.page-community {
  --comm-lead-leading: calc(var(--leading-body) * 0.92);
  --comm-line-soft: color-mix(in srgb, var(--color-line) 72%, transparent);
  background-color: var(--color-surface);
  color: var(--color-ink);
  overflow-x: clip;
}

.page-community .comm-crumb {
  padding-top: var(--space-3);
  padding-bottom: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-community .comm-crumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
}

.page-community .comm-crumb a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- 首屏 ---------- */

.page-community .comm-hero {
  position: relative;
  padding: var(--space-6) 0 var(--space-8);
  border-bottom: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
  background-image: repeating-linear-gradient(
    90deg,
    var(--comm-line-soft) 0 1px,
    transparent 1px calc(var(--space-8) * 2)
  );
}

.page-community .comm-hero__grid {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.page-community .comm-hero__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  max-width: 17ch;
  text-wrap: balance;
}

.page-community .comm-hero__intro {
  margin: var(--space-3) 0 0;
  max-width: 58ch;
  font-size: var(--text-lg);
  line-height: var(--comm-lead-leading);
  color: var(--color-ink-soft);
}

.page-community .comm-hero__metrics {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.page-community .comm-hero__metrics .metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-primary);
}

.page-community .comm-hero__metrics .metric:nth-child(3) {
  border-left-color: var(--color-accent);
}

.page-community .comm-hero__metrics .metric__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-community .comm-hero__metrics .metric:nth-child(3) .metric__value {
  color: var(--color-accent);
}

.page-community .comm-hero__metrics .metric__label {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

/* ---------- 图片框通用（本页局部） ---------- */

.page-community .comm-hero__figure,
.page-community .comm-side,
.page-community .comm-banner {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  background-color: var(--color-contrast-surface);
}

.page-community .comm-hero__figure .img-frame__media,
.page-community .comm-side .img-frame__media,
.page-community .comm-banner .img-frame__media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}

.page-community .comm-hero__figure .img-frame__media {
  aspect-ratio: 5 / 3;
}

.page-community .comm-side .img-frame__media {
  aspect-ratio: 4 / 3;
}

.page-community .comm-banner .img-frame__media {
  aspect-ratio: 16 / 7;
}

.page-community .comm-hero__figure .img-frame__scrim,
.page-community .comm-side .img-frame__scrim,
.page-community .comm-banner .img-frame__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-community .comm-hero__figure .img-frame__caption,
.page-community .comm-side .img-frame__caption,
.page-community .comm-banner .img-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-contrast-ink);
}

/* ---------- 问题索引 ---------- */

.page-community .comm-index {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-community .comm-index__grid {
  display: grid;
  gap: var(--space-6);
}

.page-community .comm-index__head h2 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-community .comm-index__text {
  margin: var(--space-2) 0 var(--space-4);
  max-width: 46ch;
  font-size: var(--text-base);
  line-height: var(--comm-lead-leading);
  color: var(--color-ink-soft);
}

.page-community .comm-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-community .comm-index__item {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-community .comm-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-2) var(--space-3);
  align-items: baseline;
  padding: var(--space-3) var(--space-2);
  color: inherit;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-community .comm-index__item:nth-child(even) .comm-index__link {
  padding-left: var(--space-4);
}

.page-community .comm-index__link:hover {
  border-left-color: var(--color-accent);
  background-color: var(--color-surface-alt);
}

.page-community .comm-index__link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-community .comm-index__no {
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.page-community .comm-index__body {
  display: grid;
  gap: var(--space-1);
}

.page-community .comm-index__name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
}

.page-community .comm-index__desc {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-community .comm-index__count {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

/* ---------- 问答分组 ---------- */

.page-community .comm-group {
  scroll-margin-top: calc(var(--space-8) * 2);
}

.page-community .comm-group + .comm-group {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-community .comm-group__head {
  max-width: 64ch;
  margin-bottom: var(--space-4);
}

.page-community .comm-group__head h2 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-community .comm-group__lead {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--comm-lead-leading);
  color: var(--color-ink-soft);
}

.page-community .comm-clause {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-community .comm-clause__card {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-top: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-alt);
}

.page-community .comm-clause__card:nth-child(2) {
  border-top-color: var(--color-accent);
}

.page-community .comm-clause__card h3 {
  margin: var(--space-2) 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-community .comm-clause__card p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--comm-lead-leading);
  color: var(--color-ink-soft);
}

.page-community .comm-group__split {
  display: grid;
  gap: var(--space-6);
}

.page-community .comm-banner {
  margin-bottom: var(--space-6);
}

/* ---------- 折叠问答 ---------- */

.page-community .comm-qa {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-community .comm-qa .accordion__item {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-community .comm-q {
  margin: 0;
  font-size: var(--text-base);
  font-weight: var(--weight-body);
}

.page-community .comm-q__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: start;
  width: 100%;
  padding: var(--space-3) var(--space-2);
  border: 0;
  border-left: 2px solid transparent;
  background-color: transparent;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.55;
  color: var(--color-ink);
  text-align: left;
  cursor: pointer;
  transition: background-color 200ms ease, border-color 200ms ease;
}

.page-community .comm-q__trigger:hover {
  border-left-color: var(--color-primary);
  background-color: var(--color-surface-alt);
}

.page-community .comm-q__trigger[aria-expanded="true"] {
  border-left-color: var(--color-accent);
  background-color: var(--color-primary-soft);
}

.page-community .comm-q__trigger:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-community .comm-q__no {
  padding-top: 3px;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-community .accordion__icon {
  position: relative;
  width: var(--space-2);
  height: var(--space-2);
  margin-top: var(--space-1);
  flex: none;
}

.page-community .accordion__icon::before,
.page-community .accordion__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(50% - 1px);
  height: 2px;
  background-color: var(--color-ink-muted);
  transition: transform 200ms ease, background-color 200ms ease;
}

.page-community .accordion__icon::after {
  transform: rotate(90deg);
}

.page-community .comm-q__trigger[aria-expanded="true"] .accordion__icon::before,
.page-community .comm-q__trigger[aria-expanded="true"] .accordion__icon::after {
  background-color: var(--color-accent);
}

.page-community .comm-q__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: rotate(0deg);
}

.page-community .comm-a {
  padding: var(--space-1) var(--space-3) var(--space-4) var(--space-4);
  border-left: 2px solid var(--color-accent);
  background-color: var(--color-surface-alt);
}

.page-community .comm-a p {
  margin: var(--space-2) 0 0;
  max-width: 72ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-community .comm-a__conclusion {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  line-height: 1.65;
}

.page-community .comm-a__next {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: var(--border-thin) dashed var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-community .comm-a a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-community .comm-a a:hover {
  color: var(--color-accent);
}

.page-community .comm-a .mono {
  color: var(--color-ink);
  word-break: break-all;
}

/* ---------- 讨论规则与出口 ---------- */

.page-community .comm-rules {
  border-top: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
}

.page-community .comm-rules__grid {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.page-community .comm-rules__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-community .comm-rules__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--comm-lead-leading);
  color: var(--color-ink-soft);
}

.page-community .comm-rules__list li::before {
  content: "";
  width: var(--space-1);
  height: var(--space-1);
  margin-top: calc(var(--space-2) * 0.6);
  background-color: var(--color-accent);
}

.page-community .comm-exit {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-community .comm-exit__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-community .comm-exit__text {
  margin: var(--space-2) 0 var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--comm-lead-leading);
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-community .comm-exit__contacts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-community .comm-exit__contacts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
}

.page-community .comm-exit__label {
  color: var(--color-contrast-ink);
  opacity: 0.66;
}

.page-community .comm-exit__value {
  color: var(--color-contrast-accent);
  word-break: break-all;
}

.page-community .comm-exit__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

.page-community .comm-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-community .comm-clause {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-community .comm-hero {
    padding-top: var(--space-8);
    padding-bottom: var(--section-y-lg);
  }

  .page-community .comm-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: var(--space-8);
    align-items: end;
  }

  .page-community .comm-hero__figure {
    margin-bottom: var(--space-2);
  }

  .page-community .comm-index__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-community .comm-group__split {
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-community .comm-side {
    position: sticky;
    top: calc(var(--space-8) * 2);
  }

  .page-community .comm-rules__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: var(--space-8);
  }
}

@media (max-width: 560px) {
  .page-community .comm-hero__metrics {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-community .comm-index__link {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-community .comm-index__count {
    grid-column: 2;
  }
}