.page-home {
  --home-cut: 16px;
  --home-rail: clamp(16px, 4vw, 40px);
}

/* ---------- 通用区块 ---------- */
.page-home .section {
  padding: clamp(64px, 9vw, 128px) 0;
  position: relative;
}

.page-home .section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
  margin-bottom: clamp(36px, 5vw, 64px);
}

.page-home .sec-num {
  font-family: var(--font-mono);
  font-size: clamp(44px, 7vw, 96px);
  font-weight: 800;
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  letter-spacing: -0.02em;
}

.page-home .sec-num--inline {
  display: block;
  margin-bottom: 12px;
}

.page-home .sec-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-home .sec-title {
  font-size: clamp(24px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.page-home .sec-lead {
  font-size: 16px;
  line-height: 1.75;
  max-width: 38ch;
  margin: 0;
  opacity: 0.82;
}

/* ---------- 封面首屏 ---------- */
.page-home .hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(0, 229, 255, 0.16), transparent 58%),
    radial-gradient(90% 80% at 6% 96%, rgba(255, 107, 53, 0.10), transparent 60%),
    linear-gradient(170deg, var(--blue-900) 0%, var(--blue-800) 62%, var(--blue-900) 100%);
  color: var(--mist);
  padding: clamp(96px, 12vw, 152px) 0 0;
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(169, 187, 208, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 187, 208, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-home .hero-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-home .hero-main {
  order: 1;
}

.page-home .hero-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin: 0 0 clamp(18px, 3vw, 30px);
}

.page-home .hero-title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.025em;
  font-size: clamp(38px, 8vw, 92px);
}

.page-home .hero-title-line {
  display: block;
}

.page-home .hero-title-line--cyan {
  color: var(--cyan);
  text-shadow: 0 0 42px rgba(0, 229, 255, 0.32);
}

.page-home .hero-lead {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  max-width: 40ch;
  color: var(--haze);
  margin: 0 0 clamp(24px, 3vw, 34px);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 42px);
}

.page-home .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-ghost);
  padding-top: 20px;
  font-size: 14px;
  color: var(--haze);
  max-width: 46ch;
}

.page-home .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-home .hero-facts .mono {
  color: var(--cyan);
  font-size: 15px;
}

.page-home .hero-aside {
  order: 3;
}

.page-home .hero-media {
  position: relative;
  overflow: hidden;
  clip-path: var(--cut-path);
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.86;
}

.page-home .hero-index {
  order: 2;
  border: 1px solid var(--line-ghost);
  padding: 20px 20px 8px;
  background: rgba(6, 24, 47, 0.5);
  clip-path: var(--cut-path);
}

.page-home .hero-index-head {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--haze);
  margin: 0 0 12px;
}

.page-home .hero-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .hero-index-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 10px 4px;
  border-bottom: 1px solid var(--line-ghost);
  color: var(--mist);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-home .hero-index-link .idx-num {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-home .hero-index-link .idx-name {
  font-size: 14px;
}

.page-home .hero-index-link:hover,
.page-home .hero-index-link.is-active {
  color: var(--cyan);
  border-bottom-color: var(--line);
}

.page-home .hero-index-link.is-active .idx-num {
  color: var(--cyan);
}

.page-home .hero-band {
  position: relative;
  margin-top: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line-ghost);
  border-bottom: 1px solid var(--line-ghost);
  background: rgba(26, 26, 26, 0.42);
  overflow: hidden;
}

.page-home .hero-band-track {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(16px, 4vw, 40px);
  white-space: nowrap;
  animation: home-band-drift 42s linear infinite;
}

.page-home .hero-band-item {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--haze);
}

.page-home .hero-band-dot {
  color: var(--cyan);
  font-size: 8px;
  opacity: 0.7;
}

@keyframes home-band-drift {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 01 指标 ---------- */
.page-home .metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .metric {
  position: relative;
  background: #FFFFFF;
  border: 1px solid rgba(10, 42, 92, 0.12);
  padding: 26px 22px 24px;
  clip-path: var(--cut-path);
  transition: border-color 260ms var(--ease), transform 260ms var(--ease);
  outline: none;
}

.page-home .metric-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: #6C7F96;
  margin: 0 0 14px;
}

.page-home .metric-value {
  font-size: clamp(42px, 6vw, 66px);
  font-weight: 800;
  line-height: 0.9;
  color: var(--blue-800);
  margin: 0 0 12px;
  letter-spacing: -0.03em;
}

.page-home .metric-unit {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  margin-left: 6px;
  color: var(--teal-700);
}

.page-home .metric-note {
  font-size: 14px;
  line-height: 1.7;
  color: #33475E;
  margin: 0;
}

.page-home .metric-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: #6C7F96;
  margin: 12px 0 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 300ms var(--ease), opacity 300ms var(--ease), margin-top 300ms var(--ease);
}

.page-home .metric:hover,
.page-home .metric:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .metric:hover .metric-hint,
.page-home .metric:focus-visible .metric-hint {
  max-height: 120px;
  opacity: 1;
}

.page-home .metric--wide {
  background: linear-gradient(140deg, var(--blue-800) 0%, var(--blue-900) 100%);
  border-color: rgba(0, 229, 255, 0.3);
}

.page-home .metric--wide .metric-value { color: var(--cyan); }
.page-home .metric--wide .metric-note { color: var(--haze); }
.page-home .metric--wide .metric-label { color: rgba(169, 187, 208, 0.8); }
.page-home .metric--wide .metric-hint { color: rgba(169, 187, 208, 0.85); }
.page-home .metric--wide .metric-unit { color: var(--mist); }

.page-home .metric--accent {
  border-left: 3px solid var(--orange);
}

.page-home .metric--accent .metric-value { color: var(--wine-800); }

/* ---------- 02 双区网络 ---------- */
.page-home .zone--teal {
  background: linear-gradient(168deg, var(--teal-700) 0%, #0A3B49 70%, var(--blue-900) 100%);
  color: var(--mist);
}

.page-home .network-figure {
  margin: 0 0 clamp(28px, 4vw, 48px);
  position: relative;
}

.page-home .network-figure img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: var(--cut-path);
  border: 1px solid var(--line);
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.page-home .network-caption {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--haze);
  margin-top: 12px;
}

.page-home .network-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .network-card {
  background: rgba(6, 24, 47, 0.5);
  border: 1px solid var(--line-soft);
  padding: 26px 22px;
  clip-path: var(--cut-path);
  transition: border-color 260ms var(--ease);
}

.page-home .network-card:hover {
  border-color: var(--cyan);
}

.page-home .network-region {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-home .network-title {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.25;
}

.page-home .network-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
  margin: 0 0 18px;
}

.page-home .network-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}

.page-home .network-facts li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px dashed var(--line-ghost);
  padding-bottom: 7px;
}

.page-home .network-facts .mono {
  color: var(--cyan);
  font-size: 13px;
}

.page-home .network-trail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(30px, 4vw, 44px);
}

.page-home .trail-line {
  flex: 1 0 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.page-home .trail-node {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--haze);
  border: 1px solid var(--line-soft);
  padding: 7px 12px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-home .trail-node--cyan {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 03 五项能力 ---------- */
.page-home .zone--deep {
  background: linear-gradient(180deg, var(--blue-900) 0%, #04101F 100%);
  color: var(--mist);
}

.page-home .capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-home .capability-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: cap;
}

.page-home .capability-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-ghost);
  transition: border-color 240ms var(--ease);
}

.page-home .capability-item:first-child {
  border-top: 1px solid var(--line-ghost);
}

.page-home .capability-item:hover {
  border-bottom-color: var(--cyan);
}

.page-home .capability-num {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.08em;
  padding-top: 4px;
  min-width: 28px;
}

.page-home .capability-item:hover .capability-num {
  color: var(--cyan);
}

.page-home .capability-title {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 8px;
  line-height: 1.3;
}

.page-home .capability-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
  margin: 0;
  max-width: 44ch;
}

.page-home .capability-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .capability-media {
  overflow: hidden;
  clip-path: var(--cut-path);
  border: 1px solid var(--line-soft);
  background: var(--ink);
}

.page-home .capability-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.82;
}

.page-home .capability-note {
  font-size: 12px;
  line-height: 1.7;
  color: var(--haze);
  margin: 0;
}

/* ---------- 04 检测与追溯 ---------- */
.page-home .zone--ink {
  background: linear-gradient(140deg, var(--ink) 0%, #0C1A2B 100%);
  color: var(--mist);
}

.page-home .trace-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-home .trace-media {
  overflow: hidden;
  clip-path: var(--cut-path);
  border: 1px solid var(--line);
}

.page-home .trace-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .trace-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--haze);
  margin: 0 0 clamp(22px, 3vw, 30px);
  max-width: 42ch;
}

.page-home .trace-text .mono {
  color: var(--cyan);
  font-size: 15px;
}

.page-home .trace-keys {
  margin: 0 0 clamp(24px, 3vw, 32px);
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-ghost);
}

.page-home .trace-key {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-ghost);
}

.page-home .trace-key dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .trace-key dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 05 客户场景 ---------- */
.page-home .scene-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .scene-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid rgba(10, 42, 92, 0.14);
  border-top: 3px solid var(--blue-800);
  padding: 26px 22px 28px;
  clip-path: var(--cut-path);
  transition: border-top-color 260ms var(--ease), transform 260ms var(--ease);
}

.page-home .scene-card:hover {
  border-top-color: var(--cyan);
  transform: translateY(-3px);
}

.page-home .scene-tag {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--teal-700);
  margin: 0 0 12px;
}

.page-home .scene-title {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--blue-800);
  margin: 0 0 16px;
}

.page-home .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .scene-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: #33475E;
}

.page-home .scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 06 动态 ---------- */
.page-home .zone--wine {
  background: linear-gradient(160deg, var(--wine-800) 0%, #2E0A1D 100%);
  color: var(--mist);
}

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

.page-home .insight-card {
  display: block;
  padding: 24px 22px 26px;
  border: 1px solid rgba(232, 238, 245, 0.18);
  background: rgba(26, 26, 26, 0.28);
  clip-path: var(--cut-path);
  text-decoration: none;
  color: inherit;
  transition: border-color 260ms var(--ease), background-color 260ms var(--ease);
}

.page-home .insight-card:hover {
  border-color: var(--cyan);
  background: rgba(26, 26, 26, 0.48);
}

.page-home .insight-time {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-home .insight-title {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  margin: 0 0 12px;
}

.page-home .insight-text {
  font-size: 13px;
  line-height: 1.8;
  color: var(--haze);
  margin: 0 0 18px;
}

.page-home .insight-more {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

/* ---------- 07 洽谈 ---------- */
.page-home .zone--navy {
  background: linear-gradient(170deg, var(--blue-800) 0%, var(--blue-900) 100%);
  color: var(--mist);
}

.page-home .talk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .talk-card {
  background: rgba(6, 24, 47, 0.56);
  border: 1px solid var(--line-soft);
  padding: 28px 24px;
  clip-path: var(--cut-path);
  display: flex;
  flex-direction: column;
}

.page-home .talk-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-home .talk-title {
  font-size: 21px;
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.3;
}

.page-home .talk-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
  margin: 0 0 18px;
}

.page-home .talk-facts {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 13px;
  color: var(--mist);
}

.page-home .talk-facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px dashed var(--line-ghost);
  padding-bottom: 8px;
}

.page-home .talk-facts .mono {
  color: var(--cyan);
  font-size: 13px;
}

.page-home .talk-card .btn {
  margin-top: auto;
}

.page-home .talk-foot {
  margin: clamp(28px, 4vw, 40px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

.page-home .talk-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-home .talk-foot a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 返回顶部 ---------- */
.page-home .to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(6, 24, 47, 0.86);
  color: var(--cyan);
  font-size: 16px;
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
  z-index: 20;
}

.page-home .to-top:hover {
  border-color: var(--cyan);
  background: rgba(10, 42, 92, 0.95);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-home .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .page-home .trace-key {
    grid-template-columns: 130px 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-home .hero-wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr) minmax(0, 3fr);
    grid-template-areas:
      "main aside index";
    align-items: start;
    gap: clamp(28px, 3.2vw, 52px);
  }

  .page-home .hero-main { grid-area: main; }
  .page-home .hero-aside { grid-area: aside; }
  .page-home .hero-index { grid-area: index; }

  .page-home .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .metric--wide {
    grid-column: span 2;
  }

  .page-home .network-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .capability-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .trace-wrap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .scene-rail {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .insight-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-home .talk-foot {
    max-width: 72ch;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .hero-band-track {
    animation: none;
  }

  .page-home .metric,
  .page-home .scene-card,
  .page-home .insight-card,
  .page-home .network-card {
    transition: none;
  }
}