.page-contact {
  --pc-line: rgba(27, 58, 92, 0.9);
  --pc-rail: 320px;
  display: block;
}

.page-contact .contact-intro {
  padding-block: clamp(28px, 5vw, 52px) clamp(18px, 3vw, 28px);
}

.page-contact .contact-intro__inner {
  max-width: 64ch;
}

.page-contact .contact-intro__title {
  margin: 12px 0 16px;
  font-size: clamp(34px, 7vw, 72px);
}

.page-contact .contact-intro__lede {
  margin: 0;
}

.page-contact .contact-intro__links {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 渠道带 */
.page-contact .channel-band {
  background: linear-gradient(180deg, rgba(10, 63, 59, 0.92), rgba(6, 20, 38, 0.4));
  border-top: 1px solid var(--cyan);
  border-bottom: 1px solid var(--steel);
  padding-block: clamp(20px, 3vw, 32px);
}

.page-contact .channel-band__grid {
  display: grid;
  gap: clamp(16px, 2.5vw, 28px);
  grid-template-columns: 1fr;
}

.page-contact .channel-band__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .channel-band__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 22px);
  letter-spacing: -0.01em;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .channel-band__value--addr {
  font-family: var(--font-body);
  font-size: clamp(14px, 1.7vw, 17px);
  line-height: 1.6;
  letter-spacing: 0;
}

.page-contact .channel-band__note {
  margin: 0;
  font-size: 12px;
  color: var(--mist);
}

/* 分屏主体 */
.page-contact .contact-split {
  padding-block: clamp(36px, 6vw, 72px);
}

.page-contact .contact-split__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-rail__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .route-card {
  position: relative;
  background: var(--night-blue);
  border: 1px solid var(--steel);
  padding: 18px 18px 18px 22px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--steel);
  transition: background-color 0.18s ease;
}

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

.page-contact .route-card:hover::before,
.page-contact .route-card:focus-within::before {
  background: var(--cyan);
}

.page-contact .route-card__tag {
  display: inline-block;
  margin: 0 0 8px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--deep-sea);
  background: var(--cyan);
}

.page-contact .route-card__tag--amber {
  background: var(--amber);
}

.page-contact .route-card__tag--plain {
  color: var(--ice);
  background: transparent;
  border: 1px solid var(--steel);
}

.page-contact .route-card__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--ice);
}

.page-contact .route-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-split__main {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .contact-split__media {
  margin: 0;
  padding: 0;
  aspect-ratio: 14 / 9;
  overflow: hidden;
  border: 1px solid var(--steel);
  background: var(--night-blue);
}

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

/* 提交清单信息块 */
.page-contact .brief-panel {
  border: 1px solid var(--steel);
  background: linear-gradient(180deg, rgba(12, 35, 64, 0.92), rgba(6, 20, 38, 0.6));
  padding: clamp(20px, 3vw, 30px);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .brief-panel:hover,
.page-contact .brief-panel:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(44, 229, 210, 0.3);
}

.page-contact .brief-panel__title {
  margin: 10px 0 10px;
  font-size: clamp(21px, 2.6vw, 28px);
  color: var(--ice);
}

.page-contact .brief-panel__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .brief-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .brief-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ice);
}

.page-contact .brief-list li::before {
  content: "";
  align-self: start;
  margin-top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .brief-panel__foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--steel);
  font-size: 13px;
  line-height: 1.7;
  color: var(--amber);
}

/* 问题分流 */
.page-contact .contact-routing {
  padding-block: clamp(40px, 7vw, 84px);
  background: linear-gradient(180deg, rgba(12, 35, 64, 0.6), rgba(6, 20, 38, 0));
  border-top: 1px dashed var(--steel);
  border-bottom: 1px dashed var(--steel);
}

.page-contact .routing__title {
  margin: 8px 0 12px;
  font-size: clamp(23px, 3.4vw, 40px);
  color: var(--ice);
}

.page-contact .lane-grid {
  display: grid;
  gap: clamp(16px, 2.5vw, 26px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .lane {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--night-blue);
  border-top: 3px solid var(--steel);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .lane:hover {
  transform: translateY(-4px);
  border-color: var(--orange);
}

.page-contact .lane:nth-child(2):hover {
  border-color: var(--coral);
}

.page-contact .lane:nth-child(3):hover {
  border-color: var(--amber);
}

.page-contact .lane__icon {
  color: var(--cyan);
}

.page-contact .lane__icon svg {
  display: block;
  width: 30px;
  height: 30px;
}

.page-contact .lane__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .lane__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--ice);
}

.page-contact .lane__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .lane__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .lane__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ice);
}

.page-contact .lane__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .lane__foot {
  margin: auto 0 0;
  padding-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--amber);
}

/* 合作共建 */
.page-contact .contact-partner {
  padding-block: clamp(40px, 7vw, 84px);
}

.page-contact .contact-partner__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-partner__title {
  margin: 10px 0 14px;
  font-size: clamp(23px, 3.2vw, 36px);
  color: var(--ice);
}

.page-contact .contact-partner__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .contact-partner__link {
  margin: 4px 0 0;
  font-size: 14px;
}

.page-contact .contact-partner__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(44, 229, 210, 0.5);
}

.page-contact .contact-partner__cols {
  display: grid;
  gap: 16px;
}

.page-contact .share-card {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--deep-sea);
  border: 1px solid var(--steel);
  border-left: 4px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-contact .share-card--alt {
  border-left-color: var(--orange);
}

.page-contact .share-card__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .share-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .share-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ice);
}

.page-contact .share-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 1px;
  background: var(--mist);
}

/* 站点主体 */
.page-contact .contact-entity {
  padding-block: clamp(40px, 7vw, 80px);
  border-top: 1px solid var(--steel);
}

.page-contact .contact-entity__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-entity__title {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3vw, 34px);
  color: var(--ice);
}

.page-contact .contact-entity__text-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .entity-list {
  margin: 22px 0 0;
  display: grid;
  gap: 14px;
}

.page-contact .entity-list div {
  padding-top: 10px;
  border-top: 1px dashed var(--steel);
}

.page-contact .entity-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .entity-list dd {
  margin: 5px 0 0;
  font-size: 15px;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .contact-entity__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52ch;
}

.page-contact .contact-entity__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(44, 229, 210, 0.5);
}

.page-contact .contact-entity__media {
  margin: 0;
  padding: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--steel);
  background: var(--night-blue);
}

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

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 620px) {
  .page-contact .brief-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .page-contact .channel-band__cell + .channel-band__cell {
    padding-left: clamp(16px, 2.5vw, 28px);
    border-left: 1px dashed rgba(44, 229, 210, 0.32);
  }
}

@media (min-width: 860px) {
  .page-contact .lane-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-contact .contact-partner__cols {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .contact-entity__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-split__inner {
    grid-template-columns: var(--pc-rail) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .lane,
  .page-contact .brief-panel {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .route-card:focus-within,
  .page-contact .lane:hover {
    transform: none;
  }
}
</main>