.page-contact {
  --ct-gap: 18px;
  --ct-radius: 4px;
  --ct-ink-soft: var(--ink-soft);
}

/* ---------- 页头 ---------- */
.page-contact .ct-head {
  padding-block: clamp(26px, 5vw, 60px) clamp(6px, 2vw, 18px);
}

.page-contact .ct-head .breadcrumb {
  margin-bottom: 20px;
}

.page-contact .ct-head .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-red);
}

.page-contact .ct-head h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(29px, 6vw, 54px);
  font-weight: 900;
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 18ch;
}

.page-contact .ct-head .lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-head-meta {
  margin: 22px 0 0;
}

/* ---------- 通用章节标题 ---------- */
.page-contact .ct-section-head {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-contact .ct-section-head h2 {
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 5px solid var(--c-red);
  font-family: var(--font-display);
  font-size: clamp(23px, 4.4vw, 38px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-contact .ct-section-head p {
  margin: 0;
  max-width: 60ch;
  color: var(--ct-ink-soft);
  line-height: 1.75;
}

.page-contact .section--dark .ct-section-head h2 {
  color: var(--c-paper);
  border-left-color: var(--c-orange);
}

.page-contact .section--dark .ct-section-head p {
  color: rgba(247, 244, 238, 0.72);
}

/* ---------- 图片 ---------- */
.page-contact .ct-figure {
  margin: 0 0 clamp(22px, 4vw, 38px);
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1.5px solid var(--c-fog);
  border-radius: var(--ct-radius);
}

.page-contact .ct-figure .figure-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-faint);
  line-height: 1.6;
}

/* ---------- 合作方向展板 ---------- */
.page-contact .ct-boards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-board {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 52px 22px 24px;
  background: var(--c-paper);
  border: 1.5px solid var(--c-fog);
  border-radius: var(--ct-radius);
  box-shadow: var(--shadow-card);
  transition: transform var(--t-base), border-color var(--t-base);
}

.page-contact .ct-board:hover {
  transform: translateY(-3px);
  border-color: var(--c-red);
}

.page-contact .ct-num {
  position: absolute;
  top: 0;
  left: 0;
  padding: 6px 14px;
  border-radius: 0 0 var(--ct-radius) 0;
  background: linear-gradient(120deg, var(--c-red), var(--c-orange));
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-contact .ct-board h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 3.2vw, 25px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-contact .ct-board-for {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-grass);
}

.page-contact .ct-board p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-board-gains {
  list-style: none;
  margin: 4px 0 0;
  padding: 14px 0 0;
  border-top: 1.5px solid var(--c-fog);
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

.page-contact .ct-board-gains li {
  position: relative;
  padding-left: 18px;
}

.page-contact .ct-board-gains li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-teal);
}

/* ---------- 合作流程 ---------- */
.page-contact .ct-flow {
  padding-block: clamp(48px, 8vw, 92px);
}

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

.page-contact .ct-step {
  position: relative;
  margin-left: 18px;
  padding: 0 0 32px 30px;
  border-left: 2px solid rgba(247, 244, 238, 0.18);
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 4px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--c-navy);
  border: 3px solid var(--c-teal);
}

.page-contact .ct-step:last-child::before {
  border-color: var(--c-orange);
}

.page-contact .ct-step-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-contact .ct-step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(18px, 3vm, 22px);
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 900;
  color: var(--c-paper);
  line-height: 1.25;
}

.page-contact .ct-step p {
  margin: 0 0 10px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 244, 238, 0.72);
}

.page-contact .ct-step-out {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact .ct-step-out .plate {
  color: var(--c-navy);
  background: var(--c-teal);
  border-color: var(--c-teal);
  font-size: 12px;
}

.page-contact .ct-step-time {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-teal);
  letter-spacing: 0.02em;
}

/* ---------- 内容与数据标准 ---------- */
.page-contact .ct-standard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-standard-item {
  padding: 22px 20px;
  background: var(--c-paper);
  border: 1.5px solid var(--c-fog);
  border-radius: var(--ct-radius);
  box-shadow: var(--shadow-card);
}

.page-contact .ct-standard-item h3 {
  margin: 14px 0 12px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.3;
}

.page-contact .ct-standard-item ul {
  margin: 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-standard-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-standard-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1.5px solid var(--c-fog);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-grass);
}

/* ---------- 反馈渠道 ---------- */
.page-contact .ct-feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-feedback-card {
  padding: 22px 22px 20px;
  background: var(--c-paper);
  border-left: 4px solid var(--c-teal);
  border-radius: 0 var(--ct-radius) var(--ct-radius) 0;
  box-shadow: var(--shadow-card);
}

.page-contact .ct-feedback-card:nth-child(2) {
  border-left-color: var(--c-orange);
}

.page-contact .ct-feedback-card:nth-child(3) {
  border-left-color: var(--c-violet);
}

.page-contact .ct-feedback-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
}

.page-contact .ct-feedback-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-template {
  margin-top: 26px;
  border: 1.5px solid var(--c-navy);
  border-radius: var(--ct-radius);
  overflow: hidden;
}

.page-contact .ct-template-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 14px 18px;
  background: var(--c-navy);
}

.page-contact .ct-template-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  color: var(--c-paper);
}

.page-contact .ct-template-hint {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(247, 244, 238, 0.62);
}

.page-contact .ct-template-body {
  margin: 0;
  padding: 18px;
  background: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-x: auto;
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-contact .ct-contact-card {
  padding: 24px 22px;
  background: var(--c-paper);
  border: 1.5px solid var(--c-fog);
  border-top: 4px solid var(--c-red);
  border-radius: 0 0 var(--ct-radius) var(--ct-radius);
  box-shadow: var(--shadow-card);
}

.page-contact .ct-contact-card h3 {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.4;
}

.page-contact .contact-list {
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-list > div {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1.5px dotted var(--c-fog);
}

.page-contact .contact-list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.page-contact .contact-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .ct-contact-card .muted {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-legal {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1.5px solid var(--c-fog);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-faint);
}

.page-contact .ct-contact-card--wide {
  border-top-color: var(--c-grass);
}

/* ---------- 服务时间 ---------- */
.page-contact .ct-hours {
  padding-bottom: clamp(52px, 8vw, 96px);
}

.page-contact .ct-clock {
  margin-bottom: 30px;
}

.page-contact .ct-clock-bar {
  position: relative;
  height: 28px;
  border: 1.5px solid var(--c-graphite);
  border-radius: 14px;
  background: var(--c-fog);
  overflow: hidden;
}

.page-contact .ct-clock-window {
  position: absolute;
  inset: 3px;
  border-radius: 11px;
  background: linear-gradient(90deg, var(--c-orange), var(--c-red));
}

.page-contact .ct-clock-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

.page-contact .ct-sla {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1.5px solid var(--c-fog);
}

.page-contact .ct-sla li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1.5px solid var(--c-fog);
}

.page-contact .ct-sla-type {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
}

.page-contact .ct-sla-time {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-red);
  white-space: nowrap;
}

.page-contact .ct-sla-desc {
  grid-column: 1 / -1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hours-foot {
  margin: 26px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hours-foot a {
  color: var(--c-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-sla li {
    grid-template-columns: 160px minmax(0, 1fr) auto;
  }

  .page-contact .ct-sla-desc {
    grid-column: 2 / 3;
  }
}

@media (min-width: 760px) {
  .page-contact {
    --ct-gap: 22px;
  }

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

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

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

  .page-contact .ct-feedback-card:last-child {
    grid-column: 1 / -1;
  }

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

  .page-contact .ct-contact-card--wide {
    grid-column: 1 / -1;
  }

  .page-contact .ct-step {
    padding-left: 38px;
  }
}

@media (min-width: 1024px) {
  .page-contact {
    --ct-gap: 26px;
  }

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

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

  .page-contact .ct-feedback-card:last-child {
    grid-column: auto;
  }

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

  .page-contact .ct-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .ct-step {
    margin-left: 0;
    padding: 26px 0 0;
    border-left: 0;
    border-top: 2px solid rgba(247, 244, 238, 0.2);
  }

  .page-contact .ct-step:last-child {
    border-top-color: transparent;
    padding-bottom: 0;
  }

  .page-contact .ct-step::before {
    left: 0;
    top: -9px;
  }

  .page-contact .ct-step:last-child::before {
    border-color: var(--c-orange);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-board {
    transition: none;
  }

  .page-contact .ct-board:hover {
    transform: none;
  }
}
<<<END>>>
</main>