.page-home {
  --hm-line: 3px solid var(--umi-ink);
  background: var(--umi-cream);
  color: var(--umi-ink);
}

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

/* ---------- 首屏 ---------- */
.page-home .hm-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 60px) 0 clamp(30px, 5vw, 66px);
  background: linear-gradient(178deg, var(--umi-sand) 0%, var(--umi-sand) 46%, var(--umi-cream) 100%);
  border-bottom: var(--hm-line);
}

.page-home .hm-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(104deg, rgba(11, 75, 255, 0.09) 0 2px, transparent 2px 26px);
  pointer-events: none;
}

.page-home .hm-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  align-items: end;
}

.page-home .hm-hero__ver {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0 0;
}

.page-home .hm-hero__vnum {
  font-family: var(--font-mono);
  font-size: clamp(76px, 19vw, 172px);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: var(--umi-blue);
  text-shadow: 5px 5px 0 var(--umi-ink);
}

.page-home .hm-hero__vtag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 5px 8px;
  background: var(--umi-orange);
  color: var(--umi-ink);
  border: 2px solid var(--umi-ink);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.page-home .hm-hero__title {
  margin: 16px 0 0;
  max-width: 20ch;
}

.page-home .hm-hero__lead {
  margin: 14px 0 0;
  max-width: 34ch;
}

.page-home .hm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-home .hm-entry {
  letter-spacing: 0.02em;
}

.page-home .hm-hero__readout {
  display: flex;
  flex-wrap: wrap;
  margin: clamp(22px, 3vw, 34px) 0 0;
  border: var(--hm-line);
  background: var(--umi-cream);
  box-shadow: var(--shadow-sm);
}

.page-home .hm-hero__readout > div {
  flex: 1 1 108px;
  padding: 10px 14px;
  border-right: 2px dashed var(--umi-steel);
}

.page-home .hm-hero__readout > div:last-child {
  border-right: 0;
}

.page-home .hm-hero__readout dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #4c4c4c;
}

.page-home .hm-hero__readout dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}

.page-home .hm-hero__figure {
  position: relative;
}

.page-home .hm-hero__media {
  border: var(--hm-line);
  box-shadow: var(--shadow);
  background: var(--umi-panel);
}

.page-home .hm-hero__media img {
  width: 100%;
}

.page-home .hm-hero__figcap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #3d3d3d;
}

/* ---------- 3.2 改版读数条 ---------- */
.page-home .hm-rail {
  background: var(--umi-ink);
  color: var(--umi-cream);
  padding: clamp(24px, 4vw, 44px) 0;
}

.page-home .hm-rail__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 2px solid rgba(247, 241, 230, 0.28);
}

.page-home .hm-rail__title {
  margin: 0;
  color: var(--umi-cream);
}

.page-home .hm-rail__more {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--umi-orange);
  text-decoration: none;
  border-bottom: 2px solid var(--umi-orange);
}

.page-home .hm-rail__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .hm-rail__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-home .hm-rail__key {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--umi-blue);
  background: var(--umi-cream);
  border: 2px solid var(--umi-cream);
  text-align: center;
  padding: 2px 0;
}

.page-home .hm-rail__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 241, 230, 0.9);
}

/* ---------- 内容地图 ---------- */
.page-home .hm-map {
  padding: clamp(32px, 5vw, 72px) 0;
}

.page-home .hm-map__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-home .hm-map__head h2 {
  margin: 0;
}

.page-home .hm-map__intro {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.page-home .hm-map {
  position: relative;
}

.page-home .hm-map__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-home .hm-map__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-home .hm-map__filters label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 7px 14px;
  border: 2px solid var(--umi-ink);
  background: var(--umi-cream);
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.page-home .hm-map__filters label:hover {
  background: var(--umi-sand);
}

.page-home #hm-filter-all:checked ~ .hm-map__filters label[for="hm-filter-all"],
.page-home #hm-filter-svc:checked ~ .hm-map__filters label[for="hm-filter-svc"],
.page-home #hm-filter-upd:checked ~ .hm-map__filters label[for="hm-filter-upd"],
.page-home #hm-filter-dl:checked ~ .hm-map__filters label[for="hm-filter-dl"],
.page-home #hm-filter-help:checked ~ .hm-map__filters label[for="hm-filter-help"] {
  background: var(--umi-ink);
  color: var(--umi-cream);
  box-shadow: 3px 3px 0 var(--umi-orange);
}

.page-home #hm-filter-svc:checked ~ .hm-map__grid > .hm-map__cell:not(.hm-map__cell--svc),
.page-home #hm-filter-upd:checked ~ .hm-map__grid > .hm-map__cell:not(.hm-map__cell--upd),
.page-home #hm-filter-dl:checked ~ .hm-map__grid > .hm-map__cell:not(.hm-map__cell--dl),
.page-home #hm-filter-help:checked ~ .hm-map__grid > .hm-map__cell:not(.hm-map__cell--help) {
  display: none;
}

.page-home .hm-map__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
}

.page-home .hm-map__cell {
  padding: 16px 4px 18px;
  border-top: 3px solid var(--umi-ink);
  background: transparent;
  transition: background 160ms var(--ease);
}

.page-home .hm-map__cell:hover {
  background: rgba(231, 213, 184, 0.55);
}

.page-home .hm-map__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--umi-blue);
}

.page-home .hm-map__cell--upd .hm-map__idx {
  color: var(--umi-orange);
}

.page-home .hm-map__cell--dl .hm-map__idx {
  color: var(--umi-green);
}

.page-home .hm-map__cell--help .hm-map__idx {
  color: var(--umi-indigo);
}

.page-home .hm-map__title {
  margin: 8px 0 0;
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 800;
  line-height: 1.3;
}

.page-home .hm-map__title a {
  color: var(--umi-ink);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: border-color 140ms var(--ease), color 140ms var(--ease);
}

.page-home .hm-map__title a:hover,
.page-home .hm-map__title a:focus-visible {
  color: var(--umi-blue);
  border-bottom-color: var(--umi-blue);
}

.page-home .hm-map__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #2f2f2f;
}

.page-home .hm-map__meta {
  margin: 12px 0 0;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border: 2px solid var(--umi-steel);
  color: #2b2b2b;
}

/* ---------- 双栏 / 时间轴 ---------- */
.page-home .hm-duo {
  background: var(--umi-sand);
  border-top: var(--hm-line);
  border-bottom: var(--hm-line);
  padding: clamp(32px, 5vw, 72px) 0;
}

.page-home .hm-duo__head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-home .hm-duo__head h2 {
  margin: 0;
}

.page-home .hm-duo__intro {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.page-home .hm-duo__grid {
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-home .hm-duo__col {
  position: relative;
  padding-left: 28px;
}

.page-home .hm-duo__col::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--umi-ink);
  opacity: 0.22;
}

.page-home .hm-duo__col::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 15px;
  height: 15px;
  background: var(--umi-orange);
  border: 3px solid var(--umi-ink);
}

.page-home .hm-duo__col--files::after {
  background: var(--umi-blue);
}

.page-home .hm-duo__media {
  border: var(--hm-line);
  background: var(--umi-cream);
}

.page-home .hm-duo__media img {
  width: 100%;
}

.page-home .hm-duo__body h3 {
  margin: 14px 0 0;
}

.page-home .hm-duo__body p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #2f2f2f;
}

.page-home .hm-duo__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--umi-ink);
  text-decoration: none;
  border-bottom: 3px solid var(--umi-blue);
  padding-bottom: 2px;
}

.page-home .hm-duo__link:hover {
  color: var(--umi-blue);
}

.page-home .hm-files {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-home .hm-files li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--umi-cream);
  border-left: 6px solid var(--umi-indigo);
  font-size: 14px;
  font-weight: 500;
}

.page-home .hm-files__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--umi-indigo);
}

/* ---------- 更新栏目 ---------- */
.page-home .hm-log {
  background: var(--umi-green);
  color: var(--umi-cream);
  padding: clamp(32px, 5vw, 72px) 0;
}

.page-home .hm-log__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  color: var(--umi-cream);
}

.page-home .hm-log__paths {
  display: grid;
  gap: 14px;
}

.page-home .hm-log__path {
  display: block;
  padding: 18px 18px 20px;
  border: 3px solid rgba(247, 241, 230, 0.4);
  background: rgba(247, 241, 230, 0.06);
  color: var(--umi-cream);
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .hm-log__path:hover,
.page-home .hm-log__path:focus-visible {
  background: var(--umi-cream);
  color: var(--umi-ink);
  border-color: var(--umi-cream);
}

.page-home .hm-log__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--umi-orange);
}

.page-home .hm-log__path:hover .hm-log__no {
  color: var(--umi-blue);
}

.page-home .hm-log__name {
  display: block;
  margin-top: 8px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.25;
}

.page-home .hm-log__desc {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.8;
}

.page-home .hm-log__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.78);
}

/* ---------- 规模 ---------- */
.page-home .hm-scale {
  background: var(--umi-panel);
  padding: clamp(32px, 5vw, 72px) 0;
}

.page-home .hm-scale__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-home .hm-scale__head h2 {
  margin: 0;
}

.page-home .hm-scale__intro {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: #2b2b2b;
}

.page-home .hm-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--umi-ink);
  border: 3px solid var(--umi-ink);
  box-shadow: var(--shadow);
}

.page-home .hm-stats li {
  background: var(--umi-cream);
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .hm-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 6vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--umi-blue);
  letter-spacing: -0.03em;
}

.page-home .hm-stats li:nth-child(even) .hm-stat__num {
  color: var(--umi-green);
}

.page-home .hm-stat__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #333;
}

.page-home .hm-scale__foot {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #2b2b2b;
}

.page-home .hm-scale__link {
  color: var(--umi-ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 3px solid var(--umi-orange);
}

.page-home .hm-scale__link:hover {
  color: var(--umi-blue);
  border-bottom-color: var(--umi-blue);
}

/* ---------- 联系 ---------- */
.page-home .hm-contact {
  background: var(--umi-cream);
  padding: clamp(32px, 5vw, 72px) 0 0;
}

.page-home .hm-contact__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-home .hm-contact__grid {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-home .hm-contact__card {
  border: var(--hm-line);
  box-shadow: var(--shadow);
  background: var(--umi-panel);
  padding: 20px;
}

.page-home .hm-contact__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #3a3a3a;
}

.page-home .hm-contact__label:not(:first-child) {
  margin-top: 18px;
}

.page-home .hm-contact__copy {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  border: 2px solid var(--umi-ink);
  background: var(--umi-cream);
  color: var(--umi-ink);
  padding: 8px 12px;
  cursor: pointer;
  display: inline-block;
  box-shadow: var(--shadow-sm);
  text-align: left;
  word-break: break-all;
}

.page-home .hm-contact__copy:hover {
  background: var(--umi-orange);
}

.page-home .hm-contact__addr {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: #2b2b2b;
}

.page-home .hm-contact__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 2px dashed rgba(20, 20, 20, 0.25);
  font-size: 13px;
  line-height: 1.75;
  color: #3a3a3a;
}

.page-home .hm-contact__side h3 {
  margin: 0;
}

.page-home .hm-contact__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .hm-contact__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
}

.page-home .hm-contact__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 11px;
  height: 11px;
  background: var(--umi-orange);
  border: 2px solid var(--umi-ink);
}

.page-home .hm-contact__side p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #2f2f2f;
}

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

.page-home .hm-contact__side a:hover {
  color: var(--umi-blue);
}

.page-home .hm-contact__skyline {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border-top: var(--hm-line);
  border-bottom: var(--hm-line);
  background: var(--umi-sand);
}

.page-home .hm-contact__skyline img {
  width: 100%;
}

.page-home .hm-contact__legal {
  margin: 0;
  padding: 16px 0 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #3a3a3a;
}

.page-home .hm-contact__legal a {
  color: var(--umi-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--umi-wine);
}

.page-home .hm-contact__legal a:hover {
  color: var(--umi-wine);
}

/* ---------- 断点 ---------- */
@media (min-width: 520px) {
  .page-home .hm-files {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .hm-rail__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .hm-rail__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    border-left: 3px solid rgba(247, 241, 230, 0.28);
    padding-left: 14px;
  }

  .page-home .hm-rail__key {
    width: 40px;
  }

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

  .page-home .hm-log__paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .hm-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .hm-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-home .hm-duo__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-home .hm-duo__col {
    padding: 20px;
    background: var(--umi-cream);
    border: var(--hm-line);
    box-shadow: var(--shadow);
  }

  .page-home .hm-duo__col::before,
  .page-home .hm-duo__col::after {
    display: none;
  }

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

@media (min-width: 1040px) {
  .page-home .hm-map__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hm-map__filters label,
  .page-home .hm-map__cell,
  .page-home .hm-map__title a,
  .page-home .hm-log__path {
    transition: none;
  }
}