.page-home {
  --home-split-gap: clamp(26px, 4vw, 60px);
  --home-scan: home-scan 11s ease-in-out infinite;
}

.page-home .breadcrumb {
  margin-top: 8px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-top: clamp(14px, 2.4vw, 28px);
  padding-bottom: clamp(52px, 7vw, 96px);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line-soft);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-split-gap);
  align-items: start;
}

.page-home .hero__copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-block: clamp(4px, 1.4vw, 18px);
}

.page-home .hero__eyebrow {
  color: var(--c-neon);
}

.page-home .hero__title {
  max-width: 15ch;
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: 0.015em;
  margin: 0;
}

.page-home .hero__lede {
  max-width: 42ch;
  font-size: 1.0625rem;
  color: var(--c-text);
}

.page-home .hero__actions {
  gap: 12px;
  margin-top: 4px;
}

.page-home .hero__meta {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.page-home .hero__meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-home .hero__meta-item .num {
  color: var(--c-neon-soft);
  font-size: 0.875rem;
}

.page-home .hero__visual {
  position: relative;
  display: grid;
  gap: 16px;
}

.page-home .board-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--c-panel);
  box-shadow: var(--glow);
}

.page-home .board-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, var(--grid-line) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(to bottom, var(--grid-line) 0 1px, transparent 1px 46px),
    radial-gradient(260px circle at var(--px, 50%) var(--py, 38%), rgba(79, 227, 193, 0.16), transparent 72%);
}

.page-home .board-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -40%;
  height: 40%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(79, 227, 193, 0.09), transparent);
  opacity: 0;
}

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

.page-home .hero__figure .media-frame__img,
.page-home .rank__figure .media-frame__img,
.page-home .reconnect__figure .media-frame__img,
.page-home .channels__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .hero__figure .media-frame__img {
  aspect-ratio: 16 / 9;
}

.page-home .hero__preview {
  padding: 16px 18px;
}

.page-home .preview-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
}

.page-home .preview-list__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--c-text);
}

.page-home .preview-list__no {
  font-size: 0.6875rem;
  color: var(--c-neon);
  letter-spacing: 0.1em;
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: 42fr 58fr;
  }

  .page-home .hero__copy {
    justify-content: center;
  }

  .page-home .hero__preview {
    position: absolute;
    left: -26px;
    bottom: -24px;
    width: min(340px, 62%);
    z-index: 3;
  }
}

/* ---------- 通用区块节奏 ---------- */
.page-home .section {
  position: relative;
  padding-block: clamp(38px, 5.6vw, 76px);
}

.page-home .section--tight {
  padding-block: clamp(22px, 3vw, 40px);
}

.page-home .section-head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-home .section-head .eyebrow {
  color: var(--c-neon);
}

.page-home .section-title {
  margin: 0;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

/* ---------- 速查面板 ---------- */
.page-home .panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-home .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .rule-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--c-panel);
  overflow: hidden;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-home .rule-item:hover {
  border-color: rgba(79, 227, 193, 0.3);
}

.page-home .rule-item[data-open] {
  border-color: rgba(79, 227, 193, 0.42);
  background: var(--c-float);
}

.page-home .rule-item__head {
  width: 100%;
  display: grid;
  gap: 10px 14px;
  align-items: center;
  padding: 16px 18px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-home .rule-item__head:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -2px;
}

.page-home .rule-item__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-home .rule-item__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.03em;
}

.page-home .rule-item__mark {
  position: relative;
  width: 20px;
  height: 20px;
  justify-self: end;
}

.page-home .rule-item__mark::before,
.page-home .rule-item__mark::after {
  content: "";
  position: absolute;
  background: var(--c-muted);
  transition: transform 0.28s ease, background-color 0.28s ease;
}

.page-home .rule-item__mark::before {
  left: 2px;
  right: 2px;
  top: 9px;
  height: 2px;
}

.page-home .rule-item__mark::after {
  top: 2px;
  bottom: 2px;
  left: 9px;
  width: 2px;
}

.page-home .rule-item__head[aria-expanded="true"] .rule-item__mark::before {
  background: var(--c-neon);
}

.page-home .rule-item__head[aria-expanded="true"] .rule-item__mark::after {
  transform: scaleY(0);
}

.page-home .rule-item__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s ease;
}

.page-home .rule-item__inner {
  overflow: hidden;
}

.page-home .rule-item__head[aria-expanded="true"] + .rule-item__body,
.page-home .rule-item[data-open] .rule-item__body {
  grid-template-rows: 1fr;
}

.page-home .rule-item__content {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
  font-size: 0.9375rem;
  color: var(--c-text);
}

.page-home .rule-item__content p {
  margin: 0;
}

.page-home .rule-item__content .caption {
  color: var(--c-muted);
}

.page-home .panel__row {
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx title mark"
    "badges badges badges";
}

.page-home .panel__row .rule-item__index { grid-area: idx; }
.page-home .panel__row .rule-item__title { grid-area: title; }
.page-home .panel__row .rule-item__mark { grid-area: mark; }
.page-home .panel__badges { grid-area: badges; }

.page-home .panel__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .panel__scope {
  color: var(--c-neon-soft);
  font-size: 0.875rem;
}

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

.page-home .panel__detail li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9375rem;
  color: var(--c-text);
}

.page-home .panel__detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--c-neon);
}

.page-home .panel__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .panel__note {
  padding: 20px;
}

.page-home .panel__note .card__body {
  display: grid;
  gap: 12px;
}

.page-home .panel__note p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-text);
}

.page-home .panel__big {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--c-gold);
  letter-spacing: 0.02em;
}

.page-home .panel__link {
  justify-self: start;
}

@media (min-width: 980px) {
  .page-home .panel__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.75fr);
    align-items: start;
  }

  .page-home .panel__row {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    grid-template-areas: "idx title badges mark";
    gap: 12px 16px;
  }

  .page-home .panel__badges {
    justify-content: flex-end;
  }
}

/* ---------- 版本对照 ---------- */
.page-home .compare {
  background: radial-gradient(120% 80% at 82% 0%, rgba(79, 227, 193, 0.07), transparent 62%);
}

.page-home .compare__list {
  gap: 10px;
}

.page-home .compare__row {
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx title mark"
    "old old old"
    "new new new";
  row-gap: 8px;
}

.page-home .compare__row .rule-item__index { grid-area: idx; }
.page-home .compare__row .rule-item__title { grid-area: title; }
.page-home .compare__row .rule-item__mark { grid-area: mark; }
.page-home .compare__cell--old { grid-area: old; }
.page-home .compare__cell--new { grid-area: new; }

.page-home .compare__cell {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--c-text);
}

.page-home .compare__tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--c-muted);
}

.page-home .compare__cell--new .compare__tag {
  background: var(--c-neon);
  border-color: transparent;
  color: var(--c-night);
}

.page-home .compare__note {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--c-gold);
  font-size: 0.875rem;
  color: var(--c-muted);
  max-width: 60ch;
}

@media (min-width: 900px) {
  .page-home .compare__row {
    grid-template-columns: auto minmax(0, 0.8fr) minmax(0, 1.05fr) minmax(0, 1.05fr) auto;
    grid-template-areas: "idx title old new mark";
    row-gap: 0;
  }

  .page-home .compare__cell {
    padding-left: 16px;
    border-left: 1px solid var(--line-soft);
  }
}

/* ---------- 段位与残局 ---------- */
.page-home .rank__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 46px);
}

.page-home .rank__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-home .rank__stats .stat {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-home .rank__stats .stat__value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--c-neon-soft);
  letter-spacing: 0.02em;
}

.page-home .rank__stats .stat__label {
  font-size: 0.8125rem;
  color: var(--c-muted);
}

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

.page-home .chapter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(11, 48, 40, 0.55);
}

.page-home .chapter__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-home .chapter__range {
  font-size: 0.9375rem;
  color: var(--c-text);
}

.page-home .chapter__level {
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.page-home .chapter__bar {
  grid-column: 1 / -1;
  height: 3px;
  border-radius: 2px;
  background: rgba(168, 245, 230, 0.1);
  overflow: hidden;
}

.page-home .chapter__bar i {
  display: block;
  height: 100%;
  background: linear-gradient(to right, var(--c-neon), var(--c-gold));
}

.page-home .chapter--l1 .chapter__bar i { width: 20%; }
.page-home .chapter--l2 .chapter__bar i { width: 36%; }
.page-home .chapter--l3 .chapter__bar i { width: 52%; }
.page-home .chapter--l4 .chapter__bar i { width: 70%; }
.page-home .chapter--l5 .chapter__bar i { width: 86%; }
.page-home .chapter--l6 .chapter__bar i { width: 100%; }

.page-home .rank__foot {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-home .rank__link {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 193, 0.4);
}

.page-home .rank__link:hover {
  border-bottom-color: var(--c-neon);
}

.page-home .rank__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .rank__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-panel);
}

.page-home .rank__figure .media-frame__img {
  aspect-ratio: 4 / 3;
}

@media (min-width: 960px) {
  .page-home .rank__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: start;
  }

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

/* ---------- 重连窗口 ---------- */
.page-home .reconnect__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.2vw, 40px);
}

.page-home .reconnect__copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .reconnect__copy .section-title {
  margin: 0;
}

.page-home .reconnect .step {
  display: grid;
  gap: 4px;
  padding: 4px 0 4px 14px;
  border-left: 1px solid var(--line);
}

.page-home .reconnect .steps {
  list-style: none;
  margin: 4px 0 2px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .reconnect .step__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--c-neon);
}

.page-home .reconnect .step__body {
  font-size: 0.9375rem;
  color: var(--c-text);
}

.page-home .reconnect__svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 6px;
  padding: 10px 8px 4px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(4, 26, 21, 0.5);
}

.page-home .reconnect__svg .line {
  fill: none;
  stroke: var(--c-neon);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.85;
}

.page-home .reconnect__svg .guide {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.page-home .reconnect__svg .node {
  fill: var(--c-night);
  stroke: var(--c-neon);
  stroke-width: 2;
}

.page-home .reconnect__svg .node--key {
  fill: var(--c-gold);
  stroke: var(--c-gold);
}

.page-home .reconnect__svg .lbl {
  fill: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-home .reconnect__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-panel);
}

.page-home .reconnect__figure .media-frame__img {
  aspect-ratio: 16 / 9;
}

@media (min-width: 640px) {
  .page-home .reconnect .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .reconnect__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

/* ---------- 栏目分流 ---------- */
.page-home .channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.2vw, 40px);
}

.page-home .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-home .channel {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .channel__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 14px;
  padding: 14px 6px;
  text-decoration: none;
  color: inherit;
  border-radius: 8px;
  transition: background-color 0.25s ease, padding-left 0.25s ease;
}

.page-home .channel__link:hover,
.page-home .channel__link:focus-visible {
  background: rgba(18, 66, 55, 0.6);
  padding-left: 12px;
}

.page-home .channel__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  padding-top: 4px;
}

.page-home .channel__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.03em;
}

.page-home .channel__desc {
  font-size: 0.875rem;
  color: var(--c-muted);
}

.page-home .channels__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .channels__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-panel);
}

.page-home .channels__figure .media-frame__img {
  aspect-ratio: 1 / 1;
}

.page-home .rhythm {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.page-home .rhythm__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  font-size: 0.875rem;
  color: var(--c-text);
}

.page-home .rhythm__dot {
  width: 12px;
  height: 1px;
  margin-top: 0.72em;
  background: var(--c-neon);
}

@media (min-width: 980px) {
  .page-home .channels__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }
}

/* ---------- 收束 ---------- */
.page-home .closing__inner {
  display: grid;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-home .closing__text {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-home .closing__actions {
  gap: 10px;
}

@media (min-width: 780px) {
  .page-home .closing__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

/* ---------- 棋盘格扫描（触屏） ---------- */
@media (hover: none) {
  .page-home .board-frame::after {
    opacity: 1;
    animation: var(--home-scan);
  }
}

@keyframes home-scan {
  0% { transform: translateY(0); }
  50% { transform: translateY(340%); }
  100% { transform: translateY(0); }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    animation: none !important;
    transition: none !important;
  }

  .page-home .board-frame::after {
    display: none;
  }
}

.page-home {
  --px: transparent;
  --py: transparent;
}