.classify-left{flex:1}
.nav-groups{display:flex;flex-direction:column;gap:12px}
.nav-group{display:grid;grid-template-columns:auto 1px 1fr;align-items:center;column-gap:12px;background:#fff;border:1px solid #eee;border-radius:12px;padding:10px 16px}
.nav-group:hover{border-color:#e6e6e6;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.group-head,.group-head:link,.group-head:visited{display:flex;align-items:center;gap:8px;text-decoration:none;white-space:nowrap;color:#111;font-weight:600}
.group-head .head-icon{width:8px;height:8px;border-radius:50%;background:#ff9903}
.group-divider{width:1px;height:16px;background:#eaeaea}
.group-sub{display:flex;gap:12px;overflow:hidden;white-space:nowrap;-webkit-mask:linear-gradient(to right, black 0%, black 90%, transparent 100%);mask:linear-gradient(to right, black 0%, black 90%, transparent 100%)}
.group-sub .sub-link,.group-sub .sub-link:link,.group-sub .sub-link:visited{color:#666;text-decoration:none}
.group-sub .sub-link:hover{color:#ff9903}
.qr-card{display:flex;align-items:center;gap:14px;margin-left:24px;padding-left:24px;border-left:1px solid #eee}
.qr-card .qrcode{width:120px;height:120px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.qr-card .qr-meta .qr-title{font-size:14px;color:#111;font-weight:600;line-height:1.5}
.qr-card .qr-meta .qr-desc{font-size:12px;color:#999;line-height:1.4}