.page-home {
  --home-edge: 2px;
  --home-shadow: 6px 6px 0 rgba(58, 74, 107, 0.85);
  background-color: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: var(--fs-17);
  line-height: 1.8;
  overflow-x: clip;
}

.page-home #setup,
.page-home #map,
.page-home #updates,
.page-home #help {
  scroll-margin-top: 86px;
}

.page-home .home-h2 {
  margin: 0 0 var(--sp-16);
  font-size: clamp(25px, 5vw, var(--fs-48));
  line-height: 1.16;
  letter-spacing: 0.06em;
  font-weight: 800;
  color: var(--paper);
}

.page-home .label {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.14em;
  color: var(--silver);
  text-transform: uppercase;
  margin: 0;
}

.page-home .num {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-home .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--sp-24);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-home .breadcrumbs__current {
  color: var(--cyan);
}

.page-home .breadcrumbs__sep {
  color: var(--graphite);
}

/* ---------- 封面首屏 ---------- */

.page-home .home-cover {
  position: relative;
  padding: var(--sp-40) 0 var(--sp-64);
  background:
    radial-gradient(95% 8% at 4% 0%, rgba(27, 34, 85, 0.92) 0%, rgba(7, 12, 25, 0) 62%),
    radial-gradient(60% 60% at 102% 104%, rgba(94, 22, 48, 0.4) 0%, rgba(7, 12, 25, 0) 72%),
    var(--ink-900);
  border-bottom: var(--home-edge) solid var(--graphite);
  overflow: hidden;
}

.page-home .home-cover::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 46%;
  background: repeating-linear-gradient(
    0deg,
    rgba(159, 176, 198, 0.07) 0 1px,
    transparent 1px 5px
  );
  animation: home-scan 18s linear infinite;
  pointer-events: none;
}

@keyframes home-scan {
  from { transform: translateY(0); }
  to { transform: translateY(5px); }
}

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

.page-home .home-cover__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-40);
}

.page-home .home-cover__title {
  display: flex;
  flex-direction: column;
  gap: 0.12em;
  margin: var(--sp-16) 0 var(--sp-24);
  font-size: clamp(34px, 8.4vw, var(--fs-72));
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: 0.06em;
}

.page-home .home-cover__title-line--sub {
  font-size: 0.46em;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-home .home-cover__lede {
  max-width: 34em;
  margin: 0 0 var(--sp-24);
  color: var(--silver);
  font-size: var(--fs-17);
  line-height: 1.85;
}

.page-home .home-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-16);
  margin-bottom: var(--sp-24);
}

.page-home .home-cover__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px var(--sp-16);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-13);
  letter-spacing: 0.05em;
  color: var(--silver);
}

.page-home .home-cover__quick li {
  padding: 6px 12px;
  border: 1px solid var(--graphite);
  background: rgba(15, 24, 48, 0.7);
}

.page-home .home-cover__quick .num {
  color: var(--paper);
}

.page-home .home-console {
  border: var(--home-edge) solid var(--graphite);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  margin-bottom: var(--sp-24);
}

.page-home .home-console__head {
  padding: 10px var(--sp-16);
  border-bottom: var(--home-edge) solid var(--graphite);
  background: var(--ink-700);
  color: var(--cyan);
}

.page-home .home-console__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-16);
  padding: 11px var(--sp-16);
  border-bottom: 1px solid rgba(58, 74, 107, 0.6);
  font-size: var(--fs-13);
}

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

.page-home .home-console__k {
  color: var(--silver);
  letter-spacing: 0.08em;
}

.page-home .home-console__v {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--paper);
}

.page-home .home-console__row--link {
  text-decoration: none;
  color: inherit;
  transition: background var(--ease);
}

.page-home .home-console__row--link .home-console__v {
  color: var(--red);
}

.page-home .home-console__row--link:hover,
.page-home .home-console__row--link:focus-visible {
  background: rgba(226, 35, 60, 0.14);
}

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

/* ---------- 通用媒体框 ---------- */

.page-home .media {
  display: block;
  margin: 0;
  border: var(--home-edge) solid var(--graphite);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

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

.page-home .media__caption {
  display: block;
  padding: 10px var(--sp-16);
  border-top: var(--home-edge) solid var(--graphite);
  font-size: var(--fs-13);
  letter-spacing: 0.05em;
  color: var(--silver);
  line-height: 1.6;
}

/* ---------- 区块骨架 ---------- */

.page-home .home-block {
  position: relative;
  padding: var(--sp-64) 0;
}

/* ---------- 配置说明 ---------- */

.page-home .home-setup__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-40);
}

.page-home .home-setup__note {
  margin: 0;
  max-width: 30em;
  color: var(--silver);
  font-size: var(--fs-15);
  line-height: 1.85;
}

.page-home .setup-list {
  display: grid;
  gap: var(--sp-16);
  margin: 0 0 var(--sp-40);
  padding: 0;
  list-style: none;
}

.page-home .setup-item {
  position: relative;
  border: var(--home-edge) solid var(--graphite);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-home .setup-item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-home .setup-item:has(.setup-item__check:checked) {
  border-color: var(--cyan);
  background: linear-gradient(90deg, rgba(111, 227, 225, 0.1) 0%, var(--ink-800) 46%);
}

.page-home .setup-item__check {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 20px;
  height: 20px;
  margin: 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  border: var(--home-edge) solid var(--graphite);
  background: var(--ink-900);
  cursor: pointer;
  z-index: 2;
  transition: background var(--ease), border-color var(--ease);
}

.page-home .setup-item__check:hover {
  border-color: var(--cyan);
}

.page-home .setup-item__check:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-home .setup-item__check:checked::after {
  content: "✓";
  display: block;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  line-height: 16px;
  color: var(--ink-900);
}

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

.page-home .setup-item__label {
  display: block;
  padding: 18px 22px 20px 56px;
  cursor: pointer;
}

.page-home .setup-item__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.page-home .setup-item__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-home .setup-item__name {
  font-size: var(--fs-22);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-home .setup-item__text {
  display: block;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 栏目索引地图 ---------- */

.page-home .home-map {
  border-top: var(--home-edge) solid var(--graphite);
  border-bottom: var(--home-edge) solid var(--graphite);
  background: linear-gradient(180deg, var(--ink-700) 0%, var(--ink-900) 82%);
}

.page-home .home-map__head {
  max-width: 40em;
}

.page-home .home-map__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-24);
  margin: var(--sp-40) 0;
}

.page-home .home-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 22px;
  border: var(--home-edge) solid var(--graphite);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-home .home-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--graphite);
}

.page-home .home-card--download::before { background: var(--red); }
.page-home .home-card--news::before { background: var(--cyan); }
.page-home .home-card--faq::before { background: var(--amber); }

.page-home .home-card:hover,
.page-home .home-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: 7px 8px 0 rgba(58, 74, 107, 0.95);
}

.page-home .home-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .home-card .tag {
  align-self: flex-start;
}

.page-home .home-card__title {
  margin: 0;
  font-size: var(--fs-22);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-home .home-card__text {
  margin: 0;
  flex: 1;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--silver);
}

.page-home .home-card__step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--paper);
  letter-spacing: 0.08em;
}

.page-home .home-card__step::after {
  content: "→";
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-home .home-map__figure {
  max-width: 720px;
  margin: 0 0 var(--sp-40);
}

.page-home .index-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: var(--sp-24);
  border-top: 1px solid rgba(58, 74, 107, 0.7);
}

.page-home .index-strip__item {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: var(--home-edge) solid var(--graphite);
  background: rgba(7, 12, 25, 0.7);
  color: var(--silver);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), color var(--ease);
}

.page-home .index-strip__item:hover,
.page-home .index-strip__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan);
}

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

/* ---------- 版本与栏目动态 ---------- */

.page-home .home-updates__head {
  max-width: 42em;
}

.page-home .home-updates__stamp {
  margin: 0;
  font-size: var(--fs-13);
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-home .home-updates__stamp .num {
  color: var(--red);
}

.page-home .update-list {
  margin: var(--sp-40) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--home-edge) solid var(--graphite);
}

.page-home .update-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(58, 74, 107, 0.65);
  transition: background var(--ease);
}

.page-home .update-item:hover {
  background: rgba(27, 34, 85, 0.4);
}

.page-home .update-item__when {
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-home .update-item__title {
  margin: 0 0 6px;
  font-size: var(--fs-22);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-home .update-item__text {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--silver);
}

.page-home .home-updates__figure {
  max-width: 820px;
  margin: var(--sp-40) 0;
}

.page-home .home-updates__more {
  align-self: flex-start;
}

/* ---------- 遇到问题 ---------- */

.page-home .home-help {
  border-top: var(--home-edge) solid var(--graphite);
  background: linear-gradient(180deg, var(--wine-800) 0%, var(--ink-900) 96%);
}

.page-home .home-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-40);
}

.page-home .home-help__note {
  margin: 0;
  max-width: 30em;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--silver);
}

.page-home .home-help__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-16);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .help-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  border: var(--home-edge) solid var(--graphite);
  background: rgba(7, 12, 25, 0.72);
  box-shadow: var(--shadow-hard);
  transition: transform var(--ease), border-color var(--ease);
}

.page-home .help-item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-home .help-item__title {
  margin: 0;
  font-size: var(--fs-17);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-home .help-item__text {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--silver);
}

.page-home .help-item__link {
  align-self: flex-start;
  margin-top: 4px;
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}

.page-home .help-item__link:hover,
.page-home .help-item__link:focus-visible {
  color: var(--red-bright);
  border-color: var(--red-bright);
}

.page-home .help-item__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .home-map__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .home-cover__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--sp-64);
    align-items: start;
  }

  .page-home .home-cover__lead {
    max-width: 62ch;
  }

  .page-home .home-setup__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: var(--sp-64);
    align-items: start;
  }

  .page-home .home-setup__aside {
    position: sticky;
    top: 88px;
  }

  .page-home .home-help__grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: var(--sp-64);
    align-items: start;
  }

  .page-home .update-item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: var(--sp-24);
    align-items: start;
  }

  .page-home .home-updates__head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--sp-16);
  }

  .page-home .home-updates__head .home-h2 {
    margin-bottom: 0;
  }
}

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

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