.page-contact {
  --pc-line: var(--line-on-paper);
  --pc-line-strong: rgba(11, 43, 35, 0.22);
  --pc-pad-y: clamp(44px, 7vw, 88px);
  background: var(--paper);
  color: var(--charcoal);
  overflow-x: clip;
}

.page-contact a:focus-visible,
.page-contact input:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--fluoro);
  outline-offset: 3px;
}

.page-contact .pc-hero {
  position: relative;
  padding: clamp(20px, 4vw, 34px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(24px, 4vw, 44px);
}

.page-contact .pc-hero__main {
  min-width: 0;
}

.page-contact .pc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--deep-fern);
}

.page-contact .pc-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
}

.page-contact .pc-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-contact .pc-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.8;
  color: var(--charcoal);
  opacity: 0.86;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-index {
  border-top: 1px solid var(--charcoal);
  padding-top: 14px;
  min-width: 0;
}

.page-contact .pc-index__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--rock);
}

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

.page-contact .pc-index__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--pc-line);
  font-size: 15px;
  color: var(--charcoal);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-contact .pc-index__link:hover {
  color: var(--signal);
  padding-left: 6px;
}

.page-contact .pc-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--terracotta);
}

.page-contact .pc-section {
  padding: var(--pc-pad-y) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-section:last-of-type {
  border-bottom: 0;
}

.page-contact .chapter-mark {
  margin-bottom: clamp(12px, 2vw, 20px);
}

.page-contact .pc-head {
  display: grid;
  gap: 12px;
  max-width: 64ch;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-contact .pc-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-contact .pc-head p {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--rock);
}

/* 渠道 */
.page-contact .pc-channel-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .pc-channels {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  min-width: 0;
}

.page-contact .pc-channel {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--pc-line);
  background: var(--paper);
  box-shadow: 0 0 1px rgba(11, 43, 35, 0.3);
}

.page-contact .pc-channel--mail {
  border-left: 3px solid var(--signal);
}

.page-contact .pc-channel--phone {
  border-left: 3px solid var(--deep-fern);
}

.page-contact .pc-channel__type {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-contact .pc-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-contact .pc-dot--signal {
  background: var(--signal);
}

.page-contact .pc-dot--fluoro {
  background: var(--fluoro);
  box-shadow: 0 0 0 3px rgba(46, 211, 192, 0.18);
}

.page-contact .pc-channel h3 {
  margin: 0 0 14px;
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.32;
}

.page-contact .pc-channel__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .pc-channel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--charcoal);
  opacity: 0.84;
}

.page-contact .pc-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--terracotta);
}

.page-contact .pc-channel__addr {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(11, 43, 35, 0.18);
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.7vw, 15px);
  letter-spacing: 0.01em;
  color: var(--deep-fern);
  word-break: break-word;
}

.page-contact .pc-channel__figure {
  margin: 0;
  min-width: 0;
}

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

.page-contact .media-frame__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--rock);
}

/* 清单 */
.page-contact .pc-sheet {
  padding: clamp(16px, 3vw, 34px);
  border: 1px solid var(--pc-line-strong);
  background: var(--mist);
}

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

.page-contact .pc-check {
  border-bottom: 1px dashed rgba(11, 43, 35, 0.18);
}

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

.page-contact .pc-check__row {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(14px, 2.2vw, 20px) 0;
  cursor: pointer;
}

.page-contact .pc-check__box {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  border: 1px solid var(--rock);
  background: transparent;
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .pc-check__box:checked {
  background: var(--signal);
  border-color: var(--signal);
}

.page-contact .pc-check__box:checked::after {
  content: "✓";
  font-size: 13px;
  line-height: 1;
  color: var(--paper);
}

.page-contact .pc-check__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--terracotta);
}

.page-contact .pc-check__body {
  display: grid;
  gap: 5px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .pc-check__title {
  font-size: var(--step-2);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color 0.18s var(--ease);
}

.page-contact .pc-check__hint {
  color: var(--rock);
}

.page-contact .pc-check__box:checked ~ .pc-check__body .pc-check__title {
  color: var(--rock);
}

.page-contact .pc-check__hint a {
  color: var(--deep-fern);
  text-decoration: none;
  border-bottom: 1px solid var(--fluoro);
}

.page-contact .pc-check__hint a:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-contact .pc-sheet__foot {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(11, 43, 35, 0.18);
  font-size: 13px;
  line-height: 1.7;
  color: var(--deep-fern);
}

/* 流程 */
.page-contact .pc-flow__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .pc-step {
  position: relative;
  padding: 26px clamp(10px, 2vw, 24px) 24px 0;
  border-top: 1px solid var(--pc-line-strong);
  min-width: 0;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--terracotta);
  transition: transform 0.24s var(--ease), background 0.24s var(--ease);
}

.page-contact .pc-step:hover::before {
  transform: scale(1.7);
  background: var(--signal);
}

.page-contact .pc-step__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-contact .pc-step h3 {
  margin: 0 0 8px;
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.3;
}

.page-contact .pc-step p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--charcoal);
  opacity: 0.82;
}

.page-contact .pc-step__time {
  display: inline-block;
  padding-left: 8px;
  border-left: 2px solid var(--fluoro);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--deep-fern);
  opacity: 0.7;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .pc-step:hover .pc-step__time {
  opacity: 1;
  color: var(--signal);
  border-left-color: var(--signal);
}

/* 响应节奏 */
.page-contact .pc-pace {
  background: var(--ink-moss);
  color: var(--ink-1);
  border-bottom: 0;
}

.page-contact .pc-pace .chapter-mark__num {
  color: var(--signal);
}

.page-contact .pc-pace .chapter-mark__label {
  color: var(--ink-3);
}

.page-contact .pc-pace .pc-head h2 {
  color: var(--paper);
}

.page-contact .pc-pace .pc-head p {
  color: var(--ink-2);
}

.page-contact .pc-pace__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .pc-pace__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-on-ink);
}

.page-contact .pc-pace__stats li {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-on-ink);
}

.page-contact .pc-pace__time {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.8vw, 28px);
  letter-spacing: -0.01em;
  color: var(--fluoro);
}

.page-contact .pc-pace__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* 常见反馈 */
.page-contact .pc-folds {
  border-top: 1px solid var(--pc-line-strong);
}

.page-contact .pc-fold {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-fold .fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 0;
  text-align: left;
}

.page-contact .pc-fold__num {
  margin-right: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--terracotta);
}

.page-contact .pc-fold .fold__icon {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--deep-fern);
  transition: transform 0.22s var(--ease), color 0.22s var(--ease);
}

.page-contact .pc-fold[data-open="true"] .fold__icon {
  transform: rotate(45deg);
  color: var(--signal);
}

.page-contact .pc-fold .fold__inner {
  padding: 0 0 22px;
}

.page-contact .pc-fold .fold__inner p {
  margin: 0 0 10px;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--charcoal);
  opacity: 0.84;
}

.page-contact .pc-fold .fold__inner p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-fold .fold__inner a {
  color: var(--deep-fern);
  text-decoration: none;
  border-bottom: 1px solid var(--fluoro);
}

.page-contact .pc-fold .fold__inner a:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* 联系方式 */
.page-contact .pc-reach {
  border-bottom: 0;
}

.page-contact .pc-reach__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .pc-reach__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--charcoal);
  min-width: 0;
}

.page-contact .pc-reach__row {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-reach__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--rock);
}

.page-contact .pc-reach__value {
  font-family: var(--font-mono);
  font-size: clamp(17px, 3vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  word-break: break-word;
}

.page-contact .pc-reach__value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.2vw, 19px);
  line-height: 1.6;
}

.page-contact .pc-reach__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .pc-reach__meta {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(18px, 3vw, 28px);
  background: var(--mist);
  border-top: 2px solid var(--fluoro);
}

.page-contact .pc-reach__meta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--charcoal);
}

.page-contact .pc-reach__owner {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--deep-fern);
}

.page-contact .pc-reach__icp {
  display: inline-block;
  justify-self: start;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--fluoro);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--charcoal);
}

.page-contact .pc-reach__meta a {
  color: var(--deep-fern);
  text-decoration: none;
  border-bottom: 1px solid var(--fluoro);
}

.page-contact .pc-reach__meta a:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

@media (min-width: 780px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-step {
    padding-right: clamp(12px, 2vw, 22px);
  }
}

@media (min-width: 920px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: end;
  }

  .page-contact .pc-channel-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-channel--phone {
    margin-left: clamp(20px, 3vw, 44px);
  }

  .page-contact .pc-pace__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-reach__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}