/* ============ 首页 · page-home ============ */

.page-home {
  --home-gap: clamp(2.4rem, 6vw, 5rem);
  --home-deep: #2A332F;
  --home-soft: #46524C;
  --home-shadow: 6px 6px 0 0 rgba(0, 0, 0, .55);
  display: block;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 分屏首屏 ---------- */

.page-home .hero-split {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: calc(var(--header-h) + clamp(1.25rem, 4vw, 2.5rem)) var(--gutter) clamp(2.5rem, 5vw, 4rem);
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .hero-copy {
  min-width: 0;
}

.page-home .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  font-size: .78rem;
}

.page-home .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .breadcrumb-item {
  color: var(--steel);
}

.page-home .breadcrumb-link {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .breadcrumb-link:hover,
.page-home .breadcrumb-link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-home .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1.1rem;
  padding: .32rem .75rem;
  border: 1px solid var(--ink-4);
  background: var(--ink-2);
  font-family: var(--f-num);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-home .hero-kicker .num {
  color: var(--orange);
  font-weight: 700;
}

.page-home .hero-copy h1 {
  margin: 0 0 1.25rem;
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2.3rem, 7.4vw, 5.2rem);
  line-height: 1.0;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-home .hero-copy h1 strong {
  display: inline-block;
  font-weight: 800;
  color: var(--lime);
}

.page-home .hero-lede {
  max-width: 58ch;
  margin: 0 0 1.75rem;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--steel);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
}

.page-home .hero-figure {
  margin: 0;
}

.page-home .hero-frame {
  aspect-ratio: 16 / 10;
  border: 2px solid var(--ink-4);
  box-shadow: var(--home-shadow);
}

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

.page-home .hero-figure-note {
  margin: .85rem 0 0;
  font-family: var(--f-num);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-home .hero-figure-note .num {
  color: var(--lime);
  font-weight: 700;
}

/* ---------- 右侧索引 ---------- */

.page-home .hero-index {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--ink-4);
  background: var(--ink-2);
  box-shadow: var(--home-shadow);
  min-width: 0;
}

.page-home .index-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 1.15rem;
  border-bottom: 2px solid var(--ink-4);
  background: var(--ink-3);
}

.page-home .index-title {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-home .index-count {
  font-family: var(--f-num);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-home .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  max-height: 520px;
}

.page-home .index-item {
  border-bottom: 1px solid var(--ink-4);
}

.page-home .index-item:last-child {
  border-bottom: 0;
}

.page-home .index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .2rem .9rem;
  padding: .95rem 1.15rem;
  text-decoration: none;
  color: inherit;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  background: var(--ink-4);
  transform: translateX(5px);
  outline: none;
}

.page-home .index-num {
  grid-row: 1 / span 2;
  padding-top: .18rem;
  font-family: var(--f-num);
  font-size: .78rem;
  font-weight: 700;
  color: var(--orange);
}

.page-home .index-label {
  font-family: var(--f-display);
  font-size: 1.16rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .index-desc {
  font-size: .84rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 通用分节 ---------- */

.page-home .band {
  padding: var(--home-gap) var(--gutter);
  border-top: 2px solid var(--ink-4);
}

.page-home .band-inner {
  max-width: var(--shell-w);
  margin: 0 auto;
  min-width: 0;
}

.page-home .band--ink2 {
  background: var(--ink-2);
}

.page-home .band--cream {
  background: var(--cream);
  color: var(--ink);
}

.page-home .section-head {
  margin-bottom: clamp(1.6rem, 3.5vw, 2.75rem);
}

.page-home .eyebrow {
  margin: 0 0 .7rem;
  font-family: var(--f-num);
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-home .band--cream .eyebrow {
  color: var(--orange);
}

.page-home .section-title {
  margin: 0 0 .9rem;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-home .band--cream .section-title {
  color: var(--ink);
}

.page-home .section-lede {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(.98rem, 1.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--steel);
}

.page-home .band--cream .section-lede {
  color: var(--home-soft);
}

/* ---------- 核心指标 ---------- */

.page-home .metrics-layout {
  display: grid;
  gap: 1rem;
}

.page-home .metric-card {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: 1.3rem;
  border: 2px solid var(--ink-4);
  background: var(--ink-3);
  box-shadow: var(--home-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .metric-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lime);
}

.page-home .metric-card .card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}

.page-home .metric-card .card-title {
  margin: 0;
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .metric-note {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-home .metric-list {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-home .metric-list li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .88rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-home .metric-list li::before {
  content: "";
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: .48em;
  background: var(--lime);
}

.page-home .metric-list li.is-orange::before {
  background: var(--orange);
}

.page-home .metrics-visual {
  margin: 0;
  display: grid;
  grid-template-rows: minmax(150px, 1fr) auto;
  min-height: 230px;
  border: 2px solid var(--ink-4);
  background: var(--ink-4);
  box-shadow: var(--home-shadow);
  overflow: hidden;
}

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

.page-home .metrics-visual figcaption {
  padding: .7rem .9rem;
  border-top: 1px solid var(--ink-4);
  font-family: var(--f-num);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--lime-soft);
}

/* ---------- 栏目标签页 ---------- */

.page-home .col-tabs {
  position: relative;
}

.page-home .tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-home .tab-labels {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: 1rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  border-bottom: 2px solid var(--ink-4);
}

.page-home .col-tabs:focus-within .tab-labels {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.page-home .tab-label {
  cursor: pointer;
  padding: .55rem 1.05rem;
  border: 2px solid var(--ink-4);
  background: var(--ink-2);
  color: var(--steel);
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: .03em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .tab-label:hover {
  color: var(--paper);
  border-color: var(--steel);
}

.page-home #col-1:checked ~ .tab-labels .tab-label--a,
.page-home #col-2:checked ~ .tab-labels .tab-label--b,
.page-home #col-3:checked ~ .tab-labels .tab-label--c {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
  box-shadow: var(--shadow-orange);
}

.page-home .tab-panel {
  display: none;
}

.page-home #col-1:checked ~ .tab-panels .panel--a,
.page-home #col-2:checked ~ .tab-panels .panel--b,
.page-home #col-3:checked ~ .tab-panels .panel--c {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  animation: home-panel-in var(--dur) var(--ease);
}

@keyframes home-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.page-home .panel-title {
  margin: 0 0 1rem;
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--paper);
}

.page-home .panel-main p {
  margin: 0 0 1.1rem;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-home .panel-list {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-home .panel-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

.page-home .panel-link {
  display: inline-block;
  font-family: var(--f-num);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
  padding-bottom: .15rem;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .panel-link:hover,
.page-home .panel-link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-home .panel-aside {
  margin: 0;
  border: 2px solid var(--ink-4);
  background: var(--ink-3);
  box-shadow: var(--home-shadow);
  overflow: hidden;
}

.page-home .panel-aside img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .panel-aside figcaption {
  padding: .8rem .95rem;
  border-top: 1px solid var(--ink-4);
  font-size: .82rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-home .panel-side {
  border: 2px solid var(--ink-4);
  background: var(--ink-3);
  box-shadow: var(--home-shadow);
  padding: 1.25rem 1.3rem;
  align-self: start;
}

.page-home .side-label {
  margin: 0 0 .6rem;
  font-family: var(--f-num);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-home .side-label:not(:first-child) {
  margin-top: 1.2rem;
}

.page-home .side-figure {
  margin: 0 0 .45rem;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-home .side-num {
  font-family: var(--f-num);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--lime);
  margin-right: .25rem;
}

/* ---------- 射门分布 ---------- */

.page-home .shots-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-home .shots-copy {
  min-width: 0;
}

.page-home .shots-list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-home .shots-list li {
  padding-left: 1.1rem;
  border-left: 3px solid var(--ink-4);
  font-size: .95rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-home .shots-key {
  display: inline-block;
  margin-right: .5rem;
  font-family: var(--f-num);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-home .shots-figure {
  margin: 0;
  border: 2px solid var(--ink-4);
  background: var(--ink-3);
  box-shadow: var(--home-shadow);
  overflow: hidden;
  transform: rotate(-1deg);
}

.page-home .shots-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .shots-figure figcaption {
  padding: .85rem 1rem;
  border-top: 1px solid var(--ink-4);
  font-family: var(--f-num);
  font-size: .74rem;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--lime-soft);
}

/* ---------- 服务入口 ---------- */

.page-home .tier-grid {
  display: grid;
  gap: 1.15rem;
}

.page-home .tier-card {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: 1.4rem;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 0 var(--ink);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .tier-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 0 var(--ink);
}

.page-home .tier-card--featured {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 0 var(--lime);
}

.page-home .tier-card--featured:hover {
  box-shadow: 9px 9px 0 0 var(--lime);
}

.page-home .tier-card h3 {
  margin: 0;
  font-family: var(--f-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-home .tier-card--featured h3 {
  color: var(--lime);
}

.page-home .tier-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--home-soft);
}

.page-home .tier-card--featured p {
  color: var(--steel);
}

.page-home .tier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-home .tier-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--home-soft);
}

.page-home .tier-card--featured .tier-list li {
  color: var(--paper);
}

.page-home .tier-list li::before {
  content: "/";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

.page-home .tier-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-home .band--cream .btn--ghost {
  border-color: var(--ink);
  color: var(--ink);
}

.page-home .band--cream .btn--ghost:hover,
.page-home .band--cream .btn--ghost:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 战报与勘误 ---------- */

.page-home .briefs-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

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

.page-home .brief-list {
  display: grid;
  gap: .75rem;
}

.page-home .brief-item {
  border: 2px solid var(--ink-4);
  background: var(--ink-2);
  transition: border-color var(--dur) var(--ease);
}

.page-home .brief-item[open] {
  border-color: var(--lime);
}

.page-home .brief-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--f-display);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .brief-item summary::-webkit-details-marker {
  display: none;
}

.page-home .brief-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--f-num);
  font-size: 1.2rem;
  color: var(--lime);
}

.page-home .brief-item[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-home .brief-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
}

.page-home .brief-body {
  padding: 0 1.15rem 1.25rem;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-home .brief-body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  word-break: break-all;
}

.page-home .brief-body a:hover,
.page-home .brief-body a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-home .briefs-side {
  display: grid;
  gap: 1rem;
}

.page-home .side-card {
  padding: 1.35rem;
  border: 2px solid var(--ink-4);
  background: var(--ink-3);
  box-shadow: var(--home-shadow);
}

.page-home .side-card--accent {
  border-color: var(--orange);
  box-shadow: 5px 5px 0 0 var(--orange);
}

.page-home .side-card-label {
  margin: 0 0 .5rem;
  font-family: var(--f-num);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-home .side-card-title {
  margin: 0 0 .7rem;
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .side-card-text {
  margin: 0 0 1.15rem;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .metrics-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .shots-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

  .page-home .briefs-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, .85fr);
  }

  .page-home #col-1:checked ~ .tab-panels .panel--a,
  .page-home #col-2:checked ~ .tab-panels .panel--b,
  .page-home #col-3:checked ~ .tab-panels .panel--c {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .hero-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, .85fr);
    align-items: start;
    gap: clamp(1.75rem, 3vw, 3.25rem);
  }

  .page-home .hero-index {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

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

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

@media (max-width: 719px) {
  .page-home .index-list {
    max-height: none;
  }

  .page-home .shots-figure {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-link,
  .page-home .metric-card,
  .page-home .tier-card {
    transition: none;
  }

  .page-home .index-link:hover,
  .page-home .index-link:focus-visible,
  .page-home .metric-card:hover,
  .page-home .tier-card:hover {
    transform: none;
  }

  .page-home #col-1:checked ~ .tab-panels .panel--a,
  .page-home #col-2:checked ~ .tab-panels .panel--b,
  .page-home #col-3:checked ~ .tab-panels .panel--c {
    animation: none;
  }
}