.page-home {
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-ui);
  overflow-x: hidden;
}

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

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

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(20px, 4vw, 34px) 0 clamp(48px, 8vw, 88px);
  background:
    radial-gradient(circle at 90% 4%, rgba(47, 208, 122, 0.18), transparent 42%),
    var(--paper);
  border-bottom: var(--line) solid var(--graphite);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 60px);
}

.page-home .hero__crumb {
  margin: 0 0 18px;
  font-size: 13px;
}

.page-home .hero__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-ink);
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.8vw, 70px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--graphite);
}

.page-home .hero__lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.page-home .navmock {
  margin-top: 32px;
  padding: 10px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-sm);
}

.page-home .navmock svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .tagrail {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding: 2px 4px 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .tagrail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--graphite);
  text-decoration: none;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-sm);
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}

.page-home .tagrail__item:hover,
.page-home .tagrail__item:focus-visible {
  background: var(--signal);
  transform: translate(-2px, -2px);
}

.page-home .hero__stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .hero__shot {
  margin: 0;
  max-width: 320px;
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background: var(--lift);
  overflow: hidden;
}

.page-home .hero__shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .vcard {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 14px 18px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  transition: transform 200ms var(--ease);
}

.page-home .vcard:hover {
  transform: translate(-3px, -3px);
}

.page-home .vcard--v3 {
  background: var(--signal);
}

.page-home .vcard__no {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-home .vcard__tag {
  font-size: 13px;
  font-weight: 600;
  padding: 3px 8px;
  background: var(--paper);
  border: 2px solid var(--graphite);
}

.page-home .vcard--v3 .vcard__tag {
  background: transparent;
  border-color: var(--signal-ink);
  color: var(--signal-ink);
}

.page-home .vcard__extra {
  flex: 1 1 100%;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist-ink);
  border-left: 3px solid var(--mist);
  padding-left: 8px;
}

.page-home .vcard--v3 .vcard__extra {
  color: var(--signal-ink);
  border-left-color: var(--signal-ink);
}

.page-home .hero__fan {
  margin: 0;
  max-width: 420px;
  border: var(--line) solid var(--graphite);
  background: var(--lift);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

/* ---------- 区块标题组 ---------- */
.page-home .phead {
  margin-bottom: clamp(28px, 5vw, 44px);
}

.page-home .phead__kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-ink);
}

.page-home .phead__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--graphite);
}

.page-home .phead__sub {
  margin: 12px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 入口地图 ---------- */
.page-home .entries {
  padding: clamp(48px, 8vw, 96px) 0;
  background: var(--snow);
}

.page-home .entries__path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .pnode {
  padding: 20px 18px 18px;
  background: var(--paper);
  border: var(--line) solid var(--graphite);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-home .pnode:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.page-home .pnode__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  background: var(--signal);
  color: var(--signal-ink);
  border: 2px solid var(--graphite);
}

.page-home .pnode__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--graphite);
}

.page-home .pnode__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-home .pnode__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--signal-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 换机清单 ---------- */
.page-home .preswitch {
  padding: clamp(48px, 8vw, 96px) 0;
  background: var(--paper);
}

.page-home .preswitch__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-home .preswitch__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.16;
  color: var(--graphite);
}

.page-home .preswitch__text {
  margin: 16px 0 24px;
  max-width: 30em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.page-home .clist__item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-top: 2px solid var(--snow);
}

.page-home .clist__item:last-child {
  border-bottom: 2px solid var(--snow);
}

.page-home .clist__num {
  flex: 0 0 auto;
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: var(--coral);
}

.page-home .clist__body h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--graphite);
}

.page-home .clist__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 版本索引 ---------- */
.page-home .vindex {
  padding: clamp(48px, 8vw, 96px) 0;
  background: var(--snow);
}

.page-home .vindex__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .vline {
  padding: 22px 20px 20px;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
}

.page-home .vline--hero {
  background: var(--signal);
  color: var(--signal-ink);
}

.page-home .vline__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-home .vline__role {
  margin: 10px 0 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-home .vline__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-home .vline--hero .vline__text {
  color: var(--signal-ink);
}

.page-home .vindex__foot {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
}

.page-home .vindex__count {
  flex: 1 1 320px;
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--mist);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-ink);
}

/* ---------- 导出工具 ---------- */
.page-home .export {
  padding: clamp(48px, 8vw, 96px) 0;
  background: var(--paper);
}

.page-home .export__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-home .export__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.16;
  color: var(--graphite);
}

.page-home .export__lead {
  margin: 16px 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .steps {
  margin-bottom: 18px;
}

.page-home .step {
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}

.page-home .step__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .step__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mist-ink);
}

.page-home .step[open] .step__sum::after {
  content: "–";
}

.page-home .step__sum:focus-visible {
  outline: 2px solid var(--signal-ink);
  outline-offset: 2px;
}

.page-home .step__num {
  font-size: 13px;
  padding: 2px 8px;
  background: var(--amber);
  color: var(--amber-ink);
  border: 2px solid var(--graphite);
}

.page-home .step__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--graphite);
}

.page-home .step__body {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .export__text .note {
  margin: 0 0 20px;
}

.page-home .export__fig {
  margin: 0;
  background: var(--lift);
  border: var(--line) solid var(--graphite);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .export__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 场景分流 ---------- */
.page-home .scenes {
  padding: clamp(48px, 8vw, 96px) 0;
  background: var(--snow);
}

.page-home .scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .scene {
  display: block;
  padding: 22px 20px;
  background: var(--paper);
  border: var(--line) solid var(--graphite);
  color: var(--graphite);
  text-decoration: none;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease),
    background-color 180ms var(--ease);
}

.page-home .scene:hover,
.page-home .scene:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
  background: var(--lift);
}

.page-home .scene__mark {
  display: inline-block;
  font-size: 12px;
  padding: 2px 9px;
  background: var(--mist);
  color: var(--graphite);
  border: 2px solid var(--graphite);
}

.page-home .scene__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
}

.page-home .scene__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-home .scene__go {
  font-size: 14px;
  font-weight: 600;
  color: var(--signal-ink);
}

/* ---------- 服务与联系 ---------- */
.page-home .service {
  position: relative;
  padding: clamp(48px, 8vw, 96px) 0;
  background: var(--graphite);
  color: var(--paper);
  overflow: hidden;
}

.page-home .service__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0.14;
  pointer-events: none;
}

.page-home .service__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .service__inner {
  position: relative;
  z-index: 1;
}

.page-home .service__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.16;
  color: var(--paper);
}

.page-home .service__text {
  margin: 16px 0 28px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--snow);
}

.page-home .service__rows {
  max-width: 660px;
  margin-bottom: 28px;
}

.page-home .service__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 12px 0;
  border-top: 1px solid rgba(250, 247, 240, 0.22);
}

.page-home .service__row:last-child {
  border-bottom: 1px solid rgba(250, 247, 240, 0.22);
}

.page-home .service__k {
  flex: 0 0 60px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-home .service__v {
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  word-break: break-word;
}

.page-home .service__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.page-home .service__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

@media (min-width: 720px) {
  .page-home .vindex__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-home .hero__stack {
    gap: 0;
  }
  .page-home .hero__shot {
    margin: 0 0 18px 0;
  }
  .page-home .vcard {
    margin: 0 0 14px 0;
  }
  .page-home .vcard--v2 {
    margin-left: 26px;
  }
  .page-home .vcard--v1 {
    margin-left: 52px;
  }
  .page-home .hero__fan {
    margin: 0 0 0 78px;
  }
  .page-home .preswitch__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 56px;
  }
  .page-home .export__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
    gap: 56px;
  }
}

@media (min-width: 1024px) {
  .page-home .entries__path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-home .vindex__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }
  .page-home .vline:nth-child(2) {
    margin-top: 28px;
  }
  .page-home .vline:nth-child(3) {
    margin-top: 12px;
  }
  .page-home .vline:nth-child(4) {
    margin-top: 44px;
  }
  .page-home .scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
  }
  .page-home .tagrail__item:hover,
  .page-home .vcard:hover,
  .page-home .pnode:hover,
  .page-home .scene:hover,
  .page-home .scene:focus-visible {
    transform: none;
  }
}
<<<END>>>