/* ============================================
   CONTACT PAGE — 联系我们
   配色参考首页：暖调浅色系 + 品牌橙渐变
   ============================================ */

/* ---- Hero (uses shared .page-hero from sections.css) ---- */

/* ---- Methods Grid ---- */
.contact-methods__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 860px;
  margin: 0 auto;
}

/* ---- Contact Card ---- */
.ct-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  overflow: hidden;
}
/* Top gradient bar */
.ct-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.ct-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-accent);
}
.ct-card:hover::after { opacity: 1; }

/* Type-specific top gradient + icon tint */
.ct-card[data-type="wechat"]::after { background: linear-gradient(90deg, #07C160, #2DC770); }
.ct-card[data-type="qq"]::after { background: linear-gradient(90deg, #12B7F5, #42C6FF); }
.ct-card[data-type="email"]::after { background: linear-gradient(90deg, #FF6B35, #FF8C5A); }
.ct-card[data-type="telegram"]::after { background: linear-gradient(90deg, #26A5E4, #5BBFF0); }
.ct-card[data-type="phone"]::after { background: linear-gradient(90deg, #6366F1, #818CF8); }
.ct-card[data-type="default"]::after { background: var(--gradient-primary); }

/* Icon circle */
.ct-card__icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.ct-card:hover .ct-card__icon { transform: scale(1.1); }
.ct-card__icon svg { width: 28px; height: 28px; }

/* Text */
.ct-card__label {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}
.ct-card__value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  word-break: break-all;
  max-width: 100%;
}

/* Copy button inside card */
.ct-card__copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  background: rgba(255, 107, 53, 0.08);
  border: 1px solid rgba(255, 107, 53, 0.15);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.ct-card__copy-btn:hover {
  background: rgba(255, 107, 53, 0.15);
  border-color: rgba(255, 107, 53, 0.3);
}
.ct-card__copy-btn svg { width: 12px; height: 12px; }

/* ---- Service Promise ---- */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 860px;
  margin: 0 auto;
}
.promise-item {
  text-align: center;
  padding: var(--space-10) var(--space-6);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.promise-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.promise-item__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-4);
}
.promise-item__icon svg { width: 24px; height: 24px; }
.promise-item__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}
.promise-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ---- CTA Banner ---- */

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .contact-methods__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .promise-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
  }
}
@media (max-width: 480px) {
  .contact-methods__grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }
  .ct-card {
    flex-direction: row;
    text-align: left;
    padding: var(--space-5);
    gap: var(--space-4);
  }
  .ct-card__icon {
    width: 48px; height: 48px;
  }
  .ct-card__icon svg { width: 22px; height: 22px; }
}