:root {
  --primary-color: #C91F17;
  --secondary-color: #E53935;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --card-bg: #D32F2F;
  --background-main: #B71C1C;
  --text-main: #FFF5E1;
  --border-color: #F2B544;
  --glow-color: #FFCC66;
  --gold-color: #F4D34D;
  --deep-red: #7A0E0E;

  /* Specific module colors */
  --dark-section-bg: #252b38;
  --blog-card-bg: #181b1f;
  --title-accent-color: #ed9107;
}

.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default for light sections */
}

.page-index__hero-section {
  padding-top: 10px; /* Specific 10px top padding for hero */
  width: 100%;
  overflow: hidden;
}

.page-index__hero-banner {
  width: 100%;
  overflow: hidden;
}

.page-index__hero-banner img {
  width: 100%;
  height: auto;
  display: block;
  min-width: 200px;
  min-height: 200px;
}

.page-index__intro-section {
  background: var(--dark-section-bg);
  padding: 40px 20px;
  color: var(--text-main); /* Light text on dark background */
}

.page-index__intro-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.page-index__section-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--title-accent-color);
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.2;
}

.page-index__section-title--center b {
  display: block;
  flex-grow: 1;
  height: 2px;
  background: var(--title-accent-color);
  margin: 0 15px;
}

.page-index__section-title--normal b {
  display: block;
  flex-grow: 1;
  height: 2px;
  background: var(--title-accent-color);
  margin: 0 15px;
}

.page-index__section-title span {
  white-space: nowrap;
}

.page-index__intro-quote {
  font-size: 18px;
  line-height: 1.8;
  margin: 0 auto 30px;
  max-width: 900px;
  padding: 0 20px;
  color: var(--text-main);
}

.page-index__intro-quote p {
  margin-bottom: 15px;
}

.page-index__intro-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-index__intro-links li {
  margin-bottom: 0;
}

.page-index__intro-links a {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  min-width: 150px;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(255, 216, 106, 0.4);
}

.page-index__btn-primary:hover {
  background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
  box-shadow: 0 6px 20px rgba(255, 216, 106, 0.6);
}

.page-index__btn-secondary {
  background: var(--deep-red);
  color: var(--text-main);
  border: 2px solid var(--border-color);
}

.page-index__btn-secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.page-index__btn-tertiary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--text-main);
}

.page-index__btn-tertiary:hover {
  background: var(--text-main);
  color: var(--dark-section-bg);
  border-color: var(--text-main);
}

.page-index__faq-section {
  background: #ffffff; /* Light background for contrast */
  padding: 40px 20px;
  color: #333333; /* Dark text on light background */
}

.page-index__faq-inner {
  max-width: 900px;
  margin: 0 auto;
}

.page-index__faq-list {
  margin-top: 30px;
}

details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #f9f9f9;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

details.page-index__faq-item summary.page-index__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 0.3s ease;
  font-size: 18px;
  font-weight: 600;
  color: #333333;
}

details.page-index__faq-item summary.page-index__faq-question::-webkit-details-marker {
  display: none;
}

details.page-index__faq-item summary.page-index__faq-question:hover {
  background: #f0f0f0;
  color: var(--primary-color);
}

.page-index__faq-qtext {
  flex: 1;
  line-height: 1.5;
  text-align: left;
}

.page-index__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
  transition: transform 0.3s ease;
}

details.page-index__faq-item[open] .page-index__faq-toggle {
  transform: rotate(45deg);
}

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 25px 20px;
  background: #ffffff;
  border-top: 1px solid #eee;
  border-radius: 0 0 8px 8px;
  font-size: 16px;
  line-height: 1.7;
  color: #555555;
}

.page-index__blog-section {
  background: var(--dark-section-bg);
  padding: 60px 20px;
  color: var(--text-main);
}

.page-index__blog-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.page-index__blog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.page-index__blog-card {
  background: var(--blog-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.page-index__blog-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.page-index__blog-media {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.page-index__blog-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
  min-width: 200px;
  min-height: 200px;
}

.page-index__blog-card:hover .page-index__blog-media img {
  transform: scale(1.05);
}

.page-index__blog-date {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--button-gradient);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  line-height: 1.2;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.page-index__blog-day {
  display: block;
  font-size: 18px;
}

.page-index__blog-month {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
}

.page-index__blog-body {
  padding: 20px;
  background: var(--blog-card-bg);
  color: var(--text-main);
}

.page-index__blog-title {
  font-size: 20px;
  font-weight: bold;
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--text-main);
  transition: color 0.3s ease;
}

.page-index__blog-card-link:hover .page-index__blog-title {
  color: var(--title-accent-color);
}

.page-index__blog-excerpt {
  font-size: 15px;
  line-height: 1.6;
  color: #ccc;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-index__copyright-info {
  background: #111111;
  color: #aaaaaa;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

.page-index__copyright-info p {
  margin: 0;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-index__section-title {
    font-size: 32px;
  }
  .page-index__intro-quote {
    font-size: 17px;
  }
  .page-index__blog-grid {
    gap: 25px;
  }
  .page-index__blog-title {
    font-size: 18px;
  }
  .page-index__blog-excerpt {
    font-size: 14px;
  }
}

@media (max-width: 849px) {
  .page-index__blog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-index__hero-section {
    padding-top: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  /* 深色导语区 */
  .page-index__intro-section {
    padding: 24px 16px !important;
  }
  .page-index__section-title {
    font-size: clamp(1.75rem, 4.5vw, 2.5rem) !important; /* Adjusted clamp for h1 */
    margin-bottom: 20px;
  }
  .page-index__section-title--center b {
    margin: 0 10px;
  }
  .page-index__intro-quote {
    font-size: 16px !important;
    padding: 0 10px;
    margin-bottom: 20px;
  }
  .page-index__intro-links {
    flex-direction: column;
    gap: 10px;
    padding: 0 10px;
  }
  .page-index__intro-links a {
    width: 100% !important;
    max-width: 100% !important;
    padding: 10px 15px;
    font-size: 15px;
  }

  /* FAQ 手风琴 */
  .page-index__faq-section {
    padding: 30px 16px !important;
  }
  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px !important;
    font-size: 16px !important;
  }
  .page-index__faq-toggle {
    font-size: 24px !important;
    width: 24px;
  }
  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 15px 15px !important;
    font-size: 15px;
  }

  /* 博客网格 */
  .page-index__blog-section {
    padding: 30px 16px !important;
  }
  .page-index__blog-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
    margin-top: 25px;
  }
  .page-index__blog-title {
    font-size: 18px !important;
  }
  .page-index__blog-excerpt {
    font-size: 14px !important;
  }

  /* 通用图片与容器 */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__intro-inner,
  .page-index__faq-inner,
  .page-index__blog-inner {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
  }

  /* 按钮与按钮容器 */
  .page-index__intro-links a,
  .page-index a[class*="button"],
  .page-index 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__intro-links,
  .page-index__button-group,
  .page-index__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__intro-links {
    display: flex;
    flex-direction: column;
  }

  /* 其他模块 */
  .page-index__copyright-info {
    padding: 15px;
    font-size: 13px;
  }
}

@media (max-width: 549px) {
  .page-index__blog-grid {
    grid-template-columns: 1fr !important;
  }
  .page-index__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem) !important;
  }
  .page-index__intro-quote {
    font-size: 15px !important;
  }
  .page-index__blog-title {
    font-size: 16px !important;
  }
  .page-index__blog-excerpt {
    font-size: 13px !important;
  }
}