.page-home {
  --home-line: rgba(16, 21, 31, 0.14);
  --home-stack: rgba(180, 134, 60, 0.16);
}

.page-home .section {
  padding-block: clamp(52px, 7.5vw, 104px);
}

.page-home .home-hero {
  padding-block: clamp(28px, 5vw, 72px) clamp(52px, 7.5vw, 96px);
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-home .home-hero__copy {
  min-width: 0;
}

.page-home .home-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.6vw, 66px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--indigo);
  margin: 14px 0 20px;
}

.page-home .home-hero .lead {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ink);
  margin: 0;
}

.page-home .home-hero__sub {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--copper);
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .home-hero__visual {
  min-width: 0;
}

.page-home .hero-frame {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--indigo);
  border: 1px solid var(--copper-line);
  border-radius: var(--radius);
  box-shadow:
    16px 16px 0 -1px var(--home-stack),
    0 34px 64px -46px rgba(13, 21, 51, 0.7);
}

.page-home .hero-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.94;
}

.page-home .hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(217, 169, 78, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 169, 78, 0.16) 1px, transparent 1px);
  background-size: 34px 34px;
  mix-blend-mode: screen;
}

.page-home .hero-frame__stamp {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  padding: 6px 10px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--copper-bright);
  border: 1px solid var(--copper-line);
  background: rgba(13, 21, 51, 0.8);
}

/* 02 数字带 */
.page-home .home-stats {
  background: var(--indigo);
  color: var(--paper);
}

.page-home .home-stats .chapter__num {
  color: var(--copper-bright);
}

.page-home .home-stats .chapter__title {
  color: var(--paper-white);
}

.page-home .home-stats .chapter__note {
  color: rgba(245, 241, 232, 0.66);
}

.page-home .home-stats__grid {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  gap: 1px;
  background: rgba(245, 241, 232, 0.18);
  border: 1px solid rgba(245, 241, 232, 0.18);
}

.page-home .stat {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: clamp(22px, 3vw, 32px);
  background: var(--indigo);
}

.page-home .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--copper-bright);
}

.page-home .stat__num small {
  margin-left: 6px;
  font-size: 0.4em;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-home .stat__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--paper-white);
}

.page-home .stat__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.7);
}

/* 03 双入口 */
.page-home .home-entries__grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .entry-card {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper-white);
  border: 1px solid var(--home-line);
  border-top: 3px solid var(--copper);
  border-radius: var(--radius);
  box-shadow: 10px 10px 0 -1px var(--home-stack);
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease);
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 15px 15px 0 -1px rgba(180, 134, 60, 0.3);
}

.page-home .entry-card h3 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.4;
  color: var(--indigo);
}

.page-home .entry-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-home .entry-card__steps {
  counter-reset: step;
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .entry-card__steps li {
  position: relative;
  padding-left: 36px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .entry-card__steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 3px;
  left: 0;
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--copper);
  border: 1px solid var(--copper-line);
  border-radius: var(--radius);
}

/* 04 年份轴 */
.page-home .home-years {
  background: var(--paper);
}

.page-home .years-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-home .years-figure {
  margin: 0;
  background: var(--indigo);
  border: 1px solid var(--copper-line);
  box-shadow: 12px 12px 0 -1px var(--home-stack);
}

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

.page-home .years-tabs,
.page-home .clauses-tabs {
  min-width: 0;
}

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .tabs__btn {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  padding: 9px 14px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-home .tabs__btn:hover {
  color: var(--copper);
  border-color: var(--copper);
}

.page-home .tabs__btn:focus-visible {
  outline: 2px solid var(--copper-bright);
  outline-offset: 2px;
}

.page-home .tabs__btn[aria-selected="true"] {
  color: var(--copper-bright);
  background: var(--indigo);
  border-color: var(--indigo);
}

.page-home .tabs__panel {
  margin-top: 20px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--paper-white);
  border: 1px solid var(--home-line);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 -1px rgba(180, 134, 60, 0.12);
}

.page-home .tabs__panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.45;
  color: var(--indigo);
}

.page-home .tabs__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--rock);
}

/* 05 区域 */
.page-home .region-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid var(--home-line);
  background: var(--indigo-deep);
}

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

.page-home .regions-grid {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-home .region-card {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--paper-white);
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
}

.page-home .region-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--copper);
}

.page-home .region-card--near::before {
  background: var(--moss);
}

.page-home .region-card--cross::before {
  background: var(--rock);
}

.page-home .region-card__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-home .region-card--near .region-card__tag {
  color: var(--moss);
}

.page-home .region-card--cross .region-card__tag {
  color: var(--rock);
}

.page-home .region-card h3 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.5;
  color: var(--indigo);
}

.page-home .region-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rock);
}

/* 06 条款索引 */
.page-home .home-clauses {
  background: var(--paper);
}

.page-home .clauses-figure {
  margin: clamp(26px, 4vw, 40px) 0 24px;
  border: 1px solid var(--copper-line);
  box-shadow: 14px 14px 0 -1px var(--home-stack);
}

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

.page-home .clauses-more {
  margin: 26px 0 0;
  font-size: 15px;
}

/* 07 对接 */
.page-home .home-reach {
  background: var(--indigo-deep);
  color: var(--paper);
}

.page-home .reach-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .reach-copy .eyebrow {
  color: var(--copper-bright);
}

.page-home .reach-copy h2 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.25;
  color: var(--paper-white);
}

.page-home .reach-copy p {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(245, 241, 232, 0.78);
}

.page-home .reach-meta {
  margin: 0;
  display: grid;
  gap: 1px;
  background: rgba(245, 241, 232, 0.18);
  border: 1px solid rgba(245, 241, 232, 0.18);
}

.page-home .reach-meta__row {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--indigo-deep);
}

.page-home .reach-meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--copper-bright);
}

.page-home .reach-meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-white);
  word-break: break-word;
}

/* 响应式 */
@media (min-width: 700px) {
  .page-home .home-stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .hero-frame {
    aspect-ratio: 6 / 7;
  }

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

@media (min-width: 900px) {
  .page-home .home-entries__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .reach-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-home .home-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-home .years-layout {
    grid-template-columns: 300px 1fr;
    align-items: start;
  }

  .page-home .years-figure {
    position: sticky;
    top: 28px;
  }
}

@media (min-width: 1060px) {
  .page-home .home-stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry-card,
  .page-home .tabs__btn {
    transition: none;
  }

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