.page-process {
  --step-line: var(--color-line);
  --step-ink: var(--color-ink);
  --step-soft: var(--color-ink-soft);
  --step-key: var(--color-primary);
  --step-key-soft: var(--color-primary-soft);
  --step-panel: var(--color-surface-alt);
  --step-panel-ink: var(--color-ink);
  background: var(--color-surface);
  color: var(--color-ink);
}

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

/* ---------- 首屏 ---------- */
.page-process .process-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-6) var(--space-8);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-process .process-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(110% 90% at 88% -20%, color-mix(in srgb, var(--color-contrast-accent) 20%, transparent) 0%, transparent 62%),
    repeating-linear-gradient(90deg, color-mix(in srgb, var(--color-contrast-line) 60%, transparent) 0 1px, transparent 1px 72px);
  opacity: 0.75;
}

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

.page-process .process-hero .breadcrumb {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-process .process-hero .breadcrumb a {
  color: var(--color-contrast-ink);
}

.page-process .process-hero__kicker {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
}

.page-process .process-hero__title {
  margin: var(--space-2) 0 0;
  max-width: 16ch;
  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);
}

.page-process .process-hero__lead {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

/* 横向刻度轴 */
.page-process .process-axis {
  position: relative;
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.page-process .process-axis__link {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  min-height: 48px;
  padding: var(--space-2);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  color: var(--color-contrast-ink);
  text-decoration: none;
}

.page-process .process-axis__link:hover,
.page-process .process-axis__link:focus-visible {
  border-color: var(--color-contrast-accent);
  background: color-mix(in srgb, var(--color-contrast-accent) 14%, transparent);
}

.page-process .process-axis__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-contrast-accent);
}

.page-process .process-axis__name {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
}

.page-process .process-axis__sub {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

/* 三个时间点 */
.page-process .process-clock {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-process .process-clock__item {
  display: grid;
  gap: 2px;
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-contrast-accent);
}

.page-process .process-clock__num {
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-process .process-clock__unit {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-process .process-clock__label {
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
}

.page-process .process-hero__figure {
  margin: var(--space-6) 0 0;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-process .process-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 四个阶段 ---------- */
.page-process .process-stage {
  padding-block: var(--section-y);
  border-bottom: 1px solid var(--step-line);
}

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

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

.page-process .process-stage--deep {
  --step-line: var(--color-contrast-line);
  --step-ink: var(--color-contrast-ink);
  --step-soft: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
  --step-key: var(--color-contrast-accent);
  --step-key-soft: color-mix(in srgb, var(--color-contrast-accent) 16%, transparent);
  --step-panel: color-mix(in srgb, var(--color-contrast-ink) 8%, transparent);
  --step-panel-ink: var(--color-contrast-ink);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

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

.page-process .process-stage__rail {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--step-key);
}

.page-process .process-stage__num {
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--step-key);
}

.page-process .process-stage__ticks {
  display: block;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--step-line) 0 1px, transparent 1px 9px);
}

.page-process .process-stage__tag {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--step-soft);
}

.page-process .process-stage__title {
  margin: 0;
  max-width: 24ch;
  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(--step-ink);
}

.page-process .process-step {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--step-ink);
}

.page-process .process-step__k {
  display: inline-block;
  margin-right: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--step-key);
  vertical-align: 2px;
}

.page-process .process-step--need {
  padding-left: var(--space-3);
  border-left: 1px solid var(--step-line);
  color: var(--step-soft);
}

.page-process .process-step--do {
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--step-key);
  font-weight: var(--weight-heading);
}

.page-process .process-step--get {
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4);
  border-left: var(--border-thin) solid var(--step-key);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--step-key-soft);
}

.page-process .process-fact {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  border: var(--border-thin) solid var(--step-line);
  border-radius: var(--radius-sm);
  background: var(--step-panel);
  color: var(--step-panel-ink);
}

.page-process .process-fact > summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  list-style: none;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--step-panel-ink);
}

.page-process .process-fact > summary::-webkit-details-marker {
  display: none;
}

.page-process .process-fact > summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--step-key);
}

.page-process .process-fact[open] > summary::before {
  content: "–";
}

.page-process .process-fact[open] > summary {
  border-bottom: 1px solid var(--step-line);
}

.page-process .process-fact p {
  margin: 0;
  padding: var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--step-soft);
}

.page-process .process-stage__next {
  margin: var(--space-4) 0 0;
}

.page-process .process-stage__figure {
  margin: 0;
  border: var(--border-thin) solid var(--step-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-process .process-stage__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-process .process-stage__figure--wide {
  margin-top: var(--space-6);
}

.page-process .process-stage__figure--wide img {
  aspect-ratio: 7 / 4;
}

.page-process .process-stage__figure--square {
  max-width: 100%;
}

.page-process .process-stage__figure--square img {
  aspect-ratio: 1 / 1;
}

.page-process .process-stage__caption {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--step-line);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--step-soft);
}

/* 集锦与统计互跳 */
.page-process .process-swap {
  display: grid;
  gap: var(--space-3);
  max-width: 720px;
  margin-top: var(--space-6);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--step-key);
  border-radius: var(--radius-md);
  background: var(--step-key-soft);
}

.page-process .process-swap__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--step-ink);
}

.page-process .process-swap__line {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
}

.page-process .process-swap__path {
  fill: none;
  stroke: var(--step-key);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-process .process-swap__head {
  fill: var(--step-key);
}

/* 长期段的赛季刻度 */
.page-process .process-season {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

.page-process .process-season__item {
  display: grid;
  gap: 2px;
  padding-left: var(--space-2);
  border-left: 1px solid var(--step-line);
}

.page-process .process-season__tick {
  display: block;
  height: 6px;
  background: var(--step-key);
}

.page-process .process-season__item:nth-child(1) .process-season__tick {
  width: 18%;
}

.page-process .process-season__item:nth-child(2) .process-season__tick {
  width: 38%;
}

.page-process .process-season__item:nth-child(3) .process-season__tick {
  width: 62%;
}

.page-process .process-season__item:nth-child(4) .process-season__tick {
  width: 88%;
}

.page-process .process-season__label {
  font-size: var(--text-sm);
  color: var(--step-ink);
}

.page-process .process-season__desc {
  font-size: var(--text-sm);
  color: var(--step-soft);
}

/* ---------- 出口 ---------- */
.page-process .process-exit {
  padding-block: var(--section-y-lg);
  background: var(--color-surface-deep);
  border-top: var(--border-thin) solid var(--color-primary);
}

.page-process .process-exit__num {
  margin: 0;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-process .process-exit__title {
  margin: var(--space-2) 0 0;
  max-width: 22ch;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-process .process-exit__text {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-process .process-exit__mail {
  color: var(--color-primary);
  white-space: nowrap;
}

.page-process .process-exit__list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

/* ---------- 桌面 ---------- */
@media (min-width: 640px) {
  .page-process .process-clock {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .page-process .process-exit__list {
    grid-template-columns: repeat(2, minmax(0, max-content));
    gap: var(--space-3);
  }

  .page-process .process-stage__figure--square {
    max-width: 320px;
  }
}

@media (min-width: 800px) {
  .page-process .process-axis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding-block: var(--space-4);
    border-top: 1px solid var(--color-contrast-line);
    border-bottom: 1px solid var(--color-contrast-line);
  }

  .page-process .process-axis__item {
    position: relative;
    padding-top: var(--space-3);
    padding-right: var(--space-3);
  }

  .page-process .process-axis__item:last-child {
    padding-right: 0;
  }

  .page-process .process-axis__item::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-contrast-line);
  }

  .page-process .process-axis__link {
    min-height: 0;
    padding: 0;
    border-color: transparent;
    border-radius: 0;
    gap: 2px;
  }

  .page-process .process-axis__link:hover,
  .page-process .process-axis__link:focus-visible {
    border-color: transparent;
    background: transparent;
    text-decoration: underline;
    text-decoration-color: var(--color-contrast-accent);
    text-decoration-thickness: 2px;
  }

  .page-process .process-hero__lead {
    font-size: var(--text-xl);
  }

  .page-process .process-stage__title {
    font-size: var(--text-3xl);
  }
}

@media (min-width: 900px) {
  .page-process .process-stage__inner {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-process .process-stage--figure .process-stage__inner {
    grid-template-columns: 190px minmax(0, 1fr) 300px;
  }

  .page-process .process-stage--figure .process-stage__figure {
    margin-top: var(--space-2);
  }

  .page-process .process-exit__title {
    font-size: var(--text-3xl);
  }
}