.page-home {
  --home-gap: 24px;
  --home-gap-lg: 32px;
  --home-line: var(--yh-line);
  --home-panel: var(--yh-surface);
  --home-dim: var(--yh-muted);
  --home-ink: var(--yh-text);
  --home-radius: var(--yh-radius);
}

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

.page-home .yh-section {
  padding: 56px 0;
  border-top: 1px solid var(--home-line);
}

.page-home .yh-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--home-ink);
}

.page-home .yh-index {
  margin: 0;
  color: var(--yh-violet-soft);
  font-family: var(--yh-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-home .yh-eyebrow {
  margin: 0;
}

.page-home .yh-note {
  margin: 16px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--home-dim);
  line-height: 1.7;
}

.page-home .yh-section__note {
  margin: 0;
  color: var(--home-dim);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 20px 0 48px;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-home .hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: block;
  background:
    radial-gradient(110% 70% at 50% 0%, rgba(108, 92, 231, 0.24), transparent 60%),
    linear-gradient(180deg, rgba(11, 16, 38, 0.72) 0%, rgba(11, 16, 38, 0.94) 60%, var(--yh-bg) 100%);
}

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

.page-home .hero__frame {
  position: relative;
  padding: 22px 18px 28px;
  background: linear-gradient(158deg, rgba(20, 26, 54, 0.88), rgba(11, 16, 38, 0.7));
  backdrop-filter: blur(6px);
}

.page-home .hero__crumbs {
  margin-bottom: 18px;
}

.page-home .hero__crumbs .yh-crumbs__list {
  color: var(--home-dim);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-home .hero__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .hero__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 8.4vw, 66px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--home-ink);
}

.page-home .hero__lead .yh-lead {
  margin: 20px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-dim);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero__fav .hero__fav-on {
  display: none;
}

.page-home .hero__fav[aria-pressed="true"] {
  border-color: var(--yh-green);
  color: var(--yh-green);
}

.page-home .hero__fav[aria-pressed="true"] .hero__fav-off {
  display: none;
}

.page-home .hero__fav[aria-pressed="true"] .hero__fav-on {
  display: inline;
}

.page-home .hero__aside {
  padding-top: 22px;
  border-top: 1px solid var(--home-line);
}

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

.page-home .hero__scale-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "ver name"
    "ver sys";
  column-gap: 14px;
  row-gap: 2px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .hero__scale-item:first-child {
  border-top: 1px solid var(--home-line);
}

.page-home .hero__ver {
  grid-area: ver;
  font-family: var(--yh-font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--yh-cyan);
  letter-spacing: -0.01em;
}

.page-home .hero__ver--ios {
  color: var(--yh-violet-soft);
}

.page-home .hero__scale-name {
  grid-area: name;
  font-size: 14px;
  color: var(--home-ink);
}

.page-home .hero__sys {
  grid-area: sys;
  font-size: 12.5px;
  color: var(--home-dim);
  line-height: 1.6;
}

/* ---------- 常用栏目 ---------- */

.page-home .archives__head {
  display: grid;
  gap: 16px;
}

.page-home .archives__body {
  display: grid;
  gap: var(--home-gap);
  margin-top: 32px;
}

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

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

.page-home .arch-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
  padding: 22px 18px 20px;
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  background: linear-gradient(180deg, rgba(20, 26, 54, 0.92), rgba(11, 16, 38, 0.82));
  transition: border-color 0.18s var(--yh-ease), transform 0.18s var(--yh-ease);
}

.page-home .arch-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--yh-violet), rgba(108, 92, 231, 0));
}

.page-home .arch-card--download::before {
  background: linear-gradient(90deg, var(--yh-amber), rgba(240, 162, 75, 0));
}

.page-home .arch-card--help::before {
  background: linear-gradient(90deg, var(--yh-cyan), rgba(78, 201, 233, 0));
}

.page-home .arch-card:hover {
  border-color: var(--yh-violet-soft);
  transform: translateY(-2px);
}

.page-home .arch-card__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 9px;
  border: 1px solid var(--home-line);
  border-radius: 999px;
  color: var(--home-dim);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

.page-home .arch-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--home-ink);
}

.page-home .arch-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--home-dim);
}

.page-home .arch-card .yh-card__meta {
  margin: 0;
  font-family: var(--yh-font-mono);
  font-size: 12.5px;
  color: var(--yh-cyan);
  letter-spacing: 0.02em;
}

.page-home .arch-card__link {
  margin-top: auto;
  padding-top: 6px;
  color: var(--yh-violet-soft);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.page-home .arch-card__link:hover,
.page-home .arch-card__link:focus-visible {
  color: var(--home-ink);
  border-bottom-color: var(--yh-violet-soft);
}

/* ---------- 双版本 ---------- */

.page-home .versions__head {
  max-width: 52em;
}

.page-home .versions__head .yh-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-dim);
}

.page-home .versions__stage {
  display: grid;
  gap: var(--home-gap);
  margin-top: 32px;
}

.page-home .versions__cards {
  display: grid;
  gap: 16px;
}

.page-home .version-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 20px;
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  background: var(--home-panel);
}

.page-home .version-card--pc {
  box-shadow: inset 0 1px 0 rgba(108, 92, 231, 0.4);
}

.page-home .version-card--ios {
  box-shadow: inset 0 1px 0 rgba(78, 201, 233, 0.4);
}

.page-home .version-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--home-line);
}

.page-home .version-card__num {
  font-family: var(--yh-font-mono);
  font-size: 30px;
  font-weight: 500;
  color: var(--yh-cyan);
  letter-spacing: -0.02em;
}

.page-home .version-card__num--ios {
  color: var(--yh-violet-soft);
}

.page-home .version-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--home-ink);
}

.page-home .version-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .version-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--home-dim);
}

.page-home .version-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--yh-violet-soft);
}

.page-home .version-card .yh-btn {
  align-self: flex-start;
}

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

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

/* ---------- 更新 ---------- */

.page-home .updates__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .updates__main .yh-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-dim);
}

.page-home .updates__list {
  margin: 24px 0 24px;
}

.page-home .updates__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-home .updates__tag {
  flex: none;
  min-width: 72px;
  font-family: var(--yh-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--yh-cyan);
}

.page-home .updates__text {
  font-size: 15px;
  color: var(--home-ink);
}

.page-home .updates__aside {
  padding: 22px 20px;
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  background: linear-gradient(200deg, rgba(108, 92, 231, 0.14), rgba(20, 26, 54, 0.6) 55%);
}

.page-home .updates__facts {
  margin: 14px 0 0;
  display: grid;
  gap: 0;
}

.page-home .updates__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--home-line);
}

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

.page-home .updates__fact dt {
  font-size: 13.5px;
  color: var(--home-dim);
}

.page-home .updates__fact dd {
  margin: 0;
  font-family: var(--yh-font-mono);
  font-size: 14px;
  color: var(--home-ink);
  letter-spacing: 0.02em;
}

/* ---------- 新手上手 ---------- */

.page-home .start__head {
  max-width: 48em;
}

.page-home .start__head .yh-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-dim);
}

.page-home .start__steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-home .start__step {
  position: relative;
  padding: 24px 20px 22px;
  border: 1px solid var(--home-line);
  border-radius: var(--home-radius);
  background: linear-gradient(180deg, rgba(20, 26, 54, 0.86), rgba(11, 16, 38, 0.62));
}

.page-home .start__num {
  display: block;
  font-family: var(--yh-font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--yh-violet-soft);
}

.page-home .start__step-title {
  margin: 12px 0 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--home-ink);
}

.page-home .start__step p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-dim);
}

.page-home .start__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--home-line);
}

.page-home .start__foot-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--home-dim);
}

/* ---------- 帮助入口 ---------- */

.page-home .helpbox__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .helpbox__main .yh-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-dim);
}

.page-home .helpbox__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .helpbox__points li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--home-line);
}

.page-home .helpbox__points strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--home-ink);
}

.page-home .helpbox__points span {
  font-size: 14px;
  line-height: 1.75;
  color: var(--home-dim);
}

.page-home .helpbox__aside {
  padding: 24px 20px;
  border: 1px solid var(--home-line);
  border-left: 2px solid var(--yh-amber);
  border-radius: var(--home-radius);
  background: rgba(20, 26, 54, 0.55);
}

.page-home .helpbox__aside-text {
  margin: 14px 0 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-dim);
}

.page-home .helpbox__aside-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--yh-violet-soft);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .helpbox__aside-link:hover,
.page-home .helpbox__aside-link:focus-visible {
  color: var(--home-ink);
  border-bottom-color: var(--yh-violet-soft);
}

/* ---------- 收尾 ---------- */

.page-home .closing {
  position: relative;
  padding: 60px 0 72px;
  border-top: 1px solid var(--home-line);
  background:
    radial-gradient(80% 120% at 20% 0%, rgba(108, 92, 231, 0.24), transparent 62%),
    radial-gradient(70% 110% at 90% 100%, rgba(78, 201, 233, 0.14), transparent 60%);
}

.page-home .closing__inner {
  max-width: 46em;
}

.page-home .closing__title {
  margin-top: 12px;
}

.page-home .closing__text {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-dim);
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .closing__note {
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .hero__frame {
    padding: 28px 26px 34px;
  }

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

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

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

@media (min-width: 900px) {
  .page-home .yh-section {
    padding: 76px 0;
  }

  .page-home .hero {
    padding: 28px 0 64px;
  }

  .page-home .hero__frame {
    padding: 34px 40px 44px;
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: var(--home-gap-lg);
    align-items: end;
  }

  .page-home .hero__aside {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--home-line);
    padding-left: 26px;
  }

  .page-home .archives__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: var(--home-gap-lg);
    align-items: end;
  }

  .page-home .archives__body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--home-gap-lg);
    align-items: start;
    margin-top: 40px;
  }

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

  .page-home .versions__stage {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: var(--home-gap-lg);
    margin-top: 40px;
  }

  .page-home .updates__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: var(--home-gap-lg);
    align-items: start;
  }

  .page-home .start__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 40px;
  }

  .page-home .helpbox__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: var(--home-gap-lg);
    align-items: start;
  }

  .page-home .closing {
    padding: 84px 0 96px;
  }
}

@media (min-width: 1100px) {
  .page-home .archives__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .arch-card {
    transition: none;
  }

  .page-home .arch-card:hover {
    transform: none;
  }
}