.page-contact {
  --pc-pad: clamp(18px, 3vw, 28px);
  --pc-gap: clamp(18px, 3.4vw, 32px);
}

.page-contact .pc-crumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* 首屏 */
.page-contact .pc-hero {
  padding: clamp(26px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
}

.page-contact .pc-hero__inner {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-hero__title {
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
  overflow-wrap: break-word;
}

.page-contact .pc-hero__lead .lede {
  max-width: 60ch;
  color: var(--c-cream);
  opacity: .82;
}

.page-contact .pc-quick {
  display: grid;
  border-top: 1px solid var(--c-line);
}

.page-contact .pc-quick__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .pc-quick__key {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-sage);
}

.page-contact .pc-quick__val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-flood);
  overflow-wrap: anywhere;
}

/* 渠道分屏 */
.page-contact .pc-split {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-split__main,
.page-contact .pc-side {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-contact .pc-channels {
  display: grid;
  gap: 14px;
}

.page-contact .pc-channel {
  padding: var(--pc-pad);
  display: grid;
  gap: 10px;
  justify-items: start;
}

.page-contact .pc-channel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .pc-channel__head h3 {
  font-size: 16px;
  letter-spacing: .02em;
}

.page-contact .pc-channel__val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.8vw, 19px);
  line-height: 1.4;
  color: var(--c-flood);
  margin: 0;
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__val--text {
  font-size: 14px;
  color: var(--c-cream);
}

.page-contact .pc-channel__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-sage);
}

.page-contact .pc-shot,
.page-contact .pc-coord {
  margin: 0;
}

/* 响应侧栏 */
.page-contact .pc-side__title {
  font-size: 16px;
  margin-bottom: 8px;
}

.page-contact .pc-sla {
  padding: var(--pc-pad);
}

.page-contact .pc-sla__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-sla__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .pc-sla__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4vw, 28px);
  line-height: 1;
  color: var(--c-lime);
}

.page-contact .pc-sla__body {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-sage);
}

/* 处理步骤 */
.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pc-step;
  display: grid;
}

.page-contact .pc-step {
  counter-increment: pc-step;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--c-line-strong);
}

.page-contact .pc-step::before {
  content: counter(pc-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-gold);
}

.page-contact .pc-step__title {
  grid-column: 2;
  font-size: clamp(16px, 2.6vw, 20px);
  line-height: 1.4;
}

.page-contact .pc-step__body {
  grid-column: 2;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-sage);
}

.page-contact .pc-steps__tail {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-sage);
  max-width: 74ch;
}

/* 合作标签页 */
.page-contact .pc-coop {
  margin-top: 4px;
}

.page-contact .pc-coop__panel {
  padding: var(--pc-pad);
  display: grid;
  gap: 14px;
}

.page-contact .pc-coop__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-cream);
  max-width: 76ch;
}

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

.page-contact .pc-coop__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-sage);
}

.page-contact .pc-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--c-lime);
}

.page-contact .pc-coop__foot {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-sage);
}

/* 桌面端支持 */
.page-contact .pc-support {
  display: grid;
  gap: 14px;
}

.page-contact .pc-support__card {
  padding: var(--pc-pad);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .pc-support__card h3 {
  font-size: 16px;
  color: var(--c-flood);
}

.page-contact .pc-support__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-sage);
}

.page-contact .pc-support__tail {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-sage);
  max-width: 74ch;
}

/* 备案与站点信息 */
.page-contact .pc-legal {
  padding: var(--pc-pad);
  display: grid;
  gap: 16px;
}

.page-contact .pc-legal__row {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .pc-legal__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-legal__key {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-sage);
}

.page-contact .pc-legal__val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-flood);
  overflow-wrap: anywhere;
}

.page-contact .pc-legal__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-sage);
  max-width: 74ch;
}

/* 响应式 */
@media (min-width: 700px) {
  .page-contact .pc-support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-legal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 32px;
  }

  .page-contact .pc-legal__row:nth-last-child(-n+1) {
    border-bottom: 1px solid var(--c-line);
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-step {
    grid-template-columns: 60px minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-contact .pc-step__title {
    grid-column: 2;
    margin-top: 0;
  }

  .page-contact .pc-step__body {
    grid-column: 3;
    margin-top: 0;
  }
}