.page-contact {
  --ct-pad: clamp(20px, 4vw, 48px);
  --ct-gap: clamp(20px, 3vw, 40px);
  background: var(--paper);
  color: var(--ink);
}

.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-contact .breadcrumb {
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: .02em;
}

.page-contact .ct-section {
  padding-top: clamp(40px, 7vw, 88px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-contact .ct-section--steel {
  background: var(--steel-100);
}

.page-contact .section__title {
  margin: 6px 0 0;
}

/* ---------- 首屏框景 ---------- */
.ct-hero {
  padding-top: clamp(18px, 3vw, 36px);
}

.ct-hero__panel {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-2);
  box-shadow: var(--shadow-1);
  padding: var(--ct-pad);
  display: grid;
  gap: var(--ct-gap);
}

.ct-hero__panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  background:
    linear-gradient(var(--blue), var(--blue)) left top / 22px 2px no-repeat,
    linear-gradient(var(--blue), var(--blue)) left top / 2px 22px no-repeat,
    linear-gradient(var(--blue), var(--blue)) right bottom / 22px 2px no-repeat,
    linear-gradient(var(--blue), var(--blue)) right bottom / 2px 22px no-repeat;
}

.ct-hero__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.ct-hero__title {
  margin: 0;
  letter-spacing: -.01em;
  max-width: 22ch;
}

.ct-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--steel-700);
}

.ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.ct-hero__aside {
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.ct-hero__aside-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--steel-500);
  line-height: 1.6;
}

.ct-hero__key {
  font-size: 20px;
  font-weight: 700;
  color: var(--hot);
  min-width: 6.2em;
  letter-spacing: -.01em;
}

/* ---------- 联系通道 ---------- */
.ct-channels {
  margin-top: clamp(24px, 3.5vw, 40px);
  display: grid;
  gap: 14px;
}

.ct-channels__side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.ct-channel {
  position: relative;
  padding: 30px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ct-channel__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel-700);
  max-width: 40ch;
}

.ct-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 7.5vw, 54px);
  line-height: 1.06;
  letter-spacing: -.03em;
  word-break: break-all;
}

.ct-channel__value--mail {
  font-size: clamp(17px, 3.6vw, 24px);
  letter-spacing: -.01em;
}

.ct-channel__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: auto;
  padding-top: 8px;
}

.ct-channel__meta {
  font-size: 13px;
  color: var(--steel-500);
}

.ct-channel--phone .ct-channel__value {
  color: var(--white);
}

.ct-channel--phone .ct-channel__hint,
.ct-channel--phone .ct-channel__meta {
  color: var(--dark-muted);
}

/* 落款标签块 */
.ct-stamp {
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-2);
  background: var(--paper);
  padding: 18px 20px;
  display: grid;
  gap: 10px;
}

.ct-stamp__row {
  display: grid;
  grid-template-columns: 5.2em 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
}

.ct-stamp__k {
  color: var(--steel-500);
  font-size: 13px;
}

.ct-stamp__v {
  color: var(--ink);
  font-weight: 500;
  line-height: 1.7;
}

.ct-stamp__note {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--steel-500);
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

/* ---------- 报修准备清单 ---------- */
.ct-prep__head {
  max-width: 62ch;
}

.ct-prep__intro {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel-700);
}

.ct-prep {
  list-style: none;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.ct-check__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  padding: 18px 18px 18px 16px;
  transition: border-color 180ms ease;
}

.ct-check__item:hover {
  border-color: var(--blue);
}

.ct-check__box {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  margin: 2px 0 0;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-1);
  background: var(--paper);
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.ct-check__box:checked {
  background: var(--blue);
  border-color: var(--blue);
}

.ct-check__box:checked::after {
  content: "";
  width: 10px;
  height: 5px;
  border-left: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(-45deg) translateY(-1px);
}

.ct-check__box:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 2px;
}

.ct-check__label {
  display: flex;
  gap: 12px;
  cursor: pointer;
  flex: 1 1 auto;
}

.ct-check__no {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 3px;
}

.ct-check__body {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel-700);
  transition: color 180ms ease;
}

.ct-check__body strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}

.ct-check__box:checked ~ .ct-check__label .ct-check__body {
  color: var(--steel-500);
}

/* ---------- 响应节奏 ---------- */
.ct-resp {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.ct-resp__big {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(58px, 17vw, 118px);
  line-height: .88;
  letter-spacing: -.05em;
  color: var(--hot);
}

.ct-resp__big span {
  display: inline-block;
  margin-left: 10px;
  font-family: var(--font-body);
  font-size: .2em;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
  vertical-align: middle;
}

.ct-resp__text {
  margin: 18px 0 0;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--steel-700);
}

.ct-resp__cap {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel-500);
}

.ct-clock {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 3px;
}

.ct-clock__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: center;
  padding: 9px 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-1);
  color: var(--steel-500);
  background: repeating-linear-gradient(
    135deg,
    var(--steel-100) 0 4px,
    var(--white) 4px 8px
  );
  cursor: help;
  transition: background-color 180ms ease, color 180ms ease;
}

.ct-clock__cell--open {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  font-weight: 700;
}

.ct-clock__cell--open:hover {
  background: var(--blue);
  border-color: var(--blue);
}

.ct-legend {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.ct-legend__item {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-500);
}

.ct-legend__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45em;
  width: 12px;
  height: 12px;
  border-radius: var(--r-1);
  background: repeating-linear-gradient(135deg, var(--steel-100) 0 3px, var(--white) 3px 6px);
  border: 1px solid var(--line-soft);
}

.ct-legend__item--open::before {
  background: var(--navy);
  border-color: var(--navy);
}

/* ---------- 取送安排 ---------- */
.ct-pick {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  gap: 22px;
}

.ct-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  overflow: hidden;
  background: var(--ink);
}

.ct-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06);
}

.ct-media figcaption {
  background: var(--white);
  border-top: 1px solid var(--line-soft);
  padding: 11px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel-500);
}

.ct-route {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.ct-route__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.ct-route__when {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--hot);
}

.ct-route__what {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel-700);
  max-width: 46ch;
}

/* ---------- 企业合作 ---------- */
.ct-enterprise {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.ct-enterprise::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
}

.ct-enterprise .container {
  position: relative;
  z-index: 1;
}

.ct-ent__grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 44px);
}

.ct-ent__lead h2 {
  margin: 8px 0 0;
  color: var(--paper);
}

.ct-ent__text {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--dark-muted);
}

.ct-ent__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.ct-metrics {
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-2);
  overflow: hidden;
}

.ct-metric {
  background: var(--navy);
  padding: 18px 18px 16px;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: 4px 6px;
}

.ct-metric__v {
  font-family: var(--font-mono);
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--white);
}

.ct-metric__u {
  font-size: 13px;
  color: var(--cyan);
}

.ct-metric__l {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dark-muted);
}

.ct-ent__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--dark-muted);
}

/* ---------- 收尾 ---------- */
.ct-tail__panel {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-2);
  padding: var(--ct-pad);
}

.ct-tail__intro {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel-700);
}

.ct-links {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.ct-links__item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.ct-links__item a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--blue);
  transition: transform 180ms ease;
}

.ct-links__item a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.ct-links__item a:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 2px;
}

.ct-links__item a:hover::after {
  transform: translateX(4px);
}

.ct-media--wide img {
  aspect-ratio: 8 / 3;
}

/* ---------- 响应式 ---------- */
@media (max-width: 419px) {
  .ct-stamp__row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .ct-check__label {
    gap: 8px;
  }
}

@media (min-width: 760px) {
  .ct-channels {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

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

  .ct-clock {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .ct-route__item {
    grid-template-columns: 10em 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .ct-pick {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .ct-hero__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .ct-hero__aside {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 28px;
    height: 100%;
  }

  .ct-resp {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .ct-ent__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .ct-tail__panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .ct-clock {
    grid-template-columns: repeat(24, minmax(0, 1fr));
  }

  .ct-pick {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 1ms !important;
  }

  .ct-links__item a:hover::after {
    transform: none;
  }
}