.page-contact {
  color: var(--mist);
  padding-bottom: 40px;
}

.page-contact .lead {
  max-width: 40em;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: 26px;
  padding: 28px 0 8px;
}

.page-contact .pc-hero__main h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 10px 0 16px;
  max-width: 16em;
}

.page-contact .pc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .pc-hero__aside {
  border-radius: 16px;
  padding: 20px 20px 8px;
}

.page-contact .pc-stats {
  margin: 12px 0 0;
}

.page-contact .pc-stats__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-stats__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-stats__row dt {
  color: var(--quiet);
  font-size: var(--fs-note);
}

.page-contact .pc-stats__row dd {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-note);
  letter-spacing: 0.06em;
}

/* ---------- 通用章节 ---------- */
.page-contact .sect {
  padding: clamp(38px, 6vw, 68px) 0;
}

.page-contact .sect__head {
  margin-bottom: 26px;
}

.page-contact .sect__title {
  margin: 8px 0 10px;
}

.page-contact .sect__sum {
  max-width: 46em;
  color: var(--quiet);
}

.page-contact .note a,
.page-contact .pc-kv a,
.page-contact .pc-end a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 158, 134, 0.5);
}

.page-contact .note a:hover,
.page-contact .pc-kv a:hover,
.page-contact .pc-end a:hover {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- 渠道清单 ---------- */
.page-contact .pc-chan {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-chan__item {
  background: var(--solid);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: 14px;
  padding: 18px 18px 18px 20px;
  transition: border-left-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .pc-chan__item:hover,
.page-contact .pc-chan__item:focus-within {
  border-left-color: var(--pulse);
  transform: translateX(4px);
}

.page-contact .pc-chan__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .pc-chan__name {
  font-size: var(--fs-sub);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact .pc-chan__val {
  margin: 10px 0 8px;
  color: var(--mist);
  font-size: var(--fs-note);
  letter-spacing: 0.06em;
  word-break: break-word;
}

.page-contact .pc-chan__fit {
  margin: 0;
  color: var(--quiet);
  font-size: var(--fs-note);
  line-height: 1.7;
  max-width: 60em;
  transition: color 240ms var(--ease);
}

.page-contact .pc-chan__item:hover .pc-chan__fit,
.page-contact .pc-chan__item:focus-within .pc-chan__fit {
  color: var(--mist);
}

/* ---------- 反馈流程 ---------- */
.page-contact .pc-flow {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 112, 143, 0.20), rgba(6, 26, 36, 0.72));
}

.page-contact .pc-flow__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.14;
  z-index: 0;
}

.page-contact .pc-flow__inner {
  position: relative;
  z-index: 1;
}

.page-contact .pc-steps {
  display: grid;
  gap: 0;
}

.page-contact .pc-step {
  position: relative;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  height: 100%;
  width: 1px;
  background: var(--line);
}

.page-contact .pc-step:first-child::before {
  top: 50%;
}

.page-contact .pc-step:last-child::before {
  height: 50%;
}

.page-contact .pc-step__sum {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 0 14px 44px;
  cursor: pointer;
  list-style: none;
}

.page-contact .pc-step__sum::-webkit-details-marker {
  display: none;
}

.page-contact .pc-step__sum::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 50%;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--blue);
  background: var(--ink);
  transform: translateY(-50%);
  transition: background 240ms var(--ease), border-color 240ms var(--ease);
}

.page-contact .pc-step[open] .pc-step__sum::before {
  background: var(--pulse);
  border-color: var(--pulse);
}

.page-contact .pc-step__sum:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: 2px;
  border-radius: 6px;
}

.page-contact .pc-step__idx {
  color: var(--blue);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
}

.page-contact .pc-step__name {
  font-size: var(--fs-body);
  font-weight: 700;
}

.page-contact .pc-step__eta {
  margin-left: auto;
  color: var(--quiet);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}

.page-contact .pc-step__body {
  padding: 0 0 18px 44px;
  color: var(--mist);
  opacity: 0.86;
}

.page-contact .pc-step__body p {
  margin: 0;
  max-width: 52em;
  font-size: var(--fs-note);
  line-height: 1.75;
}

.page-contact .pc-flow__note {
  margin-top: 22px;
  max-width: 52em;
}

/* ---------- 记录导出 ---------- */
.page-contact .pc-export {
  display: grid;
  gap: 24px;
}

.page-contact .pc-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 14px;
}

.page-contact .pc-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
}

.page-contact .pc-badge--csv {
  color: var(--mist);
  background: rgba(20, 112, 143, 0.30);
  border: 1px solid var(--blue);
}

.page-contact .pc-badge--sheet {
  color: var(--mist);
  background: rgba(46, 158, 134, 0.22);
  border: 1px solid var(--lake);
}

.page-contact .pc-kv {
  border-radius: 16px;
  padding: 8px 20px;
}

.page-contact .pc-kv__row {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-kv__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-kv__row dt {
  color: var(--quiet);
  font-size: var(--fs-note);
  margin-bottom: 6px;
}

.page-contact .pc-kv__row dd {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  max-width: 44em;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .pc-partner__grid {
  display: grid;
  gap: 16px;
}

.page-contact .pc-partner__card {
  background: var(--solid);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  border-top: 2px solid var(--blue);
}

.page-contact .pc-partner__card h3 {
  margin: 0 0 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .pc-partner__card p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--quiet);
}

.page-contact .pc-partner__num {
  color: var(--lake);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  margin-bottom: 8px !important;
}

.page-contact .pc-partner__prep {
  margin-top: 24px;
  border-radius: 14px;
  padding: 20px;
}

.page-contact .pc-prep {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-prep li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-note);
  line-height: 1.7;
}

.page-contact .pc-prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--blue);
  transform: rotate(45deg);
}

.page-contact .pc-partner__prep .note {
  margin-bottom: 0;
}

/* ---------- 到访地址 ---------- */
.page-contact .pc-visit {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-contact .pc-visit__panel {
  background: var(--glass);
  border: 1px solid rgba(195, 205, 214, 0.42);
  border-radius: 16px;
  padding: 24px 20px;
  backdrop-filter: blur(6px);
}

.page-contact .pc-visit__addr {
  display: block;
  margin: 14px 0 16px;
  color: var(--mist);
  font-size: 1.0625rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  word-break: break-word;
  border-left: 3px solid var(--pulse);
  padding-left: 14px;
}

.page-contact .pc-visit__panel p {
  font-size: var(--fs-note);
  line-height: 1.8;
  color: var(--quiet);
  max-width: 40em;
}

.page-contact .pc-visit__figure {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .pc-visit__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-check__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-check__num {
  color: var(--blue);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.page-contact .pc-check__title {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: var(--fs-body);
}

.page-contact .pc-check__desc {
  margin: 0;
  color: var(--quiet);
  font-size: var(--fs-note);
  line-height: 1.7;
}

.page-contact .pc-end {
  margin-top: 24px;
  border-radius: 14px;
  padding: 18px 20px;
}

.page-contact .pc-end p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.8;
  color: var(--mist);
  max-width: 54em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-chan {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .pc-check__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }

  .page-contact .pc-step__body {
    padding-left: 64px;
  }

  .page-contact .pc-step__sum {
    padding-left: 64px;
  }

  .page-contact .pc-step::before {
    left: 21px;
  }

  .page-contact .pc-step__sum::before {
    left: 15px;
  }
}

@media (min-width: 980px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
    padding-top: 40px;
  }

  .page-contact .pc-hero__aside {
    transform: rotate(-1deg);
  }

  .page-contact .pc-export {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .pc-partner__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pc-partner__card:nth-child(1) {
    grid-column: span 5;
  }

  .page-contact .pc-partner__card:nth-child(2) {
    grid-column: span 4;
    margin-top: 28px;
  }

  .page-contact .pc-partner__card:nth-child(3) {
    grid-column: span 3;
    margin-top: 56px;
  }

  .page-contact .pc-visit {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 44px;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-chan {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .pc-chan__item:nth-child(2) {
    margin-top: 18px;
  }

  .page-contact .pc-chan__item:nth-child(3) {
    margin-top: -18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-chan__item,
  .page-contact .pc-chan__fit,
  .page-contact .pc-step__sum::before {
    transition: none;
  }

  .page-contact .pc-chan__item:hover,
  .page-contact .pc-chan__item:focus-within {
    transform: none;
  }

  .page-contact .pc-hero__aside {
    transform: none;
  }
}