.page-home {
  --ph-cut: 20px;
  background: var(--ink);
  color: var(--bone);
  overflow-x: hidden;
}

/* ---------- 通用块 ---------- */
.page-home .ph-head {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
  display: grid;
  gap: 16px;
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 52px);
}
@media (min-width: 880px) {
  .page-home .ph-head {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 40px;
  }
}
.page-home .ph-head--tight {
  margin-bottom: clamp(22px, 3vw, 36px);
}
.page-home .ph-head__note {
  margin: 0;
  color: var(--grey);
  font-size: 15px;
  line-height: 1.75;
  max-width: 34em;
}
.page-home .ph-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
}
.page-home h2 {
  margin: 0;
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--bone);
}
.page-home h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--bone);
}
.page-home p {
  line-height: 1.78;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: min(94svh, 900px);
  padding: calc(var(--header-h) + clamp(38px, 6vw, 88px)) 0 clamp(52px, 7vw, 100px);
}
.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-home .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.5);
}
.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(115% 85% at 84% 14%, rgba(25, 245, 198, 0.16), transparent 58%),
    linear-gradient(98deg, rgba(4, 33, 28, 0.97) 3%, rgba(4, 33, 28, 0.78) 46%, rgba(7, 51, 42, 0.4) 100%);
}
.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 190px;
  z-index: -1;
  background: linear-gradient(0deg, var(--ink), transparent);
}
.page-home .hero__inner {
  position: relative;
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
  display: grid;
  gap: clamp(38px, 5vw, 64px);
  align-items: end;
}
@media (min-width: 1040px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.85fr);
  }
}
.page-home .hero__kicker {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}
.page-home .hero__title {
  margin: 0;
  font-weight: 900;
  font-size: clamp(46px, 12.4vw, 148px);
  line-height: 0.9;
  letter-spacing: -0.035em;
}
.page-home .hero__title span {
  display: block;
  color: var(--bone);
}
.page-home .hero__title em {
  display: block;
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: clamp(1.5px, 0.26vw, 3px) var(--neon);
  paint-order: stroke fill;
}
.page-home .hero__lead {
  margin: clamp(22px, 3vw, 34px) 0 0;
  max-width: 36em;
  font-size: clamp(16px, 1.5vw, 18px);
  color: rgba(234, 246, 242, 0.9);
}
.page-home .hero__paths {
  display: grid;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
}
@media (min-width: 620px) {
  .page-home .hero__paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-home .path-card {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 20px 22px 22px;
  text-decoration: none;
  color: var(--bone);
  background: rgba(7, 51, 42, 0.72);
  border: 1px solid var(--hairline);
  clip-path: polygon(0 0, calc(100% - var(--ph-cut)) 0, 100% var(--ph-cut), 100% 100%, var(--ph-cut) 100%, 0 calc(100% - var(--ph-cut)));
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}
.page-home .path-card:hover {
  transform: translateY(-3px);
  border-color: rgba(25, 245, 198, 0.6);
  background: rgba(11, 74, 60, 0.85);
}
.page-home .path-card--primary {
  background: rgba(11, 74, 60, 0.9);
  border-color: rgba(25, 245, 198, 0.34);
}
.page-home .path-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grey);
}
.page-home .path-card__name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.page-home .path-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--grey);
  padding-right: 30px;
}
.page-home .path-card__go {
  position: absolute;
  right: 20px;
  bottom: 20px;
  font-size: 18px;
  color: var(--amber);
  transition: transform 0.22s ease;
}
.page-home .path-card:hover .path-card__go {
  transform: translateX(4px);
}

/* 首屏悬浮卡片 */
.page-home .hero-board {
  position: relative;
  padding: 22px 22px 20px;
  background: linear-gradient(165deg, rgba(11, 74, 60, 0.94), rgba(4, 33, 28, 0.98));
  border: 1px solid rgba(25, 245, 198, 0.26);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9);
}
@media (min-width: 1040px) {
  .page-home .hero-board {
    transform: translate(clamp(14px, 3.4vw, 54px), clamp(0px, 1.6vw, 22px));
  }
}
.page-home .hero-board__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.page-home .hero-board__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--neon);
  padding: 4px 10px;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.page-home .hero-board__time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}
.page-home .hero-board__league {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}
.page-home .hero-board__title {
  margin: 8px 0 18px;
  font-size: clamp(18px, 1.8vw, 21px);
  font-weight: 700;
  line-height: 1.42;
}
.page-home .hero-board__stats {
  list-style: none;
  margin: 0 0 18px;
  padding: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  border-top: 1px solid var(--hairline);
}
.page-home .hero-board__stats li {
  display: grid;
  gap: 4px;
}
.page-home .hero-board__stats span {
  font-size: 12px;
  color: var(--grey);
}
.page-home .hero-board__stats b {
  font-family: var(--font-mono);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  color: var(--bone);
}
.page-home .hero-board__link {
  display: inline-block;
  font-size: 14px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.4);
  padding-bottom: 2px;
}
.page-home .hero-board__link:hover {
  border-bottom-color: var(--amber);
}

/* ---------- 联赛覆盖带 ---------- */
.page-home .ph-leagues {
  position: relative;
  padding: clamp(56px, 7.5vw, 108px) 0 clamp(48px, 6vw, 84px);
  background: var(--ink-2);
}
.page-home .ph-leagues::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon) 20%, var(--lime) 62%, transparent);
  opacity: 0.7;
}
.page-home .league-strip {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-home .league-strip::-webkit-scrollbar {
  height: 4px;
}
.page-home .league-strip::-webkit-scrollbar-thumb {
  background: rgba(25, 245, 198, 0.35);
}
.page-home .league {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: clamp(180px, 22vw, 224px);
  display: grid;
  gap: 6px;
  padding: 18px 20px 20px;
  text-decoration: none;
  color: var(--bone);
  background: linear-gradient(162deg, rgba(11, 74, 60, 0.6), rgba(4, 33, 28, 0.94));
  border: 1px solid var(--hairline);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}
.page-home .league:hover {
  transform: translateY(-4px);
  border-color: var(--neon);
  background: linear-gradient(162deg, rgba(11, 74, 60, 0.9), rgba(4, 33, 28, 0.98));
}
.page-home .league--lime {
  border-color: rgba(201, 255, 94, 0.28);
}
.page-home .league--lime:hover {
  border-color: var(--lime);
}
.page-home .league__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--neon);
}
.page-home .league--lime .league__code {
  color: var(--lime);
}
.page-home .league__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.page-home .league__meta {
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 轮次时间轴 ---------- */
.page-home .ph-rounds {
  position: relative;
  padding: clamp(56px, 7.5vw, 112px) 0;
  background: var(--ink);
}
.page-home .ph-rounds__grid {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
  display: grid;
  gap: clamp(34px, 4.5vw, 64px);
  align-items: start;
}
@media (min-width: 900px) {
  .page-home .ph-rounds__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  }
}
.page-home .ph-rounds__figure {
  margin: 0;
  position: relative;
}
.page-home .ph-rounds__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 1280;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.72);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 58px), calc(100% - 58px) 100%, 0 100%);
}
@media (max-width: 899px) {
  .page-home .ph-rounds__figure img {
    aspect-ratio: 3 / 2;
    max-height: 340px;
  }
}
.page-home .ph-rounds__figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
  padding-left: 14px;
  border-left: 2px solid var(--neon);
}
.page-home .ph-rounds__intro {
  margin: 0 0 clamp(26px, 3.4vw, 40px);
  max-width: 38em;
  color: rgba(234, 246, 242, 0.82);
}
.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-home .steps::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 16px;
  bottom: 44px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon), rgba(25, 245, 198, 0.06));
}
.page-home .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 28px;
}
.page-home .steps__item:last-child {
  padding-bottom: 0;
}
.page-home .steps__idx {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--neon);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.page-home .steps__item p {
  margin: 0;
  font-size: 15px;
  color: var(--grey);
}

/* ---------- 多端观看 ---------- */
.page-home .ph-multi {
  padding: clamp(56px, 7.5vw, 108px) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
}
.page-home .ph-multi__shell {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
  display: grid;
  gap: clamp(34px, 4.5vw, 60px);
  align-items: center;
}
@media (min-width: 940px) {
  .page-home .ph-multi__shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}
.page-home .ph-multi__copy p {
  margin: 16px 0 0;
  max-width: 36em;
  color: rgba(234, 246, 242, 0.84);
}
.page-home .ph-facts {
  list-style: none;
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-home .ph-facts li {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(11, 74, 60, 0.9);
}
.page-home .ph-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-home .ph-facts b {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 18px);
  font-variant-numeric: tabular-nums;
  color: var(--neon);
  letter-spacing: -0.01em;
}
.page-home .ph-facts span {
  font-size: 15px;
  line-height: 1.72;
  color: var(--grey);
}
.page-home .ph-multi__figure {
  margin: 0;
  position: relative;
}
.page-home .ph-multi__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.85);
  clip-path: polygon(28px 0, 100% 0, 100% 100%, 0 100%, 0 28px);
}
.page-home .ph-multi__figure::after {
  content: "";
  position: absolute;
  inset: auto 0 0 auto;
  width: 52%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--neon));
}

/* ---------- 场景分叉 ---------- */
.page-home .ph-split {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(60px, 8vw, 124px) 0;
}
.page-home .ph-split__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-home .ph-split__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.45) brightness(0.42);
}
.page-home .ph-split::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(4, 33, 28, 0.94), rgba(16, 20, 24, 0.96));
}
.page-home .ph-split__shell {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
}
.page-home .ph-split__shell h2 {
  max-width: 20em;
}
.page-home .ph-split__cards {
  margin-top: clamp(30px, 4vw, 52px);
  display: grid;
  gap: 18px;
}
@media (min-width: 820px) {
  .page-home .ph-split__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}
.page-home .split-card {
  padding: clamp(24px, 3vw, 36px);
  background: rgba(7, 51, 42, 0.86);
  border: 1px solid var(--hairline);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-home .split-card--amber {
  background: rgba(4, 33, 28, 0.9);
  border-color: rgba(255, 122, 47, 0.32);
}
.page-home .split-card__tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--neon);
  padding: 4px 10px;
  border: 1px solid rgba(25, 245, 198, 0.35);
}
.page-home .split-card--amber .split-card__tag {
  color: var(--amber);
  border-color: rgba(255, 122, 47, 0.42);
}
.page-home .split-card p {
  margin: 0;
  font-size: 15px;
  color: rgba(234, 246, 242, 0.82);
  max-width: 34em;
}
.page-home .split-card .btn {
  justify-self: start;
  margin-top: 6px;
}

/* ---------- 数据面板 ---------- */
.page-home .ph-metrics {
  padding: clamp(56px, 7vw, 104px) 0;
  background: var(--black);
}
.page-home .metric-rail {
  display: grid;
  gap: 1px;
  background: rgba(11, 74, 60, 0.9);
  border: 1px solid rgba(11, 74, 60, 0.9);
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
}
.page-home .metric {
  background: var(--black);
  padding: clamp(22px, 2.6vw, 32px) clamp(18px, 2.2vw, 26px);
  display: grid;
  align-content: start;
  gap: 6px;
  position: relative;
  transition: background 0.24s ease;
}
.page-home .metric::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--neon);
  transition: height 0.4s ease;
}
.page-home .metric:hover {
  background: #0b1014;
}
.page-home .metric:hover::before {
  height: 100%;
}
.page-home .metric__value {
  font-family: var(--font-mono);
  font-size: clamp(34px, 4.4vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}
.page-home .metric__value em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--lime);
  margin-left: 2px;
}
.page-home .metric__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}
.page-home .metric__label {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--grey);
}

/* ---------- 下一步 ---------- */
.page-home .ph-next {
  padding: clamp(56px, 7vw, 108px) 0 clamp(64px, 8vw, 120px);
  background: var(--ink);
}
.page-home .ph-next__grid {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
  display: grid;
  gap: 18px;
}
@media (min-width: 860px) {
  .page-home .ph-next__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 24px;
  }
}
.page-home .next-card {
  padding: clamp(26px, 3.2vw, 40px);
  background: linear-gradient(158deg, rgba(11, 74, 60, 0.55), rgba(4, 33, 28, 0.96));
  border: 1px solid var(--hairline);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-home .next-card--coop {
  background: linear-gradient(158deg, rgba(255, 122, 47, 0.14), rgba(4, 33, 28, 0.97) 58%);
  border-color: rgba(255, 122, 47, 0.3);
}
.page-home .next-card p {
  margin: 0;
  font-size: 15px;
  color: rgba(234, 246, 242, 0.82);
  max-width: 36em;
}
.page-home .next-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .path-card,
  .page-home .league,
  .page-home .metric,
  .page-home .path-card__go {
    transition: none;
  }
  .page-home .path-card:hover,
  .page-home .league:hover {
    transform: none;
  }
}
<<<END>>>