.page-contact {
  --pc-gap: clamp(1rem, 2.4vw, 2rem);
  --pc-pad: clamp(1.35rem, 2.8vw, 2.25rem);
  --pc-slant: 22px;
  padding-bottom: clamp(2.5rem, 5vw, 5rem);
}

.page-contact .pc-crumb {
  padding-top: clamp(1rem, 2.4vw, 1.75rem);
  padding-bottom: clamp(0.5rem, 1.4vw, 1rem);
}

.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .pc-hero {
  padding-top: clamp(1.25rem, 2.6vw, 2rem);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: start;
}

.page-contact .pc-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 7.4vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0.5rem 0 1rem;
  max-width: 16ch;
}

.page-contact .pc-hero__copy .lead {
  max-width: 46ch;
  color: var(--ink);
  opacity: 0.88;
}

.page-contact .pc-hero__actions {
  margin-top: clamp(1.25rem, 2.6vw, 1.85rem);
  gap: 0.7rem;
  flex-wrap: wrap;
}

.page-contact .pc-hero__facts {
  list-style: none;
  margin: clamp(1.75rem, 3.4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  border-top: 1px solid var(--line);
  padding-top: clamp(1rem, 2vw, 1.4rem);
}

.page-contact .pc-fact {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-contact .pc-fact__num {
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  font-weight: 600;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .pc-fact__txt {
  font-size: 0.8rem;
  color: var(--ink-2);
  line-height: 1.5;
}

.page-contact .pc-hero__card {
  position: relative;
  background: linear-gradient(160deg, var(--green-900) 0%, var(--green-700) 100%);
  border: 1px solid var(--line);
  padding: var(--pc-pad);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-slant)), calc(100% - var(--pc-slant)) 100%, 0 100%);
}

.page-contact .pc-hero__card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--signal) 38%, var(--gold) 38%, var(--gold) 62%, var(--cyan) 62%, var(--cyan) 100%);
}

.page-contact .pc-card__kicker {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  margin: 0 0 1.1rem;
}

.page-contact .pc-channels {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .pc-channels__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-channels__row:first-child {
  padding-top: 0;
}

.page-contact .pc-channels__key {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

.page-contact .pc-channels__val {
  margin: 0;
  font-size: 1.02rem;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .pc-contact-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 240, 208, 0.45);
  font-weight: 600;
}

.page-contact .pc-contact-link:hover,
.page-contact .pc-contact-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-contact .pc-contact-link.mono {
  font-size: 1.12rem;
  letter-spacing: 0.02em;
}

.page-contact .pc-hero__note {
  margin: 1.15rem 0 0;
  font-size: 0.86rem;
  color: var(--ink-2);
  line-height: 1.7;
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-coop__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

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

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

.page-contact .pc-tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.6rem;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-tab {
  flex: 0 0 auto;
  background: var(--glass);
  color: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-contact .pc-tab:hover,
.page-contact .pc-tab:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
}

.page-contact .pc-tab[aria-selected="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--carbon);
}

.page-contact .pc-tabs__panels {
  padding-top: clamp(1.25rem, 2.6vw, 2rem);
}

.page-contact .pc-tabpanel {
  max-width: 68ch;
}

.page-contact .pc-tabpanel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 8px;
}

.page-contact .pc-tabpanel__title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 0 0 0.7rem;
  color: var(--ink);
}

.page-contact .pc-tabpanel p {
  color: var(--ink);
  opacity: 0.86;
  margin: 0 0 1rem;
}

.page-contact .pc-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .pc-points li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.94rem;
  color: var(--ink-2);
  line-height: 1.75;
}

.page-contact .pc-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .pc-points strong {
  color: var(--ink);
  font-weight: 600;
  margin-right: 0.35em;
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.2vw, 1.5rem);
}

.page-contact .pc-channel__card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--pc-pad);
}

.page-contact .pc-channel__value {
  font-size: clamp(1.1rem, 3.4vw, 1.4rem);
  color: var(--cyan);
  letter-spacing: 0.01em;
  margin: 0.15rem 0 0.35rem;
  word-break: break-word;
}

.page-contact .pc-channel__card.card--signal .pc-channel__value {
  color: var(--signal);
}

.page-contact .pc-channel__card .card__body {
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ---------- 响应流程 ---------- */
.page-contact .pc-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-flow__step {
  background: var(--carbon);
  padding: clamp(1.25rem, 2.6vw, 1.9rem) clamp(1rem, 2vw, 1.4rem);
  position: relative;
}

.page-contact .pc-flow__num {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--signal);
  margin-bottom: 0.65rem;
}

.page-contact .pc-flow__title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.page-contact .pc-flow__step p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-2);
  line-height: 1.8;
}

/* ---------- 云南内容中心 ---------- */
.page-contact .pc-yunnan__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.2vw, 2.75rem);
  align-items: center;
}

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

.page-contact .pc-yunnan__copy .section__title {
  font-size: clamp(1.6rem, 4.2vw, 2.4rem);
  margin: 0.5rem 0 0.9rem;
  max-width: 20ch;
}

.page-contact .pc-yunnan__copy p {
  color: var(--ink);
  opacity: 0.86;
  max-width: 46ch;
  margin: 0 0 0.9rem;
}

.page-contact .pc-address {
  display: grid;
  gap: 0.35rem;
  font-style: normal;
  margin: clamp(1.25rem, 2.4vw, 1.75rem) 0 0;
  padding: 1rem 1.1rem;
  background: var(--glass);
  border-left: 3px solid var(--earth);
}

.page-contact .pc-address__label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .pc-address__value {
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.7;
}

.page-contact .pc-yunnan__hint {
  margin-top: 1rem;
  font-size: 0.86rem;
}

/* ---------- 备案与法律 ---------- */
.page-contact .pc-legal__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 2.6vw, 2rem);
  align-items: start;
  padding-top: clamp(1.25rem, 2.6vw, 2rem);
  border-top: 1px solid var(--line);
}

.page-contact .pc-legal__intro .section__title {
  font-size: clamp(1.4rem, 3.6vw, 1.9rem);
  margin: 0.45rem 0 0.7rem;
}

.page-contact .pc-legal__intro .muted {
  max-width: 44ch;
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-contact .pc-legal__panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  background: var(--glass);
  border: 1px solid var(--line-soft);
}

.page-contact .pc-legal__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
}

.page-contact .pc-legal__label {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--ink-2);
}

.page-contact .pc-legal__value {
  font-size: 0.96rem;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-contact .pc-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-channels__row {
    grid-template-columns: 8.5rem 1fr;
    align-items: baseline;
    gap: 0.9rem;
  }

  .page-contact .pc-channel__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-channel__card:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .pc-hero__card {
    margin-top: 0.5rem;
  }

  .page-contact .pc-coop__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(1.75rem, 3.5vw, 3rem);
  }

  .page-contact .pc-coop__media {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

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

  .page-contact .pc-channel__card:last-child {
    grid-column: auto;
  }

  .page-contact .pc-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-flow__step + .pc-flow__step::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 10px;
    height: 2px;
    background: var(--signal);
    transform: translate(-50%, -50%);
    z-index: 2;
  }

  .page-contact .pc-yunnan__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .pc-legal__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-hero__facts {
    gap: 1.5rem;
  }

  .page-contact .pc-fact {
    border-left: 1px solid var(--line-soft);
    padding-left: 1rem;
  }

  .page-contact .pc-fact:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

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