.page-home {
  --home-grid: 48px;
  --home-soft: rgba(16, 22, 26, 0.72);
  --home-paper-soft: rgba(242, 240, 230, 0.72);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumbs {
  padding: 14px 0 0;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(32px, 5vw, 64px);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--home-grid) var(--home-grid);
  border-bottom: 1px solid var(--line-light);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: stretch;
}

.page-home .home-hero__eyebrow {
  color: var(--moss);
}

.page-home .home-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(28px, 4.6vw, 52px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .home-hero__lede {
  margin: 0 0 24px;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--home-soft);
}

.page-home .home-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 26px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-home .home-fact {
  background: var(--card);
  padding: 14px 16px;
}

.page-home .home-fact dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-home .home-fact dd {
  margin: 8px 0 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--deep);
}

.page-home .home-fact dd span {
  margin-left: 2px;
  font-size: 13px;
  color: var(--moss);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .home-hero__visual {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .home-hero__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--deep);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  box-shadow: var(--shadow-2);
}

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

.page-home .home-hero__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(182, 255, 60, 0.16) 0 1px, transparent 1px var(--home-grid)),
    repeating-linear-gradient(0deg, rgba(182, 255, 60, 0.1) 0 1px, transparent 1px var(--home-grid));
}

.page-home .home-hero__visual figcaption {
  padding-left: 12px;
  border-left: 2px solid var(--signal);
  font-size: 13px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--rock);
}

/* ---------- 比分台横幅 ---------- */
.page-home .home-tape {
  padding: clamp(28px, 4vw, 56px) 0;
  background: var(--deep);
  color: var(--paper);
  border-top: 1px solid rgba(182, 255, 60, 0.28);
  background-image:
    linear-gradient(var(--grid-line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-dark) 1px, transparent 1px);
  background-size: var(--home-grid) var(--home-grid);
}

.page-home .home-tape__eyebrow {
  color: var(--signal);
}

.page-home .home-tape__title {
  max-width: 26ch;
  margin: 10px 0 14px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .home-tape__note {
  max-width: 62ch;
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--home-paper-soft);
}

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

.page-home .home-tape__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
}

.page-home .home-tape__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(242, 240, 230, 0.6);
}

/* ---------- 正文骨架 ---------- */
.page-home .home-body {
  padding: clamp(32px, 5vw, 72px) 0 clamp(40px, 6vw, 88px);
}

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

.page-home .home-body__toc {
  order: -1;
}

.page-home .home-block {
  margin-top: clamp(32px, 4vw, 56px);
  padding-top: clamp(24px, 3vw, 40px);
  border-top: 1px solid var(--line-light);
}

.page-home .home-body__main > .home-block:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-home .home-block__title {
  margin: 8px 0 12px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-home .home-block__lede {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--home-soft);
}

/* ---------- 章节目录 ---------- */
.page-home .toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-home .toc__list li {
  flex: 0 0 auto;
}

.page-home .toc__link {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--rock);
  background: var(--card);
  border: 1px solid var(--line-light);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .toc__link:hover,
.page-home .toc__link:focus-visible {
  color: var(--deep);
  border-color: var(--moss);
}

.page-home .toc__link[aria-current="true"] {
  color: var(--deep);
  border-color: var(--signal);
  font-weight: 600;
}

/* ---------- 净胜球 ---------- */
.page-home .home-gd {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin: 24px 0;
}

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

.page-home .home-gd__figure img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--card);
  border: 1px solid var(--line-light);
}

.page-home .home-gd__figure figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--rock);
}

.page-home .home-gd__legend {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line-light);
}

.page-home .home-gd__legend-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--rock);
}

.page-home .home-gd__list {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ink);
}

.page-home .home-gd__list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-home .chip {
  display: inline-block;
  flex: 0 0 auto;
  width: 22px;
  height: 8px;
}

.page-home .chip--steel { background: var(--steel); }
.page-home .chip--clay { background: var(--clay); }
.page-home .chip--amber { background: var(--amber); }

.page-home .home-gd__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-light);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .home-block .table-wrap {
  margin-top: 20px;
}

/* ---------- 维度卡片 ---------- */
.page-home .home-dims {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-home .dim-card {
  background: var(--card);
  border: 1px solid var(--line-light);
  border-radius: var(--r);
  box-shadow: var(--shadow-1);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-home .dim-card:hover {
  transform: translateY(-2px);
  border-color: var(--moss);
  box-shadow: var(--shadow-2);
}

.page-home .dim-card__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 16px 18px;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  border-radius: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  appearance: none;
}

.page-home .dim-card__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-home .dim-card__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .dim-card__chev {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--rock);
  border-bottom: 1.5px solid var(--rock);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 200ms var(--ease);
}

.page-home .dim-card__head[aria-expanded="false"] .dim-card__chev {
  transform: rotate(-45deg) translate(-2px, 0);
}

.page-home .dim-card__body {
  padding: 0 18px 18px;
}

.page-home .dim-card[data-open="false"] .dim-card__body {
  display: none;
}

.page-home .dim-card__metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 16px 0 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-home .dim-card__metric .mono {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--deep);
}

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

.page-home .dim-card__figure {
  margin: 16px 0 0;
}

.page-home .dim-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-light);
}

/* ---------- 复盘 ---------- */
.page-home .home-reviews {
  margin-top: clamp(32px, 4vw, 56px);
  padding: clamp(22px, 3vw, 36px);
  background: var(--deep);
  color: var(--paper);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
}

.page-home .home-reviews__eyebrow {
  color: var(--signal);
}

.page-home .home-reviews__title {
  margin: 10px 0 12px;
  font-size: clamp(21px, 2.8vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .home-reviews__lede {
  max-width: 62ch;
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--home-paper-soft);
}

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

.page-home .home-reviews .tag {
  color: rgba(242, 240, 230, 0.88);
  border-color: rgba(201, 207, 210, 0.34);
  background: rgba(242, 240, 230, 0.05);
}

.page-home .review-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(201, 207, 210, 0.18);
}

.page-home .review-item {
  padding: 16px 0;
  border-bottom: 1px solid rgba(201, 207, 210, 0.18);
}

.page-home .review-item__meta {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-home .review-item__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-home .review-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 240, 230, 0.68);
}

.page-home .home-reviews .btn--ghost {
  color: var(--paper);
  border-color: rgba(201, 207, 210, 0.42);
}

.page-home .home-reviews .btn--ghost:hover,
.page-home .home-reviews .btn--ghost:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

/* ---------- 索引 ---------- */
.page-home .idx-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.page-home .idx-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-home .idx-item__code {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-home .idx-item__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .idx-item__count {
  font-size: 13px;
  color: var(--moss);
}

.page-home .home-index__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--rock);
}

.page-home .home-index__note a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid var(--moss);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-home .home-index__note a:hover,
.page-home .home-index__note a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-home .home-gd {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-home .home-dims {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-home .dim-card--half { grid-column: span 3; }
  .page-home .dim-card--third { grid-column: span 2; }
  .page-home .dim-card--wide { grid-column: span 4; }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

@media (min-width: 1000px) {
  .page-home .home-body__grid {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 56px;
    align-items: start;
  }
  .page-home .home-body__toc {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-home .toc__list {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }
  .page-home .toc__link {
    padding: 9px 0 9px 14px;
    white-space: normal;
    background: none;
    border: 0;
    border-left: 2px solid var(--line-light);
  }
  .page-home .toc__link[aria-current="true"] {
    border-left-color: var(--signal);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .dim-card,
  .page-home .toc__link,
  .page-home .dim-card__chev,
  .page-home .home-index__note a {
    transition: none;
  }
  .page-home .dim-card:hover {
    transform: none;
  }
}