/* ===== 首页专属样式 ===== */

.page-home {
  --home-blue-soft: #E8EEF4;
  --home-blue-line: rgba(26, 58, 92, .14);
  --home-blue-deep: #122A44;
  --home-cream-glass: rgba(245, 240, 232, .78);
  --home-side-pad: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumbs {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.5rem var(--home-side-pad) 0;
  font-family: var(--font-index);
  font-size: .75rem;
  color: var(--color-slate);
}

.page-home .breadcrumbs a {
  color: var(--color-green);
  text-decoration: none;
}

.page-home .breadcrumbs a:hover,
.page-home .breadcrumbs a:focus-visible {
  text-decoration: underline;
}

.page-home .breadcrumbs [aria-current="page"] {
  color: var(--color-ink);
  font-weight: 600;
}

/* ---------- Hero / 章节预览 ---------- */
.page-home .home-hero {
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-blue);
}

.page-home .hero-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-4) var(--home-side-pad) var(--space-5);
}

.page-home .hero-grid {
  display: grid;
  gap: var(--space-5);
}

.page-home .hero-kicker {
  display: inline-block;
  font-family: var(--font-index);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--color-red-orange);
  background: rgba(216, 74, 42, .08);
  border-left: 3px solid var(--color-red-orange);
  padding: .35rem .7rem;
  margin-bottom: var(--space-3);
}

.page-home .hero-copy h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.9rem, 4.5vw, 3.1rem);
  line-height: 1.15;
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
}

.page-home .hero-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: #3F3F3A;
  max-width: 42em;
  margin-bottom: var(--space-4);
}

.page-home .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--font-index);
  font-size: .8125rem;
  color: var(--color-blue);
}

.page-home .hero-meta span {
  background: rgba(255, 255, 255, .65);
  border: 1px solid var(--home-blue-line);
  padding: .3rem .7rem;
  border-radius: var(--radius);
}

.page-home .hero-toc {
  padding: var(--space-4);
  border: 1px solid rgba(26, 58, 92, .18);
  background: var(--home-cream-glass);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
  align-self: start;
}

.page-home .toc-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-blue);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.page-home .toc-title::before {
  content: "▦";
  color: var(--color-green);
  font-size: 1rem;
}

.page-home .toc-list {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
}

.page-home .toc-list li + li {
  margin-top: var(--space-2);
}

.page-home .toc-list a {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .6rem .7rem;
  text-decoration: none;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: .9375rem;
  background: rgba(255, 255, 255, .55);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}

.page-home .toc-list a:hover,
.page-home .toc-list a:focus-visible {
  border-color: var(--color-gold);
  background: rgba(201, 162, 39, .08);
  transform: translateX(4px);
}

.page-home .toc-num {
  font-family: var(--font-index);
  font-size: .8125rem;
  font-weight: 700;
  color: var(--color-green);
}

.page-home .hero-toc .btn {
  display: block;
  text-align: center;
}

/* ---------- 章节通用 ---------- */
.page-home .chapter-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-5) var(--home-side-pad) var(--space-6);
}

.page-home .chapter,
.page-home .home-links {
  scroll-margin-top: calc(var(--header-h-mobile) + 1rem);
}

.page-home .chapter-head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--home-blue-line);
}

.page-home .chapter-index {
  flex: 0 0 auto;
  font-family: var(--font-index);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-green);
  background: rgba(31, 110, 92, .08);
  padding: .4rem .55rem;
  border-radius: var(--radius);
}

.page-home .chapter-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.25;
  color: var(--color-ink);
  margin: 0 0 .3rem;
}

.page-home .chapter-sub {
  font-family: var(--font-index);
  font-size: .8125rem;
  color: var(--color-slate);
  letter-spacing: .03em;
}

/* ---------- 第一章：版本快照 ---------- */
.page-home .snapshot-grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .snapshot-panel {
  background: var(--color-blue);
  color: var(--color-cream);
  padding: var(--space-4);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-home .snapshot-panel .data-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 0 var(--space-3);
  color: var(--color-cream);
}

.page-home .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
}

.page-home .stat {
  background: rgba(255, 255, 255, .08);
  padding: .8rem .9rem;
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-home .stat dt,
.page-home .stat dd {
  margin: 0;
}

.page-home .stat-label {
  font-family: var(--font-index);
  font-size: .6875rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(245, 240, 232, .68);
  margin-bottom: .3rem;
}

.page-home .stat-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.65rem;
  line-height: 1.1;
  color: var(--color-cream);
}

.page-home .snapshot-notes {
  margin: 0;
  padding: var(--space-3) 0 0 var(--space-4);
  border-top: 1px solid rgba(245, 240, 232, .2);
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(245, 240, 232, .85);
}

.page-home .snapshot-notes li + li {
  margin-top: .3rem;
}

.page-home .snapshot-chart,
.page-home .roster-image,
.page-home .watchlist-image {
  margin: 0;
}

.page-home .snapshot-chart img,
.page-home .roster-image img,
.page-home .watchlist-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.page-home .snapshot-chart img {
  border: 1px solid var(--color-blue);
}

.page-home .roster-image img {
  border: 1px solid var(--color-blue);
}

.page-home .watchlist-image img {
  border: 1px solid var(--color-green);
}

.page-home .snapshot-chart figcaption,
.page-home .roster-image figcaption,
.page-home .watchlist-image figcaption {
  font-family: var(--font-index);
  font-size: .75rem;
  color: var(--color-slate);
  padding: .5rem .25rem 0;
}

/* ---------- 第二章：球队库对照 ---------- */
.page-home .alt-chapter {
  max-width: none;
  background-color: var(--home-blue-soft);
  border-top: 1px solid var(--home-blue-line);
  border-bottom: 1px solid var(--home-blue-line);
}

.page-home .roster-grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .roster-copy p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.page-home .roster-copy h3,
.page-home .tactic-tip h3,
.page-home .download-cards h3,
.page-home .expert-cards h3,
.page-home .link-grid h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-ink);
  margin: 0 0 .5rem;
}

.page-home .steps-list {
  margin: 0 0 var(--space-3);
  padding-left: 1.25rem;
  font-family: var(--font-body);
  font-size: .9375rem;
  line-height: 1.7;
}

.page-home .steps-list li + li {
  margin-top: .4rem;
}

.page-home .expand-box {
  border: 1px solid var(--home-blue-line);
  background: rgba(255, 255, 255, .6);
  border-radius: var(--radius);
}

.page-home .expand-box summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: .9375rem;
  padding: .8rem 1rem;
  color: var(--color-blue);
  list-style: none;
}

.page-home .expand-box summary::-webkit-details-marker {
  display: none;
}

.page-home .expand-box summary::before {
  content: "＋ ";
  color: var(--color-green);
}

.page-home .expand-box[open] summary::before {
  content: "－ ";
}

.page-home .expand-box summary:hover,
.page-home .expand-box summary:focus-visible {
  background: rgba(26, 58, 92, .05);
}

.page-home .expand-content {
  padding: 0 1rem 1rem 1.5rem;
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--color-ink);
}

/* ---------- 第三章：关注列表 ---------- */
.page-home .watchlist-grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .watchlist-content > p {
  font-family: var(--font-body);
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.page-home .watchlist-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
}

.page-home .tactic-tip {
  background: rgba(31, 110, 92, .06);
  border-left: 4px solid var(--color-green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-3) var(--space-4);
}

.page-home .tactic-tip p {
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

/* ---------- 第四章：客户端下载 ---------- */
.page-home .download-chapter {
  max-width: none;
  background-color: var(--home-blue-deep);
  color: var(--color-cream);
}

.page-home .download-chapter .chapter-head {
  border-bottom-color: rgba(245, 240, 232, .2);
}

.page-home .download-chapter .chapter-title {
  color: var(--color-cream);
}

.page-home .download-chapter .chapter-sub {
  color: rgba(245, 240, 232, .65);
}

.page-home .download-chapter .chapter-index {
  color: var(--color-gold);
  background: rgba(201, 162, 39, .12);
}

.page-home .download-layout {
  display: grid;
  gap: var(--space-4);
}

.page-home .download-banner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(245, 240, 232, .2);
}

.page-home .download-image {
  margin: 0;
}

.page-home .download-image img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .download-overlay {
  padding: var(--space-4);
  background: rgba(245, 240, 232, .92);
  border: 1px solid rgba(201, 162, 39, .32);
}

.page-home .download-overlay h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-ink);
  margin: 0 0 .5rem;
}

.page-home .download-overlay p {
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.7;
  color: #3F3F3A;
  margin-bottom: var(--space-3);
}

.page-home .download-cards {
  display: grid;
  gap: var(--space-3);
}

.page-home .download-cards .card {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(245, 240, 232, .18);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.page-home .download-cards .card h3 {
  color: var(--color-cream);
}

.page-home .download-cards .card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(245, 240, 232, .88);
}

.page-home .download-cards .card li + li {
  margin-top: .35rem;
}

.page-home .download-cards .professional-card {
  border-color: var(--color-gold);
  background: rgba(201, 162, 39, .12);
}

/* ---------- 第五章：专家专栏 ---------- */
.page-home .expert-grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .expert-copy > p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-heading);
  font-size: .875rem;
  margin-bottom: var(--space-3);
  padding: .7rem .9rem;
  background: rgba(255, 255, 255, .6);
  border: 1px solid var(--home-blue-line);
  border-radius: var(--radius);
}

.page-home .filter-label {
  font-weight: 600;
  color: var(--color-ink);
}

.page-home .filter-chip {
  display: inline-block;
  padding: .25rem .8rem;
  border-radius: 999px;
  background: var(--color-cream);
  border: 1px solid var(--home-blue-line);
  color: var(--color-blue);
  font-size: .8125rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.page-home .filter-chip.is-active {
  background: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-cream);
}

.page-home .filter-chip:not(.is-active):hover,
.page-home .filter-chip:not(.is-active):focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.page-home .expert-list {
  margin: 0;
  padding-left: 1.25rem;
  font-family: var(--font-body);
  font-size: .9375rem;
  line-height: 1.75;
}

.page-home .expert-list li + li {
  margin-top: .4rem;
}

.page-home .expert-cards {
  display: grid;
  gap: var(--space-3);
}

.page-home .research-card {
  background: var(--color-blue);
  color: var(--color-cream);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.page-home .research-card h3 {
  color: var(--color-gold);
}

.page-home .research-card p {
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(245, 240, 232, .9);
  margin: 0;
}

.page-home .expert-cards .card {
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--home-blue-line);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.page-home .expert-cards .card p {
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--color-ink);
  margin: 0;
}

/* ---------- 更多入口 ---------- */
.page-home .home-links {
  border-top: 1px solid var(--home-blue-line);
}

.page-home .links-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.page-home .link-grid {
  display: grid;
  gap: var(--space-3);
}

.page-home .link-grid .card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: var(--space-4);
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--home-blue-line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-ink);
  transition: border-color .2s ease, transform .2s ease;
}

.page-home .link-grid .card:hover,
.page-home .link-grid .card:focus-visible {
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.page-home .link-num {
  font-family: var(--font-index);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-green);
}

.page-home .link-grid .card p {
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.6;
  color: var(--color-slate);
  margin: 0;
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .toc-list a,
  .page-home .link-grid .card {
    transition: none;
    transform: none;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, .8fr);
    gap: var(--space-5);
    align-items: start;
  }

  .page-home .chapter-inner {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .page-home .snapshot-grid {
    grid-template-columns: minmax(320px, .9fr) minmax(0, 1.1fr);
    gap: var(--space-5);
    align-items: center;
  }

  .page-home .roster-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: center;
  }

  .page-home .watchlist-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: center;
  }

  .page-home .download-overlay {
    position: absolute;
    right: var(--space-5);
    bottom: var(--space-5);
    max-width: 400px;
    border-radius: var(--radius);
  }

  .page-home .download-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .page-home .expert-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
    gap: var(--space-5);
    align-items: start;
  }

  .page-home .link-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
}