.page-contact {
  --pc-line: rgba(255, 255, 255, 0.1);
  --pc-line-strong: rgba(5, 217, 232, 0.35);
  --pc-magenta: #ff2a6d;
  --pc-blue: #05d9e8;
  --pc-gold: #d4af37;
  --pc-bg: #0d0f1a;
  background: var(--pc-bg);
  overflow: hidden;
  font-family: var(--font-body);
}

/* ===== Hero 首屏 ===== */
.page-contact .pc-hero {
  position: relative;
  min-height: 420px;
  padding: 48px 0 40px;
  overflow: hidden;
  border-bottom: 1px solid var(--pc-line-strong);
}
.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.page-contact .pc-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.45) contrast(1.15) brightness(0.55);
}
.page-contact .pc-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    115deg,
    rgba(13, 15, 26, 0.96) 0%,
    rgba(13, 15, 26, 0.78) 42%,
    rgba(255, 42, 109, 0.12) 100%
  );
  pointer-events: none;
}
.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
}
.page-contact .pc-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 40px;
}
.page-contact .pc-hero__eyebrow {
  margin-bottom: 12px;
}
.page-contact .pc-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  max-width: 680px;
}
.page-contact .pc-hero__lead {
  max-width: 560px;
  margin: 0;
  color: var(--clr-gray);
  font-size: 0.9rem;
  line-height: 1.85;
}
.page-contact .pc-hero__aside {
  border-left: 2px solid var(--pc-blue);
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.page-contact .pc-hero__about {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line);
  text-decoration: none;
}
.page-contact .pc-hero__about-title {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--clr-gold);
  margin-bottom: 6px;
}
.page-contact .pc-hero__about-desc {
  display: block;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--clr-white);
}
.page-contact .pc-hero__hint {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--clr-gray);
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    min-height: 500px;
    padding: 64px 0 56px;
  }
  .page-contact .pc-hero__grid {
    grid-template-columns: 1.6fr 0.9fr;
    align-items: end;
    gap: 60px;
    margin-top: 56px;
  }
  .page-contact .pc-hero__aside {
    justify-self: end;
    width: 100%;
  }
}

/* ===== 联系方式 ===== */
.page-contact .pc-channels {
  padding: 72px 0 48px;
  background: linear-gradient(180deg, var(--pc-bg) 0%, var(--clr-bg-secondary) 130%);
}
.page-contact .pc-channels__head {
  margin-bottom: 32px;
}
.page-contact .pc-channels__head h2 {
  margin-bottom: 10px;
}
.page-contact .pc-channels__head .section-subtitle {
  max-width: 640px;
}
.page-contact .pc-channel-list {
  border-top: 1px solid var(--pc-line-strong);
}
.page-contact .pc-channel-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px 18px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-line);
  transition: padding-left 0.25s ease, background 0.25s ease;
}
.page-contact .pc-channel-row__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--pc-line-strong);
  background: rgba(5, 217, 232, 0.06);
  color: var(--pc-blue);
  border-radius: 2px;
}
.page-contact .pc-channel-row__icon svg {
  display: block;
}
.page-contact .pc-channel-row__body {
  min-width: 0;
}
.page-contact .pc-channel-row__label {
  margin: 0 0 6px;
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-gray);
}
.page-contact .pc-channel-row__value {
  display: inline-block;
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2.3vw, 1.4rem);
  font-weight: 700;
  color: var(--clr-white);
  text-decoration: none;
  line-height: 1.4;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}
.page-contact .pc-channel-row__value:hover {
  color: var(--pc-blue);
  text-shadow: 0 0 18px rgba(5, 217, 232, 0.45);
}
.page-contact .pc-channel-row__value--break {
  word-break: break-all;
  overflow-wrap: anywhere;
}
.page-contact .pc-channel-row__value--text {
  font-weight: 400;
}
.page-contact .pc-channel-row__note {
  margin: 8px 0 0;
  color: var(--clr-gray);
  font-size: 0.82rem;
  line-height: 1.65;
  max-width: 560px;
}
.page-contact .pc-channel-row__meta {
  display: none;
  align-self: center;
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--pc-magenta);
  border: 1px solid rgba(255, 42, 109, 0.45);
  padding: 5px 10px;
  white-space: nowrap;
}

@media (min-width: 720px) {
  .page-contact .pc-channels {
    padding: 96px 0 64px;
  }
  .page-contact .pc-channel-row {
    grid-template-columns: 72px 1fr auto;
    align-items: center;
    gap: 20px 28px;
    padding: 32px 10px;
  }
  .page-contact .pc-channel-row:hover {
    padding-left: 28px;
    background: rgba(5, 217, 232, 0.03);
  }
  .page-contact .pc-channel-row__icon {
    width: 60px;
    height: 60px;
  }
  .page-contact .pc-channel-row__meta {
    display: inline-block;
  }
}

/* ===== 合作意向 ===== */
.page-contact .pc-coop {
  padding: 56px 0 40px;
}
.page-contact .pc-coop__panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 34px 24px 30px;
  border: 1px solid var(--pc-line-strong);
  background: linear-gradient(
    135deg,
    rgba(26, 28, 46, 0.92) 0%,
    rgba(13, 15, 26, 0.82) 100%
  );
  overflow: hidden;
}
.page-contact .pc-coop__panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--pc-magenta) 30%, var(--pc-gold) 70%, transparent);
}
.page-contact .pc-coop__content {
  min-width: 0;
}
.page-contact .pc-coop__intro {
  margin: 16px 0 0;
  color: var(--clr-gray);
  font-size: 0.88rem;
  line-height: 1.85;
}
.page-contact .pc-coop__note {
  margin: 22px 0 4px;
  color: var(--clr-white);
  font-size: 0.9rem;
}
.page-contact .pc-coop__mail {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-accent);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  color: var(--clr-gold);
  text-decoration: none;
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.25);
  border-bottom: 1px solid rgba(212, 175, 55, 0.5);
  padding-bottom: 4px;
  word-break: break-all;
  transition: color 0.2s ease, border-color 0.2s ease, text-shadow 0.2s ease;
}
.page-contact .pc-coop__mail:hover {
  color: var(--pc-magenta);
  border-color: rgba(255, 42, 109, 0.6);
  text-shadow: 0 0 22px rgba(255, 42, 109, 0.4);
}
.page-contact .pc-coop__list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-contact .pc-coop__list li {
  position: relative;
  padding-left: 20px;
  color: var(--clr-gray);
  font-size: 0.84rem;
  line-height: 1.7;
}
.page-contact .pc-coop__list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--pc-magenta);
  font-size: 1rem;
  line-height: 1.5;
}
.page-contact .pc-coop__visual {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 24px;
  border: 1px solid var(--pc-line);
  background: rgba(13, 15, 26, 0.6);
}
.page-contact .pc-coop__visual img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 20px;
  opacity: 0.95;
}
.page-contact .pc-coop__visual-text {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--pc-line);
  color: var(--clr-white);
  font-size: 0.84rem;
  line-height: 1.8;
}

@media (min-width: 900px) {
  .page-contact .pc-coop {
    padding: 72px 0 56px;
  }
  .page-contact .pc-coop__panel {
    grid-template-columns: 1.5fr 0.8fr;
    gap: 48px;
    padding: 48px 56px;
  }
}

/* ===== 常见问题快捷入口 ===== */
.page-contact .pc-faq {
  padding: 48px 0 80px;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 42, 109, 0.05) 100%);
}
.page-contact .pc-faq__head {
  margin-bottom: 28px;
}
.page-contact .pc-faq__head h2 {
  margin-bottom: 10px;
}
.page-contact .pc-faq__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .pc-faq__card {
  position: relative;
  display: block;
  min-height: 140px;
  padding: 22px 18px 20px 56px;
  background: var(--clr-bg-secondary);
  border: 1px solid var(--pc-line);
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .pc-faq__card-num {
  position: absolute;
  top: 18px;
  left: 18px;
  font-family: var(--font-accent);
  font-size: 0.75rem;
  color: var(--pc-magenta);
  letter-spacing: 0.04em;
}
.page-contact .pc-faq__card-title {
  display: block;
  margin-top: 8px;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.02rem;
  color: var(--clr-white);
  line-height: 1.4;
}
.page-contact .pc-faq__card-desc {
  display: block;
  margin-top: 8px;
  color: var(--clr-gray);
  font-size: 0.82rem;
  line-height: 1.7;
}
.page-contact .pc-faq__card:hover {
  border-color: rgba(5, 217, 232, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(5, 217, 232, 0.08);
}
.page-contact .pc-faq__foot {
  margin-top: 28px;
  text-align: center;
}

@media (min-width: 760px) {
  .page-contact .pc-faq__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

/* ===== 键盘焦点 ===== */
.page-contact .pc-hero__about:focus-visible,
.page-contact .pc-channel-row__value:focus-visible,
.page-contact .pc-coop__mail:focus-visible,
.page-contact .pc-faq__card:focus-visible,
.page-contact .pc-faq__foot .site-btn:focus-visible {
  outline: 2px solid var(--pc-blue);
  outline-offset: 4px;
}