.page-home {
  --home-line: rgba(11, 47, 79, 0.14);
  --home-line-light: rgba(185, 203, 216, 0.28);
  background: var(--c-mist);
  color: var(--c-graphite);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-home .container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-home .sec {
  padding-block: clamp(52px, 8vw, 96px);
}

.page-home .sec--tint {
  background: var(--c-shallow);
}

.page-home .sec-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .marker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--c-tide);
}

.page-home .marker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--c-coral);
}

.page-home h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--c-deep);
}

.page-home .sec-lede {
  margin: 0;
  max-width: 46em;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.8;
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(34px, 5vw, 64px) clamp(48px, 7vw, 92px);
  background: var(--c-deep);
  color: var(--c-mist);
}

.page-home .hero-wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(47, 227, 193, 0.2), transparent 62%),
    radial-gradient(100% 80% at 8% 98%, rgba(255, 107, 74, 0.22), transparent 60%);
}

.page-home .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "copy" "visual" "float";
  gap: clamp(22px, 4.5vw, 38px);
  align-items: start;
}

.page-home .hero-copy {
  grid-area: copy;
}

.page-home .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-aqua);
}

.page-home .hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-aqua);
  box-shadow: 0 0 0 4px rgba(47, 227, 193, 0.18);
}

.page-home h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--c-white);
}

.page-home .hero-lede {
  margin: 0;
  max-width: 32em;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.8;
  color: rgba(245, 250, 252, 0.82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .hero-index {
  list-style: none;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--home-line-light);
}

.page-home .hero-index li {
  border-bottom: 1px solid var(--home-line-light);
}

.page-home .hero-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 2px;
  font-size: 15px;
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-home .hero-index a:hover,
.page-home .hero-index a:focus-visible {
  color: var(--c-aqua);
  padding-left: 10px;
}

.page-home .hero-index .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-aqua);
}

.page-home .hero-visual {
  grid-area: visual;
  margin: 0;
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--home-line-light);
  clip-path: polygon(0 0, 100% 0, 100% 91%, 0 100%);
}

.page-home .hero-visual figcaption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(245, 250, 252, 0.6);
}

.page-home .hero-float {
  grid-area: float;
  display: grid;
  gap: 6px;
  margin-top: -16px;
  padding: 16px 18px;
  max-width: 380px;
  background: var(--c-mist);
  color: var(--c-deep);
  border-left: 3px solid var(--c-coral);
  border-radius: var(--radius-s) var(--radius-m) var(--radius-m) var(--radius-s);
  box-shadow: var(--shadow-2);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .hero-float:hover,
.page-home .hero-float:focus-visible {
  transform: translateY(-3px);
}

.page-home .hero-float-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-coral);
}

.page-home .hero-float-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink);
}

/* ---------- 入口矩阵 ---------- */
.page-home .entry .container {
  position: relative;
}

.page-home .entry-flow {
  display: none;
  width: 380px;
  height: 114px;
  color: var(--c-aqua);
  position: absolute;
  top: 2px;
  right: var(--gutter);
  pointer-events: none;
}

.page-home .entry-bar,
.page-home .axis-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--c-line);
}

.page-home .tab {
  appearance: none;
  padding: 10px 18px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: transparent;
  color: var(--c-tide);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .tab:hover {
  border-color: var(--c-line-strong);
  color: var(--c-deep);
}

.page-home .tab.is-active {
  background: var(--c-deep);
  border-color: var(--c-deep);
  color: var(--c-mist);
}

.page-home .tab:focus-visible {
  outline: 2px solid var(--c-aqua);
  outline-offset: 2px;
}

.page-home .entry-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 22px);
}

.page-home .entry-panel[hidden],
.page-home .axis-panel[hidden] {
  display: none;
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--c-aqua);
  box-shadow: var(--shadow-2);
}

.page-home .entry-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-coral);
}

.page-home .entry-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.3;
  color: var(--c-deep);
}

.page-home .entry-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-home .entry-link {
  margin-top: auto;
  padding-top: 8px;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 74, 0.4);
}

.page-home .entry-link:hover,
.page-home .entry-link:focus-visible {
  color: var(--c-deep);
  border-bottom-color: var(--c-deep);
}

.page-home .entry-card--media {
  padding-top: 0;
}

.page-home .entry-figure {
  margin: 0 calc(-1 * clamp(18px, 2.6vw, 26px)) 6px;
}

.page-home .entry-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-m) var(--radius-m) 0 0;
}

/* ---------- 赛事双轴 ---------- */
.page-home .axis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .axis-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

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

.page-home .axis-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: center;
  padding: 15px 4px;
  color: var(--c-deep);
  text-decoration: none;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-home .axis-list a:hover,
.page-home .axis-list a:focus-visible {
  background: rgba(47, 227, 193, 0.16);
  padding-left: 12px;
}

.page-home .axis-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-home .axis-meta {
  grid-column: 1 / -1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-home .axis-arrow {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-coral);
}

.page-home .axis-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-aqua);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-home .axis-figure {
  margin: 0 0 20px;
}

.page-home .axis-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
}

.page-home .axis-figure figcaption {
  padding-top: 8px;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--c-ink);
}

.page-home .fact-box {
  padding: 20px 20px 18px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-tide);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
}

.page-home .fact-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c-tide);
}

.page-home .fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .fact-list li {
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-home .fact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .fact-list strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-deep);
  margin-right: 4px;
}

/* ---------- 第 3 版迁移 ---------- */
.page-home .migrate {
  background: var(--c-tide);
  color: var(--c-mist);
}

.page-home .migrate h2 {
  color: var(--c-white);
}

.page-home .migrate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

.page-home .badge-v3 {
  display: inline-flex;
  align-items: center;
  margin-bottom: 16px;
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--c-coral);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-home .migrate-copy p {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: rgba(245, 250, 252, 0.84);
}

.page-home .migrate-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .migrate-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 250, 252, 0.9);
}

.page-home .migrate-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 1px;
  background: var(--c-aqua);
}

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

.page-home .migrate-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--home-line-light);
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}

/* ---------- 小屏路线 ---------- */
.page-home .route-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 24px);
}

.page-home .route-steps li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  border-top: 2px solid var(--c-deep);
  background: var(--c-white);
  box-shadow: var(--shadow-1);
}

.page-home .step-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-aqua);
}

.page-home .route-steps h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--c-deep);
}

.page-home .route-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-home .step-link {
  margin-top: auto;
  padding-top: 8px;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 74, 0.4);
}

.page-home .step-link:hover,
.page-home .step-link:focus-visible {
  color: var(--c-deep);
  border-bottom-color: var(--c-deep);
}

/* ---------- 承接 ---------- */
.page-home .handoff {
  padding-bottom: clamp(60px, 9vw, 110px);
}

.page-home .visually-plain {
  margin: 0 0 clamp(16px, 2.5vw, 22px);
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--c-tide);
}

.page-home .handoff-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 22px);
}

.page-home .handoff-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3.2vw, 34px);
  border-radius: var(--radius-m);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .handoff-card:hover,
.page-home .handoff-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.page-home .handoff-card--support {
  background: var(--c-deep);
  color: var(--c-mist);
  border: 1px solid var(--c-deep);
}

.page-home .handoff-card--consult {
  background: var(--c-shallow);
  color: var(--c-deep);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-coral);
}

.page-home .handoff-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-home .handoff-card--support .handoff-kicker {
  color: var(--c-aqua);
}

.page-home .handoff-card--consult .handoff-kicker {
  color: var(--c-coral);
}

.page-home .handoff-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 26px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-home .handoff-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-home .handoff-card--support p {
  color: rgba(245, 250, 252, 0.84);
}

.page-home .handoff-card--consult p {
  color: var(--c-ink);
}

.page-home .handoff-go {
  margin-top: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-coral);
}

@media (min-width: 760px) {
  .page-home .entry-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .entry-panel .entry-card--wide {
    grid-column: span 2;
  }

  .page-home .entry-panel > .entry-card:nth-child(2) {
    margin-top: 24px;
  }

  .page-home .entry-panel > .entry-card:nth-child(3) {
    margin-top: -8px;
  }

  .page-home .route-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    grid-template-areas:
      "copy visual"
      "copy float";
    column-gap: clamp(32px, 5vw, 64px);
    row-gap: clamp(18px, 2.5vw, 26px);
  }

  .page-home .hero-float {
    align-self: start;
    margin-top: -22px;
    margin-left: clamp(10px, 3vw, 32px);
  }

  .page-home .entry-flow {
    display: block;
  }

  .page-home .entry-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .entry-panel .entry-card--wide {
    grid-column: span 2;
  }

  .page-home .axis-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.88fr);
  }

  .page-home .axis-list a {
    grid-template-columns: minmax(120px, auto) minmax(0, 1fr) auto;
  }

  .page-home .axis-meta {
    grid-column: auto;
  }

  .page-home .migrate-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1180px) {
  .page-home .hero {
    padding-block: clamp(48px, 5vw, 76px) clamp(72px, 7vw, 104px);
  }

  .page-home .hero-index {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(16px, 2.4vw, 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry-card,
  .page-home .hero-float,
  .page-home .handoff-card,
  .page-home .hero-index a,
  .page-home .axis-list a {
    transition: none;
  }

  .page-home .entry-card:hover,
  .page-home .hero-float:hover,
  .page-home .handoff-card:hover {
    transform: none;
  }
}