.page-home {
  --ph-block: clamp(56px, 9vw, 112px);
  --ph-gap: clamp(28px, 4vw, 56px);
  display: block;
  background: var(--c-paper);
  color: var(--ink-body);
}

.page-home a:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--c-flame);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--on-dark);
  background: linear-gradient(158deg, var(--c-rampart) 0%, var(--c-ink) 54%, var(--c-deep) 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(228, 230, 232, .075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(228, 230, 232, .075) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -6%;
  bottom: 0;
  width: 52%;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(226, 102, 42, .14), rgba(226, 102, 42, 0) 72%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
}

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

.page-home .home-hero__grid {
  display: grid;
  gap: var(--ph-gap);
  padding-top: clamp(48px, 9vw, 108px);
  padding-bottom: clamp(36px, 6vw, 68px);
}

.page-home .home-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--on-dark-dim);
}

.page-home .home-hero__kicker .mono {
  color: var(--c-flame);
  letter-spacing: .16em;
}

.page-home .home-hero__kicker-sep {
  display: block;
  width: 32px;
  height: 1px;
  background: var(--c-flame);
}

.page-home .home-hero__title {
  margin: 0 0 22px;
  max-width: 16ch;
  font-size: clamp(32px, 7vw, 74px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: #FFFFFF;
}

.page-home .home-hero__desc {
  margin: 0 0 30px;
  max-width: 40ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--on-dark-dim);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(228, 230, 232, .2);
  object-fit: cover;
}

.page-home .home-hero__figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--on-dark-faint);
}

/* ---------- 四条路径 ---------- */
.page-home .path-strip {
  padding-bottom: clamp(44px, 6vw, 76px);
}

.page-home .path-strip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(228, 230, 232, .18);
}

.page-home .path-strip__item {
  border-bottom: 1px solid rgba(228, 230, 232, .18);
}

.page-home .path-strip__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 18px 22px 0;
  text-decoration: none;
  color: inherit;
  transition: background-color var(--dur) var(--ease);
}

.page-home .path-strip__index {
  grid-row: 1 / span 2;
  padding-top: 5px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--c-flame);
  transition: color var(--dur) var(--ease);
}

.page-home .path-strip__name {
  font-size: 19px;
  font-weight: 700;
  color: #FFFFFF;
  transition: transform var(--dur) var(--ease);
}

.page-home .path-strip__text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}

.page-home .path-strip__link:hover .path-strip__name,
.page-home .path-strip__link:focus-visible .path-strip__name {
  transform: translateY(-2px);
}

.page-home .path-strip__link:hover .path-strip__index,
.page-home .path-strip__link:focus-visible .path-strip__index {
  color: var(--c-ember);
}

/* ---------- 章节底色 ---------- */
.page-home .home-block {
  padding: var(--ph-block) 0;
}

.page-home .home-block--paper { background: var(--c-paper); }
.page-home .home-block--stone { background: var(--c-stone); }
.page-home .home-block--deep { background: var(--c-deep); color: var(--on-dark); }
.page-home .home-block--ink { background: var(--c-ink); color: var(--on-dark); }

/* ---------- 章节带 ---------- */
.page-home .chapter-band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 20px;
  padding-top: 20px;
  margin-bottom: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line-light);
}

.page-home .chapter-band__index {
  padding-top: 7px;
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--c-flame);
}

.page-home .chapter-band__title {
  margin: 0 0 10px;
  font-size: clamp(25px, 3.4vw, 42px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--c-ink);
}

.page-home .chapter-band__note {
  margin: 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mid);
}

.page-home .home-block--deep .chapter-band,
.page-home .home-block--ink .chapter-band {
  border-top-color: var(--line-dark);
}

.page-home .home-block--deep .chapter-band__title,
.page-home .home-block--ink .chapter-band__title {
  color: #FFFFFF;
}

.page-home .home-block--deep .chapter-band__note,
.page-home .home-block--ink .chapter-band__note {
  color: var(--on-dark-dim);
}

/* ---------- 分栏 ---------- */
.page-home .split {
  display: grid;
  gap: var(--ph-gap);
}

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

.page-home .section-lead {
  margin: 0 0 22px;
  max-width: 42ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.9;
}

.page-home .home-block--deep .section-lead,
.page-home .home-block--ink .section-lead {
  color: var(--on-dark-dim);
}

.page-home .section-lead:last-of-type {
  margin-bottom: 26px;
}

/* ---------- 阵容四类记录 ---------- */
.page-home .rec-list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  border-top: 1px solid var(--line-light);
}

.page-home .rec-list__item {
  display: grid;
  grid-template-columns: 12px minmax(0, auto) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-home .rec-list__bar {
  width: 12px;
  height: 3px;
  transform: translateY(-4px);
  transition: width var(--dur) var(--ease);
}

.page-home .rec-list__item:hover .rec-list__bar {
  width: 20px;
}

.page-home .rec-list__bar--in { background: var(--c-field); }
.page-home .rec-list__bar--out { background: var(--c-flame); }
.page-home .rec-list__bar--hurt { background: var(--c-mid); }
.page-home .rec-list__bar--tmp { background: var(--c-brick); }

.page-home .rec-list__label {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-home .rec-list__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mid);
}

/* ---------- 轮次轴 ---------- */
.page-home .axis {
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  scrollbar-width: thin;
}

.page-home .home-block--deep .axis {
  border-color: var(--line-dark);
}

.page-home .axis__tick {
  flex: 0 0 auto;
  min-width: 112px;
  padding: 15px 16px;
  border-right: 1px solid var(--line-light);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-mid);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-home .home-block--deep .axis__tick {
  border-right-color: var(--line-dark);
  color: var(--on-dark-faint);
}

.page-home .axis__tick:hover,
.page-home .axis__tick:focus-visible {
  color: var(--c-flame);
  background: var(--wash-flame);
}

.page-home .home-block--deep .axis__tick:hover,
.page-home .home-block--deep .axis__tick:focus-visible {
  color: var(--c-ember);
  background: rgba(226, 102, 42, .12);
}

.page-home .axis__tick[aria-current="true"] {
  color: var(--c-flame);
  box-shadow: inset 0 -2px 0 var(--c-flame);
}

.page-home .home-block--deep .axis__tick[aria-current="true"] {
  color: var(--c-ember);
  box-shadow: inset 0 -2px 0 var(--c-ember);
}

/* ---------- 榜单数字 ---------- */
.page-home .board-figures {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-dark);
}

.page-home .board-figures__cell {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-home .board-figures__num {
  flex: 0 0 auto;
  min-width: 2ch;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-ember);
}

.page-home .board-figures__label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

/* ---------- 目录列表 ---------- */
.page-home .catalog-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--line-light);
}

.page-home .catalog-list__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-home .catalog-list__num {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-flame);
}

.page-home .catalog-list__name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-home .catalog-list__desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mid);
}

/* ---------- 折叠卡片 ---------- */
.page-home .fold-group {
  border-top: 1px solid var(--line-light);
}

.page-home .fold {
  background: #FFFFFF;
  border: 1px solid var(--line-light);
  border-top: 0;
}

.page-home .fold__summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 18px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.page-home .fold__summary::-webkit-details-marker {
  display: none;
}

.page-home .fold__summary:hover {
  background: var(--wash-flame);
}

.page-home .fold__index {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-flame);
}

.page-home .fold__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-home .fold__marker {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-home .fold__marker::before,
.page-home .fold__marker::after {
  content: "";
  position: absolute;
  background: var(--c-mid);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-home .fold__marker::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-home .fold__marker::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-home .fold[open] .fold__marker::after {
  transform: scaleY(0);
}

.page-home .fold__summary:hover .fold__marker::before,
.page-home .fold__summary:hover .fold__marker::after {
  background: var(--c-flame);
}

.page-home .fold__body {
  padding: 0 18px 22px 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-body);
}

.page-home .fold__body p {
  margin: 0 0 10px;
  max-width: 44ch;
}

.page-home .fold__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 版本堆叠 ---------- */
.page-home .version-stack {
  border-top: 1px solid var(--line-light);
}

.page-home .version-stack__row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-home .version-stack__v {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--c-flame);
}

.page-home .version-stack__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mid);
}

/* ---------- 更新节奏与联络 ---------- */
.page-home .pace-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-dark);
}

.page-home .pace-grid__cell {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-home .pace-grid__num {
  flex: 0 0 auto;
  min-width: 3ch;
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-flame);
}

.page-home .pace-grid__label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

.page-home .pace-contact {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--line-dark);
}

.page-home .pace-contact__text {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.9;
  color: var(--on-dark-dim);
}

.page-home .pace-contact__mail {
  margin: 0 0 24px;
  font-size: clamp(17px, 2vw, 22px);
  letter-spacing: .04em;
  color: var(--c-ember);
}

.page-home .pace-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-home .back-top {
  margin: clamp(36px, 5vw, 56px) 0 0;
}

.page-home .home-block--ink .link-arrow {
  color: var(--on-dark-dim);
}

.page-home .home-block--ink .link-arrow:hover,
.page-home .home-block--ink .link-arrow:focus-visible {
  color: var(--c-ember);
}

/* ---------- 图片框兜底 ---------- */
.page-home .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .path-strip__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .path-strip__item:nth-child(odd) {
    border-right: 1px solid rgba(228, 230, 232, .18);
  }

  .page-home .path-strip__link {
    padding: 22px 22px 24px 22px;
  }

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

  .page-home .board-figures__cell {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 20px 20px 22px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line-dark);
  }

  .page-home .board-figures__cell:last-child {
    border-right: 0;
  }

  .page-home .board-figures__cell:not(:first-child) {
    padding-left: 20px;
  }

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

  .page-home .pace-grid__cell {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 22px 20px 24px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line-dark);
  }

  .page-home .pace-grid__cell:last-child {
    border-right: 0;
  }

  .page-home .pace-grid__cell:not(:first-child) {
    padding-left: 20px;
  }

  .page-home .fold__summary {
    padding: 20px 24px;
  }

  .page-home .fold__body {
    padding: 0 24px 24px 62px;
  }
}

@media (min-width: 900px) {
  .page-home .split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-home .split--flip {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .page-home .home-hero__figure img {
    aspect-ratio: 16 / 9;
    clip-path: polygon(7% 0, 100% 0, 100% 100%, 0 100%);
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1100px) {
  .page-home .path-strip__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .path-strip__item,
  .page-home .path-strip__item:nth-child(odd) {
    border-right: 1px solid rgba(228, 230, 232, .18);
  }

  .page-home .path-strip__item:nth-child(4n) {
    border-right: 0;
  }

  .page-home .path-strip__link {
    padding: 24px 24px 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 1ms !important;
  }
}