index-gioi-thieu-betvip__figcaption {
    font-size: 0.85rem;
    margin-top: 10px;
  }

  /* 5. 注册教程与 FAQ 区块 (steps grid acts as tutorial) */
  .page-index-gioi-thieu-betvip__step-card {
    align-items: center;
    text-align: center;
  }
  .page-index-gioi-thieu-betvip__step-card .page-index-gioi-thieu-betvip__card-title {
    text-align: center;
  }
  .page-index-gioi-thieu-betvip__step-card .page-index-gioi-thieu-betvip__card-text {
    text-align: center;
  }

  .page-index-gioi-thieu-betvip__conclusion {
    padding: 50px 0;
  }
}