.page-contact {
  --pc-glow: 0 0 0 1px rgba(34, 231, 192, .28), 0 22px 60px rgba(3, 8, 18, .6);
  --pc-glow-soft: 0 0 0 1px rgba(154, 174, 199, .14), 0 12px 32px rgba(3, 8, 18, .42);
  --pc-inner-w: 1120px;
  --pc-section-pad: 56px;
}

/* ---- 首屏 ---- */
.page-contact .pc-hero {
  position: relative;
  padding: 96px 0 40px;
  overflow: hidden;
  isolation: isolate;
}

.page-contact .pc-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  margin: 0;
  opacity: .38;
  pointer-events: none;
}

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

.page-contact .pc-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 82% -10%, rgba(34, 231, 192, .18) 0%, rgba(7, 14, 28, 0) 55%),
    radial-gradient(90% 60% at 10% 110%, rgba(255, 91, 46, .16) 0%, rgba(7, 14, 28, 0) 60%),
    linear-gradient(180deg, rgba(7, 14, 28, .55) 0%, rgba(7, 14, 28, .86) 55%, var(--ag-ink) 100%);
}

.page-contact .pc-hero__inner {
  position: relative;
}

.page-contact .pc-hero__code {
  margin: 26px 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ag-cyan);
  text-transform: uppercase;
}

.page-contact .pc-hero__title {
  margin: 0;
  font-family: var(--ag-font-display);
  font-size: clamp(40px, 8vw, 64px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--ag-white);
}

.page-contact .pc-hero__lede {
  max-width: 38em;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ag-text);
}

/* ---- 主分栏 ---- */
.page-contact .pc-hub {
  padding: var(--pc-section-pad) 0;
}

.page-contact .pc-hub__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-hub__main {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}

/* ---- 左侧联系卡片浮岛 ---- */
.page-contact .pc-reach__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-contact .pc-reach__num,
.page-contact .pc-route__num,
.page-contact .pc-prep__num,
.page-contact .pc-cadence__num,
.page-contact .pc-coop__num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ag-cyan);
}

.page-contact .pc-reach__title,
.page-contact .pc-route__title,
.page-contact .pc-prep__title,
.page-contact .pc-cadence__title,
.page-contact .pc-coop__title {
  margin: 0;
  font-family: var(--ag-font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 32px);
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--ag-white);
}

.page-contact .pc-vcard {
  position: relative;
  padding: 22px 22px 12px;
  border-radius: var(--ag-radius-lg);
  background:
    linear-gradient(180deg, rgba(14, 27, 51, .94) 0%, rgba(11, 23, 48, .88) 100%);
  border: 1px solid var(--ag-edge);
  box-shadow: var(--pc-glow);
  overflow: hidden;
}

.page-contact .pc-vcard::before {
  content: "附上版本号与发生时段，回复更快";
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--ag-font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  padding: 4px 10px;
  border-radius: var(--ag-radius-pill);
  background: rgba(34, 231, 192, .12);
  border: 1px solid var(--ag-edge);
  color: var(--ag-cyan);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .28s ease, transform .28s ease;
  pointer-events: none;
  white-space: nowrap;
}

.page-contact .pc-vcard:hover::before,
.page-contact .pc-vcard:focus-within::before {
  opacity: 1;
  transform: translateY(0);
}

.page-contact .pc-vcard::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(34, 231, 192, .16) 0%, rgba(34, 231, 192, 0) 70%);
  pointer-events: none;
}

.page-contact .pc-vcard__row {
  display: grid;
  gap: 4px;
  padding: 14px 0 15px;
  border-bottom: 1px dashed rgba(154, 174, 199, .14);
}

.page-contact .pc-vcard__row:last-child {
  border-bottom: none;
}

.page-contact .pc-vcard__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ag-muted);
  text-transform: uppercase;
}

.page-contact .pc-vcard__value {
  font-size: 16px;
  color: var(--ag-text);
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-vcard__value--heat {
  font-size: 22px;
  font-weight: 700;
  color: var(--ag-orange);
  letter-spacing: .02em;
}

.page-contact .pc-vcard__hint {
  font-size: 13px;
  color: var(--ag-muted);
  line-height: 1.6;
}

/* ---- 分流说明 ---- */
.page-contact .pc-route__head,
.page-contact .pc-prep__head {
  margin-bottom: 18px;
}

.page-contact .pc-route__desc,
.page-contact .pc-prep__desc,
.page-contact .pc-cadence__desc {
  max-width: 42em;
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ag-muted);
}

.page-contact .pc-route__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-route__item {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: var(--ag-radius);
  background: var(--ag-panel);
  border: 1px solid rgba(154, 174, 199, .14);
  text-decoration: none;
  color: inherit;
  transition: border-color .28s ease, transform .28s ease, box-shadow .28s ease, background-color .28s ease;
}

.page-contact .pc-route__item:hover,
.page-contact .pc-route__item:focus-visible {
  border-color: var(--ag-edge);
  transform: translateY(-2px);
  box-shadow: var(--pc-glow-soft);
  background: var(--ag-panel-2);
}

.page-contact .pc-route__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ag-muted);
  text-transform: uppercase;
}

.page-contact .pc-route__tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--ag-cyan);
}

.page-contact .pc-route__tag--heat::before {
  background: var(--ag-orange);
}

.page-contact .pc-route__item-title {
  font-family: var(--ag-font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ag-white);
}

.page-contact .pc-route__item-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ag-muted);
}

.page-contact .pc-route__media {
  margin-top: 22px;
}

.page-contact .pc-route__media .ag-media__frame {
  border-radius: var(--ag-radius);
  border: 1px solid rgba(154, 174, 199, .14);
  overflow: hidden;
  background: var(--ag-panel-2);
}

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

/* ---- 准备清单 ---- */
.page-contact .pc-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--ag-radius);
  background: linear-gradient(180deg, rgba(14, 27, 51, .7), rgba(11, 23, 48, .55));
  border: 1px solid rgba(154, 174, 199, .14);
}

.page-contact .pc-prep__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ag-cyan);
  background: rgba(34, 231, 192, .1);
  border: 1px solid var(--ag-edge);
}

.page-contact .pc-prep__body strong {
  display: block;
  font-family: var(--ag-font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--ag-white);
  margin-bottom: 4px;
}

.page-contact .pc-prep__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ag-muted);
}

/* ---- 响应节奏 ---- */
.page-contact .pc-cadence {
  padding: var(--pc-section-pad) 0;
  position: relative;
}

.page-contact .pc-cadence::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--ag-gutter);
  right: var(--ag-gutter);
  height: 1px;
  background: linear-gradient(90deg, rgba(34, 231, 192, 0) 0%, rgba(34, 231, 192, .35) 30%, rgba(255, 91, 46, .28) 70%, rgba(34, 231, 192, 0) 100%);
}

.page-contact .pc-cadence__head {
  margin-bottom: 22px;
}

.page-contact .pc-cadence__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
  counter-reset: cstep;
}

.page-contact .pc-cadence__step {
  position: relative;
  padding: 22px 18px 18px;
  border-radius: var(--ag-radius);
  background: rgba(14, 27, 51, .58);
  border: 1px solid rgba(154, 174, 199, .14);
}

.page-contact .pc-cadence__step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 18px;
  width: 36px;
  height: 2px;
  border-radius: 2px;
  background: var(--ag-cyan);
}

.page-contact .pc-cadence__step-num {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ag-orange);
  margin-bottom: 10px;
}

.page-contact .pc-cadence__step strong {
  display: block;
  font-family: var(--ag-font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--ag-white);
  margin-bottom: 6px;
}

.page-contact .pc-cadence__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ag-muted);
}

/* ---- 合作与建议 ---- */
.page-contact .pc-coop {
  padding: 0 0 72px;
}

.page-contact .pc-coop__inner {
  padding: 26px 22px;
  border-radius: var(--ag-radius-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(255, 91, 46, .12) 0%, rgba(7, 14, 28, 0) 55%),
    linear-gradient(140deg, rgba(14, 27, 51, .9) 0%, rgba(11, 23, 48, .78) 100%);
  border: 1px solid var(--ag-edge);
  box-shadow: var(--pc-glow-soft);
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-coop__text p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ag-text);
}

.page-contact .pc-coop__split {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-coop__col {
  padding: 16px 16px 18px;
  border-radius: var(--ag-radius);
  background: rgba(7, 14, 28, .5);
  border: 1px dashed rgba(34, 231, 192, .2);
}

.page-contact .pc-coop__label {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ag-cyan);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-contact .pc-coop__col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ag-muted);
}

/* ---- 焦点态 ---- */
.page-contact .pc-route__item:focus-visible {
  outline: 2px solid var(--ag-cyan);
  outline-offset: 3px;
}

/* ---- 中屏 ---- */
@media (min-width: 640px) {
  .page-contact {
    --pc-section-pad: 72px;
  }

  .page-contact .pc-hero {
    padding: 128px 0 56px;
  }

  .page-contact .pc-route__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-contact .pc-cadence__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .pc-coop__inner {
    padding: 32px 28px;
  }

  .page-contact .pc-coop__split {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ---- 桌面 ---- */
@media (min-width: 960px) {
  .page-contact {
    --pc-section-pad: 88px;
  }

  .page-contact .pc-hero {
    padding: 152px 0 72px;
  }

  .page-contact .pc-hub__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .pc-reach {
    position: sticky;
    top: 110px;
  }

  .page-contact .pc-cadence__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-coop__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    padding: 40px 36px;
    align-items: center;
  }

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

@media (min-width: 1024px) {
  .page-contact .pc-cadence {
    padding: 96px 0;
  }

  .page-contact .pc-coop {
    padding-bottom: 96px;
  }
}
</main>