.page-home {
  --home-gap: clamp(14px, 2vw, 22px);
  --grid-line: rgba(36, 52, 79, 0.34);
  --glass: rgba(22, 35, 58, 0.52);
  --page-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--paper);
  font-family: var(--page-sans);
  overflow-x: hidden;
}

.page-home .container {
  width: min(100% - 2 * var(--pad), var(--maxw));
  margin-inline: auto;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  padding-block: clamp(26px, 4vw, 52px) clamp(34px, 5vw, 66px);
}

.page-home .hero__context {
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: none;
}

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

.page-home .tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--glass);
  overflow: hidden;
  transition: border-color 180ms ease;
}

.page-home .tile:hover {
  border-color: var(--red-bright);
}

.page-home .tile--lead {
  min-height: 320px;
  justify-content: flex-end;
  background: var(--red);
  border-color: var(--red-deep);
  isolation: isolate;
}

.page-home .tile__media {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-home .tile__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: 0.3;
}

.page-home .tile--lead::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(104deg, rgba(143, 21, 18, 0.94) 32%, rgba(215, 38, 30, 0.42) 100%);
}

.page-home .tile__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-home .tile__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .tile--lead .tile__idx {
  color: var(--gold-soft);
}

.page-home .tile__title {
  margin: 0;
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .tile__title strong {
  display: block;
  font-weight: 900;
}

.page-home .tile__sub {
  margin: 0;
  font-size: clamp(19px, 2.1vw, 25px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .tile__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 246, 243, 0.86);
  max-width: 26ch;
}

.page-home .tile--lead .tile__desc {
  color: rgba(247, 246, 243, 0.94);
  max-width: 30ch;
}

.page-home .tile__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-home .tile__link:hover,
.page-home .tile__link:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

.page-home .hero__lead {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  color: rgba(247, 246, 243, 0.74);
}

/* ---------- 两栏错位流 ---------- */
.page-home .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 60px);
  padding-bottom: clamp(48px, 7vw, 100px);
}

.page-home .toc {
  order: -1;
}

.page-home .toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-home .toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .toc-link {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 14px;
  color: rgba(247, 246, 243, 0.66);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-home .toc-link:hover,
.page-home .toc-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--line);
}

.page-home .toc-link.is-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-home .flow > .block + .block {
  margin-top: clamp(44px, 7vw, 96px);
}

.page-home .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-home .kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .section-title {
  margin: 0 0 12px;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .section-title strong {
  font-weight: 900;
  color: var(--gold-soft);
}

.page-home .lead {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 246, 243, 0.72);
}

/* ---------- 12 项清单 ---------- */
.page-home .ledger-figure {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.page-home .ledger-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.34;
}

.page-home .ledger {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ledger;
}

.page-home .ledger__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  transition: border-color 180ms ease;
}

.page-home .ledger__item:hover {
  border-top-color: var(--red-bright);
}

.page-home .ledger__no {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: 0.04em;
  color: var(--gold);
  line-height: 1.3;
}

.page-home .ledger__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .ledger__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-home .ledger__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 246, 243, 0.66);
  max-width: 40ch;
}

.page-home .ledger__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 2px 0 0;
}

.page-home .ledger__entry {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 换设备动线 ---------- */
.page-home .migrate {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-home .migrate__svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 880px;
}

.page-home .migrate__labels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .migrate__labels li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-home .migrate__labels strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .migrate__labels span {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 246, 243, 0.62);
}

.page-home .migrate__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-2);
  padding: 14px;
}

.page-home .migrate__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.page-home .migrate__caption {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 人群查询起点 ---------- */
.page-home .audience__figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.page-home .audience__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 15 / 8;
  object-fit: cover;
  opacity: 0.6;
}

.page-home .audience {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .audience__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: 4px;
  background: rgba(22, 35, 58, 0.42);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-home .audience__card:hover {
  border-left-color: var(--gold);
  transform: translateY(-3px);
}

.page-home .audience__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .audience__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .audience__path {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 246, 243, 0.66);
}

.page-home .audience__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color 180ms ease;
}

.page-home .audience__go:hover,
.page-home .audience__go:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 服务响应 ---------- */
.page-home .ops {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.page-home .ops__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.2vw, 26px);
  background: rgba(11, 18, 32, 0.94);
}

.page-home .ops__num {
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-home .ops__label {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 246, 243, 0.66);
  max-width: 24ch;
}

.page-home .ops__note {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(247, 246, 243, 0.62);
}

/* ---------- 版本与调整 ---------- */
.page-home .log {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--line);
}

.page-home .log__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 0 0 clamp(20px, 2.6vw, 30px) clamp(18px, 2.4vw, 26px);
}

.page-home .log__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
}

.page-home .log__item:last-child {
  padding-bottom: 0;
}

.page-home .log__tag {
  justify-self: start;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
}

.page-home .log__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(247, 246, 243, 0.74);
  max-width: 52ch;
}

.page-home .updates__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .audience {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .migrate__labels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: 2fr 1fr 1.15fr;
    grid-template-areas:
      "lead b b"
      "lead c d";
  }

  .page-home .tile--lead {
    grid-area: lead;
    min-height: 420px;
  }

  .page-home .tile--b {
    grid-area: b;
  }

  .page-home .tile--c {
    grid-area: c;
  }

  .page-home .tile--d {
    grid-area: d;
  }

  .page-home .tile--c {
    justify-content: space-between;
  }

  .page-home .migrate {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }

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

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

@media (min-width: 1024px) {
  .page-home .split {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
  }

  .page-home .toc {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    order: 0;
    padding-right: 12px;
    border-right: 1px solid var(--line);
  }

  .page-home .toc__list {
    flex-direction: column;
    gap: 12px;
  }

  .page-home .toc-link {
    font-size: 14px;
  }

  .page-home .ledger__item {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-home .flow > .block:nth-child(even) {
    padding-left: clamp(0px, 3vw, 44px);
  }

  .page-home .flow > .block:nth-child(odd) .section-head {
    max-width: 62ch;
  }
}