.page-contact {
  --co-ink-line: var(--ink-900);
  --co-card-shadow: 8px 8px 0 var(--gold);
  --co-deep-text: var(--paper-0);
}

.page-contact .co-hero {
  background: var(--ink-900);
  color: var(--paper-0);
  padding-bottom: 0;
}

.page-contact .co-hero__crumb {
  margin-bottom: 22px;
}

.page-contact .co-hero .breadcrumb__link,
.page-contact .co-hero .breadcrumb__item {
  color: var(--paper-hi);
}

.page-contact .co-hero .breadcrumb__link {
  text-decoration-color: var(--gold);
}

.page-contact .co-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-contact .co-hero__lead .eyebrow {
  color: var(--gold);
}

.page-contact .co-hero__lead h1 {
  margin: 14px 0 18px;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper-0);
}

.page-contact .co-hero__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 248, 240, 0.82);
  max-width: 44em;
}

.page-contact .co-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .co-contact-card {
  background: var(--paper-0);
  color: var(--ink-900);
  border: var(--bw) solid var(--ink-900);
  box-shadow: var(--co-card-shadow);
  padding: 20px 18px 18px;
}

.page-contact .co-contact-card__head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: var(--bw) solid var(--ink-900);
}

.page-contact .co-contact-card__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-contact .co-contact-card__list {
  margin: 0;
  padding: 4px 0 0;
}

.page-contact .co-contact-card__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--fog);
}

.page-contact .co-contact-card__row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(11, 34, 57, 0.62);
}

.page-contact .co-contact-card__row dd {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .co-mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--mono-ink);
}

.page-contact .co-contact-card__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(11, 34, 57, 0.72);
}

.page-contact .co-hero__shot {
  margin: 28px 0 0;
  border-top: var(--bw) solid var(--gold);
  padding-top: 8px;
}

.page-contact .co-hero__shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  border: var(--bw) solid var(--ink-800);
  filter: saturate(0.72);
}

.page-contact .co-hero__cap {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

/* 合作类型横向带 */
.page-contact .co-types {
  background: var(--paper);
  color: var(--ink-900);
}

.page-contact .co-types__head {
  max-width: 46em;
  margin-bottom: 22px;
}

.page-contact .co-types__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(238px, 82%);
  gap: 14px;
  overflow-x: auto;
  max-width: 100%;
  padding: 4px 2px 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-contact .co-type {
  scroll-snap-align: start;
  background: var(--paper-0);
  border: var(--bw) solid var(--ink-900);
  box-shadow: var(--shadow-hard-sm);
  padding: 16px 16px 18px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .co-type:hover,
.page-contact .co-type:focus-within {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 var(--ink-900);
  border-color: var(--gold-deep);
}

.page-contact .co-type__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 3px;
}

.page-contact .co-type__title {
  margin: 12px 0 6px;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-contact .co-type__for {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--red);
}

.page-contact .co-type__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(11, 34, 57, 0.8);
}

.page-contact .co-type__prep {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--fog);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-800);
}

.page-contact .co-type__prep span {
  color: var(--gold-deep);
  margin-right: 6px;
}

/* 四步流程 */
.page-contact .co-flow {
  background: var(--ink-900);
  color: var(--paper-0);
}

.page-contact .co-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .co-flow__figure {
  margin: 0;
  border: var(--bw) solid var(--ink-800);
  outline: 1px solid rgba(200, 162, 74, 0.5);
  outline-offset: 4px;
  background: var(--ink-800);
}

.page-contact .co-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.02);
}

.page-contact .co-flow__cap {
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
  border-top: 1px solid rgba(251, 248, 240, 0.16);
}

.page-contact .co-flow__body .eyebrow {
  color: var(--gold);
}

.page-contact .co-flow__body h2 {
  color: var(--paper-0);
  margin: 12px 0 12px;
}

.page-contact .co-flow__body .section-lede {
  color: rgba(251, 248, 240, 0.78);
}

.page-contact .co-flow__line {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: 18px 0 14px;
  opacity: 0.85;
}

.page-contact .co-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .co-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 14px 14px 16px;
  background: rgba(251, 248, 240, 0.06);
  border: var(--bw) solid rgba(251, 248, 240, 0.2);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .co-step:hover,
.page-contact .co-step:focus-within {
  transform: translateY(-2px);
  border-color: var(--gold);
  background: rgba(251, 248, 240, 0.1);
  box-shadow: 6px 6px 0 rgba(200, 162, 74, 0.38);
}

.page-contact .co-step__num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
  border-right: 1px solid rgba(200, 162, 74, 0.5);
  padding-right: 8px;
}

.page-contact .co-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper-0);
}

.page-contact .co-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 248, 240, 0.8);
}

.page-contact .co-step__more {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--green);
}

/* 联系方式 */
.page-contact .co-channels {
  background: var(--paper-0);
  color: var(--ink-900);
}

.page-contact .co-channels__head {
  max-width: 46em;
  margin-bottom: 22px;
}

.page-contact .co-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .co-channel {
  border: var(--bw) solid var(--ink-900);
  border-left-width: 8px;
  border-left-color: var(--ink-800);
  padding: 16px 16px 18px;
  background: var(--paper);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .co-channel:hover {
  border-left-color: var(--gold);
  transform: translateY(-2px);
}

.page-contact .co-channel--mail {
  border-left-color: var(--red);
  background: var(--paper-0);
}

.page-contact .co-channel__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-contact .co-channel__value {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  word-break: break-word;
  color: var(--ink-900);
}

.page-contact .co-channel__value--addr {
  font-family: var(--font-sans);
  font-size: 16px;
  letter-spacing: 0.02em;
}

.page-contact .co-channel__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(11, 34, 57, 0.76);
}

.page-contact .co-response {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px;
  background: var(--paper-hi);
  border: var(--bw) solid var(--ink-900);
}

.page-contact .co-response__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-contact .co-response .btn {
  justify-self: start;
}

/* 准备清单 */
.page-contact .co-prep {
  background: var(--paper);
  color: var(--ink-900);
}

.page-contact .co-prep__head {
  max-width: 46em;
  margin-bottom: 22px;
}

.page-contact .co-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--bw) solid var(--ink-900);
}

.page-contact .co-check {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 6px 14px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--fog);
  transition: background var(--dur) var(--ease);
}

.page-contact .co-check:hover {
  background: var(--paper-0);
}

.page-contact .co-check__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-deep);
  padding-top: 3px;
}

.page-contact .co-check__title {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-contact .co-check__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(11, 34, 57, 0.78);
}

/* 尾部指引 */
.page-contact .co-tail {
  background: var(--ink-800);
  color: var(--paper-0);
  padding-top: 34px;
  padding-bottom: 34px;
}

.page-contact .co-tail__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  border-left: 3px solid var(--gold);
  padding-left: 16px;
}

.page-contact .co-tail__title {
  margin: 0 0 6px;
  font-size: 22px;
  line-height: 1.35;
  color: var(--paper-0);
}

.page-contact .co-tail__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(251, 248, 240, 0.76);
}

.page-contact .co-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 768px) {
  .page-contact .co-hero__grid {
    gap: 34px;
  }

  .page-contact .co-contact-card__row {
    grid-template-columns: 96px 1fr;
    align-items: baseline;
    gap: 12px;
  }

  .page-contact .co-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .co-response {
    grid-template-columns: auto 1fr auto;
    gap: 14px;
  }

  .page-contact .co-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-contact .co-tail__inner {
    grid-template-columns: 1fr auto;
    padding-left: 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .co-hero {
    padding-top: 48px;
  }

  .page-contact .co-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }

  .page-contact .co-contact-card {
    padding: 24px 24px 22px;
  }

  .page-contact .co-hero__shot {
    margin-top: 40px;
  }

  .page-contact .co-types__rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 4px;
  }

  .page-contact .co-flow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .co-flow__figure {
    position: sticky;
    top: 28px;
  }

  .page-contact .co-step {
    grid-template-columns: 56px 1fr;
    padding: 16px 18px 18px;
  }

  .page-contact .co-channels__grid {
    gap: 18px;
  }

  .page-contact .co-prep__list {
    column-gap: 40px;
  }
}

@media (min-width: 1200px) {
  .page-contact .co-hero__grid {
    gap: 56px;
  }

  .page-contact .co-type__title {
    font-size: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .co-type,
  .page-contact .co-step,
  .page-contact .co-channel,
  .page-contact .co-check {
    transition: none;
  }

  .page-contact .co-type:hover,
  .page-contact .co-step:hover,
  .page-contact .co-channel:hover {
    transform: none;
  }
}
<<<END>>>