.page-contact {
  background: var(--silver);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(44px, 7vw, 96px);
  background:
    radial-gradient(88% 116% at 94% 4%, rgba(184, 255, 60, .16), transparent 58%),
    radial-gradient(72% 96% at 2% 0%, rgba(95, 120, 150, .18), transparent 62%),
    var(--silver);
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-contact .pc-hero-copy .breadcrumb {
  margin-bottom: 22px;
}

.page-contact .pc-hero-copy h1 {
  margin: 12px 0 18px;
  max-width: 17ch;
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--table);
}

.page-contact .pc-lede {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
  color: #2A3543;
}

.page-contact .pc-hero-marks {
  margin: 0;
  display: grid;
  gap: 10px;
  font-size: .9375rem;
  line-height: 1.65;
  color: #3A4655;
}

.page-contact .pc-hero-visual {
  margin: 0;
  padding: 18px 18px 14px;
  background: linear-gradient(200deg, var(--table), var(--felt) 62%, #26313F);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-contact .pc-hero-visual .media-caption {
  margin-top: 14px;
  color: var(--mist);
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 主体：左窄右宽通道式 ---------- */
.page-contact .pc-body {
  padding-block: clamp(36px, 5vw, 76px) clamp(44px, 6vw, 84px);
}

.page-contact .pc-body-grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
}

.page-contact .pc-col-title {
  margin: 0 0 16px;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--rule-blue);
}

/* 渠道卡 */
.page-contact .chan-card {
  position: relative;
  margin-bottom: 14px;
  padding: 18px 18px 16px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
  transition: border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.page-contact .chan-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 3px;
  background: var(--horn);
  transition: background var(--dur) var(--ease);
}

.page-contact .chan-card:hover,
.page-contact .chan-card:focus-visible {
  border-color: var(--lime);
  box-shadow: 0 0 0 1px rgba(184, 255, 60, .55), 0 0 24px -8px rgba(184, 255, 60, .6), var(--shadow-2);
  transform: translateY(-2px);
  outline: none;
}

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

.page-contact .chan-card:hover::before,
.page-contact .chan-card:focus-visible::before {
  background: var(--lime-deep);
}

.page-contact .chan-label {
  margin: 0;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--rule-blue);
}

.page-contact .chan-value {
  margin: 8px 0 10px;
  font-family: var(--mono);
  font-size: clamp(.875rem, 1.7vw, 1.0625rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: .03em;
  line-height: 1.45;
  color: var(--table);
  overflow-wrap: anywhere;
}

.page-contact .chan-value-text {
  font-family: var(--sans);
  font-size: .9375rem;
  letter-spacing: .02em;
}

.page-contact .chan-note {
  margin: 0 0 14px;
  font-size: .8125rem;
  font-weight: 300;
  line-height: 1.7;
  color: #55606F;
}

.page-contact .chan-copy {
  font-family: var(--sans);
}

.page-contact .chan-foot {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--horn-lite);
  font-size: .8125rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--rule-blue);
}

/* 右栏区块 */
.page-contact .pc-block + .pc-block {
  margin-top: clamp(42px, 6vw, 76px);
}

.page-contact .pc-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.page-contact .pc-head .chapter-no {
  display: block;
  flex: none;
  font-family: var(--mono);
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--horn);
}

.page-contact .pc-head h2 {
  margin: 6px 0 0;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--table);
}

.page-contact .pc-block .prose {
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: #37414F;
}

/* 自查三类 */
.page-contact .pc-check-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .pc-check {
  padding: 18px 18px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--rule-blue);
  transition: border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.page-contact .pc-check:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  border-top-color: var(--horn);
  box-shadow: var(--shadow-1);
}

.page-contact .pc-check-kicker {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--horn);
}

.page-contact .pc-check h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--table);
}

.page-contact .pc-check p {
  margin: 0 0 12px;
  font-size: .875rem;
  line-height: 1.72;
  color: #4A5563;
}

.page-contact .pc-link {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--lime-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible {
  color: var(--table);
  border-bottom-color: var(--horn);
  outline: none;
}

.page-contact .pc-link::after {
  content: " →";
  font-family: var(--mono);
}

/* 商务合作 */
.page-contact .pc-partner-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 44px);
  align-items: start;
  margin-top: 22px;
}

.page-contact .pc-steps {
  counter-reset: step;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 44px;
  font-size: .875rem;
  line-height: 1.75;
  color: #37414F;
}

.page-contact .pc-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 30px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: .75rem;
  font-variant-numeric: tabular-nums;
  color: var(--horn);
  border: 1px solid var(--horn);
}

.page-contact .pc-partner-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  background: rgba(95, 120, 150, .1);
  border-left: 3px solid var(--rule-blue);
  font-size: .875rem;
  line-height: 1.75;
  color: #37414F;
}

.page-contact .pc-partner-note a {
  color: var(--rule-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-partner-note a:hover,
.page-contact .pc-partner-note a:focus-visible {
  color: var(--table);
  border-bottom-color: var(--horn);
  outline: none;
}

.page-contact .pc-partner-fig {
  margin: 0;
  padding: 14px;
  background: linear-gradient(190deg, var(--felt), var(--table));
}

.page-contact .pc-partner-fig .media-caption {
  margin-top: 12px;
  color: var(--mist);
}

/* ---------- 回复节奏（深色区） ---------- */
.page-contact .pc-pace {
  margin-top: clamp(36px, 5vw, 72px);
  padding-block: clamp(56px, 7vw, 104px) clamp(48px, 6vw, 88px);
  background: linear-gradient(155deg, var(--table), var(--felt) 66%, #26313F);
  color: var(--silver);
  clip-path: polygon(0 0, 100% 40px, 100% 100%, 0 100%);
}

.page-contact .pc-pace-head h2 {
  margin: 10px 0 16px;
  max-width: 22ch;
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--silver);
}

.page-contact .pc-pace-lede {
  margin: 0;
  max-width: 56ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-scale {
  margin-top: clamp(30px, 4vw, 48px);
  max-width: 720px;
}

.page-contact .pc-scale-track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(233, 237, 242, .12);
  overflow: hidden;
}

.page-contact .pc-scale-fill {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--horn) 0%, var(--horn-lite) 34%, var(--lime) 66%, var(--lime) 100%);
}

.page-contact .pc-scale-marks {
  position: relative;
  height: 42px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-scale-marks li {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 72px;
  font-family: var(--mono);
  font-size: .6875rem;
  line-height: 1.4;
  letter-spacing: .02em;
  text-align: center;
  color: var(--mist);
}

.page-contact .pc-scale-marks li:nth-child(1) { left: 0; transform: none; text-align: left; }
.page-contact .pc-scale-marks li:nth-child(2) { left: 33.3%; }
.page-contact .pc-scale-marks li:nth-child(3) { left: 66.6%; }
.page-contact .pc-scale-marks li:nth-child(4) { left: 100%; transform: translateX(-100%); text-align: right; }

.page-contact .pc-pace-list {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
  max-width: 820px;
}

.page-contact .pc-pace-list li {
  padding: 16px 18px;
  background: rgba(27, 36, 48, .82);
  border-left: 3px solid var(--horn);
  font-size: .875rem;
  line-height: 1.78;
  color: #D5DCE4;
}

.page-contact .pc-pace-num {
  display: inline-block;
  margin-right: 12px;
  padding: 2px 9px;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--table);
  background: var(--lime);
}

/* ---------- 分流入口 ---------- */
.page-contact .pc-route {
  padding-block: clamp(44px, 6vw, 88px);
  background: var(--silver);
}

.page-contact .pc-route-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 232px), 1fr));
}

.page-contact .pc-route-card {
  display: block;
  padding: 24px 20px 20px;
  background: var(--card);
  text-decoration: none;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line), var(--shadow-1);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .pc-route-card:hover,
.page-contact .pc-route-card:focus-visible {
  transform: translateY(-3px);
  outline: none;
  box-shadow: inset 0 0 0 2px var(--lime-deep), var(--shadow-2);
}

.page-contact .pc-route-kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--horn);
}

.page-contact .pc-route-card h3 {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--table);
}

.page-contact .pc-route-card p {
  margin: 0 0 16px;
  font-size: .875rem;
  line-height: 1.72;
  color: #4A5563;
}

.page-contact .pc-route-go {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--lime-deep);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-route-card:hover .pc-route-go,
.page-contact .pc-route-card:focus-visible .pc-route-go {
  border-bottom-color: var(--horn);
}

.page-contact .pc-route-go::after {
  content: " →";
  font-family: var(--mono);
}

.page-contact .pc-route-foot {
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  max-width: 62ch;
  font-size: .8125rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--rule-blue);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-hero-marks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

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

  .page-contact .pc-partner-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .pc-body-grid {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-channels {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 999px) {
  .page-contact .chan-card:last-of-type {
    margin-bottom: 0;
  }
}

@media (max-width: 520px) {
  .page-contact .pc-head {
    gap: 12px;
  }

  .page-contact .pc-pace-list li {
    padding: 14px 14px;
  }

  .page-contact .pc-scale-marks li {
    width: 56px;
    font-size: .625rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan-card,
  .page-contact .pc-check,
  .page-contact .pc-route-card,
  .page-contact .pc-link,
  .page-contact .pc-route-go {
    transition: none;
  }
}