.page-contact {
  --ct-panel: linear-gradient(158deg, rgba(10, 44, 58, 0.72), rgba(6, 24, 38, 0.95));
  --ct-edge: rgba(126, 150, 168, 0.22);
  --ct-edge-strong: rgba(126, 150, 168, 0.42);
  --ct-radius: 14px;
  --ct-text: rgba(216, 226, 232, 0.84);
  --ct-text-soft: rgba(216, 226, 232, 0.72);
  background: var(--ink);
  color: var(--mist);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--mist);
  margin: 0;
}

.page-contact p {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 40px) clamp(44px, 7vw, 88px);
  background:
    radial-gradient(120% 95% at 88% -10%, rgba(10, 44, 58, 0.95), transparent 62%),
    radial-gradient(85% 75% at 4% 105%, rgba(33, 26, 60, 0.78), transparent 66%),
    var(--ink);
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(126, 150, 168, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126, 150, 168, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask-image: radial-gradient(80% 70% at 50% 30%, #000 20%, transparent 85%);
}

.page-contact .ct-hero .shell {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(20px, 4vw, 38px);
}

.page-contact .ct-hero h1 {
  font-size: clamp(32px, 8vw, 60px);
  margin: 14px 0 18px;
  max-width: 16ch;
}

.page-contact .ct-hero__intro {
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--ct-text);
  max-width: 46ch;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .ct-hero__facts {
  margin: clamp(26px, 4vw, 36px) 0 0;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-hero__facts > div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .ct-hero__facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ct-text-soft);
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--ct-edge-strong);
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: rgba(10, 44, 58, 0.5);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-hero__figure figcaption {
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
  border-top: 1px solid var(--ct-edge);
}

/* ---------- 通用区块头 ---------- */
.page-contact .ct-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .ct-head--tight {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-head h2 {
  font-size: clamp(25px, 4.6vw, 40px);
  margin: 12px 0 14px;
}

.page-contact .ct-head p:not(.mono-label) {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-text-soft);
}

/* ---------- 通道优先级 ---------- */
.page-contact .ct-priority {
  padding-block: clamp(42px, 7vw, 84px);
}

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

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  background: var(--ct-panel);
  border: 1px solid var(--ct-edge);
  border-radius: var(--ct-radius);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  transform: translateY(-3px);
  border-color: var(--amber-dim);
}

.page-contact .ct-channel--primary {
  border-color: rgba(243, 179, 61, 0.46);
  background:
    linear-gradient(158deg, rgba(59, 22, 38, 0.7), rgba(6, 24, 38, 0.96));
}

.page-contact .ct-channel--primary::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--ct-radius) 0 0 var(--ct-radius);
  background: var(--amber);
}

.page-contact .ct-channel__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .ct-channel h3 {
  font-size: clamp(19px, 2.4vw, 23px);
}

.page-contact .ct-channel p {
  flex: 1;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-text-soft);
}

.page-contact .ct-channel .btn {
  align-self: flex-start;
  max-width: 100%;
  word-break: break-word;
  text-align: left;
}

/* ---------- 固定路径 ---------- */
.page-contact .ct-route {
  padding-block: clamp(44px, 7vw, 88px);
  background: linear-gradient(172deg, rgba(33, 26, 60, 0.72), rgba(6, 24, 38, 0.98) 72%);
  border-top: 1px solid var(--ct-edge);
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-route__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

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

.page-contact .ct-step {
  position: relative;
  padding: 0 0 26px 48px;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 0;
  width: 1px;
  background: var(--ct-edge-strong);
}

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

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  border-radius: 50%;
  border: 1px solid var(--amber-dim);
  background: rgba(6, 24, 38, 0.92);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--amber);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-step:hover .ct-step__node {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-contact .ct-step h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.page-contact .ct-step p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ct-text-soft);
}

.page-contact .ct-route__stage {
  display: grid;
  gap: 18px;
}

.page-contact .ct-map {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--ct-edge-strong);
  border-radius: var(--ct-radius);
  background: rgba(6, 24, 38, 0.74);
}

.page-contact .ct-map svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .ct-map__frame {
  fill: none;
  stroke: var(--ct-edge-strong);
}

.page-contact .ct-map__col {
  fill: rgba(126, 150, 168, 0.1);
  stroke: rgba(126, 150, 168, 0.28);
  transition: fill 0.2s var(--ease), stroke 0.2s var(--ease);
}

.page-contact .ct-map__col--channel {
  fill: rgba(243, 179, 61, 0.2);
  stroke: var(--amber);
}

.page-contact .ct-route:has(.ct-step--target:hover) .ct-map__col--channel {
  fill: rgba(243, 179, 61, 0.44);
  stroke: var(--signal);
}

.page-contact .ct-map__label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--steel);
}

.page-contact .ct-map__label--channel {
  fill: var(--amber);
}

.page-contact .ct-map__arrow {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1.6;
  stroke-dasharray: 4 4;
}

.page-contact .ct-map__arrow-head {
  fill: var(--signal);
}

.page-contact .ct-map figcaption,
.page-contact .ct-stage__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-stage__figure {
  margin: 0;
  border: 1px solid var(--ct-edge);
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: rgba(10, 44, 58, 0.45);
}

.page-contact .ct-stage__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
}

.page-contact .ct-stage__figure figcaption {
  margin: 0;
  padding: 13px 16px;
  border-top: 1px solid var(--ct-edge);
}

/* ---------- 响应说明 ---------- */
.page-contact .ct-response {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-contact .ct-response__panel {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--ct-edge-strong);
}

.page-contact .ct-response__clock {
  max-width: 56ch;
}

.page-contact .ct-response__time {
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 58px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--amber);
  margin: 10px 0 12px;
}

.page-contact .ct-response__note {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-text);
}

.page-contact .ct-response__grid {
  list-style: none;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: clamp(20px, 3vw, 28px) 0 0;
  border-top: 1px solid var(--ct-edge);
  display: grid;
  gap: 20px;
}

.page-contact .ct-response__grid h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.page-contact .ct-response__grid p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ct-text-soft);
}

/* ---------- 咨询分类抽屉 ---------- */
.page-contact .ct-topics {
  padding-block: clamp(42px, 7vw, 84px);
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-topics__list {
  display: grid;
  gap: 12px;
}

.page-contact .ct-topic {
  border: 1px solid var(--ct-edge);
  border-radius: 10px;
  background: rgba(10, 44, 58, 0.4);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .ct-topic[open] {
  border-color: var(--amber-dim);
  background: rgba(10, 44, 58, 0.62);
}

.page-contact .ct-topic .drawer__summary {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 4px 14px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
}

.page-contact .ct-topic .drawer__index {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber);
  align-self: start;
  padding-top: 3px;
}

.page-contact .ct-topic__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .ct-topic__hint {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--steel);
}

.page-contact .ct-topic .drawer__body {
  padding: 0 18px 20px 74px;
}

.page-contact .ct-topic .drawer__body ul {
  margin: 0 0 10px;
  padding-left: 16px;
}

.page-contact .ct-topic .drawer__body li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-text-soft);
  margin-bottom: 6px;
}

.page-contact .ct-topic .drawer__body p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ct-text-soft);
}

.page-contact .ct-topic .drawer__body a {
  color: var(--amber);
  text-underline-offset: 3px;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .ct-info {
  padding-block: clamp(42px, 7vw, 84px);
}

.page-contact .ct-info__card {
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--ct-edge-strong);
  border-radius: var(--ct-radius);
  background: linear-gradient(160deg, rgba(126, 150, 168, 0.22), rgba(6, 24, 38, 0.94) 68%);
}

.page-contact .ct-info__head {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-contact .ct-info__head h2 {
  font-size: clamp(24px, 4.2vw, 36px);
  margin-top: 12px;
}

.page-contact .ct-info__grid {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-info__row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px dashed rgba(126, 150, 168, 0.3);
}

.page-contact .ct-info__row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-contact .ct-info__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-contact .ct-info__row dd a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .ct-info__row dd a:hover,
.page-contact .ct-info__row dd a:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

/* ---------- 准备清单与合作 ---------- */
.page-contact .ct-prep {
  padding-block: clamp(42px, 7vw, 88px);
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-prep__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

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

.page-contact .ct-prep__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-prep__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-prep__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  padding-top: 3px;
}

.page-contact .ct-prep__list p {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ct-text-soft);
}

.page-contact .ct-partner {
  padding: clamp(22px, 3.5vw, 32px);
  border: 1px solid rgba(243, 179, 61, 0.32);
  border-radius: var(--ct-radius);
  background: linear-gradient(165deg, rgba(33, 26, 60, 0.88), rgba(6, 24, 38, 0.95));
}

.page-contact .ct-partner h2 {
  font-size: clamp(21px, 3vw, 27px);
  margin: 12px 0 18px;
}

.page-contact .ct-partner__block {
  padding: 16px 0;
  border-top: 1px solid rgba(126, 150, 168, 0.24);
}

.page-contact .ct-partner__block h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--amber);
}

.page-contact .ct-partner__block p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ct-text-soft);
}

.page-contact .ct-partner__block a {
  color: var(--amber);
  text-underline-offset: 3px;
}

.page-contact .ct-partner__cta {
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .ct-info__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 48px);
  }

  .page-contact .ct-topic .drawer__summary {
    grid-template-columns: 42px minmax(0, 1fr) auto;
    gap: 6px 18px;
  }

  .page-contact .ct-topic .drawer__index {
    grid-row: auto;
  }

  .page-contact .ct-topic__hint {
    text-align: right;
    max-width: 26ch;
  }

  .page-contact .ct-topic .drawer__body {
    padding-left: 78px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
  }

  .page-contact .ct-route__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-steps {
    position: sticky;
    top: 96px;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-partner {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero__figure img {
    max-height: 440px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-step__node,
  .page-contact .ct-map__col,
  .page-contact .ct-topic {
    transition: none;
  }

  .page-contact .ct-channel:hover,
  .page-contact .ct-channel:focus-within {
    transform: none;
  }
}
<<<END>>>