.page-contact {
  --contact-gap: clamp(20px, 3vw, 36px);
  --contact-pad: clamp(22px, 3vw, 36px);
  display: block;
}

.page-contact .breadcrumbs {
  padding: 22px 0 6px;
  font-size: 13px;
  color: var(--graphite);
  letter-spacing: .02em;
}

.page-contact .breadcrumbs a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-contact .breadcrumbs a:hover {
  border-bottom-color: var(--lake);
}

.page-contact .breadcrumbs span[aria-hidden="true"] {
  margin: 0 8px;
  color: var(--line);
}

.page-contact .breadcrumbs span[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: clamp(20px, 3vw, 40px) 0 clamp(40px, 6vw, 76px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .contact-hero__main h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 8.4vw, 72px);
  line-height: 1.06;
  letter-spacing: -.03em;
  font-weight: 800;
  color: var(--ink);
  max-width: 15ch;
}

.page-contact .contact-hero__main .lead {
  margin: 20px 0 0;
  max-width: 62ch;
  color: var(--graphite);
}

.page-contact .hero-keys {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  margin: 30px 0 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-contact .hero-keys__item {
  padding: 16px 18px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .hero-keys dt {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--graphite);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-contact .hero-keys dd {
  margin: 0;
  font-size: 20px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -.01em;
}

/* 右侧时段卡 */

.page-contact .speed-card {
  position: relative;
  background: var(--ink);
  color: var(--snow);
  padding: var(--contact-pad);
  overflow: hidden;
}

.page-contact .speed-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 8px;
  background: var(--rape);
  transform: skewX(var(--skew));
  transform-origin: 100% 0;
}

.page-contact .speed-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--rape);
  text-transform: uppercase;
}

.page-contact .speed-card__clock {
  margin: 14px 0 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: clamp(38px, 10vw, 62px);
  line-height: 1;
  letter-spacing: -.03em;
}

.page-contact .speed-card__clock em {
  font-style: normal;
  font-size: .5em;
  color: var(--lake-mist);
}

.page-contact .speed-scale {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 4px;
  margin: 22px 0 8px;
}

.page-contact .speed-scale span {
  height: 12px;
  background: rgba(245, 197, 24, .5);
}

.page-contact .speed-scale span:nth-child(-n+4) {
  background: var(--rape);
}

.page-contact .speed-axis {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--lake-mist);
  letter-spacing: .06em;
}

.page-contact .speed-card__note {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
}

.page-contact .hero-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-contact .hero-shortcuts__link {
  display: inline-block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--lake);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--snow);
  transition: border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}

.page-contact .hero-shortcuts__link:hover {
  border-color: var(--lake);
  background: var(--lake-mist);
}

/* ---------- 提交方式 ---------- */

.page-contact .contact-routes {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-contact .section-head .lead {
  max-width: 64ch;
}

.page-contact .route-media {
  margin: 30px 0 0;
}

.page-contact .route-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .route-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .route-card {
  position: relative;
  background: var(--snow);
  border: 1px solid var(--line);
  padding: var(--contact-pad);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .route-card:hover {
  transform: translateY(-4px);
  border-color: var(--lake);
}

.page-contact .route-card--signal {
  border-left: 4px solid var(--signal);
}

.page-contact .route-card__no {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--graphite);
}

.page-contact .route-card h3 {
  margin: 10px 0 12px;
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .route-card p {
  margin: 0;
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .route-card__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .route-card__list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .route-card__list li:last-child {
  margin-bottom: 0;
}

.page-contact .route-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--rape);
}

.page-contact .route-card__list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-contact .routes-foot {
  margin: 26px 0 0;
  font-size: 15px;
  color: var(--graphite);
}

.page-contact .routes-foot a,
.page-contact .channels-foot a,
.page-contact .coop-note a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color .18s var(--ease);
}

.page-contact .routes-foot a:hover,
.page-contact .channels-foot a:hover,
.page-contact .coop-note a:hover {
  border-bottom-color: var(--lake);
}

/* ---------- 流程 ---------- */

.page-contact .contact-flow {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-contact .flow {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .flow__step {
  position: relative;
  padding: 22px 0 26px 0;
  border-top: 1px solid var(--line);
}

.page-contact .flow__no {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .flow__title {
  margin: 8px 0 10px;
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .flow__text {
  margin: 0;
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .flow-note {
  margin-top: 30px;
  padding: 20px 22px;
  background: var(--lake-mist);
  display: grid;
  gap: 10px;
  border-left: 4px solid var(--lake);
}

.page-contact .flow-note__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lake-deep);
}

.page-contact .flow-note__val {
  margin: 0;
  font-size: 15px;
  color: var(--lake-deep);
  line-height: 1.7;
}

/* ---------- 联系方式 ---------- */

.page-contact .contact-channels {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-top: 32px;
}

.page-contact .channel-card {
  background: var(--snow);
  border: 1px solid var(--line);
  padding: var(--contact-pad);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--lake);
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--graphite);
}

.page-contact .channel-card__title {
  margin: 8px 0 14px;
  font-size: 20px;
  color: var(--ink);
  letter-spacing: -.01em;
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: clamp(15px, 2.4vw, 18px);
  color: var(--ink);
  font-weight: 700;
  word-break: break-all;
  padding: 12px 14px;
  background: var(--fog);
  border-left: 3px solid var(--rape);
}

.page-contact .channel-card__value--addr {
  border-left-color: var(--lake);
  line-height: 1.6;
  word-break: normal;
}

.page-contact .channel-card__desc {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .channel-card--ink {
  background: var(--ink);
  border-color: var(--ink);
}

.page-contact .channel-card--ink .channel-card__label {
  color: var(--rape);
}

.page-contact .channel-card--ink .channel-card__title {
  color: var(--snow);
}

.page-contact .channel-card--ink .channel-card__value {
  background: rgba(255, 255, 255, .08);
  color: var(--snow);
  border-left-color: var(--rape);
}

.page-contact .channel-card--ink .channel-card__desc {
  color: rgba(255, 255, 255, .78);
}

.page-contact .channels-foot {
  margin: 28px 0 0;
  font-size: 15px;
  color: var(--graphite);
  max-width: 70ch;
}

/* ---------- 合作 ---------- */

.page-contact .contact-coop {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .coop-main .lead {
  max-width: 60ch;
}

.page-contact .coop-list {
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

.page-contact .coop-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .coop-item__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .coop-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .coop-note {
  margin: 26px 0 0;
  font-size: 15px;
  color: var(--graphite);
}

.page-contact .coop-aside {
  background: var(--fog);
  border-top: 4px solid var(--lake);
  padding: var(--contact-pad);
  align-self: start;
}

.page-contact .coop-stat {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .coop-stat:first-child {
  padding-top: 0;
}

.page-contact .coop-stat__value {
  margin: 0;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--lake);
}

.page-contact .coop-stat__label {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--graphite);
  line-height: 1.6;
}

.page-contact .coop-aside__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 线下 ---------- */

.page-contact .contact-office {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-contact .section-head--on-dark .section-title--on-dark {
  color: var(--snow);
}

.page-contact .eyebrow--on-dark {
  color: var(--rape);
}

.page-contact .office-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  margin-top: 34px;
}

.page-contact .office-info__addr {
  margin: 0 0 26px;
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--snow);
  font-weight: 700;
  padding-left: 18px;
  border-left: 4px solid var(--rape);
}

.page-contact .office-row {
  padding: 16px 0;
  border-top: 1px solid var(--line-light);
}

.page-contact .office-row__key {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--rape);
}

.page-contact .office-row__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .8);
}

.page-contact .office-media {
  margin: 0;
}

.page-contact .office-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .media-caption--light {
  color: rgba(255, 255, 255, .68);
}

/* ---------- 速览条 ---------- */

.page-contact .contact-quick {
  padding: clamp(36px, 5vw, 60px) 0 clamp(48px, 7vw, 80px);
}

.page-contact .quick-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .quick-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .quick-item__key {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--graphite);
}

.page-contact .quick-item__val {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .quick-note {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--graphite);
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop-item {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-contact .quick-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .route-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .route-card:nth-child(2) {
    margin-top: 48px;
  }

  .page-contact .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-contact .flow__step {
    padding-right: 12px;
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .office-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel-card--ink {
    margin-top: 28px;
  }

  .page-contact .quick-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .channel-card,
  .page-contact .hero-shortcuts__link,
  .page-contact .breadcrumbs a {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .channel-card:hover {
    transform: none;
  }
}
<<<END>>>