.page-home {
  --home-line: rgba(46, 230, 214, 0.15);
  --home-line-soft: rgba(46, 230, 214, 0.28);
  --home-line-dark: rgba(46, 230, 214, 0.34);
  background: var(--paper);
  color: var(--slate);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  background: var(--ink-abyss);
  color: var(--paper);
  padding: 28px 0 48px;
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--home-line) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, var(--home-line) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-home .home-hero__inner {
  position: relative;
  display: grid;
  gap: 32px;
}

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

.page-home .home-hero__kicker {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-home .home-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-home .home-hero__lede {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cyan-mist);
}

.page-home .home-version {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid rgba(185, 242, 237, 0.25);
}

.page-home .home-version__flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .home-version__flag::before {
  content: "";
  width: 2px;
  height: 14px;
  background: var(--coral);
}

.page-home .home-version__mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-mist);
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--home-line-soft);
  background: var(--deep-sea);
}

.page-home .home-hero__figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-hero__figure figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-mist);
  padding: 8px 10px;
  border-top: 1px solid var(--home-line-soft);
}

/* ---------- 主体栅格 ---------- */
.page-home .home-layout {
  display: grid;
  gap: 0;
}

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

.page-home .home-flow {
  min-width: 0;
}

/* ---------- 主题带 ---------- */
.page-home .home-band {
  padding: 40px 0;
}

.page-home .home-band--paper {
  background: var(--paper);
}

.page-home .home-band--sage {
  background: var(--sage);
  padding-left: 20px;
  padding-right: 20px;
}

.page-home .home-band--deep {
  background: var(--deep-sea);
  color: var(--paper);
  padding-left: 20px;
  padding-right: 20px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-home .home-band--ink {
  background: var(--ink-abyss);
  color: var(--paper);
  padding-left: 20px;
  padding-right: 20px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-home .home-band__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .home-band__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ocean-mid);
}

.page-home .home-band--deep .home-band__eyebrow,
.page-home .home-band--ink .home-band__eyebrow {
  color: var(--cyan);
}

.page-home .home-band h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 5vw, 2.7rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
}

.page-home .home-band--deep h2,
.page-home .home-band--ink h2 {
  color: #ffffff;
}

.page-home .home-band__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
}

.page-home .home-band__foot a:not(.btn) {
  color: var(--deep-sea);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* ---------- 三步 ---------- */
.page-home .home-steps {
  margin-top: 4px;
  border: 1px solid var(--grid);
  background: #ffffff;
}

.page-home .home-steps__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding: 14px 16px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  background: var(--coral-tint);
}

.page-home .home-steps__summary::-webkit-details-marker {
  display: none;
}

.page-home .home-steps__summary::after {
  content: "收起";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--deep-sea);
}

.page-home .home-steps[open] .home-steps__summary::after {
  content: "收起";
}

.page-home .home-steps:not([open]) .home-steps__summary::after {
  content: "展开";
}

.page-home .home-steps__summary-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--deep-sea);
}

.page-home .home-steps__summary-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-home .home-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-home .home-steps__list li {
  padding: 18px 16px;
  border-top: 1px solid var(--grid);
}

.page-home .home-steps__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-home .home-steps__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.2;
  color: var(--deep-sea);
}

.page-home .home-steps__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 两个主栏目 ---------- */
.page-home .home-lanes__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--home-line-soft);
  margin-bottom: 24px;
}

.page-home .home-lanes__tabs [role="tab"] {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  min-height: 44px;
  padding: 12px 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--cyan-mist);
  cursor: pointer;
}

.page-home .home-lanes__tabs [role="tab"][aria-selected="true"] {
  color: #ffffff;
  border-bottom-color: var(--coral);
}

.page-home .home-lanes__tabs [role="tab"]:hover {
  color: #ffffff;
}

.page-home .home-lane {
  display: grid;
  gap: 24px;
}

.page-home .home-lane__scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .home-lane__scenes li {
  padding-left: 14px;
  border-left: 1px solid var(--home-line-dark);
}

.page-home .home-lane__scenes h3 {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: #ffffff;
}

.page-home .home-lane__scenes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cyan-mist);
}

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

.page-home .home-lane__media img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-home .home-lane__media figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan-mist);
  padding: 8px 10px;
  border-top: 1px solid var(--home-line-soft);
}

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

/* ---------- 更新节奏 ---------- */
.page-home .home-cadence__lede {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-home .home-cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-home .home-cadence__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--grid);
}

.page-home .home-cadence__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ocean-mid);
}

.page-home .home-cadence__name {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .home-cadence__tag {
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--deep-sea);
  background: var(--cyan-mist);
  padding: 3px 8px;
}

/* ---------- 打开速度 ---------- */
.page-home .home-speed__inner {
  display: grid;
  gap: 26px;
}

.page-home .home-metrics {
  display: grid;
  gap: 18px;
  margin: 0 0 22px;
}

.page-home .home-metric {
  border-top: 2px solid var(--ocean-mid);
  padding-top: 12px;
}

.page-home .home-metric__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 2.7rem);
  line-height: 1;
  color: var(--deep-sea);
  letter-spacing: -0.01em;
}

.page-home .home-metric__unit {
  font-size: 0.48em;
  letter-spacing: 0.02em;
}

.page-home .home-metric__label {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .home-speed__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
}

.page-home .home-speed__text a {
  color: var(--deep-sea);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-home .home-speed__media {
  margin: 0;
  border: 1px solid var(--grid);
}

.page-home .home-speed__media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-home .home-speed__media figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--deep-sea);
  padding: 8px 10px;
  border-top: 1px solid var(--grid);
}

/* ---------- 下一步 ---------- */
.page-home .home-next__grid {
  display: grid;
  border-top: 1px solid var(--home-line-dark);
}

.page-home .home-next__card {
  display: block;
  padding: 22px 0;
  text-decoration: none;
  color: var(--paper);
  border-bottom: 1px solid var(--home-line-dark);
}

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

.page-home .home-next__card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  line-height: 1.2;
  color: #ffffff;
}

.page-home .home-next__card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cyan-mist);
}

.page-home .home-next__arrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  transition: text-decoration-color 180ms var(--ease), color 180ms var(--ease);
}

.page-home .home-next__card:hover h3 {
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.page-home .home-next__card:hover .home-next__arrow,
.page-home .home-next__card:focus-visible .home-next__arrow {
  color: var(--coral);
  text-decoration-color: var(--coral);
}

.page-home .home-index__list a,
.page-home .home-band__foot a,
.page-home .home-lanes__tabs [role="tab"] {
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

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

  .page-home .home-steps__list li {
    border-top: 1px solid var(--grid);
  }

  .page-home .home-steps__list li + li {
    border-left: 1px solid var(--grid);
  }

  .page-home .home-lane {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .home-lane__media--end {
    order: 2;
  }

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

  .page-home .home-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .home-speed__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: 32px;
  }

  .page-home .home-cadence__list li {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .page-home .home-cadence__tag {
    grid-column: auto;
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero {
    padding: 36px 0 72px;
  }

  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 40px;
  }

  .page-home .home-hero__figure {
    margin-right: -24px;
  }

  .page-home .home-hero h1 {
    font-size: clamp(3.4rem, 7vw, 5.4rem);
  }

  .page-home .home-hero__lede {
    font-size: 16px;
  }

  .page-home .home-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 48px;
  }

  .page-home .home-index {
    display: block;
    padding: 56px 0;
  }

  .page-home .home-index__list {
    position: sticky;
    top: 104px;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 18px;
  }

  .page-home .home-index__list a {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
    align-items: baseline;
    padding-left: 12px;
    border-left: 1px solid var(--grid);
    text-decoration: none;
    color: var(--deep-sea);
  }

  .page-home .home-index__list a:hover,
  .page-home .home-index__list a:focus-visible {
    border-left: 2px solid var(--coral);
    padding-left: 11px;
  }

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

  .page-home .home-index__label {
    font-size: 13px;
    line-height: 1.5;
  }

  .page-home .home-index__mark {
    display: block;
    margin-top: 30px;
    padding-left: 12px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--ocean-mid);
  }

  .page-home .home-band {
    padding: 56px 0;
  }

  .page-home .home-band--sage,
  .page-home .home-band--deep,
  .page-home .home-band--ink {
    padding-left: 32px;
    padding-right: 32px;
  }

  .page-home .home-band__head {
    margin-bottom: 28px;
  }

  .page-home .home-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--home-line-dark);
  }

  .page-home .home-next__card {
    padding: 26px 24px;
    border-bottom: 0;
    border-right: 1px solid var(--home-line-dark);
  }

  .page-home .home-next__card:first-child {
    padding-left: 0;
  }

  .page-home .home-next__card:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

@media (min-width: 1200px) {
  .page-home .home-hero__figure {
    margin-right: -56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-index__list a,
  .page-home .home-next__arrow,
  .page-home .home-lanes__tabs [role="tab"] {
    transition: none;
  }
}
<<<END>>>