/* ===== 二级页面顶栏：品牌蓝瘦身单行（B方案，2026-09-30 全站统一） =====
   只保留：左侧返回箭头 ‹ + 居中标题；隐藏 LOGO/副标题/返回胶囊 */
body:not(.home-page) .topbar{
  display:flex;
  align-items:center;
  justify-content:center;
  height:50px;
  min-height:50px;
  padding:0;
  text-align:center;
  box-sizing:border-box;
}
body:not(.home-page) .topbar::before{display:none}
body:not(.home-page) .topbar .brand{
  font-size:16px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  text-align:center;
  margin:0;
}
body:not(.home-page) .topbar .sub{display:none}
body:not(.home-page) .topbar .back-link{
  position:absolute;
  left:2px;
  top:0;
  height:50px;
  width:auto;
  display:flex;
  align-items:center;
  padding:0 14px;
  margin:0;
  color:#fff;
  text-decoration:none;
  border:none;
  border-radius:0;
  background:none;
  font-size:0;
}
body:not(.home-page) .topbar .back-link::before{
  content:"‹";
  color:#fff;
  font-size:28px;
  font-weight:300;
  line-height:1;
  transform:translateY(-2px);
}

/* ===== 首页品牌组合：横向放大、纵向收紧 ===== */
.home-page .topbar{
  min-height:112px;
  padding:13px 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  box-sizing:border-box;
}
.home-page .topbar::before{
  content:"";
  display:block;
  flex:0 0 150px;
  width:150px;
  height:58px;
  margin:0;
  background:url("images/zhicheng-logo-white.png") center/contain no-repeat;
}
.home-page .hero-copy{
  position:relative;
  min-width:270px;
  padding-left:22px;
  text-align:left;
}
.home-page .hero-copy::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  bottom:4px;
  width:1px;
  background:rgba(255,255,255,.38);
}
.home-page .topbar .brand{font-size:27px;line-height:1.15;white-space:nowrap}
.home-page .topbar .sub{font-size:12px;margin-top:4px;white-space:nowrap}
.home-page .topbar .vip-tag{margin-top:5px}
@media(max-width:480px){
  .home-page .topbar{
    min-height:96px;
    padding:10px 12px;
    gap:11px;
  }
  .home-page .topbar::before{
    flex-basis:122px;
    width:122px;
    height:47px;
  }
  .home-page .hero-copy{
    min-width:0;
    padding-left:12px;
  }
  .home-page .topbar .brand{font-size:24px;line-height:1.12;white-space:nowrap}
  .home-page .topbar .sub{font-size:10.5px;margin-top:3px;white-space:nowrap}
  .home-page .topbar .vip-tag{font-size:10px;margin-top:4px;padding:2px 8px;white-space:nowrap}
}
@media(max-width:360px){
  .home-page .topbar{gap:9px;padding-left:10px;padding-right:10px}
  .home-page .topbar::before{flex-basis:78px;width:78px;height:30px}
  .home-page .hero-copy{padding-left:9px}
  .home-page .topbar .brand{font-size:15px}
  .home-page .topbar .sub{font-size:9.5px}
  .home-page .topbar .vip-tag{font-size:9px;padding:1px 6px}
}