/* ===== 首页专属样式 .page-home ===== */
.page-home {
  --frame-scale-color: rgba(10, 77, 164, 0.25);
  --card-hover-transform: translateY(-4px);
  --tag-bg: rgba(232, 98, 46, 0.10);
  --tag-border: rgba(232, 98, 46, 0.30);
  --tag-hover-bg: rgba(232, 98, 46, 0.20);
  display: block;
  width: 100%;
}

/* ---------- 框景首屏 ---------- */
.page-home .hero-frame {
  position: relative;
  width: 100%;
  margin-bottom: 0;
  padding: 0;
}

.page-home .frame-view {
  position: relative;
  width: 100%;
  min-height: 75vh;
  max-height: 900px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.06), 0 4px 24px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background: transparent;
}

.page-home .frame-view::before {
  content: '';
  position: absolute;
  inset: -4px;
  z-index: -1;
  background: var(--gradient-primary);
  border-radius: calc(var(--radius-lg) + 4px);
}

.page-home .frame-view::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--frame-scale-color) 0px, var(--frame-scale-color) 6px, transparent 6px, transparent 12px);
  opacity: 0.6;
  pointer-events: none;
  z-index: 3;
}

.page-home .frame-scale {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 80px;
  height: 80px;
  border-right: 3px solid var(--accent-orange);
  border-bottom: 3px solid var(--accent-orange);
  opacity: 0.30;
  z-index: 3;
  pointer-events: none;
}

.page-home .frame-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 0;
}

.page-home .frame-glass {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1;
}

.page-home .frame-content {
  position: relative;
  z-index: 2;
  padding: 2rem 2.5rem;
  max-width: 560px;
  margin-left: 4%;
  background: rgba(255, 255, 255, 0.70);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.50);
}

.page-home .frame-content .section-number {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent-orange);
  opacity: 0.50;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.page-home .frame-content h1 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-dark);
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.page-home .frame-content h1 .text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: italic;
  font-weight: 900;
}

.page-home .frame-desc {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-dark);
  opacity: 0.80;
  margin: 0 0 1.5rem 0;
  letter-spacing: 0.02em;
}

.page-home .btn-pulse {
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.page-home .btn-pulse:hover,
.page-home .btn-pulse:focus-visible {
  transform: scale(1.04);
  box-shadow: 0 0 0 3px rgba(232, 98, 46, 0.30), 0 8px 24px rgba(232, 98, 46, 0.25);
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .btn-pulse::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: inherit;
    border: 2px solid var(--accent-orange);
    opacity: 0;
    animation: home-pulse-ring 2.4s ease-out infinite;
  }

  @keyframes home-pulse-ring {
    0% { transform: scale(1); opacity: 0.50; }
    60% { transform: scale(1.12); opacity: 0; }
    100% { transform: scale(1.12); opacity: 0; }
  }
}

/* ---------- 通用章节布局 ---------- */
.page-home .section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.page-home .section-header {
  margin-bottom: 2.5rem;
}

.page-home .section-header .section-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent-orange);
  opacity: 0.35;
  margin-bottom: 0.125rem;
  letter-spacing: -0.03em;
}

.page-home .section-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-dark);
  margin: 0 0 0.35rem 0;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-home .section-subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
  opacity: 0.65;
  margin: 0;
}

/* ---------- 资料库 ---------- */
.page-home .section-database {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  margin: 2rem 0;
}

.page-home .db-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-home .db-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.page-home .db-card {
  padding: 1.25rem 1rem;
  border-radius: var(--radius-md);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
  cursor: default;
  border: 1px solid var(--border-subtle);
  background: var(--surface-glass);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .db-card:hover {
    transform: var(--card-hover-transform);
    box-shadow: var(--shadow-md);
  }
}

.page-home .db-card-icon {
  display: block;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.page-home .db-card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 0.25rem 0;
}

.page-home .db-card-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-dark);
  opacity: 0.60;
  margin: 0;
}

.page-home .db-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  text-align: center;
}

.page-home .db-image {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 2px solid rgba(10, 77, 164, 0.12);
}

.page-home .db-visual-note {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--primary-blue);
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.04em;
}

.page-home .db-link {
  margin-top: 0.25rem;
}

/* ---------- 服务范围 ---------- */
.page-home .section-service {
  background: rgba(10, 77, 164, 0.04);
  border-radius: var(--radius-lg);
  margin: 2rem 0;
  border: 1px solid rgba(10, 77, 164, 0.06);
}

.page-home .svc-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-home .svc-map {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.page-home .svc-map-img {
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-md);
}

.page-home .svc-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-home .svc-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  margin: 0;
}

.page-home .svc-city-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-home .svc-city-list li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary-blue);
  background: rgba(10, 77, 164, 0.08);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  line-height: 1.5;
}

.page-home .svc-link {
  align-self: flex-start;
  margin-top: 0.5rem;
}

/* ---------- 更新动态 ---------- */
.page-home .section-updates {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  margin: 2rem 0;
}

.page-home .upd-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-home .upd-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-home .upd-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark);
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  line-height: 1.5;
  transition: background var(--transition-fast), transform var(--transition-fast);
  cursor: default;
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .upd-tag:hover {
    background: var(--tag-hover-bg);
    transform: translateY(-2px);
  }
}

.page-home .upd-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  text-align: center;
}

.page-home .upd-image {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  border: 3px solid rgba(232, 98, 46, 0.15);
}

.page-home .upd-note {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--accent-orange);
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.04em;
}

.page-home .upd-link {
  margin-top: 0.25rem;
}

/* ---------- 滚动显现 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .page-home [data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .page-home [data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-home .frame-content {
    padding: 3rem 3.5rem;
    margin-left: 6%;
    max-width: 600px;
  }

  .page-home .frame-content .section-number {
    font-size: 3.6rem;
  }

  .page-home .frame-content h1 {
    font-size: 3.2rem;
  }

  .page-home .frame-desc {
    font-size: 1.25rem;
  }

  .page-home .frame-view {
    min-height: 70vh;
    max-height: 800px;
  }

  .page-home .section-inner {
    padding: 4.5rem 2.5rem;
  }

  .page-home .section-header .section-number {
    font-size: 3.4rem;
  }

  .page-home .section-title {
    font-size: 2.2rem;
  }

  .page-home .db-grid {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-home .db-cards {
    grid-template-columns: 1fr 1fr 1fr;
    flex: 2;
    gap: 1.25rem;
  }

  .page-home .db-visual {
    flex: 1;
    padding: 2rem 1.5rem;
  }

  .page-home .db-image {
    width: 160px;
    height: 160px;
  }

  .page-home .svc-grid {
    flex-direction: row;
    align-items: center;
  }

  .page-home .svc-map {
    flex: 1.2;
  }

  .page-home .svc-map-img {
    max-height: 400px;
  }

  .page-home .svc-info {
    flex: 1;
    padding-left: 1.5rem;
  }

  .page-home .upd-grid {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-home .upd-tags {
    flex: 2;
    gap: 0.7rem;
  }

  .page-home .upd-visual {
    flex: 1;
    padding: 2rem 1.5rem;
  }

  .page-home .upd-image {
    width: 180px;
    height: 180px;
  }

  .page-home .upd-tag {
    font-size: 0.9rem;
    padding: 0.35rem 1rem;
  }
}

@media (min-width: 1024px) {
  .page-home .frame-content {
    margin-left: 8%;
    max-width: 640px;
    padding: 3.5rem 4rem;
  }

  .page-home .frame-content h1 {
    font-size: 3.6rem;
  }

  .page-home .section-inner {
    padding: 5rem 3rem;
  }

  .page-home .db-cards {
    gap: 1.5rem;
  }

  .page-home .db-card {
    padding: 1.5rem 1.25rem;
  }
}

/* ---------- 安全间距 ---------- */
@media (max-width: 480px) {
  .page-home .frame-content {
    padding: 1.5rem 1.25rem;
    margin-left: 3%;
    margin-right: 3%;
    max-width: none;
  }

  .page-home .frame-content h1 {
    font-size: 1.8rem;
  }

  .page-home .frame-desc {
    font-size: 0.95rem;
  }

  .page-home .frame-view {
    min-height: 60vh;
    max-height: none;
  }

  .page-home .db-cards {
    grid-template-columns: 1fr;
  }

  .page-home .section-inner {
    padding: 2rem 1rem;
  }

  .page-home .section-title {
    font-size: 1.4rem;
  }

  .page-home .svc-city-list {
    gap: 0.4rem 0.6rem;
  }

  .page-home .svc-city-list li {
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
  }

  .page-home .upd-tags {
    gap: 0.4rem;
  }

  .page-home .upd-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.7rem;
  }
}