.page-contact {
  --ct-rule: 1px solid var(--line-soft);
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(72px, 10vw, 140px);
  overflow-x: hidden;
}

/* ---------- 通用排版（页面作用域内） ---------- */
.page-contact .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
  padding-bottom: clamp(14px, 2vw, 20px);
  border-bottom: var(--ct-rule);
}

.page-contact .section-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--stone);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  margin-bottom: clamp(24px, 5vw, 44px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

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

.page-contact .breadcrumb-link {
  color: var(--stone);
  text-decoration: none;
  transition: color .16s var(--ease);
}

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

.page-contact .breadcrumb-current {
  color: var(--paper-dim);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(20px, 4vw, 40px) 0 0;
}

.page-contact .ct-hero-eyebrow {
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-contact .ct-hero-title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-head);
  font-size: clamp(2.3rem, 7vw, 5.2rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-contact .ct-hero-lead {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-contact .ct-hero-figure {
  position: relative;
  margin: clamp(34px, 5vw, 58px) 0 0;
  border: var(--ct-rule);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-800), var(--ink-900));
}

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

.page-contact .ct-hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 46, 0) 48%, rgba(11, 27, 46, .55) 100%);
  pointer-events: none;
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels {
  padding: clamp(64px, 9vw, 112px) 0 clamp(32px, 5vw, 56px);
}

.page-contact .ct-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(8px, 1.6vw, 18px) 0 0;
  padding: 0;
  list-style: none;
  border-bottom: var(--ct-rule);
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  position: relative;
  padding: clamp(26px, 3.2vw, 36px) 0 clamp(28px, 3.4vw, 38px);
  border-bottom: var(--ct-rule);
  transition: background-color .16s var(--ease);
}

.page-contact .ct-channel:last-child {
  border-bottom: 0;
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: calc(clamp(20px, 2.4vw, 30px) * -1);
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color .16s var(--ease);
}

.page-contact .ct-channel:hover::before,
.page-contact .ct-channel:focus-within::before {
  background: var(--cyan);
}

.page-contact .ct-channel-icon {
  width: 28px;
  height: 28px;
  color: var(--stone);
  transition: color .16s var(--ease);
}

.page-contact .ct-channel:hover .ct-channel-icon,
.page-contact .ct-channel:focus-within .ct-channel-icon {
  color: var(--cyan);
}

.page-contact .ct-channel-title {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-channel-desc {
  margin: 10px 0 0;
  max-width: 32ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper-dim);
}

.page-contact .ct-channel-meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .ct-channel-value {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel-cta,
.page-contact .ct-copy {
  margin-top: auto;
  align-self: flex-start;
}

.page-contact .ct-channel-cta {
  margin-top: 22px;
}

.page-contact .ct-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .16s var(--ease), color .16s var(--ease), background-color .16s var(--ease);
}

.page-contact .ct-copy:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-copy.is-copied {
  background: var(--cyan-deep);
  border-color: var(--cyan-deep);
  color: var(--paper);
}

/* ---------- 工单通道 ---------- */
.page-contact .ct-ticket {
  padding: clamp(52px, 7vw, 88px) 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-ticket-inner {
  max-width: 66ch;
}

.page-contact .ct-ticket-lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-contact .ct-steps {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: ctstep;
}

.page-contact .ct-steps li {
  position: relative;
  padding-left: 46px;
  margin-bottom: 18px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--paper-dim);
  counter-increment: ctstep;
}

.page-contact .ct-steps li:last-child {
  margin-bottom: 0;
}

.page-contact .ct-steps li::before {
  content: counter(ctstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-contact .ct-steps li strong {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .ct-ticket-cta {
  margin-top: clamp(28px, 3.4vw, 38px);
}

/* ---------- 响应节奏 ---------- */
.page-contact .ct-hours {
  padding: clamp(52px, 7vw, 88px) 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 32px);
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-metric {
  padding-left: clamp(16px, 2vw, 22px);
  border-left: 2px solid var(--cyan);
}

.page-contact .ct-metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  white-space: nowrap;
}

.page-contact .ct-metric-value small {
  margin-left: 8px;
  font-size: .42em;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-contact .ct-metric-label {
  display: block;
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-contact .ct-hours-note {
  margin: clamp(28px, 3.6vw, 40px) 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 函件与资料寄送 ---------- */
.page-contact .ct-mail {
  padding: clamp(56px, 8vw, 96px) 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-mail-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .ct-mail-figure {
  margin: 0;
  border: var(--ct-rule);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-contact .ct-mail-text {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-contact .ct-address {
  display: block;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: clamp(15px, 2vw, 20px) clamp(16px, 2.2vw, 24px);
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius-panel) var(--radius-panel) 0;
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-legal {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--stone);
}

/* ---------- 提交前准备 ---------- */
.page-contact .ct-prep {
  padding: clamp(64px, 9vw, 120px) 0 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-prep-inner {
  max-width: 62ch;
}

.page-contact .ct-prep-lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-contact .ct-checklist {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 3.5vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 18px;
  border: var(--ct-rule);
  border-radius: 14px;
  cursor: pointer;
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-contact .ct-check:hover {
  border-color: var(--cyan);
  background: var(--ink-800);
}

.page-contact .ct-check-input {
  position: relative;
  width: 22px;
  height: 22px;
  margin: 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-contact .ct-check-input:hover {
  border-color: var(--cyan);
}

.page-contact .ct-check-input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-check-input:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-check-input:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(45deg);
}

.page-contact .ct-check-text {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--paper-dim);
}

.page-contact .ct-check-text strong {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .ct-prep-note {
  margin: clamp(26px, 3.4vw, 36px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-contact .ct-prep-note a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

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

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-channel {
    padding-left: clamp(20px, 2.4vw, 30px);
    padding-right: clamp(20px, 2.4vw, 30px);
  }

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

  .page-contact .ct-mail-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-channel {
    border-bottom: 0;
    min-height: 300px;
  }

  .page-contact .ct-channel + .ct-channel {
    border-left: var(--ct-rule);
  }

  .page-contact .ct-channel:first-child {
    padding-left: 0;
  }

  .page-contact .ct-channel:first-child::before {
    left: 4px;
  }

  .page-contact .ct-channel:last-child {
    padding-right: 0;
  }

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

  .page-contact .ct-mail-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-contact .ct-ticket-inner {
    max-width: 74ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
  }
}