/* ──────────────────────────────────────────────────────────────
   Contact Sales Modal — 统一「联系销售」弹窗
   与 AI 员工 / AI 智能提效年包 页面风格保持一致。
   依赖 /css/base/variables.css 中的 --neutral-gray-* 与 --font-family-mono。
   ────────────────────────────────────────────────────────────── */

.cs-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .5);
  backdrop-filter: blur(4px);
  z-index: 9000;
  display: none; align-items: center; justify-content: center;
}
.cs-modal-overlay.active { display: flex; }
.cs-modal-content {
  background: #fff; border-radius: 24px;
  padding: 2.25rem 2.5rem;
  width: min(440px, 92vw);
  position: relative;
  box-shadow: 0 32px 80px rgba(0, 0, 0, .25);
  animation: csModalIn .25s ease;
}
@keyframes csModalIn {
  from { opacity: 0; transform: translateY(16px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.cs-modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--neutral-gray-100); border: none; cursor: pointer;
  width: 2rem; height: 2rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--neutral-gray-600); transition: background .15s;
}
.cs-modal-close:hover { background: var(--neutral-gray-200); }
.cs-modal-title {
  font-size: 1.25rem; font-weight: 700; color: var(--neutral-gray-800);
  margin-bottom: .25rem;
}
.cs-modal-subtitle {
  font-size: .875rem; color: var(--neutral-gray-500); margin-bottom: 1.5rem;
}
.cs-modal-phone {
  display: flex; align-items: center; gap: .5rem;
  font-size: 1.0625rem; font-weight: 600; color: #0066cc;
  background: #f0f7ff; border: 1px solid rgba(0, 149, 255, .2);
  border-radius: 12px; padding: .75rem 1rem; margin-bottom: 1.25rem;
}
/* WeChat QR codes inside modal */
.cs-wechat-section {
  margin: 1rem 0 1.25rem;
  padding: 1rem 0 1.125rem;
  border-top: 1px solid rgba(0, 149, 255, .12);
  border-bottom: 1px solid rgba(0, 149, 255, .12);
}
.cs-wechat-label {
  font-size: .75rem; font-weight: 700;
  color: var(--neutral-gray-500);
  text-align: center;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 .875rem;
}
.cs-wechat-grid {
  display: flex; justify-content: center; gap: 18px;
  flex-wrap: wrap;
}
.cs-wechat-item { text-align: center; flex: 0 0 auto; }
.cs-wechat-item img {
  width: 124px; height: 124px;
  border: 2px solid var(--neutral-gray-200);
  border-radius: 10px;
  object-fit: cover;
  display: block;
  background: #f8faff;
}
.cs-wechat-name {
  font-size: .8125rem; font-weight: 600;
  color: var(--neutral-gray-800);
  margin-top: .5rem;
}
.cs-qq-label {
  font-size: .75rem; font-weight: 700;
  color: var(--neutral-gray-500);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 .625rem;
  text-align: center;
}
.cs-qq-list { display: flex; flex-direction: column; gap: .75rem; }
.cs-qq-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: .875rem 1rem;
  border: 1px solid var(--neutral-gray-200); border-radius: 12px;
  transition: border-color .15s;
}
.cs-qq-item:hover { border-color: rgba(0, 149, 255, .35); }
.cs-qq-name { font-size: .875rem; font-weight: 600; color: var(--neutral-gray-800); }
.cs-qq-num { font-size: .9375rem; color: var(--neutral-gray-500); margin-top: .1rem; font-family: var(--font-family-mono, monospace); }
.cs-copy-btn {
  font-size: .8125rem; font-weight: 600;
  background: linear-gradient(135deg, #0095FF 0%, #00D4FF 100%);
  color: white; border: none; border-radius: 8px;
  padding: .4rem .875rem; cursor: pointer;
  transition: opacity .15s;
  white-space: nowrap;
}
.cs-copy-btn:hover { opacity: .88; }