.page-home {
  --home-pad: clamp(1.15rem, 5vw, 3rem);
  --home-y: clamp(3.5rem, 9vw, 7.5rem);
  --home-gap: clamp(1.25rem, 3.5vw, 2.5rem);
  --home-line: 3px solid var(--ink);
  --home-mist-dark: rgba(154, 163, 184, 0.85);
  --home-paper-line: rgba(7, 11, 20, 0.14);
  background: var(--indigo-900);
  color: var(--paper);
  font-family: var(--font-sans);
}

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

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(3.5rem, 10vw, 7rem) clamp(3rem, 7vw, 5.5rem);
  background: var(--indigo-900);
}

.page-home .hero__slab {
  position: absolute;
  inset: 0;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 0 100%);
  pointer-events: none;
}

.page-home .hero__slab::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(217, 162, 75, 0.16) 0 1px, transparent 1px 84px),
    linear-gradient(158deg, var(--indigo-800) 0%, var(--indigo-900) 68%);
  clip-path: inherit;
  transform: translateY(-3px);
}

.page-home .hero__inner {
  position: relative;
  display: grid;
  gap: clamp(2rem, 5vw, 3.25rem);
  align-items: center;
}

.page-home .hero__coord {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
  margin: 0 0 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--gold-soft);
}

.page-home .hero__coord-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0;
}

.page-home .hero__coord-sep {
  color: var(--indigo-700);
}

.page-home .hero__coord-text {
  padding-top: 0.15rem;
  color: var(--mist);
  letter-spacing: 0.06em;
}

.page-home .hero__title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 7.5vw, 4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .hero__lead {
  max-width: 34rem;
  margin: 0 0 2rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, 0.86);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.page-home .hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 0;
  margin: 0;
  border-top: var(--home-line);
  border-color: var(--indigo-700);
}

.page-home .hero__meta-item {
  padding: 0.95rem 1rem 0.95rem 0;
}

.page-home .hero__meta-item + .hero__meta-item {
  padding-left: 1rem;
  border-left: 1px solid var(--indigo-700);
}

.page-home .hero__meta dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-bottom: 0.4rem;
}

.page-home .hero__meta dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--gold-soft);
}

.page-home .hero__shot {
  margin: 0;
  border: var(--home-line);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(150deg, var(--indigo-700), var(--indigo-900));
  overflow: hidden;
}

.page-home .hero__shot img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .hero__shot-cap {
  padding: 0.7rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  background: var(--ink);
  border-top: var(--home-line);
}

/* ---------- 章节骨架 ---------- */
.page-home .ch {
  position: relative;
  padding-block: var(--home-y);
}

.page-home .ch--edge {
  border-top: var(--home-line);
}

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

.page-home .ch--dark {
  background: var(--indigo-900);
  color: var(--paper);
}

.page-home .ch--tide {
  background: var(--indigo-800);
  color: var(--paper);
  border-top: var(--home-line);
  border-bottom: var(--home-line);
}

.page-home .ch__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .ch__rail {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
}

.page-home .ch__num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  line-height: 0.9;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--indigo-700);
}

.page-home .ch__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--ink);
  opacity: 0.6;
  padding-bottom: 0.2rem;
}

.page-home .ch--dark .ch__num,
.page-home .ch--tide .ch__num {
  color: var(--gold);
}

.page-home .ch--dark .ch__label,
.page-home .ch--tide .ch__label {
  color: var(--gold-soft);
  opacity: 0.8;
}

.page-home .ch__title {
  margin: 0 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.4vw, 2.4rem);
  line-height: 1.26;
  letter-spacing: -0.02em;
}

.page-home .ch__body .lead {
  max-width: 38rem;
  margin: 0 0 2rem;
  font-size: 1rem;
  line-height: 1.82;
  color: rgba(7, 11, 20, 0.78);
}

.page-home .ch--dark .ch__body .lead,
.page-home .ch--tide .ch__body .lead {
  color: rgba(246, 241, 231, 0.84);
}

.page-home .ch__note {
  margin: 1.75rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(7, 11, 20, 0.66);
}

.page-home .ch__note--dark {
  color: var(--home-mist-dark);
}

.page-home .ch__link {
  color: var(--indigo-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .ch__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 2rem;
  padding: 0.85rem 1.5rem;
  border: var(--home-line);
  box-shadow: var(--shadow-hard);
  background: var(--ink);
  color: var(--paper);
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .ch__cta::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-home .ch__cta:hover,
.page-home .ch__cta:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
}

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

.page-home .ch__cta--gold {
  background: var(--gold);
  color: var(--ink);
}

.page-home .ch__cta--gold::after {
  color: var(--ink);
}

/* ---------- 自查清单 ---------- */
.page-home .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--home-line);
}

.page-home .checklist__item {
  position: relative;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--home-paper-line);
}

.page-home .checklist__box {
  position: absolute;
  top: 1.1rem;
  left: 0;
  width: 1.75rem;
  height: 1.75rem;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.page-home .checklist__label {
  display: block;
  position: relative;
  padding-left: 2.6rem;
  cursor: pointer;
}

.page-home .checklist__label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.35rem;
  height: 1.35rem;
  border: 2px solid var(--ink);
  background: transparent;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-home .checklist__label::after {
  content: "";
  position: absolute;
  left: 0.38rem;
  top: 0.38rem;
  width: 0.46rem;
  height: 0.46rem;
  border-right: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  transform: rotate(45deg) scale(0);
  transform-origin: center;
  transition: transform 180ms var(--ease);
}

.page-home .checklist__box:checked + .checklist__label::before {
  border-color: var(--gold);
  background: rgba(217, 162, 75, 0.16);
}

.page-home .checklist__box:checked + .checklist__label::after {
  transform: rotate(45deg) scale(1);
}

.page-home .checklist__box:focus-visible + .checklist__label::before {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-home .checklist__title {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
}

.page-home .checklist__desc {
  display: block;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(7, 11, 20, 0.66);
}

.page-home .ch__shot {
  margin: 2rem 0 0;
  border: var(--home-line);
  box-shadow: var(--shadow-hard);
  background: var(--indigo-800);
  overflow: hidden;
}

.page-home .ch__shot img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-home .ch__shot-cap {
  padding: 0.65rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
  background: var(--ink);
  border-top: var(--home-line);
}

/* ---------- 进站三步 ---------- */
.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  counter-reset: step;
}

.page-home .step {
  position: relative;
  padding-top: 0.5rem;
  border-top: var(--home-line);
  border-color: var(--indigo-700);
  padding-top: 1.6rem;
}

.page-home .step__ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 4.6rem;
  height: 4.6rem;
  margin-bottom: 1.2rem;
  border-radius: 50%;
  border: var(--home-line);
  background: var(--indigo-700);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-home .step__ring::before {
  content: "";
  position: absolute;
  inset: -0.62rem;
  border-radius: 50%;
  background: repeating-conic-gradient(from -90deg, var(--gold) 0deg 1.6deg, transparent 1.6deg 18deg);
  -webkit-mask: radial-gradient(circle, transparent 0 63%, #000 63% 100%);
  mask: radial-gradient(circle, transparent 0 63%, #000 63% 100%);
  opacity: 0.8;
  pointer-events: none;
}

.page-home .step__num {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-home .step__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  color: var(--paper);
}

.page-home .step__desc {
  margin: 0 0 0.85rem;
  font-size: 0.94rem;
  line-height: 1.78;
  color: rgba(246, 241, 231, 0.8);
}

.page-home .step__crit {
  margin: 0;
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--gold-soft);
  background: rgba(217, 162, 75, 0.1);
  border-left: 3px solid var(--gold);
}

.page-home .steps__shot {
  margin: 2.5rem 0 0;
  border: var(--home-line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--indigo-800);
}

.page-home .steps__shot img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.page-home .steps__shot-cap {
  padding: 0.65rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--misq, var(--mist));
  background: var(--ink);
  border-top: var(--home-line);
}

/* ---------- 版本目录 ---------- */
.page-home .dir {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--home-line);
}

.page-home .dir__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--home-paper-line);
}

.page-home .dir__index {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--paper);
  background: var(--indigo-700);
  border: 2px solid var(--ink);
}

.page-home .dir__name {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.page-home .dir__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(7, 11, 20, 0.66);
}

/* ---------- 企业服务 ---------- */
.page-home .svc {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .svc__list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(246, 241, 231, 0.22);
}

.page-home .svc__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  column-gap: 0.9rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(246, 241, 231, 0.16);
}

.page-home .svc__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--gold);
  padding-top: 0.3rem;
  letter-spacing: 0.05em;
}

.page-home .svc__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-home .svc__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(246, 241, 231, 0.78);
}

.page-home .svc__panel {
  padding: 1.5rem 1.35rem;
  border: var(--home-line);
  box-shadow: var(--shadow-hard);
  background: var(--indigo-900);
}

.page-home .svc__panel-title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .svc__sla {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: rgba(246, 241, 231, 0.82);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem;
}

.page-home .svc__sla strong {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold-soft);
  letter-spacing: -0.01em;
}

.page-home .svc__sla-note {
  margin: 1rem 0 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--indigo-700);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--home-mist-dark);
}

/* ---------- 五色标签 ---------- */
.page-home .flags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-home .flag {
  display: grid;
  grid-template-columns: 0.55rem minmax(0, 1fr);
  gap: 0.95rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--home-paper-line);
  transition: background 180ms var(--ease);
}

.page-home .flag__bar {
  display: block;
  width: 0.55rem;
  align-self: stretch;
  min-height: 2.6rem;
  transform: skewX(-9deg);
  background: var(--flag-blue);
}

.page-home .flag--red .flag__bar { background: var(--flag-red); }
.page-home .flag--green .flag__bar { background: var(--flag-green); }
.page-home .flag--yellow .flag__bar { background: var(--flag-yellow); }
.page-home .flag--gold .flag__bar { background: var(--gold); }

.page-home .flag__name {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
}

.page-home .flag__desc {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.7;
  color: rgba(7, 11, 20, 0.66);
  transition: color 180ms var(--ease);
}

.page-home .flags:hover .flag:not(:hover) .flag__desc {
  color: rgba(7, 11, 20, 0.34);
}

.page-home .flags:hover .flag:not(:hover) .flag__name {
  color: rgba(7, 11, 20, 0.45);
}

.page-home .flag:hover .flag__name,
.page-home .flag:hover .flag__desc {
  color: var(--ink);
}

/* ---------- 更新与联系 ---------- */
.page-home .ch--last {
  padding-bottom: 0;
}

.page-home .strip {
  display: grid;
  gap: 0;
  margin: 0 0 0.5rem;
  border-top: var(--home-line);
  border-color: var(--indigo-700);
}

.page-home .strip__item {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--indigo-700);
}

.page-home .strip__k {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .strip__v {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(246, 241, 231, 0.82);
}

.page-home .reach {
  display: grid;
  gap: 1.35rem;
  margin-top: 2.25rem;
  padding: 1.5rem 1.35rem;
  border: var(--home-line);
  box-shadow: var(--shadow-hard);
  background: var(--indigo-800);
}

.page-home .reach__k {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .reach__mail {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  word-break: break-all;
  color: var(--paper);
}

.page-home .reach__hours {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--home-mist-dark);
}

.page-home .reach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-home .closing {
  position: relative;
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
  border-top: var(--home-line);
  overflow: hidden;
}

.page-home .closing img {
  width: 100%;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.78);
}

.page-home .closing__cap {
  position: absolute;
  left: var(--home-pad);
  bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
}

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

  .page-home .strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .strip__item:nth-child(odd) {
    padding-right: 1.25rem;
  }

  .page-home .strip__item:nth-child(even) {
    padding-left: 1.25rem;
    border-left: 1px solid var(--indigo-700);
  }
}

@media (min-width: 860px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    align-items: start;
  }

  .page-home .hero__shot {
    margin-top: 2.5rem;
  }

  .page-home .ch__grid {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    column-gap: clamp(2rem, 5vw, 4rem);
    row-gap: 1.75rem;
  }

  .page-home .ch__rail {
    position: sticky;
    top: calc(var(--bar-h) + 2rem);
    display: block;
    align-self: start;
  }

  .page-home .ch__num {
    display: block;
    font-size: clamp(3rem, 4.2vw, 4rem);
    margin-bottom: 0.7rem;
  }

  .page-home .ch__label {
    display: block;
    padding-bottom: 0;
    writing-mode: horizontal-tb;
  }

  .page-home .ch__body {
    grid-column: 2;
  }

  .page-home .ch__shot {
    grid-column: 2;
  }

  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.5rem, 3vw, 2.25rem);
  }

  .page-home .svc {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-home .reach {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.75rem 1.75rem;
  }

  .page-home .reach__actions {
    justify-content: flex-end;
  }

  .page-home .strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .strip__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.45rem;
    border-bottom: none;
    border-left: 1px solid var(--indigo-700);
    padding-left: 1rem;
  }

  .page-home .strip__item:first-child {
    padding-left: 0;
    border-left: none;
  }
}

@media (min-width: 1080px) {
  .page-home .hero__shot-cap,
  .page-home .ch__shot-cap {
    font-size: 0.74rem;
  }

  .page-home .ch__body {
    max-width: 62rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .checklist__label::before,
  .page-home .checklist__label::after,
  .page-home .ch__cta,
  .page-home .flag,
  .page-home .flag__desc,
  .page-home .flag__name {
    transition: none;
  }
}

.page-home {
  --misq: currentColor;
}