.page-home {
  background: var(--sand-050);
  color: var(--ink-900);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-home .breadcrumb {
  padding: 22px 0 10px;
  font-size: 13px;
  color: var(--ink-500);
}

.page-home .breadcrumb a {
  color: var(--ink-600, var(--ink-500));
  text-decoration: none;
}

.page-home .breadcrumb a:hover {
  color: var(--red-600);
}

/* ---------- 首屏信息墙 ---------- */

.page-home .hero {
  position: relative;
  padding: 8px 0 0;
}

.page-home .hero-grid {
  display: grid;
  gap: 34px;
}

.page-home .hero-main h1 {
  margin: 14px 0 20px;
  font-size: clamp(34px, 7.2vw, 66px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-home .hero-lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--ink-900);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero-wall {
  padding: 24px 24px 26px;
  border: 1px solid var(--sand-300);
  border-radius: var(--radius-soft);
  background: var(--snow);
}

.page-home .wall-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--red-600);
}

.page-home .wall-head {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .hero-wall .rule {
  margin: 20px 0;
}

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

.page-home .wall-chip {
  padding: 7px 13px;
  border: 1px solid var(--sand-300);
  border-radius: var(--radius-pill);
  background: var(--sand-050);
  font-size: 13px;
  line-height: 1;
  color: var(--ink-900);
}

.page-home .wall-chip-code {
  background: var(--glacier-100);
  border-color: var(--glacier-100);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
  margin-top: 38px;
  padding: 24px 0 26px;
  border-top: 1px solid var(--sand-300);
  border-bottom: 1px solid var(--sand-300);
}

.page-home .hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .hero-stats .stat-value {
  font-family: var(--font-mono);
  font-size: clamp(34px, 8vw, 78px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.page-home .hero-stats .stat-unit {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-500);
}

.page-home .hero-stats .stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-500);
}

.page-home .terrain-band {
  margin: 42px 0 0;
}

.page-home .terrain-band img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 300px;
  object-fit: cover;
}

.page-home .terrain-band .media-caption {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 12px var(--gutter) 0;
}

/* ---------- 章节通用 ---------- */

.page-home .section {
  padding: 68px 0;
  scroll-margin-top: 96px;
}

.page-home .section + .section {
  border-top: 1px solid var(--sand-300);
}

.page-home .section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.page-home .section-head .section-title {
  margin: 12px 0 16px;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-home .section-head .section-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-500);
}

/* ---------- 三条主线入口 ---------- */

.page-home .entry-grid {
  display: grid;
  gap: 18px;
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px 24px;
  border: 1px solid var(--sand-300);
  border-radius: var(--radius-card);
  background: var(--snow);
  color: inherit;
  text-decoration: none;
  transition: transform var(--duration) ease, border-color var(--duration) ease;
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--red-600);
}

.page-home .entry-card h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .entry-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-500);
}

.page-home .entry-index {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red-600);
}

.page-home .entry-figure {
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--teal-700);
}

.page-home .entry-go {
  margin-top: auto;
  padding-top: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--red-600);
}

.page-home .entry-card-lead {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--snow);
}

.page-home .entry-card-lead p {
  color: var(--sand-300);
}

.page-home .entry-card-lead .entry-figure {
  color: var(--glacier-100);
}

.page-home .entry-card-lead .entry-go {
  color: var(--snow);
}

/* ---------- 基地与产能 ---------- */

.page-home .bases-grid {
  display: grid;
  gap: 40px;
}

.page-home .map-wrap {
  padding: 12px;
  border: 1px solid var(--sand-300);
  border-radius: var(--radius-soft);
  background: var(--snow);
}

.page-home .base-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .map-land {
  fill: var(--glacier-100);
  stroke: var(--sand-300);
  stroke-width: 1.5;
}

.page-home .node-dot {
  fill: var(--red-600);
  transition: fill var(--duration) ease;
}

.page-home .node-id {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: var(--ink-900);
}

.page-home .node-meta {
  font-size: 11px;
  fill: var(--ink-500);
  transition: fill var(--duration) ease;
}

.page-home .base-node:hover .node-dot,
.page-home .base-node:focus-within .node-dot {
  fill: var(--red-600-deep);
}

.page-home .base-node:hover .node-id,
.page-home .base-node:hover .node-meta {
  fill: var(--red-600);
}

.page-home .base-rows {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sand-300);
}

.page-home .base-rows li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "code name year"
    "line line line";
  gap: 4px 12px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--sand-300);
}

.page-home .base-code {
  grid-area: code;
  font-size: 13px;
  color: var(--red-600);
}

.page-home .base-name {
  grid-area: name;
  font-size: 15px;
  font-weight: 700;
}

.page-home .base-line {
  grid-area: line;
  font-size: 13px;
  color: var(--ink-500);
}

.page-home .base-year {
  grid-area: year;
  font-size: 13px;
  color: var(--ink-500);
}

.page-home .bases-side {
  display: grid;
  gap: 26px;
  align-content: start;
}

.page-home .capacity-card {
  padding: 22px 20px 24px;
  border: 1px solid var(--sand-300);
  border-radius: var(--radius-soft);
  background: var(--snow);
}

.page-home .capacity-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .capacity-note {
  margin: 6px 0 8px;
  font-size: 12px;
  color: var(--ink-500);
}

.page-home .cap-chart {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .cap-grid line {
  stroke: var(--sand-300);
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.page-home .cap-grid .cap-base {
  stroke-dasharray: none;
  stroke: var(--sand-300);
}

.page-home .cap-line {
  fill: none;
  stroke: var(--teal-700);
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-home .cap-dot {
  fill: var(--snow);
  stroke: var(--teal-700);
  stroke-width: 2;
}

.page-home .cap-dot-end {
  fill: var(--red-600);
  stroke: var(--red-600);
}

.page-home .cap-value {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--ink-900);
}

.page-home .cap-value-end {
  fill: var(--red-600);
  font-weight: 700;
}

.page-home .cap-year {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--ink-500);
}

.page-home .capacity-foot {
  margin: 14px 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

/* ---------- 产品与保修 ---------- */

.page-home .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--sand-300);
  border-radius: var(--radius-card);
  background: var(--snow);
}

.page-home .lines-table {
  width: 100%;
  min-width: 640px;
}

.page-home .lines-table th[scope="row"] {
  font-weight: 700;
}

.page-home .lines-pair {
  display: grid;
  gap: 26px;
  margin-top: 34px;
}

.page-home .lines-pair .media img {
  object-fit: cover;
}

.page-home .lines-note {
  display: grid;
  gap: 20px;
}

.page-home .lines-note .card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
}

.page-home .lines-note .card p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-500);
}

/* ---------- 合作方式 ---------- */

.page-home .channel-grid {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .channel-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  border: 1px solid var(--sand-300);
  border-top: 3px solid var(--ink-900);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  background: var(--snow);
}

.page-home .channel-rank {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-500);
}

.page-home .channel-item h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .channel-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-500);
}

.page-home .channel-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--sand-300);
  font-size: 13px;
}

.page-home .channel-meta dt {
  color: var(--ink-500);
}

.page-home .channel-meta dd {
  margin: 0;
  color: var(--ink-900);
}

.page-home .channel-cta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  margin-top: 26px;
}

.page-home .channel-cta h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
}

.page-home .channel-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-900);
}

/* ---------- 品牌专栏 ---------- */

.page-home .column-grid {
  display: grid;
  gap: 24px;
}

.page-home .column-lead {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 26px;
  border-radius: var(--radius-soft);
  background: var(--glacier-100);
  color: inherit;
  text-decoration: none;
  transition: background var(--duration) ease;
}

.page-home .column-lead:hover,
.page-home .column-lead:focus-visible {
  background: var(--red-100);
}

.page-home .column-lead h3 {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-home .column-lead p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-home .column-tag {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--red-600);
}

.page-home .column-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sand-300);
}

.page-home .column-list li {
  border-bottom: 1px solid var(--sand-300);
}

.page-home .column-list a {
  display: block;
  padding: 18px 4px;
  color: inherit;
  text-decoration: none;
  transition: padding-left var(--duration) ease;
}

.page-home .column-list a:hover,
.page-home .column-list a:focus-visible {
  padding-left: 12px;
}

.page-home .column-title {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
}

.page-home .column-foot {
  margin: 32px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-500);
}

.page-home .column-foot a {
  color: var(--red-600);
  font-weight: 700;
  text-decoration: none;
}

.page-home .column-foot a:hover {
  text-decoration: underline;
}

/* ---------- 右侧修订轴 ---------- */

.page-home .rail {
  display: none;
}

/* ---------- 响应式 ---------- */

@media (max-width: 680px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .hero-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .page-home .terrain-band img {
    max-height: 190px;
  }
}

@media (min-width: 760px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .terrain-band img {
    max-height: 380px;
  }

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

  .page-home .channel-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 26px 30px;
  }

  .page-home .channel-cta > div {
    max-width: 62%;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-home .entry-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }

  .page-home .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .column-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 40px;
  }

  .page-home .section {
    padding: 92px 0;
  }
}

@media (min-width: 1060px) {
  .page-home .bases-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-home .lines-pair .media {
    margin: 0;
  }
}

@media (min-width: 1500px) {
  .page-home .rail {
    display: block;
    position: fixed;
    top: 50%;
    right: 30px;
    z-index: 4;
    width: 128px;
    transform: translateY(-50%);
  }

  .page-home .rail-title {
    margin: 0 0 14px;
    padding-left: 14px;
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--ink-500);
  }

  .page-home .rail-list {
    display: flex;
    flex-direction: column;
    gap: 13px;
    margin: 0;
    padding: 0 0 0 14px;
    list-style: none;
    border-left: 1px solid var(--sand-300);
  }

  .page-home .rail-list a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    line-height: 1.3;
    color: var(--ink-500);
    text-decoration: none;
  }

  .page-home .rail-dot {
    flex: none;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sand-300);
    transition: background var(--duration) ease;
  }

  .page-home .rail-list a:hover,
  .page-home .rail-list a:focus-visible {
    color: var(--ink-900);
  }

  .page-home .rail-list a:hover .rail-dot,
  .page-home .rail-list a:focus-visible .rail-dot,
  .page-home .rail-list a.is-active .rail-dot {
    background: var(--red-600);
  }

  .page-home .rail-list a.is-active {
    color: var(--ink-900);
    font-weight: 700;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry-card,
  .page-home .column-lead,
  .page-home .column-list a,
  .page-home .node-dot,
  .page-home .node-meta {
    transition: none;
  }

  .page-home .entry-card:hover,
  .page-home .entry-card:focus-visible {
    transform: none;
  }
}

.page-home {
  --ink-600: var(--ink-900);
}