/* style/index.css */

:root {
  --page-index-dark-bg: #252b38;
  --page-index-blog-card-bg: #181b1f;
  --page-index-title-gold: #ed9107;
  --page-index-text-main: #F3F8FF;
  --page-index-text-secondary: #AFC4E8;
  --page-index-border: #244D84;
  --page-index-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --page-index-button-secondary-bg: #10233F;
  --page-index-divider: #1B3357;
}

.page-index {
  color: var(--page-index-text-main);
  background-color: var(--page-index-dark-bg);
}

.page-index__section-title {
  font-weight: 700;
  color: var(--page-index-title-gold);
  margin-bottom: 30px;
  text-align: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-index__section-title--center {
  font-size: clamp(2rem, 4.5vw, 2.75rem); /* Adjusted for h1 */
  line-height: 1.2;
  margin-top: 20px;
  margin-bottom: 40px;
}

.page-index__section-title--normal {
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  line-height: 1.3;
  margin-bottom: 30px;
}

.page-index__section-title b {
  display: block;
  width: 50px;
  height: 2px;
  background-color: var(--page-index-divider);
  margin: 0 15px;
}

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

/* Module 0: Hero Banner */
.page-index__hero-section {
  padding-top: 10px; /* Rely on body padding for header offset */
  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 size requirement */
  min-height: 200px;
}

/* Module 1: Dark Intro Section */
.page-index__intro-section {
  background-color: var(--page-index-dark-bg);
  padding: 40px 20px;
  text-align: center;
}

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

.page-index__intro-quote {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--page-index-text-secondary);
  margin: 0 auto 30px;
  max-width: 900px;
  padding: 0 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: 0;
}

.page-index__btn-primary,
.page-index__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  max-width: 100%; /* Button responsive */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__btn-primary {
  background: var(--page-index-button-gradient);
  color: #ffffff;
  border: none;
}

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

.page-index__btn-secondary {
  background: var(--page-index-button-secondary-bg);
  color: var(--page-index-title-gold);
  border: 1px solid var(--page-index-title-gold);
}

.page-index__btn-secondary:hover {
  background: var(--page-index-title-gold);
  color: var(--page-index-button-secondary-bg);
  border-color: var(--page-index-title-gold);
  transform: translateY(-2px);
}

/* Module 2: FAQ Section */
.page-index__faq-section {
  background-color: var(--page-index-dark-bg);
  padding: 40px 20px;
}

.page-index__faq-container {
  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 var(--page-index-border);
  overflow: hidden;
  background: var(--page-index-blog-card-bg);
}

details.page-index__faq-item summary.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: var(--page-index-text-main);
}

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(var(--page-index-title-gold), 0.1);
}

.page-index__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
}

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

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 20px 20px;
  background: rgba(var(--page-index-title-gold), 0.05);
  border-radius: 0 0 8px 8px;
  color: var(--page-index-text-secondary);
  line-height: 1.6;
}

/* Module 3: Blog Section */
.page-index__blog-section {
  background-color: var(--page-index-dark-bg);
  padding: 40px 20px;
}

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

.page-index__blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.page-index__blog-card {
  background: var(--page-index-blog-card-bg);
  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;
}

.page-index__blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px 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; /* Min size requirement */
  min-height: 200px;
}

.page-index__blog-date {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--page-index-title-gold);
  color: var(--page-index-blog-card-bg);
  padding: 8px 10px;
  border-radius: 5px;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  line-height: 1;
}

.page-index__blog-day {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 2px;
}

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

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

.page-index__blog-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--page-index-text-main);
  margin-top: 0;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-index__blog-excerpt {
  font-size: 0.95rem;
  color: var(--page-index-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.page-index__view-all-button-container {
  text-align: center;
  margin-top: 50px;
  padding-bottom: 20px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-index__section-title--center {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
  }
  .page-index__section-title--normal {
    font-size: clamp(1.6rem, 3.5vw, 2rem);
  }
  .page-index__blog-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

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

@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;
  }
  .page-index__hero-banner img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* 深色导语区 */
  .page-index__intro-section {
    padding: 25px 15px !important;
  }
  .page-index__intro-inner {
    padding: 0 5px;
  }
  .page-index__section-title--center {
    font-size: clamp(1.5rem, 6vw, 2rem) !important;
    margin-top: 15px;
    margin-bottom: 30px;
  }
  .page-index__intro-quote {
    font-size: 1rem;
    line-height: 1.6;
    padding: 0;
  }
  .page-index__intro-links {
    flex-direction: column;
    gap: 10px;
  }

  /* 博客网格 */
  .page-index__blog-section {
    padding: 25px 15px !important;
  }
  .page-index__blog-grid {
    grid-template-columns: 1fr !important; /* Mobile: 1 column */
    gap: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__blog-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !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__blog-container,
  .page-index__faq-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 按钮与按钮容器 */
  .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__cta-buttons,
  .page-index__button-group,
  .page-index__btn-container,
  .page-index__intro-links {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column; /* Ensure vertical stacking for buttons */
  }

  /* FAQ 与其他模块 */
  .page-index__faq-section {
    padding: 25px 15px !important;
  }
  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px !important;
  }
  .page-index__faq-qtext {
    font-size: 1rem !important;
  }
  .page-index__faq-toggle {
    font-size: 20px !important;
    width: 24px !important;
    height: 24px !important;
  }
  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 15px 15px !important;
  }
  .page-index__section-title b {
    width: 30px;
    margin: 0 10px;
  }
  .page-index__blog-title {
    font-size: 1.1rem;
  }
  .page-index__blog-excerpt {
    font-size: 0.9rem;
  }
}

@media (max-width: 549px) {
  .page-index__blog-grid {
    grid-template-columns: 1fr !important;
  }
}