.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 30px);
  --pc-body: rgba(234, 242, 247, 0.82);
  --pc-mute: rgba(234, 242, 247, 0.56);
  --pc-line: rgba(47, 91, 122, 0.38);
  position: relative;
  padding: clamp(26px, 4vw, 54px) var(--gutter) clamp(52px, 7vw, 96px);
  background: linear-gradient(180deg, var(--blue-900) 0%, #05192c 64%, #03121f 100%);
  color: var(--mist-050);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .contact-block {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
}

.page-contact .mono {
  font-family: var(--font-mono);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-300);
}

.page-contact .breadcrumb a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  border-bottom-color: var(--cyan-500);
}

.page-contact .breadcrumb__item[aria-current="page"] {
  color: var(--pc-mute);
}

.page-contact .breadcrumb a:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 3px;
}

/* ---------- 首屏声明 ---------- */
.page-contact .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--cyan-500);
}

.page-contact .contact-intro__title {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper-000);
}

.page-contact .contact-intro__lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.8;
  color: var(--pc-body);
}

.page-contact .contact-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
  color: var(--pc-mute);
}

.page-contact .contact-facts li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-contact .contact-facts li::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan-500);
  background: rgba(18, 214, 200, 0.22);
}

.page-contact .action-strip {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: 15px 18px;
  border: 1px solid rgba(255, 122, 47, 0.42);
  border-left: 3px solid var(--orange-500);
  border-radius: var(--radius);
  background: rgba(255, 122, 47, 0.1);
}

.page-contact .action-strip__tag {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--orange-500);
  white-space: nowrap;
}

.page-contact .action-strip__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--pc-body);
}

/* ---------- 左右分屏：通道 + 流程 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(38px, 5.4vw, 72px);
}

.page-contact .contact-subhead {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper-000);
}

.page-contact .contact-lead {
  max-width: 64ch;
  margin: 0 0 20px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--pc-body);
}

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

.page-contact .channel-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(18, 70, 110, 0.55), rgba(4, 24, 43, 0.92));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel-card:hover {
  border-color: var(--cyan-500);
  transform: translateY(-2px);
}

.page-contact .channel-card:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 3px;
  border-color: var(--cyan-500);
  transform: translateY(-2px);
}

.page-contact .channel-card__index {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--cyan-500);
}

.page-contact .channel-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--paper-000);
}

.page-contact .channel-card__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.3vw, 1.1rem);
  line-height: 1.55;
  color: var(--cyan-500);
  word-break: break-word;
}

.page-contact .channel-card__value--addr {
  font-size: clamp(0.92rem, 2.1vw, 1.02rem);
  line-height: 1.7;
  color: var(--paper-000);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .channel-card__copy {
  margin-top: 16px;
  padding: 8px 15px;
  border: 1px solid var(--line-300);
  border-radius: var(--radius);
  background: transparent;
  color: var(--cyan-500);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .channel-card__copy:hover {
  border-color: var(--cyan-500);
  background: rgba(18, 214, 200, 0.1);
}

.page-contact .channel-card__copy:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 2px;
}

/* ---------- 流程 ---------- */
.page-contact .flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
}

.page-contact .flow-step {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .flow-step summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .flow-step summary::-webkit-details-marker {
  display: none;
}

.page-contact .flow-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--cyan-700);
  transition: color var(--dur-fast) var(--ease);
}

.page-contact .flow-step[open] summary::after {
  content: "–";
  color: var(--cyan-500);
}

.page-contact .flow-step summary:hover .flow-step__title,
.page-contact .flow-step summary:focus-visible .flow-step__title {
  color: var(--cyan-500);
}

.page-contact .flow-step summary:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 4px;
}

.page-contact .flow-step__no {
  flex: none;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cyan-500);
}

.page-contact .flow-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--paper-000);
  transition: color var(--dur-fast) var(--ease);
}

.page-contact .flow-step__body {
  position: relative;
  padding: 0 0 20px 38px;
}

.page-contact .flow-step__body::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 4px;
  bottom: 22px;
  width: 1px;
  background: var(--pc-line);
}

.page-contact .flow-step__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--pc-body);
}

/* ---------- 材料清单 ---------- */
.page-contact .contact-materials {
  margin-top: clamp(38px, 5.4vw, 72px);
}

.page-contact .materials-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .material-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .material-list li {
  display: flex;
  gap: 12px;
  padding-left: 14px;
  border-left: 1px solid var(--line-300);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .material-list__key {
  flex: none;
  color: var(--cyan-500);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-contact .contact-figure,
.page-contact .address-figure {
  margin: 0;
}

.page-contact .contact-figure img,
.page-contact .address-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--blue-700);
  object-fit: cover;
}

.page-contact figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--pc-mute);
}

/* ---------- 浅色分区 ---------- */
.page-contact .contact-light {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(40px, 5.6vw, 76px);
  padding: clamp(26px, 4vw, 48px) clamp(20px, 3.4vw, 44px);
  border-radius: var(--radius);
  background: var(--mist-050);
  color: var(--ink-800);
}

.page-contact .contact-light .eyebrow--dark {
  color: var(--cyan-700);
}

.page-contact .contact-light h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--blue-900);
}

.page-contact .light-col > p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: #2b3a47;
}

.page-contact .check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: #29394a;
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan-700);
  background: rgba(10, 154, 147, 0.16);
}

.page-contact .contact-light .light-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(21, 36, 48, 0.14);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: #3a4a58;
}

.page-contact .contact-light a {
  color: var(--cyan-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 154, 147, 0.45);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .contact-light a:hover {
  color: var(--blue-900);
  border-bottom-color: var(--orange-500);
}

.page-contact .contact-light a:focus-visible {
  outline: 2px solid var(--cyan-700);
  outline-offset: 3px;
}

/* ---------- 地址与到访 ---------- */
.page-contact .contact-visit {
  margin-top: clamp(40px, 5.6vw, 76px);
}

.page-contact .address-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .address-card {
  margin: 0;
  padding: 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(10, 42, 69, 0.6);
}

.page-contact .address-card__row {
  display: grid;
  gap: 6px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .address-card__row:last-child {
  border-bottom: 0;
}

.page-contact .address-card dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cyan-500);
}

.page-contact .address-card dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--pc-body);
}

.page-contact .address-card__mono {
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2vw, 1rem) !important;
  line-height: 1.7 !important;
  color: var(--paper-000) !important;
  word-break: break-word;
}

/* ---------- 页脚入口说明 ---------- */
.page-contact .contact-footer-note {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: clamp(40px, 5.6vw, 76px);
  padding: clamp(24px, 3.6vw, 40px) 0;
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .footer-note__copy p {
  max-width: 62ch;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--pc-body);
}

.page-contact .footer-note__mark {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 122, 47, 0.45);
  border-left: 3px solid var(--orange-500);
  border-radius: var(--radius);
  background: rgba(255, 122, 47, 0.07);
}

.page-contact .footer-note__dot {
  width: 8px;
  height: 8px;
  background: var(--orange-500);
}

.page-contact .footer-note__label {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--orange-500);
}

.page-contact .footer-note__hint {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--pc-body);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .address-card__row {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .materials-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .contact-light {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 3.6vw, 52px);
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-contact .contact-footer-note {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (max-width: 420px) {
  .page-contact .action-strip {
    flex-direction: column;
    gap: 8px;
  }

  .page-contact .channel-card__value {
    font-size: 0.9rem;
  }
}
<<<END>>>