.page-contact {
  --cx-space: clamp(56px, 8vw, 104px);
  --cx-line-soft: rgba(199, 220, 235, 0.16);
  --cx-ink-soft: rgba(46, 86, 117, 0.18);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .cx-crumb {
  padding-top: clamp(88px, 12vw, 132px);
}

.page-contact .breadcrumb {
  color: var(--mist);
  font-size: 13px;
}

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

.page-contact .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--violet);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

/* ---------- 首屏 ---------- */
.page-contact .cx-hero {
  position: relative;
  padding: clamp(28px, 4vw, 44px) 0 clamp(56px, 8vw, 92px);
}

.page-contact .cx-hero::before {
  content: "";
  position: absolute;
  inset: -10% -20% 30% 40%;
  background:
    radial-gradient(circle at 70% 30%, rgba(50, 225, 208, 0.16), transparent 62%),
    radial-gradient(circle at 20% 80%, rgba(106, 111, 143, 0.22), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .cx-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: end;
}

.page-contact .cx-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-contact .cx-hero__text {
  max-width: 54ch;
  margin: 20px 0 0;
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .cx-hero__text--sub {
  margin-top: 14px;
  font-size: clamp(15px, 1vw, 16px);
  color: rgba(199, 220, 235, 0.8);
}

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

.page-contact .cx-hero__actions .copy-email__status,
.page-contact .cx-channel__tools .copy-email__status,
.page-contact .cx-final__actions .copy-email__status {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mint);
}

/* 信标面板 */
.page-contact .cx-beacon {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(11, 42, 69, 0.92), rgba(6, 26, 46, 0.82));
  box-shadow: inset 0 1px 0 rgba(199, 220, 235, 0.08);
}

.page-contact .cx-beacon__grid {
  position: relative;
  height: clamp(146px, 24vw, 196px);
  border-radius: var(--radius-md);
  background-image:
    linear-gradient(rgba(46, 86, 117, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 86, 117, 0.55) 1px, transparent 1px);
  background-size: 30px 30px;
  background-position: center;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 38%, transparent 84%);
  mask-image: radial-gradient(circle at 50% 50%, #000 38%, transparent 84%);
}

.page-contact .cx-beacon__wave,
.page-contact .cx-beacon__ring,
.page-contact .cx-beacon__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
}

.page-contact .cx-beacon__wave {
  width: 196px;
  height: 196px;
  margin: -98px 0 0 -98px;
  border: 1px solid rgba(50, 225, 208, 0.26);
}

.page-contact .cx-beacon__ring {
  width: 116px;
  height: 116px;
  margin: -58px 0 0 -58px;
  border: 1px solid var(--cyan);
  box-shadow: 0 0 44px rgba(50, 225, 208, 0.22);
}

.page-contact .cx-beacon__dot {
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(50, 225, 208, 0.8);
}

.page-contact .cx-beacon__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

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

.page-contact .cx-beacon__list .mono {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 联系渠道 ---------- */
.page-contact .cx-channels {
  padding: var(--cx-space) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--cx-line-soft);
  border-bottom: 1px solid var(--cx-line-soft);
}

.page-contact .cx-channels__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.page-contact .cx-channels h2,
.page-contact .cx-prepare h2,
.page-contact .cx-cadence h2,
.page-contact .cx-coop h2,
.page-contact .cx-routing h2,
.page-contact .cx-final h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.22;
  letter-spacing: 0.015em;
  font-weight: 800;
}

.page-contact .cx-channels__intro {
  margin: 16px 0 8px;
  max-width: 52ch;
  color: var(--mist);
  line-height: 1.8;
}

.page-contact .cx-channel-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-contact .cx-channel {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--cx-line-soft);
}

.page-contact .cx-channel__index {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .cx-channel h3 {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .cx-channel__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.1vw, 22px);
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .cx-channel__note {
  margin: 10px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .cx-channel__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.page-contact .cx-copy {
  appearance: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--paper);
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(50, 225, 208, 0.06);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .cx-copy:hover,
.page-contact .cx-copy:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(50, 225, 208, 0.12);
  outline: none;
}

.page-contact .cx-copy:focus-visible {
  box-shadow: 0 0 0 3px rgba(255, 199, 168, 0.55);
}

.page-contact .cx-channels__figure {
  margin: 0;
}

/* ---------- 反馈准备 ---------- */
.page-contact .cx-prepare {
  padding: var(--cx-space) 0;
  background: var(--paper);
  color: var(--ink-text);
}

.page-contact .cx-prepare__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .cx-prepare .eyebrow {
  color: var(--teal);
}

.page-contact .cx-prepare__figure {
  margin: 0;
}

.page-contact .cx-prepare__intro {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.85;
  color: #274158;
}

.page-contact .cx-checklist {
  list-style: none;
  counter-reset: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-contact .cx-checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--cx-ink-soft);
}

.page-contact .cx-checklist__item:last-child {
  border-bottom: 1px solid var(--cx-ink-soft);
}

.page-contact .cx-checklist__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #0B3F45;
  background: rgba(14, 143, 134, 0.14);
  border: 1px solid rgba(14, 143, 134, 0.4);
}

.page-contact .cx-checklist__body h3 {
  margin: 4px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-text);
}

.page-contact .cx-checklist__body p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3B5569;
}

/* ---------- 响应节奏 ---------- */
.page-contact .cx-cadence {
  padding: var(--cx-space) 0;
  background: var(--ink-900);
}

.page-contact .cx-cadence__intro {
  margin: 16px 0 0;
  max-width: 56ch;
  color: var(--mist);
  line-height: 1.8;
}

.page-contact .cx-cadence__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(30px, 4vw, 44px);
}

.page-contact .cx-step {
  padding-top: 18px;
  border-top: 2px solid var(--cyan);
}

.page-contact .cx-step:nth-child(2) {
  border-top-color: var(--mint);
}

.page-contact .cx-step:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .cx-step:nth-child(4) {
  border-top-color: var(--violet);
}

.page-contact .cx-step__mark {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .cx-step h3 {
  margin: 10px 0 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .cx-step p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 合作咨询 ---------- */
.page-contact .cx-coop {
  position: relative;
  padding: var(--cx-space) 0;
  background: linear-gradient(165deg, var(--ink-800), var(--ink-900) 72%);
}

.page-contact .cx-coop::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 138, 61, 0.12) 68%, transparent);
}

.page-contact .cx-coop__inner {
  display: grid;
  gap: clamp(32px, 5vw, 52px);
}

.page-contact .cx-coop__lead {
  margin: 16px 0 0;
  max-width: 52ch;
  color: var(--mist);
  line-height: 1.85;
}

.page-contact .cx-coop__head .btn {
  margin-top: 26px;
}

.page-contact .cx-coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .cx-coop__list li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(6, 26, 46, 0.5);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .cx-coop__list li:hover {
  border-color: var(--orange);
  background: rgba(255, 138, 61, 0.07);
  transform: translateX(4px);
}

.page-contact .cx-coop__list h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .cx-coop__list p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .cx-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
  margin: 0;
  padding-top: 26px;
  border-top: 1px solid var(--cx-line-soft);
}

.page-contact .cx-metrics__item {
  margin: 0;
}

.page-contact .cx-metrics dt {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--violet);
  text-transform: uppercase;
}

.page-contact .cx-metrics dd {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .cx-metrics__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 700;
  color: var(--cyan);
  margin-right: 4px;
}

/* ---------- 问题分流 ---------- */
.page-contact .cx-routing {
  padding: var(--cx-space) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--cx-line-soft);
}

.page-contact .cx-routing__list {
  list-style: none;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
}

.page-contact .cx-routing__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px 16px;
  align-items: start;
  padding: 20px clamp(4px, 1vw, 12px);
  border-top: 1px solid var(--cx-line-soft);
  text-decoration: none;
  color: inherit;
  transition: background 0.3s var(--ease);
}

.page-contact .cx-routing__list li:last-child .cx-routing__link {
  border-bottom: 1px solid var(--cx-line-soft);
}

.page-contact .cx-routing__link:hover,
.page-contact .cx-routing__link:focus-visible {
  background: rgba(50, 225, 208, 0.07);
  outline: none;
}

.page-contact .cx-routing__link:focus-visible {
  box-shadow: inset 0 0 0 2px var(--coral);
}

.page-contact .cx-routing__tag {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.page-contact .cx-routing__text {
  display: block;
  min-width: 0;
}

.page-contact .cx-routing__text strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .cx-routing__text span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .cx-routing__arrow {
  font-size: 18px;
  color: var(--violet);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-contact .cx-routing__link:hover .cx-routing__arrow,
.page-contact .cx-routing__link:focus-visible .cx-routing__arrow {
  transform: translateX(6px);
  color: var(--orange);
}

/* ---------- 收束 ---------- */
.page-contact .cx-final {
  padding: clamp(48px, 7vw, 84px) 0 clamp(56px, 8vw, 96px);
  background: var(--ink-900);
}

.page-contact .cx-final__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(50, 225, 208, 0.16), transparent 58%),
    linear-gradient(150deg, var(--ink-800), var(--ink-900));
}

.page-contact .cx-final__text p {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .cx-final__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .cx-channel {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 22px;
  }

  .page-contact .cx-channel__index {
    padding-top: 6px;
  }

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

  .page-contact .cx-routing__link {
    grid-template-columns: 84px minmax(0, 1fr) auto;
    align-items: center;
    padding: 24px 12px;
  }

  .page-contact .cx-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .cx-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .cx-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .cx-channels__figure {
    position: sticky;
    top: 96px;
  }

  .page-contact .cx-prepare__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .cx-coop__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .cx-coop__head {
    grid-column: 1;
  }

  .page-contact .cx-coop__list {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .cx-metrics {
    grid-column: 1 / -1;
  }

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

  .page-contact .cx-final__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-contact .cx-cadence__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cx-coop__list li,
  .page-contact .cx-routing__arrow,
  .page-contact .cx-copy,
  .page-contact .cx-routing__link {
    transition: none;
  }

  .page-contact .cx-coop__list li:hover {
    transform: none;
  }
}
<<<END>>>