.page-community-rules {
  --rules-rail-w: calc(var(--space-8) * 4);
  --rules-rule-code-col: calc(var(--space-8) + var(--space-2));
  background: var(--color-surface-alt);
}

.page-community-rules .rules-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-2);
  padding-block: var(--space-6) var(--space-8);
}

.page-community-rules .rules-flow {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

/* ---------- 编号索引 ---------- */

.page-community-rules .rules-toc {
  margin-bottom: var(--space-3);
  min-width: 0;
}

.page-community-rules .rules-toc .toc-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}

.page-community-rules .rules-toc .toc-list {
  display: flex;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-1);
  overflow-x: auto;
}

.page-community-rules .rules-toc .toc-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: var(--text-sm);
  line-height: 1.35;
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.page-community-rules .rules-toc .toc-code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-community-rules .rules-toc .toc-link:hover,
.page-community-rules .rules-toc .toc-link:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.page-community-rules .rules-toc .toc-link.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-community-rules .rules-toc .toc-link.is-active .toc-code {
  color: var(--color-primary-ink);
}

/* ---------- 面板通用 ---------- */

.page-community-rules .rules-sec {
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-5, var(--space-4)) var(--space-3);
}

.page-community-rules .rules-sec.band--contrast {
  border-color: var(--color-contrast-line);
}

.page-community-rules .rules-sec .section-head {
  margin: 0 0 var(--space-3);
}

.page-community-rules .rules-sec .kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
  margin: 0;
}

.page-community-rules .rules-sec .section-title {
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: var(--space-1) 0 0;
  max-width: 26ch;
}

.page-community-rules .rules-sec-lede {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
}

/* ---------- 首屏 ---------- */

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

.page-community-rules .rules-headshapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  pointer-events: none;
}

.page-community-rules .rules-headshapes .shape {
  position: absolute;
  display: block;
}

.page-community-rules .rules-headshapes .shape--circle {
  width: calc(var(--space-8) * 2.5);
  height: calc(var(--space-8) * 2.5);
  top: calc(var(--space-8) * -1);
  right: calc(var(--space-4) * -1);
  border-radius: 50%;
  background: var(--color-primary-soft);
}

.page-community-rules .rules-headshapes .shape--square {
  width: var(--space-6);
  height: var(--space-6);
  bottom: var(--space-3);
  left: calc(var(--space-4) * -1);
  border-radius: var(--radius-sm);
  background: var(--color-highlight);
  transform: rotate(18deg);
}

.page-community-rules .rules-headshapes .shape--wedge {
  width: calc(var(--space-8) * 1.4);
  height: calc(var(--space-8) * 1.4);
  top: 42%;
  right: 30%;
  background: var(--color-primary);
  opacity: 0.32;
  clip-path: polygon(0 100%, 100% 100%, 50% 0);
}

.page-community-rules .rules-head-inner {
  position: relative;
  z-index: 1;
}

.page-community-rules .rules-head .breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

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

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

.page-community-rules .rules-head-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-3);
  align-items: start;
}

.page-community-rules h1 {
  font-size: var(--text-4xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: var(--space-2) 0 0;
  max-width: 18ch;
}

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

.page-community-rules .rules-lede a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: calc(var(--space-1) / 2);
}

.page-community-rules .rules-head-note {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-4);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--space-3)), calc(100% - var(--space-3)) 100%, 0 100%);
}

.page-community-rules .rules-note-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-2);
}

.page-community-rules .rules-note-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-community-rules .rules-head-note .stamp {
  display: block;
  margin: var(--space-3) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-contrast-accent);
}

/* ---------- 规则范围 ---------- */

.page-community-rules .rules-scope {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.page-community-rules .rules-prose p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-community-rules .rules-prose p:last-child {
  margin-bottom: 0;
}

.page-community-rules .rules-prose .mark {
  font-weight: var(--weight-heading);
}

.page-community-rules .rules-counts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
}

.page-community-rules .rules-count {
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-2);
  box-shadow: var(--shadow-1);
}

.page-community-rules .rules-count dt {
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-community-rules .rules-count dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-community-rules .rules-count:nth-child(2) dd {
  color: var(--color-accent);
}

.page-community-rules .rules-count dd span {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  color: var(--color-ink-soft);
}

/* ---------- 图片 ---------- */

.page-community-rules .rules-figure {
  margin: 0 0 var(--space-5, var(--space-4));
}

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

.page-community-rules .rules-figure--square img {
  max-width: min(100%, calc(var(--space-8) * 5));
}

.page-community-rules .rules-figure-cap {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.03em;
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-community-rules .rules-figure-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
  margin-bottom: var(--space-4);
}

.page-community-rules .rules-figure-note {
  background: var(--color-surface-deep);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.page-community-rules .rules-figure-note .rules-note-label {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

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

/* ---------- 规则条目 ---------- */

.page-community-rules .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thick) solid var(--color-line);
}

.page-community-rules .rule {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding-top: var(--space-4);
  padding-bottom: calc(var(--space-4) + var(--space-1));
  border-bottom: var(--border-thick) solid var(--color-line);
}

.page-community-rules .rule::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(var(--space-1) * 2);
  height: var(--border-thin);
  background: var(--color-line);
  opacity: 0.7;
  pointer-events: none;
}

.page-community-rules .rule-code {
  margin: 0;
  justify-self: start;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  line-height: 1;
}

.page-community-rules .rule-title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

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

.page-community-rules .rule-text a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: calc(var(--space-1) / 2);
}

.page-community-rules .rule-meta {
  margin: 0;
  max-width: var(--measure);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-accent);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-community-rules .rule-meta-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

/* ---------- 误标提示框 ---------- */

.page-community-rules .rules-callout {
  margin-top: var(--space-6);
  padding: var(--space-4);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-primary-soft);
}

.page-community-rules .rules-callout-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-community-rules .rules-callout-list {
  margin: 0;
  padding-left: var(--space-3);
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

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

/* ---------- 相邻主题 ---------- */

.page-community-rules .rules-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-community-rules .rules-next-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-community-rules .rules-next-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-community-rules .rules-next-item:first-child {
  padding-top: 0;
}

.page-community-rules .rules-next-code {
  margin: 0;
  align-self: start;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.page-community-rules .rules-next-title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
}

.page-community-rules .rules-next-title a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-primary);
}

.page-community-rules .rules-next-title a:hover,
.page-community-rules .rules-next-title a:focus-visible {
  color: var(--color-primary);
}

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

/* ---------- 深色分节内的反相 ---------- */

.page-community-rules .band--contrast .kicker {
  color: var(--color-contrast-accent);
}

.page-community-rules .band--contrast .section-title,
.page-community-rules .band--contrast .rule-title,
.page-community-rules .band--contrast .rules-next-title a {
  color: var(--color-contrast-ink);
}

.page-community-rules .band--contrast .rules-sec-lede,
.page-community-rules .band--contrast .rule-text {
  color: var(--color-contrast-ink);
}

.page-community-rules .band--contrast .rule-list,
.page-community-rules .band--contrast .rule {
  border-color: var(--color-contrast-line);
}

.page-community-rules .band--contrast .rule::before {
  background: var(--color-contrast-line);
  opacity: 1;
}

.page-community-rules .band--contrast .rule-code {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-community-rules .band--contrast .rule-meta {
  border-left-color: var(--color-contrast-accent);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-community-rules .band--contrast .rule-meta-label {
  color: var(--color-contrast-accent);
}

.page-community-rules .band--contrast .rules-figure-cap {
  border-left-color: var(--color-contrast-accent);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-community-rules .rules-sec {
    padding: var(--space-6) var(--space-4);
  }

  .page-community-rules .rule {
    grid-template-columns: var(--rules-rule-code-col) minmax(0, 1fr);
    gap: var(--space-2) var(--space-4);
    align-items: start;
  }

  .page-community-rules .rules-next-item {
    grid-template-columns: var(--rules-rule-code-col) minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-community-rules .rules-figure-row {
    grid-template-columns: minmax(0, calc(var(--space-8) * 5)) minmax(0, 1fr);
    gap: var(--space-6);
  }
}

@media (min-width: 900px) {
  .page-community-rules .rules-wrap {
    padding-inline: var(--gutter);
    padding-block: var(--section-y) var(--section-y-lg);
  }

  .page-community-rules .rules-sec {
    padding: var(--space-8) var(--space-6);
  }

  .page-community-rules .rules-head-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: end;
  }

  .page-community-rules .rules-scope {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--space-6);
  }

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

@media (min-width: 1100px) {
  .page-community-rules .rules-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--rules-rail-w);
    column-gap: var(--space-6);
    align-items: start;
  }

  .page-community-rules .rules-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--space-8) + var(--space-4));
    align-self: start;
    margin-bottom: 0;
    padding-left: var(--space-3);
    border-left: var(--border-thick) solid var(--color-line);
  }

  .page-community-rules .rules-toc .toc-list {
    flex-direction: column;
    gap: var(--space-1);
    overflow: visible;
    padding-bottom: 0;
  }

  .page-community-rules .rules-toc .toc-link {
    width: 100%;
    box-sizing: border-box;
    justify-content: flex-start;
    white-space: normal;
    border-radius: var(--radius-md);
  }

  .page-community-rules .rules-flow {
    grid-column: 1;
    grid-row: 1;
  }
}

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