.page-home {
  background: var(--paper-lift);
  color: var(--night);
  overflow-x: hidden;
}

/* ============ HERO ============ */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
  padding: clamp(34px, 6vw, 76px) 0 clamp(26px, 4vw, 46px);
}

.page-home .hero-tex {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .15;
  pointer-events: none;
}

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

.page-home .hero-grid,
.page-home .rail-wrap {
  position: relative;
  z-index: 1;
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 56px);
  align-items: start;
}

.page-home .hero-copy {
  padding: clamp(20px, 4vw, 40px) clamp(18px, 4vw, 44px);
  background: linear-gradient(140deg, rgba(46, 155, 143, .26), rgba(16, 28, 51, .04) 72%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 34px));
}

.page-home .kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--lake-pale);
}

.page-home .kicker .num {
  font-family: var(--font-mono);
}

.page-home .hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--paper);
  max-width: 18ch;
}

.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.82;
  color: rgba(244, 241, 232, .84);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-stack {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-home .stack-photo {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--hair-dark);
  background: var(--night-2);
}

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

.page-home .number-stack {
  display: grid;
  gap: 10px;
}

.page-home .num-card {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 14px 16px 13px;
  background: var(--paper);
  color: var(--night);
  border: 1px solid var(--edge);
  border-left: 5px solid var(--signal);
  box-shadow: var(--shadow-sheet);
  transition: transform .18s var(--ease);
}

.page-home .num-card--alt {
  border-left-color: var(--lake);
}

.page-home .num-card:hover {
  transform: translateY(-2px);
}

.page-home .num-card-no {
  margin: 0;
  display: inline-block;
  width: max-content;
  padding: 4px 10px 5px;
  background: var(--signal);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.page-home .num-card--alt .num-card-no {
  background: var(--lake);
}

.page-home .num-card-role {
  margin: 2px 0 0;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-home .num-card-state {
  margin: 0;
  font-size: 13px;
  color: var(--rock);
}

.page-home .num-card-meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clay);
}

/* 时间轴刻度 */
.page-home .rail-wrap {
  padding-top: clamp(26px, 5vw, 52px);
}

.page-home .season-rail {
  border-top: 1px solid var(--hair-dark);
  padding-top: 14px;
}

.page-home .rail-cap {
  margin: 0;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, .6);
}

.page-home .rail-line {
  position: relative;
  display: flex;
  gap: 3px;
  margin-top: 14px;
}

.page-home .rail-line::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--u13), var(--u14), var(--u15), var(--u16), var(--u17), var(--u19));
  opacity: .7;
}

.page-home .rail-node {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  padding: 5px 2px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lake-pale);
  background: var(--night-2);
  border: 1px solid var(--hair-dark);
}

.page-home .rail-node:last-child {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--paper);
}

/* ============ 通用章节 ============ */
.page-home .section {
  padding: clamp(50px, 8vw, 104px) 0;
}

.page-home .section--night {
  background: var(--night);
  color: var(--paper);
}

.page-home .section-head {
  display: grid;
  gap: 10px 26px;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-home .section-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(32px, 5.6vw, 54px);
  font-weight: 700;
  line-height: .9;
  color: var(--lake);
  opacity: .55;
}

.page-home .section--night .section-num {
  color: var(--lake-pale);
  opacity: .5;
}

.page-home .section-eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-home .section--night .section-eyebrow {
  color: var(--lake-pale);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.006em;
}

.page-home .section-lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
}

.page-home .section--night .section-lede {
  color: rgba(244, 241, 232, .78);
}

/* ============ 01 年龄段 ============ */
.page-home .age-section .filter-bar {
  margin: 0 0 22px;
}

.page-home .age-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .age-cell {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 18px 18px 20px 22px;
  background: var(--paper-lift);
  border: 1px solid var(--edge);
  border-left: 6px solid var(--lake);
  box-shadow: var(--shadow-sheet);
  transition: transform .18s var(--ease), background .18s var(--ease);
}

.page-home .age-cell:hover {
  transform: translateY(-2px);
  background: var(--paper);
}

.page-home .age-cell--u13 { border-left-color: var(--u13); }
.page-home .age-cell--u14 { border-left-color: var(--u14); }
.page-home .age-cell--u15 { border-left-color: var(--u15); }
.page-home .age-cell--u16 { border-left-color: var(--u16); }
.page-home .age-cell--u17 { border-left-color: var(--u17); }
.page-home .age-cell--u19 { border-left-color: var(--u19); }

.page-home .age-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--rock);
}

.page-home .age-figure {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 6px 0 0;
  color: var(--night);
}

.page-home .age-figure .num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
}

.page-home .age-unit {
  font-size: 14px;
  color: var(--rock);
}

.page-home .age-sub {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--night);
}

.page-home .age-sub .num {
  font-family: var(--font-mono);
}

.page-home .age-note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

/* ============ 02 号码 ============ */
.page-home .number-layout {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-home .number-photo {
  margin: 0;
}

.page-home .number-cases {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-home .case {
  padding: 20px 20px 22px;
  background: var(--night-2);
  border: 1px solid var(--hair-dark);
  border-top: 3px solid var(--lake);
}

.page-home .case h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper);
}

.page-home .case p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, .8);
}

/* ============ 03 场馆 ============ */
.page-home .venue-layout {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-home .venue-photo {
  margin: 0;
}

.page-home .venue-list {
  margin: 0;
  border-top: 1px solid var(--edge);
}

.page-home .venue-list > div {
  display: grid;
  gap: 6px;
  padding: 13px 0;
  border-bottom: 1px solid var(--edge);
}

.page-home .venue-list dt {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-home .venue-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--night);
}

.page-home .venue-list .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--moss);
}

/* ============ 04 版本 ============ */
.page-home .version-section {
  background: var(--night);
  color: var(--paper);
}

.page-home .version-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .version-item {
  padding: 20px 18px 22px;
  background: var(--night-2);
  border: 1px solid var(--hair-dark);
  border-left: 4px solid var(--lake);
}

.page-home .version-item:nth-child(3) {
  border-left-color: var(--signal);
}

.page-home .version-item:nth-child(4) {
  border-left-color: var(--clay);
}

.page-home .version-figure {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--lake-pale);
}

.page-home .version-item:nth-child(3) .version-figure {
  color: var(--signal);
}

.page-home .version-label {
  margin: 10px 0 0;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, .62);
}

.page-home .version-text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 241, 232, .82);
}

.page-home .version-source {
  margin: clamp(22px, 3vw, 34px) 0 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, .72);
}

.page-home .version-source a {
  color: var(--lake-pale);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 05 小屏 ============ */
.page-home .mobile-section {
  background: var(--paper);
}

.page-home .mobile-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-home .mobile-points {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .mobile-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--night);
}

.page-home .mobile-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

.page-home .phone {
  width: min(300px, 100%);
  margin-inline: auto;
  padding: 14px 14px 20px;
  background: var(--night);
  border: 6px solid var(--night-2);
  border-radius: 26px;
  color: var(--paper);
  box-shadow: 0 26px 54px -30px rgba(16, 28, 51, .75);
}

.page-home .phone-bar {
  margin: 0;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--hair-dark);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--lake-pale);
}

.page-home .phone-bar .num {
  font-family: var(--font-mono);
  color: var(--signal);
}

.page-home .phone-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dotted rgba(216, 210, 196, .22);
  font-size: 13px;
  color: rgba(244, 241, 232, .88);
}

.page-home .phone-row .num {
  font-family: var(--font-mono);
  color: var(--signal);
  flex: none;
}

.page-home .phone-axis {
  position: relative;
  height: 6px;
  margin-top: 16px;
  border-radius: 3px;
  background: rgba(216, 210, 196, .2);
  overflow: hidden;
}

.page-home .phone-axis span {
  position: absolute;
  inset: 0 34% 0 0;
  background: linear-gradient(90deg, var(--lake), var(--signal));
}

/* ============ 06 下一步 ============ */
.page-home .next-section {
  background: var(--night);
  color: var(--paper);
  padding-bottom: clamp(60px, 9vw, 120px);
}

.page-home .next-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .next-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px 20px;
  background: var(--night-2);
  border: 1px solid var(--hair-dark);
  border-top: 4px solid var(--lake);
  color: var(--paper);
  text-decoration: none;
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-home .next-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--signal);
  background: #21385B;
}

.page-home .next-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--lake-pale);
}

.page-home .next-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.25;
  color: var(--paper);
}

.page-home .next-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 241, 232, .78);
}

.page-home .next-go {
  margin-top: 4px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--signal);
}

/* ============ 响应式 ============ */
@media (min-width: 560px) {
  .page-home .number-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 620px) {
  .page-home .age-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .venue-list > div {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .page-home .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .version-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .section-head {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
  }

  .page-home .number-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-home .venue-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-home .mobile-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-home .hero-stack {
    margin-top: clamp(26px, 5vw, 70px);
  }

  .page-home .stack-photo {
    aspect-ratio: 3 / 4;
  }
}

@media (min-width: 1000px) {
  .page-home .age-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .num-card,
  .page-home .age-cell,
  .page-home .next-card {
    transition: none;
  }

  .page-home .num-card:hover,
  .page-home .age-cell:hover,
  .page-home .next-card:hover {
    transform: none;
  }
}
<<<END>>>