.page-contact {
  --pc-panel-gap: 20px;
  display: block;
}

.page-contact .contact-hero {
  padding-block: 20px 44px;
  background:
    radial-gradient(900px 460px at 88% -12%, rgba(215, 38, 61, 0.22), transparent 70%),
    radial-gradient(680px 400px at -5% 18%, rgba(34, 211, 238, 0.12), transparent 72%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-panel-gap);
  margin-top: 18px;
}

/* 联系主卡 */
.page-contact .contact-card {
  position: relative;
  padding: 24px 20px 0;
  border: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(215, 38, 61, 0.18), transparent 44%),
    var(--carbon);
  overflow: hidden;
}

.page-contact .contact-card__eyebrow {
  margin: 0;
  color: var(--cyan);
}

.page-contact .contact-card__title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(38px, 9vw, 68px);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-contact .contact-card__lede {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-channels {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .contact-channel {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-channel__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(18px, 5vw, 28px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--ice);
  text-decoration: none;
  overflow-wrap: anywhere;
}

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

.page-contact .contact-channel__value--addr {
  font-family: var(--font-body);
  font-size: clamp(16px, 4.2vw, 21px);
  font-weight: 500;
  line-height: 1.5;
}

.page-contact a.contact-channel__value:hover,
.page-contact a.contact-channel__value:focus-visible {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .contact-channel__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-card__hours {
  display: inline-flex;
  align-items: center;
  margin: 18px 0 0;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange);
  border: 1px solid rgba(255, 138, 31, 0.45);
  background: rgba(255, 138, 31, 0.1);
}

.page-contact .contact-card__media {
  margin: 24px -20px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  opacity: 0.55;
}

/* 右侧分流面板 */
.page-contact .routing-panel {
  padding: 22px 18px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(14, 79, 92, 0.55), rgba(21, 24, 29, 0.94) 58%);
}

.page-contact .routing-panel__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.page-contact .routing-panel__note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .routing-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .routing-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .routing-item__prefix {
  grid-row: span 2;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .routing-item__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .routing-item__label:hover,
.page-contact .routing-item__label:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .routing-item__hint {
  font-size: 12px;
  line-height: 1.55;
  color: var(--mist);
}

/* 问题分流标签页 */
.page-contact .contact-routing {
  scroll-margin-top: 96px;
  padding-block: 48px;
  background: linear-gradient(180deg, rgba(21, 24, 29, 0.6), transparent 60%);
}

.page-contact .contact-tabs {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-tabs .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-tabs__panels {
  margin-top: 18px;
}

.page-contact .contact-tab-panel {
  display: grid;
  gap: 0;
  padding: 20px 16px;
  border: 1px solid var(--line);
  background: var(--carbon);
}

.page-contact .contact-tab-panel + .contact-tab-panel {
  margin-top: 12px;
}

.page-contact .contact-tab-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.page-contact .contact-tab-panel__text {
  margin: 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-fields {
  margin: 16px 0 0;
}

.page-contact .contact-field {
  display: grid;
  gap: 3px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-field dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-field dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ice);
}

.page-contact .contact-field code {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  background: rgba(255, 138, 31, 0.1);
  border: 1px solid rgba(255, 138, 31, 0.32);
}

.page-contact .channels-media {
  margin: 20px 0 0;
  border: 1px solid var(--line);
}

.page-contact .channels-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.8;
}

/* 响应节奏 */
.page-contact .contact-response {
  padding-block: 44px;
}

.page-contact .contact-response__head .display-l {
  margin: 6px 0 10px;
}

.page-contact .contact-response__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .response-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-contact .response-item {
  display: grid;
  gap: 8px;
  padding: 16px 14px;
  background: var(--ink);
}

.page-contact .response-item__tag {
  justify-self: start;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  white-space: nowrap;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.4);
  background: rgba(34, 211, 238, 0.08);
}

.page-contact .response-item__tag--orange {
  color: var(--orange);
  border-color: rgba(255, 138, 31, 0.45);
  background: rgba(255, 138, 31, 0.1);
}

.page-contact .response-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* 合作共创 */
.page-contact .collab-grid {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .collab-card {
  position: relative;
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  background: var(--carbon);
}

.page-contact .collab-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 2px;
  height: 36px;
  background: var(--red);
}

.page-contact .collab-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.page-contact .collab-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .collab-note {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .collab-note code {
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.45);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* 邮寄与备案 */
.page-contact .contact-legal {
  padding-block: 44px 56px;
}

.page-contact .contact-legal__grid {
  display: grid;
  gap: 14px;
}

.page-contact .legal-card {
  padding: 22px 18px;
  border: 1px solid var(--line);
  background: var(--carbon);
}

.page-contact .legal-card--ink {
  border-color: rgba(215, 38, 61, 0.35);
  background: linear-gradient(160deg, rgba(142, 20, 36, 0.45), var(--carbon) 72%);
}

.page-contact .legal-card h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.page-contact .legal-card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .legal-card p:last-child {
  margin-bottom: 0;
}

.page-contact .legal-facts {
  margin: 0 0 14px;
}

.page-contact .legal-facts > div {
  display: grid;
  gap: 2px;
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .legal-facts dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .legal-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ice);
  overflow-wrap: anywhere;
}

@media (min-width: 640px) {
  .page-contact .contact-card {
    padding: 30px 28px 0;
  }

  .page-contact .contact-card__media {
    margin: 26px -28px 0;
  }

  .page-contact .contact-field {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

  .page-contact .legal-facts > div {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 12px;
  }

  .page-contact .collab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-legal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .response-item {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    padding: 18px 20px;
  }

  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-block: 28px 64px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 24px;
    align-items: start;
    margin-top: 24px;
  }

  .page-contact .contact-card {
    padding: 44px 40px 0;
  }

  .page-contact .contact-card__media {
    margin: 32px -40px 0;
  }

  .page-contact .contact-card__lede {
    font-size: 16px;
  }

  .page-contact .routing-panel {
    padding: 26px 24px;
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-routing {
    padding-block: 64px;
  }

  .page-contact .contact-tab-panel {
    padding: 26px 24px;
  }

  .page-contact .contact-response {
    padding-block: 60px;
  }

  .page-contact .contact-response__grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .response-list {
    margin-top: 0;
  }

  .page-contact .channels-media img {
    aspect-ratio: 21 / 7;
  }

  .page-contact .contact-legal {
    padding-block: 60px 80px;
  }
}
</