.page-home {
  --home-line: rgba(31, 107, 84, 0.42);
  --home-grid-line: rgba(31, 107, 84, 0.13);
  --home-panel: rgba(22, 72, 58, 0.72);
  display: block;
  background: var(--forest);
  color: var(--sand);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  padding-bottom: clamp(36px, 6vw, 80px);
  overflow-x: clip;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.06;
}

.page-home p {
  margin: 0;
}

.page-home a {
  color: inherit;
  text-decoration: none;
}

.page-home ul,
.page-home ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-home .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3.4vw, 36px);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-home .breadcrumb a {
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .breadcrumb a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-home .kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-home .kicker__dot {
  width: 7px;
  height: 7px;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(61, 245, 192, 0.18);
  flex: 0 0 auto;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(18px, 3vw, 32px) var(--pad-x) clamp(32px, 5vw, 60px);
  background-image:
    repeating-linear-gradient(90deg, var(--home-grid-line) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, var(--home-grid-line) 0 1px, transparent 1px 72px);
  border-bottom: 1px solid var(--home-line);
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: end;
}

.page-home .hero__title {
  font-size: clamp(2.6rem, 11vw, 5.2rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.page-home .hero__title-em {
  color: var(--mint);
}

.page-home .hero__lede {
  max-width: 30em;
  font-size: 1rem;
  color: var(--sand);
  margin-bottom: 24px;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .hero__media {
  margin: 0;
  border: 1px solid var(--edge);
  background:
    radial-gradient(circle, rgba(61, 245, 192, 0.28) 1px, transparent 1.4px) 0 0 / 22px 22px,
    var(--deep-ink);
  padding: 10px;
}

.page-home .hero__media img {
  width: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-home .hero__caption {
  margin-top: 10px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .hero__steps {
  display: grid;
  gap: 10px;
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: 18px;
  border-top: 1px solid var(--home-line);
}

.page-home .hero__step {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--home-line);
  background: var(--home-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .hero__step:hover,
.page-home .hero__step:focus-visible {
  border-color: var(--mint);
  transform: translateY(-2px);
}

.page-home .hero__step-idx {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--mint);
}

.page-home .hero__step-txt {
  font-size: 0.9rem;
  color: var(--sand);
}

/* ---------- 通用区块 ---------- */
.page-home .section {
  position: relative;
  padding: clamp(40px, 6vw, 84px) var(--pad-x);
  border-bottom: 1px solid var(--home-line);
}

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

.page-home .section__inner {
  position: relative;
  z-index: 1;
  max-width: 1140px;
  margin: 0 auto;
}

.page-home .section__head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-home .section__title {
  font-size: clamp(1.6rem, 5.2vw, 2.6rem);
  margin-bottom: 14px;
}

.page-home .section__lede {
  max-width: 32em;
  font-size: 0.95rem;
  color: var(--sand);
}

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

/* ---------- 设备端入口 ---------- */
.page-home .dev-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-home .dev-tab {
  appearance: none;
  cursor: pointer;
  padding: 9px 16px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: transparent;
  color: var(--sand);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.4;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-home .dev-tab:hover {
  border-color: var(--mint-tint);
  color: var(--mint-tint);
}

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

.page-home .dev-tab[aria-pressed="true"] {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--night);
  font-weight: 700;
}

.page-home .devices__hint {
  padding: 12px 14px;
  border-left: 3px solid var(--mint);
  background: rgba(61, 245, 192, 0.07);
  font-size: 0.86rem;
  color: var(--mint-tint);
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-home .devices__cards {
  display: grid;
  gap: 14px;
}

.page-home .panel {
  padding: 20px 18px 22px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: var(--home-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .panel:hover {
  border-color: var(--mint);
  transform: translateY(-2px);
}

.page-home .panel--paper {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--night);
}

.page-home .panel__ver {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--mint);
  margin-bottom: 10px;
}

.page-home .panel__ver--dark {
  color: var(--forest);
}

.page-home .panel__title {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.page-home .panel__text {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.page-home .panel__list {
  display: grid;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--mist);
}

.page-home .panel__list li::before {
  content: "· ";
  color: var(--mint);
}

.page-home .panel__list--dark {
  color: #3a463f;
}

.page-home .panel__list--dark li::before {
  color: var(--forest);
}

/* ---------- 速度标尺 ---------- */
.page-home .speed__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-home .stats {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
}

.page-home .stat {
  border-top: 1px solid var(--home-line);
  padding-top: 10px;
}

.page-home .stat__label {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .stat__num {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  line-height: 1.2;
  color: var(--mint);
}

.page-home .stat__unit {
  font-size: 0.85rem;
  color: var(--mist);
  margin-left: 4px;
}

.page-home .ruler {
  border: 1px solid var(--edge);
  background: var(--deep-ink);
  padding: 18px 14px 12px;
}

.page-home .ruler__row {
  position: relative;
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
}

.page-home .ruler__label {
  font-size: 0.76rem;
  color: var(--sand);
}

.page-home .ruler__track {
  display: block;
  height: 14px;
  background: rgba(31, 107, 84, 0.28);
}

.page-home .ruler__bar {
  display: block;
  height: 100%;
  transform-origin: left center;
}

.page-home .ruler__bar--new {
  width: 75%;
  background: var(--mint);
}

.page-home .ruler__bar--old {
  width: 100%;
  background: var(--violet);
}

.page-home .ruler__read {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--mint);
  text-align: right;
}

.page-home .ruler__pop {
  position: absolute;
  left: 60px;
  bottom: calc(100% - 4px);
  padding: 5px 9px;
  font-size: 0.7rem;
  line-height: 1.5;
  color: var(--night);
  background: var(--paper);
  border: 1px solid var(--edge);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 2;
}

.page-home .ruler__row:hover .ruler__pop,
.page-home .ruler__row:focus-within .ruler__pop {
  opacity: 1;
  transform: translateY(0);
}

.page-home .ruler__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--home-line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--mist);
}

.page-home .speed__figure {
  margin: 18px 0 0;
  border: 1px solid var(--home-line);
}

.page-home .speed__figure img {
  width: 100%;
  object-fit: cover;
}

.page-home .speed__figure figcaption {
  padding: 10px 12px;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--home-line);
}

/* ---------- 更新节奏 ---------- */
.page-home .cadence__mountains {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: auto;
  opacity: 0.09;
  pointer-events: none;
  z-index: 0;
  object-fit: cover;
}

.page-home .cadence__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-home .timeline {
  display: grid;
  gap: 14px;
}

.page-home .timeline__item {
  padding: 14px 16px;
  background: var(--paper);
  color: var(--night);
  border: 1px solid var(--edge);
  transform: rotate(var(--rot, 0deg));
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .timeline__item:nth-child(1) { --rot: -1.2deg; }
.page-home .timeline__item:nth-child(2) { --rot: 1deg; }
.page-home .timeline__item:nth-child(3) { --rot: -0.7deg; }
.page-home .timeline__item:nth-child(4) { --rot: 1.4deg; }

.page-home .timeline__item:hover {
  transform: rotate(0deg) translateY(-2px);
  box-shadow: 0 6px 0 rgba(8, 37, 28, 0.55);
}

.page-home .timeline__when {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--forest);
  margin-bottom: 4px;
}

.page-home .timeline__body {
  font-size: 0.86rem;
  line-height: 1.7;
}

.page-home .timeline__body strong {
  color: var(--forest);
}

.page-home .cadence__figure {
  margin: 0;
  border: 1px solid var(--edge);
  background: var(--forest);
}

.page-home .cadence__figure img {
  width: 100%;
  object-fit: cover;
}

.page-home .cadence__figure figcaption {
  padding: 10px 12px;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--home-line);
}

.page-home .cadence__note {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: 14px;
  border-top: 1px solid var(--home-line);
  font-size: 0.82rem;
  color: var(--mist);
}

/* ---------- 栏目索引 ---------- */
.page-home .flows__track {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 14px;
  scrollbar-color: var(--edge) transparent;
}

.page-home .flows__track:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
}

.page-home .flows__track > li {
  width: 100%;
}

.page-home .flow {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--home-line);
  background: var(--home-panel);
  scroll-snap-align: start;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-home .flow:hover,
.page-home .flow:focus-visible {
  border-color: var(--mint);
  background: rgba(61, 245, 192, 0.08);
  transform: translateY(-2px);
}

.page-home .flow__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-home .flow__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.page-home .flow__desc {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .flow__arrow {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--mint);
}

/* ---------- 联络收口 ---------- */
.page-home .wrapup {
  border-bottom: 0;
}

.page-home .wrapup__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
}

.page-home .wrapup__block {
  border: 1px solid var(--edge);
  background: var(--paper);
  color: var(--night);
  padding: 20px 18px;
}

.page-home .contact-list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
}

.page-home .contact-list__row {
  display: grid;
  gap: 2px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(14, 59, 46, 0.3);
}

.page-home .contact-list__key {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--forest);
}

.page-home .contact-list__val {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-home .contact-list__val--mono {
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.page-home .wrapup__note {
  font-size: 0.8rem;
  line-height: 1.7;
  color: #3a463f;
  margin-bottom: 16px;
}

.page-home .wrapup__cta {
  width: 100%;
  justify-content: center;
}

/* ---------- 动效 ---------- */
.page-home .speed.is-visible .ruler__bar--new {
  animation: home-bar-grow var(--dur) var(--ease) both;
}

.page-home .speed.is-visible .ruler__bar--old {
  animation: home-bar-grow var(--dur) var(--ease) 0.12s both;
}

@keyframes home-bar-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .speed.is-visible .ruler__bar--new,
  .page-home .speed.is-visible .ruler__bar--old {
    animation: none;
  }

  .page-home .hero__step,
  .page-home .panel,
  .page-home .flow,
  .page-home .timeline__item {
    transition: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .hero__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-home .flows__track {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 14px;
    padding-bottom: 18px;
    scroll-snap-type: x mandatory;
  }

  .page-home .flows__track > li {
    flex: 0 0 250px;
    width: auto;
  }

  .page-home .flow {
    min-height: 176px;
    align-content: start;
  }

  .page-home .wrapup__cta {
    width: auto;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-home .hero__copy {
    text-align: right;
    padding-bottom: 6px;
  }

  .page-home .hero__copy .kicker,
  .page-home .hero__actions {
    justify-content: flex-end;
  }

  .page-home .hero__lede {
    margin-left: auto;
  }

  .page-home .section__mark {
    display: block;
    position: absolute;
    top: clamp(40px, 6vw, 84px);
    right: var(--pad-x);
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--mist);
    opacity: 0.75;
    z-index: 2;
  }

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

  .page-home .panel:nth-child(2) {
    transform: translateY(-14px);
  }

  .page-home .panel:nth-child(2):hover {
    transform: translateY(-16px);
  }

  .page-home .speed__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

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

  .page-home .cadence__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-home .wrapup__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }
}
<<<END>>>