.page-home {
  --home-gap-y: clamp(56px, 8vw, 104px);
  --home-panel: var(--ink-800);
  --home-panel-deep: var(--ink-700);
  position: relative;
  isolation: isolate;
  padding: 22px 0 90px;
}

.page-home::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(30, 58, 95, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 95, 0.5) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0) 52%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0) 52%);
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-home .home-crumb [aria-current="page"] {
  color: var(--text);
}

.page-home .home-crumb .sep {
  color: var(--path-deep);
}

/* ---------- 首屏 ---------- */
.page-home .home-intro {
  position: relative;
  display: grid;
  gap: 34px;
  padding-top: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--line-600);
}

.page-home .home-intro::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--line-600) 0 1px, transparent 1px 44px);
  background-repeat: repeat-x;
  opacity: 0.85;
}

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

.page-home .home-kicker {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--path);
  background: rgba(14, 127, 115, 0.16);
  border: 1px solid var(--path-deep);
}

.page-home .display-1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 6.2vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.005em;
  color: var(--text);
  text-wrap: balance;
}

.page-home .home-intro .lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--text);
}

.page-home .intro-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: var(--muted);
}

.page-home .intro-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding-left: 12px;
  border-left: 1px solid var(--line-600);
}

.page-home .intro-facts .mono {
  color: var(--signal);
  font-size: 15px;
}

.page-home .home-intro__figure {
  position: relative;
  margin: 0;
  padding: 10px;
  background: linear-gradient(158deg, rgba(18, 41, 74, 0.92), rgba(10, 26, 47, 0.7));
  border: 1px solid var(--line-600);
}

.page-home .home-intro__figure::before,
.page-home .home-intro__figure::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--path);
  pointer-events: none;
}

.page-home .home-intro__figure::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-home .home-intro__figure::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

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

.page-home .media-frame {
  margin: 0;
}

.page-home .media-frame__cap {
  padding-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--muted);
}

@media (min-width: 940px) {
  .page-home .home-intro {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(34px, 4.5vw, 62px);
    align-items: start;
  }
}

/* ---------- 通用章节 ---------- */
.page-home .home-section {
  position: relative;
  margin-top: var(--home-gap-y);
}

.page-home .section-head {
  position: relative;
  padding-top: 20px;
  margin-bottom: 30px;
  border-top: 1px solid var(--line-600);
}

.page-home .section-head::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--path);
}

.page-home .section-head .sec-num {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--path);
}

.page-home .section-head h2 {
  margin: 0 0 12px;
  max-width: 26em;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.24;
  color: var(--text);
}

.page-home .section-head p {
  margin: 0;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .split__text .sec-num {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--path);
}

.page-home .split__text h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.24;
  color: var(--text);
}

.page-home .split__text > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 入口矩阵 ---------- */
.page-home .route-grid {
  display: grid;
  gap: 16px;
}

.page-home .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 22px 22px;
  background: var(--home-panel);
  border: 1px solid var(--line-600);
  color: var(--text);
  text-decoration: none;
  transition: border-color 240ms ease, background-color 240ms ease, box-shadow 240ms ease;
}

.page-home .route-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 3px;
  background: var(--path-deep);
  transition: background-color 240ms ease, width 240ms ease;
}

.page-home .route-card:hover,
.page-home .route-card:focus-visible {
  border-color: var(--path);
  background: var(--home-panel-deep);
  box-shadow: 0 20px 42px -30px rgba(25, 224, 192, 0.75);
}

.page-home .route-card:hover::before,
.page-home .route-card:focus-visible::before {
  background: var(--path);
  width: 100%;
}

.page-home .route-card__no {
  position: absolute;
  top: 24px;
  right: 20px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-home .route-card__tag {
  align-self: flex-start;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--path);
  background: rgba(14, 127, 115, 0.18);
  border: 1px solid var(--path-deep);
}

.page-home .route-card h3 {
  margin: 18px 0 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 21px;
  line-height: 1.3;
  color: var(--text);
}

.page-home .route-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .route-card__go {
  margin-top: auto;
  padding-top: 20px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--path);
}

@media (min-width: 880px) {
  .page-home .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    padding-bottom: 62px;
  }

  .page-home .route-grid > :nth-child(2) {
    transform: translateY(22px);
  }

  .page-home .route-grid > :nth-child(3) {
    transform: translateY(44px);
  }
}

.page-home .home-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-home .home-shortcut {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
  background: rgba(18, 41, 74, 0.72);
  border: 1px solid var(--line-600);
  transition: border-color 200ms ease, color 200ms ease, background-color 200ms ease;
}

.page-home .home-shortcut .mono {
  color: var(--path);
}

.page-home .home-shortcut:hover,
.page-home .home-shortcut:focus-visible {
  border-color: var(--path);
  color: var(--path);
  background: rgba(14, 127, 115, 0.2);
}

/* ---------- 直达清单 ---------- */
.page-home .direct-wrap {
  display: grid;
  gap: 26px;
}

.page-home .direct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .direct-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px;
  background: rgba(12, 33, 56, 0.55);
  border-top: 1px solid var(--line-600);
}

.page-home .direct-idx {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--path);
}

.page-home .direct-item h3 {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.page-home .direct-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .direct-side {
  padding: 22px 20px;
  background: var(--home-panel);
  border: 1px solid var(--line-600);
  border-top: 3px solid var(--signal);
}

.page-home .direct-side h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--text);
}

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

.page-home .direct-side__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line-600);
}

.page-home .direct-side__k {
  font-size: 13px;
  color: var(--muted);
}

.page-home .direct-side__v {
  font-size: 15px;
  color: var(--signal);
}

.page-home .direct-side__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
}

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

@media (min-width: 900px) {
  .page-home .direct-wrap {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
    gap: 34px;
    align-items: start;
  }
}

/* ---------- v2.4 变化 ---------- */
.page-home .v24-figure {
  border: 1px solid var(--line-600);
  background: var(--home-panel);
  padding: 12px;
}

.page-home .change-grid {
  display: grid;
  margin-top: 34px;
  border-top: 1px solid var(--line-600);
}

.page-home .change-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line-600);
}

.page-home .change-no {
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-home .change-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
}

.page-home .change-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

@media (min-width: 820px) {
  .page-home .change-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 42px;
  }

  .page-home .change-item:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

/* ---------- 左右分栏 ---------- */
.page-home .split {
  display: grid;
  gap: 28px;
}

.page-home .split__media {
  min-width: 0;
  border: 1px solid var(--line-600);
  background: var(--home-panel);
  padding: 10px;
}

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

.page-home .spec-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .spec-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-600);
}

.page-home .spec-key {
  flex: none;
  min-width: 8.5em;
  font-size: 13px;
  color: var(--path);
}

.page-home .spec-val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-home .split {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(30px, 4vw, 58px);
    align-items: center;
  }

  .page-home .split--flip {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

/* ---------- 使用场景 ---------- */
.page-home .scene-grid {
  display: grid;
  gap: 16px;
}

.page-home .scene {
  padding: 24px 20px;
  background: linear-gradient(155deg, rgba(18, 41, 74, 0.95), rgba(10, 26, 47, 0.82));
  border: 1px solid var(--line-600);
  border-left: 3px solid var(--path-deep);
  transition: border-left-color 220ms ease;
}

.page-home .scene:hover {
  border-left-color: var(--path);
}

.page-home .scene h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-home .scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .scope-bar {
  display: grid;
  gap: 20px;
  margin-top: 28px;
  padding: 24px 20px;
  background: rgba(12, 33, 56, 0.62);
  border: 1px solid var(--line-600);
}

.page-home .scope-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--path-deep);
}

.page-home .scope-num {
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1;
  color: var(--text);
}

.page-home .scope-label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

@media (min-width: 700px) {
  .page-home .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .scope-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    padding: 26px 24px;
  }
}

/* ---------- 出口与联系 ---------- */
.page-home .exit-contact {
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .exit-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line-600);
}

.page-home .exit-contact dt {
  flex: none;
  min-width: 6.5em;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .exit-contact dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  word-break: break-word;
}

.page-home .exit-contact dd .mono {
  color: var(--signal);
}

.page-home .exit-hint {
  margin: 0 0 22px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  background: rgba(242, 234, 217, 0.06);
  border-left: 2px solid var(--paper);
}

.page-home .split__text .btn {
  text-decoration: none;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 719px) {
  .page-home {
    --home-gap-y: 62px;
  }

  .page-home::before {
    background-size: 48px 48px;
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0) 40%);
    mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0) 40%);
  }

  .page-home .display-1 {
    font-size: clamp(30px, 8.4vw, 40px);
  }

  .page-home .intro-facts {
    flex-direction: column;
    gap: 9px;
  }

  .page-home .route-card {
    padding: 24px 18px 20px;
  }

  .page-home .spec-key {
    min-width: 0;
  }

  .page-home .exit-contact dd {
    font-size: 14px;
  }
}