.page-home {
  --home-ease: cubic-bezier(.22, .61, .36, 1);
  background-color: var(--c-ink);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.85;
  overflow-x: clip;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  letter-spacing: .02em;
  margin: 0;
}

.page-home p {
  margin: 0;
}

.page-home .hero-index__item b,
.page-home .pathway__num,
.page-home .app-card__num,
.page-home .support-stats__num,
.page-home .feed-item__when,
.page-home .diff-list__tag,
.page-home .home-feed__stamp {
  font-family: var(--font-mono);
}

/* ============ 首屏 ============ */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2rem, 5.5vw, 3.75rem) 0 clamp(2.75rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--c-line);
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.page-home .home-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
}

.page-home .home-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 22, 34, .5) 0%, rgba(11, 22, 34, .88) 70%, var(--c-ink) 100%);
}

.page-home .home-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(37, 216, 224, .08) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(37, 216, 224, .055) 0 1px, transparent 1px 92px);
  -webkit-mask-image: radial-gradient(circle at 76% 16%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 76% 16%, #000 0%, transparent 70%);
}

.page-home .home-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .85rem;
}

.page-home .hero-index__item {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .3rem .75rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--c-dim);
}

.page-home .hero-index__item b {
  color: var(--c-cyan);
  font-weight: 600;
}

.page-home .hero-main {
  max-width: 48rem;
}

.page-home .hero-kicker {
  display: inline-block;
  margin-bottom: 1.15rem;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--c-line);
  font-size: .8rem;
  letter-spacing: .18em;
  color: var(--c-cyan-soft);
}

.page-home .hero-title {
  font-size: clamp(2.15rem, 7vw, 4.1rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: .02em;
}

.page-home .hero-title__sub {
  display: block;
  margin-top: 1rem;
  font-size: clamp(.98rem, 2.4vw, 1.28rem);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: .01em;
  color: var(--c-dim);
}

.page-home .hero-lede {
  max-width: 42rem;
  margin-top: 1.5rem;
  font-size: clamp(.95rem, 2.1vw, 1.05rem);
  color: rgba(234, 242, 247, .78);
}

/* 三条路径 —— 不等高错位 */
.page-home .pathways {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 3.25rem);
}

.page-home .pathway {
  position: relative;
  display: block;
  padding: 1.5rem 1.4rem 1.35rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(18, 38, 58, .92), rgba(11, 22, 34, .68));
  text-decoration: none;
  color: var(--c-text);
  transition: transform .3s var(--home-ease), border-color .3s var(--home-ease), box-shadow .3s var(--home-ease);
}

.page-home .pathway:hover,
.page-home .pathway:focus-visible {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 1px rgba(37, 216, 224, .28), 0 16px 34px -26px rgba(37, 216, 224, .5);
}

.page-home .pathway:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 3px;
}

.page-home .pathway__num {
  display: block;
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--c-cyan);
}

.page-home .pathway__tag {
  display: inline-block;
  margin-top: .55rem;
  padding: .2rem .7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(37, 216, 224, .45);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--c-cyan-soft);
}

.page-home .pathway__tag--amber {
  border-color: rgba(242, 164, 92, .5);
  color: var(--c-amber);
}

.page-home .pathway__title {
  display: block;
  margin-top: .95rem;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-home .pathway__text {
  display: block;
  margin-top: .6rem;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(234, 242, 247, .7);
}

.page-home .pathway__go {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: .84rem;
  letter-spacing: .06em;
  color: var(--c-cyan);
  border-bottom: 1px solid rgba(37, 216, 224, .4);
  padding-bottom: 2px;
}

/* ============ 滚动公告带 ============ */
.page-home .home-feed {
  padding: clamp(2.75rem, 7vw, 5rem) 0;
}

.page-home .home-feed__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-home .home-feed__visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
}

.page-home .home-feed__visual img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.page-home .home-feed__stamp {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .35rem .85rem;
  border-radius: var(--radius-pill);
  background: rgba(11, 22, 34, .86);
  border: 1px solid rgba(242, 164, 92, .45);
  font-size: .72rem;
  letter-spacing: .12em;
  color: rgba(234, 242, 247, .82);
}

.page-home .home-feed__stamp span {
  color: var(--c-amber);
}

.page-home .feed-window {
  position: relative;
  height: 340px;
  margin-top: 1.75rem;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 9%, #000 91%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0, #000 9%, #000 91%, transparent 100%);
}

.page-home .feed-track {
  list-style: none;
  margin: 0;
  padding: 0;
  animation: homeFeedScroll 40s linear infinite;
}

.page-home .feed-window:hover .feed-track,
.page-home .feed-window:focus-within .feed-track {
  animation-play-state: paused;
}

.page-home .feed-item__link {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: .7rem;
  align-items: baseline;
  padding: .8rem .9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--c-text);
  transition: background .25s var(--home-ease), border-color .25s var(--home-ease), transform .25s var(--home-ease);
}

.page-home .feed-item__link:hover {
  background: rgba(18, 38, 58, .8);
  border-color: var(--c-line);
  transform: translateY(-2px);
}

.page-home .feed-item__link:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 2px;
}

.page-home .feed-item__when {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--c-amber);
}

.page-home .feed-item__what {
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(234, 242, 247, .82);
}

@keyframes homeFeedScroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(0, -50%, 0); }
}

.page-home .home-feed__stream > .btn {
  margin-top: 1.5rem;
}

/* ============ 版本对照 ============ */
.page-home .home-diff {
  padding: clamp(.5rem, 2vw, 1.5rem) 0 clamp(2.75rem, 7vw, 5rem);
}

.page-home .home-diff__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3.25rem);
  align-items: center;
}

.page-home .home-lead {
  margin-top: 1.25rem;
  max-width: 38rem;
  font-size: .98rem;
  color: rgba(234, 242, 247, .76);
}

.page-home .diff-list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-home .diff-list__item {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  padding: .9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-line);
  background: rgba(18, 38, 58, .5);
}

.page-home .diff-list__tag {
  display: inline-block;
  text-align: center;
  padding: .22rem .4rem;
  border-radius: var(--radius-pill);
  font-size: .72rem;
  letter-spacing: .1em;
}

.page-home .diff-list__tag--new {
  border: 1px solid rgba(37, 216, 224, .5);
  color: var(--c-cyan);
}

.page-home .diff-list__tag--old {
  border: 1px solid rgba(242, 164, 92, .5);
  color: var(--c-amber);
}

.page-home .diff-list__item p {
  font-size: .9rem;
  line-height: 1.72;
  color: rgba(234, 242, 247, .78);
}

.page-home .home-diff__copy > .btn {
  margin-top: 1.75rem;
}

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

.page-home .home-diff__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  object-fit: cover;
}

.page-home .home-diff__figure figcaption {
  margin-top: .8rem;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--c-dim);
}

/* ============ 索引路径 ============ */
.page-home .home-index {
  padding-bottom: clamp(2.75rem, 7vw, 5rem);
}

.page-home .home-index__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3.25rem);
  align-items: center;
}

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

.page-home .home-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-home .path-steps {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-home .path-steps__item {
  position: relative;
  padding-left: 2.5rem;
  font-size: .92rem;
  line-height: 1.75;
  color: rgba(234, 242, 247, .78);
}

.page-home .path-steps__item::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: .18rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: 1px solid rgba(37, 216, 224, .55);
  color: var(--c-cyan);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .7rem;
}

.page-home .path-steps__item::after {
  content: "";
  position: absolute;
  left: .78rem;
  top: 2rem;
  bottom: -.9rem;
  width: 1px;
  background: var(--c-line);
}

.page-home .path-steps__item:last-child::after {
  display: none;
}

.page-home .home-index__copy > .btn {
  margin-top: 1.75rem;
}

/* ============ 应用矩阵 ============ */
.page-home .home-apps {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2.75rem, 7vw, 5rem);
  border-top: 1px solid var(--c-line);
}

.page-home .app-band {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0 var(--gutter) 1.25rem;
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .app-band > .app-card {
  flex: 0 0 min(76vw, 290px);
  scroll-snap-align: start;
}

.page-home .app-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.35rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: rgba(18, 38, 58, .55);
  transition: transform .3s var(--home-ease), border-color .3s var(--home-ease);
}

.page-home .app-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
}

.page-home .app-card__num {
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--c-cyan);
}

.page-home .app-card__title {
  margin-top: .8rem;
  font-size: 1.14rem;
  font-weight: 700;
}

.page-home .app-card__text {
  margin-top: .65rem;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(234, 242, 247, .72);
}

.page-home .app-card__link {
  margin-top: 1.2rem;
  align-self: flex-start;
  font-size: .84rem;
  letter-spacing: .05em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 216, 224, .4);
  padding-bottom: 2px;
}

.page-home .app-card__link:hover,
.page-home .app-card__link:focus-visible {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-cyan-soft);
}

/* ============ 服务与支持 ============ */
.page-home .home-support {
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-home .home-support__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.75rem, 5vw, 3rem);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 120% at 88% 0%, rgba(37, 216, 224, .13), transparent 62%),
    radial-gradient(70% 100% at 0% 100%, rgba(242, 164, 92, .09), transparent 66%),
    rgba(18, 38, 58, .62);
}

.page-home .home-support__kicker {
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--c-cyan-soft);
}

.page-home .home-support__title {
  margin-top: .8rem;
  font-size: clamp(1.4rem, 4vw, 2.05rem);
  font-weight: 800;
  line-height: 1.3;
}

.page-home .home-support__text {
  margin-top: 1rem;
  max-width: 40rem;
  font-size: .95rem;
  color: rgba(234, 242, 247, .76);
}

.page-home .home-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.page-home .support-stats {
  margin: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-home .support-stats__row {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  padding: .85rem 0;
  border-bottom: 1px solid var(--c-line);
}

.page-home .support-stats__row:first-child {
  border-top: 1px solid var(--c-line);
}

.page-home .support-stats dt {
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--c-dim);
}

.page-home .support-stats dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(234, 242, 247, .82);
}

.page-home .support-stats__num {
  display: inline-block;
  margin-right: .3rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-cyan);
}

/* ============ 响应式 ============ */
@media (min-width: 768px) {
  .page-home .feed-window {
    height: 420px;
  }

  .page-home .home-feed__visual img {
    height: 300px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }

  .page-home .hero-index {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: .75rem;
    padding-left: 1rem;
    border-left: 1px solid var(--c-line);
  }

  .page-home .hero-index__item {
    padding: 0;
    border: 0;
    background: none;
  }

  .page-home .pathways {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-home .pathway:nth-child(1) {
    grid-column: 1 / span 6;
    grid-row: 1;
  }

  .page-home .pathway:nth-child(2) {
    grid-column: 8 / span 5;
    grid-row: 1 / span 2;
    align-self: start;
  }

  .page-home .pathway:nth-child(3) {
    grid-column: 2 / span 5;
    grid-row: 2;
  }

  .page-home .home-feed__inner {
    grid-template-columns: minmax(0, .42fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .home-feed__visual img {
    height: 540px;
  }

  .page-home .home-diff__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
  }

  .page-home .home-index__inner {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1fr);
  }

  .page-home .home-index__figure {
    order: 0;
  }

  .page-home .home-support__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
  }
}

@media (min-width: 1024px) {
  .page-home .app-band {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: var(--wrap-max);
    margin-inline: auto;
    overflow: visible;
    scroll-snap-type: none;
    padding-top: 2rem;
  }

  .page-home .app-band > .app-card {
    flex: none;
  }
}

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

  .page-home .feed-window {
    height: auto;
    max-height: none;
    overflow: visible;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .page-home .pathway,
  .page-home .app-card,
  .page-home .feed-item__link {
    transition: none;
  }
}