/* ===== 为什么选我们 · 页面专属样式（作用域 .page-strength） ===== */

.page-strength {
  --strength-rail-w: 88px;
}

.page-strength img {
  max-width: 100%;
  height: auto;
}

.page-strength .breadcrumb {
  padding-top: var(--space-4);
}

/* ---------- 首屏 ---------- */

.page-strength .journey-hero {
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
}

.page-strength .journey-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-strength .journey-rail {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-strength .journey-rail__item {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  padding-inline-end: var(--space-2);
  border-inline-end: var(--border-thin) solid var(--color-line);
}

.page-strength .journey-rail__item:last-child {
  padding-inline-end: 0;
  border-inline-end: 0;
}

.page-strength .journey-hero__body {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-strength .journey-hero__title {
  margin: 0;
  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-ink);
}

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

.page-strength .hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-strength .hero-figure {
  display: grid;
  gap: var(--space-1);
  align-content: start;
}

.page-strength .hero-figure__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-strength .hero-figure__label {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-strength .journey-hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.page-strength .journey-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-strength .journey-hero {
    padding-top: var(--space-8);
    padding-bottom: var(--section-y);
  }

  .page-strength .journey-hero__grid {
    grid-template-columns: var(--strength-rail-w) minmax(0, 1.12fr) minmax(0, 0.86fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-strength .journey-rail {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: var(--space-3);
    padding-left: var(--space-3);
    border-left: var(--border-thin) solid var(--color-line);
  }

  .page-strength .journey-rail__item {
    position: relative;
    font-size: var(--text-2xl);
    padding-inline-end: 0;
    border-inline-end: 0;
  }

  .page-strength .journey-rail__item::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--space-3));
    top: 50%;
    width: var(--space-1);
    height: var(--space-1);
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    transform: translate(-50%, -50%);
  }
}

/* ---------- 旅程分段 ---------- */

.page-strength .stage__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding-left: var(--space-4);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-strength .stage__inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-1);
  width: var(--space-1);
  height: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  transform: translateX(-50%);
}

.page-strength .stage__content {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-strength .stage__index {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0 0 var(--space-1);
  padding: 0;
}

.page-strength .stage__index-num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-strength .stage__index-label {
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
}

.page-strength .stage__content > h2 {
  margin: 0;
  color: var(--color-ink);
}

.page-strength .stage__content > p {
  margin: 0;
  max-width: var(--measure);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-strength .stage__figure {
  margin: var(--space-2) 0 var(--space-1);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
}

.page-strength .stage__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 可展开的步骤说明 */

.page-strength .stage__detail {
  margin-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-strength .stage__detail > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-strength .stage__detail > summary::-webkit-details-marker {
  display: none;
}

.page-strength .stage__detail > summary::marker {
  content: "";
}

.page-strength .stage__detail > summary::after {
  content: "展开";
  flex: 0 0 auto;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-pill);
  padding: calc(var(--space-1) / 4) var(--space-2);
}

.page-strength .stage__detail[open] > summary::after {
  content: "收起";
}

.page-strength .stage__facts {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0 0 var(--space-3);
}

.page-strength .stage__fact {
  display: grid;
  grid-template-columns: 5.4em minmax(0, 1fr);
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.page-strength .stage__fact dt {
  color: var(--color-ink-soft);
  letter-spacing: 0.04em;
}

.page-strength .stage__fact dd {
  margin: 0;
  color: var(--color-ink);
}

/* 反色结果小块 */

.page-strength .stage__content > .stage__result {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* 证据区 */

.page-strength .stage__evidence {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-strength .stage__evidence figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
}

.page-strength .stage__evidence img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-strength .evidence {
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.page-strength .section--alt .evidence {
  background: var(--color-surface);
}

.page-strength .evidence__label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-strength .evidence__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-strength .evidence__list {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding-left: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-strength .stage__aside {
  margin: 0;
  font-size: var(--text-sm);
}

.page-strength .stage__aside-link,
.page-strength .evidence a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 4px;
}

.page-strength .stage__aside-link:hover,
.page-strength .evidence a:hover {
  color: var(--color-primary);
}

@media (min-width: 880px) {
  .page-strength .stage__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.82fr);
    column-gap: var(--space-6);
    padding-left: var(--space-6);
  }
}

/* ---------- 城市站切换 ---------- */

.page-strength .city-switch {
  margin-top: var(--space-2);
}

.page-strength .city-switch__input,
.page-strength .phase-tabs__input {
  position: absolute;
  width: var(--border-thin);
  height: var(--border-thin);
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-strength .city-switch__strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
}

.page-strength .city-switch__chip {
  cursor: pointer;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
  background: transparent;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-strength #city-sh:checked ~ .city-switch__strip .city-switch__chip--sh,
.page-strength #city-gz:checked ~ .city-switch__strip .city-switch__chip--gz,
.page-strength #city-cd:checked ~ .city-switch__strip .city-switch__chip--cd {
  color: var(--color-accent-ink);
  background: var(--color-focus);
  border-color: var(--color-focus);
}

.page-strength .city-switch__panel {
  display: none;
}

.page-strength .city-switch__panel > h3 {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

.page-strength .city-switch__panel > p {
  margin: 0;
  max-width: var(--measure);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-strength #city-sh:checked ~ .city-switch__panels .city-switch__panel--sh,
.page-strength #city-gz:checked ~ .city-switch__panels .city-switch__panel--gz,
.page-strength #city-cd:checked ~ .city-switch__panels .city-switch__panel--cd {
  display: block;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

/* ---------- 比赛日时段条带 ---------- */

.page-strength .phase-tabs {
  margin-top: var(--space-2);
}

.page-strength .phase-tabs__bar {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-strength .phase-tabs__bar::-webkit-scrollbar {
  display: none;
}

.page-strength .phase-tabs__tab {
  flex: 0 0 auto;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--color-ink-soft);
  border-bottom: calc(var(--border-thin) + var(--border-thin)) solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-strength #phase-pre:checked ~ .phase-tabs__bar .phase-tabs__tab--pre,
.page-strength #phase-live:checked ~ .phase-tabs__bar .phase-tabs__tab--live,
.page-strength #phase-stoppage:checked ~ .phase-tabs__bar .phase-tabs__tab--stoppage,
.page-strength #phase-final:checked ~ .phase-tabs__bar .phase-tabs__tab--final {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

.page-strength .phase-tabs__panel {
  display: none;
}

.page-strength #phase-pre:checked ~ .phase-tabs__panels .phase-tabs__panel--pre,
.page-strength #phase-live:checked ~ .phase-tabs__panels .phase-tabs__panel--live,
.page-strength #phase-stoppage:checked ~ .phase-tabs__panels .phase-tabs__panel--stoppage,
.page-strength #phase-final:checked ~ .phase-tabs__panels .phase-tabs__panel--final {
  display: block;
  padding-top: var(--space-3);
}

.page-strength .phase-tabs__panel > p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-strength .phase-tabs__panel > .phase-tabs__meta {
  margin-bottom: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 结尾出口 ---------- */

.page-strength .closing__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-strength .closing__lead > h2 {
  margin: 0 0 var(--space-3);
  color: var(--color-contrast-ink);
}

.page-strength .closing__lead > p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-strength .closing__lead > .closing__contact {
  margin-bottom: 0;
  font-size: var(--text-sm);
  line-height: 1.9;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, var(--color-contrast-surface));
}

.page-strength .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-content: start;
}

.page-strength .closing__extra {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  margin-top: var(--space-5, var(--space-4));
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-strength .closing__extra a {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-contrast-accent);
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 4px;
}

.page-strength .closing__extra a:hover {
  color: var(--color-contrast-accent);
}

@media (min-width: 880px) {
  .page-strength .closing__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    column-gap: var(--space-6);
  }

  .page-strength .closing__actions {
    justify-content: flex-start;
  }
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-strength .city-switch__chip,
  .page-strength .phase-tabs__tab {
    transition: none;
  }
}
</main>

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