.page-home {
  --home-pad: clamp(54px, 8.5vw, 104px);
  --home-gap: clamp(16px, 3vw, 30px);
  --home-glass: rgba(16, 28, 51, 0.72);
  --home-neon-soft: rgba(0, 229, 255, 0.32);
  --home-gold-soft: rgba(255, 179, 71, 0.28);
  display: block;
  overflow-x: hidden;
}

.page-home .section {
  padding: var(--home-pad) 0;
  position: relative;
}

/* ---------- 页面上下文条 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 18px;
  padding-top: clamp(16px, 2.6vw, 26px);
}

/* ---------- 封面首屏 ---------- */
.page-home .home-cover {
  position: relative;
  padding: clamp(34px, 5vw, 64px) 0 clamp(58px, 9vw, 118px);
}

.page-home .home-cover__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 40%;
  opacity: 0.36;
  filter: saturate(1.15) contrast(1.05);
  pointer-events: none;
}

.page-home .home-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(90% 70% at 78% 12%, rgba(59, 30, 110, 0.42), transparent 62%),
    linear-gradient(180deg, rgba(5, 11, 26, 0.24) 0%, rgba(5, 11, 26, 0.82) 62%, var(--ink-void) 100%);
  pointer-events: none;
}

.page-home .home-cover__glow {
  position: absolute;
  left: -12vw;
  bottom: -18vw;
  z-index: 1;
  width: 62vw;
  height: 62vw;
  max-width: 760px;
  max-height: 760px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.16), transparent 66%);
  pointer-events: none;
  animation: home-pulse 4s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.92; transform: scale(1.05); }
}

.page-home .home-cover__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
  align-items: end;
}

.page-home .home-cover__eyebrow {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--neon);
  text-transform: uppercase;
}

.page-home .home-cover__title {
  margin: 16px 0 0;
  font-size: clamp(38px, 7.4vw, 92px);
  line-height: 1.06;
  letter-spacing: 0.02em;
  font-weight: 900;
  color: var(--white);
  text-shadow:
    0 0 2px rgba(0, 229, 255, 0.5),
    0 0 26px rgba(0, 229, 255, 0.2),
    0 0 68px rgba(10, 42, 107, 0.72);
}

.page-home .home-cover__lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 34em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-home .home-cover__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-home .home-cover__side {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-home .home-cover__side .note-vertical {
  display: none;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--mist);
  opacity: 0.82;
  margin: 0;
}

.page-home .home-cover__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  flex: 1;
}

.page-home .home-cover__index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-size: 15px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-home .home-cover__index .mono {
  font-size: 13px;
  color: var(--neon);
  letter-spacing: 0.08em;
}

.page-home .home-cover__index a:hover,
.page-home .home-cover__index a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--home-neon-soft);
  padding-left: 6px;
}

/* ---------- 十二分类 ---------- */
.page-home .home-cats {
  background: linear-gradient(180deg, var(--ink-void) 0%, rgba(10, 42, 107, 0.18) 46%, var(--ink-void) 100%);
}

.page-home .home-cats__banner {
  margin: clamp(24px, 3.6vw, 40px) 0 clamp(20px, 3vw, 30px);
  position: relative;
}

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

.page-home .home-cats__filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-home .home-cats__count {
  margin-left: auto;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  align-items: start;
  gap: 14px;
}

.page-home .cat-card {
  position: relative;
  padding: 22px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 0 1px 0 rgba(232, 244, 255, 0.03) inset;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease), background 180ms var(--ease);
}

.page-home .cat-card::before {
  content: "";
  position: absolute;
  inset: -1px -1px auto -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--home-neon-soft), transparent);
  opacity: 0;
  transition: opacity 180ms var(--ease);
}

.page-home .cat-card:hover,
.page-home .cat-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.42);
  background: var(--blue-step);
  box-shadow: 0 22px 44px -28px rgba(0, 229, 255, 0.55);
}

.page-home .cat-card:hover::before,
.page-home .cat-card:focus-within::before {
  opacity: 1;
}

.page-home .cat-card__no {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 12px;
  letter-spacing: 0;
  color: var(--neon);
  background:
    radial-gradient(circle, var(--card) 57%, transparent 58%),
    conic-gradient(from 0deg, var(--neon), var(--gold), var(--brand-blue), var(--neon));
  transition: transform 900ms linear;
}

.page-home .cat-card:hover .cat-card__no {
  transform: rotate(360deg);
}

.page-home .cat-card .card__title {
  margin: 14px 0 0;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--white);
}

.page-home .cat-card .card__body {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .cat-card .card__meta {
  margin: 14px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--neon);
  opacity: 0.85;
}

.page-home .cat-card .card__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* ---------- 功能坐标 ---------- */
.page-home .home-coords {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--ink-void) 0%, rgba(59, 30, 110, 0.28) 50%, var(--ink-void) 100%);
}

.page-home .home-coords::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(34, 53, 92, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 53, 92, 0.5) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.55;
  pointer-events: none;
}

.page-home .home-coords__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .home-coords__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(1.2);
}

.page-home .home-coords__inner {
  position: relative;
  z-index: 2;
}

.page-home .coord-map {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-home .coord-node {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--home-glass);
  backdrop-filter: blur(6px);
  overflow: hidden;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-home .coord-node.is-open,
.page-home .coord-node:hover {
  border-color: rgba(0, 229, 255, 0.42);
}

.page-home .coord-node__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-home .coord-node__trigger {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 18px 16px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 180ms var(--ease);
}

.page-home .coord-node__trigger:hover {
  background: rgba(18, 58, 138, 0.35);
}

.page-home .coord-node__code {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-home .coord-node__label {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-home .coord-node__pos {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .coord-node__panel {
  padding: 0 16px 18px;
  border-top: 1px solid var(--line);
  margin-top: -1px;
}

.page-home .coord-node__panel p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 五步路线 ---------- */
.page-home .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(24px, 3.6vw, 40px);
  align-items: start;
}

.page-home .route-figure {
  position: relative;
}

.page-home .route-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .timeline--h {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  position: relative;
}

.page-home .route-step {
  position: relative;
  padding-left: 34px;
}

.page-home .route-step__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.16), 0 0 18px rgba(0, 229, 255, 0.5);
}

.page-home .timeline__mark {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  opacity: 0.92;
}

.page-home .route-step__title {
  margin: 8px 0 0;
  font-size: 17px;
  color: var(--white);
}

.page-home .route-step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 维护节奏 ---------- */
.page-home .home-updates {
  background: linear-gradient(180deg, var(--ink-void) 0%, rgba(10, 42, 107, 0.26) 60%, var(--ink-void) 100%);
}

.page-home .update-panel {
  position: relative;
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  background:
    linear-gradient(160deg, rgba(16, 28, 51, 0.94) 0%, rgba(10, 42, 107, 0.6) 100%);
  overflow: hidden;
}

.page-home .update-panel::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -40%;
  width: 60%;
  height: 180%;
  background: radial-gradient(circle, rgba(255, 179, 71, 0.14), transparent 66%);
  pointer-events: none;
}

.page-home .update-panel__head {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-home .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
}

.page-home .update-list__item {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .update-list__key {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-home .update-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .update-panel__foot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-home .home-cover__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 0 clamp(20px, 2.4vw, 32px);
  }

  .page-home .home-cover__main {
    grid-column: 1 / span 8;
  }

  .page-home .home-cover__side {
    grid-column: 10 / span 3;
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
    padding-top: 6px;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 22px;
    min-height: 260px;
  }

  .page-home .home-cover__side .note-vertical {
    display: block;
  }

  .page-home .coord-map {
    grid-template-columns: repeat(5, 1fr);
    align-items: start;
    gap: 12px;
  }

  .page-home .coord-node__trigger {
    min-height: 132px;
    align-content: start;
  }

  .page-home .route-grid {
    grid-template-columns: 3.5fr 8.5fr;
    gap: clamp(28px, 3.6vw, 56px);
  }

  .page-home .timeline--h {
    grid-template-columns: repeat(5, 1fr);
    gap: 0 18px;
    padding-top: 30px;
  }

  .page-home .timeline--h::before {
    content: "";
    position: absolute;
    left: 6px;
    right: 6px;
    top: 5px;
    height: 1px;
    background: linear-gradient(90deg, var(--neon), var(--purple) 62%, rgba(59, 30, 110, 0.1));
  }

  .page-home .route-step {
    padding-left: 0;
  }

  .page-home .route-step__dot {
    top: -30px;
    left: 0;
    width: 11px;
    height: 11px;
  }

  .page-home .update-list__item {
    grid-template-columns: 150px 1fr;
    gap: 8px 28px;
    align-items: baseline;
    padding: 20px 0;
  }

  .page-home .update-list__key {
    padding-top: 3px;
  }
}

@media (min-width: 1180px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-home .cat-card:nth-child(3n + 2) {
    padding-bottom: 26px;
  }

  .page-home .cat-card:nth-child(4n + 3) {
    padding-top: 28px;
  }
}

@media (max-width: 480px) {
  .page-home .cat-grid {
    grid-template-columns: 1fr;
  }

  .page-home .home-cover__actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .page-home .home-cats__count {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-cover__glow {
    animation: none;
  }

  .page-home .cat-card:hover .cat-card__no {
    transform: none;
  }

  .page-home .cat-card:hover,
  .page-home .cat-card:focus-within {
    transform: none;
  }
}