/* ===== 首页专属样式 ===== */
.page-home {
  --hero-min-height: 520px;
  --hero-gap: 24px;
  --card-radius: 6px;
  --section-spacing: 48px;
  --trajectory-height: 120px;
}

/* --- 面包屑 --- */
.page-home .breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
}
.page-home .breadcrumb ol {
  list-style: none;
  display: flex;
  gap: var(--spacing-xs);
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--color-text-secondary);
}
.page-home .breadcrumb li + li::before {
  content: "·";
  margin: 0 var(--spacing-xs);
  color: var(--color-text-secondary);
}
.page-home .breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-home .breadcrumb a:hover {
  color: var(--color-primary);
}

/* --- 首屏分屏 --- */
.page-home .hero-split {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto var(--section-spacing);
  min-height: var(--hero-min-height);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--card-radius);
  background: var(--color-surface);
}
.page-home .hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}
.page-home .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,26,0.92) 40%, rgba(26,26,26,0.60) 80%);
  z-index: 1;
}
.page-home .hero-left,
.page-home .hero-right {
  position: relative;
  z-index: 2;
  padding: var(--spacing-xl) var(--spacing-md);
}
.page-home .hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-sm);
}
.page-home .hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-home .hero-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  align-self: flex-start;
  margin-bottom: var(--spacing-xs);
}
.page-home .hero-title {
  font-family: var(--font-heading);
  font-size: 36px;
  line-height: 1.05;
  color: var(--color-text);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.page-home .hero-slogan {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--color-accent);
  margin: 0;
  font-weight: 400;
}
.page-home .hero-trajectory {
  height: var(--trajectory-height);
  max-width: 100%;
  margin: var(--spacing-sm) 0;
  overflow: visible;
}
.page-home .trajectory-svg {
  width: 100%;
  height: 100%;
  display: block;
}
.page-home .trajectory-line {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: drawTrajectory 2.8s ease-out forwards;
}
.page-home .t1 { animation-delay: 0.1s; }
.page-home .t2 { animation-delay: 0.6s; }
.page-home .t3 { animation-delay: 1.2s; }
.page-home .trajectory-dot {
  opacity: 0;
  animation: dotPop 0.5s ease-out forwards;
}
.page-home .trajectory-dot:nth-child(4) { animation-delay: 2.2s; }
.page-home .trajectory-dot:nth-child(5) { animation-delay: 2.5s; }

@keyframes drawTrajectory {
  to { stroke-dashoffset: 0; }
}
@keyframes dotPop {
  0% { opacity: 0; transform: scale(0.3); }
  70% { opacity: 1; transform: scale(1.2); }
  100% { opacity: 1; transform: scale(1); }
}

.page-home .hero-desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: var(--spacing-xs) 0 0;
  max-width: 380px;
}
.page-home .hero-cta {
  align-self: flex-start;
  margin-top: var(--spacing-sm);
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 28px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background var(--transition);
}
.page-home .hero-cta:hover {
  background: var(--color-accent-hover);
}

/* 功能卡片网格 */
.page-home .feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  width: 100%;
  max-width: 520px;
}
.page-home .feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-lg) var(--spacing-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--transition), border-color var(--transition), transform var(--transition-fast);
  cursor: pointer;
  text-align: center;
}
.page-home .feature-card:hover {
  background: rgba(46,139,87,0.12);
  border-color: var(--color-primary);
  transform: translateY(-3px);
}
.page-home .feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-home .feature-icon svg {
  display: block;
}
.page-home .feature-img-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 4px;
  display: block;
}
.page-home .feature-label {
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.5px;
  color: var(--color-text);
}
.page-home .feature-brief {
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.4;
  color: var(--color-text-secondary);
  max-width: 140px;
}

/* --- 通用区块 --- */
.page-home .section-block {
  max-width: var(--max-width);
  margin: 0 auto var(--section-spacing);
  padding: var(--spacing-xl) var(--spacing-md);
}
.page-home .section-alt {
  background: var(--color-surface);
  border-radius: var(--card-radius);
  padding: var(--spacing-xl) var(--spacing-md);
  margin-left: var(--spacing-md);
  margin-right: var(--spacing-md);
}
.page-home .section-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-md);
}
.page-home .section-number {
  font-family: var(--font-heading);
  font-size: 42px;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.5;
  flex-shrink: 0;
  min-width: 60px;
}
.page-home .section-heading-group {
  flex: 1;
}
.page-home .section-title {
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1.15;
  color: var(--color-text);
  margin: 0 0 var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.page-home .section-subtitle {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* --- 站内索引案例卡片 --- */
.page-home .index-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}
.page-home .index-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-home .index-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(46,139,87,0.15);
}
.page-home .index-card-image {
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-bg);
}
.page-home .index-card-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-home .index-card-image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  background: rgba(46,139,87,0.06);
  border: 1px dashed var(--color-border-strong);
}
.page-home .placeholder-icon svg {
  display: block;
  opacity: 0.5;
}
.page-home .index-card-title {
  font-family: var(--font-heading);
  font-size: 18px;
  margin: 0;
  color: var(--color-text);
  letter-spacing: 0.3px;
}
.page-home .index-card-text {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
  flex: 1;
}
.page-home .card-link {
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  align-self: flex-start;
  transition: color var(--transition-fast);
}
.page-home .card-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* --- 热搜分区 --- */
.page-home .hot-search-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}
.page-home .hot-search-visual {
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-bg);
}
.page-home .hot-search-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-home .hot-search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
}
.page-home .hot-tag {
  display: inline-block;
  padding: 6px 18px;
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.5px;
  color: var(--color-text);
  background: rgba(255,107,53,0.10);
  border: 1px solid rgba(255,107,53,0.25);
  border-radius: 20px;
  cursor: default;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.page-home .hot-tag:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.page-home .hot-trends {
  padding: var(--spacing-sm) 0;
}
.page-home .trend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.page-home .trend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-border);
}
.page-home .trend-item:last-child {
  border-bottom: none;
}
.page-home .trend-rank {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-accent);
  min-width: 28px;
  text-align: center;
}

/* --- 版本动态 --- */
.page-home .version-display {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-items: flex-start;
}
.page-home .version-badge-large {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: linear-gradient(135deg, rgba(46,139,87,0.20), rgba(46,139,87,0.05));
  border: 2px solid var(--color-primary);
  border-radius: var(--card-radius);
}
.page-home .version-number {
  font-family: var(--font-heading);
  font-size: 48px;
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: 2px;
}
.page-home .version-label {
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
.page-home .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  width: 100%;
}
.page-home .version-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}
.page-home .version-dot {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 5px;
  position: relative;
}
.page-home .version-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(46,139,87,0.3);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.3; }
}
.page-home .version-item-content {
  flex: 1;
}
.page-home .version-item-content strong {
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--color-text);
  display: block;
  margin-bottom: 2px;
  letter-spacing: 0.3px;
}
.page-home .version-item-content p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: 0;
}

/* --- 快速入口 --- */
.page-home .quick-links {
  max-width: var(--max-width);
  margin: 0 auto var(--section-spacing);
  padding: 0 var(--spacing-md);
}
.page-home .quick-links-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.page-home .quick-link {
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 6px 16px;
  transition: color var(--transition-fast), background var(--transition-fast);
  border-radius: 2px;
}
.page-home .quick-link:hover {
  color: var(--color-text);
  background: rgba(46,139,87,0.12);
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-home {
    --hero-min-height: 480px;
    --section-spacing: 56px;
    --trajectory-height: 140px;
  }
  .page-home .hero-split {
    flex-direction: row;
    min-height: var(--hero-min-height);
  }
  .page-home .hero-left {
    flex: 1 1 42%;
    padding: var(--spacing-2xl) var(--spacing-xl);
  }
  .page-home .hero-right {
    flex: 1 1 58%;
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-2xl) var(--spacing-md);
  }
  .page-home .hero-title {
    font-size: 48px;
  }
  .page-home .hero-slogan {
    font-size: 20px;
  }
  .page-home .hero-desc {
    font-size: 16px;
  }
  .page-home .feature-grid {
    gap: var(--spacing-lg);
  }
  .page-home .feature-card {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  .page-home .feature-label {
    font-size: 16px;
  }

  /* 索引卡片 3列 */
  .page-home .index-cards {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-xl);
  }
  .page-home .index-card-image-placeholder {
    min-height: 180px;
  }

  /* 热搜三栏布局 */
  .page-home .hot-search-layout {
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-xl);
  }
  .page-home .hot-search-visual {
    grid-row: 1 / 3;
  }
  .page-home .hot-trends {
    grid-column: 2 / 3;
  }
  .page-home .hot-search-tags {
    grid-column: 2 / 3;
  }

  /* 版本动态 左右布局 */
  .page-home .version-display {
    flex-direction: row;
    gap: var(--spacing-2xl);
    align-items: flex-start;
  }
  .page-home .version-badge-large {
    flex-shrink: 0;
    min-width: 200px;
  }
  .page-home .version-number {
    font-size: 56px;
  }
  .page-home .section-number {
    font-size: 52px;
    min-width: 72px;
  }
  .page-home .section-title {
    font-size: 32px;
  }
  .page-home .section-alt {
    padding: var(--spacing-2xl) var(--spacing-xl);
    margin-left: 0;
    margin-right: 0;
  }
  .page-home .section-block {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .page-home {
    --hero-min-height: 520px;
    --trajectory-height: 160px;
  }
  .page-home .hero-title {
    font-size: 56px;
  }
  .page-home .hero-slogan {
    font-size: 22px;
  }
  .page-home .hero-left {
    padding: var(--spacing-3xl) var(--spacing-2xl);
  }
  .page-home .hero-right {
    padding: var(--spacing-3xl) var(--spacing-2xl);
  }
  .page-home .feature-grid {
    max-width: 580px;
  }
  .page-home .version-number {
    font-size: 64px;
  }
}