.page-home {
  --home-soft: rgba(244, 241, 234, 0.72);
  --home-dim: rgba(244, 241, 234, 0.58);
  --home-line: rgba(244, 241, 234, 0.16);
  display: block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: 40px 0 72px;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(70% 60% at 94% 4%, rgba(200, 16, 46, 0.34), transparent 64%),
    radial-gradient(58% 52% at 0% 98%, rgba(59, 42, 107, 0.42), transparent 62%);
}

.page-home .home-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 46px;
}

.page-home .home-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ash);
}

.page-home .home-title {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 10vw, 108px);
  line-height: 0.96;
  letter-spacing: -0.015em;
  display: grid;
}

.page-home .home-title__heavy {
  display: block;
  font-weight: 800;
  color: var(--paper);
}

.page-home .home-title__thin {
  display: block;
  font-weight: 300;
  color: rgba(244, 241, 234, 0.86);
}

.page-home .home-lede {
  margin: 26px 0 0;
  max-width: 34ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--home-soft);
}

.page-home .home-index {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  max-width: 430px;
  border-top: 1px solid var(--home-line);
}

.page-home .home-index__item {
  display: flex;
  align-items: stretch;
  gap: 14px;
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-index__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--neon);
  padding-block: 15px;
}

.page-home .home-index__link {
  flex: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 0;
  font-size: 16px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-home .home-index__link::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ash);
  transition: transform var(--t-base) var(--ease), color var(--t-base) var(--ease);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  color: var(--neon);
}

.page-home .home-index__link:hover::after,
.page-home .home-index__link:focus-visible::after {
  transform: translateX(5px);
  color: var(--neon);
}

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

.page-home .home-hero__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
  background: linear-gradient(160deg, var(--blue-deep), var(--ink) 72%);
}

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

.page-home .home-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(11, 12, 15, 0.06), rgba(11, 12, 15, 0.6)),
    repeating-linear-gradient(118deg, rgba(244, 241, 234, 0.06) 0 1px, transparent 1px 16px);
}

.page-home .home-snap {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 6px;
  margin: -48px 0 0;
  max-width: 268px;
  padding: 18px 20px;
  background: var(--paper);
  color: var(--ink);
  border-left: 4px solid var(--rosso);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
}

.page-home .home-snap .label {
  color: var(--rosso);
  border-color: rgba(200, 16, 46, 0.45);
}

.page-home .home-snap__num {
  font-size: clamp(40px, 9vw, 56px);
  line-height: 1;
  color: var(--rosso);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.page-home .home-snap__plus {
  font-size: 0.55em;
  vertical-align: super;
}

.page-home .home-snap__meta {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(11, 12, 15, 0.68);
}

/* ---------- 通用章节标题 ---------- */

.page-home .home-catalog,
.page-home .home-round,
.page-home .home-youth,
.page-home .home-mobile,
.page-home .home-scale,
.page-home .home-cta {
  position: relative;
  padding: 72px 0;
}

.page-home .home-sechead {
  max-width: 760px;
}

.page-home .home-sechead__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 4.4vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.008em;
  color: var(--paper);
}

.page-home .home-sechead__lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-soft);
}

/* ---------- 四条主线 ---------- */

.page-home .home-catalog {
  background: var(--graphite);
}

.page-home .catalog {
  margin: 46px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(244, 241, 234, 0.26);
}

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

.page-home .catalog__link {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 24px 2px 24px 16px;
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-home .catalog__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16%;
  bottom: 16%;
  width: 3px;
  background: var(--rosso);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform var(--t-base) var(--ease);
}

.page-home .catalog__link:hover,
.page-home .catalog__link:focus-visible {
  transform: translateY(-3px);
  background: rgba(244, 241, 234, 0.05);
}

.page-home .catalog__link:hover::before,
.page-home .catalog__link:focus-visible::before {
  transform: scaleY(1);
}

.page-home .catalog__num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ash);
}

.page-home .catalog__main {
  display: grid;
  gap: 8px;
}

.page-home .catalog__title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
}

.page-home .catalog__desc {
  font-size: 15px;
  line-height: 1.72;
  color: var(--home-dim);
  max-width: 54ch;
}

.page-home .catalog__arrow {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--ash);
  transition: transform var(--t-base) var(--ease), color var(--t-base) var(--ease);
}

.page-home .catalog__link:hover .catalog__arrow,
.page-home .catalog__link:focus-visible .catalog__arrow {
  transform: translateX(5px);
  color: var(--neon);
}

/* ---------- 本轮速览 ---------- */

.page-home .home-round {
  background: var(--blue-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.4vw), 0 100%);
  padding-bottom: calc(72px + 2.4vw);
}

.page-home .round-grid {
  display: grid;
  gap: 40px;
  margin-top: 46px;
}

.page-home .round-figure {
  margin: 0;
}

.page-home .round-media {
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 93% 100%, 0 100%);
  background: linear-gradient(150deg, rgba(43, 76, 140, 0.5), var(--ink));
}

.page-home .round-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  max-width: 100%;
  object-fit: cover;
}

.page-home .round-figure__cap {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 241, 234, 0.58);
}

.page-home .timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon), rgba(43, 76, 140, 0.2));
}

.page-home .timeline__item {
  position: relative;
  padding: 0 0 28px 30px;
}

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

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--blue-deep);
  border: 2px solid var(--neon);
  transition: background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-home .timeline__item:hover::before,
.page-home .timeline__item:focus-within::before {
  background: var(--neon);
  transform: scale(1.2);
}

.page-home .timeline__step {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(184, 255, 60, 0.78);
}

.page-home .timeline__title {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--paper);
}

.page-home .timeline__text {
  margin: 8px 0 0;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--home-soft);
}

/* ---------- 青训刻度 ---------- */

.page-home .home-youth {
  background: var(--teal);
}

.page-home .youth-banner {
  margin: 44px 0 0;
}

.page-home .youth-banner__media {
  overflow: hidden;
  aspect-ratio: 9 / 7;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  background: linear-gradient(150deg, rgba(184, 255, 60, 0.12), var(--ink));
}

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

.page-home .youth-banner__cap {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 241, 234, 0.62);
}

.page-home .youth-curve {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 34px;
  overflow: visible;
}

.page-home .youth-curve__grid line {
  stroke: rgba(244, 241, 234, 0.1);
  stroke-width: 1;
}

.page-home .youth-curve__area {
  fill: rgba(184, 255, 60, 0.09);
}

.page-home .youth-curve__line {
  fill: none;
  stroke: var(--neon);
  stroke-width: 3;
  stroke-linecap: round;
}

.page-home .youth-curve__point {
  cursor: default;
  outline: none;
}

.page-home .youth-curve__point circle {
  fill: var(--teal);
  stroke: var(--neon);
  stroke-width: 2.5;
  transition: fill var(--t-fast) var(--ease);
}

.page-home .youth-curve__point:hover circle,
.page-home .youth-curve__point:focus circle {
  fill: var(--neon);
}

.page-home .youth-curve__age {
  fill: var(--paper);
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.06em;
  text-anchor: middle;
}

.page-home .youth-curve__hint {
  fill: var(--neon);
  font-family: var(--font-body);
  font-size: 13px;
  text-anchor: middle;
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease);
}

.page-home .youth-curve__point:hover .youth-curve__hint,
.page-home .youth-curve__point:focus .youth-curve__hint {
  opacity: 1;
}

.page-home .youth-ages {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  border-top: 1px solid var(--home-line);
}

.page-home .youth-age {
  padding: 20px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .youth-age__code {
  display: block;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-home .youth-age__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--home-soft);
}

/* ---------- 移动端 ---------- */

.page-home .home-mobile {
  background: var(--indigo);
}

.page-home .mobile-grid {
  display: grid;
  gap: 40px;
  margin-top: 44px;
}

.page-home .mobile-figure {
  margin: 0;
}

.page-home .mobile-figure__media {
  overflow: hidden;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  aspect-ratio: 3 / 4;
  border: 1px solid rgba(244, 241, 234, 0.24);
  border-radius: 26px;
  background: linear-gradient(180deg, var(--blue-deep), var(--ink));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

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

.page-home .mobile-feats {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-home .mobile-feat {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 14px;
  padding-top: 20px;
  border-top: 1px solid var(--home-line);
}

.page-home .mobile-feat__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(184, 255, 60, 0.8);
  padding-top: 4px;
}

.page-home .mobile-feat__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .mobile-feat__text {
  grid-column: 2 / -1;
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--home-soft);
}

/* ---------- 数据规模 ---------- */

.page-home .home-scale {
  background: var(--ink);
}

.page-home .scale-grid {
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .scale-cell {
  margin: 0;
  padding: 24px 18px;
  background: var(--ink);
}

.page-home .scale-cell--lead {
  grid-column: span 2;
  background: linear-gradient(148deg, rgba(122, 18, 36, 0.55), var(--ink) 72%);
}

.page-home .scale-cell__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ash);
}

.page-home .scale-cell__val {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.8vw, 46px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-home .scale-cell--lead .scale-cell__val {
  color: var(--gold);
}

.page-home .scale-cell__val span {
  font-size: 0.5em;
  vertical-align: super;
  color: var(--neon);
}

.page-home .scale-cell--lead .scale-cell__val span {
  color: var(--gold);
}

.page-home .scale-cell__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--home-dim);
}

/* ---------- 订阅与合作 ---------- */

.page-home .home-cta {
  background: var(--wine);
  padding: 60px 0;
}

.page-home .home-cta__inner {
  display: grid;
  gap: 28px;
}

.page-home .home-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.9vw, 40px);
  line-height: 1.2;
  color: var(--paper);
}

.page-home .home-cta__text {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 241, 234, 0.82);
}

.page-home .home-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .youth-ages {
    grid-template-columns: repeat(5, 1fr);
    border-bottom: 1px solid var(--home-line);
  }

  .page-home .youth-age {
    padding: 22px 18px;
    border-bottom: none;
    border-right: 1px solid var(--home-line);
  }

  .page-home .youth-age:last-child {
    border-right: none;
  }
}

@media (min-width: 920px) {
  .page-home .home-hero {
    padding: 56px 0 100px;
  }

  .page-home .home-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: start;
  }

  .page-home .home-title {
    font-size: clamp(64px, 8.2vw, 108px);
  }

  .page-home .home-lede {
    font-size: 19px;
    max-width: 32ch;
  }

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

  .page-home .home-snap {
    position: absolute;
    left: 0;
    bottom: 6%;
    margin: 0;
    min-width: 240px;
    max-width: 272px;
  }

  .page-home .home-catalog,
  .page-home .home-round,
  .page-home .home-youth,
  .page-home .home-mobile,
  .page-home .home-scale {
    padding: 100px 0;
  }

  .page-home .home-round {
    padding-bottom: calc(100px + 2.4vw);
  }

  .page-home .home-cta {
    padding: 78px 0;
  }

  .page-home .catalog__link {
    gap: 24px;
    padding: 28px 4px 28px 20px;
  }

  .page-home .catalog__title {
    font-size: 22px;
  }

  .page-home .round-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: start;
    margin-top: 54px;
  }

  .page-home .mobile-grid {
    grid-template-columns: 5fr 7fr;
    gap: 64px;
    align-items: center;
    margin-top: 48px;
  }

  .page-home .mobile-figure__media {
    margin: 0;
    max-width: 340px;
  }

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

  .page-home .scale-cell {
    padding: 28px 24px;
  }

  .page-home .scale-cell--lead {
    grid-column: span 2;
  }

  .page-home .home-cta__inner {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: center;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .home-index__link,
  .page-home .home-index__link::after,
  .page-home .catalog__link,
  .page-home .catalog__link::before,
  .page-home .catalog__arrow,
  .page-home .timeline__item::before,
  .page-home .youth-curve__point circle,
  .page-home .youth-curve__hint {
    transition: none;
  }
}