/* 网站更新页专属版式；基础颜色、字体与导航来自 style.css。 */
.updates-layout {
  max-width: 1040px;
  padding-top: 58px;
  padding-bottom: 96px;
}

.updates-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr);
  gap: 48px;
  align-items: end;
  padding-bottom: 42px;
}

.updates-kicker {
  margin-bottom: 10px;
  color: var(--vermilion);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.updates-intro h2 {
  max-width: 680px;
  color: var(--ink-800);
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.28;
}

.updates-intro-note {
  padding-left: 22px;
  border-left: 2px solid var(--gold-500);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.release-timeline {
  border-top: 1px solid var(--hairline-strong);
}

.release-entry {
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  gap: 44px;
  padding: 46px 0 50px;
  border-bottom: 1px solid var(--hairline);
  scroll-margin-top: 28px;
}

.release-meta {
  position: relative;
  padding-left: 18px;
}

.release-meta::before {
  content: "";
  position: absolute;
  top: 7px;
  left: -5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--paper-card);
  border-radius: 50%;
  background: var(--gold-500);
  box-shadow: 0 0 0 1px var(--gold-500);
}

.release-entry-current .release-meta::before { background: var(--vermilion); box-shadow: 0 0 0 1px var(--vermilion); }

.release-state {
  margin-bottom: 8px;
  color: var(--vermilion);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.release-version {
  margin-bottom: 7px;
  color: var(--ink-800);
  font-family: var(--font-serif);
  font-size: 25px;
  font-weight: 800;
  line-height: 1.2;
}

.release-date { color: var(--muted); font-size: 12.5px; line-height: 1.65; }

.release-body h3 {
  margin-bottom: 10px;
  color: var(--ink-800);
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.45;
}

.release-summary { max-width: 710px; color: var(--ink-soft); font-size: 15px; }

.release-points {
  display: grid;
  gap: 13px;
  margin-top: 24px;
  list-style: none;
}

.release-points li {
  position: relative;
  padding-left: 23px;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
}

.release-points li::before {
  content: "";
  position: absolute;
  top: .72em;
  left: 2px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--gold-500);
  transform: rotate(45deg);
}

.release-points strong { color: var(--ink-700); }

.release-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--vermilion-deep);
  font-size: 13.5px;
  font-weight: 800;
  border-bottom: 1px solid rgba(126, 20, 24, .28);
}

.release-action:hover,
.release-action:focus-visible { color: var(--vermilion); border-color: currentColor; }

.release-origin {
  margin-top: 10px;
  padding-top: 54px;
  border-bottom: 0;
}

.release-origin .release-meta::before {
  width: 13px;
  height: 13px;
  top: 5px;
  left: -7px;
  background: var(--ink-700);
  box-shadow: 0 0 0 1px var(--ink-700);
}

.release-origin .release-version { font-size: 18px; }
.updates-footer { margin-top: 0; }

@media (max-width: 760px) {
  .updates-layout { padding-top: 40px; padding-bottom: 70px; }
  .updates-intro { grid-template-columns: 1fr; gap: 24px; padding-bottom: 34px; }
  .updates-intro-note { padding-left: 18px; }
  .release-entry { grid-template-columns: 1fr; gap: 20px; padding: 36px 0 40px; }
  .release-meta { padding-left: 20px; }
  .release-meta::before { left: 0; }
  .release-origin .release-meta::before { left: -2px; }
  .release-body h3 { font-size: 21px; }
}

@media (max-width: 420px) {
  .updates-layout { padding-top: 32px; padding-bottom: 58px; }
  .updates-intro h2 { font-size: 27px; }
  .release-entry { padding: 31px 0 35px; }
  .release-points li { padding-left: 20px; font-size: 14px; }
}