.page-home {
  --home-gutter: clamp(20px, 5vw, 44px);
  --home-shadow: 16px 16px 0 rgba(0, 0, 0, 0.42);
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
  line-height: 1.9;
  overflow-x: hidden;
}

.page-home a:focus-visible,
.page-home summary:focus-visible,
.page-home label:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-home h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--fog);
}

.page-home h1 .hl {
  color: var(--amber);
  border-bottom: 4px solid var(--amber-dim);
}

.page-home h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.26;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  color: var(--fog);
}

.page-home h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.45;
  margin: 0 0 8px;
  color: var(--fog);
}

.page-home .num-amber {
  color: var(--amber);
  font-weight: 500;
}

.page-home .section {
  position: relative;
  padding: clamp(56px, 8vw, 108px) 0;
}

.page-home .section-head {
  max-width: 760px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

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

.page-home .section-note {
  margin: 0;
  font-size: clamp(14px, 1.7vw, 16px);
  color: var(--muted);
  line-height: 1.9;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(36px, 6vw, 68px) 0 clamp(52px, 8vw, 100px);
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(14, 74, 68, 0.55), transparent 62%),
    var(--ink);
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(30px, 5vw, 54px);
}

.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-home .ctx-current {
  color: var(--amber);
}

.page-home .ctx-version {
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 2px 8px;
}

.page-home .hero-kicker {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(13px, 1.7vw, 15px);
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 18px 0 12px;
}

.page-home .hero-lede {
  margin: 0 0 24px;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.92;
  color: var(--fog);
  opacity: 0.84;
  max-width: 36em;
}

.page-home .step-list {
  display: grid;
  gap: 10px;
  margin: 0 0 26px;
}

.page-home .step {
  border: 2px solid var(--line);
  background: var(--char);
  transition: border-color 0.22s ease;
}

.page-home .step[open] {
  border-color: var(--amber-dim);
}

.page-home .step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--fog);
}

.page-home .step summary::-webkit-details-marker {
  display: none;
}

.page-home .step-no {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-home .step-title {
  flex: 1 1 auto;
}

.page-home .step-caret {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.22s ease;
}

.page-home .step[open] .step-caret {
  transform: rotate(225deg);
}

.page-home .step p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .hero-actions {
  margin-top: 4px;
}

.page-home .btn {
  position: relative;
  overflow: hidden;
}

.page-home .btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.3) 50%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.45s ease;
  pointer-events: none;
}

.page-home .btn:hover::after,
.page-home .btn:focus-visible::after {
  transform: translateX(120%);
}

.page-home .hero-visual {
  position: relative;
}

.page-home .pitch {
  position: relative;
  margin: 0;
  border: 3px solid var(--line);
  background: var(--char);
  box-shadow: 14px 14px 0 rgba(0, 0, 0, 0.45);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-home .pitch img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.75) brightness(0.66);
}

.page-home .pitch::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 55% at 72% 18%, rgba(242, 181, 68, 0.2), transparent 62%),
    linear-gradient(200deg, rgba(11, 31, 26, 0.32), rgba(11, 31, 26, 0.86) 74%);
  pointer-events: none;
}

.page-home .pitch-lines {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  color: var(--cyan);
  opacity: 0.6;
}

.page-home .hero-caption {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

/* ---------- 版本 ---------- */
.page-home .version-section {
  background: var(--char);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-home .version-grid {
  display: grid;
  gap: 20px;
}

.page-home .version-card {
  border: 3px solid var(--amber-dim);
  background: linear-gradient(160deg, rgba(14, 74, 68, 0.55), var(--ink) 68%);
  padding: clamp(20px, 3.4vw, 34px);
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.4);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-home .version-card:hover,
.page-home .version-card:focus-within {
  border-color: var(--amber);
  transform: translateY(-3px);
}

.page-home .version-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-home .version-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(40px, 9vw, 74px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-home .version-hint {
  display: none;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .version-summary {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 2px solid var(--line);
  overflow: hidden;
}

.page-home .version-summary ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .version-summary li {
  margin-bottom: 6px;
}

.page-home .version-link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
}

.page-home .version-figure {
  margin: 0;
  border: 2px solid var(--line);
  overflow: hidden;
  background: var(--ink);
}

.page-home .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: brightness(0.8) saturate(0.85);
}

.page-home .timeline {
  list-style: none;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 22px;
  max-width: 880px;
}

.page-home .timeline-item {
  position: relative;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 7px;
  width: 11px;
  height: 11px;
  background: var(--ink);
  border: 2px solid var(--amber);
  transform: rotate(45deg);
}

.page-home .timeline-time {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-home .timeline-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 赛季 ---------- */
.page-home .season-section {
  background: linear-gradient(180deg, var(--ink), var(--char) 92%);
}

.page-home .season-grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-home .season-tabs {
  position: relative;
  margin-top: 24px;
}

.page-home .season-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .season-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .season-labels label {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border: 2px solid var(--line);
  background: rgba(16, 21, 20, 0.7);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-home .season-labels label:hover {
  color: var(--fog);
  border-color: var(--cyan);
}

.page-home #season-live:checked ~ .season-labels label[for="season-live"],
.page-home #season-last:checked ~ .season-labels label[for="season-last"],
.page-home #season-pre:checked ~ .season-labels label[for="season-pre"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-home #season-live:focus-visible ~ .season-labels label[for="season-live"],
.page-home #season-last:focus-visible ~ .season-labels label[for="season-last"],
.page-home #season-pre:focus-visible ~ .season-labels label[for="season-pre"] {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-home .season-panel {
  display: none;
  margin-top: 16px;
  padding: 18px 20px;
  border: 2px solid var(--line);
  border-left: 4px solid var(--amber-dim);
  background: var(--char);
}

.page-home .season-panel h3 {
  color: var(--amber);
}

.page-home .season-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.88;
  color: var(--muted);
}

.page-home #season-live:checked ~ .season-panels .season-panel--live,
.page-home #season-last:checked ~ .season-panels .season-panel--last,
.page-home #season-pre:checked ~ .season-panels .season-panel--pre {
  display: block;
}

.page-home .season-more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .season-link,
.page-home .start-link,
.page-home .feedback-link {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-home .link-cyan {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 198, 0.42);
  padding-bottom: 1px;
}

.page-home .link-cyan:hover {
  border-bottom-color: var(--amber);
  color: var(--amber);
}

.page-home .season-figure {
  margin: 0;
  border: 3px solid var(--line);
  box-shadow: var(--home-shadow);
  overflow: hidden;
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

.page-home .season-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: brightness(0.72) saturate(0.85);
}

/* ---------- 新用户路径 ---------- */
.page-home .start-section {
  background: var(--ink);
  border-top: 2px solid var(--line);
}

.page-home .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .path-item {
  position: relative;
  border: 2px solid var(--line);
  background: rgba(16, 21, 20, 0.72);
  padding: 24px 22px 22px;
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-home .path-item::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 46px;
  height: 4px;
  background: var(--amber);
}

.page-home .path-item:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}

.page-home .path-no {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .path-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.88;
  color: var(--muted);
}

/* ---------- 反馈 ---------- */
.page-home .feedback-section {
  background: var(--char);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-home .feedback-panel {
  display: grid;
  border: 3px solid var(--line);
  background: var(--ink);
  box-shadow: var(--home-shadow);
  overflow: hidden;
}

.page-home .feedback-media {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.page-home .feedback-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  filter: brightness(0.55) saturate(0.8);
}

.page-home .feedback-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 26, 0.15), rgba(11, 31, 26, 0.85));
  pointer-events: none;
}

.page-home .feedback-copy {
  padding: clamp(24px, 4vw, 44px);
}

.page-home .feedback-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .feedback-facts li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .fact-num {
  font-size: clamp(18px, 2.6vw, 24px);
  color: var(--amber);
  letter-spacing: -0.01em;
}

/* ---------- 结尾行动 ---------- */
.page-home .cta-section {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-home .cta-inner {
  position: relative;
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 48px);
  border: 3px solid var(--amber-dim);
  background: linear-gradient(135deg, var(--teal-deep), var(--ink) 62%);
  box-shadow: var(--home-shadow);
  overflow: hidden;
}

.page-home .cta-inner::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: repeating-linear-gradient(115deg, rgba(56, 225, 198, 0.13) 0 2px, transparent 2px 15px);
  opacity: 0.7;
  pointer-events: none;
}

.page-home .cta-copy {
  position: relative;
}

.page-home .cta-contact {
  margin: 16px 0 0;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}

.page-home .cta-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-home .path-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .feedback-panel {
    grid-template-columns: 5fr 7fr;
  }
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-home .version-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-home .season-grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-home .cta-inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

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

  .page-home .step p {
    padding-left: 46px;
  }
}

@media (hover: hover) and (min-width: 960px) {
  .page-home .version-hint {
    display: block;
  }

  .page-home .version-summary {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    opacity: 0;
    transition: max-height 0.38s ease, opacity 0.3s ease, margin-top 0.3s ease, padding-top 0.3s ease;
  }

  .page-home .version-card:hover .version-summary,
  .page-home .version-card:focus-within .version-summary {
    max-height: 300px;
    margin-top: 16px;
    padding-top: 14px;
    border-top-color: var(--line);
    opacity: 1;
  }
}

@media (max-width: 719px) {
  .page-home .season-labels label {
    flex: 1 1 auto;
    justify-content: center;
  }

  .page-home .feedback-media img {
    min-height: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .btn::after,
  .page-home .version-summary,
  .page-home .step-caret,
  .page-home .version-card,
  .page-home .path-item {
    transition: none;
  }
}