.bc-bar{z-index:90;border-bottom:1px solid var(--border);background:#fffffff7;padding:8px 0;position:sticky;top:64px}.bc-inner{align-items:center;gap:16px;max-width:1200px;margin-inline:auto;padding-inline:16px;display:flex;overflow:hidden}@media (min-width:1024px){.bc-inner{padding-inline:40px}}@media (max-width:768px){.bc-inner{align-items:flex-start;overflow:visible}}.bc-inner nav{min-width:0;overflow:hidden}@media (max-width:768px){.bc-inner nav{overflow:visible}}.bc-back-btn{border:1px solid var(--border);cursor:pointer;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:0 0;border-radius:4px;flex-shrink:0;align-items:center;padding:5px 14px;font-size:13px;font-weight:700;transition:border-color .15s,color .15s;display:inline-flex}.bc-back-btn:hover{border-color:var(--blue);color:var(--blue)}.bc-list{flex-wrap:nowrap;align-items:center;gap:2px;list-style:none;display:flex;overflow:hidden}@media (max-width:768px){.bc-list{flex-wrap:wrap;row-gap:4px;overflow:visible}}.bc-item{flex-shrink:0;align-items:center;gap:6px;display:flex}.bc-item:last-child{flex-shrink:1;min-width:0;overflow:hidden}.bc-sep{color:var(--border);-webkit-user-select:none;user-select:none;font-size:13px}.bc-link{color:var(--muted);padding:4px 0;font-size:13px;font-weight:600;text-decoration:none;transition:color .15s}.bc-link:hover{color:var(--blue)}.bc-current{color:var(--text);text-overflow:ellipsis;white-space:nowrap;min-width:0;padding:4px 0;font-size:13px;font-weight:600;overflow:hidden}