/* ============================================================
   为什么选我们 · 服务路径页
   作用域：.page-strength
   ============================================================ */

.page-strength {
  --st-node-size: 38px;
  --st-anchor-offset: 96px;
  background-color: var(--color-surface);
  color: var(--color-ink);
}

.page-strength .strength-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}

.page-strength .strength-kicker--ink {
  color: var(--color-primary);
}

/* ---------------- 首屏 ---------------- */

.page-strength .strength-hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  background-color: var(--color-contrast-surface);
}

.page-strength .strength-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

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

.page-strength .strength-hero__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
}

.page-strength .strength-hero__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-strength .strength-hero__lead {
  padding: var(--space-6) var(--gutter) var(--space-4);
  min-width: 0;
}

.page-strength .strength-hero__lead .breadcrumb {
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
}

.page-strength .strength-hero__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--color-contrast-ink);
  overflow-wrap: anywhere;
}

.page-strength .strength-hero__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-strength .strength-hero__figures {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-2);
}

.page-strength .strength-hero__figure {
  min-width: 0;
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-ink) 30%, transparent);
  padding-top: var(--space-1);
}

.page-strength .strength-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
}

.page-strength .strength-hero__num--range {
  font-size: var(--text-2xl);
  white-space: nowrap;
  padding-top: 0.28em;
}

.page-strength .strength-hero__cap {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.45;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

/* 右侧阶梯 */

.page-strength .strength-hero__steps {
  background-color: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-primary);
  padding: var(--space-4) var(--gutter) var(--space-6);
  min-width: 0;
}

.page-strength .strength-hero__stephead {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-strength .strength-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-strength .strength-steps__link {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  padding: var(--space-2) var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-line);
  text-decoration: none;
  color: var(--color-ink);
  font-size: var(--text-sm);
  line-height: 1.5;
  transition: background-color 180ms linear, color 180ms linear, padding-left 180ms linear;
}

.page-strength .strength-steps__item:first-child .strength-steps__link {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-strength .strength-steps__item:nth-child(2) .strength-steps__link { margin-left: 5px; }
.page-strength .strength-steps__item:nth-child(3) .strength-steps__link { margin-left: 10px; }
.page-strength .strength-steps__item:nth-child(4) .strength-steps__link { margin-left: 15px; }
.page-strength .strength-steps__item:nth-child(5) .strength-steps__link { margin-left: 20px; }
.page-strength .strength-steps__item:nth-child(6) .strength-steps__link { margin-left: 25px; }
.page-strength .strength-steps__item:nth-child(7) .strength-steps__link { margin-left: 30px; }

.page-strength .strength-steps__link:hover,
.page-strength .strength-steps__link:focus-visible {
  background-color: var(--color-primary-soft);
  padding-left: var(--space-2);
}

.page-strength .strength-steps__no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.page-strength .strength-steps__name {
  font-weight: var(--weight-heading);
  min-width: 0;
}

.page-strength .strength-steps__time {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

/* ---------------- 区块骨架 ---------------- */

.page-strength .strength-stage {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

.page-strength .strength-stage--light {
  background-color: var(--color-surface);
}

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

.page-strength .strength-stage--deep {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-strength .strength-stage__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.page-strength .strength-stage__headline {
  min-width: 0;
}

.page-strength .strength-stage__title {
  margin: var(--space-2) 0 var(--space-3);
  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-strength .strength-stage__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-strength .strength-stage__img {
  display: block;
  width: 100%;
  max-height: 320px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
}

.page-strength .strength-stage--deep .strength-stage__title {
  color: var(--color-contrast-ink);
}

.page-strength .strength-stage--deep .strength-stage__lede {
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-strength .strength-stage--deep .strength-stage__img {
  border-color: var(--color-contrast-line);
}

/* ---------------- 环节节点 ---------------- */

.page-strength .strength-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-strength .strength-track__node {
  display: grid;
  grid-template-columns: var(--st-node-size) minmax(0, 1fr);
  gap: var(--space-2);
  scroll-margin-top: var(--st-anchor-offset);
}

.page-strength .strength-track__marker {
  position: relative;
  width: var(--st-node-size);
  height: var(--st-node-size);
  display: grid;
  place-items: center;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-strength .strength-track__node:not(:last-child) .strength-track__marker::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  width: var(--border-thin);
  height: var(--space-4);
  background-color: var(--color-line);
  transform: translateX(-50%);
}

.page-strength .strength-track__body {
  min-width: 0;
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  padding: var(--space-3);
}

.page-strength .strength-track__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-strength .strength-track__desc a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-strength .strength-track__desc a:hover {
  color: var(--color-focus);
}

.page-strength .strength-track__node:target .strength-track__body {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.page-strength .strength-track__node:target .strength-track__marker {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* 深色面变体 */

.page-strength .strength-track--deep .strength-track__marker {
  border-color: var(--color-contrast-line);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
}

.page-strength .strength-track--deep .strength-track__node:not(:last-child) .strength-track__marker::after {
  background-color: var(--color-contrast-line);
}

.page-strength .strength-track--deep .strength-track__body {
  border-color: var(--color-contrast-line);
  background-color: color-mix(in srgb, var(--color-contrast-ink) 5%, var(--color-contrast-surface));
}

.page-strength .strength-track--deep .strength-track__title {
  color: var(--color-contrast-ink);
}

.page-strength .strength-track--deep .strength-track__desc {
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-strength .strength-track--deep .strength-track__desc a {
  color: var(--color-contrast-accent);
}

.page-strength .strength-track--deep .strength-track__node:target .strength-track__body {
  border-color: var(--color-contrast-accent);
  background-color: color-mix(in srgb, var(--color-contrast-accent) 14%, var(--color-contrast-surface));
}

/* ---------------- 三栏简报 ---------------- */

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

.page-strength .strength-brief__cell {
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 160ms linear;
}

.page-strength .strength-brief__cell dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-strength .strength-brief__cell dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.62;
  color: var(--color-ink-soft);
}

.page-strength .strength-brief__cell:hover {
  background-color: var(--color-primary-soft);
}

.page-strength .strength-stage--deep .strength-brief {
  border-top-color: var(--color-contrast-line);
}

.page-strength .strength-stage--deep .strength-brief__cell {
  border-bottom-color: var(--color-contrast-line);
}

.page-strength .strength-stage--deep .strength-brief__cell dt {
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-strength .strength-stage--deep .strength-brief__cell dd {
  color: var(--color-contrast-ink);
}

.page-strength .strength-stage--deep .strength-brief__cell:hover {
  background-color: color-mix(in srgb, var(--color-contrast-accent) 16%, transparent);
}

/* ---------------- 插图 ---------------- */

.page-strength .strength-snap {
  margin: var(--space-3) 0 0;
  border: var(--border-thin) solid var(--color-line);
}

.page-strength .strength-snap img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-strength .strength-snap figcaption {
  padding: var(--space-1) var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------------- 长期同行 ---------------- */

.page-strength .strength-long {
  padding-top: 0;
}

.page-strength .strength-long__band {
  position: relative;
  isolation: isolate;
  overflow: clip;
  background-color: var(--color-contrast-surface);
}

.page-strength .strength-long__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
}

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

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

.page-strength .strength-long__title {
  margin: var(--space-2) 0 0;
  max-width: 22ch;
  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-contrast-ink);
}

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

/* ---------------- 路径总表 ---------------- */

.page-strength .strength-ledger {
  margin-bottom: var(--space-4);
}

.page-strength .strength-ledger__title {
  margin: var(--space-2) 0 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-strength .strength-ledger__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-strength .strength-tablewrap {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
}

.page-strength .strength-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.page-strength .strength-table thead th {
  padding: var(--space-2);
  text-align: left;
  background-color: var(--color-surface-deep);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  font-weight: var(--weight-body);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-strength .strength-table tbody th,
.page-strength .strength-table tbody td {
  padding: var(--space-2);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
}

.page-strength .strength-table tbody th {
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  white-space: nowrap;
}

.page-strength .strength-table tbody th a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-strength .strength-table tbody th a:hover {
  color: var(--color-focus);
}

.page-strength .strength-table tbody tr:last-child th,
.page-strength .strength-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-strength .strength-table tbody tr:hover th,
.page-strength .strength-table tbody tr:hover td {
  background-color: var(--color-primary-soft);
}

.page-strength .strength-table__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-accent);
  white-space: nowrap;
}

.page-strength .strength-ledger__note {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ---------------- 结尾出口 ---------------- */

.page-strength .strength-outro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  border-top: var(--border-thick) solid var(--color-primary);
  padding-top: var(--space-4);
}

.page-strength .strength-outro__title {
  margin: var(--space-2) 0 var(--space-3);
  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-strength .strength-outro__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-strength .strength-outro__mark {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  word-break: break-all;
}

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

/* ---------------- 响应式 ---------------- */

@media (min-width: 720px) {
  .page-strength .strength-brief {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: var(--border-thin) solid var(--color-line);
  }

  .page-strength .strength-brief__cell {
    padding: var(--space-2);
    border-bottom: var(--border-thin) solid var(--color-line);
  }

  .page-strength .strength-brief__cell + .strength-brief__cell {
    border-left: var(--border-thin) solid var(--color-line);
  }

  .page-strength .strength-brief__cell:first-child {
    padding-left: 0;
  }

  .page-strength .strength-stage__head {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: var(--space-6);
  }

  .page-strength .strength-stage__head--flip .strength-stage__img {
    order: -1;
  }

  .page-strength .strength-stage__img {
    max-height: 360px;
  }
}

@media (min-width: 880px) {
  .page-strength .strength-hero__split {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-strength .strength-hero__lead {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-8) var(--space-6) var(--space-8) var(--gutter);
  }

  .page-strength .strength-hero__steps {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-8) var(--gutter) var(--space-8) var(--space-6);
    border-top: 0;
    border-left: var(--border-thin) solid var(--color-contrast-line);
  }

  .page-strength .strength-stage {
    padding-top: var(--section-y-lg);
    padding-bottom: var(--section-y-lg);
  }

  .page-strength .strength-track {
    gap: var(--space-6);
  }

  .page-strength .strength-long__bandinner {
    padding-top: var(--section-y-lg);
    padding-bottom: var(--section-y-lg);
  }

  .page-strength .strength-long__body {
    padding-top: var(--section-y-lg);
    padding-bottom: var(--section-y-lg);
  }

  .page-strength .strength-long__title {
    font-size: var(--text-4xl);
  }

  .page-strength .strength-outro__grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
    gap: var(--space-6);
  }

  .page-strength .strength-outro__acts {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-strength .strength-stage__title {
    font-size: var(--text-3xl);
  }

  .page-strength .strength-ledger__title,
  .page-strength .strength-outro__title {
    font-size: var(--text-3xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-strength .strength-steps__link,
  .page-strength .strength-brief__cell {
    transition: none;
  }
}
<<<END>>>