.page-home {
  --home-rule: 1px solid rgba(20, 17, 15, 0.14);
  --home-soft-rule: 1px solid rgba(20, 17, 15, 0.08);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  overflow-x: hidden;
}

.page-home section[id] {
  scroll-margin-top: 96px;
}

.page-home .page-home__block {
  border-top: var(--home-rule);
}

.page-home .eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin: 0 0 4px;
}

.page-home .home-h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(25px, 5vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
  max-width: 18em;
  color: var(--ink);
}

.page-home .lede {
  font-family: var(--font-serif);
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 46em;
  margin: 0;
}

/* ---------- 首屏：左窄右宽 ---------- */
.page-home .home-hero {
  padding: clamp(22px, 4.5vw, 52px) 0 clamp(34px, 5.5vw, 68px);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

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

.page-home .home-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(33px, 8.4vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 14px 0 18px;
  color: var(--ink);
}

.page-home .home-hero h1 em {
  font-style: normal;
  background: linear-gradient(transparent 58%, var(--orange-soft) 58%, var(--orange-soft) 94%, transparent 94%);
}

.page-home .home-hero__lede {
  font-family: var(--font-serif);
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.9;
  color: var(--ink-2);
  margin: 0 0 16px;
  max-width: 30em;
}

.page-home .home-hero__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
  margin: 0 0 20px;
}

.page-home .home-hero__num {
  color: var(--ink);
  font-weight: 700;
}

.page-home .home-hero__cta {
  margin-bottom: 26px;
}

.page-home .home-toc {
  margin-top: 22px;
}

.page-home .home-toc .toc__title {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--slate);
  margin: 0 0 10px;
}

.page-home .home-toc .toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-home .home-toc .toc__list::-webkit-scrollbar {
  display: none;
}

.page-home .home-toc .toc__list > li {
  flex: 0 0 auto;
}

.page-home .home-toc .toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  background: var(--paper-warm);
  border: 1px solid transparent;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-home .home-toc .toc__link:hover {
  background: var(--orange-soft);
}

.page-home .home-toc .toc__link[aria-current="true"] {
  color: var(--ink);
  background: var(--sign);
  border-color: var(--ink);
}

/* 首屏右栏 */
.page-home .home-hero__panel {
  position: relative;
  min-width: 0;
  background: var(--paper-warm);
  border-radius: 6px 4px 22px 4px;
  padding: clamp(15px, 2.6vw, 24px);
  overflow: hidden;
}

.page-home .home-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(20, 17, 15, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 17, 15, 0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0 0 clamp(16px, 2.6vw, 22px);
  border-radius: 3px 3px 14px 3px;
  overflow: hidden;
  background: linear-gradient(140deg, var(--map), var(--paper-warm));
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(140px, 24vw, 210px);
  object-fit: cover;
  max-width: 100%;
}

.page-home .home-hero__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 12px 9px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: linear-gradient(transparent, rgba(20, 17, 15, 0.72));
}

.page-home .home-compare {
  position: relative;
}

.page-home .home-compare__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink);
}

.page-home .home-compare__head p {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--ink);
}

.page-home .home-compare__head span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-home .home-compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-compare__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 13px 0;
  border-bottom: var(--home-soft-rule);
}

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

.page-home .home-compare__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  padding-top: 3px;
}

.page-home .home-compare__name {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 5px;
  letter-spacing: -0.01em;
}

.page-home .home-compare__desc {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  margin: 0;
}

.page-home .home-compare__link {
  display: inline-block;
  margin-top: 7px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
  transition: color 0.2s ease;
}

.page-home .home-compare__link:hover {
  color: var(--orange);
}

/* ---------- 本月校准 ---------- */
.page-home .home-calibration {
  background: var(--paper);
  padding-top: clamp(38px, 6vw, 76px);
  padding-bottom: clamp(38px, 6vw, 76px);
}

.page-home .home-calibration__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .home-calibration__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
}

.page-home .home-card {
  padding: clamp(20px, 3vw, 28px);
  border-radius: 18px 4px 18px 4px;
}

.page-home .home-card--paper {
  background: var(--paper-warm);
  border-left: 3px solid var(--orange);
}

.page-home .home-card--soft {
  background: var(--orange-soft);
}

.page-home .home-card--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-home .home-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate);
  margin: 0 0 12px;
}

.page-home .home-card--soft .home-card__tag {
  color: var(--ink-2);
}

.page-home .home-card--ink .home-card__tag {
  color: var(--sign);
}

.page-home .home-card__title {
  font-family: var(--font-sans);
  font-size: clamp(18px, 2.6vw, 21px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: inherit;
}

.page-home .home-card__text {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.85;
  margin: 0;
  color: var(--ink-2);
}

.page-home .home-card--ink .home-card__text {
  color: rgba(247, 243, 234, 0.82);
}

/* ---------- 三步轨道 ---------- */
.page-home .home-steps {
  padding-top: clamp(38px, 6vw, 76px);
  padding-bottom: clamp(38px, 6vw, 76px);
  background: var(--paper);
}

.page-home .home-steps__track {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-steps__item {
  position: relative;
  min-width: 0;
}

.page-home .home-step {
  background: var(--paper);
  border: var(--home-rule);
  border-left: 3px solid var(--orange);
  border-radius: 0 14px 14px 0;
  padding: 14px 16px 16px;
  transition: background 0.2s ease;
}

.page-home .home-step[open] {
  background: var(--paper-warm);
}

.page-home .home-step__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .home-step__num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-home .home-step__title {
  font-family: var(--font-sans);
  font-size: clamp(17px, 2.6vw, 20px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  border-bottom: 3px solid var(--orange-soft);
  padding-bottom: 2px;
  justify-self: start;
}

.page-home .home-step__chev {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--slate);
  transition: transform 0.22s ease, color 0.22s ease;
}

.page-home .home-step[open] .home-step__chev {
  transform: rotate(45deg);
  color: var(--orange);
}

.page-home .home-step__body {
  margin-top: 12px;
  padding-top: 12px;
  border-top: var(--home-soft-rule);
}

.page-home .home-step__body p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-home .home-steps__figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-home .home-steps__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  background: var(--map);
}

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

/* ---------- 设备与回访 ---------- */
.page-home .home-devices {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(40px, 6.5vw, 84px);
  padding-bottom: clamp(40px, 6.5vw, 84px);
  overflow: hidden;
  border-top: 0;
}

.page-home .home-devices::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(247, 243, 234, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 243, 234, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-home .home-devices__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

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

.page-home .home-devices__eyebrow {
  color: var(--sign);
}

.page-home .home-devices .home-h2 {
  color: var(--paper);
  margin-top: 10px;
}

.page-home .home-devices .lede {
  color: rgba(247, 243, 234, 0.8);
}

.page-home .home-devices__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-home .home-devices__item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid rgba(247, 243, 234, 0.16);
}

.page-home .home-devices__item:last-child {
  border-bottom: 1px solid rgba(247, 243, 234, 0.16);
}

.page-home .home-devices__name {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 800;
  color: var(--sign);
  letter-spacing: 0.02em;
}

.page-home .home-devices__desc {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.78);
}

.page-home .home-devices__note {
  margin: 20px 0 0;
  font-family: var(--font-serif);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--slate-soft);
  max-width: 40em;
}

.page-home .home-devices__figure {
  margin: 0;
  min-width: 0;
}

.page-home .home-devices__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 4px 4px 20px 4px;
}

.page-home .home-devices__figure figcaption {
  margin-top: 10px;
  color: var(--slate-soft);
}

/* ---------- 高频说明 ---------- */
.page-home .home-faq {
  background: var(--paper);
  padding-top: clamp(38px, 6vw, 76px);
  padding-bottom: clamp(38px, 6vw, 76px);
}

.page-home .home-faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

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

.page-home .home-faq__intro {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
  margin: 0 0 18px;
  max-width: 26em;
}

.page-home .home-faq__btn {
  margin-bottom: 12px;
}

.page-home .home-faq__more {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
  justify-self: start;
  width: fit-content;
  transition: color 0.2s ease;
}

.page-home .home-faq__more:hover {
  color: var(--orange);
}

.page-home .home-faq__figure {
  margin: 24px 0 0;
  border-radius: 4px 18px 4px 18px;
  overflow: hidden;
}

.page-home .home-faq__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 32vw, 260px);
  object-fit: cover;
}

.page-home .home-faq__list {
  min-width: 0;
  border-top: 2px solid var(--ink);
}

.page-home .home-faq__item {
  border-bottom: var(--home-rule);
}

.page-home .home-faq__item > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: clamp(15px, 2.4vw, 17px);
  font-weight: 800;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.2s ease;
}

.page-home .home-faq__item > summary::-webkit-details-marker {
  display: none;
}

.page-home .home-faq__item[open] > summary {
  color: var(--orange);
}

.page-home .home-faq__q {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--slate);
  flex: 0 0 auto;
}

.page-home .home-faq__item[open] .home-faq__q {
  color: var(--orange);
}

.page-home .home-faq__a {
  padding: 0 0 18px 30px;
}

.page-home .home-faq__a p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
}

.page-home .home-faq__a a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 2px solid var(--orange);
}

.page-home .home-faq__a a:hover {
  color: var(--orange);
}

/* ---------- 结尾 ---------- */
.page-home .home-cta {
  background: var(--paper-warm);
  border-top: 3px solid var(--orange);
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-home .home-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px 40px;
}

.page-home .home-cta__text {
  min-width: 0;
  flex: 1 1 280px;
}

.page-home .home-cta .home-h2 {
  margin-bottom: 10px;
}

.page-home .home-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 32fr) minmax(0, 68fr);
    gap: clamp(30px, 4vw, 60px);
  }

  .page-home .home-hero h1 {
    font-size: clamp(40px, 4.6vw, 62px);
  }

  .page-home .home-toc .toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-top: var(--home-rule);
  }

  .page-home .home-toc .toc__list > li {
    flex: none;
  }

  .page-home .home-toc .toc__link {
    display: flex;
    width: 100%;
    justify-content: space-between;
    padding: 12px 2px;
    background: transparent;
    border: 0;
    border-bottom: var(--home-rule);
    border-radius: 0;
    font-size: 15px;
    color: var(--ink-2);
  }

  .page-home .home-toc .toc__link::after {
    content: "→";
    font-family: var(--font-mono);
    color: var(--slate-soft);
  }

  .page-home .home-toc .toc__link:hover {
    background: transparent;
    color: var(--orange);
  }

  .page-home .home-toc .toc__link[aria-current="true"] {
    background: transparent;
    color: var(--orange);
    border-color: var(--orange);
  }

  .page-home .home-toc .toc__link[aria-current="true"]::after {
    color: var(--orange);
  }

  .page-home .home-calibration__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 24px);
  }

  .page-home .home-card--ink {
    grid-column: auto;
  }

  .page-home .home-steps__track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 26px);
    padding-top: 22px;
  }

  .page-home .home-steps__track::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--orange) 0 26px, transparent 26px 44px);
  }

  .page-home .home-steps__item::before {
    content: "";
    position: absolute;
    top: -22px;
    left: 0;
    width: 2px;
    height: 22px;
    background: var(--orange);
  }

  .page-home .home-step {
    height: 100%;
    border-left: 0;
    border-top: 2px solid var(--ink);
    border-radius: 0 0 16px 4px;
    padding: 16px 18px 20px;
  }

  .page-home .home-devices__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: clamp(30px, 4vw, 60px);
  }

  .page-home .home-faq__grid {
    grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
    gap: clamp(32px, 4vw, 64px);
  }
}

@media (min-width: 1200px) {
  .page-home .home-hero__lede {
    font-size: 17.5px;
  }

  .page-home .home-compare__name {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-toc .toc__link,
  .page-home .home-compare__link,
  .page-home .home-step,
  .page-home .home-step__chev,
  .page-home .home-faq__item > summary,
  .page-home .home-faq__more {
    transition: none;
  }
}
<<<END>>>