:root {
  --primary-color: #2F6BFF;
  --secondary-color: #6FA3FF;
  --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  --card-bg: #FFFFFF;
  --background-color: #F4F7FB;
  --text-main: #1F2D3D;
  --text-black: #000000;
  --border-color: #D6E2FF;
  --glow-color: #A5C4FF;
  --accent-color: #ff9900; /* For blockquote highlight */
}

.page-index {
  padding-top: 10px; /* Small top padding for first section */
  background-color: var(--background-color);
  color: var(--text-main);
  line-height: 1.6;
}

.page-index__hero-slider {
  width: 100%;
  overflow: hidden;
  position: relative;
  max-width: 1920px; /* Max width for hero section */
  margin: 0 auto 40px auto;
}

.page-index__slider-container {
  display: flex;
  transition: transform 0.5s ease-in-out;
  position: relative;
  width: 100%;
}

.page-index__slide {
  min-width: 100%;
  box-sizing: border-box;
  flex-shrink: 0;
}

.page-index__slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-index__slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  padding: 15px 10px;
  cursor: pointer;
  z-index: 10;
  font-size: 24px;
  line-height: 1;
  border-radius: 5px;
}

.page-index__slider-nav--prev {
  left: 10px;
}

.page-index__slider-nav--next {
  right: 10px;
}

.page-index__slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.page-index__slider-dot {
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-index__slider-dot--active {
  background-color: #fff;
}

.page-index__section-title-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
  padding: 0 20px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__title-line {
  flex-grow: 1;
  height: 2px;
  background-color: var(--border-color);
  margin: 0 20px;
  max-width: 150px;
}

.page-index__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-black);
  text-align: center;
  max-width: 800px;
  /* Using clamp for responsive font size, but not overly large */
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.page-index__category-gateway {
  max-width: 1200px;
  margin: 0 auto 60px auto;
  padding: 0 20px;
}

.page-index__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  justify-content: center;
}

.page-index__category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-black);
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 200px; /* Ensure card content is not too small */
}

.page-index__category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.page-index__category-card img {
  width: 100%;
  height: 100%; /* Occupy full height of card, object-fit will handle ratio */
  object-fit: cover;
  display: block;
  border-radius: 12px 12px 0 0;
  transition: filter 0.3s ease;
  min-height: 200px; /* Min image size */
}

.page-index__category-card:hover img {
  filter: brightness(1.05);
}

.page-index__category-label {
  padding: 15px 10px;
  font-weight: 600;
  font-size: 1.1rem;
  text-align: center;
  width: 100%;
  background-color: var(--card-bg);
  color: var(--text-main);
}

.page-index__article-body {
  max-width: 900px;
  margin: 0 auto 60px auto;
  padding: 0 20px;
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  padding: 40px;
}

.page-index__blockquote {
  border-left: 5px solid var(--accent-color);
  padding-left: 20px;
  margin: 30px 0;
  font-style: italic;
  color: var(--text-main);
  background-color: var(--background-color);
  padding: 20px;
  border-radius: 8px;
}

.page-index__blockquote a {
  color: var(--primary-color);
  text-decoration: none;
}

.page-index__blockquote a:hover {
  text-decoration: underline;
}

.page-index__article-heading {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-black);
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-index__article-subheading {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-index__article-body p {
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-index__article-body ul {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-index__article-body li {
  margin-bottom: 8px;
}

.page-index__article-figure {
  margin: 40px 0;
  text-align: center;
}

.page-index__article-figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  min-width: 200px; /* Ensure content images are not too small */
  min-height: 200px; /* Ensure content images are not too small */
}

.page-index__article-figure figcaption {
  margin-top: 10px;
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
}

.page-index__article-body a {
  color: var(--primary-color);
  text-decoration: none;
}

.page-index__article-body a:hover {
  text-decoration: underline;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-index__category-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-index__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-index__title-line {
    margin: 0 10px;
    max-width: 80px;
  }

  .page-index__category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .page-index__article-body {
    padding: 25px;
  }

  .page-index__article-heading {
    font-size: 1.8rem;
  }

  .page-index__article-subheading {
    font-size: 1.4rem;
  }

  /* Mobile image overflow prevention */
  .page-index__article-body img,
  .page-index__category-card img,
  .page-index__hero-slider img {
    max-width: 100%;
    height: auto;
  }

  .page-index__hero-slider {
    margin-bottom: 20px;
  }

  .page-index__section-title-container {
    margin-bottom: 20px;
  }

  .page-index__category-gateway {
    margin-bottom: 40px;
  }

  .page-index__article-body {
    margin-bottom: 40px;
  }

  .page-index__slider-nav {
    padding: 10px 8px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .page-index__category-grid {
    grid-template-columns: 1fr; /* Single column on very small screens */
  }

  .page-index__article-body {
    padding: 15px;
  }

  .page-index__main-title {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  .page-index__title-line {
    display: none; /* Hide lines on very small screens */
  }
}