.page-contact {
  --ct-rule: rgba(232, 238, 245, 0.14);
  --ct-gap: 18px;
  --ct-radius: 3px;
  color: var(--db-text);
  font-family: var(--db-sans);
  padding-block: 34px 70px;
}

.page-contact .ct-intro {
  display: grid;
  gap: 10px;
  max-width: 760px;
  padding-bottom: 26px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--db-hairline);
}

.page-contact .ct-intro__title {
  margin: 0;
  font-size: clamp(25px, 6vw, 40px);
  line-height: 1.26;
  letter-spacing: 0.02em;
  font-weight: 900;
  color: var(--db-text);
}

.page-contact .ct-intro__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--db-text-soft);
}

.page-contact .ct-board {
  display: grid;
  gap: 32px;
}

.page-contact .ct-col {
  display: grid;
  gap: var(--ct-gap);
  min-width: 0;
  align-content: start;
}

.page-contact .ct-h2 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  font-weight: 900;
  color: var(--db-text);
}

.page-contact .ct-note {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--db-muted);
}

/* 问题类型选择 */
.page-contact .ct-picker {
  padding: 20px 18px;
  background: linear-gradient(152deg, var(--db-ink-700) 0%, var(--db-ink-800) 100%);
  border: 1px solid var(--db-hairline);
  border-radius: var(--ct-radius);
  box-shadow: var(--db-shadow-1);
}

.page-contact .db-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  border: 0;
}

.page-contact .db-tabs__tab {
  appearance: none;
  cursor: pointer;
  padding: 8px 12px;
  font-family: var(--db-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--db-muted);
  background: rgba(232, 238, 245, 0.04);
  border: 1px solid var(--db-hairline);
  border-radius: var(--ct-radius);
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-contact .db-tabs__tab:hover,
.page-contact .db-tabs__tab:focus-visible {
  color: var(--db-text);
  border-color: var(--db-copper-300);
  outline: none;
}

.page-contact .db-tabs__tab[aria-selected="true"],
.page-contact .db-tabs__tab.is-active {
  color: var(--db-ink-900);
  background: var(--db-copper-500);
  border-color: var(--db-copper-500);
  font-weight: 700;
}

.page-contact .db-tabs__panel {
  padding: 0;
}

.page-contact .db-tabs__panel[hidden] {
  display: none;
}

.page-contact .ct-pick__lead {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--db-text);
}

.page-contact .ct-pick__lead strong {
  color: var(--db-cyan-400);
  font-weight: 700;
}

.page-contact .ct-pick__body {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--db-text-soft);
}

.page-contact .ct-flowimg {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--db-hairline-soft);
}

.page-contact .ct-flowimg img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--db-hairline);
  border-radius: var(--ct-radius);
  background: var(--db-ink-900);
}

.page-contact .ct-flowimg__cap {
  margin: 8px 0 0;
  font-family: var(--db-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--db-muted);
}

/* 渠道卡片：错层收窄 */
.page-contact .ct-channel {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: var(--db-ink-800);
  border: 1px solid var(--db-hairline);
  border-radius: var(--ct-radius);
  box-shadow: var(--db-shadow-1);
  overflow: hidden;
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--db-copper-500);
}

.page-contact .ct-channel--phone::before {
  background: var(--db-cyan-400);
}

.page-contact .ct-channel--addr::before {
  background: var(--db-muted);
}

.page-contact .ct-channel__tag {
  margin: 0 0 8px;
  font-family: var(--db-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--db-muted);
}

.page-contact .ct-channel__title {
  margin: 0 0 12px;
  font-size: 17px;
  line-height: 1.45;
  letter-spacing: 0.015em;
  font-weight: 700;
  color: var(--db-text);
}

.page-contact .ct-channel__value {
  margin: 0 0 12px;
  font-family: var(--db-mono);
  font-size: clamp(15px, 4vw, 20px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--db-copper-300);
  word-break: break-all;
}

.page-contact .ct-channel--phone .ct-channel__value {
  color: var(--db-cyan-400);
}

.page-contact .ct-channel--addr .ct-channel__value--addr {
  font-family: var(--db-sans);
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--db-text);
  word-break: break-word;
}

.page-contact .ct-channel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .ct-channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--db-text-soft);
}

.page-contact .ct-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  background: var(--db-copper-300);
}

.page-contact .ct-channel--phone .ct-channel__list li::before {
  background: var(--db-cyan-400);
}

.page-contact .ct-channel--addr .ct-channel__list li::before {
  background: var(--db-muted);
}

/* 提问模板 */
.page-contact .ct-sheet {
  padding: 20px 18px 22px;
  background: var(--db-ink-800);
  border: 1px solid var(--db-hairline);
  border-radius: var(--ct-radius);
  box-shadow: var(--db-shadow-2);
}

.page-contact .ct-sheet__media {
  margin: 0 0 18px;
}

.page-contact .ct-sheet__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--db-hairline);
  border-radius: var(--ct-radius);
  background: var(--db-ink-900);
}

.page-contact .ct-fields {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-field {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-rule);
}

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

.page-contact .ct-field__num {
  font-family: var(--db-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--db-copper-300);
  padding-top: 2px;
}

.page-contact .ct-field__name {
  margin: 0 0 3px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--db-text);
}

.page-contact .ct-field__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--db-muted);
}

/* 写作区 */
.page-contact .ct-compose {
  padding: 20px 18px 22px;
  background: linear-gradient(165deg, rgba(23, 41, 63, 0.94), rgba(10, 21, 38, 0.94));
  border: 1px solid var(--db-hairline);
  border-left: 3px solid var(--db-copper-500);
  border-radius: var(--ct-radius);
}

.page-contact .ct-slate {
  display: grid;
  gap: 2px;
  margin: 14px 0 16px;
  padding: 14px 14px 8px;
  background: rgba(10, 21, 38, 0.74);
  border: 1px solid var(--db-hairline-soft);
  border-radius: var(--ct-radius);
}

.page-contact .ct-slate__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  margin: 0;
  padding: 0 0 8px;
  border-bottom: 1px dashed var(--ct-rule);
}

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

.page-contact .ct-slate__key {
  font-family: var(--db-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--db-cyan-400);
}

.page-contact .ct-slate__fill {
  font-size: 13px;
  line-height: 1.68;
  color: var(--db-text-soft);
  word-break: break-word;
}

.page-contact .ct-compose__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--db-text-soft);
}

/* 相关入口 */
.page-contact .ct-more {
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--db-hairline);
}

.page-contact .ct-more__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .ct-more__list a {
  display: block;
  padding: 11px 13px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--db-text-soft);
  text-decoration: none;
  border: 1px solid var(--db-hairline);
  border-radius: var(--ct-radius);
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-contact .ct-more__list a:hover,
.page-contact .ct-more__list a:focus-visible {
  color: var(--db-cyan-400);
  border-color: var(--db-cyan-400);
  background: rgba(53, 211, 209, 0.06);
  outline: none;
}

@media (min-width: 720px) {
  .page-contact {
    padding-block: 46px 88px;
  }

  .page-contact .ct-picker,
  .page-contact .ct-sheet,
  .page-contact .ct-compose {
    padding: 24px 24px 26px;
  }

  .page-contact .ct-channel {
    padding: 22px 24px 22px 28px;
  }

  .page-contact .ct-channel:nth-of-type(2) {
    width: 92%;
  }

  .page-contact .ct-channel:nth-of-type(3) {
    width: 84%;
  }

  .page-contact .ct-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-board {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 46px;
    align-items: start;
  }

  .page-contact .ct-col--side {
    padding-top: 54px;
  }

  .page-contact .ct-channel:nth-of-type(2) {
    width: 90%;
  }

  .page-contact .ct-channel:nth-of-type(3) {
    width: 80%;
  }
}
</main>