.page-home {
  --home-line: rgba(201, 216, 255, 0.22);
  --home-line-strong: rgba(201, 216, 255, 0.48);
  --home-veil: rgba(6, 12, 27, 0.62);
  display: block;
  background: var(--arc-void);
  color: var(--arc-ice);
}

.page-home .arc-shell {
  width: 100%;
  max-width: var(--arc-shell);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- 封面首屏 ---------- */

.page-home .home-cover {
  position: relative;
  overflow: hidden;
  padding: 30px 0 56px;
  background: var(--arc-void);
  isolation: isolate;
}

.page-home .home-cover::before {
  content: "";
  position: absolute;
  inset: -14% -24% auto -24%;
  height: 138%;
  background:
    radial-gradient(circle at 82% 18%, rgba(124, 77, 255, 0.42), transparent 58%),
    linear-gradient(148deg, var(--arc-indigo) 0%, var(--arc-abyss) 52%, var(--arc-void) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
  z-index: -1;
}

.page-home .home-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 216, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 216, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  pointer-events: none;
  z-index: -1;
}

.page-home .home-cover__inner {
  position: relative;
  display: grid;
  gap: 34px;
}

.page-home .home-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--arc-mist);
  letter-spacing: 0.03em;
}

.page-home .home-cover__title {
  margin: 12px 0 18px;
  font-size: clamp(42px, 12vw, 100px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--arc-ice);
}

.page-home .home-cover__line {
  display: block;
}

.page-home .home-cover__line--accent {
  color: var(--arc-cyan);
  text-shadow: 0 0 26px rgba(52, 241, 211, 0.32);
}

.page-home .home-cover__lede {
  max-width: 40em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--arc-ice);
}

.page-home .home-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-home .home-cover__side {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.page-home .arc-media {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 0;
  border: 3px solid var(--home-line-strong);
  border-radius: var(--arc-radius);
  background: linear-gradient(140deg, var(--arc-abyss), var(--arc-void));
  box-shadow: var(--arc-shadow);
}

.page-home .arc-media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .arc-media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--arc-ice);
  background: linear-gradient(180deg, transparent, rgba(6, 12, 27, 0.92));
}

.page-home .home-cover__media {
  aspect-ratio: 16 / 9;
}

.page-home .home-index {
  border: 2px solid var(--home-line);
  border-radius: var(--arc-radius);
  padding: 18px 18px 14px;
  background: var(--home-veil);
}

.page-home .home-index__lead {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--arc-cyan);
}

.page-home .home-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--arc-ice);
  text-decoration: none;
  border-bottom: 1px solid var(--home-line);
  transition: color 0.2s var(--arc-ease), border-color 0.2s var(--arc-ease);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  color: var(--arc-cyan);
  border-bottom-color: var(--arc-violet);
}

.page-home .home-index__no {
  font-size: 12px;
  color: var(--arc-mist);
}

/* ---------- 分区通用 ---------- */

.page-home .home-band {
  position: relative;
  padding: 56px 0;
}

.page-home .home-band--teal {
  background: var(--arc-teal);
}

.page-home .home-band--indigo {
  background: var(--arc-indigo);
}

.page-home .home-band--abyss {
  background: var(--arc-abyss);
}

.page-home .home-band--wine {
  background: var(--arc-wine);
}

.page-home .home-band--void {
  background: var(--arc-void);
}

.page-home .home-band--stats {
  background: linear-gradient(180deg, var(--arc-abyss), var(--arc-void));
}

.page-home .home-band--cta {
  background:
    radial-gradient(circle at 12% 12%, rgba(52, 241, 211, 0.16), transparent 52%),
    radial-gradient(circle at 88% 82%, rgba(124, 77, 255, 0.3), transparent 56%),
    var(--arc-indigo);
}

.page-home .home-head {
  margin-bottom: 30px;
}

.page-home .home-band__media {
  aspect-ratio: 2 / 1;
  margin-bottom: 30px;
  box-shadow: var(--arc-shadow-sm);
}

/* ---------- 横向栏目画布 ---------- */

.page-home .home-wall__track {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0 0 20px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-card {
  flex: 0 0 min(78vw, 296px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  border: 3px solid var(--arc-violet);
  border-radius: var(--arc-radius);
  background: rgba(6, 12, 27, 0.62);
  box-shadow: var(--arc-shadow-sm);
  transition: transform 0.22s var(--arc-ease), box-shadow 0.22s var(--arc-ease), border-color 0.22s var(--arc-ease);
}

.page-home .home-card:hover,
.page-home .home-card:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: var(--arc-shadow);
  border-color: var(--arc-cyan);
}

.page-home .home-card__no {
  font-size: 13px;
  color: var(--arc-cyan);
  letter-spacing: 0.12em;
}

.page-home .home-card__name {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--arc-ice);
}

.page-home .home-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--arc-mist);
}

.page-home .home-card__tag {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 回访推荐 ---------- */

.page-home .home-rec {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-home .home-rec__note {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 4px solid var(--arc-cyan);
  font-size: 15px;
  line-height: 1.8;
  color: var(--arc-ice);
}

.page-home .home-crowd {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-crowd__item {
  padding: 7px 15px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid var(--home-line-strong);
  border-radius: 999px;
  color: var(--arc-ice);
  transition: border-color 0.2s var(--arc-ease), color 0.2s var(--arc-ease);
}

.page-home .home-crowd__item:nth-child(3n + 1) {
  border-color: rgba(52, 241, 211, 0.62);
}

.page-home .home-crowd__item:nth-child(3n + 2) {
  border-color: rgba(124, 77, 255, 0.72);
}

.page-home .home-crowd__item:hover {
  border-color: var(--arc-gold);
  color: var(--arc-gold);
}

.page-home .home-rec__off {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--arc-mist);
}

.page-home .home-rec__media {
  aspect-ratio: 2 / 1;
  box-shadow: var(--arc-shadow);
}

/* ---------- 资源下载预览 ---------- */

.page-home .home-res {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-home .home-res__media {
  aspect-ratio: 10 / 7;
  box-shadow: var(--arc-shadow);
}

.page-home .home-res__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-home .home-res__cat {
  padding: 5px 11px;
  font-size: 13px;
  color: var(--arc-mist);
  border: 1px solid var(--home-line-strong);
  border-radius: 6px;
}

.page-home .home-res__text {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--arc-ice);
}

.page-home .home-res__facts {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.page-home .home-res__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--home-line);
}

.page-home .home-res__fact dt {
  font-size: 14px;
  color: var(--arc-mist);
}

.page-home .home-res__fact dd {
  margin: 0;
  font-size: 15px;
  color: var(--arc-cyan);
}

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

/* ---------- 账户设置清单 ---------- */

.page-home .home-list__groups {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-list__group {
  padding: 16px 18px;
  border-left: 4px solid var(--arc-gold);
  border-radius: 0 var(--arc-radius) var(--arc-radius) 0;
  background: rgba(6, 12, 27, 0.42);
  transition: transform 0.2s var(--arc-ease), background 0.2s var(--arc-ease);
}

.page-home .home-list__group:hover {
  transform: translateX(4px);
  background: rgba(6, 12, 27, 0.66);
}

.page-home .home-list__group-name {
  display: inline-block;
  margin-right: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--arc-ice);
}

.page-home .home-list__group-num {
  font-size: 14px;
  color: var(--arc-cyan);
}

.page-home .home-list__group-text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--arc-mist);
}

.page-home .home-list__cta {
  margin: 28px 0 0;
}

/* ---------- 版本演进带 ---------- */

.page-home .home-tl {
  position: relative;
  display: grid;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-tl__node {
  position: relative;
  padding-top: 26px;
  border-top: 2px solid var(--home-line-strong);
}

.page-home .home-tl__node::before {
  content: "";
  position: absolute;
  top: -9px;
  left: 0;
  width: 14px;
  height: 14px;
  border: 3px solid var(--arc-violet);
  border-radius: 50%;
  background: var(--arc-void);
  transition: transform 0.22s var(--arc-ease), border-color 0.22s var(--arc-ease);
}

.page-home .home-tl__node:hover::before {
  transform: scale(1.35);
  border-color: var(--arc-cyan);
}

.page-home .home-tl__ver {
  display: block;
  font-size: 28px;
  color: var(--arc-cyan);
}

.page-home .home-tl__year {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  color: var(--arc-mist);
  letter-spacing: 0.08em;
}

.page-home .home-tl__name {
  margin: 10px 0 8px;
  font-size: 18px;
  color: var(--arc-ice);
}

.page-home .home-tl__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--arc-mist);
}

/* ---------- 规模数据带 ---------- */

.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0 14px;
  border-top: 3px solid var(--home-line-strong);
}

.page-home .home-stat__num {
  font-size: clamp(34px, 7vw, 54px);
  line-height: 1;
  color: var(--arc-ice);
  transition: color 0.2s var(--arc-ease);
}

.page-home .home-stat:hover .home-stat__num {
  color: var(--arc-cyan);
}

.page-home .home-stat__label {
  font-size: 14px;
  color: var(--arc-mist);
}

.page-home .home-stats__note {
  margin: 30px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--arc-mist);
}

/* ---------- 收尾行动区 ---------- */

.page-home .home-cta__grid {
  display: grid;
  gap: 18px;
  margin: 26px 0 32px;
}

.page-home .home-cta__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 2px solid var(--home-line-strong);
  border-radius: var(--arc-radius);
  background: rgba(6, 12, 27, 0.5);
  transition: transform 0.22s var(--arc-ease), border-color 0.22s var(--arc-ease);
}

.page-home .home-cta__card:hover {
  transform: translateY(-4px);
  border-color: var(--arc-cyan);
}

.page-home .home-cta__card-title {
  margin: 0;
  font-size: 20px;
  color: var(--arc-ice);
}

.page-home .home-cta__card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--arc-mist);
}

.page-home .home-cta__card-more {
  margin: auto 0 0;
}

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

/* ---------- 平板与桌面 ---------- */

@media (min-width: 720px) {
  .page-home .arc-shell {
    padding-inline: 32px;
  }

  .page-home .home-cover {
    padding: 46px 0 78px;
  }

  .page-home .home-band {
    padding: 76px 0;
  }

  .page-home .home-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .home-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 26px;
  }

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

@media (min-width: 1000px) {
  .page-home .home-cover {
    padding: 58px 0 96px;
  }

  .page-home .home-cover__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .home-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 20px;
  }

  .page-home .home-rec {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 46px;
  }

  .page-home .home-res {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 44px;
  }

  .page-home .home-list__groups {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  }

  .page-home .home-tl {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 34px;
  }

  .page-home .home-stats {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .home-cta__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-card {
    flex: 0 0 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-card,
  .page-home .home-list__group,
  .page-home .home-cta__card,
  .page-home .home-tl__node::before {
    transition: none;
  }

  .page-home .home-card:hover,
  .page-home .home-card:focus-within,
  .page-home .home-list__group:hover,
  .page-home .home-cta__card:hover {
    transform: none;
  }
}