.page-home {
  --home-pad: var(--gut);
  display: block;
  background: var(--ink);
  color: var(--paper);
}

/* ===== 封面 ===== */
.page-home .cover {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gut);
  padding: 28px var(--home-pad) 40px;
  border-bottom: 1px solid var(--line);
}

.page-home .cover__spine {
  display: none;
}

.page-home .cover__crumb {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
  margin-bottom: 18px;
}

.page-home .cover__crumb [aria-current="page"] {
  color: var(--paper);
}

.page-home .cover__kicker {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--signal);
  margin: 0 0 14px;
  font-weight: 700;
}

.page-home .cover__title {
  margin: 0;
  font-size: 52px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-home .cover__subtitle {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--index);
  letter-spacing: 0.01em;
}

.page-home .cover__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: #C6CFD7;
}

.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .cover__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: 32px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-home .cover__meta-item dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fog);
  margin-bottom: 6px;
}

.page-home .cover__meta-item dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 18px;
  color: var(--paper);
}

.page-home .cover__meta-item dd .num {
  color: var(--signal);
}

.page-home .cover__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--carbon);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

.page-home .cover__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .cover__cap {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--fog);
  line-height: 1.6;
}

/* ===== 封面索引 ===== */
.page-home .cover-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.page-home .cover-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px var(--home-pad);
  border-top: 1px solid var(--line);
  color: var(--fog);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-home .cover-index__item:first-child {
  border-top: 0;
}

.page-home .cover-index__item .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--signal);
  letter-spacing: 0.06em;
}

.page-home .cover-index__text {
  position: relative;
}

.page-home .cover-index__text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  height: 1px;
  width: 0;
  background: var(--signal);
  transition: width 0.28s var(--ease);
}

.page-home .cover-index__item:hover {
  color: var(--paper);
  background: var(--carbon);
}

.page-home .cover-index__item:hover .cover-index__text::after {
  width: 100%;
}

/* ===== 通用区块 ===== */
.page-home .section {
  padding: 52px var(--home-pad);
  border-bottom: 1px solid var(--line);
}

.page-home .section-head {
  max-width: 62ch;
  margin-bottom: 32px;
}

.page-home .section-head__kicker {
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--signal);
  margin: 0 0 12px;
}

.page-home .section-head__title {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.22;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: -0.015em;
}

.page-home .section-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog);
}

/* ===== 通道指引 ===== */
.page-home .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .step-line {
  display: block;
  width: 100%;
  height: 22px;
  margin-bottom: 20px;
}

.page-home .step-line__rail {
  stroke: var(--line);
  stroke-width: 1;
}

.page-home .step-line__node {
  fill: var(--signal);
}

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

.page-home .step {
  position: relative;
  padding: 18px 18px 18px 54px;
  border: 1px solid var(--line);
  background: var(--carbon);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);
  margin-bottom: 14px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .step:last-child {
  margin-bottom: 0;
}

.page-home .step:hover {
  border-color: var(--signal);
  transform: translate(2px, 2px);
}

.page-home .step__no {
  position: absolute;
  left: 18px;
  top: 19px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--signal);
}

.page-home .step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-home .channel__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--carbon);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
}

.page-home .channel__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  max-height: 460px;
}

.page-home .channel__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

/* ===== 双内容线 ===== */
.page-home .line-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  background: var(--carbon);
}

.page-home .line-col {
  padding: 24px 22px;
  border-top: 1px solid var(--line);
}

.page-home .line-col:first-child {
  border-top: 0;
}

.page-home .line-col__tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 11px;
  background: var(--index);
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.page-home .line-col__tag--b {
  background: var(--data);
  color: #06080B;
}

.page-home .line-col__title {
  margin: 0 0 14px;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--paper);
}

.page-home .line-col__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-home .line-col__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #C0C9D2;
}

.page-home .line-col__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

.page-home .line-col--b .line-col__list li::before {
  background: var(--data);
}

.page-home .line-col__foot {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.page-home .lines-figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  background: var(--carbon);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
}

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

.page-home .lines-figure figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

/* ===== 本轮速览 ===== */
.page-home .round-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .round-card {
  position: relative;
  margin: 0;
  padding: 22px 20px 20px;
  background: var(--carbon);
  border: 1px solid var(--line);
  box-shadow: 7px 7px 0 rgba(0, 0, 0, 0.55);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .round-card:hover {
  border-color: var(--signal);
  transform: translate(2px, 2px);
}

.page-home .round-card__badge {
  position: absolute;
  top: -1px;
  right: -1px;
  padding: 4px 10px;
  background: var(--alert);
  color: #06080B;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.page-home .kpi__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.page-home .kpi__value {
  margin: 8px 0 4px;
  font-family: var(--mono);
  font-size: 46px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
}

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

.page-home .kpi__value--data {
  color: var(--data);
}

.page-home .round-card__unit {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--index);
}

.page-home .round-card__desc {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-home .round-figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  background: var(--carbon);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
}

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

.page-home .round-figure figcaption {
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

/* ===== 档案入口 ===== */
.page-home .archive {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-home .archive__layers {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .archive__layer {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .archive__no {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--signal);
  padding-top: 3px;
}

.page-home .archive__layer-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .archive__layer-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-home .archive__cta {
  align-self: start;
  padding: 24px 22px;
  background: var(--moss);
  border: 1px solid var(--signal);
}

.page-home .archive__count {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .archive__count .num {
  color: var(--signal);
  font-size: 30px;
}

.page-home .archive__cta-text {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #BED6C9;
}

/* ===== 全站索引 ===== */
.page-home .site-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .site-index__item {
  border-bottom: 1px solid var(--line);
}

.page-home .site-index__link {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 18px 8px;
  text-decoration: none;
  color: var(--paper);
  transition: background 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-home .site-index__no {
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--signal);
  padding-top: 3px;
}

.page-home .site-index__title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .site-index__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-home .site-index__link:hover {
  background: var(--carbon);
  padding-left: 18px;
}

.page-home .site-index__link:hover .site-index__desc {
  color: #C0C9D2;
}

.page-home .index-footnote {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

/* ===== 平板与桌面 ===== */
@media (min-width: 760px) {
  .page-home .cover-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-home .cover-index__item {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 16px 14px;
    font-size: 13px;
  }

  .page-home .cover-index__item:first-child {
    border-left: 0;
  }

  .page-home .round-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-home {
    --home-pad: 40px;
  }

  .page-home .cover {
    grid-template-columns: 40px minmax(0, 1fr) 360px;
    gap: 36px;
    align-content: center;
    min-height: 76vh;
    padding: 44px 40px 40px;
  }

  .page-home .cover__spine {
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
    background: rgba(17, 21, 27, 0.6);
  }

  .page-home .cover__spine .vertical-note {
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--fog);
  }

  .page-home .cover__title {
    font-size: 84px;
  }

  .page-home .cover__subtitle {
    font-size: 24px;
  }

  .page-home .cover__lede {
    font-size: 17px;
  }

  .page-home .cover__figure img {
    aspect-ratio: auto;
    height: 100%;
    min-height: 400px;
  }

  .page-home .section {
    padding: 68px 40px;
  }

  .page-home .section-head {
    margin-bottom: 40px;
  }

  .page-home .section-head__title {
    font-size: 36px;
  }

  .page-home .channel {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 36px;
    align-items: start;
  }

  .page-home .channel__figure img {
    max-height: 520px;
  }

  .page-home .line-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-home .line-col {
    border-top: 0;
    padding: 28px 26px;
  }

  .page-home .line-col + .line-col {
    border-left: 1px solid var(--line);
  }

  .page-home .archive {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 36px;
  }

  .page-home .site-index__link {
    grid-template-columns: 44px 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 20px;
    padding: 20px 8px;
  }

  .page-home .site-index__no {
    grid-row: auto;
  }
}

@media (min-width: 1240px) {
  .page-home .round-card:first-child {
    margin-left: -16px;
  }

  .page-home .lines-figure,
  .page-home .round-figure {
    box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.55);
  }
}