/* ===================================================
   覆盖范围 /coverage/ —— 页面作用域 .page-network
   =================================================== */

.page-network {
  --net-rule: var(--border-thin) dashed var(--color-line);
  --net-rule-strong: var(--border-thin) dashed var(--color-primary);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-network .breadcrumb {
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 首屏框景 ---------- */
.page-network .network-hero {
  padding-top: var(--space-3);
  padding-bottom: var(--space-6);
}

.page-network .network-hero__inner {
  position: relative;
  border: var(--border-thin) dashed var(--color-line);
  padding: var(--space-6) var(--space-3) var(--space-6);
}

.page-network .network-hero__inner::before,
.page-network .network-hero__inner::after {
  content: "";
  position: absolute;
  width: var(--space-3);
  height: var(--space-3);
  border: var(--border-thin) solid var(--color-primary);
}

.page-network .network-hero__inner::before {
  top: calc(var(--border-thin) * -1);
  left: calc(var(--border-thin) * -1);
  border-right: 0;
  border-bottom: 0;
}

.page-network .network-hero__inner::after {
  bottom: calc(var(--border-thin) * -1);
  right: calc(var(--border-thin) * -1);
  border-left: 0;
  border-top: 0;
}

.page-network .network-hero__title {
  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-ink);
  margin: var(--space-3) 0 var(--space-4);
}

.page-network .network-hero__lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  margin: 0;
}

.page-network .network-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: var(--net-rule);
}

.page-network .network-hero__figure {
  min-width: 0;
}

.page-network .network-hero__figure dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-1);
}

.page-network .network-hero__figure dd {
  margin: 0;
  color: var(--color-primary);
  line-height: 1;
}

.page-network .network-unit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin-left: 0.35em;
}

/* ---------- 四组锚点索引 ---------- */
.page-network .network-map {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.page-network .network-map__list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(76%, 1fr);
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  border-top: var(--net-rule);
  border-bottom: var(--net-rule);
}

.page-network .network-map__item {
  scroll-snap-align: start;
  border-right: var(--net-rule);
}

.page-network .network-map__item:last-child {
  border-right: 0;
}

.page-network .network-map__link {
  display: block;
  padding: var(--space-4) var(--space-3);
  color: var(--color-ink);
  text-decoration: none;
}

.page-network .network-map__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.page-network .network-map__label {
  display: block;
  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);
  margin-bottom: var(--space-1);
}

.page-network .network-map__hint {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.5;
}

.page-network .network-map__link:hover .network-map__label,
.page-network .network-map__link:focus-visible .network-map__label {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 0.28em;
}

/* ---------- 分组通用 ---------- */
.page-network .network-group {
  scroll-margin-top: var(--space-6);
}

.page-network .network-group__head {
  max-width: 62ch;
  padding-bottom: var(--space-4);
  border-bottom: var(--net-rule);
}

.page-network .network-group__title {
  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);
  margin: var(--space-2) 0 var(--space-3);
}

.page-network .network-group__lede {
  margin: 0;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-network .network-group:target .network-group__title {
  color: var(--color-accent);
}

.page-network .network-group__lead {
  margin: var(--space-6) 0 0;
}

.page-network .media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-network .media__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.5;
}

/* ---------- 筛选条 ---------- */
.page-network .network-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  padding-bottom: var(--space-4);
  border-bottom: var(--net-rule);
}

.page-network .filter-chip {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  background: transparent;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-network .filter-chip:hover {
  color: var(--color-ink);
  border-color: var(--color-primary);
}

.page-network .filter-chip.is-active {
  color: var(--color-accent-ink);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- 模块矩阵 ---------- */
.page-network .network-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.page-network .network-mod {
  position: relative;
  min-width: 0;
  border-top: var(--net-rule-strong);
  padding-top: var(--space-4);
}

.page-network .network-mod__mark {
  position: absolute;
  top: var(--space-3);
  right: 0;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.16;
  pointer-events: none;
  transition: opacity 320ms ease;
}

.page-network .network-mod:hover .network-mod__mark,
.page-network .network-mod:focus-within .network-mod__mark {
  opacity: 1;
}

.page-network .network-mod__title {
  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-ink);
  margin: 0;
  padding-right: var(--space-8);
}

.page-network .network-mod__body {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-network .network-mod__facts {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: var(--net-rule);
  display: grid;
  gap: var(--space-1);
}

.page-network .network-mod__facts > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.page-network .network-mod__facts dt {
  color: var(--color-ink-muted);
}

.page-network .network-mod__facts dd {
  margin: 0;
  color: var(--color-ink);
  text-align: right;
}

.page-network .network-mod__go {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
}

.page-network .network-mod__go a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) dashed var(--color-accent);
  padding-bottom: 0.12em;
}

.page-network .network-mod__go a:hover,
.page-network .network-mod__go a:focus-visible {
  color: var(--color-focus);
  border-bottom-style: solid;
}

/* ---------- 时段分组：列表 + 竖图 ---------- */
.page-network .network-timing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.page-network .network-timing__list {
  display: grid;
  gap: var(--space-6);
  min-width: 0;
}

/* ---------- 设备分组：两对 + 中间横图 ---------- */
.page-network .network-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.page-network .network-devices__pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  min-width: 0;
}

/* ---------- 到店强对比面板 ---------- */
.page-network .network-venue__panel {
  padding: var(--space-6) var(--space-3);
}

.page-network .network-venue__eyebrow {
  color: var(--color-contrast-accent);
}

.page-network .network-venue__eyebrow::before {
  background: var(--color-contrast-accent);
}

.page-network .network-venue__title {
  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-contrast-ink);
  margin: var(--space-2) 0 var(--space-3);
}

.page-network .network-venue__lede {
  margin: 0;
  color: var(--color-contrast-ink);
  opacity: 0.82;
  max-width: var(--measure);
}

.page-network .network-venue__facts {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) dashed var(--color-contrast-line);
  display: grid;
  gap: var(--space-3);
}

.page-network .network-venue__facts > div {
  display: grid;
  grid-template-columns: minmax(0, 8em) minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
  font-size: var(--text-sm);
}

.page-network .network-venue__facts dt {
  font-family: var(--font-mono);
  color: var(--color-contrast-accent);
}

.page-network .network-venue__facts dd {
  margin: 0;
  color: var(--color-contrast-ink);
}

.page-network .network-venue__key {
  color: var(--color-contrast-accent);
}

.page-network .network-venue__cta {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-network .network-venue__cta .btn {
  background: transparent;
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease;
}

.page-network .network-venue__cta .btn:hover,
.page-network .network-venue__cta .btn:focus-visible {
  background: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-network .network-venue__figure {
  margin: var(--space-6) 0 0;
  min-width: 0;
}

.page-network .contrast-panel .media__caption {
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

.page-network .network-venue__foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-network .network-venue__foot a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) dashed var(--color-accent);
  padding-bottom: 0.12em;
}

.page-network .network-venue__foot a:hover,
.page-network .network-venue__foot a:focus-visible {
  border-bottom-style: solid;
  color: var(--color-focus);
}

/* ===================================================
   响应式
   =================================================== */

@media (min-width: 720px) {
  .page-network .network-hero__inner {
    padding: var(--space-8) var(--space-6);
  }

  .page-network .network-hero__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-network .network-venue__panel {
    padding: var(--space-8) var(--space-6);
  }

  .page-network .network-devices__pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6) var(--gutter);
  }
}

@media (min-width: 860px) {
  .page-network .network-map__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow-x: visible;
  }

  .page-network .network-map__item {
    border-right: var(--net-rule);
  }

  .page-network .network-matrix {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-8) var(--gutter);
    margin-top: var(--space-8);
  }

  .page-network .network-matrix--a .network-mod--wide {
    grid-column: span 7;
  }

  .page-network .network-matrix--a .network-mod:not(.network-mod--wide) {
    grid-column: span 5;
  }

  .page-network .network-timing {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
    margin-top: var(--space-8);
  }

  .page-network .network-timing__figure {
    margin-top: var(--space-4);
  }

  .page-network .network-devices {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-8) var(--gutter);
    margin-top: var(--space-8);
  }

  .page-network .network-devices__pair {
    grid-column: span 12;
  }

  .page-network .network-devices__figure {
    grid-column: 3 / span 8;
    margin-top: 0;
  }

  .page-network .network-venue__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: var(--space-8);
    align-items: center;
  }

  .page-network .network-venue__figure {
    margin-top: 0;
  }

  .page-network .network-venue__facts > div {
    grid-template-columns: minmax(0, 7em) minmax(0, 1fr);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-network .network-mod__mark,
  .page-network .filter-chip,
  .page-network .network-venue__cta .btn {
    transition: none;
  }

  .page-network .network-mod__mark {
    opacity: 0.6;
  }
}
</main>