.page-contact {
  --ct-ink-soft: #4a5a6d;
  --ct-hair: rgba(11, 27, 43, .12);
  background: var(--paper);
  color: var(--text-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(22px, 4vw, 44px) clamp(38px, 6.5vw, 80px);
  background:
    radial-gradient(circle at 84% 14%, rgba(46, 196, 182, .14), transparent 52%),
    radial-gradient(circle at 8% 92%, rgba(230, 57, 70, .16), transparent 58%),
    var(--ink-navy);
  color: var(--text-inverse);
  border-bottom: 1px solid var(--navy-line);
}

.page-contact .ct-hero .bw-breadcrumb,
.page-contact .ct-hero .bw-breadcrumb a {
  color: var(--text-muted-dark);
}

.page-contact .ct-hero__head {
  margin-top: clamp(20px, 3.2vw, 34px);
}

.page-contact .ct-hero__title {
  margin-top: 12px;
  max-width: 15ch;
  letter-spacing: -.025em;
  line-height: 1.08;
}

.page-contact .ct-hero__lead {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 60ch;
  color: var(--text-muted-dark);
  line-height: 1.78;
}

/* 联络信息展板 */
.page-contact .ct-board {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(26px, 4vw, 46px);
  padding: clamp(20px, 3vw, 36px);
  background: var(--navy-raised);
  border: 1px solid var(--navy-line);
  border-radius: var(--bw-radius);
  box-shadow: var(--bw-shadow-island);
}

.page-contact .ct-board__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--aqua-live);
}

.page-contact .ct-board__mail {
  display: inline-block;
  margin-top: 12px;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.6vw, 38px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.24;
  color: var(--text-inverse);
  text-decoration: underline;
  text-decoration-color: var(--brand-red);
  text-decoration-thickness: 3px;
  text-underline-offset: 9px;
  overflow-wrap: anywhere;
  transition: color .18s var(--bw-ease), text-decoration-color .18s var(--bw-ease);
}

.page-contact .ct-board__mail:hover,
.page-contact .ct-board__mail:focus-visible {
  color: #ffffff;
  text-decoration-color: var(--aqua-live);
}

.page-contact .ct-board__hint {
  margin-top: clamp(16px, 2.4vw, 22px);
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted-dark);
}

.page-contact .ct-board__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--navy-line);
}

.page-contact .ct-board__status-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}

.page-contact .ct-board__status-v {
  font-size: 15px;
  font-weight: 700;
  color: var(--aqua-live);
}

.page-contact .ct-board__meta {
  display: grid;
  gap: 14px;
  margin: 16px 0 0;
}

.page-contact .ct-board__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
}

.page-contact .ct-board__meta dd {
  margin: 5px 0 0;
  line-height: 1.65;
  color: var(--text-inverse);
  overflow-wrap: anywhere;
}

.page-contact .ct-board__tel {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}

/* 状态点 */
.page-contact .ct-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--aqua-live);
  box-shadow: 0 0 0 4px rgba(46, 196, 182, .18);
  animation: ct-contact-breathe 2.4s ease-in-out infinite;
}

.page-contact .ct-dot--sm {
  width: 8px;
  height: 8px;
  box-shadow: 0 0 0 3px rgba(46, 196, 182, .16);
}

@keyframes ct-contact-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: .38; }
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--paper);
}

.page-contact .ct-head {
  max-width: 62ch;
}

.page-contact .ct-head__lead {
  margin-top: 14px;
  color: var(--ct-ink-soft);
  line-height: 1.78;
}

.page-contact .ct-channels__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: #ffffff;
  border: 1px solid var(--paper-deep);
  border-radius: var(--bw-radius);
  transition: transform .22s var(--bw-ease), border-color .22s var(--bw-ease);
}

.page-contact .ct-card:hover {
  border-color: rgba(230, 57, 70, .35);
  transform: translateY(-3px);
}

.page-contact .ct-card__title {
  font-size: var(--bw-fs-h3);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.25;
}

.page-contact .ct-card__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-card__value {
  margin-top: auto;
  padding-top: 12px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-navy);
  overflow-wrap: anywhere;
}

.page-contact .ct-card--mail {
  border-top: 3px solid var(--brand-red);
}

.page-contact .ct-card--mail .ct-card__value {
  color: var(--brand-red-deep);
  font-size: clamp(15px, 1.6vw, 17px);
}

.page-contact .ct-card__value--text {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--ink-navy);
}

.page-contact .ct-channels__fig {
  margin-top: clamp(28px, 4.4vw, 48px);
}

.page-contact .ct-channels__fig .bw-figure__caption,
.page-contact .ct-city .bw-figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

/* ---------- 按诉求找渠道 ---------- */
.page-contact .ct-ask {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--paper-deep);
}

.page-contact .ct-ask__list {
  list-style: none;
  margin: clamp(22px, 3.2vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--ct-hair);
  counter-reset: none;
}

.page-contact .ct-ask__row {
  display: grid;
  gap: 6px 16px;
  padding-block: 18px;
  border-bottom: 1px solid var(--ct-hair);
  transition: background-color .18s var(--bw-ease);
}

.page-contact .ct-ask__row:hover {
  background: rgba(230, 57, 70, .06);
}

.page-contact .ct-ask__no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--brand-red);
}

.page-contact .ct-ask__case {
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-navy);
}

.page-contact .ct-ask__way {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

/* ---------- 邮件标题写法 ---------- */
.page-contact .ct-writing {
  padding-block: clamp(42px, 6.4vw, 82px);
  background: var(--ink-navy);
  color: var(--text-inverse);
}

.page-contact .ct-head--dark {
  max-width: 64ch;
}

.page-contact .ct-writing__title {
  margin-top: 12px;
  letter-spacing: -.02em;
  line-height: 1.16;
}

.page-contact .ct-writing__lead {
  margin-top: 16px;
  color: var(--text-muted-dark);
  line-height: 1.78;
}

.page-contact .ct-writing__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .ct-formula {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--navy-raised);
  border: 1px solid var(--navy-line);
  border-radius: var(--bw-radius);
}

.page-contact .ct-formula__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--aqua-live);
}

.page-contact .ct-formula__main {
  margin-top: 14px;
  font-size: clamp(16px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--text-inverse);
  overflow-wrap: anywhere;
}

.page-contact .ct-formula__eg {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--navy-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted-dark);
  overflow-wrap: anywhere;
}

.page-contact .ct-writing__h3 {
  font-size: var(--bw-fs-h3);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ct-ink-soft);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--brand-red);
}

.page-contact .ct-checklist--dark li {
  color: rgba(242, 246, 250, .84);
}

.page-contact .ct-checklist--dark li::before {
  background: var(--aqua-live);
}

/* ---------- 响应时效 ---------- */
.page-contact .ct-response {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--paper);
}

.page-contact .ct-response__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .ct-response__p {
  margin-top: 16px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-clock {
  padding: clamp(20px, 3vw, 32px);
  background: #ffffff;
  border: 1px solid var(--paper-deep);
  border-left: 4px solid var(--aqua-live);
  border-radius: var(--bw-radius);
  box-shadow: 0 20px 44px -34px rgba(11, 27, 43, .55);
}

.page-contact .ct-clock__k {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ct-ink-soft);
}

.page-contact .ct-clock__v {
  margin-top: 6px;
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.1;
  color: var(--ink-navy);
}

.page-contact .ct-clock__note {
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ct-ink-soft);
}

/* ---------- 合作资料清单 ---------- */
.page-contact .ct-partner {
  padding-block: clamp(38px, 6vw, 76px) clamp(20px, 3vw, 32px);
  background: var(--paper-deep);
}

.page-contact .ct-partner__plate {
  position: relative;
  padding: clamp(22px, 3.4vw, 42px);
  background: #ffffff;
  border: 1px solid rgba(11, 27, 43, .14);
  border-radius: var(--bw-radius);
}

.page-contact .ct-partner__plate .ct-dot--sm {
  position: absolute;
  top: clamp(20px, 3vw, 30px);
  right: clamp(20px, 3vw, 30px);
}

.page-contact .ct-partner__plate .bw-title--sm {
  padding-right: 32px;
  line-height: 1.24;
}

.page-contact .ct-partner__lead {
  margin-top: 14px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-partner__note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--ct-hair);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

/* ---------- 服务地区 ---------- */
.page-contact .ct-city {
  padding-block: clamp(20px, 3vw, 32px) clamp(40px, 6vw, 76px);
  background: var(--paper-deep);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 780px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 18px;
  }

  .page-contact .ct-card--phone {
    margin-top: 34px;
  }

  .page-contact .ct-card--addr {
    margin-top: 68px;
  }

  .page-contact .ct-ask__row {
    grid-template-columns: 60px minmax(0, 1fr) minmax(0, 1.3fr);
    align-items: baseline;
    column-gap: 26px;
    padding-block: 20px;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-board {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-board__side {
    padding-left: clamp(20px, 2.6vw, 34px);
    border-left: 1px solid var(--navy-line);
  }

  .page-contact .ct-writing__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
    gap: clamp(24px, 3.4vw, 44px);
  }

  .page-contact .ct-response__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-channels__grid {
    gap: 22px;
  }

  .page-contact .ct-ask__row {
    column-gap: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dot {
    animation: none;
  }

  .page-contact .ct-card,
  .page-contact .ct-ask__row,
  .page-contact .ct-board__mail {
    transition: none;
  }

  .page-contact .ct-card:hover {
    transform: none;
  }
}