.page-contact {
  --contact-gap: clamp(2.5rem, 6vw, 4.5rem);
  --contact-pad: clamp(1.25rem, 3vw, 1.9rem);
  background:
    radial-gradient(circle at 88% 2%, rgba(92, 225, 230, 0.12), transparent 42%),
    radial-gradient(circle at 4% 68%, rgba(169, 155, 232, 0.10), transparent 38%),
    var(--ink-deep);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.85;
  padding-bottom: clamp(3rem, 7vw, 5rem);
  overflow-x: clip;
}

.page-contact h2 {
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-contact h3 {
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact .coord--signal {
  color: var(--signal);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  padding-block: clamp(1rem, 3vw, 1.6rem) 0;
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-contact .breadcrumbs__item {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
}

.page-contact .breadcrumbs__link {
  color: var(--silver);
  text-decoration: none;
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--cyan);
}

.page-contact .breadcrumbs__sep {
  color: var(--line);
}

/* 首屏 */
.page-contact .contact-lead {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: end;
  padding-block: clamp(1.5rem, 4vw, 2.4rem) var(--contact-gap);
}

.page-contact .lead-copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-contact .lead-copy .eyebrow {
  margin: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .lead-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(2.05rem, 5.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 17ch;
}

.page-contact .lead-intro {
  margin: 0;
  max-width: 44ch;
  color: var(--silver);
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
}

.page-contact .lead-chips {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-contact .lead-chips li {
  padding: 0.42rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(20, 27, 61, 0.72);
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.05em;
}

.page-contact .lead-chips .is-signal {
  border-color: rgba(255, 122, 61, 0.6);
  background: rgba(255, 122, 61, 0.14);
  color: var(--paper);
}

.page-contact .lead-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-panel);
  box-shadow: 0 32px 70px -44px rgba(92, 225, 230, 0.5);
}

.page-contact .lead-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .lead-visual figcaption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  max-width: calc(100% - 2rem);
  padding: 0.32rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(5, 7, 18, 0.74);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
}

/* 路径与渠道 */
.page-contact .contact-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-block: var(--contact-gap);
}

.page-contact .board-paths {
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--contact-pad);
}

.page-contact .board-paths h2 {
  margin: 0.4rem 0 0.5rem;
}

.page-contact .board-note {
  margin: 0;
  color: var(--silver);
  font-size: 0.94rem;
  max-width: 52ch;
}

.page-contact .path-switch {
  margin-top: 1.3rem;
}

.page-contact .path-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-contact .path-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(5, 7, 18, 0.55);
}

.page-contact .path-tab {
  flex: 1 1 7.5rem;
  text-align: center;
  padding: 0.55rem 0.9rem;
  border-radius: var(--pill);
  color: var(--silver);
  font-size: 0.92rem;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-contact .path-tab:hover {
  color: var(--paper);
  background: rgba(92, 225, 230, 0.12);
}

.page-contact #path-business:checked ~ .path-tabs .path-tab[for="path-business"],
.page-contact #path-user:checked ~ .path-tabs .path-tab[for="path-user"],
.page-contact #path-media:checked ~ .path-tabs .path-tab[for="path-media"] {
  background: var(--cyan);
  color: var(--ink-deep);
  font-weight: 600;
}

.page-contact #path-business:focus-visible ~ .path-tabs .path-tab[for="path-business"],
.page-contact #path-user:focus-visible ~ .path-tabs .path-tab[for="path-user"],
.page-contact #path-media:focus-visible ~ .path-tabs .path-tab[for="path-media"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .path-panels {
  margin-top: 1.35rem;
}

.page-contact .path-panel {
  display: none;
  animation: contactPanelIn 0.3s var(--ease) both;
}

.page-contact #path-business:checked ~ .path-panels #panel-business,
.page-contact #path-user:checked ~ .path-panels #panel-user,
.page-contact #path-media:checked ~ .path-panels #panel-media {
  display: block;
}

@keyframes contactPanelIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-contact .path-panel p {
  margin: 0 0 0.9rem;
  color: var(--silver);
  font-size: 0.96rem;
}

.page-contact .fit-list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .fit-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.93rem;
  color: var(--silver);
}

.page-contact .fit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: rgba(92, 225, 230, 0.28);
}

.page-contact .prep {
  margin: 0 0 1.2rem;
  padding: 0.1rem 0 0.1rem 1rem;
  border-left: 2px solid var(--violet);
}

.page-contact .prep dt {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-contact .prep dd {
  margin: 0.25rem 0 0;
  font-size: 0.92rem;
  color: var(--paper);
}

.page-contact .path-panel .btn {
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

.page-contact .board-channels {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: var(--contact-pad);
  border: 1px solid rgba(255, 122, 61, 0.45);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(255, 122, 61, 0.16), rgba(20, 27, 61, 0.92) 46%, rgba(11, 16, 38, 0.96));
}

.page-contact .window-pill {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(92, 225, 230, 0.35);
  border-radius: var(--pill);
  background: rgba(92, 225, 230, 0.12);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.05em;
}

.page-contact .window-pill__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(92, 225, 230, 0.18);
}

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

.page-contact .channel-item {
  display: grid;
  gap: 0.15rem;
  padding: 0.8rem 0;
  border-top: 1px dashed var(--line);
}

.page-contact .channel-item:first-child {
  border-top: 0;
  padding-top: 0.2rem;
}

.page-contact .channel-item__key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--violet);
  text-transform: uppercase;
}

.page-contact .channel-item__value {
  color: var(--paper);
  text-decoration: none;
  font-size: 0.98rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact a.channel-item__value:hover,
.page-contact a.channel-item__value:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .channel-item__value--tel {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}

.page-contact .channel-item__value--addr {
  line-height: 1.6;
}

.page-contact .channel-item__note {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .channel-foot {
  margin: 0.25rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 122, 61, 0.3);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--silver);
}

/* 合作流程 */
.page-contact .flow {
  margin-block: var(--contact-gap);
}

.page-contact .flow-head {
  display: grid;
  gap: 0.5rem;
  max-width: 54ch;
  margin-bottom: 1.5rem;
}

.page-contact .flow-head p {
  margin: 0;
  color: var(--silver);
  font-size: 0.95rem;
}

.page-contact .flow-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-contact .flow-step {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  padding: 1.15rem 1.1rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-panel);
}

.page-contact .flow-step__num {
  justify-self: start;
  padding: 0.2rem 0.68rem;
  border-radius: var(--pill);
  background: var(--cyan);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .flow-step--signal {
  border-color: rgba(255, 122, 61, 0.55);
  background: linear-gradient(170deg, rgba(255, 122, 61, 0.15), var(--ink-panel) 62%);
}

.page-contact .flow-step--signal .flow-step__num {
  background: var(--signal);
}

/* 响应时效 */
.page-contact .cadence {
  margin-block: var(--contact-gap);
}

.page-contact .cadence-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.page-contact .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}

.page-contact .cadence-card {
  display: grid;
  align-content: start;
  gap: 0.5rem;
  padding: 1.2rem 1.15rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 27, 61, 0.82);
}

.page-contact .cadence-card .tag {
  justify-self: start;
}

.page-contact .cadence-num {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 4vw, 2.85rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-contact .cadence-num span {
  margin-left: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .cadence-card p:not(.cadence-num) {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .cadence-foot {
  margin: 1.5rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--violet);
  max-width: 64ch;
  font-size: 0.88rem;
  color: var(--silver);
}

/* 来访与邮寄 */
.page-contact .visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 4vw, 2.5rem);
  align-items: center;
  margin-block: var(--contact-gap);
}

.page-contact .visit-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-contact .visit-copy {
  display: grid;
  gap: 0.75rem;
}

.page-contact .visit-address {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .visit-copy p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--silver);
}

.page-contact .visit-notes {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .visit-notes li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  color: var(--silver);
}

.page-contact .visit-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.6rem;
  height: 1px;
  background: var(--signal);
}

/* 收束 */
.page-contact .contact-close {
  display: grid;
  gap: 1.25rem;
  margin-top: var(--contact-gap);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(255, 122, 61, 0.45);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(255, 122, 61, 0.18), rgba(20, 27, 61, 0.9) 55%, rgba(92, 225, 230, 0.12));
}

.page-contact .close-copy {
  display: grid;
  gap: 0.6rem;
}

.page-contact .close-copy p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.95rem;
  color: var(--silver);
}

.page-contact .close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-panel {
    animation: none;
  }
}

@media (min-width: 600px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-lead {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-contact .visit {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .contact-close {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-board {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    position: relative;
  }

  .page-contact .flow-track::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 1.55rem;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), var(--line));
    opacity: 0.65;
  }

  .page-contact .flow-step {
    position: relative;
    background: var(--ink-panel);
  }

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

  .page-contact .cadence-card:nth-child(2) {
    transform: translateY(1.75rem);
  }

  .page-contact .cadence-card:nth-child(3) {
    transform: translateY(0.9rem);
  }

  .page-contact .cadence-foot {
    margin-top: 3.1rem;
  }
}
<<<PAGE_CSS_END>>>