.page-home {
  --home-pad: clamp(1rem, 4vw, 2.75rem);
  --home-rhythm: clamp(3.25rem, 7vw, 6.5rem);
  --home-cut: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  --home-cut-sm: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  position: relative;
  background: var(--ink-900);
  color: var(--text);
  overflow-x: clip;
}

.page-home .section {
  position: relative;
  padding-block: var(--home-rhythm);
}

.page-home .section--alt {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(23, 195, 230, .07), transparent 58%),
    var(--ink-800);
}

.page-home .head {
  display: grid;
  gap: .5rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-home .head__num {
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--cyan);
  font-weight: 700;
}

.page-home .head__title {
  margin: 0;
  font-size: clamp(1.45rem, 4.4vw, 2.3rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-strong);
}

.page-home .head__note {
  margin: 0;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--text-dim);
}

@media (min-width: 860px) {
  .page-home .head {
    grid-template-columns: 3.25rem minmax(0, 1fr) minmax(0, 19rem);
    align-items: baseline;
    column-gap: clamp(1rem, 3vw, 2rem);
  }
  .page-home .head__note {
    text-align: right;
  }
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(2.5rem, 7vw, 5rem)) 0 clamp(3.5rem, 8vw, 6rem);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-home .hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .38;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .4) 68%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .4) 68%, transparent 100%);
}

.page-home .hero__wash {
  position: absolute;
  display: block;
  filter: blur(70px);
}

.page-home .hero__wash--cool {
  width: min(660px, 82vw);
  height: min(540px, 64vh);
  top: -18%;
  right: -14%;
  background: var(--grad-cool);
  clip-path: polygon(18% 0, 100% 12%, 82% 100%, 0 84%);
  opacity: .3;
}

.page-home .hero__wash--red {
  width: min(420px, 62vw);
  height: min(320px, 42vh);
  bottom: -16%;
  left: -12%;
  background: var(--grad-red);
  clip-path: polygon(0 18%, 88% 0, 100% 76%, 12% 100%);
  opacity: .2;
}

.page-home .hero__lines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(23, 195, 230, .1) 0 1px, transparent 1px 46px);
  opacity: .5;
}

.page-home .hero__inner {
  position: relative;
  display: grid;
  gap: 1.35rem;
}

.page-home .hero__kicker {
  margin: 0;
  color: var(--text-dim);
}

.page-home .hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(2rem, 7.2vw, 3.9rem);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -.025em;
  color: var(--text-strong);
}

.page-home .hero__accent {
  display: block;
  background: var(--grad-cool);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.page-home .hero__actions {
  margin-top: .25rem;
}

.page-home .hero__note {
  border-left: 2px solid var(--cyan);
  padding: .35rem 0 .35rem .9rem;
}

.page-home .hero__note p {
  margin: .25rem 0 0;
  font-size: .9rem;
  color: var(--text);
}

.page-home .hero__quick {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: 1rem 1.25rem;
  background: rgba(16, 22, 29, .9);
  border: 1px solid var(--line);
  clip-path: var(--home-cut);
  text-decoration: none;
  color: var(--text);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

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

.page-home .hero__quick-num {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-strong);
  letter-spacing: -.03em;
}

.page-home .hero__quick-text {
  font-size: .8125rem;
  line-height: 1.55;
  color: var(--text-dim);
}

@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 7.5fr) minmax(0, 4.5fr);
    column-gap: clamp(2rem, 5vw, 4.5rem);
    row-gap: 1.5rem;
  }
  .page-home .hero__kicker {
    grid-column: 1 / -1;
  }
  .page-home .hero__title {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
  }
  .page-home .hero__lede {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
  }
  .page-home .hero__actions {
    grid-column: 1 / 2;
    grid-row: 4 / 5;
  }
  .page-home .hero__note {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    align-self: end;
  }
  .page-home .hero__quick {
    grid-column: 2 / 3;
    grid-row: 3 / 4;
    align-self: start;
  }
}

/* ---------- 设备差异 ---------- */

.page-home .device {
  display: grid;
  gap: 1rem;
}

.page-home .device__col {
  display: grid;
  gap: .9rem;
  align-content: start;
  padding: clamp(1.1rem, 3vw, 1.85rem);
}

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

.page-home .device__name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--text-strong);
}

.page-home .device__lead,
.page-home .device__foot {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-home .device__foot {
  padding-top: .75rem;
  border-top: 1px solid var(--line-soft);
}

.page-home .path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
  counter-reset: pstep;
}

.page-home .path__step {
  position: relative;
  padding-left: 2.2rem;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--text);
  counter-increment: pstep;
}

.page-home .path__step::before {
  content: counter(pstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .02rem;
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--cyan);
  border: 1px solid var(--line);
  clip-path: var(--home-cut-sm);
}

.page-home .brief {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-home .brief li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--text);
}

.page-home .brief li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62rem;
  width: .5rem;
  height: 2px;
  background: var(--cyan);
}

.page-home .brief--warm li::before {
  background: var(--gold);
}

@media (min-width: 900px) {
  .page-home .device {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: 1.25rem;
    align-items: start;
  }
  .page-home .device__col--mobile {
    margin-top: 3.5rem;
  }
}

/* ---------- 回放 ---------- */

.page-home .replay {
  display: grid;
  gap: 1.75rem;
}

.page-home .replay__body {
  display: grid;
  gap: 1.1rem;
  align-content: start;
}

.page-home .replay__body .label-micro {
  margin: 0;
  color: var(--text-dim);
}

.page-home .days {
  list-style: none;
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: 0 0 1rem;
  border-bottom: 1px solid var(--line-soft);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .days__item {
  flex: 0 0 auto;
  padding: .42rem .72rem;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--text-dim);
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: var(--home-cut-sm);
}

.page-home .days__item--now {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-home .replay__block h3 {
  margin: 0 0 .35rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--text-strong);
}

.page-home .replay__block p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--text);
}

@media (min-width: 900px) {
  .page-home .replay {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    column-gap: clamp(1.5rem, 4vw, 3.25rem);
    align-items: center;
  }
}

/* ---------- 房间人数 ---------- */

.page-home .rooms__intro {
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text);
}

.page-home .rooms {
  gap: 1rem;
}

.page-home .room {
  position: relative;
  display: grid;
  gap: .45rem;
  align-content: start;
  padding: 1.2rem;
  overflow: hidden;
  transition: transform .3s var(--ease);
}

.page-home .room:hover {
  transform: translateY(-3px);
}

.page-home .room__num {
  margin: 0;
  font-size: clamp(2rem, 6vw, 2.7rem);
  font-weight: 700;
  line-height: 1;
  color: var(--text-strong);
  letter-spacing: -.04em;
}

.page-home .room__num small {
  margin-left: .3rem;
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0;
}

.page-home .room__h {
  margin: .35rem 0 0;
  font-size: .98rem;
  font-weight: 800;
  color: var(--text-strong);
}

.page-home .room__p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-home .rooms__cta {
  margin-top: 1.5rem;
}

/* ---------- 段位 ---------- */

.page-home .rank {
  display: grid;
  gap: 1.75rem;
}

.page-home .rank__visual {
  position: relative;
  isolation: isolate;
  justify-self: center;
  width: min(100%, 360px);
}

.page-home .rank__visual::before {
  content: "";
  position: absolute;
  inset: -14%;
  z-index: -1;
  background: radial-gradient(circle at 50% 50%, rgba(255, 176, 32, .22), transparent 62%);
  filter: blur(22px);
}

.page-home .rank__body {
  display: grid;
  gap: 1.1rem;
  align-content: start;
}

.page-home .rank__lead {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text);
}

.page-home .ladder {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
}

.page-home .ladder__step {
  padding: .45rem .8rem;
  font-size: .8rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: var(--home-cut-sm);
}

.page-home .ladder__step--now {
  background: var(--grad-warm);
  border-color: transparent;
  color: var(--ink-900);
  font-weight: 800;
}

@media (min-width: 900px) {
  .page-home .rank {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: center;
  }
}

/* ---------- 教程 ---------- */

.page-home .tracks {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-home .track-card {
  display: grid;
  gap: .5rem;
  align-content: start;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  position: relative;
}

.page-home .track-card__idx {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-home .track-card__h {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-strong);
}

.page-home .track-card__p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--text);
}

.page-home .track-card__meta {
  margin: .35rem 0 0;
  padding-top: .75rem;
  border-top: 1px solid var(--line-soft);
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--text-dim);
}

@media (min-width: 780px) {
  .page-home .tracks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 版本时间轴 ---------- */

.page-home .timeline__h {
  margin: .4rem 0 .35rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-strong);
}

.page-home .timeline__p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-home .section--versions .btn-row {
  margin-top: 1.75rem;
}

/* ---------- 客服 ---------- */

.page-home .support {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.35rem, 4vw, 2.5rem);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(225, 29, 46, .12), transparent 58%),
    var(--panel);
  border: 1px solid var(--line);
}

.page-home .support__h {
  margin: .5rem 0 .85rem;
  font-size: clamp(1.3rem, 4vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-strong);
}

.page-home .support__p {
  margin: 0 0 .75rem;
  max-width: 52ch;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text);
}

.page-home .support__list {
  margin: 0 0 1.25rem;
  display: grid;
  gap: .9rem;
}

.page-home .support__row {
  display: grid;
  gap: .25rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-home .support__row dt {
  margin: 0;
  color: var(--text-dim);
}

.page-home .support__row dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--text-strong);
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-home .support {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__quick,
  .page-home .room {
    transition: none;
  }
  .page-home .hero__quick:hover,
  .page-home .hero__quick:focus-visible,
  .page-home .room:hover {
    transform: none;
  }
}