:root {
  --qiao-bg: #121110;
  --qiao-surface: rgba(255,255,255,0.06);
  --qiao-surface-strong: rgba(255,255,255,0.1);
  --qiao-border: rgba(255,255,255,0.1);
  --qiao-text: rgba(255,255,255,0.9);
  --qiao-text-secondary: rgba(255,255,255,0.64);
  --qiao-accent: #d97757;
  --qiao-accent-soft: rgba(217,119,87,0.14);
  --qiao-blue: #7d8fff;
  --qiao-teal: #51dcc6;
  --qiao-shadow: 0 20px 60px rgba(0,0,0,0.28);
}

body.qiao-page {
  color: var(--qiao-text);
  background:
    radial-gradient(circle at top left, rgba(217,119,87,0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(81,220,198,0.08), transparent 32%),
    var(--qiao-bg);
}

.qiao-page main {
  padding-bottom: 96px;
}

.ap-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-family: var(--ap-font-heading);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.ap-button:hover {
  transform: translateY(-1px);
}

.ap-button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--qiao-accent), #c96442);
  box-shadow: 0 14px 32px rgba(217,119,87,0.22);
}

.ap-button--primary:hover {
  color: #fff;
  box-shadow: 0 18px 36px rgba(217,119,87,0.28);
}

.ap-button--secondary {
  color: var(--qiao-text);
  background: var(--qiao-surface);
  border: 1px solid var(--qiao-border);
}

.ap-button--secondary:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.ap-button--soon {
  color: rgba(255,255,255,0.88);
  background: rgba(255,255,255,0.08);
  border: 1px dashed rgba(255,255,255,0.2);
  cursor: default;
  box-shadow: none;
}

.ap-button--block {
  width: 100%;
}

.ap-button--soon:hover {
  transform: none;
  color: rgba(255,255,255,0.88);
  background: rgba(255,255,255,0.08);
}

.ap-hero {
  padding: 84px 0 54px;
}

.ap-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 420px);
  gap: 48px;
  align-items: center;
}

.ap-kicker {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--qiao-accent-soft);
  color: #efb09a;
  font-family: var(--ap-font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.ap-title {
  margin-top: 18px;
  font-size: clamp(48px, 7vw, 76px);
  line-height: 0.98;
}

.ap-lead {
  max-width: 680px;
  margin-top: 18px;
  color: var(--qiao-text-secondary);
  font-size: 17px;
  line-height: 1.85;
}

.ap-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.ap-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.ap-metric {
  padding: 16px;
  border-radius: 16px;
  background: var(--qiao-surface);
  border: 1px solid var(--qiao-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

.ap-metric-label {
  color: var(--qiao-text-secondary);
  font-family: var(--ap-font-heading);
  font-size: 12px;
}

.ap-metric-value {
  margin-top: 8px;
  font-family: var(--ap-font-heading);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  word-break: keep-all;
}

.ap-hero-art {
  position: relative;
}

.ap-release-card {
  width: min(100%, 420px);
  margin-inline: auto;
  padding: 22px;
  border-radius: 20px;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.11);
  box-shadow: var(--qiao-shadow);
}

.ap-release-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ap-release-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ap-release-icon {
  width: 56px;
  height: 56px;
  padding: 8px;
  border-radius: 14px;
  background: rgba(255,255,255,0.92);
}

.ap-release-icon img {
  width: 100%;
  height: 100%;
}

.ap-release-brand strong {
  display: block;
  font-family: var(--ap-font-heading);
  font-size: 16px;
  font-weight: 600;
}

.ap-release-brand span {
  display: block;
  margin-top: 4px;
  color: var(--qiao-text-secondary);
  font-size: 12px;
}

.ap-status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--qiao-text-secondary);
  font-family: var(--ap-font-heading);
  font-size: 12px;
  font-weight: 600;
}

.ap-status--live {
  color: #b7d49d;
  background: rgba(107,143,71,0.13);
  border-color: rgba(107,143,71,0.32);
}

.ap-update-panel .ap-status {
  margin-top: 18px;
}

.ap-release-list,
.ap-facts {
  display: grid;
  gap: 0;
  margin-top: 20px;
}

.ap-release-list > div,
.ap-facts > div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.ap-release-list dt,
.ap-facts dt {
  color: var(--qiao-text-secondary);
  font-family: var(--ap-font-heading);
  font-size: 12px;
}

.ap-release-list dd,
.ap-facts dd {
  margin: 0;
  color: var(--qiao-text);
  font-family: var(--ap-font-heading);
  font-size: 13px;
  text-align: right;
  overflow-wrap: anywhere;
}

.ap-release-list code,
.ap-facts code {
  font-family: var(--ap-font-mono);
  font-size: 12px;
}

.ap-release-hash {
  align-items: start;
}

.ap-release-note {
  margin-top: 14px;
  color: rgba(255,255,255,0.42);
  font-size: 11px;
}

.ap-band {
  padding: 30px 0;
}

.ap-band + .ap-band {
  border-top: 1px solid rgba(255,255,255,0.06);
}

.ap-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.ap-section-head span {
  display: inline-block;
  color: #efb09a;
  font-family: var(--ap-font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.ap-section-head h2 {
  margin-top: 10px;
  font-size: clamp(28px, 4vw, 42px);
}

.ap-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 36px;
}

.ap-copy {
  color: var(--qiao-text-secondary);
  font-size: 16px;
  line-height: 1.9;
}

.ap-copy p + p {
  margin-top: 16px;
}

.ap-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ap-feature {
  padding: 18px;
  border-radius: 16px;
  background: var(--qiao-surface);
  border: 1px solid var(--qiao-border);
}

.ap-feature h3 {
  font-size: 19px;
}

.ap-feature p {
  margin-top: 10px;
  color: var(--qiao-text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.ap-download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  gap: 28px;
}

.ap-download-panel,
.ap-update-panel {
  padding: 22px;
  border-radius: 18px;
  background: var(--qiao-surface);
  border: 1px solid var(--qiao-border);
}

.ap-download-panel h3,
.ap-update-panel h3 {
  font-size: 24px;
}

.ap-download-panel p,
.ap-update-panel p {
  margin-top: 12px;
  color: var(--qiao-text-secondary);
  line-height: 1.8;
}

.ap-download-link {
  margin-top: 14px;
  display: inline-block;
  word-break: break-all;
  font-family: var(--ap-font-heading);
  font-size: 13px;
  color: var(--qiao-text-secondary);
}

.ap-install-list {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.ap-install-item {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  color: var(--qiao-text-secondary);
  line-height: 1.7;
}

.ap-install-item strong {
  color: var(--qiao-text);
}

.ap-update-list {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.ap-update-item {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  color: var(--qiao-text-secondary);
  line-height: 1.7;
}

.ap-update-item strong {
  display: block;
  color: var(--qiao-text);
  font-family: var(--ap-font-heading);
  margin-bottom: 4px;
}

.ap-history {
  display: grid;
  gap: 14px;
}

.ap-history-item {
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.ap-history-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.ap-history-version {
  display: inline-flex;
  align-items: center;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--qiao-accent-soft);
  color: #efb09a;
  font-family: var(--ap-font-heading);
  font-size: 12px;
  font-weight: 600;
}

.ap-history-date {
  color: var(--qiao-text-secondary);
  font-size: 13px;
}

.ap-history-body {
  margin-top: 12px;
  color: var(--qiao-text-secondary);
  font-size: 14px;
  line-height: 1.85;
  white-space: pre-line;
}

.ap-history-archive {
  margin-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 18px;
}

.ap-history-archive summary {
  cursor: pointer;
  color: #efb09a;
  font-family: var(--ap-font-heading);
  font-size: 13px;
  font-weight: 600;
}

.ap-footer-note {
  margin-top: 16px;
  color: rgba(255,255,255,0.48);
  font-size: 12px;
  line-height: 1.7;
}

.ap-empty {
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.12);
  color: var(--qiao-text-secondary);
}

@media (max-width: 980px) {
  .ap-hero-grid,
  .ap-intro-grid,
  .ap-download-grid {
    grid-template-columns: 1fr;
  }

  .ap-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav-bar {
    height: 60px;
    padding: 0 12px;
  }

  .nav-back {
    gap: 4px;
    font-size: 12px;
  }

  .nav-back svg {
    width: 14px;
    height: 14px;
  }

  .nav-title {
    font-size: 15px;
  }

  .nav-bar .ap-button {
    min-height: 36px;
    padding: 0 12px;
    font-size: 12px;
  }

  .ap-hero {
    padding-top: 48px;
  }

  .ap-title {
    font-size: 34px;
  }

  .ap-lead {
    font-size: 13.5px;
    line-height: 1.8;
  }

  .ap-metrics,
  .ap-feature-grid {
    grid-template-columns: 1fr;
  }

  .ap-cta-group {
    gap: 10px;
  }

  .ap-button {
    min-height: 42px;
  }

  .ap-metric {
    padding: 14px;
  }

  .ap-release-card {
    padding: 18px;
  }

  .ap-release-list > div,
  .ap-facts > div {
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .ap-section-head {
    align-items: flex-start;
    flex-direction: column;
  }
}