:root{
  --jpweb-bar-h: 44px;
}

/* 顶栏本体 */
.jpweb-demo-bar{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999999;
  background: rgba(20,20,20,.92);
  color: #fff;
  font-size: 13px;
  line-height: 24px;
}

.jpweb-demo-bar__inner{
  height: var(--jpweb-bar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px;
  max-width: 1200px;
  margin: 0 auto;
}

.jpweb-demo-bar a{
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
  opacity: .92;
}
.jpweb-demo-bar a:hover{ opacity: 1; }

.jpweb-demo-bar__brand{
  opacity: .9;
  font-weight: 600;
  white-space: nowrap;
}
.jpweb-demo-bar__brand span{
  opacity: .75;
  font-weight: 500;
  margin-left: 6px;
  letter-spacing: .2px;
}

/* 右侧按钮 */
.jpweb-demo-bar__cta{
  color: #111 !important;
  background: #fff;
  padding: 6px 10px;
  border-radius: 10px;
  font-weight: 800;
  line-height: 1;
}

/* 手机端隐藏品牌，避免挤 */
@media (max-width: 560px){
  .jpweb-demo-bar__brand{ display: none; }
}

/* 给页面一个“我们已经插入顶栏”的标记 */
body.jpweb-has-demo-bar{
  padding-top: var(--jpweb-bar-h) !important;
}