.page-events {
  --ev-hero-pad: calc(var(--space-8) + var(--space-2));
}

/* ---------- 首屏 ---------- */
.page-events .ev-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-6) var(--ev-hero-pad);
}

.page-events .ev-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--color-contrast-line) 58%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--color-contrast-line) 58%, transparent) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.12) 100%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.12) 100%);
  pointer-events: none;
}

.page-events .ev-hero__inner {
  position: relative;
  z-index: 1;
}

.page-events .ev-hero .breadcrumb {
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
  font-size: var(--text-sm);
}

.page-events .ev-hero .breadcrumb a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-contrast-line);
}

.page-events .ev-hero .breadcrumb a:hover,
.page-events .ev-hero .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
}

.page-events .ev-hero__grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.page-events .ev-hero .section-label {
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-events .ev-hero__title {
  margin-top: var(--space-3);
  max-width: 12em;
  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);
  color: var(--color-contrast-ink);
  text-wrap: balance;
}

.page-events .ev-hero__lead {
  margin-top: var(--space-4);
  max-width: 34em;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-events .ev-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  border-top: 1px solid var(--color-contrast-line);
  list-style: none;
}

.page-events .ev-index__item {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
}

.page-events .ev-index__num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1;
}

.page-events .ev-index__item--live .ev-index__num {
  color: var(--color-contrast-accent);
}

.page-events .ev-index__item--soon .ev-index__num {
  color: var(--color-primary-soft);
}

.page-events .ev-index__item--doc .ev-index__num {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-events .ev-hero__visual {
  position: relative;
  margin-bottom: var(--space-4);
}

.page-events .ev-hero__visual::after {
  content: "";
  position: absolute;
  right: calc(var(--space-3) * -1);
  bottom: calc(var(--space-3) * -1);
  width: 54%;
  height: 40%;
  border-right: 2px solid var(--color-contrast-accent);
  border-bottom: 2px solid var(--color-contrast-accent);
  pointer-events: none;
}

.page-events .ev-hero .img-frame {
  border-color: var(--color-contrast-line);
  background-color: color-mix(in srgb, var(--color-contrast-surface) 88%, var(--color-contrast-ink));
}

.page-events .ev-hero .img-frame__caption {
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-events .ev-figures {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-contrast-line);
}

.page-events .ev-fig {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-events .ev-fig__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-contrast-ink);
}

.page-events .ev-fig__label {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

/* ---------- 分组跳转 ---------- */
.page-events .ev-jump {
  background-color: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-line);
}

.page-events .ev-jump__list {
  display: flex;
  gap: var(--space-1);
  margin: 0;
  padding: var(--space-2) 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-events .ev-jump__link {
  display: inline-block;
  white-space: nowrap;
  padding: var(--space-1) var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.page-events .ev-jump__link:hover,
.page-events .ev-jump__link:focus-visible {
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  color: var(--color-primary);
}

/* ---------- 分组头 ---------- */
.page-events .ev-group {
  padding-block: var(--section-y);
}

.page-events .ev-group__head {
  display: grid;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-primary);
}

.page-events .ev-group__title {
  margin-top: var(--space-2);
  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-ink);
}

.page-events .ev-group__intro {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-events .ev-group__figure {
  margin-top: var(--space-6);
}

.page-events .ev-group__link {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-events .ev-group__link a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 45%, transparent);
}

.page-events .ev-group__link a:hover,
.page-events .ev-group__link a:focus-visible {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- 条目流 ---------- */
.page-events .flow-item {
  position: relative;
  padding-block: var(--space-6);
}

.page-events .flow-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 74%;
  height: 1px;
  background-color: var(--color-line);
  transition: background-color 200ms ease;
}

.page-events .flow-item--r::before {
  left: auto;
  right: 0;
}

.page-events .flow-item__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-events .flow-item__no {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-events .flow-item__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-events .flow-item__body {
  margin-top: var(--space-4);
}

.page-events .flow-item__status {
  display: flex;
  justify-content: flex-start;
  margin-bottom: var(--space-3);
}

.page-events .flow-item__mech {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-events .flow-item__facts {
  display: grid;
  gap: var(--space-1);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--color-line);
}

.page-events .flow-item__fact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-events .flow-item__fact dt {
  flex: none;
  min-width: 5.2em;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: calc(var(--leading-body) * 1.4);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-events .flow-item__fact dd {
  margin: 0;
  flex: 1 1 12em;
}

.page-events .flow-item__impact {
  margin-top: var(--space-3);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

@media (hover: hover) {
  .page-events .flow-item:hover::before {
    background-color: var(--color-primary);
  }

  .page-events .flow-item:hover .flow-item__title {
    color: var(--color-primary);
  }
}

/* ---------- 总览 ---------- */
.page-events .ev-overview .ev-group__head {
  border-bottom-color: var(--color-ink-muted);
}

.page-events .ev-table-wrap {
  margin-top: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-events .ev-table {
  min-width: 680px;
  width: 100%;
}

.page-events .ev-table th[scope="row"] {
  font-weight: 600;
  color: var(--color-ink);
  text-align: left;
}

.page-events .ev-table td {
  color: var(--color-ink-soft);
}

.page-events .ev-overview__foot {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.page-events .ev-overview__copy p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-events .ev-overview__copy p + p {
  margin-top: var(--space-3);
}

.page-events .ev-overview__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-events .ev-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .page-events .flow-item__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-1) var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-events .ev-hero {
    padding-block: var(--space-8) calc(var(--space-8) * 2);
  }

  .page-events .ev-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: var(--space-8);
  }

  .page-events .ev-hero__visual {
    margin-bottom: calc(var(--space-6) * -1);
  }

  .page-events .ev-group__head {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: end;
    column-gap: var(--space-6);
  }

  .page-events .ev-group__head-left {
    grid-column: 1;
  }

  .page-events .ev-group__intro {
    grid-column: 2;
  }

  .page-events .ev-group__figure {
    margin-top: var(--space-8);
  }

  .page-events .flow-item {
    display: grid;
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    column-gap: var(--space-6);
    padding-block: var(--space-6) calc(var(--space-6) + var(--space-2));
  }

  .page-events .flow-item--r .flow-item__head {
    padding-left: var(--space-8);
  }

  .page-events .flow-item__body {
    margin-top: 0;
  }

  .page-events .flow-item__status {
    justify-content: flex-end;
  }

  .page-events .ev-overview__foot {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: var(--space-8);
  }
}

@media (min-width: 1080px) {
  .page-events .ev-group {
    padding-block: var(--section-y-lg);
  }

  .page-events .flow-item {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    column-gap: var(--space-8);
  }

  .page-events .ev-group__head {
    column-gap: var(--space-8);
  }
}

@media (max-width: 480px) {
  .page-events .ev-hero__visual::after {
    width: 44%;
    height: 34%;
    right: calc(var(--space-2) * -1);
    bottom: calc(var(--space-2) * -1);
  }

  .page-events .flow-item__fact {
    flex-direction: column;
    gap: 0;
  }

  .page-events .flow-item__fact dt {
    min-width: 0;
  }
}