.page-contact {
  --pc-hair: rgba(42, 52, 66, 0.72);
  display: block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  overflow-x: hidden;
}

.page-contact .pc-inner {
  width: 100%;
  max-width: var(--content);
  margin-inline: auto;
}

.page-contact .pc-section {
  position: relative;
  padding: clamp(44px, 7vw, 92px) var(--gutter);
  border-top: 1px solid var(--line);
}

.page-contact a:focus-visible,
.page-contact .pc-tabs__label:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(18px, 4vw, 30px) var(--gutter) clamp(44px, 7vw, 84px);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pc-hair) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-hair) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 92% at 18% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(120% 92% at 18% 0%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-contact .pc-crumb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: clamp(22px, 4vw, 38px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-contact .pc-crumb .breadcrumb__link {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .pc-crumb .breadcrumb__link:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-contact .pc-crumb .breadcrumb__current {
  color: var(--orange);
}

.page-contact .pc-crumb__sep {
  color: var(--steel);
}

.page-contact .pc-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact h1 {
  margin: 12px 0 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 7.4vw, 66px);
  line-height: 0.98;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .pc-hero__lead {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-window {
  margin-top: clamp(22px, 4vw, 34px);
  display: grid;
  gap: 6px;
  padding: clamp(18px, 3vw, 26px) clamp(18px, 3vw, 28px);
  border-left: 4px solid var(--orange);
  background: linear-gradient(100deg, rgba(255, 90, 31, 0.16), rgba(255, 90, 31, 0) 72%);
}

.page-contact .pc-window__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .pc-window__time {
  font-family: var(--mono);
  font-size: clamp(28px, 7vw, 52px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-window__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .pc-hero__card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--ink-2);
  border: 2px solid var(--line);
  box-shadow: var(--hard-shadow);
}

.page-contact .pc-hero__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-bottom: 2px solid var(--line);
}

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.86;
}

.page-contact .pc-hero__card-body {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px);
}

.page-contact .pc-hero__card-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-mail {
  font-family: var(--mono);
  font-size: clamp(13px, 2.7vw, 16px);
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--orange);
  word-break: break-all;
  transition: color 0.16s ease;
}

.page-contact .pc-mail:hover {
  color: var(--orange);
}

.page-contact .pc-tel {
  font-family: var(--mono);
  font-size: clamp(22px, 5.4vw, 30px);
  letter-spacing: 0.02em;
  color: var(--paper);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: color 0.16s ease;
}

.page-contact .pc-tel:hover {
  color: var(--cyan);
}

.page-contact .pc-hero__card-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 通用标题 ---------- */
.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(25px, 4.6vw, 42px);
  line-height: 1.08;
  color: var(--paper);
}

.page-contact .pc-head__sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 联系路径 ---------- */
.page-contact .pc-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-contact .pc-channel {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-channel__idx {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-contact .pc-channel__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .pc-channel__text {
  margin: 6px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-channel__value {
  justify-self: start;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--orange);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px dashed rgba(255, 90, 31, 0.5);
  word-break: break-all;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .pc-channel__value:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .pc-channel__value--text {
  color: var(--paper);
  border-bottom: 0;
  letter-spacing: 0.02em;
}

/* ---------- 响应节奏 ---------- */
.page-contact .pc-response {
  background: var(--ink-2);
}

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

.page-contact .pc-response__big {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: clamp(32px, 8vw, 62px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-response__big-label {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fog);
}

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

.page-contact .pc-response__list li {
  position: relative;
  padding: 15px 0 15px 18px;
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--pc-hair);
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-response__list li:first-child {
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-response__list strong {
  margin-right: 6px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 合作标签 ---------- */
.page-contact .pc-tabs {
  position: relative;
}

.page-contact .pc-tabs__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pc-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-contact .pc-tabs__label {
  cursor: pointer;
  padding: 10px 16px;
  border: 2px solid var(--line);
  background: var(--ink-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fog);
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-contact .pc-tabs__label:hover {
  color: var(--paper);
  border-color: var(--steel);
}

.page-contact .pc-tabs__panel {
  display: none;
  padding: clamp(18px, 3vw, 32px);
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
  background: var(--ink-2);
}

.page-contact .pc-tabs__panel h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(20px, 3.6vw, 28px);
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .pc-tabs__panel ul {
  margin: 14px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-tabs__panel li + li {
  margin-top: 6px;
}

.page-contact .pc-tabs__panel p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact #pc-coop-1:checked ~ .pc-tabs__panels #pc-panel-1,
.page-contact #pc-coop-2:checked ~ .pc-tabs__panels #pc-panel-2,
.page-contact #pc-coop-3:checked ~ .pc-tabs__panels #pc-panel-3 {
  display: block;
}

.page-contact #pc-coop-1:checked ~ .pc-tabs__labels [for="pc-coop-1"],
.page-contact #pc-coop-2:checked ~ .pc-tabs__labels [for="pc-coop-2"],
.page-contact #pc-coop-3:checked ~ .pc-tabs__labels [for="pc-coop-3"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 来信准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

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

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-prep__item:first-child {
  border-top: 2px solid var(--line);
}

.page-contact .pc-prep__idx {
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .pc-prep__item h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-prep__item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 办公地点 ---------- */
.page-contact .pc-addr {
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .pc-addr__media {
  position: absolute;
  inset: 0;
}

.page-contact .pc-addr__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-contact .pc-addr__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 17, 22, 0.55), rgba(14, 17, 22, 0.94));
}

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

.page-contact .pc-addr__text {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-addr__card {
  padding: clamp(20px, 3vw, 30px);
  border: 2px solid var(--line);
  background: rgba(21, 26, 34, 0.9);
  box-shadow: var(--hard-shadow);
}

.page-contact .pc-addr__label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-addr__value {
  margin: 10px 0 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(19px, 3.4vw, 26px);
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .pc-addr__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 自助入口 ---------- */
.page-contact .pc-links {
  display: grid;
  gap: 14px;
}

.page-contact .pc-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 3vw, 26px);
  border: 2px solid var(--line);
  background: var(--ink-2);
  text-decoration: none;
  transition: transform 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-contact .pc-link:hover {
  transform: translateY(-3px);
  border-color: var(--orange);
  background: #191f28;
}

.page-contact .pc-link__idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-link h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 26px);
  color: var(--paper);
}

.page-contact .pc-link p {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .pc-link__go {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  transition: color 0.16s ease;
}

.page-contact .pc-link:hover .pc-link__go {
  color: var(--cyan);
}

.page-contact .pc-help-tail {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .pc-help-tail a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  word-break: break-all;
}

.page-contact .pc-help-tail a:hover {
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-channel__value {
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-channel {
    grid-template-columns: 56px minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: clamp(16px, 3vw, 36px);
  }

  .page-contact .pc-channel__value {
    justify-self: end;
    text-align: right;
  }

  .page-contact .pc-response__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-contact .pc-addr__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-link,
  .page-contact .pc-tabs__label,
  .page-contact .pc-mail,
  .page-contact .pc-tel,
  .page-contact .pc-channel__value {
    transition: none;
  }

  .page-contact .pc-link:hover {
    transform: none;
  }
}