/* ===== 活动参与规则页 ===== */
.page-events-rules {
  --rules-measure: min(var(--measure), 100%);
  background: var(--color-surface);
  color: var(--color-ink);
}

/* 首屏 */
.page-events-rules .rules-hero {
  padding-block-start: var(--space-6);
}

.page-events-rules .rules-hero__media {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(340px, 46vw, 470px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  isolation: isolate;
}

.page-events-rules .rules-hero__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-events-rules .rules-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-surface) 96%, transparent) 0%,
    color-mix(in srgb, var(--color-surface) 88%, transparent) 55%,
    color-mix(in srgb, var(--color-surface) 74%, transparent) 100%
  );
}

.page-events-rules .rules-hero__body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-6) var(--space-4);
}

.page-events-rules .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-events-rules .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.page-events-rules .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: color-mix(in srgb, var(--color-ink-muted) 55%, transparent);
}

.page-events-rules .breadcrumb__list a {
  color: var(--color-primary);
  text-decoration: none;
}

.page-events-rules .breadcrumb__list a:hover,
.page-events-rules .breadcrumb__list a:focus-visible {
  text-decoration: underline;
}

.page-events-rules .rules-hero__title {
  margin: var(--space-2) 0 var(--space-3);
  max-width: 20ch;
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  overflow-wrap: break-word;
}

.page-events-rules .rules-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-lg);
  line-height: 1.68;
  color: var(--color-ink-soft);
}

.page-events-rules .rules-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-4);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-events-rules .rules-hero__facts .num {
  margin-inline-end: 0.3em;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

/* 小节锚点 */
.page-events-rules .rules-jump {
  padding-block: var(--space-4);
}

.page-events-rules .rules-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-events-rules .rules-jump__link {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background 200ms ease, color 200ms ease;
}

.page-events-rules .rules-jump__link:hover,
.page-events-rules .rules-jump__link:focus-visible {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

/* 通用小节头 */
.page-events-rules .rules-head {
  margin-block-end: var(--space-6);
}

.page-events-rules .rules-head__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

.page-events-rules .rules-body {
  max-width: var(--rules-measure);
}

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

.page-events-rules .rules-scope .prose p:last-child {
  margin-block-end: 0;
}

/* 适用条件 */
.page-events-rules .rules-eligibility__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-events-rules .rules-terms {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
}

.page-events-rules .rules-terms__row {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
}

.page-events-rules .rules-terms__row dt {
  margin-block-end: var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
}

.page-events-rules .rules-terms__row dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-events-rules .rules-visual {
  margin: 0;
}

.page-events-rules .rules-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-events-rules .rules-visual__caption {
  margin-block-start: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* 字段说明 */
.page-events-rules .rules-fields__list {
  max-width: var(--rules-measure);
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.page-events-rules .rules-field {
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-events-rules .rules-field__trigger {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: start;
  cursor: pointer;
  transition: background 200ms ease;
}

.page-events-rules .rules-field__trigger:hover {
  background: color-mix(in srgb, var(--color-primary-soft) 60%, transparent);
}

.page-events-rules .rules-field__trigger:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-events-rules .rules-field__no {
  flex: none;
  padding: 0 var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  line-height: 1.9;
}

.page-events-rules .rules-field__name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-events-rules .rules-field__hint {
  margin-inline-start: auto;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-events-rules .rules-field__mark {
  flex: none;
  width: 9px;
  height: 9px;
  border-inline-end: 2px solid var(--color-ink-muted);
  border-block-end: 2px solid var(--color-ink-muted);
  transform: rotate(45deg);
  transition: transform 220ms ease;
}

.page-events-rules .rules-field__trigger[aria-expanded="true"] .rules-field__mark {
  transform: rotate(-135deg);
}

.page-events-rules .rules-field__body {
  padding: 0 var(--space-4) var(--space-3);
}

.page-events-rules .rules-field__body p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-events-rules .expand-panel {
  padding: 0 var(--space-4) var(--space-4);
}

.page-events-rules .field-sample {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* 更新节奏 */
.page-events-rules .rules-cadence__list {
  max-width: var(--rules-measure);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-events-rules .rules-cadence__item {
  position: relative;
  padding-block: var(--space-3);
  padding-inline-start: var(--space-6);
}

.page-events-rules .rules-cadence__item::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block: 0;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-primary), var(--color-highlight));
}

.page-events-rules .rules-cadence__item:first-child::before {
  inset-block-start: 50%;
}

.page-events-rules .rules-cadence__item:last-child::before {
  inset-block-end: 50%;
}

.page-events-rules .rules-cadence__item::after {
  content: "";
  position: absolute;
  inset-inline-start: 2px;
  inset-block-start: calc(50% - 5px);
  width: 10px;
  height: 10px;
  margin-inline-start: -5px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 14%, transparent);
}

.page-events-rules .rules-cadence__stage {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-events-rules .rules-cadence__stage .num {
  margin-inline-end: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
}

.page-events-rules .rules-cadence__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

/* 异常与回看 */
.page-events-rules .rules-exceptions__panel {
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-events-rules .rules-head--console {
  margin-block-end: var(--space-6);
}

.page-events-rules .rules-head__title--console {
  color: var(--color-contrast-ink);
}

.page-events-rules .rules-head__lede--console {
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.page-events-rules .rules-flags {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-events-rules .rules-flag {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-contrast-ink) 8%, transparent);
}

.page-events-rules .rules-flag__label {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-events-rules .rules-flag__label .num {
  margin-inline-end: var(--space-2);
  font-family: var(--font-mono);
  color: var(--color-contrast-accent);
}

.page-events-rules .rules-flag__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-events-rules .rules-flag__text {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-events-rules .rules-flag__action {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-events-rules .rules-flag__status {
  display: inline-block;
  margin-inline-end: var(--space-2);
  padding: 0.15em var(--space-2);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-contrast-accent) 24%, transparent);
  color: var(--color-contrast-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-events-rules .rules-replay {
  margin-block-start: var(--space-6);
  padding-block-start: var(--space-4);
}

.page-events-rules .rules-replay__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-accent);
}

.page-events-rules .rules-replay p {
  max-width: var(--rules-measure);
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.85;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

/* 相邻入口 */
.page-events-rules .rules-paths__panel {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(360px, 48vw, 480px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  isolation: isolate;
}

.page-events-rules .rules-paths__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-events-rules .rules-paths__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--overlay-scrim);
}

.page-events-rules .rules-paths__body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-6) var(--space-4);
  color: var(--color-contrast-ink);
}

.page-events-rules .rules-paths__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-events-rules .rules-paths__list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-events-rules .rules-path__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-contrast-ink) 10%, transparent);
  color: var(--color-contrast-ink);
  text-decoration: none;
  transition: background 220ms ease;
}

.page-events-rules .rules-path__link:hover {
  background: color-mix(in srgb, var(--color-contrast-ink) 20%, transparent);
}

.page-events-rules .rules-path__link:focus-visible {
  outline: 2px solid var(--color-contrast-accent);
  outline-offset: 2px;
}

.page-events-rules .rules-path__name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-accent);
}

.page-events-rules .rules-path__desc {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-events-rules .rules-hero__body {
    padding: var(--space-8) var(--space-8);
    max-width: 74%;
  }

  .page-events-rules .rules-exceptions__panel {
    padding: var(--space-8);
  }

  .page-events-rules .rules-paths__body {
    padding: var(--space-8);
  }

  .page-events-rules .rules-paths__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-events-rules .rules-hero__scrim {
    background: linear-gradient(
      100deg,
      color-mix(in srgb, var(--color-surface) 97%, transparent) 0%,
      color-mix(in srgb, var(--color-surface) 90%, transparent) 40%,
      color-mix(in srgb, var(--color-surface) 48%, transparent) 72%,
      color-mix(in srgb, var(--color-surface) 8%, transparent) 100%
    );
  }
}

@media (min-width: 980px) {
  .page-events-rules .rules-eligibility__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-events-rules .rules-flags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-events-rules .rules-flag:last-child {
    grid-column: 1 / -1;
  }
}
<<<END>>>