/* ===================== 校验机制 / page-certification ===================== */

.page-certification .cert-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-6) var(--space-8);
}

.page-certification .cert-hero-inner {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 960px) {
  .page-certification .cert-hero-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--space-4) var(--space-6);
  }
}

.page-certification .cert-hero-copy {
  min-width: 0;
}

.page-certification .cert-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
}

.page-certification .cert-crumb a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--color-contrast-accent);
  padding-bottom: 2px;
}

.page-certification .cert-crumb a:hover,
.page-certification .cert-crumb a:focus-visible {
  color: var(--color-contrast-accent);
}

.page-certification .cert-crumb .breadcrumb-sep {
  color: var(--color-contrast-accent);
}

.page-certification .cert-hero-kicker {
  color: var(--color-contrast-accent);
}

.page-certification .cert-hero-title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-certification .cert-hero-title-main {
  display: block;
  font-size: var(--text-display);
}

.page-certification .cert-hero-title-sub {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-accent);
}

.page-certification .cert-hero-lead {
  max-width: 56ch;
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-certification .cert-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: 0;
  padding-top: var(--space-3);
  border-top: var(--border-thick) solid var(--color-contrast-line);
}

@media (min-width: 960px) {
  .page-certification .cert-figures {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
    padding-top: 0;
    padding-left: var(--space-3);
    border-top: 0;
    border-left: var(--border-thick) solid var(--color-contrast-line);
  }
}

.page-certification .cert-figure {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}

.page-certification .cert-figure dt {
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--color-contrast-ink);
}

.page-certification .cert-figure dd {
  margin: 0;
}

.page-certification .cert-figure-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  font-size: var(--text-figure);
  line-height: 0.9;
  color: var(--color-contrast-accent);
}

/* --- 首屏轨道 --- */
.page-certification .cert-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  align-items: center;
  height: 62px;
  margin-top: var(--space-6);
}

.page-certification .cert-rail::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 6px;
  transform: translateY(-50%);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-line);
}

.page-certification .cert-rail-node {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--color-contrast-accent);
}

.page-certification .cert-rail-node:nth-child(3n) {
  width: 16px;
  height: 16px;
  border-radius: 5px;
}

.page-certification .cert-rail-node:nth-child(4n + 1) {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--color-primary);
}

.page-certification .cert-rail-node:nth-child(5n) {
  background: var(--color-contrast-ink);
}

@media (min-width: 700px) {
  .page-certification .cert-rail {
    height: 78px;
  }

  .page-certification .cert-rail::before {
    height: 8px;
  }

  .page-certification .cert-rail-node {
    width: 14px;
    height: 14px;
    border-radius: 4px;
  }

  .page-certification .cert-rail-node:nth-child(3n) {
    width: 22px;
    height: 22px;
    border-radius: 7px;
  }

  .page-certification .cert-rail-node:nth-child(4n + 1) {
    width: 32px;
    height: 32px;
    border-radius: 9px;
  }
}

.page-certification .cert-hero-media {
  position: relative;
  margin: var(--space-4) 0 0;
  border: var(--border-thick) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-contrast-surface);
}

.page-certification .cert-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
}

/* --- 悬浮目录带 --- */
.page-certification .cert-tocbar {
  background: var(--color-surface);
  border-bottom: var(--border-thick) solid var(--color-line);
}

.page-certification .cert-toc {
  padding-block: var(--space-2);
}

.page-certification .cert-toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-certification .cert-toc-link {
  display: inline-block;
  padding: 6px 16px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface-alt);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  text-decoration: none;
}

.page-certification .cert-toc-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-certification .cert-toc-link.is-active,
.page-certification .cert-toc-link[aria-current="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* --- 通用区块 --- */
.page-certification .cert-block {
  padding-block: var(--section-y);
}

@media (min-width: 960px) {
  .page-certification .cert-block {
    padding-block: var(--section-y-lg);
  }
}

.page-certification .band--contrast {
  color: var(--color-contrast-ink);
}

.page-certification .band--contrast .section-title,
.page-certification .band--contrast .cert-block-note,
.page-certification .band--contrast .cert-entry-name,
.page-certification .band--contrast .cert-entry-change,
.page-certification .band--contrast .cert-entry-outcome {
  color: var(--color-contrast-ink);
}

.page-certification .band--contrast .kicker {
  color: var(--color-contrast-accent);
}

.page-certification .cert-block-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-certification .cert-block-head--split {
  max-width: none;
}

@media (min-width: 900px) {
  .page-certification .cert-block-head--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: end;
  }
}

.page-certification .cert-block-note {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-certification .cert-inline-link {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 3px solid var(--color-primary-soft);
}

.page-certification .cert-inline-link:hover {
  border-bottom-color: var(--color-primary);
}

.page-certification .band--contrast .cert-inline-link {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-line);
}

.page-certification .band--contrast .cert-inline-link:hover {
  border-bottom-color: var(--color-contrast-accent);
}

.page-certification .cert-mono {
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
}

/* --- 总览阶段卡 --- */
.page-certification .cert-stage-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .page-certification .cert-stage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-certification .cert-stage-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-certification .cert-stage-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-certification .cert-stage-card:nth-child(4) {
    transform: translateY(12px);
  }
}

.page-certification .cert-stage-card {
  padding: var(--space-3);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  background: var(--color-surface);
}

.page-certification .cert-stage-card:nth-child(1) {
  background: var(--color-primary-soft);
}

.page-certification .cert-stage-card:nth-child(2) {
  background: var(--color-surface);
}

.page-certification .cert-stage-card:nth-child(3) {
  background: var(--color-surface-deep);
}

.page-certification .cert-stage-card:nth-child(4) {
  background: var(--color-highlight);
}

.page-certification .cert-stage-no {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-certification .cert-stage-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-certification .cert-stage-link {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(var(--color-primary), var(--color-primary));
  background-repeat: no-repeat;
  background-size: 100% 4px;
  background-position: 0 100%;
  transition: background-size 0.18s ease, color 0.18s ease;
}

.page-certification .cert-stage-link:hover,
.page-certification .cert-stage-link:focus-visible {
  color: var(--color-primary);
  background-size: 100% 10px;
}

.page-certification .cert-stage-criteria {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-certification .cert-stage-meta {
  margin: 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* --- 节点列表 --- */
.page-certification .cert-node-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-certification .cert-entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-3);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  background: var(--color-surface);
}

.page-certification .cert-entry-id {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin: 0;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1;
}

.page-certification .cert-entry:nth-child(even) .cert-entry-id {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-certification .cert-entry-body {
  min-width: 0;
}

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

.page-certification .cert-entry-change {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-certification .cert-entry-label {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 9px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-deep);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  vertical-align: 2px;
}

.page-certification .cert-entry-outcome {
  margin: 0;
  padding: var(--space-2);
  border-left: 5px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-highlight);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink);
}

.page-certification .cert-entry-outcome-label {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 9px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  vertical-align: 2px;
}

/* --- 左右分栏 --- */
.page-certification .cert-split {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 960px) {
  .page-certification .cert-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-certification .cert-split--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  }

  .page-certification .cert-split--flip .cert-split-side {
    order: -1;
  }
}

.page-certification .cert-split-side {
  display: grid;
  gap: var(--space-3);
}

.page-certification .cert-aside-figure {
  margin: 0;
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.page-certification .cert-aside-media {
  position: relative;
}

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

.page-certification .cert-note-box {
  padding: var(--space-3);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-certification .cert-note-box--dark {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-certification .cert-note-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-certification .cert-note-box--dark .cert-note-title {
  color: var(--color-contrast-accent);
}

.page-certification .cert-note-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
}

.page-certification .cert-note-list li {
  padding-bottom: 6px;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-certification .cert-note-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-certification .cert-note-list .cert-mono {
  color: var(--color-primary);
}

.page-certification .cert-note-box--dark .cert-note-list {
  color: var(--color-contrast-ink);
}

.page-certification .cert-note-box--dark .cert-note-list li {
  border-bottom-color: var(--color-contrast-line);
}

.page-certification .cert-note-foot {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-certification .cert-note-box--dark .cert-note-foot {
  color: var(--color-contrast-ink);
}

/* --- 深色区块内的条目 --- */
.page-certification .band--contrast .cert-entry {
  background: transparent;
  border-color: var(--color-contrast-line);
  box-shadow: none;
}

.page-certification .band--contrast .cert-entry-id {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-certification .band--contrast .cert-entry:nth-child(even) .cert-entry-id {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-certification .band--contrast .cert-entry-label {
  background: color-mix(in srgb, var(--color-contrast-ink) 16%, transparent);
  color: var(--color-contrast-ink);
}

.page-certification .band--contrast .cert-entry-outcome {
  background: color-mix(in srgb, var(--color-contrast-accent) 14%, transparent);
  border-left-color: var(--color-contrast-accent);
  color: var(--color-contrast-ink);
}

.page-certification .band--contrast .cert-entry-outcome-label {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

/* --- 状态带 --- */
.page-certification .cert-status-strip {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thick) solid var(--color-contrast-line);
}

@media (min-width: 760px) {
  .page-certification .cert-status-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-certification .cert-status {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-contrast-accent) 9%, transparent);
}

.page-certification .cert-status-name {
  display: inline-block;
  margin: 0 0 var(--space-2);
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.page-certification .cert-status-desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-certification .cert-closing {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

/* --- 窄屏兜底 --- */
@media (max-width: 599px) {
  .page-certification .cert-entry {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-certification .cert-entry-id {
    width: 40px;
    height: 40px;
    font-size: var(--text-sm);
  }

  .page-certification .cert-hero-media img {
    max-height: none;
  }
}