.page-community {
  --pc-rule: calc(var(--border-thick) * 2);
  --pc-shell: var(--container);
}

/* ---------- 首屏 ---------- */

.page-community .community-hero {
  position: relative;
  overflow: hidden;
  padding-top: var(--section-y-lg);
  padding-bottom: var(--section-y-lg);
  background: var(--color-surface);
}

.page-community .community-hero::before {
  content: "";
  position: absolute;
  left: -8%;
  right: 30%;
  bottom: -8%;
  height: 56%;
  background: var(--color-primary-soft);
  border-radius: var(--radius-lg);
  transform: rotate(-2.6deg);
  pointer-events: none;
  z-index: 0;
}

.page-community .community-hero::after {
  content: "";
  position: absolute;
  right: 5%;
  bottom: 3%;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--color-accent);
  pointer-events: none;
  z-index: 0;
}

.page-community .community-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-community .community-hero__lead {
  min-width: 0;
}

.page-community .community-hero .breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-3);
}

.page-community .community-hero .breadcrumb a {
  color: var(--color-ink-muted);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-community .community-hero .breadcrumb a:hover,
.page-community .community-hero .breadcrumb a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-community .community-hero .breadcrumb-sep {
  margin: 0 var(--space-1);
  color: var(--color-line);
}

.page-community .kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}

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

.page-community .community-hero__lede {
  max-width: var(--measure);
  margin: var(--space-3) 0 var(--space-5);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-community .community-hero .media--offset {
  transform: rotate(-1.1deg);
}

/* 首屏侧栏 */

.page-community .community-hero__side {
  padding: var(--space-4) var(--space-3) var(--space-3);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
}

.page-community .side-label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
}

.page-community .side-tags {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-community .side-tags a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 9px var(--space-2);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-pill);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-community .side-tags a::after {
  content: "↓";
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-contrast-accent);
}

.page-community .side-tags a:hover,
.page-community .side-tags a:focus-visible {
  border-color: var(--color-contrast-accent);
  background: color-mix(in srgb, var(--color-contrast-accent) 16%, transparent);
}

.page-community .side-figure {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-community .side-stat {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0;
}

.page-community .side-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-figure);
  line-height: 0.9;
  color: var(--color-contrast-accent);
}

.page-community .side-num--sm {
  font-size: var(--text-4xl);
}

.page-community .side-unit {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

/* ---------- 通用区块头 ---------- */

.page-community .section-head {
  margin-bottom: var(--space-4);
}

.page-community .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

/* ---------- 条目流 ---------- */

.page-community .filter-bar {
  margin: 0 0 var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-community .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-rule) solid var(--color-ink);
}

.page-community .topic {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "index title"
    "index body"
    "index status";
  column-gap: var(--space-2);
  row-gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: var(--pc-rule) solid var(--color-line);
  transition: border-color 0.2s ease;
}

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

.page-community .topic-index {
  grid-area: index;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  padding-top: 5px;
  white-space: nowrap;
}

.page-community .topic-body {
  grid-area: body;
  min-width: 0;
}

.page-community .topic-title {
  grid-area: title;
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.36;
  color: var(--color-ink);
}

.page-community .topic-summary {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-community .topic:hover .topic-summary,
.page-community .topic:focus-within .topic-summary {
  -webkit-line-clamp: unset;
  display: block;
  overflow: visible;
}

.page-community .topic-status {
  grid-area: status;
  justify-self: start;
  align-self: start;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-community .topic[data-state="已定位"] .topic-status {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-community .topic[data-state="待补充"] .topic-status {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.page-community .topic[data-state="已归档"] .topic-status {
  background: var(--color-surface-deep);
  color: var(--color-ink-muted);
}

/* ---------- 分类说明 ---------- */

.page-community .cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-community .cat-card {
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-community .cat-card:nth-child(even) {
  background: var(--color-surface);
  border-color: var(--color-primary-soft);
}

.page-community .cat-num {
  display: inline-block;
  margin-bottom: var(--space-2);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
}

.page-community .cat-name {
  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);
  color: var(--color-ink);
}

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

.page-community .cat-example {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-primary);
}

.page-community .cat-edge {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

.page-community .cat-figure {
  margin-top: var(--space-5);
  max-width: 720px;
}

/* ---------- 交流规范 ---------- */

.page-community .norms__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  align-items: center;
}

.page-community .norms-list {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: 0;
}

.page-community .norms-list li {
  padding: var(--space-2) 0 var(--space-2) var(--space-4);
  position: relative;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-ink) 20%, transparent);
}

.page-community .norms-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: var(--space-2);
  font-family: var(--font-mono);
  color: var(--color-primary);
}

.page-community .norms-link {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-community .link-inline {
  color: var(--color-ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-primary);
  padding-bottom: 1px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-community .link-inline:hover,
.page-community .link-inline:focus-visible {
  background: var(--color-highlight);
  color: var(--color-ink);
}

.page-community .norms__figure {
  margin: 0;
}

/* ---------- 提报格式 ---------- */

.page-community .propose__inner {
  max-width: var(--pc-shell);
}

.page-community .propose-steps {
  list-style: none;
  counter-reset: prop;
  margin: 0 0 var(--space-5);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-community .propose-steps li {
  counter-increment: prop;
  position: relative;
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-6);
  background: var(--color-surface);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.page-community .propose-steps li::before {
  content: counter(prop, decimal-leading-zero);
  position: absolute;
  left: var(--space-3);
  top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
}

.page-community .propose-steps h3 {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-community .propose-steps p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-community .propose-foot {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--pc-rule) double var(--color-ink);
}

.page-community .propose-note {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

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

/* ---------- 图片容器 ---------- */

.page-community .media {
  display: block;
  position: relative;
  margin: 0;
}

.page-community .media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-community .media--wide img {
  aspect-ratio: 16 / 9;
}

.page-community .media--band,
.page-community .media--tall {
  margin-top: 0;
}

.page-community .media--band img,
.page-community .media--tall img {
  aspect-ratio: 8 / 5;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-community .topic {
    grid-template-columns: 92px minmax(0, 1fr) auto;
    grid-template-areas:
      "index title status"
      "index .page-community  status";
    column-gap: var(--space-3);
  }

  .page-community .topic-status {
    justify-self: end;
  }

  .page-community .propose-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-community .community-hero__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 3fr);
    gap: var(--space-6);
  }

  .page-community .community-hero {
    padding-top: var(--section-y-lg);
    padding-bottom: var(--section-y-lg);
  }

  .page-community .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-community .norms__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: var(--space-6);
  }

  .page-community .norms__figure {
    margin-top: var(--space-4);
  }
}

@media (min-width: 1120px) {
  .page-community .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-community .propose-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-community .topic {
    grid-template-columns: 108px minmax(0, 1fr) auto;
  }
}

@media (max-width: 419px) {
  .page-community .side-num {
    font-size: var(--text-4xl);
  }

  .page-community .topic-index {
    padding-top: 3px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-community .topic,
  .page-community .side-tags a,
  .page-community .link-inline,
  .page-community .media--offset {
    transition: none;
    transform: none;
  }
}
<<<END>>>

.page-community {
  --space-5: var(--space-8);
}