.page-contact {
  --pc-gap: clamp(20px, 3vw, 38px);
  --pc-y: clamp(48px, 7vw, 96px);
  color: var(--body);
  overflow-x: clip;
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}
.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}
.page-contact .breadcrumb__list li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-contact .breadcrumb__list li + li::before {
  content: "/";
  color: var(--line);
}
.page-contact .breadcrumb__link {
  color: var(--cyan-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .breadcrumb__current {
  color: var(--muted-deep);
}

/* 共享分隔带在本页的留白 */
.page-contact .section-band {
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ============ 首屏 ============ */
.page-contact .ct-hero {
  padding-top: clamp(26px, 5vw, 58px);
}
.page-contact .ct-hero__head {
  padding-bottom: clamp(28px, 4vw, 48px);
}
.page-contact .ct-hero__eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
}
.page-contact .ct-hero__title {
  margin: 0 0 22px;
  max-width: 13em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 9vw, 84px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--body);
}
.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel);
}
.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 58vw;
  object-fit: cover;
  filter: saturate(.82) contrast(1.1) brightness(.8);
}
.page-contact .ct-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5,16,14,.6) 0%, rgba(5,16,14,0) 42%, rgba(5,16,14,.9) 100%);
}

/* ============ 01 联系方式总览 ============ */
.page-contact .ct-direct {
  padding: var(--pc-y) 0;
}
.page-contact .ct-direct__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-bottom: var(--pc-gap);
}
.page-contact .ct-channel {
  position: relative;
  padding: clamp(20px, 3vw, 30px) 0 clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line);
}
.page-contact .ct-channel::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent 78%);
}
.page-contact .ct-channel__label {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
}
.page-contact .ct-channel__value {
  display: inline-block;
  margin: 0 0 14px;
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(19px, 3.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
  border-bottom: 2px solid var(--cyan);
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .ct-channel:hover .ct-channel__value {
  color: var(--cyan-dim);
  border-bottom-color: var(--cyan-dim);
}
.page-contact .ct-channel__hint {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .ct-addr {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 30px);
  border-left: 3px solid var(--turf);
}
.page-contact .ct-addr__label {
  color: var(--muted);
}
.page-contact .ct-addr__text {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.6;
  color: var(--paper);
  letter-spacing: .01em;
}
.page-contact .ct-addr__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 02 问题分流 ============ */
.page-contact .ct-route {
  padding-bottom: var(--pc-y);
}
.page-contact .ct-route__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}
.page-contact .ct-route-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 30px);
  background: var(--panel);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .ct-route-card:hover,
.page-contact .ct-route-card:focus-within {
  background: var(--turf);
  transform: translateY(-2px);
}
.page-contact .ct-route-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--cyan);
}
.page-contact .ct-route-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .ct-route-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body);
}
.page-contact .ct-route-card__list {
  margin: auto 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}
.page-contact .ct-route-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}
.page-contact .ct-route-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 7px;
  height: 1px;
  background: var(--cyan-dim);
}

/* ============ 03 邮件清单 ============ */
.page-contact .ct-brief {
  padding: var(--pc-y) 0;
  border-top: 1px solid var(--line);
}
.page-contact .ct-brief__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}
.page-contact .ct-brief__intro .prose {
  margin: 0;
}
.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .ct-checklist__item {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .ct-checklist__label {
  display: grid;
  grid-template-columns: 20px 1fr;
  column-gap: 14px;
  row-gap: 4px;
  padding: 15px 2px;
  cursor: pointer;
}
.page-contact .ct-checklist__box {
  grid-column: 1;
  grid-row: 1;
  margin: 3px 0 0;
  width: 17px;
  height: 17px;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  display: grid;
  place-content: center;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-contact .ct-checklist__box::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: scale(0);
  transition: transform var(--dur) var(--ease);
}
.page-contact .ct-checklist__box:checked {
  border-color: var(--cyan);
  background: var(--ink);
}
.page-contact .ct-checklist__box:checked::after {
  transform: scale(1);
}
.page-contact .ct-checklist__box:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-contact .ct-checklist__text {
  grid-column: 2;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}
.page-contact .ct-checklist__why {
  grid-column: 2;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ============ 04 响应时效 ============ */
.page-contact .ct-sla {
  padding: var(--pc-y) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18,51,43,.42) 0%, rgba(18,51,43,0) 72%);
}
.page-contact .ct-sla__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}
.page-contact .ct-sla__main .prose {
  margin: 0;
}
.page-contact .ct-sla__meter {
  margin: clamp(24px, 3vw, 36px) 0 6px;
}
.page-contact .ct-sla__track {
  position: relative;
  height: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}
.page-contact .ct-sla__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-dim) 62%, var(--amber) 100%);
  transform-origin: left center;
  animation: ct-sla-grow 900ms var(--ease) both;
}
@keyframes ct-sla-grow {
  from { transform: scaleX(.02); }
  to { transform: scaleX(1); }
}
.page-contact .ct-sla__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-contact .ct-sla__notes {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .ct-sla__notes li {
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body);
}
.page-contact .ct-sla__notes strong {
  color: var(--cyan-dim);
  font-weight: 700;
  margin-right: 6px;
}
.page-contact .ct-sla__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-contact .ct-sla__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.85) contrast(1.08) brightness(.82);
}
.page-contact .ct-sla__cap {
  display: block;
  padding: 12px 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ============ 05 合作与授权 ============ */
.page-contact .ct-coop {
  padding: var(--pc-y) 0;
  border-top: 1px solid var(--line);
}
.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}
.page-contact .ct-coop__lead {
  margin: 0;
}
.page-contact .ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-steps__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .ct-steps__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .ct-steps__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--cyan);
}
.page-contact .ct-steps__item h3 {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}
.page-contact .ct-steps__item p {
  grid-column: 2;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body);
}
.page-contact .ct-coop__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .ct-coop__foot a {
  color: var(--cyan-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .ct-coop__foot a:hover,
.page-contact .ct-coop__foot a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ============ 06 到访与邮寄 ============ */
.page-contact .ct-visit {
  padding: var(--pc-y) 0;
  border-top: 1px solid var(--line);
}
.page-contact .ct-visit__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}
.page-contact .ct-visit__body .prose {
  margin: 0;
}
.page-contact .ct-visit__dl {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 20px;
  margin: clamp(20px, 3vw, 30px) 0 0;
}
.page-contact .ct-visit__dl dt {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}
.page-contact .ct-visit__dl dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}
.page-contact .ct-visit__map {
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-contact .ct-visit__map svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ============ 相关页面 ============ */
.page-contact .ct-more {
  padding: clamp(34px, 5vw, 56px) 0 clamp(46px, 7vw, 88px);
  border-top: 1px solid var(--line);
}
.page-contact .ct-more__text {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted);
}
.page-contact .ct-more__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}
.page-contact .ct-more__list li {
  background: var(--ink);
}
.page-contact .ct-more__list a {
  display: block;
  padding: 16px clamp(16px, 2.4vw, 24px);
  font-size: 15px;
  line-height: 1.7;
  color: var(--body);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-contact .ct-more__list a:hover,
.page-contact .ct-more__list a:focus-visible {
  color: var(--cyan);
  background: var(--panel);
}

/* ============ 断点 ============ */
@media (min-width: 700px) {
  .page-contact .ct-route__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-hero__figure img {
    max-height: 46vw;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-direct__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

@media (min-width: 880px) {
  .page-contact .ct-visit__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-brief__inner {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }
  .page-contact .ct-sla__inner {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
    align-items: start;
  }
  .page-contact .ct-coop__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-route__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .ct-more__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-sla__fill {
    animation: none;
    transform: scaleX(1);
  }
  .page-contact .ct-route-card,
  .page-contact .ct-channel__value,
  .page-contact .ct-checklist__box,
  .page-contact .ct-checklist__box::after,
  .page-contact .ct-more__list a {
    transition: none;
  }
  .page-contact .ct-route-card:hover,
  .page-contact .ct-route-card:focus-within {
    transform: none;
  }
}
</main>