.page-contact {
  --pc-rule: rgba(36, 27, 23, 0.16);
  --pc-rule-soft: rgba(36, 27, 23, 0.1);
  --pc-ink-soft: rgba(36, 27, 23, 0.72);
  --pc-cream-soft: rgba(245, 235, 221, 0.74);
  --pc-line-dark: rgba(245, 235, 221, 0.16);
  --pc-cyan-line: rgba(22, 224, 200, 0.28);
  display: block;
  background: var(--cream-2);
  color: var(--brown);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-950);
  color: var(--cream);
  padding: 22px 0 76px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 30px));
}

.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.34;
  filter: saturate(0.72);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(112deg, rgba(5, 15, 24, 0.97) 0%, rgba(8, 24, 38, 0.9) 46%, rgba(18, 50, 74, 0.52) 100%),
    repeating-linear-gradient(90deg, rgba(22, 224, 200, 0.1) 0 1px, transparent 1px 84px);
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
}

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

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 7.6vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0;
  max-width: 16em;
  color: var(--cream);
}

.page-contact .pc-hero__lead {
  margin: 18px 0 0;
  font-size: clamp(15px, 3.7vw, 18px);
  line-height: 1.85;
  color: var(--pc-cream-soft);
  max-width: 34em;
}

.page-contact .pc-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pc-cyan-line);
  border-left: 2px solid var(--orange);
}

.page-contact .pc-hero__fact {
  background: rgba(8, 24, 38, 0.94);
  padding: 13px 16px;
}

.page-contact .pc-hero__fact b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.6vw, 22px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .pc-hero__fact span {
  display: block;
  font-size: 13px;
  color: var(--pc-cream-soft);
}

/* ---------- 分诊台 ---------- */
.page-contact .pc-triage {
  background: var(--cream-2);
  padding: 44px 0 54px;
}

.page-contact .pc-sec-head {
  margin-bottom: 26px;
}

.page-contact .pc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-deep);
}

.page-contact .pc-kicker::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--orange);
}

.page-contact .pc-kicker--light {
  color: var(--cyan);
}

.page-contact .pc-sec-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5.6vw, 38px);
  line-height: 1.22;
  margin: 10px 0 0;
  color: var(--brown);
}

.page-contact .pc-sec-head p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-ink-soft);
  max-width: 40em;
}

.page-contact .pc-triage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

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

.page-contact .pc-purpose {
  position: relative;
  display: block;
  padding: 18px 18px 18px 22px;
  background: var(--cream-2);
  border: 1px solid var(--pc-rule);
  text-decoration: none;
  color: var(--brown);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .pc-purpose::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pc-rule);
  transition: background 0.2s ease;
}

.page-contact .pc-purpose:hover,
.page-contact .pc-purpose:focus-visible {
  background: var(--mist);
  border-color: rgba(22, 224, 200, 0.55);
  transform: translateX(2px);
}

.page-contact .pc-purpose:hover::before,
.page-contact .pc-purpose:focus-visible::before {
  background: var(--orange);
}

.page-contact .pc-purpose__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-deep);
}

.page-contact .pc-purpose__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  margin: 6px 0 0;
  color: var(--brown);
}

.page-contact .pc-purpose__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

.page-contact .pc-purpose__go {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-800);
  border-bottom: 1px solid rgba(18, 50, 74, 0.3);
}

/* ---------- 大号联系面板 ---------- */
.page-contact .pc-panel {
  position: relative;
  padding: 22px 20px 26px;
  background: linear-gradient(152deg, var(--ink-800) 0%, var(--ink-900) 62%, var(--ink-950) 100%);
  color: var(--cream);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .pc-panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 84px;
  background: linear-gradient(180deg, var(--orange), var(--violet));
}

.page-contact .pc-panel__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 4.6vw, 27px);
  line-height: 1.35;
  margin: 10px 0 0;
  color: var(--cream);
}

.page-contact .pc-panel__primary {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid rgba(22, 224, 200, 0.4);
  background: rgba(22, 224, 200, 0.07);
}

.page-contact .pc-panel__primary-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .pc-panel__primary-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 235, 221, 0.86);
}

.page-contact .pc-panel details {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(22, 224, 200, 0.35);
}

.page-contact .pc-panel summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

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

.page-contact .pc-panel summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

.page-contact .pc-panel details[open] summary::before {
  content: "–";
}

.page-contact .pc-panel details ul {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(245, 235, 221, 0.78);
}

.page-contact .pc-contact-line {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid var(--pc-line-dark);
}

.page-contact .pc-contact-line:first-of-type {
  border-top: 0;
}

.page-contact .pc-contact-line__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(22, 224, 200, 0.9);
}

.page-contact .pc-contact-line__value {
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.8vw, 23px);
  line-height: 1.5;
  color: var(--cream);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-contact-line__value--sm {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .pc-contact-line__note {
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(245, 235, 221, 0.6);
}

.page-contact .pc-panel__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-line-dark);
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(245, 235, 221, 0.62);
}

/* ---------- 合作流程 ---------- */
.page-contact .pc-flow-section {
  background: var(--ink-950);
  color: var(--cream);
  padding: 44px 0 54px;
}

.page-contact .pc-flow-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: end;
}

.page-contact .pc-flow-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5.6vw, 38px);
  line-height: 1.24;
  margin: 10px 0 0;
  color: var(--cream);
}

.page-contact .pc-flow-lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-cream-soft);
  max-width: 34em;
}

.page-contact .pc-flow-head__media {
  margin: 0;
  position: relative;
}

.page-contact .pc-flow-head__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(22, 224, 200, 0.3);
}

.page-contact .pc-flow-head__media .media-frame__caption {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(245, 235, 221, 0.6);
}

.page-contact .pc-flow {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 18px 0 18px 18px;
  border-top: 1px solid var(--pc-cyan-line);
  border-left: 1px solid var(--pc-cyan-line);
}

.page-contact .pc-flow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .pc-flow__step h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  margin: 6px 0 0;
  color: var(--cream);
}

.page-contact .pc-flow__step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 235, 221, 0.72);
}

/* ---------- 服务范围 ---------- */
.page-contact .pc-scope {
  background: var(--cream);
  padding: 44px 0 54px;
}

.page-contact .pc-scope__table {
  margin-top: 26px;
  border-top: 2px solid var(--brown);
}

.page-contact .pc-scope__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(36, 27, 23, 0.18);
}

.page-contact .pc-scope__row--head {
  display: none;
}

.page-contact .pc-scope__key {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
  color: var(--brown);
}

.page-contact .pc-scope__desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

.page-contact .pc-scope__chan {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-800);
}

.page-contact .pc-scope__chan::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: var(--orange);
  vertical-align: 1px;
}

.page-contact .pc-scope__link {
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 50, 74, 0.35);
}

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

/* ---------- 备案 ---------- */
.page-contact .pc-legal {
  background: var(--ink-900);
  color: var(--cream);
  padding: 38px 0 46px;
}

.page-contact .pc-legal h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 5vw, 32px);
  line-height: 1.3;
  margin: 10px 0 0;
  color: var(--cream);
}

.page-contact .pc-legal__grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 20px;
  border-top: 1px solid var(--pc-line-dark);
}

.page-contact .pc-legal__item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(245, 235, 221, 0.12);
}

.page-contact .pc-legal__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(22, 224, 200, 0.85);
  min-width: 86px;
  line-height: 1.9;
}

.page-contact .pc-legal__val {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 235, 221, 0.9);
  overflow-wrap: anywhere;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-hero {
    padding: 28px 0 92px;
  }

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

  .page-contact .pc-triage,
  .page-contact .pc-flow-section,
  .page-contact .pc-scope,
  .page-contact .pc-legal {
    padding-top: 56px;
    padding-bottom: 64px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-triage__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.16fr);
    gap: 26px;
  }

  .page-contact .pc-panel {
    padding: 28px 26px 32px;
    position: sticky;
    top: 96px;
  }

  .page-contact .pc-flow-head {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 32px;
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    margin-top: 38px;
  }

  .page-contact .pc-flow__step {
    border-top: 0;
    border-left: 0;
    padding: 26px 0 0;
  }

  .page-contact .pc-flow__step::before {
    content: "";
    position: absolute;
    top: 9px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(22, 224, 200, 0.72), rgba(22, 224, 200, 0.16));
  }

  .page-contact .pc-flow__step::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 0;
    width: 9px;
    height: 9px;
    background: var(--ink-950);
    border: 2px solid var(--cyan);
    transform: rotate(45deg);
  }

  .page-contact .pc-scope__row {
    grid-template-columns: 150px minmax(0, 1fr) 250px;
    gap: 22px;
    align-items: baseline;
    padding: 18px 0;
  }

  .page-contact .pc-scope__row--head {
    display: grid;
    padding: 10px 0;
    border-bottom: 1px solid rgba(36, 27, 23, 0.35);
  }

  .page-contact .pc-scope__row--head span {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: rgba(36, 27, 23, 0.55);
  }

  .page-contact .pc-legal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

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

  .page-contact .pc-purpose:hover,
  .page-contact .pc-purpose:focus-visible {
    transform: none;
  }
}
<<<END>>>