.page-home {
  --home-cut: 22px;
  --home-edge: clamp(28px, 5vw, 48px);
  position: relative;
  display: block;
  background: var(--ice-bg);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 左端索引条 ---------- */
.page-home .index-rail {
  position: fixed;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9;
  display: none;
  flex-direction: column;
  gap: 14px;
  font-family: var(--font-num);
}
.page-home .index-rail__item {
  display: block;
  padding-left: 10px;
  border-left: 2px solid transparent;
  color: var(--graphite);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 200ms ease, border-color 200ms ease;
}
.page-home .index-rail__item.is-active {
  color: var(--ice);
  border-left-color: var(--ice);
}
.page-home .index-rail__item:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

/* ---------- 蓝图底纹 ---------- */
.page-home .grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--ice-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ice-grid) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.4;
}
.page-home .grid-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(46, 143, 192, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 143, 192, 0.16) 1px, transparent 1px);
  background-size: 8px 8px;
}
.page-home .grid-bg--dark {
  background-image:
    linear-gradient(to right, rgba(127, 179, 162, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 179, 162, 0.16) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 1;
}
.page-home .grid-bg--dark::after {
  background-image:
    linear-gradient(to right, rgba(127, 179, 162, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 179, 162, 0.07) 1px, transparent 1px);
  background-size: 8px 8px;
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  margin-bottom: 22px;
}
.page-home .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pitch-moss);
}
.page-home .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--pitch-moss);
  opacity: 0.7;
}
.page-home .breadcrumb__link {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px dashed var(--pitch-moss);
}
.page-home .breadcrumb__link:focus-visible {
  outline: 2px solid var(--sig);
  outline-offset: 3px;
}

/* ---------- 01 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 56px;
  background: var(--pitch);
  color: var(--chalk);
}
.page-home .hero__wrap {
  position: relative;
  z-index: 1;
}
.page-home .hero__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}
.page-home .hero__kicker {
  margin: 0 0 12px;
  color: var(--pitch-moss);
  text-transform: none;
}
.page-home .hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.3rem, 8vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--chalk);
}
.page-home .hero__sub {
  margin: 18px 0 30px;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--chalk);
  opacity: 0.86;
}
.page-home .hero__metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-home .hero .metric {
  margin: 0;
  padding: 16px 18px 18px;
  background: var(--pitch-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
  transition: background 200ms ease;
}
.page-home .hero .metric:hover {
  background: #1b5347;
}
.page-home .hero .metric__value {
  margin: 0;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--chalk);
}
.page-home .hero .metric__unit {
  margin-left: 2px;
  font-size: 0.44em;
  color: var(--pitch-moss);
}
.page-home .hero .metric__label {
  margin: 10px 0 6px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  color: var(--chalk);
}
.page-home .hero .metric .annot {
  margin: 0;
  color: var(--pitch-moss);
  line-height: 1.7;
}
.page-home .hero .metric--signal .metric__value,
.page-home .hero .metric--signal .metric__unit {
  color: var(--sig);
}
.page-home .hero .metric--signal {
  background: #163f35;
}

.page-home .hero__stage {
  position: relative;
}
.page-home .hero__figure {
  margin: 0;
}
.page-home .hero__figure .figure__cap {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--pitch-moss);
}
.page-home .annot--side {
  display: none;
  margin: 16px 0 0;
  color: var(--pitch-moss);
}

/* ---------- 通用图片容器 ---------- */
.page-home .figure {
  margin: 0;
}
.page-home .figure__media {
  position: relative;
  overflow: hidden;
  background: var(--ice-grid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-home .figure__media--wide {
  aspect-ratio: 16 / 9;
}
.page-home .figure__media--tall {
  aspect-ratio: 3 / 4;
}
.page-home .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.06);
}
.page-home .figure__cap {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--graphite);
}
.page-home .hero .figure__cap {
  color: var(--pitch-moss);
}
.page-home .figure__tag {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  border: 1px solid currentColor;
  font-family: var(--font-num);
  font-size: 11px;
  line-height: 1.5;
}
.page-home .hero .figure__tag {
  color: var(--ice);
  border-color: var(--ice);
}

/* ---------- 章节骨架 ---------- */
.page-home .sec {
  position: relative;
  padding: clamp(48px, 8vw, 92px) 0;
}
.page-home .sec__head {
  margin-bottom: clamp(26px, 4vw, 42px);
}
.page-home .sec__num {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
}
.page-home .sec__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--pitch);
}
.page-home .sec__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 02 分层 ---------- */
.page-home .layers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-home .layer {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--chalk);
  border: 1px solid var(--ice-grid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.page-home .layer__idx {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ice);
}
.page-home .layer__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.24rem;
  line-height: 1.2;
  color: var(--pitch);
}
.page-home .layer__text {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-home .layer .annot {
  margin: 0;
  color: var(--graphite);
  line-height: 1.7;
}
.page-home .layer--b {
  background: var(--ice-bg);
}
.page-home .layer--c {
  border-style: dashed;
}

.page-home .compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 4px;
}
.page-home .compare__col {
  padding: 12px 14px;
  background: var(--chalk);
  border-left: 3px solid var(--ice);
  transition: background 200ms ease;
}
.page-home .compare__col--alt {
  border: 1px dashed var(--ice-grid);
  border-left: 3px solid var(--graphite);
}
.page-home .compare__col:hover {
  background: var(--sig-pale);
}
.page-home .compare__label {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  color: var(--pitch);
}
.page-home .compare__note {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  line-height: 1.65;
  color: var(--graphite);
}

.page-home .layers__aside {
  margin-top: 26px;
}
.page-home .layers__figure .figure__cap {
  color: var(--graphite);
}

/* ---------- 03 赛季 ---------- */
.page-home .sec--season {
  background: var(--chalk);
  border-top: 1px solid var(--ice-grid);
  border-bottom: 1px solid var(--ice-grid);
}
.page-home .season-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--ice-grid);
}
.page-home .rail__label {
  margin: 0;
  color: var(--ice-deep);
}
.page-home .rail__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}
.page-home .chip {
  display: inline-block;
  padding: 7px 14px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--pitch);
  background: var(--ice-bg);
  border: 1px solid var(--ice-grid);
  white-space: nowrap;
  cursor: default;
}
.page-home button.chip {
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}
.page-home button.chip:hover {
  background: var(--sig-pale);
}
.page-home button.chip[aria-current="true"] {
  position: relative;
  padding-left: 24px;
  color: var(--chalk);
  background: var(--pitch);
  border-color: var(--pitch);
}
.page-home button.chip[aria-current="true"]::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  background: var(--sig);
}
.page-home button.chip:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-home .season-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-home .season-panel {
  padding: 18px 18px 20px;
  background: var(--ice-bg);
  border-top: 3px solid var(--ice);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-home .season-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--ice-grid);
}
.page-home .season-panel__year {
  margin: 0;
  font-family: var(--font-num);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--pitch);
}
.page-home .season-panel__tag {
  margin: 0;
  padding: 1px 7px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--chalk);
  background: var(--sig-deep);
}
.page-home .season-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 14px;
  margin: 0;
}
.page-home .season-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-home .season-stats dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}
.page-home .season-stats dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 1.26rem;
  font-weight: 600;
  color: var(--ink);
}
.page-home .season-stats dd em {
  font-style: normal;
  font-size: 0.66em;
  margin-left: 1px;
  color: var(--graphite);
}
.page-home .season-stats dd.is-signal {
  color: var(--sig-deep);
}
.page-home .season-stats dd.is-signal em {
  color: var(--sig-deep);
}
.page-home .season-note {
  margin: 18px 0 0;
  color: var(--graphite);
}

/* ---------- 04 教练 ---------- */
.page-home .sec--coach {
  background: var(--pitch);
  color: var(--chalk);
}
.page-home .sec--coach .sec__title {
  color: var(--chalk);
}
.page-home .sec--coach .sec__lead {
  color: var(--pitch-moss);
}
.page-home .sec--coach .sec__num {
  color: var(--ice);
}
.page-home .coach__track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .coach__node {
  position: relative;
  padding: 18px 18px 18px 24px;
  background: var(--pitch-panel);
  border-left: 3px solid var(--ice);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}
.page-home .coach__year {
  margin: 0;
  font-family: var(--font-num);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--sig);
}
.page-home .coach__meta {
  margin: 6px 0 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--chalk);
  opacity: 0.85;
}
.page-home .coach__tend {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--pitch-moss);
}
.page-home .coach__foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(127, 179, 162, 0.3);
}
.page-home .coach__foottext {
  margin: 0;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--chalk);
  opacity: 0.82;
}
.page-home .sec--coach .btn--ghost {
  color: var(--chalk);
  border-color: var(--pitch-moss);
}
.page-home .sec--coach .btn--ghost:hover {
  border-color: var(--sig);
  color: var(--sig);
}

/* ---------- 05 裁判 ---------- */
.page-home .sec--ref {
  background: var(--ice-bg);
}
.page-home .ref__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
.page-home .ref__media .figure__cap {
  color: var(--graphite);
}
.page-home .ref__filters {
  margin-bottom: 22px;
}
.page-home .ref__filters .annot {
  margin: 0 0 10px;
  color: var(--ice-deep);
}
.page-home .ref__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .ref__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 18px;
  padding: 0;
}
.page-home .ref__facts > div {
  padding-left: 14px;
  border-left: 2px solid var(--ice-grid);
}
.page-home .ref__facts dt {
  margin-bottom: 4px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  color: var(--pitch);
}
.page-home .ref__facts dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--graphite);
}
.page-home .ref__note {
  margin: 0 0 20px;
  color: var(--graphite);
}

/* ---------- 06 入门 ---------- */
.page-home .sec--start {
  background: var(--chalk);
  border-top: 1px solid var(--ice-grid);
}
.page-home .start__figure {
  margin-bottom: 30px;
}
.page-home .paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .path {
  position: relative;
  padding: 22px 20px 22px;
  background: var(--ice-bg);
  border-left: 3px solid var(--pitch);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-home .path__no {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ice);
}
.page-home .path__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.2;
  color: var(--pitch);
}
.page-home .path__text {
  margin: 0 0 16px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 共享按钮的页面微调 ---------- */
.page-home .btn {
  display: inline-block;
  padding: 10px 18px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}
.page-home .btn--primary {
  background: var(--sig);
  color: var(--pitch);
}
.page-home .btn--primary:hover {
  background: var(--sig-deep);
  color: var(--chalk);
}
.page-home .btn--ghost {
  background: transparent;
  color: var(--pitch);
  border-color: var(--ice-grid);
}
.page-home .btn--ghost:hover {
  border-color: var(--ice);
  color: var(--ice-deep);
  background: var(--ice-bg);
}
.page-home .btn:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

/* ---------- 分隔线 ---------- */
.page-home .rule--dash {
  height: 0;
  margin: 28px 0 0;
  border: 0;
  border-top: 1px dashed var(--ice-grid);
}

/* ---------- 显现 ---------- */
.page-home [data-reveal] {
  opacity: 1;
}
.page-home.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 240ms ease, transform 240ms ease;
}
.page-home.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 断点：≥ 720px ---------- */
@media (min-width: 720px) {
  .page-home .hero {
    padding: 40px 0 76px;
  }
  .page-home .hero__metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .layers {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .layer--b {
    grid-column: span 2;
  }
  .page-home .layers__aside {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
    align-items: end;
  }
  .page-home .layers__aside .annot--side {
    display: block;
  }
  .page-home .compare {
    grid-template-columns: 1fr 1fr;
  }
  .page-home .season-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .coach__track {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .coach__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-home .ref__wrap {
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: start;
  }
  .page-home .ref__facts {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .paths {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-home .path:nth-child(2) {
    transform: translateY(16px);
  }
}

/* ---------- 断点：≥ 1024px ---------- */
@media (min-width: 1024px) {
  .page-home .index-rail {
    display: flex;
  }
  .page-home .hero {
    padding: 48px 0 96px;
  }
  .page-home .hero__layout {
    grid-template-columns: 8fr 4fr;
    gap: 48px;
    align-items: start;
  }
  .page-home .hero__metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .page-home .hero__stage {
    padding-top: 34px;
  }
  .page-home .annot--side {
    display: block;
    position: absolute;
    right: -8px;
    top: 44%;
    transform: rotate(90deg);
    transform-origin: right center;
    white-space: nowrap;
    margin: 0;
  }
  .page-home .layers {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
  .page-home .layer--b {
    grid-column: span 1;
    margin-top: -16px;
  }
  .page-home .layer--c {
    margin-top: 16px;
  }
  .page-home .layers__aside {
    margin-top: 46px;
    grid-template-columns: 1.5fr 1fr;
  }
  .page-home .season-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-home .season-panel:nth-child(2) {
    transform: translateY(16px);
  }
  .page-home .season-panel:nth-child(4) {
    transform: translateY(-12px);
  }
  .page-home .season-panel:nth-child(5) {
    transform: translateY(8px);
  }
  .page-home .coach__track {
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
  }
  .page-home .coach__node {
    padding: 20px 16px 20px 16px;
  }
  .page-home .coach__node:nth-child(2) {
    transform: translateY(14px);
  }
  .page-home .coach__node:nth-child(4) {
    transform: translateY(-12px);
  }
  .page-home .ref__wrap {
    grid-template-columns: 380px 1fr;
    gap: 56px;
  }
  .page-home .ref__facts {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 断点：≥ 1280px ---------- */
@media (min-width: 1280px) {
  .page-home .index-rail {
    left: 26px;
  }
  .page-home .hero__metrics {
    gap: 20px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal],
  .page-home.js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-home .season-panel,
  .page-home .coach__node,
  .page-home .path {
    transform: none !important;
  }
}
<<<END>>>