/* =========================================================
   数据纠错与反馈  ·  /feedback/  ·  page-contact
   ========================================================= */

.page-contact {
  --ct-hair: var(--c-line);
  --ct-radius: 14px;
  --ct-accent: var(--c-yellow);
  padding-bottom: 96px;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  margin: 0 0 30px;
}

/* ---------- 引言 ---------- */
.page-contact .ct-intro {
  margin: 0 0 44px;
}

.page-contact .ct-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--c-ink-2);
}

.page-contact .ct-kicker::before {
  content: "";
  flex: none;
  width: 40px;
  height: 1px;
  background: var(--ct-hair);
}

.page-contact .ct-title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 9.5vw, 90px);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--c-ink);
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-ink-2);
}

.page-contact .ct-lede::first-line {
  color: var(--c-ink);
}

/* ---------- 顶部氛围图 ---------- */
.page-contact .ct-banner {
  position: relative;
  margin: 0 0 60px;
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: var(--c-deep);
}

.page-contact .ct-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(.78) contrast(1.08) brightness(.9);
}

.page-contact .ct-banner__cap {
  position: absolute;
  inset: auto 0 0 0;
  margin: 0;
  padding: 40px 24px 18px;
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: .03em;
  color: var(--c-ink);
  background: linear-gradient(to top, rgba(6, 11, 26, .94), rgba(6, 11, 26, 0));
}

/* ---------- 两栏骨架 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: 56px;
  margin-bottom: 84px;
}

.page-contact .ct-main-col,
.page-contact .ct-side-col {
  min-width: 0;
}

/* ---------- 通用标题工具 ---------- */
.page-contact .ct-tag {
  display: block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-yellow);
}

.page-contact .ct-h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-contact .ct-h2--quiet {
  font-size: clamp(20px, 3.4vw, 26px);
  color: var(--c-ink-2);
  font-weight: 600;
}

.page-contact .ct-copy {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-ink-2);
}

.page-contact .ct-meta {
  margin: 0 0 32px;
  max-width: 34em;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--c-ink-2);
}

/* ---------- 字段清单 ---------- */
.page-contact .ct-fields {
  margin-bottom: 64px;
}

.page-contact .ct-fields__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-field {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 19px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-field__no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-ink-2);
}

.page-contact .ct-field__body {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-contact .ct-field__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-ink);
}

.page-contact .ct-field__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-ink-2);
}

/* ---------- 邮件模板 ---------- */
.page-contact .ct-template {
  margin-bottom: 8px;
}

.page-contact .ct-code {
  margin: 0 0 16px;
  padding: 22px 20px 22px 24px;
  background: var(--c-panel);
  border-left: 2px solid var(--c-yellow);
  border-radius: 0 12px 12px 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--c-ink);
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
  -webkit-overflow-scrolling: touch;
}

.page-contact .ct-code code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  white-space: pre;
}

.page-contact .ct-template__fig {
  margin: 36px 0 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: var(--c-deep);
}

.page-contact .ct-template__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.7) contrast(1.05) brightness(.9);
}

.page-contact .ct-template__fig figcaption {
  padding: 14px 18px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--c-ink-2);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .ct-channels {
  margin-bottom: 60px;
}

.page-contact .ct-channel {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-channel:last-of-type {
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-channel__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ink-2);
}

.page-contact .ct-channel__body {
  min-width: 0;
}

.page-contact .ct-channel__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-ink);
}

.page-contact .ct-channel__value {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--c-yellow);
  word-break: break-all;
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-ink-2);
}

/* ---------- 四段时间轴 ---------- */
.page-contact .ct-flow {
  margin-bottom: 8px;
}

.page-contact .ct-flow__list {
  position: relative;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-contact .ct-flow__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--ct-hair);
}

.page-contact .ct-step {
  position: relative;
  padding: 0 0 26px 26px;
}

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

.page-contact .ct-step__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1.5px solid var(--ct-hair);
  background: var(--c-void);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-step:hover .ct-step__dot {
  border-color: var(--c-yellow);
  background: var(--c-yellow);
}

.page-contact .ct-step__no {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--c-ink-2);
}

.page-contact .ct-step__name {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--c-ink);
}

.page-contact .ct-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-ink-2);
}

.page-contact .ct-flow__foot {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--ct-hair);
  font-size: 13px;
  line-height: 1.72;
  color: var(--c-ink-2);
}

/* ---------- 其他事由 ---------- */
.page-contact .ct-other {
  margin-bottom: 80px;
}

.page-contact .ct-other__grid {
  display: grid;
  gap: 1px;
  background: var(--ct-hair);
  border-top: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-ask {
  position: relative;
  padding: 26px 0 24px;
  background: var(--c-void);
}

.page-contact .ct-ask__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-ink-2);
}

.page-contact .ct-ask__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--c-ink);
}

.page-contact .ct-ask__desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-ink-2);
}

.page-contact .ct-ask__link {
  margin: 0;
  font-size: 13px;
  letter-spacing: .02em;
}

.page-contact .ct-ask__link a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-hair);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .ct-ask__link a:hover,
.page-contact .ct-ask__link a:focus-visible {
  color: var(--c-yellow);
  border-bottom-color: var(--c-yellow);
}

/* ---------- 站点信息 ---------- */
.page-contact .ct-site {
  padding-top: 4px;
}

.page-contact .ct-site__list {
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-site__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-site__row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-ink-2);
}

.page-contact .ct-site__row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink-2);
  word-break: break-word;
}

.page-contact .ct-site__note {
  margin: 0;
  max-width: 40em;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--c-ink-2);
  opacity: .82;
}

.page-contact .ct-site__note a {
  color: var(--c-ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-site__note a:hover,
.page-contact .ct-site__note a:focus-visible {
  color: var(--c-yellow);
  border-bottom-color: var(--c-yellow);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-field__body {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 8px 22px;
    align-items: baseline;
  }

  .page-contact .ct-site__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .ct-banner__cap {
    padding: 56px 32px 22px;
  }
}

@media (min-width: 960px) {
  .page-contact {
    padding-bottom: 128px;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 0 64px;
    align-items: start;
  }

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

  .page-contact .ct-ask {
    padding: 30px 28px 28px 0;
  }

  .page-contact .ct-ask + .ct-ask {
    padding-left: 28px;
  }

  .page-contact .ct-site {
    padding-top: 24px;
  }
}

@media (min-width: 1200px) {
  .page-contact .ct-split {
    gap: 0 80px;
  }

  .page-contact .ct-other__grid {
    gap: 1px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-step__dot,
  .page-contact .ct-ask__link a,
  .page-contact .ct-site__note a {
    transition: none;
  }
}