.page-home {
  --home-edge: clamp(18px, 4vw, 48px);
  background: var(--c-ink);
  color: var(--c-fog);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 72px;
  border-bottom: 1px solid var(--line);
}

.page-home .home-hero__cut {
  position: absolute;
  left: -16%;
  bottom: -24%;
  width: 84%;
  height: 70%;
  background: var(--c-orange);
  opacity: 0.13;
  clip-path: polygon(0 48%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .home-hero__cut2 {
  position: absolute;
  right: -22%;
  top: -18%;
  width: 64%;
  height: 58%;
  background: var(--c-charcoal);
  opacity: 0.9;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 0 100%);
  pointer-events: none;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-home .home-hero__eyebrow {
  margin: 0 0 18px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-brass);
  text-transform: uppercase;
}

.page-home .home-hero__title {
  margin: 0;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-home .home-hero__mark {
  display: block;
  color: var(--c-orange);
}

.page-home .home-hero__lede {
  margin: 24px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--fog-70);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 40px 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .hero-stat {
  margin: 0;
  padding: 16px 18px;
  background: var(--c-ink);
}

.page-home .hero-stat__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-50);
}

.page-home .hero-stat__value {
  margin: 8px 0 0;
  font-family: var(--f-mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--c-cyan);
}

.page-home .home-hero__visual {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-home .home-hero__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--c-charcoal);
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-home .home-hero__visual:hover .home-hero__figure {
  transform: translate(-6px, -6px);
  border-color: var(--c-orange);
}

.page-home .home-hero__plates {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .hero-plate {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 10px;
  background: var(--c-paper);
  color: var(--c-ink);
  white-space: nowrap;
  transition: background var(--t-fast) var(--ease);
}

.page-home .hero-plate__num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-home .hero-plate__txt {
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-home .hero-plate:hover {
  background: var(--c-orange);
}

/* ---------- 通用说明牌 ---------- */
.page-home .chapter-note {
  margin: 32px 0 0;
  padding-left: 16px;
  max-width: 62ch;
  border-left: 1px solid var(--c-brass);
  font-size: 14px;
  line-height: 1.85;
  color: var(--fog-70);
}

.page-home .chapter-note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .chapter-note a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 01 四条主线 ---------- */
.page-home .line-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-home .line-card {
  padding: 26px 22px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--c-ink);
  transition: background var(--t-base) var(--ease);
}

.page-home .line-card:hover {
  background: var(--c-ink-soft);
}

.page-home .line-card__tag {
  display: inline-block;
  margin: 0 0 14px;
}

.page-home .line-card__title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 800;
  color: var(--c-paper);
}

.page-home .line-card__text {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog-70);
}

.page-home .line-card__meta {
  margin: 0 0 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog-50);
}

.page-home .line-card__link,
.page-home .step__link {
  position: relative;
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-orange);
  text-decoration: none;
}

.page-home .line-card__link::after,
.page-home .step__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-base) var(--ease);
}

.page-home .line-card__link:hover::after,
.page-home .line-card__link:focus-visible::after,
.page-home .step__link:hover::after,
.page-home .step__link:focus-visible::after {
  transform: scaleX(1);
}

/* ---------- 02 V3 更新 ---------- */
.page-home .home-v3 {
  background: var(--c-ink-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .home-v3__inner {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-home .v3-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .v3-list li {
  position: relative;
  padding: 14px 0 14px 26px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-fog);
}

.page-home .v3-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  width: 12px;
  height: 1px;
  background: var(--c-orange);
}

.page-home .v3-facts {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog-70);
}

.page-home .home-v3__shot {
  margin: 0;
}

.page-home .home-v3__shot img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  border: 1px solid var(--line);
  background: var(--c-charcoal);
  transition: transform var(--t-slow) var(--ease);
}

.page-home .home-v3__cap {
  margin-top: 12px;
  max-width: 42ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog-50);
}

/* ---------- 03 数据面板 ---------- */
.page-home .home-panel__layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-home .home-panel__shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--c-charcoal);
}

.page-home .home-panel__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .home-panel__cap {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog-50);
}

.page-home .home-panel__subtitle {
  margin: 0 0 16px;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-paper);
}

.page-home .dim-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .dim-item {
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: var(--c-charcoal);
  font-size: 13px;
  color: var(--fog-70);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-home .dim-item:hover {
  border-color: var(--c-cyan);
  color: var(--c-fog);
}

.page-home .dim-item--accent {
  border-color: var(--c-orange);
  background: var(--orange-soft);
  color: var(--c-orange);
}

.page-home .home-panel__tip {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-50);
}

.page-home .home-panel__demo {
  margin-top: 32px;
  border: 1px solid var(--line);
  background: var(--c-charcoal);
}

.page-home .panel-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

.page-home .panel-tabs a {
  padding: 12px 18px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--fog-70);
  text-decoration: none;
  border-right: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-home .panel-tabs a:hover,
.page-home .panel-tabs a:focus-visible {
  color: var(--c-cyan);
  background: var(--cyan-soft);
}

.page-home .panel-stage {
  position: relative;
}

.page-home .panel-view {
  display: none;
  margin: 0;
  padding: 22px 20px 24px;
}

.page-home .panel-view:first-child {
  display: block;
}

.page-home .panel-view:target {
  display: block;
}

.page-home .panel-stage:has(.panel-view:target:not(:first-child)) .panel-view:first-child {
  display: none;
}

.page-home .panel-view svg {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
}

.page-home .panel-view figcaption {
  margin-top: 16px;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-70);
}

.page-home .panel-view .l-cyan {
  stroke: var(--c-cyan);
}

.page-home .panel-view .l-orange {
  stroke: var(--c-orange);
}

.page-home .panel-view .b-cyan rect {
  fill: var(--c-cyan);
  opacity: 0.85;
}

.page-home .panel-view .b-orange rect {
  fill: var(--c-orange);
  opacity: 0.85;
}

.page-home .panel-view .d-cyan circle {
  fill: var(--c-cyan);
  opacity: 0.85;
}

.page-home .panel-view .d-orange circle {
  fill: var(--c-orange);
  opacity: 0.85;
}

/* ---------- 04 内蒙古节点 ---------- */
.page-home .home-node {
  position: relative;
  overflow: hidden;
  padding: 88px 0;
  border-top: 1px solid var(--line);
  background: var(--c-ink);
}

.page-home .home-node__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.page-home .home-node__inner {
  position: relative;
  z-index: 1;
}

.page-home .node-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .node-card {
  padding: 22px 20px;
  background: rgba(8, 21, 15, 0.88);
}

.page-home .node-card__num {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 32px;
  line-height: 1.1;
  color: var(--c-cyan);
}

.page-home .node-card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-70);
}

/* ---------- 05 三步引导 ---------- */
.page-home .step-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .step {
  padding: 26px 22px;
  background: var(--c-ink-soft);
}

.page-home .step__num {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-home .step__title {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-home .step__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog-70);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .node-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-hero__plates {
    gap: 10px;
  }
}

@media (min-width: 760px) {
  .page-home .line-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .step-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: 72px 0 96px;
  }

  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-home .home-hero__visual {
    margin-right: calc(-1 * var(--home-edge));
  }

  .page-home .home-v3__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-home .home-v3__shot {
    justify-self: end;
  }

  .page-home .home-v3__shot img {
    transform: rotate(-3deg);
  }
}

@media (min-width: 1024px) {
  .page-home .node-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-panel__layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-hero__figure,
  .page-home .home-v3__shot img,
  .page-home .line-card__link::after,
  .page-home .step__link::after {
    transition: none;
  }

  .page-home .home-hero__visual:hover .home-hero__figure {
    transform: none;
  }

  .page-home .home-v3__shot img {
    transform: none;
  }
}