.page-home {
  --home-card: rgba(255, 255, 255, 0.92);
  --home-rise: 10px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-indigo);
  border-bottom: 1px solid var(--line-dark);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-dark) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.5;
}

.page-home .hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  padding-block: clamp(2rem, 6vw, 4.25rem) clamp(1.75rem, 5vw, 3rem);
}

.page-home .hero__kicker {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-lake-light);
}

.page-home .hero h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 7vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--tx-dark-strong);
  max-width: 15ch;
}

.page-home .hero__lede {
  margin: 1.25rem 0 0;
  max-width: 44ch;
  color: var(--tx-dark);
  font-size: 1.0625rem;
}

.page-home .hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-home .hero .breadcrumb {
  color: var(--tx-muted-dark);
}

.page-home .hero__panel {
  border: 1px solid var(--line-dark-strong);
  background: rgba(21, 42, 90, 0.78);
}

.page-home .hero__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--line-dark-strong);
}

.page-home .meter {
  margin: 0;
  display: grid;
}

.page-home .meter__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.68rem 1rem;
  border-bottom: 1px solid var(--line-dark);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-home .meter__row:last-child {
  border-bottom: 0;
}

.page-home .meter__row:hover {
  background: rgba(14, 124, 134, 0.18);
  padding-left: 1.35rem;
}

.page-home .meter__row dt {
  font-size: 0.875rem;
  color: var(--tx-muted-dark);
}

.page-home .meter__row dd {
  margin: 0;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--tx-dark-strong);
}

/* ---------- 通用章节元素 ---------- */
.page-home .kicker {
  margin: 0 0 0.7rem;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-lake-light);
}

.page-home .zone--paper .kicker {
  color: var(--c-lake);
}

.page-home h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.4vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.005em;
  color: var(--tx-dark-strong);
}

.page-home .zone--paper h2 {
  color: var(--c-indigo);
}

.page-home .prose {
  margin: 0 0 1rem;
}

.page-home .zone--paper .prose {
  color: var(--tx-paper);
}

.page-home .zone--deep .prose,
.page-home .zone--panel .prose {
  color: var(--tx-dark);
}

/* ---------- 站内检索 ---------- */
.page-home .path__grid {
  row-gap: var(--gap);
}

.page-home .path__lede {
  max-width: 62ch;
}

.page-home .steps {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}

.page-home .steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.3rem 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-home .steps__num {
  grid-row: span 2;
  padding-top: 0.2rem;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--c-sunset);
}

.page-home .steps__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--tx-dark-strong);
}

.page-home .steps__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--tx-muted-dark);
}

.page-home .path__side {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.page-home .chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 1rem;
}

.page-home .path__hint {
  margin: 0;
  font-size: 0.875rem;
  color: var(--tx-muted-dark);
  line-height: 1.7;
}

/* ---------- 使用指南 ---------- */
.page-home .guide__grid {
  row-gap: var(--gap);
}

.page-home .guide__intro .btn {
  margin-top: 0.5rem;
}

.page-home .panels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-home .panels__item {
  padding: 0.9rem 1.05rem;
  background: var(--home-card);
  border-left: 2px solid var(--c-lake);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .panels__item:hover {
  border-left-color: var(--c-sunset);
  transform: translateX(3px);
}

.page-home .panels__idx {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-lake);
  margin-bottom: 0.3rem;
}

.page-home .panels__item h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-indigo);
}

.page-home .panels__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--tx-muted-paper);
}

/* ---------- 榜单与归档 ---------- */
.page-home .ranking__lede {
  max-width: 64ch;
}

.page-home .ranking__grid {
  display: grid;
  gap: var(--gap);
  margin-top: 1.75rem;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-home .timeline__node {
  position: relative;
  padding-left: 2.1rem;
  transition: color var(--dur) var(--ease);
}

.page-home .timeline__node::before {
  content: "";
  position: absolute;
  left: 0.42rem;
  top: 1.7rem;
  bottom: -1.25rem;
  width: 1px;
  background: var(--line-dark-strong);
}

.page-home .timeline__node:last-child::before {
  display: none;
}

.page-home .timeline__dot {
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 0.9rem;
  height: 0.9rem;
  border: 1px solid var(--c-lake-light);
  background: var(--c-panel);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .timeline__node:hover .timeline__dot {
  border-color: var(--c-sunset-soft);
}

.page-home .timeline__node--now .timeline__dot {
  background: var(--c-sunset);
  border-color: var(--c-sunset);
}

.page-home .timeline__when {
  margin: 0 0 0.3rem;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--c-lake-light);
}

.page-home .timeline__node h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--tx-dark-strong);
}

.page-home .timeline__node p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--tx-muted-dark);
}

.page-home .ranking__media {
  margin: 0;
  border: 1px solid var(--line-dark-strong);
}

.page-home .ranking__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .ranking__media .media__caption {
  padding: 0.7rem 0.9rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--tx-muted-dark);
  border-top: 1px solid var(--line-dark);
}

/* ---------- 运营概况条 ---------- */
.page-home .band {
  background: var(--c-indigo);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding-block: 0.25rem;
}

.page-home .band__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-dark);
  border-left: 1px solid var(--line-dark);
  border-right: 1px solid var(--line-dark);
}

.page-home .band__row > div {
  background: var(--c-indigo);
  padding: 1.05rem 1rem;
}

.page-home .band__row dt {
  margin-bottom: 0.35rem;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--tx-muted-dark);
}

.page-home .band__row dd {
  margin: 0;
  font-size: 1.05rem;
  color: var(--c-lake-light);
}

/* ---------- 维护记录 ---------- */
.page-home .log__grid {
  row-gap: var(--gap);
}

.page-home .log__media {
  margin: 1.5rem 0 0;
  border: 1px solid var(--line-paper);
}

.page-home .log__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .log__item {
  border: 1px solid var(--line-paper);
  background: var(--home-card);
  margin-bottom: 0.75rem;
}

.page-home .log__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-indigo);
}

.page-home .log__item summary::-webkit-details-marker {
  display: none;
}

.page-home .log__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--c-sunset);
}

.page-home .log__item[open] summary::after {
  content: "\2013";
}

.page-home .log__item summary:focus-visible {
  outline: 2px solid var(--c-sunset);
  outline-offset: -2px;
}

.page-home .log__list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 1.1rem 1rem;
  border-top: 1px solid var(--line-paper);
}

.page-home .log__list li {
  padding: 0.6rem 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--tx-muted-paper);
  border-bottom: 1px dashed var(--line-paper);
}

.page-home .log__list li:last-child {
  border-bottom: 0;
}

/* ---------- 下一步入口 ---------- */
.page-home .next__lede {
  max-width: 60ch;
}

.page-home .next__grid {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-home .next__link {
  display: block;
  height: 100%;
  padding: 1.35rem 1.2rem 1.5rem;
  background: var(--c-indigo);
  color: var(--tx-dark);
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-home .next__link:hover,
.page-home .next__link:focus-visible {
  background: var(--c-panel);
}

.page-home .next__link:focus-visible {
  outline: 2px solid var(--c-sunset);
  outline-offset: -2px;
}

.page-home .next__idx {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-lake-light);
}

.page-home .next__link h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--tx-dark-strong);
}

.page-home .next__link p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--tx-muted-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 940px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-home .ranking__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-home .next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .meter__row,
  .page-home .panels__item,
  .page-home .timeline__dot,
  .page-home .next__link {
    transition: none;
  }

  .page-home .panels__item:hover {
    transform: none;
  }
}