.page-home {
  --home-line: rgba(39, 70, 95, 0.65);
  --home-line-soft: rgba(39, 70, 95, 0.42);
  --home-copper-glow: rgba(185, 133, 75, 0.14);
  --home-body-dim: rgba(242, 246, 248, 0.78);
}

/* ---------- 首屏坐标 ---------- */
.page-home .home-hero {
  padding-top: clamp(6px, 1.6vw, 18px);
}

.page-home .home-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--home-line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .home-hero__version {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--copper-soft);
}

.page-home .home-hero__version::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(47, 211, 181, 0.18);
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(24px, 3.5vw, 44px);
}

.page-home .home-hero__lead {
  position: relative;
  padding-left: 18px;
}

.page-home .home-hero__lead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--copper), rgba(185, 133, 75, 0.05));
}

.page-home h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(29px, 5.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--paper);
  max-width: 17em;
}

.page-home .home-hero .lede {
  max-width: 36em;
  color: var(--home-body-dim);
}

.page-home .home-paths {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-paths__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--home-line);
  transition: border-color 0.25s var(--ease);
}

.page-home .home-paths__item:hover,
.page-home .home-paths__item:focus-within {
  border-bottom-color: var(--copper);
}

.page-home .home-paths__num {
  font-size: 11px;
  color: var(--copper);
  padding-top: 5px;
  letter-spacing: 0.08em;
}

.page-home .home-paths__link {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-home .home-paths__item:hover .home-paths__link {
  color: var(--copper-soft);
}

.page-home .home-paths__link:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-home .home-paths__hint {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-home .home-hero__media {
  margin: 0;
  border: 1px solid var(--home-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .home-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .home-snapshot {
  margin-top: 14px;
  padding: 16px 18px;
  background: var(--ink-850);
  border: 1px solid var(--home-line);
  border-left: 2px solid var(--teal);
  border-radius: var(--r-md);
}

.page-home .home-snapshot__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--copper-soft);
}

.page-home .home-snapshot__row {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--paper);
}

.page-home .home-snapshot__key {
  display: inline-block;
  min-width: 58px;
  margin-right: 10px;
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.06em;
}

.page-home .home-snapshot__foot {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--home-line-soft);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-home .home-snapshot__foot a {
  color: var(--copper-soft);
  text-underline-offset: 3px;
}

/* ---------- 标题层级 ---------- */
.page-home h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--paper);
  max-width: 22em;
}

.page-home h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 服务坐标总览 ---------- */
.page-home .home-services__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--home-body-dim);
}

.page-home .home-services__map {
  margin: clamp(20px, 3vw, 34px) 0 clamp(22px, 3vw, 34px);
  border: 1px solid var(--home-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .home-services__map .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

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

.page-home .home-legend__row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 6px 14px;
  padding: 18px 0 18px 14px;
  border-bottom: 1px solid var(--home-line);
  border-left: 2px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-home .home-legend__row:hover,
.page-home .home-legend__row:focus-within {
  border-left-color: var(--copper);
  background: linear-gradient(90deg, var(--home-copper-glow), transparent 62%);
}

.page-home .home-legend__num {
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.08em;
  padding-top: 4px;
}

.page-home .home-legend__name {
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-home .home-legend__desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.75;
  color: var(--home-body-dim);
}

.page-home .home-legend__count {
  grid-column: 2;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .home-services .link-arrow {
  display: inline-block;
  margin-top: 24px;
}

/* ---------- 版本对照 ---------- */
.page-home .home-compare__head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: flex-end;
  justify-content: space-between;
}

.page-home .home-compare__intro {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-body-dim);
}

.page-home .home-compare__figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border: 1px solid var(--home-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
}

.page-home .home-compare__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-home .home-compare__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-home .home-version {
  padding: 22px 20px;
  border: 1px solid var(--home-line);
  border-radius: var(--r-lg);
}

.page-home .home-version--legacy {
  background: linear-gradient(160deg, rgba(143, 163, 184, 0.18), rgba(6, 26, 43, 0.55));
}

.page-home .home-version--current {
  background: linear-gradient(160deg, rgba(77, 224, 255, 0.15), rgba(6, 26, 43, 0.55));
  border-color: rgba(77, 224, 255, 0.4);
}

.page-home .home-version h3 {
  margin-top: 14px;
}

.page-home .home-version__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-version__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .home-version--legacy .home-version__list li {
  color: rgba(242, 246, 248, 0.72);
}

.page-home .home-version__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.page-home .home-compare__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--home-line);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 帮助与指南 ---------- */
.page-home .home-help__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .home-help__media {
  margin: 0;
  border: 1px solid var(--home-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-home .home-help__cap {
  margin: 12px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .home-help__intro {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-body-dim);
}

.page-home .home-chapters {
  list-style: none;
  counter-reset: chap;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .home-chapters li {
  counter-increment: chap;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border: 1px dashed var(--home-line-soft);
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--paper);
}

.page-home .home-chapters li::before {
  content: "0" counter(chap);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--copper);
}

.page-home .home-faq {
  margin: 0 0 22px;
  border-top: 1px solid var(--home-line);
}

.page-home .home-faq__item {
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-faq__item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 14px 28px 14px 0;
  font-family: var(--font-head);
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-home .home-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--teal);
}

.page-home .home-faq__item[open] summary::after {
  content: "\2212";
}

.page-home .home-faq__item summary:hover {
  color: var(--copper-soft);
}

.page-home .home-faq__item summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-home .home-faq__item p {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--home-body-dim);
}

/* ---------- 运营数据与信任 ---------- */
.page-home .home-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(20px, 3vw, 30px);
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .home-metrics__cell {
  background: var(--ink-850);
  padding: 18px 14px;
}

.page-home .home-metrics__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(23px, 3vw, 32px);
  letter-spacing: -0.01em;
  color: var(--copper-soft);
  font-variant-numeric: tabular-nums;
}

.page-home .home-metrics__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--mist);
}

.page-home .home-trust__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-home .home-trust__text p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-body-dim);
}

.page-home .home-scale {
  list-style: none;
  margin: 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--home-line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 26px 0;
}

.page-home .home-scale li {
  position: relative;
  padding-right: 12px;
}

.page-home .home-scale li::before {
  content: "";
  position: absolute;
  left: 0;
  top: -23px;
  width: 1px;
  height: 14px;
  background: var(--copper);
}

.page-home .home-scale__year {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--copper-soft);
}

.page-home .home-scale__text {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 反馈与联系 ---------- */
.page-home .home-feedback__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-body-dim);
}

.page-home .home-feedback__grid {
  display: grid;
  gap: 20px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .home-feedback__topics h3 {
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--copper-soft);
  letter-spacing: 0.02em;
}

.page-home .home-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-topics a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--home-line);
  border-radius: var(--r-md);
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .home-topics a:hover {
  border-color: var(--copper);
  background: var(--home-copper-glow);
  transform: translateX(3px);
}

.page-home .home-topics a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-home .home-topics .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-home .home-contact {
  padding: 22px 20px;
}

.page-home .home-contact__list {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.page-home .home-contact__row {
  display: grid;
  gap: 3px;
}

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

.page-home .home-contact__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-home .home-contact__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--home-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--home-body-dim);
}

.page-home .home-steps {
  list-style: none;
  counter-reset: step;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .home-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 44px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--home-body-dim);
}

.page-home .home-steps li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: -2px;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--copper);
  opacity: 0.8;
}

.page-home .home-feedback__legal {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--home-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .home-feedback__legal a {
  color: var(--copper-soft);
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-home .home-chapters {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 860px) {
  .page-home .home-compare__grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--home-line);
    border-radius: var(--r-lg);
    overflow: hidden;
  }

  .page-home .home-version {
    border: 0;
    border-radius: 0;
  }

  .page-home .home-version--legacy {
    border-right: 1px solid var(--home-line);
  }

  .page-home .home-feedback__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-home .home-help__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-home .home-trust__grid {
    grid-template-columns: 6fr 6fr;
    align-items: start;
  }

  .page-home .home-legend__row {
    grid-template-columns: 46px minmax(108px, 0.8fr) 2.4fr 104px;
    align-items: baseline;
    gap: 18px;
    padding-left: 18px;
  }

  .page-home .home-legend__desc,
  .page-home .home-legend__count {
    grid-column: auto;
  }

  .page-home .home-legend__count {
    text-align: right;
  }

  .page-home .home-legend__num {
    padding-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-home .home-metrics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}
<<<END>>>