/* ===== 首页 · page-home ===== */
.page-home {
  --ph-scan: repeating-linear-gradient(
    to bottom,
    rgba(63, 169, 245, 0.05) 0 1px,
    transparent 1px 4px
  );
  --ph-card-bg: linear-gradient(158deg, rgba(21, 29, 46, 0.96), rgba(14, 20, 33, 0.96));
}

.page-home .crumbs {
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-home .crumbs__sep {
  margin: 0 8px;
  color: var(--c-line);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: 40px 0 72px;
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0 32% 45% 0;
  background: radial-gradient(circle at 28% 38%, rgba(138, 107, 255, 0.24), transparent 64%);
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background-image: var(--ph-scan);
  -webkit-mask-image: linear-gradient(to top, #000, transparent);
  mask-image: linear-gradient(to top, #000, transparent);
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 40px;
}

.page-home .hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-home .hero__title {
  margin: 16px 0 0;
  font-size: clamp(46px, 13vw, 128px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-home .hero__title span {
  display: block;
  line-height: 0.94;
}

.page-home .hero__tilt {
  color: var(--c-gold);
  transform: rotate(-1.6deg);
  transform-origin: 0 55%;
  text-shadow: 0 0 56px rgba(242, 178, 60, 0.32);
}

.page-home .hero__lede {
  margin: 26px 0 0;
  max-width: 34em;
  color: var(--c-text-soft);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

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

.page-home .hero__figure {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--c-line);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-home .hero__card {
  margin-top: 20px;
  padding: 20px 22px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: var(--ph-card-bg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.page-home .hero__card .tag {
  display: inline-block;
}

.page-home .hero__stats {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .hero__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-top: 11px;
  border-top: 1px solid var(--c-line-soft);
}

.page-home .hero__stat:first-child {
  border-top-color: transparent;
  padding-top: 0;
}

.page-home .hero__stat .stat__value {
  color: var(--c-gold);
  font-size: 19px;
}

.page-home .hero__stat .stat__label {
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 三档叫分对照带 ---------- */
.page-home .tiers {
  position: relative;
  padding: 76px 0 84px;
}

.page-home .tiers__body {
  margin-top: 40px;
  display: grid;
  gap: 30px;
}

.page-home .tiers__figure {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--c-line);
}

.page-home .tiers__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .tiers__cols {
  display: grid;
  gap: 18px;
}

.page-home .tier {
  padding: 26px 22px 28px;
  border-radius: var(--radius-m);
  background: rgba(21, 29, 46, 0.6);
  border-top: 2px solid var(--c-line);
  transition: background var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-home .tier--600 {
  border-top-color: rgba(63, 169, 245, 0.7);
}

.page-home .tier--700 {
  border-top-color: rgba(138, 107, 255, 0.7);
}

.page-home .tier--800 {
  border-top-color: var(--c-gold);
  background: rgba(21, 29, 46, 0.86);
}

.page-home .tier__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-text);
  transform: skewX(-3deg);
}

.page-home .tier__num span {
  margin-left: 6px;
  font-size: 15px;
  letter-spacing: 0;
  color: var(--c-muted);
  transform: skewX(3deg);
  display: inline-block;
}

.page-home .tier--800 .tier__num {
  color: var(--c-gold);
}

.page-home .tier__name {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-text);
}

.page-home .tier__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-soft);
}

.page-home .tier__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

.page-home .tiers__chips {
  margin-top: 34px;
}

/* ---------- 九级段位阶梯 ---------- */
.page-home .ranks {
  padding: 76px 0 84px;
}

.page-home .ranks__grid {
  display: grid;
  gap: 40px;
}

.page-home .ranks__badge {
  margin: 30px 0 0;
  max-width: 320px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--c-line);
  box-shadow: 0 0 60px rgba(138, 107, 255, 0.18);
}

.page-home .ranks__badge img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-home .ranks__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .rank {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 2px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line-soft);
  transition: opacity var(--dur) var(--ease-out);
}

.page-home .rank:first-child {
  border-top: 1px solid var(--c-line-soft);
}

.page-home .rank__num {
  grid-row: span 2;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--c-muted);
  transition: color var(--dur) var(--ease-out);
}

.page-home .rank__name {
  font-size: 17px;
  font-weight: 500;
  color: var(--c-text);
}

.page-home .rank__note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-home .ranks__list:hover .rank {
  opacity: 0.38;
}

.page-home .ranks__list .rank:hover,
.page-home .ranks__list .rank:hover + .rank,
.page-home .ranks__list .rank:has(+ .rank:hover) {
  opacity: 1;
}

.page-home .ranks__list .rank:hover .rank__num,
.page-home .ranks__list .rank:hover + .rank .rank__num,
.page-home .ranks__list .rank:has(+ .rank:hover) .rank__num {
  color: var(--c-gold);
}

/* ---------- 桌位与重连 ---------- */
.page-home .seats {
  padding: 76px 0 84px;
}

.page-home .seats__diagram {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 520px;
  margin: 36px 0 0;
}

.page-home .seat {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  background: radial-gradient(circle at 34% 28%, rgba(63, 169, 245, 0.2), rgba(14, 20, 33, 0.92) 72%);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-muted);
}

.page-home .seat--last {
  border-color: var(--c-gold);
  background: radial-gradient(circle at 34% 28%, rgba(242, 178, 60, 0.42), rgba(242, 178, 60, 0.06) 74%);
  color: var(--c-gold-hi);
  box-shadow: 0 0 36px rgba(242, 178, 60, 0.3);
}

.page-home .seats__timeline {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  max-width: 46em;
}

.page-home .seat-step {
  position: relative;
  padding: 0 0 28px 30px;
  border-left: 1px solid var(--c-line);
}

.page-home .seat-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-blue);
  box-shadow: 0 0 14px rgba(63, 169, 245, 0.6);
}

.page-home .seat-step--alert::before {
  background: var(--c-gold);
  box-shadow: 0 0 14px rgba(242, 178, 60, 0.6);
}

.page-home .seat-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-home .seat-step__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-home .seat-step__title {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-text);
}

.page-home .seat-step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-soft);
}

/* ---------- 赛季节奏 ---------- */
.page-home .season {
  position: relative;
  padding: 96px 0 0;
}

.page-home .season::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 110px;
  background-image: var(--ph-scan);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
  mask-image: linear-gradient(to bottom, #000, transparent);
  pointer-events: none;
}

.page-home .season__rounds {
  position: relative;
  z-index: 2;
  list-style: none;
  margin: 42px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-home .round {
  padding: 22px 20px 24px;
  border-radius: var(--radius-m);
  background: linear-gradient(170deg, rgba(21, 29, 46, 0.82), rgba(14, 20, 33, 0.5));
}

.page-home .round__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--c-gold);
  transform: skewX(-3deg);
}

.page-home .round__name {
  margin: 12px 0 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
}

.page-home .round__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-home .season__stage {
  position: relative;
  margin: 60px 0 0;
  overflow: hidden;
}

.page-home .season__stage img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  opacity: 0.78;
}

/* ---------- 上手路径 ---------- */
.page-home .start {
  padding: 72px 0 88px;
}

.page-home .start__grid {
  display: grid;
  gap: 44px;
}

.page-home .start__steps {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 28px;
}

.page-home .step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 4px 18px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
}

.page-home .step__num {
  grid-row: span 2;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--c-gold);
  transform: skewX(-3deg);
}

.page-home .step__title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--c-text);
}

.page-home .step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-soft);
}

.page-home .start__side {
  padding: 26px 24px 30px;
  border-radius: var(--radius-m);
  background: rgba(21, 29, 46, 0.62);
  border-left: 2px solid var(--c-gold);
}

.page-home .start__side-title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-text);
}

.page-home .start__side-text {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-text-soft);
}

.page-home .start__cta {
  margin-top: 24px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-home .tiers__cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-home .tier--700 {
    margin-top: 28px;
  }

  .page-home .tier--800 {
    margin-top: 56px;
  }

  .page-home .season__rounds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-home .round:nth-child(2) {
    margin-top: 22px;
  }

  .page-home .round:nth-child(3) {
    margin-top: 44px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-home .hero {
    padding: 48px 0 104px;
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .hero__card {
    position: absolute;
    right: 0;
    bottom: 36px;
    width: 296px;
    margin-top: 0;
  }

  .page-home .tiers__body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 36px;
    align-items: start;
  }

  .page-home .tiers__figure {
    position: sticky;
    top: 104px;
  }

  .page-home .ranks__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 64px;
    align-items: start;
  }

  .page-home .start__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-home .hero__card {
    right: -8px;
    width: 312px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .hero__tilt,
  .page-home .tier__num,
  .page-home .round__time,
  .page-home .step__num {
    transform: none;
  }

  .page-home .tier,
  .page-home .rank,
  .page-home .rank__num {
    transition: none;
  }
}