.page-contact {
  --pc-gap: clamp(18px, 2.6vw, 30px);
  --pc-line: rgba(140, 151, 184, .22);
  --pc-glass: rgba(22, 32, 74, .55);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-hero__lead {
  max-width: 46rem;
}

.page-contact .pc-hero__aside {
  padding: clamp(20px, 2.4vw, 26px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .pc-hero__aside-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

/* ---------- 区块标题 ---------- */
.page-contact .pc-head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

/* ---------- 勾选样式清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: 11px;
  height: 11px;
  border: 1px solid rgba(53, 224, 200, .55);
  border-radius: 3px;
}

/* ---------- 渠道带 ---------- */
.page-contact .channels {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channels__visual {
  margin: 0;
}

.page-contact .channels__visual .media__frame {
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .channels__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .channels__cards {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .ch-card {
  position: relative;
  display: grid;
  gap: 9px;
  padding: clamp(18px, 2vw, 24px) clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--pc-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background-color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
}

.page-contact .ch-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: .5;
  transition: opacity .22s var(--ease);
}

.page-contact .ch-card:hover,
.page-contact .ch-card:focus-within {
  background-color: var(--ink-800);
  border-color: rgba(53, 224, 200, .42);
  transform: translateY(-2px);
}

.page-contact .ch-card:hover::before,
.page-contact .ch-card:focus-within::before {
  opacity: 1;
}

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

.page-contact .ch-card__head .tag {
  margin-left: auto;
}

.page-contact .ch-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .ch-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 19px);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .ch-card__label {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .pc-mail {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, .4);
  padding-bottom: 1px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-contact .pc-mail:hover,
.page-contact .pc-mail:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-prep__item {
  padding: clamp(20px, 2.4vw, 30px);
  border-radius: var(--radius);
}

.page-contact .pc-prep__item:first-child {
  border-top: 2px solid var(--orange);
}

.page-contact .pc-prep__item:last-child {
  border-top: 2px solid var(--cyan);
}

.page-contact .pc-prep__item .panel__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  opacity: .88;
}

.page-contact .pc-prep__item .panel__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 合作 ---------- */
.page-contact .pc-coop__inner {
  padding: clamp(24px, 3.4vw, 46px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background:
    radial-gradient(115% 130% at 100% 0%, rgba(255, 122, 41, .15), transparent 62%),
    linear-gradient(140deg, var(--ink-800), var(--ink-900) 72%);
}

.page-contact .pc-coop__inner > .t-body {
  max-width: 64ch;
}

.page-contact .coop-list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .coop-list li {
  padding-left: 14px;
  border-left: 2px solid rgba(53, 224, 200, .5);
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .coop-list li span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--paper);
}

.page-contact .pc-coop__note {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-coop__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--orange);
  overflow-wrap: anywhere;
}

.page-contact .pc-coop__mail .pc-mail {
  border-bottom-color: rgba(255, 122, 41, .5);
}

.page-contact .pc-coop__mail .pc-mail:hover,
.page-contact .pc-coop__mail .pc-mail:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应时间与流程 ---------- */
.page-contact .pc-hours__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-hours__clock {
  padding: clamp(22px, 2.6vw, 32px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--pc-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .pc-hours__clock .num--xl {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--cyan);
}

.page-contact .pc-hours__clock-note {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--paper);
}

.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-flow li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-flow li:last-child {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-flow__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-contact .pc-flow h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--paper);
}

.page-contact .pc-flow p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 地址与节点 ---------- */
.page-contact .pc-node__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-addr {
  margin: 0 0 18px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--paper);
  background: rgba(255, 122, 41, .08);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .pc-node__text .t-body {
  margin: 0 0 14px;
  max-width: 52ch;
}

.page-contact .nodemat {
  display: block;
  width: 100%;
  height: auto;
  padding: 12px;
  box-sizing: border-box;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background-color: rgba(7, 12, 38, .5);
  background-image: radial-gradient(rgba(140, 151, 184, .26) 1px, transparent 1px);
  background-size: 18px 18px;
}

.page-contact .nodemat__edges line {
  stroke: var(--cyan);
  stroke-width: 1;
  opacity: .3;
}

.page-contact .nodemat__dots circle {
  fill: var(--muted);
  opacity: .85;
}

.page-contact .nodemat__hub {
  fill: var(--cyan);
}

.page-contact .nodemat__ring {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.5;
  transform-origin: 240px 160px;
  animation: pc-node-ring 3.4s var(--ease) infinite;
}

@keyframes pc-node-ring {
  0% {
    transform: scale(.7);
    opacity: .9;
  }
  100% {
    transform: scale(2.3);
    opacity: 0;
  }
}

.page-contact .pc-node__figure {
  margin: clamp(28px, 4vw, 52px) 0 0;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-node__text .t-body {
    font-size: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, .85fr);
    align-items: end;
    gap: clamp(30px, 5vw, 72px);
  }

  .page-contact .channels {
    grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pc-hours__grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: clamp(30px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .pc-node__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(30px, 5vw, 64px);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-hours__clock {
    position: sticky;
    top: calc(var(--head-offset) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ch-card,
  .page-contact .pc-mail {
    transition: none;
  }

  .page-contact .ch-card:hover,
  .page-contact .ch-card:focus-within {
    transform: none;
  }

  .page-contact .nodemat__ring {
    animation: none;
    opacity: .5;
  }
}