.page-contact {
  --pc-rail: 258px;
  --pc-line: rgba(245, 249, 255, .72);
  color: var(--c-paper);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  padding-top: 24px;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding: 30px 0 10px;
  background:
    radial-gradient(120% 88% at 88% 0%, rgba(0, 229, 255, .10), transparent 58%),
    radial-gradient(80% 70% at 4% 100%, rgba(255, 107, 53, .09), transparent 62%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__intro h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--c-paper);
}

.page-contact .contact-hero__intro .eyebrow {
  margin-bottom: 14px;
}

.page-contact .contact-hero__intro .lede {
  margin: 0;
  max-width: 58ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-cyan-soft);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: var(--hair-cyan);
  overflow: hidden;
  position: relative;
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 96px;
  height: 3px;
  background: var(--track-line);
  pointer-events: none;
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 主体两栏：侧边导览 + 内容 */
.page-contact .contact-layout {
  display: grid;
  gap: 32px;
  padding: 36px 0 76px;
}

.page-contact .contact-layout > * {
  min-width: 0;
}

.page-contact .contact-rail {
  align-self: start;
  border-top: 2px solid var(--c-cyan);
  padding-top: 16px;
}

.page-contact .contact-rail__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .contact-rail__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-contact .contact-rail__item + .contact-rail__item {
  border-top: var(--hair);
}

.page-contact .contact-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 6px 11px 12px;
  font-size: var(--fs-small);
  color: var(--c-paper);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--speed), border-color var(--speed), background-color var(--speed);
}

.page-contact .contact-rail__link::before {
  content: "";
  width: 6px;
  height: 1px;
  background: var(--c-muted);
  transition: width var(--speed), background-color var(--speed);
}

.page-contact .contact-rail__link:hover,
.page-contact .contact-rail__link:focus-visible {
  color: var(--c-cyan);
  border-left-color: var(--c-cyan);
  background: rgba(0, 229, 255, .07);
}

.page-contact .contact-rail__link:hover::before,
.page-contact .contact-rail__link:focus-visible::before {
  width: 16px;
  background: var(--c-cyan);
}

.page-contact .contact-rail__status {
  border: var(--hair);
  background: var(--c-slate);
  padding: 16px 18px;
}

.page-contact .contact-rail__statusLabel {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  color: var(--c-muted);
}

.page-contact .contact-rail__statusValue {
  display: block;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-lime);
}

/* 内容区块 */
.page-contact .contact-block {
  padding: 0 0 54px;
}

.page-contact .contact-block + .contact-block {
  border-top: var(--hair);
  padding-top: 46px;
}

.page-contact .contact-block:last-child {
  padding-bottom: 0;
}

.page-contact .contact-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-contact .contact-block__index {
  flex: none;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--c-orange);
  border: 1px solid rgba(255, 107, 53, .45);
}

.page-contact .contact-block__head .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.16;
  color: var(--c-paper);
}

.page-contact .contact-block__lede {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: rgba(245, 249, 255, .82);
}

/* 联系方式档案卡 */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 30px 24px 28px;
  background: var(--c-slate);
  border: var(--hair);
  overflow: hidden;
  transition: border-color var(--speed), background-color var(--speed), transform var(--speed);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: -36px;
  right: -36px;
  width: 72px;
  height: 72px;
  background: var(--c-deep);
  transform: rotate(45deg);
  border-left: 1px solid rgba(0, 229, 255, .32);
  transition: border-color var(--speed);
  pointer-events: none;
}

.page-contact .channel-card:hover {
  border-color: rgba(0, 229, 255, .62);
  background: #21304a;
  transform: translateY(-3px);
}

.page-contact .channel-card:hover::after {
  border-left-color: var(--c-cyan);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  color: var(--c-orange);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  flex: 1;
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: rgba(245, 249, 255, .74);
}

.page-contact .copy-btn {
  align-self: flex-start;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-cyan);
  background: transparent;
  border: 1px solid rgba(0, 229, 255, .42);
  cursor: pointer;
  transition: background-color var(--speed), color var(--speed), border-color var(--speed);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-deep);
}

.page-contact .copy-btn[data-copied] {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-deep);
}

/* 转接说明 */
.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .route-item {
  display: grid;
  gap: 12px;
  padding: 24px 0;
  border-top: var(--hair);
}

.page-contact .route-item:last-child {
  border-bottom: var(--hair);
}

.page-contact .route-item__tagwrap {
  display: flex;
  align-items: center;
}

.page-contact .route-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-paper);
}

.page-contact .route-item__text {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.78;
  color: rgba(245, 249, 255, .76);
}

/* 地址与到访 */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .visit-grid > * {
  min-width: 0;
}

.page-contact .visit-address {
  margin: 0 0 18px;
  padding-left: 16px;
  border-left: 3px solid var(--c-orange);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-contact .visit-text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: rgba(245, 249, 255, .8);
}

.page-contact .visit-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .visit-list li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 20px;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: rgba(245, 249, 255, .76);
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 1px;
  background: var(--c-lime);
}

.page-contact .visit-actions {
  margin-top: 24px;
}

.page-contact .visit-grid__media {
  margin: 0;
  border: var(--hair);
  overflow: hidden;
}

/* 快捷入口 */
.page-contact .quick-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .quick-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  background: var(--c-slate);
  border: var(--hair);
  text-decoration: none;
  transition: border-color var(--speed), transform var(--speed), background-color var(--speed);
}

.page-contact .quick-link:hover,
.page-contact .quick-link:focus-visible {
  border-color: rgba(0, 229, 255, .6);
  background: #21304a;
  transform: translateY(-2px);
}

.page-contact .quick-link__title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-paper);
}

.page-contact .quick-link__text {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: rgba(245, 249, 255, .72);
}

/* 中等屏幕 */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .route-item {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .quick-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 42px 0 16px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: center;
    gap: 52px;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--pc-rail) minmax(0, 1fr);
    gap: 58px;
    padding-top: 48px;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 118px;
  }
}
<<<END>>>