.page-home {
  --ph-rail: 96px;
  --ph-gap: clamp(20px, 3.2vw, 48px);
  --ph-band: clamp(52px, 7.5vw, 96px);
  --ph-sticky: 132px;
  background: var(--ink);
  color: var(--mist);
}

.page-home [id] {
  scroll-margin-top: 130px;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  padding: clamp(30px, 5vw, 58px) 0 clamp(40px, 6vw, 78px);
  background-image:
    radial-gradient(760px 380px at 86% -6%, var(--wash-cyan), transparent 68%),
    radial-gradient(560px 340px at 2% 108%, var(--wash-amber), transparent 72%);
}

.page-home .home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: clamp(22px, 3.4vw, 38px);
}

.page-home .home-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-home .home-crumb-sep {
  color: var(--line-strong);
}

.page-home .home-crumb-flag {
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: var(--wash-cyan);
}

.page-home .home-hero-head .kicker {
  display: block;
  margin: clamp(20px, 3vw, 34px) 0 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-home .home-title {
  margin: 14px 0 0;
  max-width: 15ch;
  font-size: clamp(40px, 9vw, 76px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--mist);
}

.page-home .home-lead {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.62;
  color: var(--steel);
}

/* ---------- 窄栏 ---------- */

.page-home .home-rail {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  padding: 16px;
  background: var(--panel);
  border-left: 2px solid var(--amber);
  clip-path: var(--clip-sm);
}

.page-home .home-rail-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}

.page-home .home-rail-ver {
  padding-left: 8px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--amber);
  border-left: 1px solid var(--line);
}

.page-home .home-rail-note {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-home .home-rail-note--dim {
  color: var(--line-strong);
}

.page-home .home-rail-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  width: 100%;
  margin-top: 4px;
}

.page-home .home-rail-nav .rail-item {
  padding-bottom: 3px;
  font-size: 12.5px;
  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 .home-rail-nav .rail-item:hover,
.page-home .home-rail-nav .rail-item:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 主列与索引卡片流 ---------- */

.page-home .home-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 32px);
}

.page-home .home-hero-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-home .home-stream-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-home .home-stream-head .h-sub {
  margin: 0;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-home .home-stream-sub {
  margin: 0;
  font-size: 13px;
  color: var(--steel);
}

.page-home .home-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-home .home-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 116px;
  padding: 15px 16px 14px;
  background: var(--panel);
  border-left: 2px solid transparent;
  clip-path: var(--clip-sm);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-card:hover,
.page-home .home-card:focus-visible {
  transform: translateY(-2px);
  background: var(--panel-hi);
  border-left-color: var(--amber);
  outline: none;
}

.page-home .home-card:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .home-card .card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-home .home-card .card-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-home .home-card .card-go {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
  font-size: 12px;
  color: var(--steel);
  transition: color var(--dur) var(--ease);
}

.page-home .home-card:hover .card-go,
.page-home .home-card:focus-visible .card-go {
  color: var(--amber-soft);
}

.page-home .home-card:hover .status-lamp,
.page-home .home-card:focus-visible .status-lamp {
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--wash-amber);
}

.page-home .home-note-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.page-home .home-note-text .h-sub {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--mist);
}

.page-home .home-note-text p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--steel);
}

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

/* ---------- 通用分区 ---------- */

.page-home .home-band {
  padding: var(--ph-band) 0;
  border-top: 1px solid var(--line);
}

.page-home .home-band-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-home .home-band-head .kicker {
  display: block;
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-home .home-band-head .h-sec {
  margin: 0;
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-home .home-band-lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--steel);
}

.page-home .home-band-foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
}

.page-home .home-band-foot a {
  color: var(--amber-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-band-foot a:hover,
.page-home .home-band-foot a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 打开速度 ---------- */

.page-home .home-speed {
  background: var(--ink-deep);
}

.page-home .home-speed-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

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

.page-home .home-path-col {
  padding: 14px 16px;
  background: var(--panel);
  border-left: 2px solid var(--line-strong);
}

.page-home .home-path-col--v3 {
  border-left-color: var(--coral);
}

.page-home .home-path-col--v4 {
  border-left-color: var(--cyan);
}

.page-home .home-path-tag {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-home .home-path-col--v3 .home-path-tag {
  color: var(--coral);
}

.page-home .home-path-col--v4 .home-path-tag {
  color: var(--cyan);
}

.page-home .home-path-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--mist);
}

.page-home .home-path-list li {
  display: inline-flex;
  align-items: center;
}

.page-home .home-path-list li + li::before {
  content: "▸";
  margin: 0 9px;
  font-size: 10px;
  color: var(--line-strong);
}

.page-home .home-speed-stat {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--wash-amber);
  border-left: 2px solid var(--amber);
}

.page-home .home-speed-num {
  margin: 0;
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--amber);
}

.page-home .home-speed-cap {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--steel);
}

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

/* ---------- 帮助台速取 ---------- */

.page-home .home-take-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .home-take {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .home-take:hover,
.page-home .home-take:focus-visible {
  transform: translateY(-2px);
  background: var(--panel-hi);
  outline: none;
}

.page-home .home-take-no {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-home .home-take .h-sub {
  margin: 0;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-home .home-take p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--steel);
}

.page-home .home-take-go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  color: var(--amber-soft);
}

/* ---------- 联系路径 ---------- */

.page-home .home-route {
  background: var(--ink-deep);
}

.page-home .home-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-step {
  padding-left: 20px;
  border-left: 1px solid var(--line-strong);
}

.page-home .home-step-no {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-home .home-step .h-sub {
  margin: 8px 0 0;
  font-size: 19px;
  color: var(--mist);
}

.page-home .home-step p {
  margin: 8px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--steel);
}

.page-home .home-route-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-home .home-route-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

/* ---------- 版本轨迹 ---------- */

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

.page-home .home-tl-item {
  padding: 14px 0 14px 18px;
  border-left: 2px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-home .home-tl-item:hover {
  border-left-color: var(--amber);
}

.page-home .home-tl-ver {
  display: block;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-home .home-tl-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.58;
  color: var(--steel);
}

.page-home .home-version-figure {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
}

/* ---------- 维护团队 ---------- */

.page-home .home-about-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

.page-home .home-about-text .h-sub {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--mist);
}

.page-home .home-about-text p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--steel);
}

/* ---------- 平板以上 ---------- */

@media (min-width: 560px) {
  .page-home .home-stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .home-note-split {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 300px);
    gap: clamp(22px, 3vw, 40px);
  }

  .page-home .home-take-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .home-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 56px);
  }

  .page-home .home-about-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 900px) {
  .page-home .home-hero-grid {
    grid-template-columns: var(--ph-rail) minmax(0, 1fr);
    column-gap: var(--ph-gap);
    row-gap: clamp(30px, 3.6vw, 48px);
  }

  .page-home .home-hero-head {
    grid-column: 1 / -1;
  }

  .page-home .home-rail {
    position: sticky;
    top: var(--ph-sticky);
    align-self: start;
    padding: 16px 10px 18px 12px;
    clip-path: var(--clip-cut);
  }

  .page-home .home-rail-nav {
    flex-direction: column;
    gap: 0;
    margin-top: 6px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .page-home .home-rail-nav .rail-item {
    display: block;
    padding: 7px 0 7px 9px;
    font-size: 12px;
    line-height: 1.35;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-home .home-rail-nav .rail-item:hover,
  .page-home .home-rail-nav .rail-item:focus-visible {
    border-left-color: var(--cyan);
    background: var(--wash-cyan);
  }

  .page-home .home-speed-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(220px, 1fr);
    align-items: end;
    gap: clamp(30px, 4vw, 64px);
  }

  .page-home .home-timeline {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .home-tl-item {
    padding: 18px 14px 0 0;
    border-left: 0;
    border-top: 2px solid var(--line);
  }

  .page-home .home-tl-item:hover {
    border-top-color: var(--amber);
  }
}

@media (min-width: 1080px) {
  .page-home .home-stream {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 动效 ---------- */

@keyframes ph-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-home [data-reveal] {
    animation: ph-rise 240ms var(--ease) both;
  }
}
<<<END>>>