/* ===== 页面专属：.page-home ===== */
.page-home {
  --ph-speed-orange: #FF6B35;
  --ph-speed-orange-hover: #e85a2a;
  --ph-dark-blue: #0B1D3A;
  --ph-dark-blue-light: #1A2A4A;
  --ph-silver: #C0C0C0;
  --ph-silver-light: #d8d8d8;
  --ph-data-green: #00D4AA;
  --ph-bg-light: #F5F5F5;
  --ph-white: #ffffff;
  --ph-text: #1A1A2E;
  --ph-metric-bg: rgba(11, 29, 58, 0.04);
  --ph-card-shadow: 0 4px 20px rgba(11, 29, 58, 0.12);
  --ph-card-shadow-hover: 0 8px 32px rgba(11, 29, 58, 0.22);
  --ph-radius: 12px;
  --ph-radius-sm: 8px;
  --ph-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --ph-font-heading: Impact, 'Arial Narrow', 'Franklin Gothic Medium', sans-serif;
  --ph-font-mono: 'Courier New', Consolas, monospace;
  --ph-font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  position: relative;
  background: var(--ph-bg-light);
  color: var(--ph-text);
  font-family: var(--ph-font-body);
  line-height: 1.5;
  overflow-x: hidden;
  padding-bottom: 2rem;
}

/* ===== 速度线背景 ===== */
.page-home__speed-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  height: 100%;
  min-height: 100vh;
}
.page-home__speed-svg {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  object-fit: cover;
}

/* ===== 面包屑 ===== */
.page-home__breadcrumb {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
}
.page-home__breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--ph-dark-blue);
  opacity: 0.65;
}
.page-home__breadcrumb-current {
  font-weight: 600;
  color: var(--ph-speed-orange);
}

/* ===== 首屏介绍区 ===== */
.page-home__intro {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-home__intro-text {
  flex: 1;
}
.page-home__title {
  font-family: var(--ph-font-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ph-dark-blue);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}
.page-home__subtitle {
  font-size: 1.05rem;
  color: var(--ph-text);
  opacity: 0.75;
  max-width: 36ch;
  margin: 0 0 1.5rem;
  line-height: 1.5;
}
.page-home__intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-home__btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.page-home__arrow {
  display: inline-block;
  transition: transform var(--ph-transition);
}
.page-home__btn-arrow:hover .page-home__arrow,
.page-home__btn-arrow:focus-visible .page-home__arrow {
  transform: translateX(4px);
}
.page-home__btn-outline {
  border: 2px solid var(--ph-dark-blue);
  color: var(--ph-dark-blue);
  background: transparent;
}
.page-home__btn-outline:hover,
.page-home__btn-outline:focus-visible {
  background: var(--ph-dark-blue);
  color: var(--ph-white);
}
.page-home__intro-visual {
  flex: 0 0 auto;
  max-width: 100%;
}
.page-home__hero-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--ph-radius);
  box-shadow: var(--ph-card-shadow);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  display: block;
}

/* ===== 仪表盘网格（Bento核心） ===== */
.page-home__dashboard-grid {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* ===== 数据看板主面板 ===== */
.page-home__dashboard-main {
  background: var(--ph-white);
  border-radius: var(--ph-radius);
  box-shadow: var(--ph-card-shadow);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--ph-speed-orange);
  transition: box-shadow var(--ph-transition);
}
.page-home__dashboard-main:hover {
  box-shadow: var(--ph-card-shadow-hover);
}
.page-home__dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-home__section-title {
  font-family: var(--ph-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ph-dark-blue);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-home__dash-badge {
  font-family: var(--ph-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ph-speed-orange);
  background: rgba(255, 107, 53, 0.12);
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
}
.page-home__dash-bg-texture {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  width: 120px;
  height: 120px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}
.page-home__dash-texture-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--ph-radius-sm);
}

/* ===== 指标卡片 ===== */
.page-home__dash-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}
.page-home__metric-card {
  background: var(--ph-metric-bg);
  border-radius: var(--ph-radius-sm);
  padding: 1rem 0.9rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--ph-transition), box-shadow var(--ph-transition);
  cursor: default;
  border: 1px solid transparent;
}
.page-home__metric-card:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(11, 29, 58, 0.10);
}
.page-home__metric-card--primary {
  border-left: 3px solid var(--ph-dark-blue);
}
.page-home__metric-card--accent {
  border-left: 3px solid var(--ph-speed-orange);
}
.page-home__metric-card--silver {
  border-left: 3px solid var(--ph-silver);
}
.page-home__metric-card--data {
  border-left: 3px solid var(--ph-data-green);
}
.page-home__metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ph-text);
  opacity: 0.6;
  margin-bottom: 0.2rem;
}
.page-home__metric-value {
  font-family: var(--ph-font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ph-dark-blue);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.page-home__metric-trend {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ph-data-green);
  margin-top: 0.15rem;
}
.page-home__metric-card--accent .page-home__metric-value {
  color: var(--ph-speed-orange);
}
.page-home__metric-card--silver .page-home__metric-trend {
  color: var(--ph-silver);
}
.page-home__metric-card--data .page-home__metric-trend {
  color: var(--ph-speed-orange);
  opacity: 0.8;
}
.page-home__dash-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.25rem;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}
.page-home__dash-note {
  font-size: 0.75rem;
  color: var(--ph-text);
  opacity: 0.55;
  font-style: italic;
}

/* ===== 车辆库面板 ===== */
.page-home__vehicle-section {
  background: var(--ph-white);
  border-radius: var(--ph-radius);
  box-shadow: var(--ph-card-shadow);
  padding: 1.5rem;
  border-left: 4px solid var(--ph-dark-blue);
  transition: box-shadow var(--ph-transition);
}
.page-home__vehicle-section:hover {
  box-shadow: var(--ph-card-shadow-hover);
}
.page-home__vehicle-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-home__vehicle-badge {
  font-family: var(--ph-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ph-dark-blue);
  background: rgba(11, 29, 58, 0.08);
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
}
.page-home__vehicle-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-home__vehicle-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--ph-radius-sm);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  display: block;
  box-shadow: 0 2px 8px rgba(11, 29, 58, 0.06);
}
.page-home__vehicle-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.page-home__vehicle-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ph-dark-blue);
  background: rgba(11, 29, 58, 0.06);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.page-home__vehicle-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}
.page-home__vehicle-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(11, 29, 58, 0.06);
}
.page-home__vfeature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ph-text);
  opacity: 0.8;
}
.page-home__vfeature-icon {
  font-size: 1rem;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}
.page-home__vfeature-text {
  font-weight: 500;
}

/* ===== 网点分布 ===== */
.page-home__network-section {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}
.page-home__network-header {
  margin-bottom: 1.25rem;
}
.page-home__network-desc {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  opacity: 0.7;
  color: var(--ph-text);
}
.page-home__network-content {
  background: var(--ph-white);
  border-radius: var(--ph-radius);
  box-shadow: var(--ph-card-shadow);
  padding: 1.5rem;
  border-left: 4px solid var(--ph-silver);
  transition: box-shadow var(--ph-transition);
}
.page-home__network-content:hover {
  box-shadow: var(--ph-card-shadow-hover);
}
.page-home__network-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-home__network-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--ph-radius-sm);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  display: block;
  box-shadow: 0 2px 8px rgba(11, 29, 58, 0.06);
}
.page-home__network-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-home__network-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
}
.page-home__network-list li {
  font-size: 0.85rem;
  color: var(--ph-text);
  opacity: 0.8;
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(11, 29, 58, 0.04);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.page-home__network-city {
  font-weight: 700;
  color: var(--ph-dark-blue);
  min-width: 2.5rem;
}

/* ===== CTA 区域 ===== */
.page-home__cta-section {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  text-align: center;
  background: var(--ph-gradient-header, linear-gradient(135deg, #0B1D3A, #1A2A4A));
  border-radius: var(--ph-radius);
  box-shadow: var(--ph-card-shadow);
  margin-left: 1.25rem;
  margin-right: 1.25rem;
  color: var(--ph-white);
}
.page-home__cta-title {
  font-family: var(--ph-font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  color: var(--ph-white);
}
.page-home__cta-text {
  font-size: 0.95rem;
  opacity: 0.85;
  max-width: 44ch;
  margin: 0 auto 1.25rem;
  line-height: 1.5;
  color: var(--ph-white);
}
.page-home__cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.page-home__cta-section .btn-outline {
  border-color: var(--ph-white);
  color: var(--ph-white);
}
.page-home__cta-section .btn-outline:hover,
.page-home__cta-section .btn-outline:focus-visible {
  background: var(--ph-white);
  color: var(--ph-dark-blue);
}

/* ===== 响应式：平板 768px+ ===== */
@media screen and (min-width: 768px) {
  .page-home__intro {
    flex-direction: row;
    align-items: center;
    padding-top: 2rem;
    padding-bottom: 3rem;
    gap: 2.5rem;
  }
  .page-home__title {
    font-size: 4.2rem;
  }
  .page-home__subtitle {
    font-size: 1.15rem;
  }
  .page-home__intro-visual {
    flex: 0 0 45%;
    max-width: 45%;
  }
  .page-home__hero-img {
    aspect-ratio: 4 / 3;
  }
  .page-home__dashboard-grid {
    grid-template-columns: 1.6fr 1fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
  }
  .page-home__dash-metrics {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .page-home__metric-value {
    font-size: 2rem;
  }
  .page-home__network-list {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-home__network-card {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-home__network-img {
    flex: 0 0 220px;
    aspect-ratio: 4 / 3;
  }
  .page-home__vehicle-card {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .page-home__vehicle-img {
    flex: 0 0 45%;
    aspect-ratio: 4 / 3;
  }
  .page-home__vehicle-actions {
    flex: 1;
    align-items: flex-end;
    justify-content: flex-end;
  }
  .page-home__cta-section {
    margin-left: auto;
    margin-right: auto;
    padding: 2.5rem 2rem;
  }
  .page-home__cta-title {
    font-size: 2.2rem;
  }
}

/* ===== 桌面 1024px+ ===== */
@media screen and (min-width: 1024px) {
  .page-home__title {
    font-size: 5rem;
  }
  .page-home__intro {
    padding-top: 2.5rem;
    padding-bottom: 3.5rem;
  }
  .page-home__dash-metrics {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-home__metric-value {
    font-size: 2.25rem;
  }
  .page-home__dashboard-grid {
    padding-bottom: 3rem;
  }
  .page-home__network-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-home__network-card {
    flex-direction: row;
  }
  .page-home__network-img {
    flex: 0 0 260px;
  }
  .page-home__vehicle-img {
    flex: 0 0 220px;
  }
  .page-home__dash-bg-texture {
    width: 160px;
    height: 160px;
  }
}

/* ===== 大屏 1280px+ ===== */
@media screen and (min-width: 1280px) {
  .page-home__title {
    font-size: 5.5rem;
  }
  .page-home__dash-metrics {
    gap: 1.25rem;
  }
}

/* ===== 滚动进度条 & 返回顶部（共享类增强） ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ph-speed-orange), var(--ph-dark-blue));
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
  pointer-events: none;
}
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9998;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ph-dark-blue);
  color: var(--ph-white);
  border: 2px solid var(--ph-speed-orange);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--ph-transition), transform var(--ph-transition), background var(--ph-transition);
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(11, 29, 58, 0.25);
}
.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--ph-speed-orange);
  border-color: var(--ph-dark-blue);
}

/* ===== 工具类重映射（确保与全局不冲突） ===== */
.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.2rem;
  border-radius: var(--ph-radius-sm);
  font-family: var(--ph-font-body);
  font-weight: 600;
  font-size: 0.85rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--ph-transition), color var(--ph-transition), border-color var(--ph-transition), transform var(--ph-transition), box-shadow var(--ph-transition);
  border: 2px solid transparent;
  white-space: nowrap;
  gap: 0.3rem;
}
.page-home .btn-primary {
  background: var(--ph-speed-orange);
  color: var(--ph-white);
  border-color: var(--ph-speed-orange);
}
.page-home .btn-primary:hover,
.page-home .btn-primary:focus-visible {
  background: var(--ph-speed-orange-hover);
  border-color: var(--ph-speed-orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}
.page-home .btn-secondary {
  background: var(--ph-dark-blue-light);
  color: var(--ph-white);
  border-color: var(--ph-dark-blue-light);
}
.page-home .btn-secondary:hover,
.page-home .btn-secondary:focus-visible {
  background: var(--ph-dark-blue);
  transform: translateY(-1px);
}
.page-home .btn-outline {
  background: transparent;
  border: 2px solid var(--ph-dark-blue);
  color: var(--ph-dark-blue);
}
.page-home .btn-outline:hover,
.page-home .btn-outline:focus-visible {
  background: var(--ph-dark-blue);
  color: var(--ph-white);
}
.page-home .btn-sm {
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
}
.page-home .btn:active {
  transform: scale(0.97);
}

.page-home {
  --ph-gradient-header: transparent;
}