.page-contact {
  --pc-card-line: rgba(11, 42, 74, 0.14);
  --pc-dark-line: rgba(244, 247, 248, 0.16);
  background: var(--mist);
  color: var(--ink);
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-contact .pc-signal {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 82% 12%, rgba(255, 106, 43, 0.28), transparent 58%),
    linear-gradient(158deg, var(--night) 0%, var(--navy) 62%, #12395f 100%);
  color: var(--on-dark-strong);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding: clamp(20px, 4vw, 34px) 0 clamp(30px, 5vw, 56px);
}

.page-contact .pc-signal-art {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .pc-signal-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.3;
  mix-blend-mode: screen;
}

.page-contact .pc-signal::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(6, 27, 51, 0.7) 0%, rgba(6, 27, 51, 0.35) 55%, rgba(6, 27, 51, 0.82) 100%);
  pointer-events: none;
}

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

.page-contact .pc-crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .pc-crumbs .breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: rgba(244, 247, 248, 0.66);
}

.page-contact .pc-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 247, 248, 0.38);
}

.page-contact .pc-crumbs .breadcrumb-link {
  color: var(--mint);
  text-decoration: none;
}

.page-contact .pc-crumbs .breadcrumb-current {
  color: rgba(244, 247, 248, 0.82);
}

.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-contact .pc-eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--signal);
}

.page-contact h1 {
  margin: 0 0 16px;
  max-width: 20ch;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-contact .pc-lede {
  margin: 0 0 clamp(22px, 4vw, 34px);
  max-width: 60ch;
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(244, 247, 248, 0.8);
}

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

.page-contact .pc-quick-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--pc-dark-line);
  background: rgba(6, 27, 51, 0.42);
}

.page-contact .pc-quick-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(244, 247, 248, 0.6);
}

.page-contact .pc-quick-value {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.5vw, 1.0625rem);
  letter-spacing: 0.02em;
  color: var(--on-dark-strong);
  text-decoration: none;
  word-break: break-word;
}

.page-contact a.pc-quick-value:hover,
.page-contact a.pc-quick-value:focus-visible {
  color: var(--signal);
}

.page-contact .pc-body {
  display: flex;
  flex-direction: column;
  gap: clamp(34px, 6vw, 68px);
  margin-top: clamp(34px, 6vw, 64px);
}

.page-contact .pc-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  color: var(--clay);
  margin-bottom: 12px;
}

.page-contact .pc-body h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-contact .pc-body h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .pc-body p {
  margin: 0 0 12px;
  font-size: 0.9688rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* 01 渠道 */
.page-contact .pc-channels {
  display: grid;
  gap: 16px;
}

.page-contact .pc-card-main {
  background: linear-gradient(168deg, var(--navy), var(--night));
  color: var(--on-dark-strong);
  border-radius: var(--radius-xl);
  padding: clamp(22px, 4vw, 38px);
  box-shadow: var(--shadow-panel);
}

.page-contact .pc-card-main h2 {
  color: var(--on-dark-strong);
}

.page-contact .pc-card-main .pc-num {
  color: var(--signal);
}

.page-contact .pc-card-intro {
  color: rgba(244, 247, 248, 0.72) !important;
  margin-bottom: clamp(18px, 3vw, 26px) !important;
}

.page-contact .pc-channel {
  padding: 16px 0;
  border-top: 1px solid var(--pc-dark-line);
}

.page-contact .pc-channel--last {
  padding-bottom: 0;
}

.page-contact .pc-channel-name {
  margin: 0 0 6px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.1em;
  color: var(--mint) !important;
}

.page-contact .pc-channel-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.1875rem);
  letter-spacing: 0.02em;
  color: var(--on-dark-strong);
  text-decoration: none;
  margin-bottom: 8px;
  word-break: break-word;
}

.page-contact .pc-channel-value--plain {
  color: var(--on-dark-strong);
}

.page-contact a.pc-channel-value:hover,
.page-contact a.pc-channel-value:focus-visible {
  color: var(--signal);
}

.page-contact .pc-channel-text {
  margin: 0 !important;
  font-size: 0.9375rem !important;
  line-height: 1.8 !important;
  color: rgba(244, 247, 248, 0.7) !important;
}

.page-contact .pc-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .pc-side-card {
  background: #fff;
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3.4vw, 28px);
  box-shadow: var(--shadow-card);
}

.page-contact .pc-side-card--signal {
  background: var(--cream);
  border-color: rgba(184, 107, 75, 0.28);
}

.page-contact .pc-side-card .pc-tick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .pc-side-card .pc-tick-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact .pc-side-card .link-arrow {
  display: inline-block;
  margin-top: 6px;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
}

.page-contact .pc-side-card .link-arrow span {
  display: inline-block;
  transition: transform 0.2s var(--ease);
}

.page-contact .pc-side-card .link-arrow:hover span,
.page-contact .pc-side-card .link-arrow:focus-visible span {
  transform: translateX(4px);
}

/* 02 响应 */
.page-contact .pc-response {
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--pc-card-line);
  padding: clamp(22px, 4vw, 38px);
}

.page-contact .pc-response-head p {
  max-width: 62ch;
}

.page-contact .pc-rules {
  list-style: none;
  margin: clamp(16px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-rule {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--mist);
  border-left: 3px solid var(--mint);
}

.page-contact .pc-rule-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--navy);
}

.page-contact .pc-rule-text {
  margin: 0 !important;
  font-size: 0.9375rem !important;
  color: var(--ink-soft) !important;
}

/* 03 流程 */
.page-contact .pc-flow-section {
  background: var(--navy);
  color: var(--on-dark-strong);
  border-radius: var(--radius-xl);
  padding: clamp(22px, 4vw, 40px);
}

.page-contact .pc-flow-section h2 {
  color: var(--on-dark-strong);
}

.page-contact .pc-flow-section .pc-num {
  color: var(--signal);
}

.page-contact .pc-flow-head p {
  color: rgba(244, 247, 248, 0.74) !important;
  max-width: 58ch;
}

.page-contact .pc-flow {
  list-style: none;
  margin: clamp(20px, 3.5vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-contact .pc-step {
  position: relative;
  background: rgba(244, 247, 248, 0.06);
  border: 1px solid var(--pc-dark-line);
  border-radius: var(--radius-lg);
  padding: 18px 18px 18px 66px;
}

.page-contact .pc-step-num {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--mint);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

.page-contact .pc-step h3 {
  color: var(--on-dark-strong);
  margin-bottom: 6px;
}

.page-contact .pc-step p {
  margin: 0 !important;
  color: rgba(244, 247, 248, 0.72) !important;
  font-size: 0.9375rem !important;
}

.page-contact .pc-flow-figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-contact .pc-flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 1px solid var(--pc-dark-line);
}

.page-contact .pc-flow-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 247, 248, 0.6);
}

/* 04 纠错与合作 */
.page-contact .pc-details-head {
  margin-bottom: clamp(16px, 3vw, 24px);
}

.page-contact .pc-detail-grid {
  display: grid;
  gap: 16px;
}

.page-contact .pc-detail {
  background: #fff;
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3.4vw, 30px);
  box-shadow: var(--shadow-card);
}

.page-contact .pc-detail--clay {
  border-top: 4px solid var(--clay);
}

.page-contact .pc-detail--moss {
  border-top: 4px solid var(--moss);
}

.page-contact .pc-detail .tag {
  margin-bottom: 10px;
  display: inline-block;
}

.page-contact .pc-plain-list {
  margin: 6px 0 12px;
  padding-left: 18px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .pc-plain-list li {
  margin-bottom: 4px;
}

.page-contact .pc-detail-note {
  margin: 0 !important;
  padding-top: 10px;
  border-top: 1px solid var(--pc-card-line);
  font-size: 0.875rem !important;
  color: var(--ink-mute) !important;
}

.page-contact .pc-privacy-note {
  margin: 14px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--ink-mute);
}

.page-contact .pc-privacy-note a {
  color: var(--navy);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--mint);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* 05 地址与备案 */
.page-contact .pc-meta {
  display: grid;
  gap: 16px;
  background: var(--cream);
  border-radius: var(--radius-xl);
  padding: clamp(22px, 4vw, 38px);
}

.page-contact .pc-meta-list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-meta-row {
  display: grid;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(11, 42, 74, 0.2);
}

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

.page-contact .pc-meta-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-contact .pc-meta-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  color: var(--navy);
  word-break: break-word;
}

.page-contact .pc-meta-row dd a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 106, 43, 0.55);
}

.page-contact .pc-meta-row dd a:hover,
.page-contact .pc-meta-row dd a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-contact .pc-meta-aside {
  align-self: start;
}

.page-contact .pc-meta-aside p {
  color: var(--ink-soft) !important;
}

.page-contact .pc-meta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-contact .pc-meta-actions .btn {
  text-decoration: none;
}

.page-contact .pc-meta-actions .btn-ghost {
  border: 1px solid var(--navy);
  color: var(--navy);
  background: transparent;
}

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

@media (min-width: 700px) {
  .page-contact .pc-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .pc-rule {
    border-left: 0;
    border-top: 3px solid var(--mint);
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    position: relative;
  }

  .page-contact .pc-flow::before {
    content: "";
    position: absolute;
    top: 33px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: linear-gradient(90deg, rgba(127, 216, 212, 0.15), var(--mint), rgba(127, 216, 212, 0.15));
    z-index: 0;
  }

  .page-contact .pc-step {
    z-index: 1;
  }

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

@media (min-width: 980px) {
  .page-contact .pc-channels {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 20px;
    align-items: start;
  }

  .page-contact .pc-meta {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: center;
  }

  .page-contact .pc-meta-row {
    grid-template-columns: 118px 1fr;
    align-items: baseline;
    gap: 12px;
  }

  .page-contact h1 {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-side-card .link-arrow span {
    transition: none;
  }
}
<<<END>>>