.page-contact {
  --pc-rule: rgba(34, 29, 26, 0.16);
  --pc-rule-light: rgba(255, 252, 245, 0.24);
  --pc-ink-soft: rgba(34, 29, 26, 0.66);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  padding-bottom: 40px;
}

.page-contact .container {
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: clamp(28px, 5vw, 56px) 0 clamp(20px, 3vw, 36px);
  max-width: 46rem;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grape);
  margin: 0 0 14px;
}

.page-contact h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 16em;
}

.page-contact .pc-lede {
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 26px;
  max-width: 36em;
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-block {
  padding: clamp(36px, 6vw, 64px) 0 0;
}

.page-contact .section-head {
  max-width: 40rem;
  margin-bottom: 26px;
}

.page-contact .section-head h2 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.page-contact .pc-lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--pc-ink-soft);
  margin: 0;
  max-width: 36em;
}

.page-contact .chapter-no {
  margin-bottom: 10px;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .pc-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-channel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-rule);
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .pc-channel:hover {
  background: var(--paper-white);
  padding-left: 10px;
}

.page-contact .pc-channel__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--grape);
  text-transform: uppercase;
}

.page-contact .pc-channel__value {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 6px;
  word-break: break-word;
}

.page-contact .pc-channel__desc {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
  margin: 0;
  max-width: 32em;
}

.page-contact .pc-channel .tag {
  justify-self: start;
  align-self: start;
}

.page-contact .pc-fineprint {
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
  margin: 18px 0 0;
}

.page-contact .pc-fineprint a {
  color: var(--grape);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .pc-fineprint a:hover {
  color: var(--ink);
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
}

/* ---------- 准备清单（唯一重色区块） ---------- */
.page-contact .pc-prepare {
  margin-top: clamp(40px, 6vw, 72px);
  background: var(--grape);
  color: var(--paper-white);
  padding: clamp(26px, 4.5vw, 52px) clamp(18px, 3.5vw, 44px);
}

.page-contact .pc-prepare__grid {
  display: grid;
  gap: 30px;
}

.page-contact .pc-prepare__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-contact .pc-prepare h2 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.28;
  margin: 0 0 12px;
  max-width: 18em;
}

.page-contact .pc-prepare__intro {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 252, 245, 0.82);
  margin: 0 0 18px;
  max-width: 32em;
}

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

.page-contact .pc-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--pc-rule-light);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper-white);
}

.page-contact .pc-check input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  border: 1px solid var(--gold);
  background: transparent;
  border-radius: 0;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .pc-check input:checked {
  background: var(--gold);
  box-shadow: inset 0 0 0 3px var(--grape);
}

.page-contact .pc-check input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .pc-prepare__after {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--gold);
  margin: 18px 0 0;
}

.page-contact .pc-prepare__figure {
  margin: 0;
}

.page-contact .pc-prepare__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--pc-rule-light);
  background: var(--pine);
}

.page-contact .pc-prepare__figure figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 252, 245, 0.72);
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--gold);
}

/* ---------- 响应流程 ---------- */
.page-contact .pc-flow-grid {
  display: grid;
  gap: 30px;
  border-top: 1px solid var(--pc-rule);
  padding-top: 24px;
}

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

.page-contact .pc-step {
  position: relative;
  padding: 0 0 20px 32px;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--grape);
  border-radius: 0;
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .pc-step::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 24px;
  bottom: 0;
  width: 1px;
  background: var(--pc-rule);
}

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

.page-contact .pc-step:last-child::after {
  display: none;
}

.page-contact .pc-step:hover::before {
  background: var(--gold);
  transform: scale(1.04);
}

.page-contact .pc-step details {
  border-bottom: 1px solid transparent;
}

.page-contact .pc-step summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-contact .pc-step summary:hover {
  color: var(--grape);
}

.page-contact .pc-step__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-weight: 500;
}

.page-contact .pc-step details[open] .pc-step__no {
  color: var(--grape);
}

.page-contact .pc-step__body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
  margin: 10px 0 4px;
  max-width: 34em;
  padding-left: 10px;
  border-left: 2px solid var(--fog);
}

.page-contact .pc-flow-figure {
  margin: 0;
}

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

.page-contact .pc-flow-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.8;
  color: var(--pc-ink-soft);
  margin-top: 10px;
}

/* ---------- 咨询类型 ---------- */
.page-contact .pc-types {
  display: grid;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-type {
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-type__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grape-soft);
  margin: 0 0 8px;
}

.page-contact .pc-type h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 8px;
}

.page-contact .pc-type p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
  margin: 0 0 12px;
  max-width: 32em;
}

.page-contact .pc-type__link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--grape);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.page-contact .pc-type__link:hover {
  color: var(--ink);
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
}

/* ---------- 自助入口 ---------- */
.page-contact .pc-selfserve-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-selfserve-list li {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-selfserve-list a {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--pine);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .pc-selfserve-list a:hover {
  color: var(--grape);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-contact .pc-selfserve-list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

/* ---------- 收束刻度与提示 ---------- */
.page-contact .pc-ruler {
  height: 12px;
  margin-top: clamp(40px, 6vw, 64px);
  border-top: 1px solid var(--gold);
  background-image: repeating-linear-gradient(
    to right,
    var(--pc-rule) 0 1px,
    transparent 1px 16px
  );
  background-position: 0 0;
  background-size: 16px 8px;
  background-repeat: repeat-x;
}

.page-contact .pc-hints {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  line-height: 1.9;
  color: var(--pc-ink-soft);
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-channel {
    grid-template-columns: 110px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .pc-channel__key {
    padding-top: 2px;
  }

  .page-contact .pc-channel .tag {
    justify-self: end;
    white-space: nowrap;
  }

  .page-contact .pc-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .page-contact .pc-prepare__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 36px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-flow-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .pc-hero {
    max-width: 48rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-check input,
  .page-contact .pc-step::before,
  .page-contact .pc-type__link,
  .page-contact .pc-selfserve-list a {
    transition: none;
  }
}
<<<END>>>