.page-home {
  --home-grid-line: rgba(0, 229, 199, 0.1);
  --home-weave: repeating-linear-gradient(0deg, rgba(11, 27, 51, 0.045) 0 1px, transparent 1px 5px);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-top: clamp(24px, 5vw, 56px);
}

.page-home .home-hero__grid {
  align-items: start;
  gap: clamp(28px, 5vw, 72px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-home .home-hero__lead .display {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  word-break: break-word;
}

.page-home .home-hero__lead .lede {
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-home .home-hero__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--signal);
  padding-left: 16px;
  border-left: 2px solid var(--signal);
}

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

/* ---------- 常用入口索引 ---------- */
.page-home .home-index {
  margin-top: clamp(48px, 9vw, 112px);
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 3vw, 30px);
}

.page-home .home-index__title {
  margin: 0 0 clamp(8px, 1.6vw, 16px);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-home .home-index__legend .legend__row {
  margin: 0;
}

.page-home .legend__link {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: clamp(12px, 2.4vw, 28px);
  align-items: baseline;
  padding: clamp(16px, 2.2vw, 22px) clamp(8px, 1.6vw, 18px);
  border-bottom: 1px solid var(--line-soft);
  border-left: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background var(--t) ease, border-color var(--t) ease;
}

.page-home .legend__link:hover,
.page-home .legend__link:focus-visible {
  background: rgba(0, 229, 199, 0.05);
  border-left-color: var(--signal);
}

.page-home .legend__coord {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color var(--t) ease;
}

.page-home .legend__coord::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid currentColor;
  background: transparent;
  transition: background var(--t) ease, border-color var(--t) ease;
}

.page-home .legend__link:hover .legend__coord,
.page-home .legend__link:focus-visible .legend__coord {
  color: var(--signal);
}

.page-home .legend__link:hover .legend__coord::before,
.page-home .legend__link:focus-visible .legend__coord::before {
  background: var(--signal);
  border-color: var(--signal);
}

.page-home .legend__text {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-home .legend__text strong {
  font-size: clamp(1.02rem, 1.4vw, 1.12rem);
  font-weight: 600;
  color: var(--hi);
  letter-spacing: 0.01em;
}

.page-home .legend__text span {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 动线 ---------- */
.page-home .home-route-section {
  margin-top: clamp(72px, 15vw, 168px);
}

.page-home .home-route-wrap {
  margin-top: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(19, 41, 75, 0.72), rgba(11, 27, 51, 0.24));
  padding: clamp(14px, 2.6vw, 30px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-route {
  display: block;
  width: 100%;
  min-width: 720px;
  height: auto;
}

.page-home .home-route__line--new {
  stroke: var(--signal);
  stroke-width: 1.5;
  fill: none;
}

.page-home .home-route__line--old {
  stroke: var(--muted);
  stroke-width: 1.5;
  stroke-dasharray: 6 7;
  fill: none;
  opacity: 0.6;
}

.page-home .home-route__node {
  fill: var(--ink);
  stroke: var(--signal);
  stroke-width: 1.5;
}

.page-home .home-route__node--old {
  stroke: var(--muted);
  opacity: 0.75;
}

.page-home .home-route__label {
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.08em;
  fill: var(--hi);
}

.page-home .home-route__label--muted {
  fill: var(--muted);
}

.page-home .home-route__step {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.06em;
  fill: var(--signal);
}

.page-home .home-route__step--muted {
  fill: var(--muted);
}

.page-home .home-route__g {
  outline: none;
}

.page-home .home-route__tip {
  font-family: var(--font-body);
  font-size: 16px;
  fill: var(--text);
  opacity: 0;
  transition: opacity var(--t) ease;
}

.page-home .home-route__g:hover .home-route__tip,
.page-home .home-route__g:focus .home-route__tip,
.page-home .home-route__g:focus-within .home-route__tip {
  opacity: 1;
}

.page-home .home-route__g:focus .home-route__node,
.page-home .home-route__g:focus-within .home-route__node {
  stroke-width: 3;
  fill: var(--signal);
}

.page-home .home-route-figure {
  margin: clamp(24px, 4vw, 48px) 0 0;
}

/* ---------- 双通道对照 ---------- */
.page-home .home-compare-section {
  margin-top: clamp(72px, 15vw, 168px);
}

.page-home .home-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 28px);
  padding-bottom: clamp(14px, 2vw, 20px);
}

.page-home .home-filter .switch-field__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  cursor: pointer;
}

.page-home .home-duo {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
}

.page-home .home-duo__side {
  padding: clamp(22px, 3.4vw, 46px);
  min-width: 0;
}

.page-home .home-duo__old {
  background-color: var(--paper);
  background-image:
    var(--home-weave),
    repeating-linear-gradient(90deg, rgba(11, 27, 51, 0.04) 0 1px, transparent 1px 22px);
  border-left: 3px solid var(--ochre);
  color: #23364f;
}

.page-home .home-duo__old .h3 {
  color: var(--ink);
  margin: 12px 0 12px;
}

.page-home .home-duo__old p {
  color: #35485f;
  line-height: 1.8;
  margin: 0 0 18px;
}

.page-home .home-duo__old .arch-tag {
  color: var(--ochre-deep);
}

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

.page-home .home-duo__spec {
  margin: 0;
  border-top: 1px solid rgba(11, 27, 51, 0.16);
}

.page-home .home-duo__spec > div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(11, 27, 51, 0.12);
}

.page-home .home-duo__spec dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ochre-deep);
}

.page-home .home-duo__spec dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .home-duo__new {
  background-color: var(--ink-2);
  background-image:
    linear-gradient(var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid var(--line-signal);
  box-shadow: var(--shadow);
}

.page-home .home-duo__new .h3 {
  margin: 14px 0 12px;
  color: var(--hi);
}

.page-home .home-duo__new > p {
  margin: 0 0 22px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-home .home-duo__list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--text);
}

.page-home .home-duo__listkey {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-home .home-filter .switch-field__input:checked ~ .home-duo {
  grid-template-columns: minmax(0, 1fr);
}

.page-home .home-filter .switch-field__input:checked ~ .home-duo .home-duo__old {
  display: none;
}

/* ---------- 三项能力 ---------- */
.page-home .home-abilities-section {
  margin-top: clamp(72px, 15vw, 168px);
}

.page-home .home-abilities {
  list-style: none;
  margin: clamp(24px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  counter-reset: none;
}

.page-home .home-ability {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: clamp(14px, 3vw, 40px);
  padding: clamp(22px, 3.4vw, 38px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-ability__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--signal);
  padding-top: 6px;
}

.page-home .home-ability__body {
  min-width: 0;
  max-width: 62ch;
}

.page-home .home-ability__body .h3 {
  margin: 0 0 10px;
  color: var(--hi);
}

.page-home .home-ability__body p {
  margin: 0 0 12px;
  line-height: 1.85;
  color: var(--text);
}

.page-home .home-ability__scene {
  font-size: 0.92rem;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--line-signal);
}

.page-home .home-abilities__more {
  margin: clamp(22px, 3vw, 34px) 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- 动态 ---------- */
.page-home .home-log {
  margin-top: clamp(72px, 15vw, 168px);
}

.page-home .home-log__list {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-home .home-log__item {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: clamp(14px, 3vw, 40px);
  padding: clamp(18px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-home .home-log__time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ochre);
  padding-top: 4px;
}

.page-home .home-log__title {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 600;
  color: var(--hi);
}

.page-home .home-log__item p {
  margin: 0;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-log__more {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ---------- 联系 ---------- */
.page-home .home-contact {
  margin-top: clamp(72px, 15vw, 168px);
}

.page-home .home-contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(24px, 5vw, 64px);
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 3.6vw, 44px);
}

.page-home .home-contact__lead .h2 {
  margin: 0 0 14px;
}

.page-home .home-contact__lead p {
  margin: 0;
  max-width: 40ch;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .home-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  align-self: start;
}

.page-home .home-contact__list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-top: 3px;
}

.page-home .home-contact__val {
  font-size: 1rem;
  color: var(--hi);
  word-break: break-word;
}

.page-home .home-contact__more {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ---------- 地域通栏 ---------- */
.page-home .home-region {
  margin-top: clamp(64px, 12vw, 132px);
}

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

.page-home .home-region__media {
  aspect-ratio: 1600 / 480;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(90deg, var(--ink-2), var(--ink));
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .home-hero__figure {
    order: -1;
  }

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

  .page-home .home-duo__old {
    border-left-width: 3px;
    border-bottom: 1px solid rgba(11, 27, 51, 0.16);
  }

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

@media (max-width: 640px) {
  .page-home .legend__link {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
    padding-left: 0;
  }

  .page-home .home-ability {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .page-home .home-log__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

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

  .page-home .home-duo__spec > div,
  .page-home .home-duo__list li,
  .page-home .home-contact__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-home .home-region__media {
    aspect-ratio: 16 / 9;
  }
}