.page-home {
  background: var(--indigo);
  color: var(--snow);
  overflow-x: clip;
}

.page-home a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .lenses a:focus-visible,
.page-home .cadence a:focus-visible {
  outline-color: var(--pine);
}

/* ---------- 页面上下文 ---------- */
.page-home .breadcrumb {
  padding-top: 20px;
  padding-bottom: 4px;
}

.page-home .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-home .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-home .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line-dark-2);
}

.page-home .breadcrumb-list a {
  color: var(--snow-86);
  text-decoration: none;
  border-bottom: 2px solid var(--line-dark-2);
  padding-bottom: 2px;
}

.page-home .breadcrumb-list a:hover,
.page-home .breadcrumb-list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 通用小节元素 ---------- */
.page-home .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-home .kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: none;
  background: currentColor;
}

.page-home .sec-title {
  margin: 12px 0 14px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--snow);
  transform: scaleY(.96);
  transform-origin: left top;
}

.page-home .prose {
  max-width: 42em;
  color: var(--snow-86);
}

.page-home .prose--cream {
  color: rgba(26, 21, 18, .82);
}

.page-home .grid-bg {
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 8px 8px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--indigo-2);
  clip-path: polygon(0 62%, 100% 42%, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
  padding-top: clamp(26px, 4vw, 56px);
}

.page-home .hero h1 {
  margin: 14px 0 18px;
  max-width: 15em;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--snow);
  transform: scaleY(.95);
  transform-origin: left top;
}

.page-home .hero-lede {
  max-width: 40em;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.95;
  color: var(--snow-86);
}

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

.page-home .hero-visual {
  margin: 0;
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}

.page-home .hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1px;
  margin-top: clamp(18px, 3vw, 34px);
  background: var(--line-dark-2);
  border: var(--bw) solid var(--line-dark-2);
  box-shadow: var(--shadow-dark);
}

.page-home .stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 22px;
  background: var(--indigo-3);
}

.page-home .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5.6vw, 56px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--cyan);
}

.page-home .stat:nth-child(2) .stat-num { color: var(--orange); }
.page-home .stat:nth-child(3) .stat-num { color: var(--snow); }

.page-home .stat-label {
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: .04em;
  color: var(--gray);
}

/* ---------- 里程碑时间轴 ---------- */
.page-home .axis-lede {
  margin: 0;
}

.page-home .axis-bg {
  display: block;
  width: 100%;
  height: clamp(96px, 15vw, 170px);
  object-fit: cover;
  margin: clamp(20px, 3.5vw, 36px) 0 clamp(22px, 3.5vw, 34px);
  border: var(--bw) solid var(--line-dark);
  opacity: .88;
}

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

.page-home .axis-item {
  position: relative;
}

.page-home .axis-link {
  display: block;
  height: 100%;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  background: var(--indigo-2);
  border: var(--bw) solid var(--line-dark-2);
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.page-home .axis-link:hover,
.page-home .axis-link:focus-visible {
  border-color: var(--cyan);
  background: var(--indigo-3);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(11, 20, 48, .9);
}

.page-home .axis-year {
  display: block;
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: .05em;
  color: var(--orange);
}

.page-home .axis-title {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--snow);
}

.page-home .axis-body {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 三类数据入口 ---------- */
.page-home .lenses {
  background: var(--cream);
  color: var(--ink);
}

.page-home .lenses .kicker,
.page-home .cadence .kicker {
  color: var(--pine);
}

.page-home .lenses .sec-title,
.page-home .cadence .sec-title {
  color: var(--ink);
}

.page-home .lenses-grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-home .lens-fig {
  margin: 0;
}

.page-home .lens-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--bw) solid var(--ink);
  box-shadow: var(--shadow-cream);
}

.page-home .media-cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(26, 21, 18, .7);
}

.page-home .lens-copy .prose {
  margin: 0 0 18px;
}

.page-home .lens-cards {
  display: grid;
  gap: 12px;
}

.page-home .lens-card {
  display: block;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--ink);
  background: var(--cream-2);
  border: var(--bw) solid var(--line-cream);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.page-home .lens-card:hover,
.page-home .lens-card:focus-visible {
  border-color: var(--ink);
  transform: translate(-1px, -1px);
  box-shadow: inset 6px 0 0 var(--cyan), 6px 6px 0 rgba(26, 21, 18, .5);
}

.page-home .lens-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-home .lens-title {
  font-size: 18px;
  font-weight: 800;
}

.page-home .lens-tag {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(26, 21, 18, .66);
  background: var(--cream);
  border: 1px solid var(--line-cream);
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-home .lens-card:hover .lens-tag,
.page-home .lens-card:focus-visible .lens-tag {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--ink);
}

.page-home .lens-desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(26, 21, 18, .78);
}

/* ---------- 区域数据入口 ---------- */
.page-home .regions {
  background: var(--indigo);
}

.page-home .regions-fig {
  display: block;
  width: 100%;
  height: clamp(120px, 20vw, 240px);
  object-fit: cover;
  border: var(--bw) solid var(--line-dark);
  margin: clamp(18px, 3vw, 32px) 0 clamp(18px, 3vw, 28px);
}

.page-home .region-grid {
  display: grid;
  gap: 14px;
}

.page-home .region-card {
  display: block;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  background: var(--indigo-2);
  border: var(--bw) solid var(--line-dark-2);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.page-home .region-card:hover,
.page-home .region-card:focus-visible {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(11, 20, 48, .9);
}

.page-home .region-name {
  display: block;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: .1em;
  color: var(--snow);
}

.page-home .region-fields {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-home .region-notes {
  display: grid;
  margin-top: 12px;
}

.page-home .region-update,
.page-home .region-update-alt {
  grid-area: 1 / 1;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
  transition: opacity .2s ease;
}

.page-home .region-update-alt {
  opacity: 0;
  color: var(--snow-86);
}

.page-home .region-card:hover .region-update,
.page-home .region-card:focus-visible .region-update {
  opacity: 0;
}

.page-home .region-card:hover .region-update-alt,
.page-home .region-card:focus-visible .region-update-alt {
  opacity: 1;
}

/* ---------- 更新节奏与团队 ---------- */
.page-home .cadence {
  background: var(--cream);
  color: var(--ink);
}

.page-home .cadence-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

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

.page-home .cadence-stat {
  padding: 20px;
  background: var(--cream-2);
  border: var(--bw) solid var(--ink);
  box-shadow: var(--shadow-cream);
}

.page-home .cadence-num {
  font-family: var(--font-mono);
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ink);
}

.page-home .cadence-unit {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--pine);
}

.page-home .cadence-stat p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(26, 21, 18, .8);
}

.page-home .cadence-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(26, 21, 18, .85);
}

.page-home .team-bars {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .team-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 10px;
  align-items: baseline;
}

.page-home .team-bar-label {
  font-size: 14px;
  font-weight: 600;
}

.page-home .team-bar-num {
  font-size: 13px;
  color: rgba(26, 21, 18, .7);
}

.page-home .team-bar-track {
  grid-column: 1 / -1;
  display: block;
  height: 10px;
  background: rgba(26, 21, 18, .1);
  border: 1px solid var(--line-cream);
}

.page-home .team-bar-fill {
  display: block;
  height: 100%;
}

.page-home .team-bar--rec .team-bar-fill { width: 35%; background: var(--indigo-2); }
.page-home .team-bar--chk .team-bar-fill { width: 24%; background: var(--pine); }
.page-home .team-bar--eng .team-bar-fill { width: 41%; background: var(--orange); }

.page-home .cadence-foot {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(26, 21, 18, .72);
}

.page-home .cadence-foot a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--pine);
  padding-bottom: 1px;
}

.page-home .cadence-foot a:hover,
.page-home .cadence-foot a:focus-visible {
  color: var(--pine);
}

/* ---------- 使用者场景 ---------- */
.page-home .audience {
  background: var(--indigo);
}

.page-home .aud-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--bw) solid var(--line-dark);
}

.page-home .aud-item {
  display: grid;
  gap: 8px;
  padding: 20px 4px 20px 14px;
  border-bottom: var(--bw) solid var(--line-dark);
  border-left: 4px solid transparent;
  transition: border-left-color .18s ease, background-color .18s ease;
}

.page-home .aud-item:hover {
  border-left-color: var(--cyan);
  background: rgba(28, 42, 82, .7);
}

.page-home .aud-role {
  font-size: 16px;
  font-weight: 700;
  color: var(--snow);
}

.page-home .aud-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--gray);
}

.page-home .aud-foot {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .06em;
  color: var(--snow-86);
}

/* ---------- 下一步 ---------- */
.page-home .next {
  background: var(--indigo-3);
  border-top: var(--bw) solid var(--line-dark-2);
}

.page-home .next-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-home .next-copy p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--snow-86);
}

.page-home .next-cards {
  display: grid;
  gap: 12px;
}

.page-home .next-card {
  display: block;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  background: var(--indigo-2);
  border: var(--bw) solid var(--line-dark-2);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.page-home .next-card:hover,
.page-home .next-card:focus-visible {
  border-color: var(--orange);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(11, 20, 48, .9);
}

.page-home .next-card-title {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--snow);
}

.page-home .next-card-desc {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .aud-item {
    padding: 22px 8px 22px 18px;
  }
}

@media (min-width: 820px) {
  .page-home .region-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-home .hero::before {
    clip-path: polygon(56% 0, 100% 0, 100% 100%, 40% 100%);
  }

  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .9fr);
  }

  .page-home .axis-list {
    position: relative;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding-top: 40px;
  }

  .page-home .axis-list::before {
    content: "";
    position: absolute;
    top: 8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--line-dark-2);
  }

  .page-home .axis-item {
    padding: 0 12px;
    border-left: var(--bw) solid var(--line-dark);
  }

  .page-home .axis-item:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-home .axis-item:last-child {
    padding-right: 0;
  }

  .page-home .axis-item::before {
    content: "";
    position: absolute;
    top: -36px;
    left: 18px;
    width: 10px;
    height: 10px;
    background: var(--cyan);
    border-radius: 50%;
  }

  .page-home .axis-item:first-child::before {
    left: 0;
  }

  .page-home .axis-body {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .24s ease, opacity .2s ease, margin-top .24s ease;
  }

  .page-home .axis-link:hover .axis-body,
  .page-home .axis-link:focus-visible .axis-body {
    max-height: 220px;
    margin-top: 10px;
    opacity: 1;
  }

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

  .page-home .aud-item {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

@media (min-width: 920px) {
  .page-home .lenses-grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  }
}

@media (min-width: 1024px) {
  .page-home .next-grid {
    grid-template-columns: minmax(0, .6fr) minmax(0, 1.4fr);
  }
}