.page-contact {
  --cn-edge: 1px;
  --cn-radius: 2px;
  --cn-shadow: 4px 4px 0 var(--paper-2);
  --cn-gap: 20px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.18;
}

.page-contact .sec-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--night);
  margin-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .cn-hero {
  padding-top: 28px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .cn-hero .crumb {
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-contact .cn-hero h1 {
  font-size: clamp(1.85rem, 6.4vw, 3rem);
  max-width: 20ch;
  margin: 10px 0 16px;
}

.page-contact .cn-hero .lead {
  max-width: 620px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .cn-hero__strip {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .cn-hero__strip li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 14px;
  border: 1px solid var(--ink);
  border-radius: var(--cn-radius);
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--paper-2);
}

.page-contact .cn-hero__k {
  font-size: 14px;
  color: var(--muted);
}

.page-contact .cn-hero__v {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--night);
}

/* ---------- 通用区块头 ---------- */
.page-contact .cn-head {
  margin-bottom: 26px;
}

.page-contact .cn-head h2 {
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  margin: 0 0 10px;
}

.page-contact .cn-head p {
  max-width: 620px;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .cn-label {
  margin: 22px 0 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- 渠道 ---------- */
.page-contact .cn-channels {
  padding-top: 42px;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .cn-chan-grid {
  display: grid;
  gap: var(--cn-gap);
}

.page-contact .cn-chan-list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .cn-chan {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 14px;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--cn-radius);
  box-shadow: 3px 3px 0 var(--paper-2);
  transition: transform var(--t-fast) linear, box-shadow var(--t-fast) linear,
    border-color var(--t-fast) linear;
}

.page-contact .cn-chan:hover {
  transform: translateY(-2px);
  box-shadow: 5px 6px 0 var(--paper-2);
}

.page-contact .cn-chan:focus-visible {
  outline: 3px solid var(--night-bright);
  outline-offset: 2px;
}

.page-contact .cn-chan[aria-selected="true"] {
  border-color: var(--turf-deep);
  box-shadow: 3px 3px 0 var(--turf);
}

.page-contact .cn-chan__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--night);
}

.page-contact .cn-chan__body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-contact .cn-chan__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
}

.page-contact .cn-chan__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
  word-break: break-word;
}

.page-contact .cn-panel {
  padding: 22px 18px;
  border: 1px solid var(--ink);
  border-radius: var(--cn-radius);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--paper-2);
}

.page-contact .cn-panel h3 {
  font-size: 1.15rem;
  margin: 0 0 10px;
}

.page-contact .cn-panel__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

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

.page-contact .cn-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .cn-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--turf-deep);
  background: var(--turf);
}

.page-contact .cn-list--tight li::before {
  border-color: var(--muted);
  background: var(--paper-2);
}

.page-contact .cn-mail,
.page-contact .cn-phone {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.2vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--night);
  word-break: break-all;
}

.page-contact .cn-phone {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-contact .cn-phone__time {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink);
  padding: 3px 8px;
  border: 1px solid var(--ref-yellow);
  border-radius: 2px;
  background: rgba(255, 210, 63, 0.28);
}

/* ---------- 流程 ---------- */
.page-contact .cn-flow {
  padding-top: 42px;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .cn-flow__grid {
  display: grid;
  gap: 28px;
}

.page-contact .cn-flow__figure {
  margin: 0;
}

.page-contact .cn-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .cn-step {
  position: relative;
  padding-left: 50px;
}

.page-contact .cn-step::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--paper);
  background: var(--night);
  border: 1px solid var(--night);
  border-radius: var(--cn-radius);
  z-index: 1;
}

.page-contact .cn-step::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: -26px;
  border-left: 1px dashed var(--rule);
}

.page-contact .cn-step:last-child::after {
  display: none;
}

.page-contact .cn-step h3 {
  font-size: 1.05rem;
  margin: 3px 0 6px;
}

.page-contact .cn-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 服务时段 ---------- */
.page-contact .cn-hours {
  padding-top: 42px;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .cn-hours__grid {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-contact .cn-hours__figure {
  margin: 0;
  background: linear-gradient(160deg, var(--night) 0%, var(--turf-deep) 100%);
  border: 1px solid var(--ink);
  border-radius: var(--cn-radius);
  padding: 14px;
  box-shadow: 6px 6px 0 var(--paper-2);
}

.page-contact .cn-hours__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .cn-hours__text h2 {
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  margin: 6px 0 12px;
}

.page-contact .cn-hours__text p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .cn-hours__dl {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .cn-hours__dl > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .cn-hours__dl dt {
  font-size: 14px;
  color: var(--muted);
}

.page-contact .cn-hours__dl dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--night);
  text-align: right;
}

/* ---------- 团队与备案 ---------- */
.page-contact .cn-office {
  padding-top: 42px;
  padding-bottom: 56px;
}

.page-contact .cn-office__grid {
  display: grid;
  gap: 14px;
}

.page-contact .cn-office__card {
  padding: 18px 16px;
}

.page-contact .cn-office__card .cn-label {
  margin-top: 0;
}

.page-contact .cn-office__addr,
.page-contact .cn-office__icp,
.page-contact .cn-office__team {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .cn-office__icp {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--night);
}

.page-contact .cn-office__team {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--night);
  display: grid;
  gap: 4px;
}

.page-contact .cn-office__team span {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .cn-office__foot {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 680px;
}

.page-contact .cn-office__foot a {
  color: var(--night-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .cn-office__foot a:hover {
  color: var(--turf-deep);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-contact {
    --cn-gap: 30px;
  }

  .page-contact .cn-hero {
    padding-top: 40px;
    padding-bottom: 44px;
  }

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

  .page-contact .cn-hero__strip li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-contact .cn-chan {
    padding: 18px 18px;
    gap: 16px;
  }

  .page-contact .cn-panel {
    padding: 28px 26px;
  }

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

  .page-contact .cn-hours__figure {
    padding: 18px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-contact .cn-channels,
  .page-contact .cn-flow,
  .page-contact .cn-hours {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .page-contact .cn-office {
    padding-top: 60px;
    padding-bottom: 80px;
  }

  .page-contact .cn-chan-grid {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .cn-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .cn-hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cn-chan {
    transition: none;
  }

  .page-contact .cn-chan:hover {
    transform: none;
  }
}