.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(44px, 6.5vw, 92px) clamp(36px, 5vw, 64px);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: min(760px, 90vw);
  height: min(760px, 90vw);
  background: radial-gradient(circle at 60% 40%, rgba(201, 162, 39, 0.16), transparent 68%);
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 52px);
  align-items: end;
}

.page-home .home-hero__lead .display-1 {
  margin-block: 14px 0;
  max-width: 20ch;
}

.page-home .home-hero__lead .lede {
  margin-block: 20px 0;
  max-width: 46ch;
}

.page-home .home-hero__meta {
  margin-block: 18px 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block: 26px 0;
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--royal-800);
}

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

.page-home .home-hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--gold-soft);
  background: rgba(10, 26, 42, 0.82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.page-home .chapter-list {
  list-style: none;
  margin: clamp(34px, 5vw, 58px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .chapter-list__item a {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.3s var(--ease);
}

.page-home .chapter-list__no {
  font-family: var(--font-mono);
  font-size: var(--step-0);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-home .chapter-list__body {
  display: grid;
  gap: 4px;
}

.page-home .chapter-list__title {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--paper);
}

.page-home .chapter-list__desc {
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--mist);
}

.page-home .chapter-list__item a:hover .chapter-list__title,
.page-home .chapter-list__item a:focus-visible .chapter-list__title {
  color: var(--gold-soft);
}

.page-home .chapter-list__item a:hover .chapter-list__no,
.page-home .chapter-list__item a:focus-visible .chapter-list__no {
  color: var(--gold-soft);
}

/* 栏目棋盘 */
.page-home .home-columns {
  padding-block: clamp(48px, 6vw, 88px);
}

.page-home .home-columns__head {
  display: grid;
  gap: 18px;
  margin-block: 18px clamp(26px, 4vw, 40px);
}

.page-home .home-columns__head .body-text {
  max-width: 62ch;
}

.page-home .home-columns__figure {
  margin-block: 0 clamp(26px, 4vw, 40px);
}

.page-home .chess {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .chess__item {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(23, 54, 78, 0.62);
  border: 1px solid var(--line-soft);
  text-decoration: none;
  color: inherit;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-home .chess__item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.45s var(--ease);
}

.page-home .chess__item:hover,
.page-home .chess__item:focus-visible {
  background: rgba(23, 54, 78, 0.92);
  border-color: var(--line);
}

.page-home .chess__item:hover::after,
.page-home .chess__item:focus-visible::after {
  width: 100%;
}

.page-home .chess__no {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .chess__name {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--paper);
}

.page-home .chess__desc {
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--mist);
}

.page-home .chess__path {
  margin-block-start: 4px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: rgba(159, 179, 196, 0.6);
}

.page-home .chess__item--a .chess__name {
  font-size: var(--step-2);
}

.page-home .chess__item--c {
  background: rgba(47, 127, 140, 0.22);
  border-color: rgba(47, 127, 140, 0.42);
}

.page-home .chess__item--e {
  background: rgba(166, 83, 63, 0.18);
  border-color: rgba(166, 83, 63, 0.4);
}

/* 版本速览 */
.page-home .home-versions {
  padding-block: clamp(48px, 6vw, 88px);
}

.page-home .home-versions__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  margin-block-start: 16px;
}

.page-home .home-versions__main .display-2 {
  margin-block: 0 16px;
}

.page-home .home-versions__main .body-text {
  max-width: 58ch;
  margin-block-end: clamp(20px, 3vw, 30px);
}

.page-home .ver-table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: clamp(20px, 3vw, 28px);
  text-align: left;
}

.page-home .ver-table__caption {
  text-align: left;
  padding-block-end: 10px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--amber-ink);
}

.page-home .ver-table th,
.page-home .ver-table td {
  padding: 14px 12px;
  border-bottom: 1px solid rgba(10, 26, 42, 0.16);
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--ink-on-paper);
  vertical-align: top;
}

.page-home .ver-table thead th {
  background: rgba(10, 26, 42, 0.07);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--royal-800);
  border-bottom: 1px solid rgba(10, 26, 42, 0.28);
}

.page-home .ver-table tbody th {
  font-family: var(--font-mono);
  font-size: var(--step-0);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber-ink);
  white-space: nowrap;
}

.page-home .ver-table tbody tr:hover {
  background: rgba(201, 162, 39, 0.1);
}

.page-home .home-versions__aside {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  align-content: start;
}

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

.page-home .home-versions__note {
  border-left: 1px solid rgba(10, 26, 42, 0.28);
  padding-left: 18px;
}

.page-home .home-versions__note .heading-3 {
  margin-block: 0 10px;
  color: var(--ink-on-paper);
}

.page-home .home-versions__note .note {
  color: rgba(10, 26, 42, 0.76);
}

/* 跨端指南 */
.page-home .home-guide {
  padding-block: clamp(48px, 6vw, 88px);
}

.page-home .home-guide__head {
  display: grid;
  gap: 16px;
  margin-block: 16px clamp(26px, 4vw, 40px);
}

.page-home .home-guide__head .body-text {
  max-width: 62ch;
}

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

.page-home .guide-panel {
  padding: clamp(20px, 2.8vw, 30px);
  background: rgba(23, 54, 78, 0.68);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--gold);
}

.page-home .guide-panel--lake {
  border-top-color: var(--lake);
  background: rgba(23, 54, 78, 0.5);
}

.page-home .guide-panel__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.page-home .guide-panel--lake .guide-panel__tag {
  color: var(--lake);
}

.page-home .guide-panel .heading-3 {
  margin-block: 0 14px;
  color: var(--paper);
}

.page-home .guide-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .guide-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--step--1);
  line-height: 1.78;
  color: var(--mist);
}

.page-home .guide-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.page-home .guide-panel--lake .guide-list li::before {
  background: var(--lake);
}

.page-home .guide-panel__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-home .guide-panel__link:hover,
.page-home .guide-panel__link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

.page-home .home-guide__figure {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

/* 运营刻度 */
.page-home .home-record {
  padding-block: clamp(48px, 6vw, 88px);
}

.page-home .home-record .display-2 {
  margin-block: 16px clamp(28px, 4vw, 44px);
}

.page-home .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 28px);
}

.page-home .stat {
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-home .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--gold-soft);
  line-height: 1.1;
}

.page-home .stat__label {
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .home-record__foot {
  display: grid;
  gap: 20px;
  margin-block-start: clamp(30px, 4vw, 44px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-home .home-record__foot .body-text {
  max-width: 72ch;
}

.page-home .home-record__foot .btn {
  justify-self: start;
}

/* 回访路径 */
.page-home .home-again {
  padding-block: clamp(48px, 6vw, 88px);
}

.page-home .home-again .display-2 {
  margin-block: 16px clamp(26px, 4vw, 40px);
}

.page-home .return-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
}

.page-home .return-step {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-home .return-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-block-end: 8px;
}

.page-home .return-step .heading-3 {
  margin-block: 0 10px;
  color: var(--paper);
}

.page-home .return-step .body-text {
  font-size: var(--step--1);
  color: var(--mist);
  max-width: 40ch;
}

.page-home .home-again__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block: clamp(30px, 4vw, 44px) 0;
}

.page-home .home-again__note {
  margin-block-start: 20px;
  max-width: 60ch;
}

@media (min-width: 700px) {
  .page-home .chess {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .guide-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

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

  .page-home .chapter-list__item a {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    align-items: baseline;
  }

  .page-home .chapter-list__body {
    grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-home .home-hero__figure {
    aspect-ratio: 1 / 1;
  }

  .page-home .home-columns__head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
    gap: 32px;
  }

  .page-home .home-columns__head .display-2 {
    margin: 0;
  }

  .page-home .chess {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px;
  }

  .page-home .chess__item--a { grid-column: span 6; }
  .page-home .chess__item--b { grid-column: span 3; }
  .page-home .chess__item--c { grid-column: span 3; }
  .page-home .chess__item--d { grid-column: span 4; }
  .page-home .chess__item--e { grid-column: span 4; }
  .page-home .chess__item--f { grid-column: span 2; }
  .page-home .chess__item--g { grid-column: span 2; }

  .page-home .home-versions__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
  }

  .page-home .home-again .display-2 {
    max-width: 24ch;
  }

  .page-home .return-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

  .page-home .home-record__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 40px;
  }
}

@media (min-width: 1180px) {
  .page-home .stat-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 679px) {
  .page-home .ver-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  .page-home .ver-table tbody tr {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid rgba(10, 26, 42, 0.16);
  }

  .page-home .ver-table tbody th,
  .page-home .ver-table tbody td {
    display: grid;
    grid-template-columns: 4.6rem minmax(0, 1fr);
    gap: 10px;
    padding: 4px 0;
    border: 0;
  }

  .page-home .ver-table tbody th::before,
  .page-home .ver-table tbody td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.06em;
    color: var(--amber-ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chess__item,
  .page-home .chess__item::after,
  .page-home .chapter-list__item a,
  .page-home .guide-panel__link {
    transition: none;
  }
}