.page-contact {
  --cx-side-w: 300px;
  padding-bottom: 72px;
}

/* ---------- 开篇 ---------- */
.page-contact .cx-intro {
  padding-top: 22px;
}

.page-contact .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .cx-intro-grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-contact .cx-intro-main {
  min-width: 0;
}

.page-contact .cx-title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(34px, 8.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 14px 0 0;
}

.page-contact .cx-lede {
  font-size: 17px;
  line-height: 1.75;
  color: var(--paper);
  margin: 18px 0 0;
  max-width: 48ch;
}

.page-contact .cx-facts {
  margin: 0;
  border-top: 1px solid var(--hair);
  min-width: 0;
}

.page-contact .cx-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--hair);
}

.page-contact .cx-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .cx-facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
  text-align: right;
}

/* ---------- 路径条 ---------- */
.page-contact .cx-path {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-contact .cx-path-step {
  background: var(--carbon);
  padding: 16px 18px 18px;
  display: grid;
  gap: 6px;
  transition: background var(--dur-1) var(--ease);
}

.page-contact .cx-path-step:hover {
  background: var(--hl);
}

.page-contact .cx-path-num {
  font-size: 13px;
  color: var(--gold);
}

.page-contact .cx-path-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .cx-path-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 主体外壳 ---------- */
.page-contact .cx-shell {
  display: grid;
  gap: 46px;
  padding-top: 48px;
  align-items: start;
}

.page-contact .cx-flow {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-contact .cx-chapter {
  position: relative;
  padding: 40px 0 8px;
  border-top: 1px solid var(--hair);
}

.page-contact .cx-chapter::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 52px;
  height: 4px;
  background: var(--cyan);
}

.page-contact .cx-flow > .cx-chapter:nth-of-type(2)::before {
  background: var(--gold);
}

.page-contact .cx-flow > .cx-chapter:nth-of-type(3)::before {
  background: var(--clay);
}

.page-contact .cx-flow > .cx-chapter:nth-of-type(4)::before {
  background: var(--moss);
}

.page-contact .cx-flow > .cx-chapter:nth-of-type(5)::before {
  background: var(--magenta);
}

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

.page-contact .cx-num {
  font-size: 13px;
  color: var(--cyan);
  flex: none;
}

.page-contact .cx-lead-in {
  margin: 0 0 22px;
  max-width: 54ch;
}

/* ---------- 01 入口说明 ---------- */
.page-contact .cx-entry-grid {
  display: grid;
  gap: 26px;
}

.page-contact .cx-entry-text {
  min-width: 0;
}

.page-contact .cx-entry-text .body-text {
  margin: 0 0 16px;
  max-width: 52ch;
}

.page-contact .cx-locator {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 26px;
  padding-top: 4px;
}

.page-contact .cx-locator-line {
  position: relative;
  display: block;
  width: 1px;
  height: 58px;
  background: var(--hair);
  margin-left: 5px;
}

.page-contact .cx-locator-line::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 9px;
  height: 9px;
  transform: translateX(-50%);
  background: var(--cyan);
}

.page-contact .cx-locator-line::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 10px;
  width: 1px;
  height: 38px;
  transform: translateX(-50%);
  background: linear-gradient(to top, rgba(79, 227, 208, .85), rgba(79, 227, 208, 0));
}

.page-contact .cx-locator-text {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .cx-figure {
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--carbon);
  min-width: 0;
}

.page-contact .cx-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .cx-figure figcaption {
  padding: 10px 13px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- 02 通道 ---------- */
.page-contact .cx-channels {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-contact .cx-channel {
  background: var(--carbon);
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background var(--dur-1) var(--ease);
}

.page-contact .cx-channel:hover {
  background: var(--hl);
}

.page-contact .cx-channel .index-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .cx-channel-name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 5.2vw, 26px);
  font-weight: 500;
  letter-spacing: .01em;
  line-height: 1.3;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .cx-channel-name::after {
  content: "";
  display: block;
  width: 0;
  height: 1px;
  margin-top: 8px;
  background: var(--cyan);
  transition: width var(--dur-2) var(--ease);
}

.page-contact .cx-channel:hover .cx-channel-name::after,
.page-contact .cx-channel:focus-within .cx-channel-name::after {
  width: 100%;
}

.page-contact .cx-channel .list-summary {
  margin: 0;
  max-width: 40ch;
}

.page-contact .cx-channel-hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .cx-channel-action {
  margin: auto 0 0;
  padding-top: 8px;
}

.page-contact .cx-channel-note {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold);
  border: 1px solid var(--hair);
  padding: 8px 12px;
}

/* ---------- 03 地址 ---------- */
.page-contact .cx-address-block {
  border-left: 4px solid var(--clay);
  padding: 4px 0 4px 20px;
  max-width: 62ch;
}

.page-contact .cx-address {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.4vw, 18px);
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

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

/* ---------- 04 填写要点 ---------- */
.page-contact .cx-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-contact .cx-point {
  background: var(--carbon);
  padding: 20px 18px 22px;
  display: grid;
  gap: 8px;
  align-content: start;
  transition: background var(--dur-1) var(--ease);
}

.page-contact .cx-point:hover {
  background: var(--hl);
}

.page-contact .cx-point-num {
  font-size: 13px;
  color: var(--gold);
}

.page-contact .cx-point-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .cx-point .list-summary {
  margin: 0;
}

.page-contact .cx-form-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  background: var(--slate);
  border-left: 4px solid var(--moss);
}

/* ---------- 05 处理节奏 ---------- */
.page-contact .cx-rhythm {
  position: relative;
  overflow: hidden;
  border-top-color: var(--hair);
  padding-bottom: 34px;
}

.page-contact .cx-rhythm-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .38;
  z-index: 0;
}

.page-contact .cx-rhythm-body {
  position: relative;
  z-index: 1;
  background: linear-gradient(90deg, rgba(11, 26, 42, .92) 0%, rgba(11, 26, 42, .62) 68%, rgba(11, 26, 42, .28) 100%);
  border: 1px solid var(--hair);
  padding: 26px 20px 28px;
}

.page-contact .cx-rhythm-big {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(42px, 10vw, 88px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-contact .cx-rhythm-unit {
  font-size: clamp(14px, 3vw, 20px);
  letter-spacing: .1em;
  margin-left: 8px;
  color: var(--mist);
}

.page-contact .cx-rhythm-text {
  margin: 0 0 14px;
  max-width: 52ch;
}

.page-contact .cx-rhythm-text:last-child {
  margin-bottom: 0;
}

/* ---------- 右侧栏 ---------- */
.page-contact .cx-side {
  min-width: 0;
}

.page-contact .cx-side-card {
  background: var(--carbon);
  border: 1px solid var(--hair);
  border-top: 4px solid var(--cyan);
  padding: 20px 18px 22px;
  display: grid;
  gap: 10px;
}

.page-contact .cx-side-card .index-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .cx-side-big {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(36px, 9vw, 52px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-contact .cx-side-unit {
  font-size: 14px;
  letter-spacing: .1em;
  margin-left: 6px;
  color: var(--mist);
}

.page-contact .cx-side-card .list-summary {
  margin: 0;
}

.page-contact .cx-side-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-contact .cx-side-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--hair);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .cx-side-list li .mono {
  color: var(--paper);
  text-align: right;
}

.page-contact .cx-side-links {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  margin-top: 18px;
}

.page-contact .cx-side-links a {
  display: block;
  background: var(--ink);
  padding: 13px 15px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease), padding-left var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}

.page-contact .cx-side-links a:hover {
  color: var(--cyan);
  background: var(--hl);
  padding-left: 19px;
}

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

.page-contact .cx-side-links a:focus-visible {
  outline-offset: -2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .cx-path {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .cx-points {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  .page-contact .cx-intro-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 48px;
  }

  .page-contact .cx-entry-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: 34px;
    align-items: start;
  }

  .page-contact .cx-channels {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-contact .cx-shell {
    grid-template-columns: minmax(0, 8fr) minmax(260px, 4fr);
    gap: 56px;
    padding-top: 60px;
  }

  .page-contact .cx-side {
    position: sticky;
    top: calc(var(--topline) + 24px);
  }

  .page-contact .cx-chapter {
    padding: 52px 0 10px;
  }

  .page-contact .cx-rhythm-body {
    padding: 34px 30px 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cx-path-step,
  .page-contact .cx-channel,
  .page-contact .cx-channel-name::after,
  .page-contact .cx-point,
  .page-contact .cx-side-links a,
  .page-contact .breadcrumbs a {
    transition: none;
  }

  .page-contact .cx-side-links a:hover {
    padding-left: 15px;
  }

  .page-contact .cx-channel-name::after {
    width: 100%;
  }
}
<<<PAGE_CSS_END>>>