.page-home {
  background: var(--c-base);
  color: var(--c-text);
  font-family: var(--font-body);
}

.page-home .page-home__crumbs {
  padding-block: 1.25rem .5rem;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: 1rem clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--c-line);
}

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

.page-home .home-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.6) contrast(1.15) brightness(.7);
}

.page-home .home-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(108deg, rgba(6, 16, 31, .94) 0%, rgba(6, 16, 31, .6) 52%, var(--c-base) 100%),
    repeating-linear-gradient(90deg, rgba(53, 240, 208, .05) 0 1px, transparent 1px 84px);
}

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

.page-home .home-hero__title {
  margin: .75rem 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 9vw, 5.2rem);
  line-height: .94;
  letter-spacing: -.03em;
  color: var(--c-text);
}

.page-home .home-hero__lede {
  max-width: 48ch;
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
  font-size: 1rem;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

/* 转会动态 */
.page-home .feed-head,
.page-home .tiles-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--c-line);
}

.page-home .feed-head__title,
.page-home .tiles-head__title {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .1em;
  color: var(--c-text);
}

.page-home .feed-list {
  list-style: none;
  margin: .25rem 0 0;
  padding: 0;
}

.page-home .feed-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .65rem 1rem;
  align-items: baseline;
  padding: .8rem .3rem;
  border-bottom: 1px solid rgba(39, 65, 95, .6);
  transition: background-color .18s var(--ease);
}

.page-home .feed-item:hover {
  background: rgba(53, 240, 208, .05);
}

.page-home .feed-item--lead {
  display: block;
  padding: .25rem 0 1rem;
  border-bottom: none;
}

.page-home .feed-item__thumb {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-bottom: .75rem;
  border: 1px solid var(--c-line);
  filter: saturate(.8) brightness(.88);
}

.page-home .feed-item__time {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .05em;
  color: var(--c-orange);
}

.page-home .feed-item__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.6;
  color: var(--c-text);
}

.page-home .feed-item--lead .feed-item__text {
  font-size: 1.0625rem;
  line-height: 1.55;
}

.page-home .feed-item__cat {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  color: var(--c-muted);
}

.page-home .feed-link {
  display: inline-block;
  margin-top: .9rem;
  font-size: .875rem;
}

/* 产品线卡片矩阵 */
.page-home .tile-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1rem;
}

.page-home .tile-grid__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  pointer-events: none;
  filter: saturate(.85);
}

.page-home .tile {
  position: relative;
  z-index: 1;
  display: block;
  padding: 1rem 1rem 1.15rem;
  background: rgba(13, 27, 46, .82);
  border: 1px solid var(--c-line);
  border-left: 2px solid rgba(53, 240, 208, .38);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), background-color .22s var(--ease);
}

.page-home .tile:hover,
.page-home .tile:focus-visible {
  transform: translateY(-4px);
  border-color: var(--c-cyan);
  background: rgba(20, 38, 61, .94);
  box-shadow: 0 14px 32px rgba(53, 240, 208, .13);
}

.page-home .tile__num {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-home .tile__title {
  margin: .35rem 0 .4rem;
  font-size: 1.0625rem;
  line-height: 1.3;
  color: var(--c-text);
}

.page-home .tile__desc {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 第二屏：贯穿数据条 ---------- */
.page-home .home-databar {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-home .databar {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
  background:
    linear-gradient(100deg, rgba(53, 240, 208, .09), rgba(53, 240, 208, 0) 46%),
    var(--c-panel);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cyan);
}

.page-home .databar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(53, 240, 208, .1), transparent);
  transform: translateX(-100%);
  animation: home-scan 9s linear infinite;
  pointer-events: none;
}

@keyframes home-scan {
  to { transform: translateX(100%); }
}

.page-home .databar__intro h2 {
  margin: .5rem 0 .8rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.25rem);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-home .databar__intro p {
  max-width: 50ch;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-home .databar__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 1rem;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-line);
}

.page-home .stat dt {
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-home .stat dd {
  margin: .3rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  line-height: 1;
  color: var(--c-text);
}

.page-home .stat-num {
  color: var(--c-cyan);
}

.page-home .stat dd small {
  margin-left: .3rem;
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--c-muted);
}

/* ---------- 内容中心栏目速览 ---------- */
.page-home .home-channels {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--c-line);
}

.page-home .channels-head h2 {
  margin: .5rem 0 .8rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-home .channels-head p {
  max-width: 54ch;
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

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

.page-home .channel-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .55rem;
  padding: 1rem .3rem;
  border-bottom: 1px solid rgba(39, 65, 95, .6);
  transition: background-color .18s var(--ease);
}

.page-home .channel-row:hover {
  background: rgba(61, 123, 255, .07);
}

.page-home .channel-row__cat {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: .14em;
  color: var(--c-amber);
}

.page-home .channel-row__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.75rem;
  margin: 0;
  padding: 0;
}

.page-home .channel-row__list a {
  font-size: .9375rem;
  color: var(--c-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-home .channel-row__list a:hover,
.page-home .channel-row__list a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 四步帮助文档时间轴 ---------- */
.page-home .home-help {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--c-line);
}

.page-home .home-help__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-home .home-help__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .11;
  filter: saturate(.55) brightness(.85);
}

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

.page-home .help-head h2 {
  margin: .5rem 0 .8rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-home .help-head p {
  max-width: 52ch;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-home .timeline {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .75rem;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0;
  padding: 0;
}

.page-home .timeline__step {
  background: rgba(13, 27, 46, .82);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cyan);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-home .timeline__step:hover {
  background: rgba(20, 38, 61, .92);
}

.page-home .timeline__step summary {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-home .timeline__step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--c-cyan);
  transition: transform .2s var(--ease);
}

.page-home .timeline__step[open] summary::after {
  transform: rotate(45deg);
}

.page-home .timeline__num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--c-orange);
}

.page-home .timeline__label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
}

.page-home .timeline__step p {
  margin: 0;
  padding: 0 1rem 1rem 1rem;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-home .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}

/* ---------- 团队与协作 ---------- */
.page-home .home-trust {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--c-line);
}

.page-home .trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .trust-copy h2 {
  margin: .5rem 0 .8rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.25rem);
  line-height: 1.14;
  letter-spacing: -.01em;
}

.page-home .trust-copy p {
  margin: 0 0 1rem;
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--c-muted);
}

.page-home .trust-copy .link {
  display: inline-block;
  margin-top: .25rem;
  font-size: .875rem;
}

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

.page-home .trust-facts li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: .85rem .3rem;
  border-bottom: 1px solid rgba(39, 65, 95, .6);
  font-size: .9375rem;
}

.page-home .fact-key {
  color: var(--c-text);
}

.page-home .fact-val {
  font-family: var(--font-mono);
  font-size: .875rem;
  letter-spacing: .04em;
  color: var(--c-cyan);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-home .channel-row {
    grid-template-columns: 9rem minmax(0, 1fr);
    align-items: baseline;
    padding: 1.1rem .3rem;
  }

  .page-home .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .timeline__step p {
    padding: 0 1rem 1.1rem;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: 4fr 7fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-home .home-hero__feed {
    position: relative;
  }

  .page-home .home-hero__feed::after {
    content: "";
    position: absolute;
    top: 0;
    right: calc(clamp(2rem, 4vw, 3.5rem) / -2);
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--c-cyan), rgba(53, 240, 208, 0) 72%);
    transform: skewX(-9deg);
  }

  .page-home .tile-grid {
    gap: 1rem;
  }

  .page-home .databar {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 3rem;
  }

  .page-home .databar__stats {
    padding-top: 0;
    padding-left: 2.5rem;
    border-top: none;
    border-left: 1px solid var(--c-line);
  }

  .page-home .trust-grid {
    grid-template-columns: 5fr 6fr;
    gap: 3.5rem;
  }
}

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

  .page-home .tile,
  .page-home .timeline__step,
  .page-home .feed-item {
    transition: none;
  }
}
