/* ============ 首页 page-home ============ */
.page-home {
  display: block;
}

.page-home .home-context {
  margin: 26px 0 0;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* -------- 信号状态条 -------- */
.page-home .home-signal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  margin-top: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background:
    linear-gradient(96deg, rgba(52, 226, 212, 0.12), rgba(31, 169, 201, 0.03) 48%, rgba(6, 22, 38, 0) 74%),
    var(--glass);
}

.page-home .home-signal__live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-home .home-signal__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-home .home-signal__k {
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .home-signal__v {
  font-size: var(--fs-15);
  letter-spacing: 0.04em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* -------- 首屏 5:7 -------- */
.page-home .home-hero {
  padding-top: 46px;
  padding-bottom: 8px;
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-home .home-hero__title {
  margin: 0 0 20px;
  font-size: var(--fs-40);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .home-hero__intro {
  margin: 0 0 16px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--muted);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 34px;
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-home .home-hero__stat dt {
  margin-bottom: 6px;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .home-hero__stat dd {
  margin: 0;
  font-size: var(--fs-21);
  font-weight: 600;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .home-hero__side {
  display: grid;
  gap: 28px;
  min-width: 0;
}

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

/* -------- 主题目录 -------- */
.page-home .home-index {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-home .home-index__head {
  margin: 0 0 8px;
  font-size: var(--fs-13);
  letter-spacing: 0.1em;
  color: var(--muted);
}

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

.page-home .home-index__list li + li {
  border-top: 1px solid var(--line);
}

.page-home .home-index__list a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 13px 4px;
  font-size: var(--fs-15);
  color: var(--text);
  text-decoration: none;
  transition: padding-left 180ms ease-out, color 180ms ease-out;
}

.page-home .home-index__num {
  flex: none;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 180ms ease-out;
}

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

.page-home .home-index__list a:hover,
.page-home .home-index__list a:focus-visible {
  padding-left: 10px;
  color: var(--cyan);
}

.page-home .home-index__list a:hover .home-index__num,
.page-home .home-index__list a:focus-visible .home-index__num {
  color: var(--cyan);
}

/* -------- 左轨 + 正文 -------- */
.page-home .home-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 68px;
}

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

.page-home .home-body__main {
  display: grid;
  gap: 64px;
  min-width: 0;
}

.page-home .home-section {
  scroll-margin-top: 120px;
}

.page-home .home-section__lead {
  margin: 0 0 26px;
  max-width: 64ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--muted);
}

/* -------- 三步固定入口 -------- */
.page-home .home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 6px 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-home .home-steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .home-steps__num {
  grid-row: 1 / 3;
  padding-top: 5px;
  font-size: var(--fs-13);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .home-steps__title {
  margin: 0;
  font-size: var(--fs-21);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .home-steps li p {
  margin: 0;
  max-width: 58ch;
  font-size: var(--fs-15);
  line-height: 1.72;
  color: var(--muted);
}

/* -------- 栏目切换 -------- */
.page-home .home-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

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

.page-home .home-compare {
  display: grid;
}

.page-home .home-compare__row {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-home .home-compare__name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  margin: 0 0 10px;
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--text);
}

.page-home .home-compare__tag {
  font-size: var(--fs-13);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--cyan-deep);
}

.page-home .home-compare__row p {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.72;
  color: var(--muted);
}

/* -------- 客户端版本切换器 -------- */
.page-home .home-switch {
  position: relative;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.page-home .home-switch__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-home .home-switch__controls {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
}

.page-home .home-switch__tab {
  padding: 9px 18px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
  transition: background 180ms ease-out, color 180ms ease-out;
  font-variant-numeric: tabular-nums;
}

.page-home .home-switch__radio:focus-visible ~ .home-switch__controls .home-switch__tab {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .home-switch__radio:nth-of-type(1):checked ~ .home-switch__controls .home-switch__tab[for="ver-new"],
.page-home .home-switch__radio:nth-of-type(2):checked ~ .home-switch__controls .home-switch__tab[for="ver-old"] {
  background: var(--coral);
  color: #061626;
}

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

.page-home .home-switch__radio:nth-of-type(1):checked ~ .home-switch__panels .home-switch__panel--new,
.page-home .home-switch__radio:nth-of-type(2):checked ~ .home-switch__panels .home-switch__panel--old {
  display: block;
  animation: home-fade 240ms ease-out both;
}

@keyframes home-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-home .home-ver {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-home .home-ver__title {
  margin: 0;
  font-size: var(--fs-21);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .home-ver__meta {
  margin: 0;
  font-size: var(--fs-13);
  letter-spacing: 0.05em;
  color: var(--muted);
}

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

.page-home .home-ver li {
  display: flex;
  gap: 12px;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--text);
}

.page-home .home-ver li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-home .home-ver--old li::before {
  background: var(--amber);
}

.page-home .home-client__figure {
  margin: 30px 0 0;
}

/* -------- 常见问题 -------- */
.page-home .home-faq {
  border-top: 1px solid var(--line);
}

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

/* -------- 联络信息 -------- */
.page-home .home-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-home .home-contact__item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .home-contact__k {
  margin-bottom: 8px;
  font-size: var(--fs-13);
  letter-spacing: 0.07em;
  color: var(--muted);
}

.page-home .home-contact__v {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* -------- 收尾分隔带 -------- */
.page-home .home-closing {
  margin-top: 72px;
  padding-bottom: 8px;
}

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

/* -------- 桌面端 -------- */
@media (min-width: 760px) {
  .page-home .home-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-contact__item:nth-child(odd) {
    padding-right: 32px;
  }

  .page-home .home-contact__item:nth-child(even) {
    padding-left: 32px;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 820px) {
  .page-home .home-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }
}

@media (min-width: 980px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .home-body {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-home .home-rail {
    position: sticky;
    top: 108px;
  }

  .page-home .home-hero__intro {
    max-width: 46ch;
  }

  .page-home .home-hero__title {
    max-width: 17ch;
  }
}

@media (min-width: 1120px) {
  .page-home .home-body__main {
    gap: 80px;
  }

  .page-home .home-closing {
    margin-top: 96px;
  }
}

/* -------- 动效降级 -------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .home-index__list a,
  .page-home .home-index__num,
  .page-home .home-switch__tab {
    transition: none;
  }

  .page-home .home-switch__radio:nth-of-type(1):checked ~ .home-switch__panels .home-switch__panel--new,
  .page-home .home-switch__radio:nth-of-type(2):checked ~ .home-switch__panels .home-switch__panel--old {
    animation: none;
  }
}
<<<END>>>