.page-contact {
  --pc-paper: #F4F1E8;
  --pc-ink: #0A1B16;
  --pc-ink-70: rgba(10, 27, 22, .72);
  --pc-ink-55: rgba(10, 27, 22, .58);
  --pc-ink-line: rgba(10, 27, 22, .12);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--a9-lime);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(12px, 2.5vw, 30px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: -25% -12% 32% 42%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(46, 91, 72, .55), transparent 72%);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-contact .pc-hero__lead {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 34em;
}

.page-contact .pc-hero__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--a9-text-soft);
}

.page-contact .pc-hero__media {
  margin: 0;
  border-radius: var(--a9-radius);
  overflow: hidden;
  background: linear-gradient(140deg, var(--a9-moss), var(--a9-charcoal));
}

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

/* ---------- 渠道分屏 ---------- */
.page-contact .pc-board__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-contact .pc-board__rail {
  padding: clamp(22px, 2.6vw, 32px);
  border-radius: var(--a9-radius);
  background: var(--a9-panel-strong);
  border: 1px solid var(--a9-line);
}

.page-contact .pc-rail__lead {
  margin: 14px 0 22px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--a9-text-soft);
}

.page-contact .pc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-rail__item {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--a9-line);
}

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

.page-contact .pc-rail__key {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--a9-stone);
}

.page-contact .pc-rail__val {
  font-size: 15px;
  line-height: 1.55;
  color: var(--a9-white);
  overflow-wrap: anywhere;
}

.page-contact .pc-board__main {
  padding: clamp(22px, 3vw, 44px);
  border-radius: var(--a9-radius);
  background: var(--pc-paper);
  color: var(--pc-ink);
}

.page-contact .pc-board__main .a9-label {
  color: var(--pc-ink-55);
}

.page-contact .pc-board__head h2 {
  margin: 10px 0 12px;
  font-size: clamp(23px, 2.6vw, 34px);
  font-weight: 300;
  letter-spacing: -.015em;
  line-height: 1.2;
  color: var(--pc-ink);
}

.page-contact .pc-board__intro {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-ink-70);
}

.page-contact .pc-board__cards {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  margin-top: clamp(24px, 3vw, 34px);
}

.page-contact .pc-channel {
  position: relative;
  padding: clamp(22px, 2.4vw, 30px) clamp(20px, 2.4vw, 30px) clamp(22px, 2.4vw, 30px) clamp(30px, 3vw, 46px);
  border-radius: var(--a9-radius);
  background: var(--a9-white);
  transition: transform .28s var(--a9-ease), box-shadow .28s var(--a9-ease);
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  left: clamp(14px, 1.6vw, 20px);
  top: clamp(24px, 2.6vw, 34px);
  bottom: clamp(24px, 2.6vw, 34px);
  width: 3px;
  border-radius: var(--a9-pill);
  background: var(--a9-moss);
}

.page-contact .pc-channel--a::before { background: var(--a9-lime); }
.page-contact .pc-channel--b::before { background: var(--a9-orange); }
.page-contact .pc-channel--c::before { background: var(--a9-amber); }

.page-contact .pc-channel__idx {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--a9-stone);
}

.page-contact .pc-channel__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--pc-ink);
}

.page-contact .pc-channel__desc {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-ink-70);
}

.page-contact .pc-channel__sub {
  display: block;
  margin: 0 0 10px;
  color: var(--pc-ink-55);
}

.page-contact .pc-channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .pc-channel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--pc-ink-70);
}

.page-contact .pc-channel__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .64em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--a9-moss);
}

.page-contact .pc-channel__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-ink-line);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--pc-ink-55);
}

.page-contact .pc-channel__foot a {
  color: var(--pc-ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--a9-moss);
  padding-bottom: 1px;
}

.page-contact .pc-channel__foot a:hover {
  border-bottom-color: var(--a9-lime);
}

/* ---------- 数据定制 ---------- */
.page-contact .pc-fit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
  align-items: center;
}

.page-contact .pc-fit__media {
  margin: 0;
  border-radius: var(--a9-radius);
  overflow: hidden;
  background: linear-gradient(160deg, var(--a9-moss), var(--a9-charcoal));
}

.page-contact .pc-fit__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .pc-fit__copy h2,
.page-contact .pc-clock__copy h2,
.page-contact .pc-site__copy h2 {
  margin: 10px 0 14px;
  font-size: clamp(23px, 2.6vw, 34px);
  font-weight: 300;
  letter-spacing: -.015em;
  line-height: 1.22;
  color: var(--a9-white);
}

.page-contact .pc-steps {
  list-style: none;
  margin: clamp(20px, 2.4vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 18px;
  border-radius: var(--a9-radius-sm);
  border: 1px solid var(--a9-line);
  background: var(--a9-panel);
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--a9-text-soft);
}

.page-contact .pc-steps__num {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--a9-lime);
}

.page-contact .pc-steps__item strong {
  color: var(--a9-white);
  font-weight: 700;
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-clock__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-contact .pc-clock__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--a9-line);
}

.page-contact .pc-clock__row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--a9-line);
}

.page-contact .pc-clock__k {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--a9-lime);
}

.page-contact .pc-clock__v {
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--a9-text-soft);
}

/* ---------- 站点信息 ---------- */
.page-contact .pc-site__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  align-items: start;
}

.page-contact .pc-site__copy .a9-prose a {
  color: var(--a9-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 247, 58, .5);
}

.page-contact .pc-facts {
  margin: 0;
  display: grid;
  border-top: 1px solid var(--a9-line);
}

.page-contact .pc-fact {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--a9-line);
}

.page-contact .pc-fact dt {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--a9-stone);
}

.page-contact .pc-fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--a9-white);
  overflow-wrap: anywhere;
}

/* ---------- 底部胶囊条 ---------- */
.page-contact .pc-capsule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: clamp(28px, 4vw, 52px);
  padding: clamp(16px, 2vw, 20px) clamp(20px, 2.6vw, 34px);
  border-radius: var(--a9-pill);
  border: 1px solid var(--a9-line);
  background: var(--a9-panel-strong);
}

.page-contact .pc-capsule__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--a9-text-soft);
}

.page-contact .pc-capsule__icp {
  font-family: var(--a9-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--a9-amber);
  white-space: nowrap;
}

/* ---------- 悬停与桌面栅格 ---------- */
@media (hover: hover) {
  .page-contact .pc-channel:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 34px rgba(10, 27, 22, .14);
  }
}

@media (min-width: 720px) {
  .page-contact .pc-clock__row {
    grid-template-columns: minmax(130px, .34fr) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .72fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .pc-hero__media img {
    aspect-ratio: 3 / 4;
  }

  .page-contact .pc-fit__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }

  .page-contact .pc-clock__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

  .page-contact .pc-site__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .pc-board__grid {
    grid-template-columns: minmax(250px, .58fr) minmax(0, 1.42fr);
    gap: clamp(24px, 3vw, 44px);
  }

  .page-contact .pc-channel--b {
    margin-left: clamp(16px, 6%, 72px);
  }

  .page-contact .pc-channel--c {
    margin-right: clamp(16px, 6%, 72px);
  }
}

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