/* ===== 首页专属样式：page-home ===== */

.page-home {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: var(--lh-body);
  overflow-x: hidden;
}

.page-home section {
  padding: 56px 0;
}

.page-home .container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---------- 01 首屏：信息枢纽 ---------- */

.page-home .home-hero {
  position: relative;
  padding: 40px 0 64px;
  background:
    radial-gradient(ellipse at 82% 18%, rgba(27, 94, 138, 0.14), transparent 44%),
    radial-gradient(ellipse at 12% 88%, rgba(232, 92, 10, 0.06), transparent 38%),
    linear-gradient(168deg, var(--color-primary-soft) 0%, var(--color-bg) 58%, var(--color-bg) 100%);
  overflow: hidden;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 72px;
  background: linear-gradient(180deg, transparent, var(--color-bg));
  pointer-events: none;
}

.page-home .hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-home .hero-copy {
  min-width: 0;
}

.page-home .hero-copy h1 {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  line-height: var(--lh-heading);
  margin: 14px 0 18px;
  letter-spacing: -0.02em;
}

.page-home .hero-lead {
  max-width: 34em;
  margin: 0;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .btn--ghost {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.page-home .btn--ghost:hover {
  background: var(--color-primary-soft);
}

.page-home .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--color-border-soft);
}

.page-home .stat-item {
  min-width: 110px;
}

.page-home .stat-item dt {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.page-home .stat-item dd {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  line-height: 1.1;
}

.page-home .hero-visual-inner {
  position: relative;
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-primary), var(--color-primary-light) 70%, var(--color-accent-soft));
  box-shadow: var(--shadow-float);
}

.page-home .hero-visual-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .hero-visual-inner::before {
  content: "N 36.62° · E 101.78°";
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  background: rgba(247, 243, 235, 0.9);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
}

.page-home .hero-visual-inner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(27, 94, 138, 0) 52%, rgba(27, 94, 138, 0.2) 100%);
  pointer-events: none;
}

/* ---------- 02 站内检索 ---------- */

.page-home .home-search {
  padding-top: 16px;
}

.page-home .search-panel {
  position: relative;
  padding: 30px 24px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-soft);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-home .search-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent-soft) 60%, var(--color-accent) 100%);
}

.page-home .search-panel-copy h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: var(--lh-heading);
  margin: 10px 0 12px;
}

.page-home .search-panel-lead {
  margin: 0;
  max-width: 42em;
  color: var(--color-text-muted);
}

.page-home .route-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--color-border-soft);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .route-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  min-width: 0;
}

.page-home .route-kw {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-home .route-arrow {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.0625rem;
  flex: 0 0 auto;
}

.page-home .route-target {
  color: var(--color-primary-light);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-home .route-target:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- 03 更新公告 ---------- */

.page-home .home-updates {
  background: var(--color-primary-soft);
}

.page-home .updates-head {
  max-width: 660px;
  margin-bottom: 32px;
}

.page-home .updates-head h2,
.page-home .tags-head h2,
.page-home .topics-head h2,
.page-home .services-head h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  line-height: var(--lh-heading);
  margin: 10px 0 12px;
}

.page-home .section-lead {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 38em;
}

.page-home .updates-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-home .updates-chart {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--color-border-soft);
}

.page-home .updates-chart img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  max-width: 100%;
}

.page-home .update-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-home .timeline-item {
  position: relative;
  padding-left: 30px;
  padding-bottom: 22px;
}

.page-home .timeline-item:last-child {
  padding-bottom: 0;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 0;
  width: 2px;
  border-radius: 2px;
  background: var(--color-border);
}

.page-home .timeline-item:last-child::before {
  display: none;
}

.page-home .timeline-dot {
  position: absolute;
  left: 0;
  top: 8px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-surface);
  box-shadow: var(--shadow-primary);
}

.page-home .timeline-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 16px 18px;
}

.page-home .timeline-content summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .timeline-content summary::-webkit-details-marker {
  display: none;
}

.page-home .timeline-content summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 8px;
}

.page-home .timeline-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-gold);
}

.page-home .timeline-heading {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
}

.page-home .timeline-content p {
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.page-home .updates-cta {
  margin-top: 30px;
  text-align: center;
}

.page-home .btn--accent {
  background: var(--color-accent);
  color: #ffffff;
  border: 1px solid transparent;
}

.page-home .btn--accent:hover {
  background: var(--color-text);
}

/* ---------- 04 内容分类 ---------- */

.page-home .home-tags {
  background: var(--color-bg);
}

.page-home .tags-head {
  max-width: 660px;
  margin-bottom: 26px;
}

.page-home .tags-visual {
  margin: 0 0 28px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
}

.page-home .tags-visual img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  max-width: 100%;
}

.page-home .tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .tag-list a {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-home .tag-list a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-primary);
}

/* ---------- 05 热门专题 ---------- */

.page-home .home-topics {
  background:
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.page-home .topics-head {
  max-width: 660px;
  margin-bottom: 28px;
}

.page-home .topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .topic-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-home .topic-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
}

.page-home .topic-card img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .topic-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 22px 24px;
}

.page-home .topic-card-tag {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin: 0 0 8px;
}

.page-home .topic-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0 0 10px;
}

.page-home .topic-card p {
  margin: 0 0 18px;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.page-home .topic-card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary-light);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease, gap 0.2s ease;
}

.page-home .topic-card-link:hover {
  color: var(--color-accent);
  gap: 10px;
}

/* ---------- 06 服务入口 ---------- */

.page-home .home-services {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-primary-soft) 100%);
}

.page-home .services-head {
  max-width: 660px;
  margin-bottom: 28px;
}

.page-home .services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .service-entry {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 22px;
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-home .service-entry:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}

.page-home .service-num {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

.page-home .service-name {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.page-home .service-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.page-home .service-arrow {
  margin-top: 10px;
  align-self: flex-end;
  font-size: 1.375rem;
  line-height: 1;
  color: var(--color-accent);
  font-weight: 700;
}

/* ---------- 共享细节：kicker 编号 ---------- */

.page-home .kicker-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 22px;
  padding: 0 7px;
  margin-right: 10px;
  border-radius: 4px;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  vertical-align: 1px;
}

/* ---------- 平板：768px ---------- */

@media (min-width: 768px) {

  .page-home section {
    padding: 72px 0;
  }

  .page-home .home-hero {
    padding: 56px 0 80px;
  }

  .page-home .hero-copy h1 {
    font-size: 2.5rem;
  }

  .page-home .route-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 24px;
  }

  .page-home .route-item {
    flex-wrap: nowrap;
  }

  .page-home .tags-visual img {
    height: 260px;
  }

  .page-home .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 桌面：1024px ---------- */

@media (min-width: 1024px) {

  .page-home .hero-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-home .hero-copy h1 {
    font-size: 3rem;
  }

  .page-home .hero-visual-inner {
    height: 560px;
  }

  .page-home .updates-layout {
    grid-template-columns: 0.82fr 1.18fr;
    gap: 36px;
    align-items: center;
  }

  .page-home .topics-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-home .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}