.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-text-main, #F2FFF6);
  background-color: var(--page-bg, #08160F);
}

.page-index__section-title {
  text-align: center;
  font-size: 2.2em;
  font-weight: bold;
  color: var(--gold-color, #F2C14E);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.page-index__section-title b {
  display: block;
  width: 50px;
  height: 2px;
  background: var(--divider-color, #1E3A2A);
}

.page-index__section-title--center {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem); /* H1 specific clamp */
  color: var(--gold-color, #F2C14E);
  margin-bottom: 30px;
}

.page-index__section-title--normal {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--text-main, #F2FFF6);
  margin-bottom: 30px;
}

/* Module 0: Hero Section */
.page-index__hero-section {
  padding-top: 10px;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

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

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

/* Module 1: Intro Section */
.page-index__intro-section {
  background: var(--custom-dark-bg, #252b38);
  padding: 60px 20px;
  color: var(--text-main, #F2FFF6);
  text-align: center;
}

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

.page-index__intro-quote {
  font-size: 1.1em;
  margin: 0 auto 30px;
  max-width: 800px;
  line-height: 1.8;
  color: var(--text-secondary, #A7D9B8);
}

.page-index__intro-quote p {
  margin: 0;
}

.page-index__intro-cta-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-index__cta-button {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-index__cta-button--primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: var(--text-main, #F2FFF6);
  border: none;
}

.page-index__cta-button--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-index__cta-button--secondary {
  background: transparent;
  color: var(--glow-color, #57E38D);
  border: 2px solid var(--border-color, #2E7A4E);
}

.page-index__cta-button--secondary:hover {
  background: rgba(46, 122, 78, 0.2);
  color: var(--text-main, #F2FFF6);
}

/* Module 2: FAQ Section */
.page-index__faq-section {
  padding: 60px 20px;
  background-color: var(--page-bg, #08160F);
}

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

details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color, #2E7A4E);
  overflow: hidden;
  background: var(--card-bg, #11271B);
  color: var(--text-secondary, #A7D9B8);
}

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: var(--text-main, #F2FFF6);
  font-weight: 600;
}

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: rgba(46, 122, 78, 0.2);
}

.page-index__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  line-height: 1.5;
  text-align: left;
}

.page-index__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--gold-color, #F2C14E);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 25px 20px;
  background: var(--deep-green-color, #0A4B2C);
  border-radius: 0 0 8px 8px;
  color: var(--text-secondary, #A7D9B8);
}

details.page-index__faq-item[open] summary.page-index__faq-question {
  background: rgba(46, 122, 78, 0.3);
}

/* Module 3: Blog Section */
.page-index__blog-section {
  background: var(--custom-dark-bg, #252b38);
  padding: 60px 20px;
  color: var(--text-main, #F2FFF6);
}

.page-index__blog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-index__blog-card {
  background: var(--card-bg, #11271B);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-width: 200px; /* Ensure cards are not too small */
}

.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;
  min-width: 200px; /* Enforce min size */
  min-height: 200px;
}

.page-index__blog-date {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--gold-color, #F2C14E);
  color: #000;
  padding: 5px 8px;
  border-radius: 5px;
  font-size: 0.8em;
  font-weight: bold;
  text-align: center;
  line-height: 1;
}

.page-index__blog-day {
  display: block;
  font-size: 1.2em;
}

.page-index__blog-month {
  display: block;
  text-transform: uppercase;
}

.page-index__blog-body {
  padding: 20px;
}

.page-index__blog-title {
  font-size: 1.2em;
  font-weight: bold;
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--text-main, #F2FFF6);
}

.page-index__blog-title:hover {
  color: var(--glow-color, #57E38D);
}

.page-index__blog-excerpt {
  font-size: 0.95em;
  color: var(--text-secondary, #A7D9B8);
  margin-bottom: 0;
}

/* General image responsiveness */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
  box-sizing: border-box;
}

/* General container responsiveness */
.page-index__hero-section,
.page-index__intro-section,
.page-index__faq-section,
.page-index__blog-section,
.page-index__intro-inner,
.page-index__faq-container,
.page-index__blog-grid {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

/* Media Queries */
@media (max-width: 1024px) {
  .page-index__blog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@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: 30px 15px !important;
  }
  .page-index__section-title--center {
    font-size: clamp(1.5rem, 6vw, 2rem) !important;
    margin-bottom: 20px !important;
  }
  .page-index__intro-quote {
    font-size: 1em !important;
    margin-bottom: 20px !important;
  }
  .page-index__intro-cta-group {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  /* 博客网格 */
  .page-index__blog-section {
    padding: 30px 15px !important;
  }
  .page-index__blog-grid {
    grid-template-columns: 1fr !important;
    gap: 15px !important;
  }
  .page-index__blog-card {
    width: 100% !important;
  }
  .page-index__blog-media img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* 通用图片与容器 */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }
  .page-index__hero-section,
  .page-index__intro-section,
  .page-index__faq-section,
  .page-index__blog-section,
  .page-index__intro-inner,
  .page-index__faq-container,
  .page-index__blog-grid,
  .page-index__blog-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-index__hero-section { padding-left: 0; padding-right: 0; } /* Hero banner is full width */

  /* 按钮与按钮容器 */
  .page-index__cta-button,
  .page-index__btn-primary,
  .page-index__btn-secondary,
  .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-cta-group {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  /* FAQ 与其他模块 */
  .page-index__faq-section {
    padding: 30px 15px !important;
  }
  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px !important;
    flex-wrap: wrap;
  }
  .page-index__faq-qtext {
    font-size: 1em !important;
    width: calc(100% - 40px);
  }
  .page-index__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 15px 15px !important;
  }
  .page-index__section-title {
    font-size: 1.8em !important;
    margin-bottom: 25px !important;
  }
  .page-index__section-title b {
    width: 30px;
  }
}

@media (max-width: 549px) {
  .page-index__blog-grid {
    grid-template-columns: 1fr !important;
  }
  .page-index__section-title--center {
    font-size: clamp(1.3rem, 7vw, 1.8rem) !important;
  }
  .page-index__section-title {
    font-size: 1.6em !important;
  }
}