.page-home {
  --home-gap: 16px;
  --home-line: 2px solid var(--ink);
  background: var(--paper-bg);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-home p {
  margin: 0;
}

.page-home a {
  color: inherit;
}

.page-home :focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-home .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--green-deep);
  background: var(--mist);
  border: 1px solid var(--ink);
  padding: 4px 9px;
  margin-bottom: 12px;
}

.page-home .kicker--onDark {
  color: var(--ink);
  background: var(--green-lite);
  border-color: var(--green-lite);
}

.page-home .sec-head {
  margin-bottom: 26px;
}

.page-home .sec-head h2 {
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.18;
}

.page-home .sec-head__lede {
  margin-top: 10px;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 首屏拼贴 ---------- */

.page-home .hero-collage {
  border-bottom: var(--home-line);
}

.page-home .hero-collage__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  padding-top: 6px;
  padding-bottom: 42px;
}

.page-home .hero-collage__lead h1 {
  font-size: clamp(32px, 8.5vw, 64px);
  line-height: 1.04;
  margin-bottom: 16px;
}

.page-home .hero-collage__lede {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-home .hero-collage__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-home .hero-collage__stack {
  position: relative;
  min-width: 0;
}

.page-home .hero-collage__stack .media-frame {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--mist);
}

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

.page-home .side-note {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--amber);
  border: 2px solid var(--ink);
  padding: 5px 9px;
}

.page-home .hero-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 16px;
  background: var(--paper);
  border: var(--home-line);
  box-shadow: var(--hard-shadow);
}

.page-home .hero-card h2 {
  font-size: clamp(19px, 3.4vw, 24px);
  line-height: 1.3;
}

.page-home .log-shot {
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--ink);
  aspect-ratio: 2 / 1;
  background: var(--ink-2);
}

.page-home .hero-card--log .kicker {
  margin-bottom: 0;
  align-self: flex-start;
}

.page-home .change {
  border-top: 1px solid var(--mist);
  padding-top: 8px;
}

.page-home .change summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

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

.page-home .change summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--green);
}

.page-home .change[open] summary::after {
  content: "–";
}

.page-home .change__num {
  color: var(--amber);
  font-size: 13px;
}

.page-home .change p {
  margin: 4px 0 4px 26px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-home .hero-card__more {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--green-deep);
  border-bottom: 2px solid var(--green);
  align-self: flex-start;
}

.page-home .hero-card__more:hover {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

.page-home .quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .quick-list li + li {
  border-top: 1px solid var(--mist);
}

.page-home .quick-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx name arrow"
    "idx desc arrow";
  gap: 2px 12px;
  padding: 12px 6px;
  text-decoration: none;
  border: 2px solid transparent;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-home .quick-list a:hover {
  border-color: var(--ink);
  background: var(--mist);
}

.page-home .quick-list__idx {
  grid-area: idx;
  align-self: center;
  font-size: 13px;
  color: var(--green);
}

.page-home .quick-list__name {
  grid-area: name;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.35;
}

.page-home .quick-list__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.6;
  color: var(--moss);
}

.page-home .quick-list__arrow {
  grid-area: arrow;
  align-self: center;
  font-size: 17px;
  color: var(--moss);
}

.page-home .quick-list a:hover .quick-list__arrow {
  color: var(--green-deep);
}

/* ---------- 主题带 ---------- */

.page-home .band {
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--green-deep);
  border-bottom: var(--home-line);
  padding-block: 34px 38px;
}

.page-home .band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-home .band h2 {
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1.1;
  color: var(--paper);
}

.page-home .band__lede {
  margin-top: 12px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .band__rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .band-row {
  border-top: 1px solid rgba(201, 214, 206, 0.32);
  padding: 16px 0 18px;
}

.page-home .band-row__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 6px;
}

.page-home .band-row__title {
  font-size: 17px;
  line-height: 1.42;
  color: var(--paper);
}

.page-home .band-row__text {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .band__figure {
  margin: 0;
  border: 2px solid var(--mist);
  box-shadow: 6px 6px 0 var(--green-deep);
  overflow: hidden;
  background: var(--ink-2);
}

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

/* ---------- 时间线 ---------- */

.page-home .timeline-sec {
  background: var(--paper);
  border-bottom: var(--home-line);
  padding-block: 40px 30px;
}

.page-home .tl {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--mist);
}

.page-home .tl__item {
  position: relative;
  padding: 0 0 26px 24px;
}

.page-home .tl__item:last-child {
  padding-bottom: 4px;
}

.page-home .tl__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--ink);
}

.page-home .tl__item:nth-child(1)::before {
  background: var(--clay);
  border-color: var(--clay);
}

.page-home .tl__when {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green-deep);
  margin-bottom: 4px;
}

.page-home .tl__title {
  font-size: 18px;
  line-height: 1.4;
}

.page-home .tl__text {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
  max-width: 44em;
}

/* ---------- 规模刻度 ---------- */

.page-home .scales {
  background: var(--mist);
  border-bottom: var(--home-line);
  padding-block: 40px;
}

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

.page-home .scale-item {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px;
  background: var(--paper-bg);
  border: 2px solid var(--ink);
}

.page-home .scale-item__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.page-home .scale-item__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-home .scale-item__value span {
  font-size: 0.5em;
  color: var(--clay);
  margin-left: 2px;
}

.page-home .scale-bar__track {
  height: 10px;
  background: var(--mist);
  border: 2px solid var(--ink);
}

.page-home .scale-bar__fill {
  height: 100%;
  background: var(--green);
}

.page-home .scale-bar__fill--amber {
  background: var(--amber);
}

.page-home .scale-item__note {
  font-size: 13px;
  line-height: 1.62;
  color: var(--ink-2);
}

.page-home .scales__more {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 2px solid var(--ink-2);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 入口索引 ---------- */

.page-home .index-sec {
  padding-block: 40px 48px;
}

.page-home .index-sec__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-home .index-list li {
  border-bottom: 1px solid var(--mist);
}

.page-home .index-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx nm ar"
    "idx ds ar";
  gap: 2px 14px;
  padding: 13px 8px;
  text-decoration: none;
  border-left: 6px solid transparent;
  transition: border-color 150ms ease, background-color 150ms ease, padding-left 150ms ease;
}

.page-home .index-list a:hover {
  border-left-color: var(--green);
  background: var(--mist);
  padding-left: 14px;
}

.page-home .index-list .idx {
  grid-area: idx;
  align-self: center;
  font-size: 13px;
  color: var(--green);
}

.page-home .index-list .nm {
  grid-area: nm;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
}

.page-home .index-list .ds {
  grid-area: ds;
  font-size: 14px;
  line-height: 1.6;
  color: var(--moss);
}

.page-home .index-list .ar {
  grid-area: ar;
  align-self: center;
  font-size: 18px;
  color: var(--moss);
}

.page-home .index-list a:hover .ar {
  color: var(--clay);
}

.page-home .index-sec__figure {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--mist);
}

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

/* ---------- 断点 ---------- */

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

@media (min-width: 900px) {
  .page-home .hero-collage__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px 24px;
    padding-bottom: 58px;
  }

  .page-home .hero-collage__lead {
    grid-column: 1 / span 6;
    grid-row: 1;
    padding-top: 10px;
  }

  .page-home .hero-collage__stack {
    grid-column: 7 / span 6;
    grid-row: 1;
  }

  .page-home .hero-card--log {
    grid-column: 1 / span 7;
  }

  .page-home .hero-card--quick {
    grid-column: 8 / span 5;
  }

  .page-home .hero-card {
    padding: 20px;
  }

  .page-home .side-note {
    position: absolute;
    top: 12px;
    left: 12px;
    margin: 0;
    writing-mode: vertical-rl;
    padding: 10px 6px;
    box-shadow: 3px 3px 0 var(--ink);
  }

  .page-home .band__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    grid-template-areas:
      "head figure"
      "rows figure";
    gap: 24px 40px;
    align-items: start;
  }

  .page-home .band__head {
    grid-area: head;
  }

  .page-home .band__rows {
    grid-area: rows;
  }

  .page-home .band__figure {
    grid-area: figure;
    align-self: stretch;
  }

  .page-home .band__figure img {
    height: 100%;
  }

  .page-home .band-row {
    padding: 18px 0 20px;
  }

  .page-home .band-row:nth-child(2) {
    padding-left: 22px;
  }

  .page-home .band-row:nth-child(3) {
    padding-left: 44px;
  }

  .page-home .index-sec__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: 30px;
    align-items: start;
  }

  .page-home .index-sec__figure {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1024px) {
  .page-home .scale-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .quick-list a,
  .page-home .index-list a {
    transition: none;
  }
}