.page-home {
  --home-hair: rgba(11, 42, 74, .10);
  --home-hair-strong: rgba(11, 42, 74, .26);
  --home-tint: rgba(11, 42, 74, .04);
}

/* ---------- 上下文行 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 22px 0 16px;
  border-bottom: 1px solid var(--home-hair);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--graphite);
}
.page-home .home-context__mark {
  width: 9px;
  height: 9px;
  flex: none;
  background: var(--orange);
}
.page-home .home-context__sep {
  color: var(--orange);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  padding: 30px 0 6px;
}

.page-home .hero-head,
.page-home .hero-years {
  border-top: 1px solid var(--home-hair-strong);
  padding-top: 16px;
}

.page-home .hero-head__kicker {
  margin: 0 0 18px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange-text);
}
.page-home .hero-head h1 {
  margin: 0;
  font-size: clamp(32px, 8vw, 46px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--deep);
  max-width: 14em;
}
.page-home .hero-head__lede {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .hero-years {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-home .hero-years__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--graphite);
}
.page-home .hero-years__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-home .hero-years__list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--home-hair-strong);
}
.page-home .hero-years__item {
  position: relative;
  padding: 0 0 15px 20px;
}
.page-home .hero-years__item:last-child {
  padding-bottom: 0;
}
.page-home .hero-years__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 7px;
  height: 7px;
  background: var(--pearl);
  border: 1px solid var(--home-hair-strong);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-home .hero-years__item--current::before {
  background: var(--orange);
  border-color: var(--orange);
}
.page-home .hero-years__year {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--deep);
}
.page-home .hero-years__note {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--graphite);
}

.page-home .hero-years__media {
  margin: 0;
  border: 1px solid var(--home-hair);
  background: var(--mist);
  overflow: hidden;
}
.page-home .hero-years__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.9) brightness(.98);
}

.page-home .hero-media {
  margin: 0;
  border: 1px solid var(--home-hair);
  background: var(--mist);
  display: flex;
  flex-direction: column;
}
.page-home .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.page-home .hero-media__cap {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--graphite);
  background: var(--pearl);
  border-top: 1px solid var(--home-hair);
}

.page-home .hero-spec {
  border: 1px solid var(--gold);
  background: var(--pearl);
  padding: 20px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-home .hero-spec__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold-text);
}
.page-home .hero-spec__list {
  margin: 0;
}
.page-home .hero-spec__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 10px 0;
  border-top: 1px solid var(--home-hair);
}
.page-home .hero-spec__row:first-child {
  border-top: 0;
}
.page-home .hero-spec__row dt {
  flex: 0 0 auto;
  min-width: 8.5em;
  font-size: 12px;
  color: var(--graphite);
}
.page-home .hero-spec__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
}
.page-home .hero-spec__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--home-hair);
  font-size: 12px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-home .spec-copy {
  appearance: none;
  flex: none;
  border: 1px solid var(--home-hair-strong);
  background: transparent;
  color: var(--orange-text);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .12em;
  padding: 3px 10px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .spec-copy:hover {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--anchor);
}
.page-home .spec-copy[data-copied="true"] {
  border-color: var(--cyan);
  color: var(--cyan-text);
}

.page-home .hero-slant {
  display: none;
}

/* ---------- 章节头共用 ---------- */
.page-home .section-head {
  border-top: 1px solid var(--home-hair-strong);
  padding-top: 16px;
  max-width: 54em;
}
.page-home .section-head__index {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange-text);
}
.page-home .section-head h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.26;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--deep);
}
.page-home .section-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 口径索引 ---------- */
.page-home .home-scope {
  padding: 64px 0 0;
}
.page-home .scope-list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--home-hair-strong);
}
.page-home .scope-list__item {
  border-bottom: 1px solid var(--home-hair);
}
.page-home .scope-list__link {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 4px 16px;
  align-items: baseline;
  padding: 16px 6px 16px 14px;
  text-decoration: none;
  color: inherit;
  transition: background var(--dur) var(--ease);
}
.page-home .scope-list__link::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}
.page-home .scope-list__link:hover,
.page-home .scope-list__link:focus-visible {
  background: var(--home-tint);
}
.page-home .scope-list__link:hover::after,
.page-home .scope-list__link:focus-visible::after {
  transform: scaleY(1);
}
.page-home .scope-list__num {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--orange-text);
}
.page-home .scope-list__body {
  display: block;
}
.page-home .scope-list__name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
  transition: transform var(--dur) var(--ease);
}
.page-home .scope-list__link:hover .scope-list__name,
.page-home .scope-list__link:focus-visible .scope-list__name {
  transform: translateX(2px);
}
.page-home .scope-list__desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 核参数速览 ---------- */
.page-home .home-spec {
  padding: 64px 0 0;
}
.page-home .spec-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--home-hair-strong);
  border: 1px solid var(--home-hair-strong);
}
.page-home .spec-card {
  position: relative;
  background: var(--pearl);
  padding: 20px 20px 18px;
  transition: background var(--dur) var(--ease);
}
.page-home .spec-card:hover {
  background: var(--mist);
}
.page-home .spec-card__tick {
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 14px;
  background: var(--cyan);
  transition: width var(--dur) var(--ease);
}
.page-home .spec-card:hover .spec-card__tick {
  width: 56px;
}
.page-home .spec-card__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--graphite);
}
.page-home .spec-card__name {
  margin: 6px 0 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--deep);
}
.page-home .spec-card__unit {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--graphite);
}
.page-home .spec-card__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}
.page-home .spec-hint {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--graphite);
}
.page-home .spec-hint a {
  color: var(--orange-text);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease);
}
.page-home .spec-hint a:hover {
  color: var(--deep);
}

/* ---------- 核验与校准节奏 ---------- */
.page-home .home-cadence {
  padding: 64px 0 0;
}
.page-home .cadence-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-home .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-hair-strong);
}
.page-home .cadence-item {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--home-hair);
}
.page-home .cadence-item__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange-text);
}
.page-home .cadence-item__num {
  margin: 8px 0 0;
  font-size: clamp(44px, 11vw, 56px);
  line-height: 1;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--deep);
}
.page-home .cadence-item__num span {
  margin-left: .3em;
  font-size: 13px;
  letter-spacing: 0;
  color: var(--graphite);
}
.page-home .cadence-item__title {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
}
.page-home .cadence-item__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-home .cadence-media {
  margin: 0;
  border: 1px solid var(--home-hair);
  background: var(--mist);
}
.page-home .cadence-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-home .cadence-media figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--graphite);
  background: var(--pearl);
  border-top: 1px solid var(--home-hair);
}

/* ---------- 轮值结构 ---------- */
.page-home .home-duty {
  padding: 64px 0 0;
}
.page-home .duty-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-home .duty-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-hair-strong);
}
.page-home .duty-item {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--home-hair);
  transition: border-color var(--dur) var(--ease);
}
.page-home .duty-item:hover {
  border-bottom-color: var(--orange);
}
.page-home .duty-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
}
.page-home .duty-item__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
}
.page-home .duty-item__count {
  font-size: 12px;
  color: var(--orange-text);
  border: 1px solid currentColor;
  padding: 1px 8px;
}
.page-home .duty-item__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-home .duty-media {
  margin: 0;
  border: 1px solid var(--home-hair);
  background: var(--mist);
}
.page-home .duty-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}
.page-home .duty-media figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--graphite);
  background: var(--pearl);
  border-top: 1px solid var(--home-hair);
}

/* ---------- 下一步入口 ---------- */
.page-home .home-next {
  margin-top: 80px;
  padding: 52px 0 58px;
  background: var(--deep);
  color: var(--pearl);
}
.page-home .next-head {
  max-width: 46em;
}
.page-home .next-head__index {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}
.page-home .next-head h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.26;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--pearl);
}
.page-home .next-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 248, 246, .72);
}
.page-home .next-links {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-invert);
}
.page-home .next-link {
  display: block;
  padding: 20px 18px;
  background: var(--deep);
  text-decoration: none;
  color: var(--pearl);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .next-link:hover,
.page-home .next-link:focus-visible {
  background: var(--orange);
  color: var(--anchor);
}
.page-home .next-link__num {
  display: block;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}
.page-home .next-link:hover .next-link__num,
.page-home .next-link:focus-visible .next-link__num {
  color: var(--anchor);
}
.page-home .next-link__label {
  display: block;
  margin-top: 8px;
  font-size: 17px;
  font-weight: 700;
}
.page-home .next-contact {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line-invert);
  display: grid;
  gap: 14px;
}
.page-home .next-contact__item {
  margin: 0;
}
.page-home .next-contact__key {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}
.page-home .next-contact__val {
  font-size: 14px;
  color: var(--pearl);
  word-break: break-all;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .spec-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .next-links {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-home .next-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 40px;
  }
  .page-home .hero-head h1 {
    font-size: clamp(40px, 5.6vw, 54px);
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
    padding-top: 36px;
  }
  .page-home .hero-head {
    grid-column: 3 / span 10;
    grid-row: 1;
  }
  .page-home .hero-years {
    grid-column: 1 / span 2;
    grid-row: 1 / span 2;
    gap: 20px;
  }
  .page-home .hero-media {
    grid-column: 3 / span 6;
    grid-row: 2;
  }
  .page-home .hero-spec {
    grid-column: 9 / span 4;
    grid-row: 2;
  }
  .page-home .hero-head h1 {
    font-size: clamp(46px, 4.4vw, 62px);
  }
  .page-home .section-head h2 {
    font-size: 34px;
  }
  .page-home .cadence-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px 48px;
  }
  .page-home .duty-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px 48px;
  }
  .page-home .duty-media {
    grid-column: 2;
    grid-row: 1;
  }
  .page-home .duty-list {
    grid-column: 1;
    grid-row: 1;
  }
  .page-home .next-head h2 {
    font-size: 36px;
  }
}

@media (min-width: 1000px) {
  .page-home .spec-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-home .next-links {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-home .next-contact {
    grid-template-columns: repeat(3, minmax(0, auto));
    justify-content: start;
    gap: 18px 56px;
  }
}

@media (min-width: 1200px) {
  .page-home .hero-slant {
    display: block;
    position: absolute;
    left: 152px;
    top: 300px;
    width: 220px;
    height: 71px;
    color: var(--orange);
    pointer-events: none;
    z-index: 3;
    opacity: .9;
  }
}