[data-v-b7e1e1a5] .van-nav-bar{left:0;margin:0 auto;max-width:var(--ppc-body-width);right:0}[data-v-b7e1e1a5] .van-nav-bar__title{color:#1f2937;font-size:18px;font-weight:700}.back-icon[data-v-b7e1e1a5]{align-items:center;cursor:pointer;display:flex;font-size:16px}