.page-home {
  --home-cut: 20px;
  --home-edge: rgba(14, 21, 18, 0.16);
  --home-scan: repeating-linear-gradient(180deg, rgba(14, 21, 18, 0.045) 0 1px, rgba(14, 21, 18, 0) 1px 4px);
  position: relative;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  overflow-x: clip;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.2px;
  color: var(--green-deep);
  margin: 0;
}

.page-home p {
  margin: 0;
}

.page-home .lede {
  max-width: 56ch;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  padding: clamp(22px, 4vw, 46px) clamp(16px, 4vw, 40px) clamp(36px, 6vw, 68px);
  background-image: linear-gradient(148deg, var(--paper) 0 54%, rgba(179, 39, 45, 0.09) 54% 100%);
  background-color: var(--paper);
}

.page-home .hero-grid {
  max-width: var(--shell);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 940px) {
  .page-home .hero-grid {
    grid-template-columns: 78px minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 26px;
    align-items: stretch;
  }
}

.page-home .hero-rail {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .hero-rail-label {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-home .hero-scale {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .hero-scale::-webkit-scrollbar {
  display: none;
}

@media (min-width: 940px) {
  .page-home .hero-scale {
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    overflow: visible;
    padding-right: 12px;
    border-right: 2px solid rgba(18, 58, 50, 0.22);
  }
}

.page-home .hero-scale a {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--slate);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 3px;
  transition: color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-home .hero-scale a:hover,
.page-home .hero-scale a:focus-visible {
  color: var(--paper);
  background-color: var(--red);
  outline: none;
}

.page-home .hero-copy {
  position: relative;
  background-color: var(--card);
  border: 1px solid var(--home-edge);
  padding: clamp(22px, 3vw, 34px) clamp(20px, 3vw, 36px) clamp(26px, 4vw, 42px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
  filter: drop-shadow(0 12px 20px rgba(14, 21, 18, 0.16));
}

.page-home .hero-copy h1 {
  margin-top: 12px;
  font-size: clamp(30px, 5.2vw, 50px);
}

.page-home .hero-key {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  color: var(--red);
  padding: 0 0.06em;
  box-shadow: inset 0 -0.24em 0 var(--gold);
}

.page-home .hero-copy .lede {
  margin-top: 16px;
  font-size: 16.5px;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-home .hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed rgba(18, 58, 50, 0.28);
  font-size: 14px;
  color: var(--slate);
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  min-height: 300px;
  background-color: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 52px 100%, 0 calc(100% - 52px));
  overflow: hidden;
}

@media (min-width: 940px) {
  .page-home .hero-visual {
    min-height: 420px;
  }
}

.page-home .hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.08) brightness(0.82);
}

.page-home .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--home-scan);
  pointer-events: none;
}

.page-home .hero-board {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px 18px;
  background-color: var(--red);
  color: var(--gold-hi);
  clip-path: polygon(26px 0, 100% 0, 100% 100%, 0 100%);
  text-align: right;
}

.page-home .hero-board-figure {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 5px;
}

.page-home .hero-board-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1;
  letter-spacing: -1px;
}

.page-home .hero-board-unit {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--paper);
  opacity: 0.88;
}

.page-home .hero-board-label {
  font-size: 13px;
  color: var(--paper);
  opacity: 0.9;
  letter-spacing: 0.02em;
}

/* ---------- 四条主线 ---------- */

.page-home .tracks {
  padding: clamp(40px, 6vw, 78px) clamp(16px, 4vw, 40px);
  background-color: var(--paper);
}

.page-home .tracks .section-head {
  margin-bottom: 28px;
}

.page-home .track-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 680px) {
  .page-home .track-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1080px) {
  .page-home .track-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }
  .page-home .track-card:nth-child(2) {
    margin-top: 24px;
  }
  .page-home .track-card:nth-child(3) {
    margin-top: 8px;
  }
  .page-home .track-card:nth-child(4) {
    margin-top: 32px;
  }
}

.page-home .track-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background-color: var(--card);
  border: 1px solid var(--home-edge);
  border-top: 4px solid var(--green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-home .track-card:hover,
.page-home .track-card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-home .track-index {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--red);
}

.page-home .track-name {
  font-size: 21px;
}

.page-home .track-text {
  font-size: 15px;
  color: var(--slate);
  flex: 1;
}

.page-home .track-link {
  align-self: flex-start;
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 800;
  color: var(--red);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .track-link:hover,
.page-home .track-link:focus-visible {
  color: var(--green-deep);
  border-color: var(--red);
  outline: none;
}

/* ---------- 档案数字带 ---------- */

.page-home .digits {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 6vw, 78px) clamp(16px, 4vw, 40px);
  background-color: var(--green-deep);
  color: var(--paper);
}

.page-home .digits-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: grayscale(0.45) contrast(1.1);
}

.page-home .digits::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--home-scan);
  opacity: 0.7;
  pointer-events: none;
}

.page-home .digits-inner {
  position: relative;
  z-index: 2;
  max-width: var(--shell);
  margin-inline: auto;
}

.page-home .digits .eyebrow {
  color: var(--gold);
}

.page-home .digits h2 {
  color: var(--paper);
  font-size: clamp(26px, 3.4vw, 34px);
}

.page-home .digits .lede {
  color: rgba(243, 231, 206, 0.82);
  margin-top: 10px;
}

.page-home .digit-grid {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

@media (min-width: 700px) {
  .page-home .digit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-home .digit-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-home .digit-item {
  padding: 18px 16px 20px;
  background-color: rgba(243, 231, 206, 0.06);
  border: 1px solid rgba(217, 164, 65, 0.34);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-home .digit-item:last-child:nth-child(odd) {
  grid-column: span 2;
}

@media (min-width: 700px) {
  .page-home .digit-item:last-child:nth-child(odd) {
    grid-column: auto;
  }
}

.page-home .digit-value {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(34px, 4.4vw, 50px);
  line-height: 1;
  letter-spacing: -1px;
  color: var(--gold);
}

.page-home .digit-value small {
  font-size: 0.4em;
  margin-left: 4px;
  color: var(--gold-hi);
  letter-spacing: 0;
}

.page-home .digit-name {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(243, 231, 206, 0.84);
}

.page-home .digits-note {
  margin-top: 24px;
  font-size: 14px;
  color: rgba(243, 231, 206, 0.78);
}

.page-home .digits-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .digits-note a:hover,
.page-home .digits-note a:focus-visible {
  color: var(--gold-hi);
  outline: none;
}

/* ---------- 年度时间轴 ---------- */

.page-home .timeline {
  padding: clamp(42px, 6vw, 80px) clamp(16px, 4vw, 40px);
  background-color: var(--card);
  border-block: 1px solid var(--home-edge);
}

.page-home .timeline .section-head {
  margin-bottom: 30px;
}

.page-home .timeline-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 960px) {
  .page-home .timeline-body {
    grid-template-columns: minmax(0, 236px) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
}

.page-home .timeline-figure {
  margin: 0;
  background-color: var(--paper);
  border: 1px solid var(--home-edge);
  padding: 10px 10px 12px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-home .timeline-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: sepia(0.16) contrast(1.04);
}

.page-home .timeline-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.65;
}

.page-home .timeline-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 960px) {
  .page-home .timeline-track {
    position: relative;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    padding-top: 28px;
  }

  .page-home .timeline-track::before {
    content: "";
    position: absolute;
    top: 13px;
    left: 0;
    right: 0;
    height: 3px;
    background-image: linear-gradient(90deg, var(--green) 0%, var(--green) 45%, var(--red) 100%);
  }
}

.page-home .timeline-node {
  position: relative;
  padding: 16px 14px 18px;
  background-color: var(--paper);
  border: 1px solid var(--home-edge);
  border-left: 4px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  scroll-margin-top: 110px;
}

@media (min-width: 960px) {
  .page-home .timeline-node::before {
    content: "";
    position: absolute;
    top: -21px;
    left: 12px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--paper);
    border: 3px solid var(--green);
  }
}

.page-home .timeline-node--last {
  border-left-color: var(--red);
  background-color: #FBF1E2;
}

@media (min-width: 960px) {
  .page-home .timeline-node--last::before {
    border-color: var(--red);
    background-color: var(--gold-hi);
  }
}

.page-home .timeline-year {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--red);
}

.page-home .timeline-text {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .timeline-more {
  margin-top: 30px;
}

/* ---------- 三类查询路径 ---------- */

.page-home .paths {
  padding: clamp(42px, 6vw, 78px) clamp(16px, 4vw, 40px);
  background-color: var(--paper);
}

.page-home .paths .section-head {
  margin-bottom: 28px;
}

.page-home .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 860px) {
  .page-home .path-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .page-home .path-item:nth-child(2) {
    margin-top: 18px;
  }
}

.page-home .path-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px 22px;
  background-color: var(--card);
  border: 1px solid var(--home-edge);
  border-left: 5px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform 200ms var(--ease);
}

.page-home .path-item:hover {
  transform: translateY(-3px);
}

.page-home .path-step {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-home .path-title {
  font-size: 19px;
}

.page-home .path-text {
  flex: 1;
  font-size: 15px;
  color: var(--slate);
}

.page-home .path-link {
  align-self: flex-start;
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 800;
  color: var(--red);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

.page-home .path-link:hover,
.page-home .path-link:focus-visible {
  color: var(--green-deep);
  border-color: var(--red);
  outline: none;
}

/* ---------- 练习入口与维护说明 ---------- */

.page-home .practice {
  padding: clamp(42px, 6vw, 82px) clamp(16px, 4vw, 40px);
  background-color: var(--card);
  border-top: 1px solid var(--home-edge);
}

.page-home .practice-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-home .practice-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    gap: 44px;
    align-items: center;
  }
}

.page-home .practice-copy h2 {
  margin-top: 12px;
  font-size: clamp(26px, 3.4vw, 34px);
}

.page-home .practice-copy .prose {
  margin-top: 14px;
  font-size: 15.5px;
  color: var(--slate);
}

.page-home .practice-facts {
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.page-home .practice-facts li {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--green-deep);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 3px;
}

.page-home .practice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .practice-note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  font-size: 13.5px;
  color: var(--slate);
}

.page-home .practice-figure {
  margin: 0;
  background-color: var(--green);
  border: 1px solid var(--home-edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  padding: 12px 12px 14px;
}

.page-home .practice-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.page-home .practice-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(243, 231, 206, 0.84);
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .track-card,
  .page-home .path-item,
  .page-home .track-link,
  .page-home .path-link,
  .page-home .hero-scale a {
    transition: none;
  }
  .page-home .track-card:hover,
  .page-home .track-card:focus-within,
  .page-home .path-item:hover {
    transform: none;
  }
  .page-home .hero-visual::after,
  .page-home .digits::after {
    display: none;
  }
}