.page-articles {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-articles .hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-6) 0 var(--space-8);
}

.page-articles .hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -140px;
  width: 420px;
  height: 420px;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-pill);
  pointer-events: none;
}

.page-articles .hero::after {
  content: "";
  position: absolute;
  left: -90px;
  bottom: -210px;
  width: 300px;
  height: 300px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-primary) 26%, transparent);
  pointer-events: none;
}

.page-articles .hero__inner {
  position: relative;
  z-index: 1;
}

.page-articles .hero-crumbs ol {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-articles .hero-crumbs li {
  display: inline-flex;
  align-items: center;
}

.page-articles .hero-crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-2);
  opacity: 0.5;
}

.page-articles .hero-crumbs a {
  color: inherit;
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-articles .hero-crumbs a:hover {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

.page-articles .hero__top {
  display: grid;
  gap: var(--space-6);
}

.page-articles .hero__kicker {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-contrast-accent);
}

.page-articles .hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-articles .hero__intro {
  margin: var(--space-4) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  max-width: var(--measure);
}

.page-articles .hero__intro a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-articles .hero__figure {
  margin: 0;
}

.page-articles .hero__figure .figure__media {
  border: var(--border-thin) solid var(--color-contrast-line);
  overflow: hidden;
  background: color-mix(in srgb, var(--color-contrast-ink) 6%, transparent);
}

.page-articles .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-articles .hero__figure .figure__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-articles .hero__foot {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: grid;
  gap: var(--space-6);
}

.page-articles .seq {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-articles .seq__i {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-contrast-ink) 48%, transparent);
}

.page-articles .seq__i--key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.7em;
  height: 1.7em;
  padding: 0 var(--space-1);
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-accent) 46%, transparent);
  background: color-mix(in srgb, var(--color-contrast-accent) 12%, transparent);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
}

.page-articles .hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.page-articles .hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-contrast-line);
}

.page-articles .hero__stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-contrast-ink);
}

.page-articles .hero__stat-lbl {
  font-size: var(--text-sm);
  white-space: nowrap;
  color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent);
}

@media (min-width: 880px) {
  .page-articles .hero__top {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-articles .hero__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-8);
    align-items: end;
  }
}

/* ---------- 目录区 ---------- */
.page-articles .catalog {
  padding: var(--section-y) 0;
  background: var(--color-surface);
}

.page-articles .cat-head {
  display: grid;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thick) solid var(--color-ink);
  margin-bottom: var(--space-8);
}

.page-articles .cat-head__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-articles .cat-head__note {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-articles .cat-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-articles .fbtn {
  appearance: none;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-articles .fbtn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-articles .fbtn:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 2px;
}

.page-articles .fbtn.is-active,
.page-articles .fbtn[aria-pressed="true"] {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

@media (min-width: 900px) {
  .page-articles .cat-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--space-6);
  }
  .page-articles .cat-filters {
    justify-content: flex-end;
  }
}

/* ---------- 分组 ---------- */
.page-articles .grp {
  margin-bottom: var(--space-8);
}

.page-articles .grp:last-child {
  margin-bottom: 0;
}

.page-articles .grp:not(:has(.entry:not(.is-hidden))) {
  display: none;
}

.page-articles .grp__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-ink);
}

.page-articles .grp__bar {
  flex: none;
  width: 6px;
  height: 1.15em;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-articles .grp__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-articles .grp__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-ink-muted);
}

.page-articles .grp__note {
  margin: var(--space-4) 0 var(--space-4);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-articles .grp__note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  font-weight: 600;
}

.page-articles .grp__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-articles .grp-figure {
  margin: var(--space-4) 0 var(--space-6);
}

.page-articles .grp-figure .figure__media {
  border: var(--border-thin) solid var(--color-line);
  overflow: hidden;
  background: var(--color-surface-alt);
}

.page-articles .grp-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-articles .grp-figure .figure__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-articles .grp-figure--narrow .figure__media,
.page-articles .grp-figure--square .figure__media {
  max-width: 320px;
}

/* ---------- 条目 ---------- */
.page-articles .entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3) var(--space-4);
  padding: var(--space-6) 0;
  border-top: var(--border-thin) solid var(--color-line);
  transition: box-shadow 180ms ease, background-color 180ms ease;
}

.page-articles .entry__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-ink-muted);
  min-width: 2.1em;
  transition: color 180ms ease;
}

.page-articles .entry__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.page-articles .tag {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-articles .entry__state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-articles .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-highlight);
  border: var(--border-thin) solid var(--color-accent);
}

.page-articles .entry__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.32;
  color: var(--color-ink);
}

.page-articles .entry__sum {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-articles .entry:hover .entry__idx {
  color: var(--color-ink);
}

.page-articles .entry.is-hidden {
  display: none;
}

/* ---------- 折叠 ---------- */
.page-articles .disclosure {
  margin-top: var(--space-1);
}

.page-articles .disclosure__trigger {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 0 2px;
  background: none;
  border: 0;
  border-bottom: var(--border-thin) solid currentColor;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  transition: color 180ms ease;
}

.page-articles .disclosure__trigger:hover {
  color: var(--color-accent);
}

.page-articles .disclosure__trigger:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 3px;
}

.page-articles .disclosure__marker {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-right: var(--border-thin) solid currentColor;
  border-bottom: var(--border-thin) solid currentColor;
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

.page-articles .disclosure__trigger[aria-expanded="true"] .disclosure__marker {
  transform: rotate(-135deg);
}

.page-articles .disclosure__panel {
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-left: 5px solid var(--color-primary);
  background: var(--color-surface-alt);
}

.page-articles .disclosure__panel p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.78;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---------- 分组配色 ---------- */
.page-articles .grp[data-group="draw"] .grp__bar { background: var(--color-primary); }
.page-articles .grp[data-group="team"] .grp__bar { background: var(--color-accent); }
.page-articles .grp[data-group="transfer"] .grp__bar { background: var(--color-contrast-surface); }
.page-articles .grp[data-group="method"] .grp__bar { background: var(--color-primary); }
.page-articles .grp[data-group="version"] .grp__bar { background: var(--color-accent); }

.page-articles .grp[data-group="draw"] .tag { background: var(--color-primary); color: var(--color-primary-ink); }
.page-articles .grp[data-group="team"] .tag { background: var(--color-accent); color: var(--color-accent-ink); }
.page-articles .grp[data-group="transfer"] .tag { background: var(--color-contrast-surface); color: var(--color-contrast-ink); }
.page-articles .grp[data-group="method"] .tag { background: var(--color-primary-soft); color: var(--color-primary); }
.page-articles .grp[data-group="version"] .tag { background: var(--color-highlight); color: var(--color-accent); }

.page-articles .grp[data-group="draw"] .entry:hover {
  background: color-mix(in srgb, var(--color-primary) 6%, transparent);
  box-shadow: inset 4px 0 0 var(--color-primary);
}

.page-articles .grp[data-group="team"] .entry:hover {
  background: color-mix(in srgb, var(--color-accent) 7%, transparent);
  box-shadow: inset 4px 0 0 var(--color-accent);
}

.page-articles .grp[data-group="transfer"] .entry:hover {
  background: color-mix(in srgb, var(--color-contrast-surface) 6%, transparent);
  box-shadow: inset 4px 0 0 var(--color-contrast-surface);
}

.page-articles .grp[data-group="method"] .entry:hover {
  background: color-mix(in srgb, var(--color-primary) 6%, transparent);
  box-shadow: inset 4px 0 0 var(--color-primary);
}

.page-articles .grp[data-group="version"] .entry:hover {
  background: color-mix(in srgb, var(--color-accent) 7%, transparent);
  box-shadow: inset 4px 0 0 var(--color-accent);
}

.page-articles .grp[data-group="team"] .grp__note a { color: var(--color-accent); }
.page-articles .grp[data-group="transfer"] .disclosure__trigger { color: var(--color-accent); }
.page-articles .grp[data-group="method"] .disclosure__trigger { color: var(--color-accent); }

.page-articles .grp[data-group="transfer"] .disclosure__panel { border-left-color: var(--color-accent); }
.page-articles .grp[data-group="method"] .disclosure__panel { border-left-color: var(--color-accent); }
.page-articles .grp[data-group="version"] .disclosure__panel { border-left-color: var(--color-accent); }

/* ---------- 版本日志次级栏 ---------- */
.page-articles .grp--mini .grp__list {
  max-width: 780px;
}

.page-articles .grp--mini .entry {
  padding: var(--space-4) var(--space-4);
  background: var(--color-surface-alt);
  border-top: 0;
  margin-bottom: var(--space-2);
}

.page-articles .grp--mini .entry__title {
  font-size: var(--text-base);
  font-weight: 700;
}

.page-articles .grp--mini .entry__sum {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

/* ---------- 尾部入口 ---------- */
.page-articles .next {
  background: var(--color-surface-alt);
  padding: var(--section-y) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-articles .next__inner {
  display: grid;
  gap: var(--space-6);
}

.page-articles .next__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-articles .next__note {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-articles .next__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-articles .next__btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border: var(--border-thin) solid var(--color-ink);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  color: var(--color-ink);
  background: transparent;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-articles .next__btn:hover {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-articles .next__btn--solid {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-articles .next__btn--solid:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-articles .next__btn:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 2px;
}

@media (min-width: 900px) {
  .page-articles .next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-8);
  }
}

/* ---------- 窄屏收紧 ---------- */
@media (max-width: 560px) {
  .page-articles .entry {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
    padding: var(--space-4) 0;
  }

  .page-articles .entry__idx {
    font-size: var(--text-base);
    letter-spacing: 0.02em;
    min-width: 0;
  }

  .page-articles .seq__i--key {
    font-size: var(--text-lg);
  }

  .page-articles .hero__stat-num {
    font-size: var(--text-xl);
  }

  .page-articles .grp-figure--narrow .figure__media,
  .page-articles .grp-figure--square .figure__media {
    max-width: 100%;
  }

  .page-articles .grp--mini .entry {
    padding: var(--space-4) var(--space-3);
  }
}
<<<END>>>