.page-community {
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */
.page-community .pc-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-community .pc-hero__bg {
  position: absolute;
  inset: 0;
}

.page-community .pc-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-community .pc-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
}

.page-community .pc-hero__inner {
  position: relative;
  padding-block: var(--space-4) var(--space-8);
}

.page-community .pc-crumb {
  margin-bottom: var(--space-3);
}

.page-community .pc-hero .breadcrumb,
.page-community .pc-hero .breadcrumb a {
  color: var(--color-contrast-ink);
}

.page-community .pc-hero .eyebrow {
  color: var(--color-contrast-accent);
}

.page-community .pc-hero__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-community .pc-hero__lead {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

/* ---------- 斜切索引带 ---------- */
.page-community .pc-index {
  position: relative;
  background: var(--color-surface-alt);
  padding-block: var(--space-6) calc(var(--space-8) + 28px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), 0 100%);
}

.page-community .pc-index__inner {
  display: grid;
  gap: var(--space-3);
  align-items: stretch;
}

.page-community .pc-index__lead {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  clip-path: polygon(0 0, 100% 0, calc(100% - 22px) 100%, 0 100%);
}

.page-community .pc-index__lead img {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  max-width: 100%;
  border: var(--border-thin) solid var(--color-contrast-surface);
  border-radius: var(--radius-sm);
}

.page-community .pc-index__lead p {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary-ink);
}

.page-community .pc-index__nodes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-community .pc-index__nodes a {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  height: 100%;
  padding: var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  text-decoration: none;
  transition: box-shadow 200ms ease-out, transform 200ms ease-out, border-color 200ms ease-out;
}

.page-community .pc-index__nodes a:hover,
.page-community .pc-index__nodes a:focus-visible {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-1);
  transform: translateY(-2px);
}

.page-community .pc-index__no {
  align-self: flex-start;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0;
}

.page-community .pc-index__nodes li:nth-child(even) a .pc-index__no {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-community .pc-index__label {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-sm);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.page-community .pc-index__nodes li:nth-child(2n) {
  transform: translateY(10px);
}

.page-community .pc-index__nodes li:nth-child(3n) {
  transform: translateY(-6px);
}

/* ---------- 数字带 ---------- */
.page-community .pc-stats {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-community .pc-stats__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3);
}

.page-community .pc-stats__item--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-community .pc-stats__item--accent {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-community .pc-stats__item--dark {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-community .pc-stats__num {
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.04em;
}

.page-community .pc-stats__label {
  font-size: var(--text-sm);
  line-height: 1.4;
  opacity: 0.92;
}

/* ---------- 正文骨架 ---------- */
.page-community .pc-body {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--section-y) var(--section-y-lg);
}

.page-community .pc-toc {
  border-left: var(--border-thin) solid var(--color-line);
  padding-left: var(--space-2);
}

.page-community .pc-toc__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-community .pc-toc__list {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-community .pc-toc__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 180ms ease-out;
}

.page-community .pc-toc__link:hover,
.page-community .pc-toc__link:focus-visible {
  color: var(--color-primary);
}

.page-community .pc-toc__tick {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--color-line);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  transition: background-color 180ms ease-out;
}

.page-community .pc-toc__link:hover .pc-toc__tick,
.page-community .pc-toc__link:focus-visible .pc-toc__tick {
  background: var(--color-primary);
}

/* ---------- 问答分组 ---------- */
.page-community .pc-group {
  scroll-margin-top: calc(var(--header-h, 72px) + var(--space-4));
}

.page-community .pc-group + .pc-group {
  margin-top: var(--space-8);
}

.page-community .pc-group + .pc-group::before {
  content: "";
  display: block;
  width: 72px;
  height: var(--border-thick);
  margin-bottom: var(--space-4);
  background: var(--color-primary);
}

.page-community .pc-group:nth-child(even)::before {
  width: 104px;
  margin-left: 120px;
  background: var(--color-accent);
}

.page-community .pc-group__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.page-community .pc-group__no {
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.page-community .pc-group:nth-child(even) .pc-group__no {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-community .pc-group__title {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-community .pc-group__note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

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

.page-community .pc-group .acc__item {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-community .pc-group .acc__trigger {
  width: 100%;
  padding: var(--space-3) var(--space-2);
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  transition: background-color 220ms ease-out, color 220ms ease-out;
}

.page-community .pc-group .acc__trigger::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary);
}

.page-community .pc-group .acc__item:has(.acc__panel[data-open]) .acc__trigger,
.page-community .pc-group .acc__item:has(.acc__panel[data-open]) .acc__trigger::after {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-community .pc-group .acc__item:has(.acc__panel[data-open]) .acc__trigger::after {
  content: "–";
  background: transparent;
  color: var(--color-contrast-accent);
}

.page-community .pc-group .acc__body {
  padding: var(--space-3) var(--space-2) var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-community .pc-group .acc__body p {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
}

.page-community .pc-group .acc__body p:last-child {
  margin-bottom: 0;
}

.page-community .pc-next {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.page-community .pc-next__tag {
  display: inline-block;
  margin-right: var(--space-1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.page-community .pc-next a {
  color: var(--color-accent);
  text-underline-offset: 3px;
  font-weight: 600;
}

/* ---------- 收尾出口 ---------- */
.page-community .pc-outro {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) var(--gutter) var(--space-8);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-community .pc-outro__eyebrow {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-community .pc-outro__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-community .pc-outro__body p {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-community .pc-outro__contact {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
}

.page-community .pc-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.page-community .pc-outro__media {
  margin: 0;
}

.page-community .pc-outro__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 479px) {
  .page-community .pc-index__nodes {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-community .pc-index__nodes li:nth-child(2n),
  .page-community .pc-index__nodes li:nth-child(3n) {
    transform: none;
  }

  .page-community .pc-group:nth-child(even)::before {
    margin-left: 0;
  }

  .page-community .pc-hero__lead,
  .page-community .pc-group .acc__body p,
  .page-community .pc-outro__body p {
    max-width: 100%;
    overflow-wrap: break-word;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-community .pc-index__inner {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

  .page-community .pc-index__lead img {
    height: 190px;
  }

  .page-community .pc-index__nodes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-community .pc-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-community .pc-index__inner {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: var(--space-4);
  }

  .page-community .pc-index__lead img {
    height: 200px;
  }

  .page-community .pc-index__nodes {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-1);
  }

  .page-community .pc-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-community .pc-toc {
    position: sticky;
    top: calc(var(--header-h, 72px) + var(--space-3));
  }

  .page-community .pc-hero__inner {
    padding-block: var(--space-6) var(--section-y-lg);
  }

  .page-community .pc-outro {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: center;
    gap: var(--space-6);
    padding-inline: max(var(--gutter), calc((100% - var(--container)) / 2 + var(--gutter)));
  }
}
<<<END>>>