.page-home {
  --home-rule: 1px solid rgba(107, 26, 26, .16);
  --home-rule-strong: 1px solid rgba(107, 26, 26, .3);
  padding-bottom: clamp(40px, 6vw, 80px);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  padding-top: clamp(16px, 2.5vw, 32px);
}

.page-home .hero__plate {
  position: relative;
  border: 2px solid var(--crimson);
  background: var(--paper);
  box-shadow: var(--sheet);
  overflow: hidden;
}

.page-home .hero__plate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 13px;
  background: repeating-linear-gradient(
    to right,
    rgba(107, 26, 26, .42) 0 1px,
    transparent 1px 22px
  );
  border-bottom: 1px solid rgba(107, 26, 26, .18);
  pointer-events: none;
}

.page-home .hero__inner {
  padding: clamp(30px, 4vw, 54px) clamp(18px, 3.2vw, 46px) clamp(20px, 3vw, 34px);
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(20px, 3.2vw, 40px);
  align-items: center;
}

.page-home .hero__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -.02em;
  margin: 10px 0 18px;
  color: var(--ink);
  max-width: 15em;
}

.page-home .hero__title em {
  font-family: var(--font-serif);
  font-style: normal;
  font-weight: 300;
  color: var(--crimson);
  padding: 0 .06em;
}

.page-home .hero__lede {
  margin: 0;
  max-width: 32em;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: var(--home-rule);
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-home .hero__facts .mono {
  display: inline-block;
  min-width: 2.4em;
  margin-right: 8px;
  font-weight: 700;
  color: var(--crimson);
}

.page-home .hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--crimson-soft);
  background: var(--paper-2);
  box-shadow: var(--sheet-sm);
  overflow: hidden;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--crimson-deep);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: .12em;
  padding: 6px 12px;
}

.page-home .hero__foot {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: clamp(24px, 3vw, 36px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-soft);
}

.page-home .hero__foot::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--crimson), transparent);
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 42fr) minmax(0, 58fr);
    align-items: stretch;
  }
  .page-home .hero__figure {
    display: flex;
    flex-direction: column;
  }
  .page-home .hero__figure img {
    flex: 1;
    aspect-ratio: auto;
    min-height: 320px;
  }
}

/* ---------- 章节骨架 ---------- */
.page-home .chapter {
  padding-block: clamp(46px, 6.4vw, 92px) 0;
}

.page-home .chapter--tint {
  margin-top: clamp(46px, 6.4vw, 92px);
  padding-block: clamp(38px, 5.2vw, 70px);
  background: var(--paper-2);
  border-top: var(--home-rule);
  border-bottom: var(--home-rule);
}

.page-home .chapter__head {
  margin-bottom: clamp(24px, 3.2vw, 44px);
}

.page-home .chapter__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(46px, 8vw, 104px);
  line-height: .82;
  font-weight: 200;
  letter-spacing: -.04em;
  color: rgba(107, 26, 26, .16);
  margin-bottom: 12px;
  user-select: none;
}

.page-home .chapter__title {
  margin: 8px 0 0;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--ink);
  max-width: 20em;
}

.page-home .chapter__intro {
  margin: 14px 0 0;
  max-width: 40em;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 01 对照轴 ---------- */
.page-home .compare {
  display: grid;
  gap: clamp(20px, 2.8vw, 32px);
}

.page-home .compare__figure {
  position: relative;
  margin: 0;
  border: var(--home-rule-strong);
  background: var(--paper-2);
  overflow: hidden;
}

.page-home .compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .compare__caption {
  position: absolute;
  right: 0;
  bottom: 0;
  background: var(--crimson-deep);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 5px 11px;
}

.page-home .compare__panels {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-home .lane {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 20px 24px;
  background: var(--paper);
  border: var(--home-rule-strong);
  box-shadow: var(--sheet-sm);
}

.page-home .lane--new {
  background: linear-gradient(180deg, var(--paper) 0 58%, var(--paper-2) 100%);
  border-left: 3px solid var(--gold);
}

.page-home .lane--old {
  border-left: 3px solid var(--crimson);
}

.page-home .lane__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .lane__ver {
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: .06em;
}

.page-home .lane__name {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .lane__meter {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 4px;
}

.page-home .lane__meter span {
  height: 9px;
  background: var(--paper-2);
  border: 1px solid rgba(107, 26, 26, .22);
}

.page-home .lane--old .lane__meter span.is-on {
  background: var(--crimson);
  border-color: var(--crimson);
}

.page-home .lane--new .lane__meter span.is-on {
  background: var(--gold);
  border-color: var(--gold);
}

.page-home .lane__rows {
  margin: 0;
  padding: 0;
  border-top: var(--home-rule);
}

.page-home .lane__row {
  display: grid;
  grid-template-columns: 4.2em minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: var(--home-rule);
  font-size: 14px;
  line-height: 1.7;
}

.page-home .lane__row dt {
  color: var(--ink-soft);
  letter-spacing: .02em;
}

.page-home .lane__row dd {
  margin: 0;
  color: var(--ink);
}

.page-home .lane__row .mono {
  font-weight: 700;
  color: var(--crimson);
}

.page-home .lane__flag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding-top: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-home .compare__note {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 16px 18px;
  background: var(--paper-2);
  border-left: 3px solid var(--teal);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 48em;
}

@media (min-width: 780px) {
  .page-home .compare__panels {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

@media (min-width: 1040px) {
  .page-home .compare {
    grid-template-columns: minmax(0, 40fr) minmax(0, 60fr);
    align-items: start;
  }
  .page-home .compare__figure img {
    aspect-ratio: 4 / 5;
  }
}

/* ---------- 02 端别速览 ---------- */
.page-home .band {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  border: var(--home-rule-strong);
  overflow: hidden;
}

.page-home .band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

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

.page-home .device {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 15px 16px 14px;
  background: var(--paper);
  border: var(--home-rule-strong);
  border-top: 3px solid var(--teal);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-home .device:hover,
.page-home .device:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--sheet-sm);
}

.page-home .device__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .device__name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .device__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-home .device__meta {
  margin: 2px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--teal);
  border-top: 1px dashed rgba(31, 95, 91, .35);
  padding-top: 7px;
}

.page-home .devices__more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .link-inline {
  color: var(--flag-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 111, 168, .45);
  padding-bottom: 1px;
}

.page-home .link-inline:hover {
  border-bottom-color: var(--gold);
  color: var(--crimson);
}

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

@media (min-width: 1000px) {
  .page-home .devices {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .band img {
    aspect-ratio: 7 / 2;
  }
}

/* ---------- 03 更新时间 ---------- */
.page-home .updates {
  display: grid;
  gap: clamp(20px, 2.8vw, 34px);
}

.page-home .updates__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--crimson);
}

.page-home .step-item {
  display: grid;
  grid-template-columns: 3.2em minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-bottom: var(--home-rule);
}

.page-home .step-item__num {
  grid-row: span 2;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--crimson-soft);
  line-height: 1.3;
}

.page-home .step-item__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.page-home .step-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .updates__aside {
  padding: 22px 20px 24px;
  background: var(--paper-2);
  border: var(--home-rule-strong);
  border-bottom: 3px solid var(--teal);
  align-self: start;
}

.page-home .updates__aside-title {
  margin: 10px 0 12px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-home .updates__aside p {
  font-size: 14px;
  line-height: 1.82;
  color: var(--ink-soft);
  margin: 0 0 18px;
}

@media (min-width: 860px) {
  .page-home .updates {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
  .page-home .step-item {
    grid-template-columns: 4.4em minmax(0, 1fr);
    padding: 22px 0;
  }
  .page-home .step-item__num {
    font-size: 28px;
  }
}

/* ---------- 04 使用记录 ---------- */
.page-home .records {
  display: grid;
  gap: clamp(24px, 3.2vw, 40px);
}

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

.page-home .entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 14px;
  padding: 18px 0;
  border-top: var(--home-rule);
}

.page-home .entry:last-child {
  border-bottom: var(--home-rule);
}

.page-home .entry__no {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  font-weight: 700;
}

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

.page-home .entry__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .entry__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .entry .tag {
  align-self: start;
  margin-top: 2px;
}

.page-home .records__link {
  margin-top: 22px;
  display: inline-block;
}

.page-home .records__figure {
  position: relative;
  margin: 0;
  border: var(--home-rule-strong);
  background: var(--paper-2);
  box-shadow: var(--sheet-sm);
  overflow: hidden;
  transform: translateY(0);
}

.page-home .records__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .records__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--crimson-deep);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 6px 12px;
}

@media (min-width: 900px) {
  .page-home .records {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-home .records__figure {
    margin-top: 74px;
  }
}

/* ---------- 05 人工服务 ---------- */
.page-home .closing {
  display: grid;
  gap: clamp(24px, 3.2vw, 44px);
  padding: clamp(26px, 4vw, 54px);
  background: var(--crimson-deep);
  color: var(--paper);
  border: 1px solid var(--crimson);
  box-shadow: var(--sheet);
}

.page-home .closing .eyebrow {
  color: var(--gold-light);
}

.page-home .closing__title {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 14em;
}

.page-home .closing__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(246, 241, 231, .82);
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .closing .btn--ghost {
  color: var(--paper);
  border-color: rgba(246, 241, 231, .48);
}

.page-home .closing .btn--ghost:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}

.page-home .closing__aside {
  border-top: 1px solid rgba(201, 162, 39, .5);
  padding-top: 20px;
}

.page-home .closing__facts {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .closing__facts li {
  display: grid;
  grid-template-columns: 3.4em minmax(0, 1fr);
  gap: 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(246, 241, 231, .78);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(246, 241, 231, .14);
}

.page-home .closing__facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .closing__facts .mono {
  color: var(--gold-light);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.3;
}

@media (min-width: 860px) {
  .page-home .closing {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: start;
  }
  .page-home .closing__aside {
    border-top: 0;
    border-left: 1px solid rgba(201, 162, 39, .45);
    padding-top: 0;
    padding-left: clamp(20px, 2.6vw, 32px);
  }
}

/* ---------- 通用微调 ---------- */
.page-home .eyebrow {
  letter-spacing: .14em;
}

.page-home .btn {
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-home .btn:hover {
  transform: translateY(-1px);
}

.page-home .btn:focus-visible,
.page-home .link-inline:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .device,
  .page-home .btn {
    transition: none;
  }
  .page-home .device:hover,
  .page-home .btn:hover {
    transform: none;
  }
}
<<<END>>>