.page-home {
  --home-radius: 6px;
  --home-gap: clamp(20px, 3.6vw, 40px);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--f-sans);
}

/* ---------- 封面 ---------- */
.page-home .cover {
  padding: clamp(18px, 3.4vw, 40px) 0 clamp(38px, 6vw, 84px);
}

.page-home .cover__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-home .cover__title {
  margin: 0.12em 0 0;
  font-size: clamp(2.7rem, 10vw, 5.2rem);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.04em;
  color: var(--navy);
}

.page-home .cover__sub {
  margin: 0.35em 0 0;
  font-size: clamp(1.4rem, 5vw, 2.6rem);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--navy-2);
}

.page-home .cover__lead {
  max-width: 34em;
  margin: 1.4em 0 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--grey);
}

.page-home .cover__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-home .act {
  --act-bg: var(--paper-white);
  --act-fg: var(--navy);
  --act-bd: var(--line);
  display: flex;
  flex-direction: column;
  gap: 3px;
  justify-content: center;
  flex: 1 1 150px;
  min-width: 0;
  padding: 13px 18px;
  border: 1px solid var(--act-bd);
  border-radius: var(--home-radius);
  background: var(--act-bg);
  color: var(--act-fg);
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .act:hover,
.page-home .act:focus-visible {
  transform: translateY(-2px);
}

.page-home .act--android {
  --act-bg: var(--coral);
  --act-fg: var(--navy);
  --act-bd: var(--coral);
}

.page-home .act--ios {
  --act-bg: var(--navy);
  --act-fg: var(--paper-white);
  --act-bd: var(--navy);
}

.page-home .act--guide {
  --act-bg: transparent;
  --act-fg: var(--cyan-deep);
  --act-bd: var(--cyan-deep);
}

.page-home .act__k {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-home .act__v {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0.78;
}

.page-home .cover__trace {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-home .cover__trace svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .trace-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: home-trace 760ms var(--ease) 180ms forwards;
}

@keyframes home-trace {
  to {
    stroke-dashoffset: 0;
  }
}

.page-home .trace-dot {
  fill: var(--cyan);
}

.page-home .trace-dot--end {
  fill: var(--coral);
}

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

.page-home .media {
  margin: 0;
}

.page-home .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: var(--paper-white);
  box-shadow: var(--shadow-paper);
}

.page-home .media__cap {
  margin-top: 10px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--grey);
}

.page-home .media__idx {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
  margin-right: 6px;
}

.page-home .cover__steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .cover__steps li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 10px 12px;
  border-top: 2px solid var(--navy);
  background: var(--paper-white);
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .cover__step-k {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

/* ---------- 通用区块 ---------- */
.page-home .route-map,
.page-home .index,
.page-home .shots,
.page-home .pulse {
  padding-top: clamp(44px, 7vw, 92px);
}

.page-home .section__head {
  max-width: 46em;
}

.page-home .section__head h2,
.page-home .shots__body h2,
.page-home .pulse__main h2 {
  margin: 0.3em 0 0;
  font-size: clamp(1.7rem, 4.6vw, 2.9rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--navy);
}

.page-home .route-map__lead,
.page-home .index__lead,
.page-home .shots__lead,
.page-home .pulse__lead {
  margin: 0.9em 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--grey);
}

/* ---------- 路径对照 ---------- */
.page-home .route-map__compare {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-home .cmp {
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: var(--paper-white);
}

.page-home .cmp--old {
  border-style: dashed;
  color: var(--grey);
}

.page-home .cmp--new {
  border-color: var(--navy);
  box-shadow: var(--shadow-paper);
}

.page-home .cmp__tag {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-home .cmp__tag--now {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--navy);
}

.page-home .cmp__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .cmp__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.94rem;
  line-height: 1.5;
}

.page-home .cmp__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
}

.page-home .cmp--new .cmp__list li::before {
  background: var(--cyan);
}

.page-home .cmp--new .cmp__list li:last-child::before {
  background: var(--coral);
}

.page-home .cmp__sum {
  margin: 14px 0 0;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.page-home .route-map__fig {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .route-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .route-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  background: var(--paper-white);
}

.page-home .route-facts__n {
  font-size: clamp(1.8rem, 5.6vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--navy);
}

.page-home .route-facts__k {
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--grey);
}

/* ---------- 索引卡与筛选 ---------- */
.page-home .idx-wrap {
  margin-top: clamp(20px, 3.2vw, 30px);
}

.page-home .idx-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .idx-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-home .idx-chip {
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-white);
  color: var(--grey);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .idx-chip:hover {
  border-color: var(--cyan-deep);
  color: var(--navy);
}

.page-home .idx-radio:focus-visible + .idx-filters .idx-chip,
.page-home #idx-all:checked ~ .idx-filters label[for="idx-all"],
.page-home #idx-new:checked ~ .idx-filters label[for="idx-new"],
.page-home #idx-old:checked ~ .idx-filters label[for="idx-old"],
.page-home #idx-android:checked ~ .idx-filters label[for="idx-android"],
.page-home #idx-ios:checked ~ .idx-filters label[for="idx-ios"] {
  background: var(--mint);
  border-color: var(--cyan-deep);
  color: var(--navy);
}

.page-home .idx-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .idx-card {
  position: relative;
  padding: 20px 18px 44px;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: var(--paper-white);
  box-shadow: var(--shadow-paper);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .idx-card:hover,
.page-home .idx-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-home .idx-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--grey);
}

.page-home .idx-card__no {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--navy);
}

.page-home .idx-card__title {
  margin: 0;
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-home .idx-card__title a {
  color: var(--navy);
  text-decoration: none;
}

.page-home .idx-card__title a:hover,
.page-home .idx-card__title a:focus-visible {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-home .idx-card__text {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--grey);
}

.page-home .idx-card__go {
  position: absolute;
  right: 18px;
  bottom: 16px;
  font-size: 1rem;
  color: var(--cyan-deep);
}

.page-home .idx-wrap:has(#idx-new:checked) .idx-card:not(.is-new),
.page-home .idx-wrap:has(#idx-old:checked) .idx-card:not(.is-old),
.page-home .idx-wrap:has(#idx-android:checked) .idx-card:not(.is-android),
.page-home .idx-wrap:has(#idx-ios:checked) .idx-card:not(.is-ios) {
  display: none;
}

/* ---------- 分步截图 ---------- */
.page-home .shots__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-home .shots__fig img {
  border-left: 4px solid var(--navy);
}

.page-home .shots__lead {
  margin-top: 0.9em;
}

.page-home .shots__list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .shots__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--paper-white);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-home .shots__no {
  flex: none;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding-top: 3px;
  color: var(--cyan-deep);
}

.page-home .shots__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 更新节奏与信任条 ---------- */
.page-home .pulse__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-home .pulse__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  overflow: hidden;
}

.page-home .pulse__stat {
  padding: 14px;
  background: var(--paper-white);
}

.page-home .pulse__stat dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--grey);
}

.page-home .pulse__stat dd {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--ink);
}

.page-home .pulse__num {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin-right: 2px;
}

.page-home .pulse__more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  font-size: 0.9rem;
  color: var(--grey);
}

.page-home .pulse__more a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-home .pulse__more a:hover,
.page-home .pulse__more a:focus-visible {
  color: var(--navy);
}

.page-home .pulse__fig {
  align-self: start;
}

.page-home .trustbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: clamp(30px, 5vw, 56px);
  padding: 18px 20px;
  border-radius: var(--home-radius);
  background: var(--navy);
  color: var(--paper-white);
}

.page-home .trustbar__item {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.84rem;
  line-height: 1.5;
}

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

.page-home .trustbar__link {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
}

.page-home .trustbar__link:hover,
.page-home .trustbar__link:focus-visible {
  color: var(--paper-white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

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

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

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

@media (min-width: 900px) {
  .page-home .cover__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: clamp(32px, 4.6vw, 64px);
  }

  .page-home .cover__trace {
    margin-top: clamp(26px, 4vw, 44px);
  }

  .page-home .idx-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .idx-card:nth-child(even) {
    margin-top: 26px;
  }

  .page-home .shots__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .shots__fig {
    margin-top: 10px;
  }

  .page-home .pulse__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-home .cover__lead {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .trace-line {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-home .act,
  .page-home .idx-card,
  .page-home .idx-chip {
    transition: none;
  }

  .page-home .act:hover,
  .page-home .act:focus-visible,
  .page-home .idx-card:hover,
  .page-home .idx-card:focus-within {
    transform: none;
  }
}
<<<END>>>