.page-contact {
  --ct-rule: rgba(6, 42, 58, .16);
  --ct-rule-strong: rgba(6, 42, 58, .3);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 5vw, 60px));
  padding-bottom: clamp(48px, 7vw, 88px);
  color: var(--paper);
  background-color: var(--deep);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  overflow: hidden;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(45, 226, 197, 0) 62%);
}

.page-contact .ct-breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-contact .ct-breadcrumb .breadcrumb-list a {
  color: var(--steel);
}

.page-contact .ct-breadcrumb .breadcrumb-list li[aria-current] {
  color: var(--cyan);
}

.page-contact .ct-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .ct-hero-copy .eyebrow {
  color: var(--cyan);
}

.page-contact .ct-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-cond);
  font-size: clamp(34px, 5.6vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .ct-hero .lede {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-hero-media {
  position: relative;
  margin: 0;
  aspect-ratio: 12 / 7;
  border: 1px solid var(--line-cyan);
  background: var(--ink);
  overflow: hidden;
}

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

/* ---------- 联络信息 + 通道卡 ---------- */
.page-contact .ct-channels {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-channels-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 42px);
  align-items: start;
}

.page-contact .ct-data {
  position: relative;
  padding: clamp(24px, 3.4vw, 38px);
  color: var(--paper);
  background: linear-gradient(158deg, var(--lane), var(--deep) 72%);
  border: 1px solid var(--line-cyan);
}

.page-contact .ct-data::before,
.page-contact .ct-data::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--cyan);
}

.page-contact .ct-data::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .ct-data::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-contact .ct-data .eyebrow {
  color: var(--cyan);
}

.page-contact .ct-data-title {
  margin: 10px 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-cond);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .ct-data-list {
  margin: 0;
}

.page-contact .ct-data-row {
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-data-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-data-key {
  display: block;
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .ct-data-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.4;
  color: var(--cyan);
  word-break: break-word;
  user-select: all;
}

.page-contact .ct-data-val--mail {
  font-size: clamp(14px, 1.7vw, 17px);
}

.page-contact .ct-data-val--text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ct-data-note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .ct-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  background: #ffffff;
  border: 1px solid var(--ct-rule);
  border-left: 2px solid var(--cyan);
  transition: border-left-color .2s ease;
}

.page-contact .ct-card:hover {
  border-left-color: var(--orange);
}

.page-contact .ct-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .ct-card-idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
}

.page-contact .ct-card-title {
  margin: 0 0 10px;
  font-family: var(--font-cond);
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--deep);
}

.page-contact .ct-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--lane);
}

.page-contact .ct-card-link {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

/* ---------- 服务时间与响应 ---------- */
.page-contact .ct-response {
  color: var(--paper);
  background-color: var(--lane);
  background-image: linear-gradient(180deg, rgba(45, 226, 197, .07), rgba(45, 226, 197, 0) 62%);
}

.page-contact .ct-response .eyebrow {
  color: var(--cyan);
}

.page-contact .ct-response .section-title {
  color: var(--paper);
}

.page-contact .ct-response .section-sub {
  color: var(--mist);
  max-width: 62ch;
}

.page-contact .ct-resp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-contact .ct-resp-media {
  margin: 0;
  border: 1px solid var(--line-cyan);
  background: var(--ink);
  overflow: hidden;
}

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

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

.page-contact .ct-step {
  position: relative;
  padding: 0 0 26px 46px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 28px;
  bottom: 0;
  width: 1px;
  background: var(--line-cyan);
}

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

.page-contact .ct-step-idx {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  font-size: 11px;
  color: var(--deep);
  background: var(--cyan);
}

.page-contact .ct-step-title {
  margin: 2px 0 6px;
  font-family: var(--font-cond);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 使用反馈 ---------- */
.page-contact .ct-feedback {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-feedback .eyebrow {
  color: var(--lane);
}

.page-contact .ct-feedback .section-title {
  color: var(--deep);
}

.page-contact .ct-feedback .section-sub {
  color: var(--lane);
}

.page-contact .ct-fb-list {
  margin-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--ct-rule-strong);
}

.page-contact .ct-fb-item {
  border-bottom: 1px solid var(--ct-rule);
}

.page-contact .ct-fb-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-fb-summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-fb-summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--deep);
}

.page-contact .ct-fb-item[open] .ct-fb-summary::after {
  content: "−";
  color: var(--orange);
}

.page-contact .ct-fb-tag {
  flex: 0 0 auto;
  padding: 4px 9px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--deep);
  background: var(--mist);
}

.page-contact .ct-fb-q {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--deep);
}

.page-contact .ct-fb-body {
  padding: 0 0 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--lane);
}

.page-contact .ct-fb-body p {
  margin: 0 0 10px;
}

.page-contact .ct-fb-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 结尾索引 ---------- */
.page-contact .ct-next {
  color: var(--paper);
  background: var(--ink);
  border-top: 1px solid var(--line-cyan);
}

.page-contact .ct-next .eyebrow {
  color: var(--cyan);
}

.page-contact .ct-next .section-title {
  color: var(--paper);
}

.page-contact .ct-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-contact .ct-link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
}

.page-contact .ct-link-k {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .ct-link-t {
  font-size: 15px;
}

.page-contact .ct-link-s {
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-links {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 44px;
  }
}

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

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

  .page-contact .ct-data {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-contact .ct-cards {
    padding-top: 6px;
  }

  .page-contact .ct-card--shift {
    margin-left: clamp(0px, 4vw, 56px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card {
    transition: none;
  }
}
<<<END>>>