.page-contact {
  --pc-block: clamp(56px, 8vw, 112px);
  --pc-ink-soft: #6B6558;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-block: clamp(18px, 3vw, 34px) var(--pc-block);
}

.page-contact .pc-crumb {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: clamp(30px, 6vw, 68px);
  align-items: start;
}

.page-contact .pc-hero-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .pc-hero h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(2rem, 6.2vw, 4rem);
  line-height: 1.1;
  letter-spacing: 0.05em;
  color: var(--felt);
  max-width: 15em;
  text-wrap: balance;
}

.page-contact .pc-hero-copy .lede {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.95;
  color: var(--ink);
  max-width: 34em;
}

.page-contact .pc-hero-points {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  display: grid;
  gap: 10px;
  border-top: 2px solid var(--felt);
}

.page-contact .pc-hero-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-hero-points .chip-dot {
  flex: none;
  margin-top: 0.55em;
}

.page-contact .pc-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 4px 0 0;
}

.page-contact .pc-shot {
  position: relative;
  margin: 0;
  padding: clamp(10px, 1.6vw, 18px);
  background: var(--ivory-soft);
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 760 / 1280;
  object-fit: cover;
  border: 1px solid var(--paper-line);
  background: var(--lamp);
}

.page-contact .pc-shot-pin {
  position: absolute;
  top: clamp(16px, 2.2vw, 26px);
  right: clamp(16px, 2.2vw, 26px);
  z-index: 2;
  padding: 5px 10px;
  background: var(--chip);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  border-radius: 2px;
  white-space: nowrap;
}

.page-contact .pc-shot-cap {
  margin-top: 12px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--score);
  letter-spacing: 0.02em;
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-section {
  padding-block: var(--pc-block);
}

.page-contact .pc-four {
  background: var(--ivory-soft);
}

.page-contact .pc-flow-band {
  background: var(--ivory);
}

.page-contact .pc-self-band {
  background: var(--ivory-soft);
}

.page-contact .pc-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(28px, 4.6vw, 54px);
  max-width: 64ch;
}

.page-contact .pc-h2 {
  margin: 0;
  color: var(--felt);
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.page-contact .pc-head-note {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.95;
  color: var(--score);
  max-width: 36em;
}

/* ---------- 四项填写 ---------- */
.page-contact .pc-four-grid {
  display: grid;
  gap: clamp(28px, 5vw, 58px);
  align-items: start;
}

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

.page-contact .pc-fold {
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  background: var(--ivory);
  box-shadow: 5px 5px 0 rgba(14, 46, 38, 0.85);
  overflow: hidden;
}

.page-contact .pc-fold > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  background: var(--ivory);
}

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

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

.page-contact .pc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .pc-fname {
  flex: none;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--felt);
}

.page-contact .pc-fhint {
  display: none;
  font-size: 0.82rem;
  color: var(--score);
  letter-spacing: 0.02em;
}

.page-contact .pc-fold > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--chip);
}

.page-contact .pc-fold[open] > summary::after {
  content: "−";
}

.page-contact .pc-fold-body {
  padding: 14px 18px 20px;
  border-top: 1px solid var(--paper-line);
  background: var(--ivory);
}

.page-contact .pc-fold-body p:not(.pc-write) {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .pc-fold-body p.pc-write {
  margin: 0;
  padding: 12px 14px;
  background: var(--ivory-soft);
  border-left: 3px solid var(--gold);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-fold-body a {
  color: var(--chip);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-second {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-second img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 620;
  object-fit: cover;
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-second-cap {
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--score);
}

/* ---------- 提交之后 ---------- */
.page-contact .pc-flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .pc-flow-item {
  display: grid;
  gap: 8px;
  padding: 22px 20px 24px;
  background: var(--ivory);
  border: 2px solid var(--felt);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 rgba(14, 46, 38, 0.85);
}

.page-contact .pc-flow-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--chip);
}

.page-contact .pc-flow-item h3 {
  margin: 0;
  font-size: 1.04rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--felt);
}

.page-contact .pc-flow-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--score);
}

.page-contact .pc-flow-note {
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--paper-line);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--score);
}

/* ---------- 自查清单 ---------- */
.page-contact .pc-self {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

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

.page-contact .pc-check-item label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: var(--ivory);
  border: 2px solid var(--paper-line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.page-contact .pc-check-item label:hover {
  border-color: var(--felt);
}

.page-contact .pc-check-item label:has(.pc-check-box:checked) {
  border-color: var(--status);
}

.page-contact .pc-check-box {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  position: relative;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  background: var(--ivory);
  border: 2px solid var(--felt);
  border-radius: 2px;
  cursor: pointer;
}

.page-contact .pc-check-box:checked {
  background: var(--status);
  border-color: var(--status);
}

.page-contact .pc-check-box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--ivory);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

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

.page-contact .pc-check-body {
  display: block;
  min-width: 0;
}

.page-contact .pc-check-name {
  display: block;
  margin-bottom: 4px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--felt);
  letter-spacing: 0.02em;
}

.page-contact .pc-check-desc {
  display: block;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--score);
}

.page-contact .pc-check-desc a,
.page-contact .pc-check-result a {
  color: var(--chip);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-check-result {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  padding: 16px 18px;
  background: var(--ivory);
  border-left: 4px solid var(--paper-line);
  border-radius: 2px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--score);
  transition: border-color 0.24s ease, color 0.24s ease;
}

.page-contact .pc-check-result::before {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--score);
}

.page-contact .pc-self:has(.pc-check-box:checked):not(:has(.pc-check-box:not(:checked))) .pc-check-result {
  border-left-color: var(--status);
  color: var(--ink);
}

.page-contact .pc-self:has(.pc-check-box:checked):not(:has(.pc-check-box:not(:checked))) .pc-check-result::before {
  content: "✓";
  color: var(--status);
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channels {
  padding-block: var(--pc-block);
  background-color: var(--felt);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 34px,
    rgba(255, 249, 236, 0.045) 34px 35px
  );
  color: var(--lamp);
}

.page-contact .pc-chan-grid {
  display: grid;
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}

.page-contact .pc-chan-intro {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .pc-channels .pc-h2 {
  color: var(--lamp);
}

.page-contact .pc-chan-intro p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.95;
  color: rgba(255, 249, 236, 0.78);
  max-width: 32em;
}

.page-contact .pc-chan-intro p.pc-chan-note {
  padding-top: 14px;
  border-top: 1px solid var(--felt-line);
  font-size: 0.88rem;
  color: rgba(255, 249, 236, 0.68);
}

.page-contact .pc-chan-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  background: var(--felt-2);
  border: 2px solid var(--felt-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-dark);
  overflow: hidden;
}

.page-contact .pc-chan-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 18px clamp(14px, 2.4vw, 26px);
  border-bottom: 1px solid var(--felt-line);
}

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

.page-contact .pc-chan-main {
  flex: 1 1 220px;
  min-width: 0;
  display: grid;
  gap: 5px;
}

.page-contact .pc-chan-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .pc-chan-value {
  font-family: var(--font-mono);
  font-size: clamp(0.88rem, 2.4vw, 1.04rem);
  letter-spacing: 0.02em;
  color: var(--lamp);
  overflow-wrap: anywhere;
}

.page-contact .pc-copy {
  flex: none;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  background: transparent;
  color: var(--lamp);
  border: 2px solid var(--chip);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-contact .pc-copy:hover {
  background: var(--chip);
  color: var(--ivory);
  transform: translate(-2px, -2px);
}

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

.page-contact .pc-copy-status {
  flex: 1 1 100%;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--status-on-dark);
}

.page-contact .pc-chan-foot {
  margin: clamp(26px, 4vw, 42px) 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(255, 249, 236, 0.68);
}

.page-contact .pc-chan-foot a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .pc-fhint {
    display: block;
    margin-left: auto;
  }
  .page-contact .pc-fold > summary::after {
    margin-left: 12px;
  }
}

@media (min-width: 720px) {
  .page-contact .pc-flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
  }
  .page-contact .pc-check-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .pc-check-item label {
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-four-grid {
    grid-template-columns: minmax(0, 64fr) minmax(0, 36fr);
  }
}

@media (min-width: 940px) {
  .page-contact .pc-chan-grid {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .pc-flow-item:nth-child(even) {
    margin-top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-copy,
  .page-contact .pc-check-item label,
  .page-contact .pc-check-result {
    transition: none;
  }
  .page-contact .pc-copy:hover {
    transform: none;
  }
}
<<<END>>>