.page-home {
  --home-pad-y: clamp(52px, 8vh, 104px);
  --home-rail: 72px;
  display: block;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ============ 封面带 ============ */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  border-bottom: var(--line);
  padding: clamp(32px, 5.5vh, 68px) 0 clamp(38px, 6.5vh, 80px);
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 63px, rgba(34, 49, 94, 0.55) 63px 64px),
    repeating-linear-gradient(90deg, transparent 0 63px, rgba(34, 49, 94, 0.55) 63px 64px),
    linear-gradient(180deg, rgba(7, 11, 30, 0.72), rgba(7, 11, 30, 0.95));
}

.page-home .hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 36px);
}

.page-home .season-rail {
  display: none;
}

.page-home .rail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-home .rail-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 0 12px;
  border-left: var(--line);
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #4a588a;
}

.page-home .rail-list li:first-child {
  color: var(--volt);
}

.page-home .page-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 14px;
  font-size: 12.5px;
}

.page-home .hero-title {
  position: relative;
  display: inline-block;
  max-width: 17ch;
  margin: 0 0 20px;
  font-size: clamp(33px, 6.2vw, 78px);
  line-height: 1.08;
  transform: skewX(-4deg);
  transform-origin: left bottom;
  color: var(--text);
}

.page-home .hero-title::after {
  content: "";
  position: absolute;
  right: -3%;
  top: 6%;
  width: 44%;
  height: 88%;
  z-index: -1;
  background: linear-gradient(120deg, rgba(0, 229, 255, 0.2), rgba(255, 176, 32, 0.12));
  clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
  pointer-events: none;
}

.page-home .hero-lede {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 1px;
  background: var(--grid);
  border: var(--line);
}

.page-home .hero-stats .stat {
  background: rgba(16, 26, 60, 0.86);
  padding: 16px 18px 18px;
}

.page-home .hero-stats .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 3.8vw, 54px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-home .hero-stats .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-home .hero-inner {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
  }
  .page-home .season-rail {
    display: block;
  }
}

/* ============ 通用章节 ============ */
.page-home .section {
  padding: var(--home-pad-y) 0;
}

.page-home .section-head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-home .section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.22;
  transform: skewX(-3deg);
  transform-origin: left center;
  color: var(--text);
}

.page-home .section-lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
}

/* ============ 双栏对照 ============ */
.page-home .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: var(--line);
}

.page-home .split-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 2.4vw, 32px);
  background: var(--panel);
}

.page-home .split-col h3 {
  margin: 0;
  font-size: clamp(19px, 1.8vw, 25px);
  line-height: 1.3;
  color: var(--text);
}

.page-home .split-col p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .split-col .link-more {
  margin-top: auto;
  align-self: flex-start;
}

.page-home .split-col .media {
  margin: 4px 0 0;
}

.page-home .ticks {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: var(--line);
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: center;
}

.page-home .curve-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  font-size: 12.5px;
  color: var(--muted);
}

.page-home .curve-legend li::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 2px;
  margin-right: 7px;
  vertical-align: middle;
  background: var(--volt);
}

.page-home .curve-legend li:nth-child(2)::before {
  background: var(--volt-soft);
}

.page-home .curve-legend li:nth-child(3)::before {
  background: var(--amber);
}

.page-home .curve-legend li:nth-child(4)::before {
  background: var(--magenta);
}

@media (min-width: 900px) {
  .page-home .split {
    grid-template-columns: 38fr 62fr;
  }
}

/* ============ 索引带 ============ */
.page-home .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line);
}

.page-home .entry-list > li {
  border-bottom: var(--line);
}

.page-home .entry-row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 18px 6px 20px;
  text-decoration: none;
  transition: background var(--t-fast), padding-left var(--t-fast);
}

.page-home .entry-no {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--volt);
  padding-top: 3px;
}

.page-home .entry-name {
  font-size: 17.5px;
  font-weight: 600;
  color: var(--text);
}

.page-home .entry-desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .entry-row:hover,
.page-home .entry-row:focus-visible {
  background: rgba(0, 229, 255, 0.06);
  padding-left: 14px;
}

.page-home .entry-row:hover .entry-name {
  color: var(--volt);
}

@media (min-width: 820px) {
  .page-home .entry-row {
    grid-template-columns: 72px minmax(0, 230px) minmax(0, 1fr);
    align-items: baseline;
  }
  .page-home .entry-desc {
    grid-column: 3;
  }
}

/* ============ 赛季专题摘要 ============ */
.page-home .seasons {
  background:
    linear-gradient(180deg, rgba(16, 26, 60, 0.55), rgba(7, 11, 30, 0)),
    var(--ink);
}

.page-home .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .chip-row .chip[aria-pressed="true"] {
  border-color: var(--magenta);
  color: var(--text);
  background: rgba(255, 77, 141, 0.14);
}

.page-home .season-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 1.8vw, 22px);
}

.page-home .season-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: var(--line);
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.page-home .season-card:hover {
  border-color: var(--volt);
  background: #14204a;
  transform: translateY(-2px);
}

.page-home .season-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .season-flare {
  height: 96px;
  background:
    repeating-linear-gradient(115deg, transparent 0 14px, rgba(0, 229, 255, 0.14) 14px 16px),
    linear-gradient(180deg, rgba(0, 229, 255, 0.08), rgba(7, 11, 30, 0));
  border-bottom: var(--line);
}

.page-home .season-flare--amber {
  background:
    repeating-linear-gradient(115deg, transparent 0 14px, rgba(255, 176, 32, 0.14) 14px 16px),
    linear-gradient(180deg, rgba(255, 176, 32, 0.08), rgba(7, 11, 30, 0));
}

.page-home .season-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  padding: 18px 16px 20px;
}

.page-home .season-no {
  margin: 0;
  font-size: clamp(30px, 3.4vw, 46px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .season-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
}

.page-home .season-metrics li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 7px;
  border-bottom: 1px dashed rgba(34, 49, 94, 0.95);
}

.page-home .season-metrics .num {
  color: var(--text);
}

.page-home .season-body .link-more {
  margin-top: auto;
  align-self: flex-start;
}

@media (min-width: 640px) {
  .page-home .season-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

/* ============ 版本与转会期追踪 ============ */
.page-home .track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: var(--line);
}

.page-home .track-node {
  position: relative;
  background: var(--ink);
  padding: 22px 18px 26px;
}

.page-home .track-node.is-current {
  background: #0d1633;
  box-shadow: inset 3px 0 0 0 var(--amber);
}

.page-home .track-dot {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: 14px;
  background: var(--volt);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.14);
}

.page-home .track-node.is-current .track-dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.18);
}

.page-home .track-label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--volt);
}

.page-home .track-node.is-current .track-label {
  color: var(--amber);
}

.page-home .track-node p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .track-cta {
  margin: 22px 0 0;
}

@media (min-width: 860px) {
  .page-home .track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ============ 开始使用 ============ */
.page-home .start-section {
  border-top: var(--line);
}

.page-home .start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.8vw, 38px);
  align-items: start;
}

.page-home .start-main h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.22;
  transform: skewX(-3deg);
  transform-origin: left center;
  color: var(--text);
}

.page-home .start-main p {
  max-width: 62ch;
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .start-contact {
  border-left: 3px solid var(--amber);
}

.page-home .start-contact p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
}

.page-home .start-contact .contact-line a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.page-home .start-contact .contact-line a:hover {
  border-bottom-color: var(--volt);
}

.page-home .start-contact .contact-note {
  font-size: 13.5px;
  color: var(--muted);
}

.page-home .start-contact .link-more {
  margin-top: 4px;
  display: inline-block;
}

@media (min-width: 900px) {
  .page-home .start-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
  }
}

@media (max-width: 420px) {
  .page-home .hero-stats {
    grid-template-columns: minmax(0, 1fr);
  }
}