.page-contact {
  --pc-glass: rgba(13, 42, 36, 0.94);
  --pc-hair: rgba(30, 59, 52, 0.9);
  --pc-soft: rgba(60, 242, 210, 0.06);
  background: var(--c-deep);
  color: var(--c-mute);
}

/* ============ 首屏 ============ */
.page-contact .pc-hero {
  position: relative;
  padding: 26px 0 38px;
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(110% 80% at 6% 0%, rgba(138, 123, 255, 0.2), transparent 62%),
    radial-gradient(80% 70% at 100% 8%, rgba(60, 242, 210, 0.12), transparent 66%),
    linear-gradient(180deg, var(--c-deep) 0%, var(--c-panel-2) 100%);
}

.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: 80px 80px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-contact .pc-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .crumbs {
  margin-bottom: 20px;
}

.page-contact .pc-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.page-contact .pc-hero h1 {
  margin: 14px 0 0;
  max-width: 21ch;
  font-size: clamp(31px, 5.6vw, 66px);
  font-weight: 800;
  line-height: 1.07;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-contact .pc-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mute);
}

.page-contact .pc-hero__facts {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .pc-hero__facts li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--c-mute);
}

.page-contact .pc-hero__fk {
  flex: none;
  padding: 2px 7px;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-anno);
}

.page-contact .pc-jump {
  margin-top: 26px;
  flex-wrap: wrap;
}

/* ============ 通道信息条 ============ */
.page-contact .pc-channels {
  background: var(--pc-glass);
  border-bottom: 1px solid var(--c-line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-contact .pc-channels__top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .pc-channels__cap {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-anno);
}

.page-contact .pc-lamp {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 9px;
  background: var(--c-up);
  box-shadow: 0 0 0 3px rgba(31, 185, 138, 0.16), 0 0 12px rgba(60, 242, 210, 0.55);
  animation: pc-pulse 2.6s var(--ease) infinite;
}

@keyframes pc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.42; }
}

.page-contact .pc-channels__grid {
  display: grid;
 }

.page-contact .pc-ch {
  padding: 18px 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .pc-ch:first-child {
  border-top: 0;
}

.page-contact .pc-ch__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--c-anno);
  text-transform: uppercase;
}

.page-contact .pc-ch__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--c-white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-ch__v--addr {
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 0;
}

.page-contact .pc-ch__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-mute);
}

/* ============ 横幅信息图 ============ */
.page-contact .pc-banner {
  margin: 0;
  border-bottom: 1px solid var(--c-line);
  background: var(--c-panel-2);
}

.page-contact .pc-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ============ 场景区 ============ */
.page-contact .pc-main {
  padding: 8px 0 56px;
}

.page-contact .pc-scene {
  padding: 40px 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .pc-scene:first-child {
  border-top: 0;
}

.page-contact .pc-scene__head {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .pc-scene__no {
  margin: 0;
  padding-top: 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
}

.page-contact .pc-scene__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-contact .pc-scene__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mute);
}

.page-contact .pc-scene__grid {
  margin-top: 24px;
  display: grid;
  gap: 26px;
}

.page-contact .pc-col {
  padding-left: 16px;
  border-left: 1px solid var(--c-line);
}

.page-contact .pc-sub {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.page-contact .pc-sub--gap {
  margin-top: 26px;
}

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

.page-contact .pc-ask__item {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 11px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--pc-hair);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .pc-ask__item::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border: 1px solid var(--c-cyan);
  background: rgba(60, 242, 210, 0.14);
}

.page-contact .pc-ask--plain .pc-ask__item::before {
  border-color: var(--c-anno);
  background: transparent;
}

.page-contact .pc-ask__k {
  display: block;
  font-weight: 700;
  color: var(--c-white);
}

.page-contact .pc-ask__v {
  display: block;
  color: var(--c-mute);
}

.page-contact .pc-ask__k + .pc-ask__v {
  margin-top: 3px;
}

.page-contact .pc-note {
  margin: 20px 0 0;
  padding: 13px 15px;
  border-left: 2px solid var(--c-amber);
  background: var(--c-panel);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-mute);
}

/* ============ 合作区 ============ */
.page-contact .pc-scene--coop {
  background:
    linear-gradient(180deg, rgba(138, 123, 255, 0.07), transparent 70%);
}

.page-contact .pc-coop {
  margin-top: 24px;
  display: grid;
  gap: 26px;
}

.page-contact .pc-coop__img {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-panel-2);
}

.page-contact .pc-coop__img img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

/* ============ 内部引导 ============ */
.page-contact .pc-next {
  margin-top: 48px;
  padding-top: 34px;
  border-top: 1px solid var(--c-line);
}

.page-contact .pc-next__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-white);
}

.page-contact .pc-next__lead {
  margin: 12px 0 22px;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mute);
}

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

.page-contact .pc-next__link {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 16px 6px;
  border-bottom: 1px solid var(--c-line);
  text-decoration: none;
  transition: background 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-contact .pc-next__link:hover,
.page-contact .pc-next__link:focus-visible {
  background: var(--pc-soft);
  padding-left: 14px;
}

.page-contact .pc-next__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-contact .pc-next__body {
  display: block;
}

.page-contact .pc-next__t {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-white);
}

.page-contact .pc-next__d {
  display: block;
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-anno);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-contact .pc-hero {
    padding: 34px 0 46px;
  }

  .page-contact .pc-hero__facts {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 22px;
    align-items: start;
  }

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

  .page-contact .pc-ch {
    padding: 20px 22px 20px 0;
  }

  .page-contact .pc-ch:nth-child(2) {
    border-top: 0;
    padding-left: 22px;
    border-left: 1px solid var(--c-line);
  }

  .page-contact .pc-ch:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .pc-ask__item {
    font-size: 14.5px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-scene__head {
    grid-template-columns: 76px 1fr;
    gap: 22px;
  }

  .page-contact .pc-scene__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 34px;
  }

  .page-contact .pc-coop {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-channels {
    position: sticky;
    top: 0;
    z-index: 30;
  }

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

  .page-contact .pc-ch {
    padding: 22px 26px 22px 0;
  }

  .page-contact .pc-ch:nth-child(2),
  .page-contact .pc-ch:nth-child(3) {
    border-top: 0;
    border-left: 1px solid var(--c-line);
    padding-left: 26px;
  }

  .page-contact .pc-main {
    padding-bottom: 72px;
  }

  .page-contact .pc-scene {
    padding: 54px 0;
  }

  .page-contact .pc-scene__grid {
    margin-top: 30px;
  }

  .page-contact .pc-banner img {
    aspect-ratio: 12 / 5.2;
  }
}

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

  .page-contact .pc-next__link {
    transition: none;
  }
}