.page-home {
  --home-cut: 14px;
  --home-rail-w: 148px;
  position: relative;
  padding: 18px 0 88px;
  overflow-x: clip;
}

.page-home::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(200, 208, 204, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 208, 204, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 78% 10%, rgba(37, 242, 198, 0.1), transparent 42%),
    radial-gradient(circle at 10% 74%, rgba(255, 106, 31, 0.08), transparent 46%);
  background-size: 72px 72px, 72px 72px, 100% 100%, 100% 100%;
}

.page-home .home-shell {
  position: relative;
  z-index: 1;
}

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

.page-home img {
  max-width: 100%;
  display: block;
}

.page-home .slash-rule {
  height: 8px;
  margin: 46px 0;
  border: 0;
  background-image: repeating-linear-gradient(112deg, var(--line-strong) 0 1px, transparent 1px 9px);
  opacity: 0.85;
}

/* ---------- 面包屑 ---------- */
.page-home .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--dusk);
}

.page-home .crumbs [aria-current="page"] {
  color: var(--cy);
}

/* ---------- 首屏框景 ---------- */
.page-home .gate {
  display: grid;
  gap: 16px;
}

.page-home .gate__frame {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 340px;
  background: linear-gradient(168deg, var(--ink-1), var(--ink-0) 72%);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%,
    0 var(--home-cut)
  );
  overflow: hidden;
}

.page-home .tick {
  position: absolute;
  width: 14px;
  height: 14px;
  z-index: 3;
  border: 0 solid var(--silver);
  opacity: 0.75;
  pointer-events: none;
}

.page-home .tick--tl { top: 12px; left: 12px; border-top-width: 1px; border-left-width: 1px; }
.page-home .tick--tr { top: 12px; right: 12px; border-top-width: 1px; border-right-width: 1px; }
.page-home .tick--bl { bottom: 12px; left: 12px; border-bottom-width: 1px; border-left-width: 1px; }
.page-home .tick--br { bottom: 12px; right: 12px; border-bottom-width: 1px; border-right-width: 1px; }

.page-home .gate__media {
  position: absolute;
  inset: 0;
  margin: 0;
}

.page-home .gate__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.62) contrast(1.2) brightness(0.5);
}

.page-home .gate__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(92deg, rgba(10, 15, 13, 0.96) 0%, rgba(10, 15, 13, 0.8) 48%, rgba(10, 15, 13, 0.34) 100%),
    linear-gradient(0deg, rgba(10, 15, 13, 0.96) 0%, rgba(10, 15, 13, 0) 64%);
}

.page-home .gate__body {
  position: relative;
  z-index: 2;
  padding: 26px 20px 28px;
}

.page-home .gate__kicker {
  margin: 0 0 12px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.13em;
  color: var(--cy);
}

.page-home .gate__title {
  margin: 0 0 14px;
  max-width: 24ch;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: clamp(26px, 6.6vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-home .gate__lede {
  margin: 0 0 18px;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  opacity: 0.84;
}

.page-home .gate__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-home .gate__facts li {
  padding: 5px 10px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--silver);
  background: rgba(22, 68, 58, 0.66);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

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

/* ---------- 赛季纵轨 ---------- */
.page-home .seasons {
  padding: 14px;
  background: rgba(15, 42, 36, 0.5);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-home .seasons__title {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--dusk);
}

.page-home .seasons__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-home .seasons__btn {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 88px;
  padding: 7px 9px;
  text-decoration: none;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--dusk);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-home .seasons__btn[aria-current="true"] {
  color: var(--cy);
  background: var(--cy-dim);
  box-shadow: inset 0 0 0 1px rgba(37, 242, 198, 0.5);
}

.page-home .seasons__state {
  font-family: var(--font-label);
  font-size: 10px;
  letter-spacing: 0.08em;
  opacity: 0.72;
}

/* ---------- 章节标题 ---------- */
.page-home .chapter-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin: 0 0 22px;
}

.page-home .chapter-num {
  font-family: var(--font-data);
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--silver);
}

.page-home .chapter-num--fill {
  color: var(--cy);
  -webkit-text-stroke: 0;
}

.page-home .chapter-head h2 {
  margin: 0;
  font-family: var(--font-chapter);
  font-weight: 600;
  font-size: clamp(20px, 3.6vw, 30px);
  line-height: 1.3;
  color: var(--mist);
}

.page-home .chapter-note {
  flex-basis: 100%;
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--dusk);
}

/* ---------- 01 数字卡 ---------- */
.page-home .scale__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .scale__item {
  position: relative;
  padding: 22px 18px 20px;
}

.page-home .scale__item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(165deg, var(--ink-1), var(--ink-0) 78%);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%,
    0 var(--home-cut)
  );
}

.page-home .scale__item > * {
  position: relative;
  z-index: 1;
}

.page-home .metric__value {
  display: inline-block;
  margin: 0 0 12px;
  padding-bottom: 6px;
  font-family: var(--font-data);
  font-size: clamp(36px, 8.4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--cy);
  border-bottom: 2px solid rgba(37, 242, 198, 0.42);
  white-space: nowrap;
}

.page-home .metric__label {
  margin: 0 0 8px;
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-home .metric__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--dusk);
}

/* ---------- 02 三类档案 ---------- */
.page-home .archives__banner {
  margin: 0 0 18px;
}

.page-home .frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink-1);
}

.page-home .frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.14) brightness(0.76);
}

.page-home .frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(233, 240, 236, 0.07) 1px, transparent 1px);
  background-size: 3px 3px;
}

.page-home .archives__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

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

.page-home .card {
  position: relative;
  padding: 20px 18px 18px;
  background: linear-gradient(160deg, var(--ink-1), var(--ink-0) 82%);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(
    var(--home-cut) 0,
    100% 0,
    100% calc(100% - var(--home-cut)),
    calc(100% - var(--home-cut)) 100%,
    0 100%,
    0 var(--home-cut)
  );
}

.page-home .card--cup {
  background: linear-gradient(160deg, var(--ink-2), var(--ink-1) 74%);
}

.page-home .card--minutes {
  background: linear-gradient(160deg, rgba(94, 42, 18, 0.55), var(--ink-0) 82%);
}

.page-home .card__tag {
  margin: 0 0 8px;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--or);
}

.page-home .card__lead {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  opacity: 0.86;
}

.page-home .card h3 {
  margin: 0 0 10px;
  font-family: var(--font-chapter);
  font-weight: 600;
  font-size: 21px;
  color: var(--mist);
}

.page-home .card__fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-home .card__fields li {
  padding: 3px 8px;
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--silver);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.page-home .card__note {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--dusk);
}

.page-home .card__link {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--cy);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 242, 198, 0.45);
  padding-bottom: 2px;
}

.page-home .card__link:hover,
.page-home .card__link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- 03 升降级看板 ---------- */
.page-home .boards__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dusk);
}

.page-home .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  vertical-align: middle;
}

.page-home .dot--up { background: var(--cy); }
.page-home .dot--po { background: var(--silver); opacity: 0.7; }
.page-home .dot--dn { background: var(--or); }

.page-home .boards__list {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-home .board {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 8px 12px;
  align-items: center;
  padding: 12px 14px;
  background: rgba(15, 42, 36, 0.56);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-home .board__id {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--silver);
}

.page-home .board__name {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-home .board__bar {
  grid-column: 1 / -1;
  display: flex;
  gap: 2px;
  height: 10px;
}

.page-home .seg {
  display: block;
  height: 100%;
}

.page-home .seg--up { flex: 0 0 34%; background: var(--cy); }
.page-home .seg--po { flex: 0 0 26%; background: var(--silver); opacity: 0.55; }
.page-home .seg--dn { flex: 1 1 auto; background: var(--or); opacity: 0.85; }

.page-home .board:nth-child(2) .seg--up { flex-basis: 28%; }
.page-home .board:nth-child(3) .seg--up { flex-basis: 39%; }
.page-home .board:nth-child(4) .seg--up { flex-basis: 24%; }
.page-home .board:nth-child(5) .seg--up { flex-basis: 32%; }
.page-home .board:nth-child(6) .seg--up { flex-basis: 36%; }

.page-home .board__meta {
  grid-column: 1 / -1;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dusk);
}

.page-home .boards__foot {
  margin: 0 0 22px;
  max-width: 52ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--dusk);
}

.page-home .boards__banner {
  margin: 0;
}

/* ---------- 04 更新节奏 ---------- */
.page-home .cadence__track {
  display: grid;
  gap: 20px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-home .cadence__step {
  position: relative;
  padding-left: 26px;
}

.page-home .cadence__step::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 9px;
  height: 9px;
  background: var(--cy);
  transform: rotate(45deg);
}

.page-home .cadence__step::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 24px;
  bottom: -20px;
  width: 1px;
  background: var(--line-strong);
}

.page-home .cadence__step:last-child::after {
  display: none;
}

.page-home .cadence__value {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--or);
}

.page-home .cadence__step h3 {
  margin: 0 0 6px;
  font-family: var(--font-label);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .cadence__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--dusk);
}

.page-home .cadence__aside {
  margin: 0 0 26px;
  padding: 18px 20px;
  color: var(--ink-0);
  font-size: 14px;
  line-height: 1.85;
}

.page-home .cadence__aside p {
  margin: 0 0 12px;
}

.page-home .cadence__aside-k {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-home .cadence__stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 0 !important;
}

.page-home .season-notes {
  padding: 18px;
  background: rgba(15, 42, 36, 0.45);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-home .season-notes__title {
  margin: 0 0 14px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dusk);
}

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

.page-home .season-notes__list li {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  gap: 4px 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-home .season-notes__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .season-notes__code {
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--cy);
}

.page-home .season-notes__state {
  align-self: center;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--or);
}

.page-home .season-notes__list p {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--dusk);
}

/* ---------- 05 全站索引 ---------- */
.page-home .directory__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .directory__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .directory__num {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--silver);
}

.page-home .directory__item a {
  font-family: var(--font-label);
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .directory__item a:hover,
.page-home .directory__item a:focus-visible {
  color: var(--cy);
  border-bottom-color: var(--cy);
}

.page-home .directory__q {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.75;
  color: var(--dusk);
}

/* ---------- 章节目录轨道 ---------- */
.page-home .home-rail {
  display: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-home .scale__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home {
    padding: 28px 0 110px;
  }

  .page-home .slash-rule {
    margin: 76px 0;
  }

  .page-home .gate {
    grid-template-columns: minmax(0, 1fr) 172px;
    gap: 22px;
  }

  .page-home .gate__frame {
    min-height: 480px;
  }

  .page-home .gate__body {
    padding: 46px 40px 48px;
  }

  .page-home .seasons__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

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

  .page-home .boards__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .cadence__track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-home .cadence__step {
    padding-left: 0;
    padding-top: 30px;
  }

  .page-home .cadence__step::before {
    left: 0;
    top: 4px;
  }

  .page-home .cadence__step::after {
    left: 6px;
    right: -28px;
    top: 8px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
}

@media (min-width: 1024px) {
  .page-home .home-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--home-rail-w);
    gap: 44px;
    align-items: start;
  }

  .page-home .scale__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .metric__value {
    margin-right: -12px;
  }

  .page-home .archives__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 18px;
  }

  .page-home .board {
    grid-template-columns: 44px minmax(0, 1fr) auto;
  }

  .page-home .board__bar {
    grid-column: 1 / -1;
  }

  .page-home .directory__item {
    grid-template-columns: 48px minmax(0, 300px) minmax(0, 1fr);
    gap: 6px 20px;
    align-items: center;
  }

  .page-home .directory__q {
    grid-column: 3;
  }

  .page-home .home-rail {
    display: block;
    position: sticky;
    top: calc(var(--bar-h) + 26px);
  }

  .page-home .home-rail__title {
    margin: 0 0 14px;
    font-family: var(--font-label);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--dusk);
  }

  .page-home .home-rail__list {
    display: grid;
    gap: 11px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .page-home .home-rail__link {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-left: 2px;
    font-family: var(--font-label);
    font-size: 12px;
    letter-spacing: 0.07em;
    color: var(--dusk);
    text-decoration: none;
    transition: color 0.2s var(--ease), transform 0.2s var(--ease);
  }

  .page-home .home-rail__link [data-rail-num] {
    font-family: var(--font-data);
    font-size: 11px;
    color: var(--silver);
  }

  .page-home .home-rail__link[aria-current="location"] {
    color: var(--cy);
    transform: translateX(2px);
  }

  .page-home .home-rail__link[aria-current="location"] [data-rail-num] {
    color: var(--cy);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .seasons__btn,
  .page-home .card__link,
  .page-home .directory__item a,
  .page-home .home-rail__link {
    transition: none;
  }
}