.wechat-bind-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  animation: auth-bind-backdrop-enter 180ms ease-out both;
}

.wechat-bind-dialog {
  position: relative;
  width: min(460px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 30px;
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 12px;
  color: rgba(255,255,255,0.9);
  background: rgba(18,18,20,0.98);
  box-shadow: 0 30px 90px rgba(0,0,0,0.62), inset 0 1px rgba(255,255,255,0.04);
  animation: auth-bind-dialog-enter 260ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.wechat-bind-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  color: rgba(255,255,255,0.48);
  background: rgba(255,255,255,0.035);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.wechat-bind-close:hover {
  color: rgba(255,255,255,0.88);
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.07);
}

.wechat-bind-success {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: #86efac;
  font-size: 12px;
  font-weight: 720;
}

.wechat-bind-success > span:last-child {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.wechat-bind-success-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(74,222,128,0.24);
  border-radius: 8px;
  color: #86efac;
  background: rgba(74,222,128,0.08);
}

.wechat-bind-header {
  margin-bottom: 24px;
  padding-right: 24px;
}

.wechat-bind-header h2 {
  margin: 0 0 10px;
  color: rgba(255,255,255,0.94);
  font-size: 24px;
  font-weight: 780;
  letter-spacing: -0.03em;
}

.wechat-bind-header p {
  margin: 0;
  color: rgba(255,255,255,0.52);
  font-size: 13px;
  line-height: 1.7;
}

.wechat-bind-form {
  display: grid;
  gap: 16px;
}

.wechat-bind-invite label {
  display: flex;
  align-items: center;
  gap: 5px;
}

.wechat-bind-invite label span {
  color: rgba(255,255,255,0.32);
  font-weight: 500;
}

.wechat-bind-submit {
  margin-top: 2px;
}

.wechat-bind-cancel {
  width: 100%;
  margin-top: 14px;
  border: 0;
  color: rgba(255,255,255,0.42);
  background: transparent;
  font-size: 12px;
  cursor: pointer;
  transition: color 0.18s ease;
}

.wechat-bind-cancel:hover {
  color: rgba(255,255,255,0.72);
}

@keyframes auth-bind-backdrop-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes auth-bind-dialog-enter {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}