/* ===== 首页专属样式 ===== */
.page-home {
  --home-gold-wash: rgba(240, 185, 11, 0.12);
  --home-red-wash: rgba(179, 36, 42, 0.14);
  --home-blue-wash: rgba(59, 130, 246, 0.08);
  --home-card-hover: rgba(240, 185, 11, 0.06);
  --home-line-dim: rgba(31, 58, 95, 0.65);
  background:
    radial-gradient(circle at 88% 4%, rgba(240, 185, 11, 0.05), transparent 360px),
    radial-gradient(circle at 6% 68%, rgba(59, 130, 246, 0.05), transparent 420px),
    var(--bg-primary);
}

/* 面包屑 */
.page-home .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 1.6rem 0 0.4rem;
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}
.page-home .breadcrumb a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color var(--transition);
}
.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  color: #ffffff;
}
.page-home .breadcrumb [aria-current="page"] {
  color: var(--text-secondary);
}

/* 首屏 */
.page-home .home-hero {
  position: relative;
  padding: 2.2rem 0 3.4rem;
  overflow: hidden;
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 58, 95, 0.26) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 58, 95, 0.26) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(ellipse at 74% 22%, #000 18%, transparent 68%);
  mask-image: radial-gradient(ellipse at 74% 22%, #000 18%, transparent 68%);
  pointer-events: none;
}
.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: -20%;
  right: -20%;
  top: 46%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), rgba(240, 185, 11, 0.7), transparent);
  filter: blur(0.3px);
  opacity: 0.4;
  animation: p-home-dataflow 7s linear infinite;
  pointer-events: none;
}
@keyframes p-home-dataflow {
  0% { transform: translateX(-24%) scaleX(0.5); opacity: 0; }
  12% { opacity: 0.5; }
  50% { transform: translateX(42%) scaleX(1); opacity: 0.45; }
  84% { opacity: 0.5; }
  100% { transform: translateX(110%) scaleX(0.5); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero::after {
    animation: none;
    opacity: 0;
  }
}
.page-home .home-hero__grid {
  align-items: stretch;
  row-gap: 1.8rem;
}
.page-home .home-hero__visual {
  position: relative;
  height: 260px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 92% 100%, 0 100%);
}
.page-home .home-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: saturate(0.82) contrast(1.06);
}
.page-home .home-hero__content {
  position: relative;
  z-index: 1;
}
.page-home .home-hero__content .section-label {
  margin-bottom: 1rem;
}
.page-home .home-hero h1 {
  margin: 1rem 0 1.1rem;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text-primary);
  max-width: 14em;
}
.page-home .home-hero h1::after {
  content: "";
  display: block;
  width: 76px;
  height: 4px;
  margin-top: 1.1rem;
  background: linear-gradient(90deg, var(--accent-gold), transparent);
  border-radius: 2px;
}
.page-home .home-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-secondary);
}
.page-home .home-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.8rem;
}
.page-home .home-toc__item {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.42rem 0.9rem;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.page-home .home-toc__item:hover,
.page-home .home-toc__item:focus-visible {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
  background: var(--home-gold-wash);
}

/* 告警行 */
.page-home .home-alert-row {
  display: grid;
  gap: 1rem;
  margin-top: 2.4rem;
}
.page-home .home-alert {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-primary);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.page-home .home-alert--gold {
  border-left-color: var(--accent-gold);
  background: linear-gradient(100deg, var(--home-gold-wash), var(--bg-card) 46%);
}
.page-home .home-alert--danger {
  border-left-color: var(--accent-red);
  background: linear-gradient(100deg, var(--home-red-wash), var(--bg-card) 46%);
}
.page-home .home-alert:hover,
.page-home .home-alert:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent-gold);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}
.page-home .home-alert__code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  border-right: 1px solid var(--border);
  padding-right: 0.9rem;
}
.page-home .home-alert--danger .home-alert__code {
  color: #E05B62;
}
.page-home .home-alert__text {
  flex: 1;
  min-width: 220px;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* 通用区块 */
.page-home .home-section {
  padding: 3.4rem 0;
  border-top: 1px solid var(--home-line-dim);
}
.page-home .home-section__head {
  margin-bottom: 2rem;
}
.page-home .home-section__head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.15;
  margin: 0.5rem 0 0.6rem;
  font-weight: 900;
  color: var(--text-primary);
}
.page-home .home-section__desc {
  margin: 0;
  color: var(--text-secondary);
  max-width: 48ch;
  font-size: 0.86rem;
  line-height: 1.7;
  font-family: var(--font-mono);
  font-weight: 300;
}

/* 晨间公告 */
.page-home .home-brief {
  background:
    radial-gradient(ellipse at 12% 10%, var(--home-blue-wash), transparent 46%),
    var(--bg-primary);
}
.page-home .home-brief__grid {
  row-gap: 2.2rem;
}
.page-home .brief-team {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
  margin-top: 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.page-home .brief-team img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}
.page-home .brief-meta {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #6B7A8F;
}
.page-home .brief-timeline {
  position: relative;
  padding-left: 28px;
}
.page-home .brief-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent-gold), var(--border) 68%, transparent);
}
.page-home .brief-item {
  position: relative;
  padding: 1.1rem 0 1.7rem;
}
.page-home .brief-item:last-child {
  padding-bottom: 0.4rem;
}
.page-home .brief-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 1.8rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-gold);
}
.page-home .brief-item--current::before {
  background: var(--accent-gold);
  box-shadow: 0 0 0 5px var(--home-gold-wash);
}
.page-home .brief-item__version {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  background: var(--home-gold-wash);
  border: 1px solid rgba(240, 185, 11, 0.3);
  padding: 0.26rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.55rem;
}
.page-home .brief-item--current .brief-item__version {
  background: var(--accent-gold);
  color: #0A1128;
  border-color: var(--accent-gold);
}
.page-home .brief-item h3 {
  font-size: 1.04rem;
  font-weight: 800;
  margin: 0 0 0.45rem;
  color: var(--text-primary);
  line-height: 1.4;
}
.page-home .brief-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 60ch;
  font-family: var(--font-mono);
  font-weight: 300;
}
.page-home .brief-item__note {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #6B7A8F;
}

/* 紧急处理 */
.page-home .home-emergency {
  background: linear-gradient(140deg, rgba(16, 28, 58, 0.32), var(--bg-primary) 62%);
}
.page-home .emergency-grid {
  row-gap: 1.3rem;
}
.page-home .emergency-card {
  position: relative;
  padding: 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.page-home .emergency-card:hover,
.page-home .emergency-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.34);
  background: linear-gradient(160deg, rgba(16, 28, 58, 0.9), rgba(16, 28, 58, 1));
}
.page-home .emergency-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-red);
  border: 1px solid rgba(179, 36, 42, 0.5);
  padding: 0.26rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 1rem;
}
.page-home .emergency-card--contact .emergency-card__tag {
  color: var(--accent-gold);
  border-color: rgba(240, 185, 11, 0.42);
}
.page-home .emergency-card h3 {
  font-size: 1.14rem;
  font-weight: 800;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
  line-height: 1.35;
}
.page-home .emergency-card p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 1.2rem;
  font-family: var(--font-mono);
  font-weight: 300;
}
.page-home .emergency-card__action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 185, 11, 0.4);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}
.page-home .emergency-card__action:hover,
.page-home .emergency-card__action:focus-visible {
  color: #ffffff;
  border-bottom-color: #ffffff;
}
.page-home .emergency-visual {
  margin: -1.6rem -1.6rem 1.3rem;
}
.page-home .emergency-visual img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius) var(--radius) 0 0;
}

/* V4版本修复日志 */
.page-home .home-v4 {
  background: linear-gradient(135deg, rgba(16, 28, 58, 0.62), rgba(10, 17, 40, 0.94));
}
.page-home .v4-layout {
  row-gap: 2.2rem;
}
.page-home .v4-layout__content .section-label {
  margin-bottom: 0.9rem;
}
.page-home .v4-layout__content > p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.75;
  max-width: 64ch;
  margin: 0 0 1.4rem;
  font-family: var(--font-mono);
  font-weight: 300;
}
.page-home .v4-feature-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}
.page-home .v4-feature-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.7rem;
  align-items: baseline;
  color: var(--text-primary);
  font-size: 0.86rem;
  line-height: 1.5;
}
.page-home .v4-feature-list li::before {
  content: "✓";
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-weight: 700;
  transform: translateY(1px);
}
.page-home .v4-detail {
  margin: 0 0 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(16, 28, 58, 0.52);
  padding: 1rem 1.2rem;
}
.page-home .v4-detail summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-gold);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: color var(--transition);
}
.page-home .v4-detail summary:hover {
  color: #ffffff;
}
.page-home .v4-detail summary::-webkit-details-marker {
  display: none;
}
.page-home .v4-detail summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(240, 185, 11, 0.5);
  border-radius: 50%;
  font-size: 0.78rem;
  line-height: 1;
  transition: transform var(--transition), background var(--transition);
}
.page-home .v4-detail[open] summary::before {
  transform: rotate(45deg);
  background: var(--home-gold-wash);
}
.page-home .v4-detail p {
  margin: 0.9rem 0 0;
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.75;
  font-family: var(--font-mono);
  font-weight: 300;
}
.page-home .v4-layout__content .btn {
  margin-top: 0.4rem;
}
.page-home .v4-subscribe-card {
  background: linear-gradient(150deg, var(--home-gold-wash), var(--bg-card) 52%);
  border: 1px solid rgba(240, 185, 11, 0.28);
  border-radius: var(--radius);
  padding: 2rem 1.7rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.page-home .v4-subscribe-card h3 {
  font-size: 1.3rem;
  font-weight: 900;
  margin: 0;
  color: var(--text-primary);
}
.page-home .v4-subscribe-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-weight: 300;
}
.page-home .v4-subscribe-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* 数据概览 */
.page-home .home-overview {
  background:
    radial-gradient(ellipse at 88% 20%, rgba(59, 130, 246, 0.07), transparent 52%),
    var(--bg-primary);
}
.page-home .overview-grid {
  row-gap: 2rem;
  align-items: stretch;
}
.page-home .overview-visual {
  position: relative;
  height: 240px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.page-home .overview-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 0%, rgba(10, 17, 40, 0.36) 100%);
  pointer-events: none;
}
.page-home .overview-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.page-home .overview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 1rem;
}
.page-home .stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.1rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.page-home .stat-card:hover,
.page-home .stat-card:focus-visible {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}
.page-home .stat-card__num {
  display: block;
  font-size: clamp(1.55rem, 3.4vw, 2.2rem);
  font-weight: 900;
  color: var(--accent-gold);
  line-height: 1.1;
  margin-bottom: 0.35rem;
  text-shadow: 0 0 20px rgba(240, 185, 11, 0.12);
}
.page-home .stat-card__label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  line-height: 1.4;
}
.page-home .overview-note {
  margin-top: 2.2rem;
  padding: 1.3rem 1.5rem;
  border-left: 3px solid var(--accent-gold);
  background: rgba(16, 28, 58, 0.5);
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.8;
  max-width: 96ch;
  font-family: var(--font-mono);
  font-weight: 300;
}

/* 站点索引 */
.page-home .home-index {
  background: linear-gradient(180deg, var(--bg-primary), rgba(16, 28, 58, 0.34));
}
.page-home .index-grid {
  row-gap: 1.2rem;
}
.page-home .index-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.4rem 1.3rem;
  text-decoration: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.page-home .index-card:hover,
.page-home .index-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent-gold);
  background: rgba(16, 28, 58, 0.82);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}
.page-home .index-card__route {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-gold);
  letter-spacing: 0.03em;
}
.page-home .index-card__name {
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}
.page-home .index-card__desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.65;
  font-family: var(--font-mono);
  font-weight: 300;
}

/* 桌面增强 */
@media (min-width: 768px) {
  .page-home .home-hero {
    padding: 3.4rem 0 4.6rem;
  }
  .page-home .home-hero__visual {
    height: 480px;
  }
  .page-home .home-hero__content {
    padding-left: 2rem;
  }
  .page-home .home-alert-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 3rem;
  }
  .page-home .home-section {
    padding: 5.2rem 0;
  }
  .page-home .home-section__head {
    margin-bottom: 2.6rem;
  }
  .page-home .home-brief__grid,
  .page-home .v4-layout,
  .page-home .overview-grid,
  .page-home .index-grid {
    row-gap: 0;
  }
  .page-home .emergency-grid {
    column-gap: 1.3rem;
  }
  .page-home .overview-visual {
    height: auto;
    min-height: 100%;
  }
  .page-home .v4-subscribe-card {
    padding: 2.4rem 2rem;
  }
}