.page-home {
  background-color: var(--ink-900);
  color: var(--fg);
  font-family: var(--font-body);
}

.page-home img {
  max-width: 100%;
}

/* ---------- 顶部位置信息 ---------- */
.page-home .page-crumb {
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
  padding: 13px 0 11px;
}

.page-home .page-crumb__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 24px;
}

.page-home .crumb-meta {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fg-dim);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding: clamp(34px, 6vw, 72px) 0 clamp(30px, 5vw, 60px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(34, 53, 74, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 53, 74, .5) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, 0) 82%);
          mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, 0) 82%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
}

.page-home .hero__eyebrow {
  margin: 0 0 clamp(14px, 2.4vw, 26px);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--fg-dim);
}

.page-home .hero__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
}

.page-home .hero__version {
  margin: 0 0 clamp(10px, 1.6vw, 18px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(62px, 15vw, 176px);
  line-height: .82;
  letter-spacing: -.05em;
  font-variant-numeric: tabular-nums;
  background-image: linear-gradient(180deg, var(--cyan-soft) 0%, rgba(53, 224, 208, .34) 62%, rgba(53, 224, 208, .07) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

.page-home .hero__title {
  margin: 0 0 clamp(12px, 1.8vw, 20px);
  max-width: 20em;
  font-size: clamp(23px, 3.1vw, 36px);
  line-height: 1.34;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--fg);
}

.page-home .hero__lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 46em;
  font-size: clamp(15.5px, 1.35vw, 17px);
  line-height: 1.78;
  color: #BCCBD8;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .stat {
  background: var(--ink-800);
  padding: 14px 15px 16px;
}

.page-home .stat__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--fg-dim);
}

.page-home .stat__val {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}

.page-home .stat__unit {
  margin-left: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fg-dim);
}

@media (min-width: 1000px) {
  .page-home .hero__body {
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, .78fr);
    align-items: end;
  }
}

/* ---------- 横向分类色带 ---------- */
.page-home .cat-band {
  background: var(--ink-800);
  border-bottom: 1px solid var(--line);
}

.page-home .cat-band__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.page-home .cat-band__item {
  position: relative;
  display: block;
  background: var(--ink-800);
  padding: 18px clamp(14px, 2.2vw, 24px) 20px;
  color: var(--fg);
  text-decoration: none;
  transition: background var(--t-fast) ease;
}

.page-home .cat-band__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--band, var(--sage));
  transition: height var(--t-base) ease;
}

.page-home .cat-band__item:hover,
.page-home .cat-band__item:focus-visible {
  background: var(--ink-700);
}

.page-home .cat-band__item:hover::before,
.page-home .cat-band__item:focus-visible::before {
  height: 6px;
}

.page-home .cat-band__item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .cat-band__idx {
  display: block;
  margin-bottom: 7px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--fg-dim);
}

.page-home .cat-band__name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .03em;
}

@media (min-width: 720px) {
  .page-home .cat-band__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-home .cat-band__inner {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ---------- 章节通用节奏 ---------- */
.page-home .updates,
.page-home .cats,
.page-home .settle,
.page-home .path {
  border-bottom: 1px solid var(--line);
  padding: clamp(38px, 5.6vw, 76px) 0;
}

.page-home .updates__body,
.page-home .cats__media,
.page-home .settle__grid,
.page-home .path-steps {
  margin-top: clamp(20px, 2.8vw, 34px);
}

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

.page-home .updates__media,
.page-home .cats__media,
.page-home .settle__media {
  margin: 0;
  overflow: hidden;
}

.page-home .updates__media { aspect-ratio: 3 / 2; }
.page-home .cats__media { aspect-ratio: 8 / 5; }
.page-home .settle__media { aspect-ratio: 8 / 5; }

/* ---------- 版本时间轴 ---------- */
.page-home .updates__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 46px);
}

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

.page-home .timeline-node {
  position: relative;
  padding: 0 0 clamp(22px, 2.8vw, 30px) 40px;
}

.page-home .timeline-node::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 5px;
  width: 9px;
  height: 9px;
  box-sizing: border-box;
  background: var(--ink-900);
  border: 2px solid var(--sage);
  transition: border-color var(--t-base) ease;
}

.page-home .timeline-node::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 22px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-home .timeline-node:last-child::after {
  display: none;
}

.page-home .timeline-node.is-current::before {
  border-color: var(--cyan);
}

.page-home .node__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 9px;
}

.page-home .node__ver {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-home .node__time {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--fg-dim);
}

.page-home .node__title {
  margin: 0 0 7px;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.5;
  font-weight: 600;
  color: var(--fg);
}

.page-home .node__text {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--fg-dim);
}

@media (min-width: 1040px) {
  .page-home .updates__body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .8fr);
    align-items: start;
  }
}

/* ---------- 分类索引网格 ---------- */
.page-home .cat-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .cat-card {
  display: flex;
  background: var(--ink-800);
}

.page-home .cat-card__link {
  position: relative;
  display: block;
  flex: 1;
  padding: clamp(20px, 2.6vw, 30px);
  color: inherit;
  text-decoration: none;
  transition: background var(--t-fast) ease;
}

.page-home .cat-card__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--band, var(--sage));
  transition: width var(--t-base) ease;
}

.page-home .cat-card__link:hover,
.page-home .cat-card__link:focus-visible {
  background: var(--ink-700);
}

.page-home .cat-card__link:hover::before,
.page-home .cat-card__link:focus-visible::before {
  width: 6px;
}

.page-home .cat-card__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .cat-card__idx {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--fg-dim);
}

.page-home .cat-card__name {
  margin: 0 0 8px;
  font-size: clamp(18px, 1.7vw, 21px);
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--fg);
}

.page-home .cat-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-home .cat-card__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-home .cat-card__facts dt {
  font-size: 12px;
  line-height: 1.45;
  color: var(--fg-dim);
}

.page-home .cat-card__facts dd {
  margin: 5px 0 0;
  font-size: 17px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}

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

@media (min-width: 1080px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 两条结算对照 ---------- */
.page-home .settle__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .settle-card {
  background: var(--ink-800);
  padding: clamp(22px, 3vw, 32px);
}

.page-home .settle-card__key {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--fg-dim);
}

.page-home .settle-card__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--fg);
}

.page-home .settle-card__figure {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.3vw, 30px);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-home .settle-card__lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: #BCCBD8;
}

.page-home .settle-card__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-home .settle-card__list li {
  position: relative;
  padding: 9px 0 9px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.66;
  color: var(--fg-dim);
}

.page-home .settle-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--amber);
}

.page-home .settle-card__link {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 195, 255, .4);
  transition: border-color var(--t-fast) ease, color var(--t-fast) ease;
}

.page-home .settle-card__link:hover,
.page-home .settle-card__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

@media (min-width: 1080px) {
  .page-home .settle__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .86fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

/* ---------- 三步下钻 ---------- */
.page-home .path-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .path-step {
  position: relative;
  background: var(--ink-800);
  padding: clamp(22px, 3vw, 34px);
}

.page-home .path-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: .06em;
}

.page-home .path-step__title {
  margin: 0 0 9px;
  font-size: clamp(17px, 1.6vw, 19px);
  font-weight: 600;
  color: var(--fg);
}

.page-home .path-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--fg-dim);
}

@media (min-width: 860px) {
  .page-home .path-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .path-step:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 14px;
    bottom: 14px;
    width: 8px;
    height: 8px;
    border-top: 1px solid var(--cyan);
    border-right: 1px solid var(--cyan);
    transform: rotate(45deg);
    opacity: .6;
  }
}

/* ---------- 服务与联系 ---------- */
.page-home .service {
  background: var(--ink-800);
  border-bottom: 1px solid var(--line);
  padding: clamp(36px, 5.2vw, 68px) 0;
}

.page-home .service__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 48px);
}

.page-home .service__title {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.4vw, 30px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--fg);
}

.page-home .service__text {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: #BCCBD8;
}

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

.page-home .service__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .service__key {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--sage);
}

.page-home .service__val {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--fg);
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-home .service__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .service__item {
    grid-template-columns: minmax(120px, .38fr) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* ---------- 海岸过渡带 ---------- */
.page-home .coast {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--ink-900);
}

.page-home .coast__img {
  display: block;
  width: 100%;
  height: clamp(140px, 22vw, 260px);
  object-fit: cover;
  opacity: .3;
  filter: saturate(.45);
}

.page-home .coast__caption {
  position: absolute;
  left: 50%;
  bottom: clamp(16px, 2.6vw, 28px);
  transform: translateX(-50%);
  width: min(100% - (var(--pad) * 2), var(--shell));
}

.page-home .coast__caption p {
  margin: 0;
  max-width: 52em;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fg-dim);
}

@media (min-width: 900px) {
  .page-home .coast__caption p {
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cat-band__item,
  .page-home .cat-band__item::before,
  .page-home .cat-card__link,
  .page-home .cat-card__link::before,
  .page-home .timeline-node::before,
  .page-home .settle-card__link {
    transition: none;
  }
}

.page-home {
  --band: transparent;
}