.page-certification {
  background-color: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */

.page-certification .cert-hero {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: calc(var(--space-8) + var(--space-6)) 0 var(--space-8);
}

.page-certification .cert-hero .link-inline {
  color: var(--color-contrast-ink);
}

.page-certification .cert-hero .link-inline:hover,
.page-certification .cert-hero .link-inline:focus-visible {
  color: var(--color-contrast-accent);
}

.page-certification .cert-hero__title {
  margin: var(--space-4) 0 var(--space-6);
  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-certification .cert-hero__body {
  display: grid;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-certification .cert-hero__lede {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, var(--color-contrast-surface));
}

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

.page-certification .cert-figure {
  border-top: var(--border-thick) solid var(--color-contrast-accent);
  padding-top: var(--space-2);
}

.page-certification .cert-figure__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-contrast-accent);
}

.page-certification .cert-figure__unit {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, var(--color-contrast-surface));
}

.page-certification .cert-hero__mech {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-certification .cert-mech {
  background-color: color-mix(in srgb, var(--color-contrast-ink) 7%, var(--color-contrast-surface));
  border: var(--border-thin) solid var(--color-contrast-line);
  border-top: var(--border-thick) solid var(--color-contrast-accent);
  padding: var(--space-3);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-certification .cert-mech:hover {
  border-color: var(--color-contrast-accent);
  transform: translateX(2px);
}

.page-certification .cert-mech__no {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

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

.page-certification .cert-mech__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, var(--color-contrast-surface));
}

.page-certification .cert-hero__media {
  margin: var(--space-6) 0 0;
}

.page-certification .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-certification .cert-hero__media .media__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, var(--color-contrast-surface));
}

@media (min-width: 900px) {
  .page-certification .cert-hero__body {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: var(--space-8);
    align-items: end;
  }
}

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

/* ---------- 案例区块 ---------- */

.page-certification .cert-block {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background-color: var(--color-surface);
}

.page-certification .cert-block--deep {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

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

.page-certification .cert-block__title {
  margin: var(--space-3) 0;
  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-certification .cert-block--deep .cert-block__title {
  color: var(--color-contrast-ink);
}

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

.page-certification .cert-block--deep .cert-block__lede {
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, var(--color-contrast-surface));
}

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

.page-certification .cert-block--deep .cert-block__note {
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, var(--color-contrast-surface));
}

.page-certification .cert-block--deep .eyebrow {
  color: var(--color-contrast-accent);
}

.page-certification .cert-block__figure {
  margin: 0 0 var(--space-6);
}

.page-certification .cert-block__figure .media__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-certification .cert-block--deep .cert-block__figure .media__caption {
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, var(--color-contrast-surface));
}

.page-certification .cert-block__cases {
  display: grid;
}

.page-certification .cert-case {
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-line);
  transition: border-color 0.18s ease;
}

.page-certification .cert-case:first-child {
  border-top: none;
  padding-top: 0;
}

.page-certification .cert-case:hover {
  border-top-color: var(--color-accent);
}

.page-certification .cert-case__head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  align-items: baseline;
  margin-bottom: var(--space-3);
}

.page-certification .cert-case__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  transition: color 0.18s ease;
}

.page-certification .cert-case:hover .cert-case__no {
  color: var(--color-accent);
}

.page-certification .cert-case__title {
  margin: 0;
  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-certification .cert-case__rows {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.page-certification .cert-case__row {
  display: grid;
  gap: var(--space-1);
}

.page-certification .cert-case__row dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

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

.page-certification .cert-case__row--result {
  border-left: var(--border-thick) solid var(--color-accent);
  padding-left: var(--space-2);
}

.page-certification .cert-case__figure {
  font-family: var(--font-mono);
  font-size: 1.18em;
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

.page-certification .cert-block--deep .cert-case {
  border-top-color: var(--color-contrast-line);
}

.page-certification .cert-block--deep .cert-case:hover {
  border-top-color: var(--color-contrast-accent);
}

.page-certification .cert-block--deep .cert-case__no {
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, var(--color-contrast-surface));
}

.page-certification .cert-block--deep .cert-case:hover .cert-case__no {
  color: var(--color-contrast-accent);
}

.page-certification .cert-block--deep .cert-case__title {
  color: var(--color-contrast-ink);
}

.page-certification .cert-block--deep .cert-case__row dt {
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, var(--color-contrast-surface));
}

.page-certification .cert-block--deep .cert-case__row dd {
  color: color-mix(in srgb, var(--color-contrast-ink) 92%, var(--color-contrast-surface));
}

.page-certification .cert-block--deep .cert-case__row--result {
  border-left-color: var(--color-contrast-accent);
}

.page-certification .cert-block--deep .cert-case__figure {
  color: var(--color-contrast-accent);
}

@media (min-width: 640px) {
  .page-certification .cert-case__row {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: var(--space-2);
  }
}

@media (min-width: 1024px) {
  .page-certification .cert-block__inner {
    gap: var(--space-8);
    align-items: start;
  }

  .page-certification .cert-block--access .cert-block__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-certification .cert-block--feed .cert-block__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-certification .cert-block--rule .cert-block__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

/* ---------- 联系出口 ---------- */

.page-certification .cert-contact {
  padding-top: var(--section-y-lg);
  padding-bottom: var(--section-y-lg);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

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

.page-certification .cert-contact .link-inline {
  color: var(--color-contrast-accent);
}

.page-certification .cert-contact__title {
  margin: var(--space-3) 0;
  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-certification .cert-contact__text {
  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) 82%, var(--color-contrast-surface));
}

.page-certification .cert-contact__next {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, var(--color-contrast-surface));
}

.page-certification .cert-channel {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-certification .cert-channel__item {
  display: grid;
  gap: var(--space-1);
  border: var(--border-thin) solid var(--color-contrast-line);
  padding: var(--space-3);
  transition: border-color 0.18s ease;
}

.page-certification .cert-channel__item:hover {
  border-color: var(--color-contrast-accent);
}

.page-certification .cert-channel__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-certification .cert-channel__value {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  overflow-wrap: anywhere;
}

.page-certification .cert-channel__note {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, var(--color-contrast-surface));
}

@media (min-width: 1024px) {
  .page-certification .cert-contact__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
    align-items: start;
  }
}