.page-home {
  --home-panel: rgba(20, 37, 31, 0.55);
  --home-soft-line: rgba(110, 142, 127, 0.24);
  --home-glow: rgba(216, 180, 90, 0.16);
  --home-text-line: 1.82;
}

.page-home .home-block {
  padding-block: clamp(3rem, 7vw, 5.4rem);
}

.page-home .home-head {
  max-width: 46rem;
  margin-bottom: clamp(1.8rem, 4vw, 2.8rem);
}

.page-home .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3.8vw, 2.45rem);
  line-height: 1.26;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0;
  color: var(--mist);
}

.page-home .lede {
  font-size: clamp(0.98rem, 1.7vw, 1.08rem);
  line-height: var(--home-text-line);
  color: var(--text-soft);
  margin: 0.9rem 0 0;
  max-width: 42rem;
}

/* ---------- 门廊首屏 ---------- */

.page-home .home-portal {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(2.6rem, 8vw, 6.4rem) clamp(1.6rem, 4vw, 2.6rem);
  border-bottom: var(--hair-gold);
}

.page-home .home-portal__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .home-portal__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.82) contrast(1.05);
}

.page-home .home-portal__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(47, 107, 87, 0.5), transparent 62%),
    linear-gradient(180deg, rgba(7, 11, 10, 0.5) 0%, rgba(10, 15, 13, 0.94) 88%);
}

.page-home .home-portal::before {
  content: "";
  position: absolute;
  inset: -12% -18% auto;
  height: 128%;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(101deg, transparent 36%, rgba(216, 180, 90, 0.1) 46%, transparent 57%),
    linear-gradient(79deg, transparent 54%, rgba(63, 167, 196, 0.08) 63%, transparent 73%);
  animation: home-portal-drift 20s var(--ease) infinite alternate;
}

@keyframes home-portal-drift {
  from { transform: translate3d(-2%, 0, 0) scale(1.02); }
  to { transform: translate3d(2%, 1.5%, 0) scale(1.07); }
}

.page-home .home-portal__inner {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.page-home .home-portal__aside {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-home .home-portal__aside span {
  display: block;
}

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

.page-home .home-portal__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem 1.2rem;
}

.page-home .home-portal__plate {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.45rem 0.85rem;
}

.page-home .home-portal__plate .plate__value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-home .home-portal__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 7.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--mist);
  margin: 0.85rem 0 0;
}

.page-home .home-portal__title span {
  display: block;
}

.page-home .home-portal__title em {
  display: block;
  font-style: normal;
  font-size: 0.46em;
  letter-spacing: 0.24em;
  font-weight: 700;
  color: var(--gold);
  margin-top: 0.85em;
}

.page-home .home-portal__lede {
  margin: 1.2rem 0 0;
  max-width: 38rem;
  font-size: clamp(0.98rem, 1.9vw, 1.1rem);
  line-height: 1.88;
  color: var(--text);
}

.page-home .home-portal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.9rem;
}

/* ---------- 章节索引 ---------- */

.page-home .home-index {
  margin-top: clamp(2rem, 5vw, 3.4rem);
  padding-top: 1rem;
  border-top: var(--hair-gold);
}

.page-home .home-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.3rem 0;
  font-size: 0.86rem;
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--gold);
}

.page-home .home-index__link[aria-current="true"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-home .home-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--moss);
}

/* ---------- 本轮公告 ---------- */

.page-home .home-round__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-home .home-round__marker {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.9rem;
}

.page-home .home-round__dial {
  display: block;
  width: 100%;
  max-width: 8.5rem;
  height: auto;
  animation: home-dial-pulse 4.2s var(--ease) infinite;
}

@keyframes home-dial-pulse {
  0%, 100% { opacity: 0.88; }
  50% { opacity: 1; filter: drop-shadow(0 0 6px var(--home-glow)); }
}

.page-home .home-round__marker-text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.75;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-home .home-round__text {
  margin: 1rem 0 0;
  font-size: 0.96rem;
  line-height: var(--home-text-line);
  color: var(--text-soft);
}

.page-home .home-round__points {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  font-size: 0.94rem;
  color: var(--text-soft);
}

.page-home .home-round__points li {
  position: relative;
  padding-left: 1.15rem;
  line-height: 1.7;
}

.page-home .home-round__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.75;
}

.page-home .home-round .btn {
  margin-top: 1.6rem;
}

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

.page-home .home-round__figure img,
.page-home .home-tracks__figure img,
.page-home .home-devices__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 记录分轨 ---------- */

.page-home .home-tracks__rails {
  display: grid;
  gap: 1.4rem;
}

.page-home .home-tracks__rail {
  position: relative;
  padding: 1.35rem 1.15rem 1.35rem 1.5rem;
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(63, 167, 196, 0.09), transparent 72%);
}

.page-home .home-tracks__rail--b {
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(216, 180, 90, 0.1), transparent 72%);
}

.page-home .home-tracks__rail h3 {
  margin: 0.7rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--mist);
}

.page-home .home-tracks__rail p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-home .home-tracks__figure {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
}

.page-home .home-tracks__foot {
  margin: 1.2rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .home-tracks__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 180, 90, 0.45);
}

.page-home .home-tracks__foot a:hover,
.page-home .home-tracks__foot a:focus-visible {
  color: var(--mist);
}

/* ---------- 移动端适配 ---------- */

.page-home .home-devices__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-home .home-devices__visual {
  position: relative;
  min-width: 0;
}

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

.page-home .home-devices__plate {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.55rem 0.9rem;
  margin-top: 1rem;
}

.page-home .home-devices__plate .plate__value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

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

.page-home .home-devices__scroll {
  margin-top: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-devices__table {
  width: 100%;
  min-width: 27rem;
  border-collapse: collapse;
}

.page-home .home-devices__table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--moss);
  padding-bottom: 0.7rem;
}

.page-home .home-devices__table th,
.page-home .home-devices__table td {
  padding: 0.7rem 0.6rem;
  text-align: left;
  border-bottom: var(--line);
}

.page-home .home-devices__table thead th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--moss);
  text-transform: uppercase;
}

.page-home .home-devices__table tbody th {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--gold);
  white-space: nowrap;
}

.page-home .home-devices__table tbody td {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-home .home-devices__note {
  margin: 1.2rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 帮助存档时间线 ---------- */

.page-home .home-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-home .home-timeline::before {
  content: "";
  position: absolute;
  left: 0.32rem;
  top: 0.5rem;
  bottom: 1.4rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--amber) 55%, var(--gold));
  opacity: 0.45;
}

.page-home .home-timeline__item {
  position: relative;
  padding-left: 2.2rem;
  margin-bottom: 1.9rem;
}

.page-home .home-timeline__item:last-child {
  margin-bottom: 0;
}

.page-home .home-timeline__dot {
  position: absolute;
  left: 0;
  top: 0.42rem;
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: var(--cyan);
}

.page-home .home-timeline__dot--amber { background: var(--amber); }
.page-home .home-timeline__dot--gold { background: var(--gold); }

.page-home .home-timeline__when {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.page-home .home-timeline__item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--mist);
}

.page-home .home-timeline__item p {
  margin: 0 0 0.7rem;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--text-soft);
  max-width: 40rem;
}

.page-home .home-help__cta {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
}

/* ---------- 继续阅读 ---------- */

.page-home .home-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--hair-gold);
}

.page-home .home-next__item {
  border-bottom: var(--hair-gold);
}

.page-home .home-next__link {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem 0.4rem;
  text-decoration: none;
  color: var(--text);
  transition: background 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-home .home-next__link:hover,
.page-home .home-next__link:focus-visible {
  background: rgba(216, 180, 90, 0.06);
  padding-left: 1rem;
}

.page-home .home-next__index {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--gold);
  padding-top: 0.4rem;
}

.page-home .home-next__text {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-home .home-next__text strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--mist);
}

.page-home .home-next__text span {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 响应式 ---------- */

@media (min-width: 900px) {
  .page-home .home-portal__inner {
    display: grid;
    grid-template-columns: 4.5rem minmax(0, 1fr) 4.5rem;
    align-items: center;
    gap: 2rem;
  }

  .page-home .home-portal__frame {
    max-width: 44rem;
    justify-self: center;
    text-align: left;
    width: 100%;
  }

  .page-home .home-portal__aside {
    writing-mode: vertical-rl;
    justify-content: center;
    font-size: 0.66rem;
    letter-spacing: 0.24em;
  }

  .page-home .home-portal__aside--a { justify-self: start; }
  .page-home .home-portal__aside--b { justify-self: end; }

  .page-home .home-round__grid {
    grid-template-columns: 9.5rem minmax(0, 1fr) 15rem;
    align-items: start;
    gap: 2.4rem;
  }

  .page-home .home-round__marker {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-home .home-tracks__rails {
    grid-template-columns: 1fr 1fr;
    gap: 2.2rem;
  }

  .page-home .home-tracks__rail--b {
    margin-top: 3.4rem;
  }

  .page-home .home-devices__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 2.6rem;
  }

  .page-home .home-devices__plate {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    margin-top: 0;
  }

  .page-home .home-next__link {
    align-items: baseline;
    padding: 1.3rem 0.6rem;
  }
}

@media (min-width: 1100px) {
  .page-home .home-round__grid {
    grid-template-columns: 10.5rem minmax(0, 1fr) 17rem;
  }
}

@media (max-width: 520px) {
  .page-home .home-portal__title em {
    letter-spacing: 0.16em;
  }

  .page-home .home-index__list {
    gap: 0.3rem 1.1rem;
  }

  .page-home .home-devices__table {
    min-width: 24rem;
  }

  .page-home .home-next__link {
    gap: 0.7rem;
  }
}

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

  .page-home .home-round__dial {
    animation: none;
  }

  .page-home .home-next__link,
  .page-home .home-index__link {
    transition: none;
  }
}