.page-index {
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
  padding-left: 12px;
  padding-right: 12px;
  background-color: #F4F7FB; /* Background color */
  color: #1F2D3D; /* Text Main */
}

.page-index__hero-banner {
  width: 100%;
  margin: 0;
  overflow: hidden;
  padding-top: 10px; /* Small top padding for first section */
}

.page-index__hero-banner img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 5; /* 1920x600 is 16:5 */
  object-fit: cover;
  object-position: center;
}

.page-index__section-title-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 40px auto;
  max-width: 1200px;
  text-align: center;
}

.page-index__decoration-line {
  flex-grow: 1;
  height: 2px;
  background: linear-gradient(to right, #D6E2FF, #2F6BFF); /* Border color and Main color */
  margin: 0 20px;
  max-width: 150px;
}

.page-index__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #000000; /* Custom Color_1776249996415 */
  margin: 0;
  padding: 0;
  text-transform: uppercase;
  font-size: clamp(1.5rem, 4.5vw, 2.5rem); /* Using clamp for H1 */
}

.page-index__category-gateway {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr); /* Mobile default: 3 rows x 2 columns */
  margin: 40px auto;
  max-width: 1200px;
}

.page-index__category-card {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  background-color: #FFFFFF; /* Card BG */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-index__category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-index__category-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  filter: none; /* Prohibit grayscale */
  transition: transform 0.2s ease;
  min-width: 200px; /* Global image min size */
  min-height: 200px; /* Global image min size */
}

.page-index__article-body {
  max-width: 800px;
  margin: 40px auto;
  line-height: 1.8;
  font-size: 16px;
  color: #1F2D3D; /* Text Main */
}

.page-index__blockquote {
  border-left: 5px solid #2F6BFF; /* Main color */
  padding-left: 20px;
  margin: 20px 0;
  font-style: italic;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background color, to ensure contrast */
}

.page-index__blockquote p {
  margin: 0;
}

.page-index__section-heading {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  color: #000000; /* Custom Color_1776249996415 */
  margin-top: 40px;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index__sub-heading {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: #000000; /* Custom Color_1776249996415 */
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-index__article-body p {
  margin-bottom: 1em;
}

.page-index__article-figure {
  margin: 30px 0;
  text-align: center;
}

.page-index__article-figure.page-index__aligncenter {
  margin-left: auto;
  margin-right: auto;
  display: block; /* Ensure figure is block for auto margins */
}

.page-index__article-figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-left: auto;
  margin-right: auto;
  min-width: 200px; /* Global image min size */
  min-height: 200px; /* Global image min size */
}

.page-index__article-figure figcaption {
  font-size: 0.9em;
  color: #1F2D3D; /* Text Main */
  margin-top: 10px;
}

.page-index__guide-list,
.page-index__promo-list {
  list-style-type: none;
  padding: 0;
  margin: 20px 0;
}

.page-index__guide-list li,
.page-index__promo-list li {
  background-color: #FFFFFF; /* Card BG */
  border: 1px solid #D6E2FF; /* Border color */
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.page-index__guide-list li p,
.page-index__promo-list li p {
  margin: 0;
}

.page-index__article-body a {
  color: #2F6BFF; /* Main color for links */
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-index__article-body a:hover {
  color: #6FA3FF; /* Accent color on hover */
  text-decoration: underline;
}

.page-index__article-body button,
.page-index__article-body a[href^="https://ads.win2026vn.com/"] {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button color */
  color: #FFFFFF;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-index__article-body button:hover,
.page-index__article-body a[href^="https://ads.win2026vn.com/"]:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%); /* Slightly darker on hover */
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

/* Responsive adjustments */
@media (max-width: 849px) {
  .page-index__section-title-container {
    flex-direction: column;
    margin: 30px auto;
  }
  .page-index__decoration-line {
    display: none; /* Hide lines on smaller screens */
  }
  .page-index__main-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    padding: 0 10px;
  }
  .page-index__category-gateway {
    grid-template-columns: repeat(2, 1fr); /* 2 columns for mobile */
    margin: 30px auto;
  }
  .page-index__article-body {
    padding: 0 10px;
  }
  .page-index__section-heading {
    font-size: clamp(1.2rem, 5vw, 1.8rem);
  }
  .page-index__sub-heading {
    font-size: clamp(1rem, 4vw, 1.3rem);
  }
}

@media (max-width: 768px) {
  .page-index img {
    max-width: 100%;
    height: auto;
  }
}

@media (max-width: 549px) {
  .page-index {
    padding-left: 8px;
    padding-right: 8px;
  }
  .page-index__main-title {
    font-size: clamp(1.2rem, 7vw, 1.8rem);
  }
  .page-index__category-gateway {
    gap: 8px;
    margin: 20px auto;
  }
  .page-index__article-body {
    padding: 0 5px;
    line-height: 1.7;
    font-size: 15px;
  }
  .page-index__blockquote {
    padding-left: 15px;
    margin: 15px 0;
  }
  .page-index__guide-list li,
  .page-index__promo-list li {
    padding: 15px;
    margin-bottom: 10px;
  }
}