.page-contact {
  --ctc-muted: #A5BDB5;
  --ctc-dim: #7E978F;
  display: block;
  overflow-x: clip;
}

.page-contact .section__head {
  max-width: 64ch;
}

.page-contact .section__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 6.4vw, 40px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .section__lead {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ctc-muted);
}

/* ---------- 首屏 ---------- */
.page-contact .ctc-hero {
  padding-top: 22px;
  padding-bottom: 46px;
}

.page-contact .ctc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: end;
}

.page-contact .ctc-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 11.5vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-contact .ctc-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-family: var(--font-serif);
  font-size: clamp(16px, 4.2vw, 19px);
  line-height: 1.74;
  color: var(--cyan-soft);
}

.page-contact .ctc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ctc-hero__media {
  margin: 0;
}

.page-contact .ctc-hero__media img,
.page-contact .ctc-coop__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ctc-channels {
  padding-top: 30px;
  padding-bottom: 54px;
}

.page-contact .ctc-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.page-contact .ctc-channels__list {
  display: grid;
  gap: 12px;
}

.page-contact .ctc-channel {
  padding: 20px 22px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--line);
  border-radius: var(--radius-sm) var(--radius) var(--radius) var(--radius-sm);
  transition: transform var(--t), border-color var(--t), background var(--t);
}

.page-contact .ctc-channel:hover,
.page-contact .ctc-channel:focus-within {
  transform: translateY(-2px);
  background: var(--ink-700);
  border-color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-contact .ctc-channel__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .ctc-channel__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.8vw, 24px);
  line-height: 1.32;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ctc-channel__note {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ctc-muted);
}

.page-contact .ctc-aside {
  padding: 24px 22px 26px;
  border-radius: var(--radius);
}

.page-contact .ctc-aside__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

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

.page-contact .ctc-aside__list li {
  display: grid;
  gap: 5px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ctc-muted);
}

.page-contact .ctc-aside__list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ctc-aside__list .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 合作方向 ---------- */
.page-contact .ctc-coop-sec {
  position: relative;
  margin-top: 16px;
  padding: 58px 0 64px;
  background: var(--ink-800);
  clip-path: polygon(0 34px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .ctc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 30px;
}

.page-contact .ctc-coop {
  display: grid;
  gap: 0;
}

.page-contact .ctc-coop__item {
  padding: 20px 0 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ctc-coop__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ctc-coop__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .ctc-coop__text {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.74;
  color: var(--ctc-muted);
}

.page-contact .ctc-coop__media {
  margin: 0;
}

.page-contact .ctc-coop__media .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ctc-dim);
}

.page-contact .ctc-coop__cta {
  margin: 26px 0 0;
}

/* ---------- 需求描述 ---------- */
.page-contact .ctc-write {
  padding-top: 66px;
  padding-bottom: 50px;
}

.page-contact .ctc-steps {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-contact .ctc-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ctc-step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ctc-step__num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.25;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .ctc-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .ctc-step__text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ctc-muted);
}

.page-contact .ctc-subject {
  margin-top: 28px;
  padding: 22px 22px 24px;
  border-left: 3px solid var(--yellow);
  border-radius: var(--radius-sm) var(--radius) var(--radius) var(--radius-sm);
}

.page-contact .ctc-subject__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--yellow);
}

.page-contact .ctc-subject__line {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.8vw, 19px);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ctc-subject__hint {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ctc-muted);
}

/* ---------- 服务节奏 ---------- */
.page-contact .ctc-rhythm {
  padding-top: 24px;
  padding-bottom: 58px;
}

.page-contact .ctc-stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.page-contact .ctc-stats .stat {
  padding-top: 20px;
  border-top: 2px solid var(--ink-700);
}

.page-contact .ctc-stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(38px, 9vw, 56px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .ctc-stats .stat__unit {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-soft);
}

.page-contact .ctc-stats .stat__label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ctc-muted);
}

/* ---------- 延伸入口 ---------- */
.page-contact .ctc-more {
  padding-bottom: 44px;
}

.page-contact .ctc-more__title {
  margin: 24px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 5.4vw, 30px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ctc-more__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ctc-more__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--t), background var(--t), transform var(--t);
}

.page-contact .ctc-more__link .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .ctc-more__link:hover {
  transform: translateY(-2px);
  background: var(--ink-800);
  border-color: var(--cyan);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 栅格与响应 ---------- */
@media (min-width: 700px) {
  .page-contact .ctc-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 34px;
  }

  .page-contact .ctc-channels__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-contact .ctc-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

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

@media (min-width: 1020px) {
  .page-contact .ctc-coop-sec {
    padding: 76px 0 86px;
  }

  .page-contact .ctc-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .ctc-coop__media {
    position: sticky;
    top: 32px;
  }

  .page-contact .ctc-hero {
    padding-top: 32px;
    padding-bottom: 62px;
  }

  .page-contact .ctc-steps {
    max-width: 78ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ctc-channel,
  .page-contact .ctc-more__link {
    transition: none;
  }

  .page-contact .ctc-channel:hover,
  .page-contact .ctc-channel:focus-within,
  .page-contact .ctc-more__link:hover {
    transform: none;
  }
}