.page-contact {
  --contact-glow-email: rgba(184, 41, 240, 0.25);
  --contact-glow-phone: rgba(57, 255, 20, 0.25);
  --contact-glow-address: rgba(192, 192, 192, 0.2);
  --contact-glow-time: rgba(184, 41, 240, 0.15);
  --contact-card-bg: rgba(22, 27, 34, 0.85);
  --contact-border-light: rgba(48, 54, 61, 0.6);
  --contact-accent-email: #B829F0;
  --contact-accent-phone: #39FF14;
  --contact-accent-address: #C0C0C0;
  --contact-accent-time: #B829F0;

  display: block;
  width: 100%;
  background-color: var(--color-bg-dark);
  color: var(--color-text-high-contrast);
  font-family: var(--font-body);
  line-height: 1.6;
  padding: 0;
  margin: 0;
}

.page-contact__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

/* ---------- header ---------- */
.page-contact__header {
  text-align: center;
  margin-bottom: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.page-contact__logo {
  display: block;
  width: 200px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  margin-bottom: 8px;
  opacity: 0.95;
}

.page-contact__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  letter-spacing: -0.02em;
  margin: 0;
  background: linear-gradient(135deg, #C0C0C0 0%, #B829F0 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.page-contact__subtitle {
  font-size: 1rem;
  color: var(--color-text-medium);
  margin: 4px 0 0;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--contact-border-light);
  padding-bottom: 16px;
  width: 100%;
  max-width: 480px;
}

/* ---------- cards grid ---------- */
.page-contact__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 48px;
}

@media (min-width: 600px) {
  .page-contact__cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact__cards {
    gap: 24px;
  }
}

.page-contact__card {
  position: relative;
  background: var(--contact-card-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--contact-border-light);
  border-radius: 12px;
  padding: 24px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.25s ease;
  will-change: transform;
}

.page-contact__card:hover {
  transform: translateY(-4px);
}

.page-contact__card:focus-within {
  outline: 2px solid var(--color-accent-neon-purple);
  outline-offset: 2px;
}

/* individual glow */
.page-contact__card--email:hover {
  box-shadow: 0 8px 28px var(--contact-glow-email);
}
.page-contact__card--phone:hover {
  box-shadow: 0 8px 28px var(--contact-glow-phone);
}
.page-contact__card--address:hover {
  box-shadow: 0 8px 28px var(--contact-glow-address);
}
.page-contact__card--time:hover {
  box-shadow: 0 8px 28px var(--contact-glow-time);
}

.page-contact__card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 4px;
}

.page-contact__card--email .page-contact__card-icon {
  color: var(--contact-accent-email);
}
.page-contact__card--phone .page-contact__card-icon {
  color: var(--contact-accent-phone);
}
.page-contact__card--address .page-contact__card-icon {
  color: var(--contact-accent-address);
}
.page-contact__card--time .page-contact__card-icon {
  color: var(--contact-accent-time);
}

.page-contact__card-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--color-text-medium);
  margin: 0;
  text-transform: uppercase;
  opacity: 0.8;
}

.page-contact__card-value {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--color-text-high-contrast);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s ease;
}

.page-contact__card-value[href]:hover {
  color: var(--color-accent-neon-purple);
}

.page-contact__card-value--text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.05rem;
  word-break: normal;
}

.page-contact__card-note {
  font-size: 0.82rem;
  color: var(--color-text-medium);
  margin: 4px 0 0;
  border-top: 1px solid var(--contact-border-light);
  padding-top: 10px;
  opacity: 0.7;
}

/* ---------- map ---------- */
.page-contact__map {
  margin-bottom: 48px;
  text-align: center;
}

.page-contact__map-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--color-primary-metallic-silver);
  text-align: center;
}

.page-contact__map-image {
  display: inline-block;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--contact-border-light);
  background: var(--color-bg-card);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  max-width: 100%;
}

.page-contact__map-img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  object-fit: cover;
}

@media (min-width: 600px) {
  .page-contact__map-img {
    max-width: 100%;
    width: 300px;
    height: 200px;
  }
}

.page-contact__map-note {
  font-size: 0.82rem;
  color: var(--color-text-medium);
  margin: 12px 0 0;
  opacity: 0.7;
}

/* ---------- beian ---------- */
.page-contact__beian {
  text-align: center;
  margin-bottom: 48px;
  padding: 20px 16px;
  border: 1px solid var(--contact-border-light);
  border-radius: 12px;
  background: rgba(22, 27, 34, 0.4);
}

.page-contact__beian-heading {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-medium);
  margin: 0 0 8px;
  opacity: 0.6;
}

.page-contact__beian-value {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--color-primary-metallic-silver);
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}

.page-contact__beian-note {
  font-size: 0.82rem;
  color: var(--color-text-medium);
  margin: 0;
  opacity: 0.6;
}

/* ---------- nav ---------- */
.page-contact__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  padding-top: 32px;
  border-top: 1px solid var(--contact-border-light);
}

.page-contact__nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--color-text-medium);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact__nav-link:hover {
  color: var(--color-accent-neon-purple);
  border-bottom-color: var(--color-accent-neon-purple);
}

.page-contact__nav-link:focus-visible {
  outline: 2px solid var(--color-accent-neon-purple);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ---------- responsive fine-tune ---------- */
@media (max-width: 399px) {
  .page-contact__inner {
    padding-left: 14px;
    padding-right: 14px;
  }

  .page-contact__card {
    padding: 18px 14px 16px;
  }

  .page-contact__card-value {
    font-size: 1rem;
  }

  .page-contact__title {
    font-size: 1.8rem;
  }
}

@media (min-width: 900px) {
  .page-contact__inner {
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .page-contact__header {
    margin-bottom: 72px;
  }

  .page-contact__cards {
    margin-bottom: 56px;
  }
}