:root{
  --qd-sidebar:264px;--qd-blue:#2563eb;--qd-blue-2:#1d4ed8;--qd-green:#10b981;--qd-green-2:#059669;
  --qd-navy:#0b1f33;--qd-navy-2:#10324f;--qd-ink:#122033;--qd-text:#334155;--qd-muted:#6b7c8f;
  --qd-line:#dce5ee;--qd-page:#f4f7fa;--qd-panel:#fff;--qd-danger:#d64550;--qd-warning:#d99012;
  --qd-shadow:0 8px 24px rgba(15,35,55,.065);--qd-shadow-lg:0 24px 64px rgba(15,35,55,.16);
  --qd-font:-apple-system,BlinkMacSystemFont,"Segoe UI Variable","Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",Arial,sans-serif;
}
.qd-shell-nav-item{position:relative;width:100%;min-height:44px;padding:7px 10px;border:0;border-radius:11px;background:transparent;color:#b9cad5;display:flex;align-items:center;gap:9px;text-align:left;font-family:var(--qd-font);font-size:13px;font-weight:650;line-height:1.25;text-decoration:none;box-shadow:none;cursor:pointer;transition:background .16s,color .16s,transform .16s}
.qd-shell-nav-item:hover{background:rgba(255,255,255,.075);color:#fff;transform:translateX(1px)}
.qd-shell-nav-item.active{background:rgba(255,255,255,.12);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.075)}
.qd-shell-nav-item.active:before{content:"";position:absolute;left:-4px;top:11px;bottom:11px;width:3px;border-radius:99px;background:#48c3aa}
.qd-shell-nav-icon{width:29px;height:29px;display:grid;place-items:center;flex:0 0 29px;border-radius:9px;background:rgba(255,255,255,.055);font-size:14px;font-style:normal;line-height:1;filter:saturate(.78)}
.qd-shell-nav-item.active .qd-shell-nav-icon{background:rgba(72,195,170,.17)}
.qd-shell-nav-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qd-shell-sidebar-foot{flex:0 0 auto;margin:0;padding:10px 13px calc(13px + env(safe-area-inset-bottom));border-top:1px solid rgba(255,255,255,.08);background:rgba(5,20,33,.10);display:grid;gap:8px}
.qd-shell-platform-link,.qh-center-button{width:100%;min-height:40px;display:flex;align-items:center;justify-content:center;gap:8px;margin:0;padding:0 12px;border-radius:10px;text-decoration:none;color:#dffaf0;background:rgba(16,185,129,.10);border:1px solid rgba(52,211,153,.22);font-family:var(--qd-font);font-size:11px;font-weight:760;transition:background .16s,color .16s}
.qd-shell-platform-link:hover,.qh-center-button:hover{background:rgba(255,255,255,.09);color:#fff}
.qd-shell-platform-icon{width:18px;height:18px;display:grid;place-items:center;font-size:14px}
.qd-shell-sync{width:100%;min-height:38px;padding:0 11px;border:1px solid rgba(151,177,198,.18);border-radius:10px;background:rgba(255,255,255,.05);color:#b8cad5;display:flex;align-items:center;gap:8px;font-size:10px;font-weight:700;box-shadow:none;text-align:left}
.qd-shell-sync:before{content:"";width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.11);flex:0 0 8px}
.qd-role-chip{min-width:190px;min-height:44px;padding:5px 9px 5px 6px;border:1px solid var(--qd-line);border-radius:12px;background:#fff;display:flex;align-items:center;gap:9px;color:var(--qd-ink);box-shadow:0 4px 14px rgba(15,35,55,.045);text-align:left;cursor:pointer;font-family:var(--qd-font);transition:border-color .16s,box-shadow .16s,transform .16s}
.qd-role-chip:hover{border-color:#b9cbe0;box-shadow:0 8px 22px rgba(15,35,55,.08);transform:translateY(-1px)}
.qd-role-avatar{width:32px;height:32px;display:inline-grid;place-items:center;align-self:center;flex:0 0 32px;border-radius:10px;background:linear-gradient(145deg,#e7efff,#e6f7f1);color:#2458b8;font-size:11px;font-weight:900;line-height:1;vertical-align:middle;transform:none!important}
.qd-role-avatar.large{width:40px;height:40px;flex-basis:40px;border-radius:12px;font-size:13px}
.qd-role-copy{display:block;min-width:0;flex:1}.qd-role-copy b,.qd-role-menu-head b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:800}.qd-role-copy small,.qd-role-menu-head small{display:block;margin-top:2px;color:var(--qd-muted);font-size:10px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qd-role-chevron{flex:0 0 auto;color:#8a99aa;font-size:11px;transition:transform .16s}.qd-role-chip[aria-expanded="true"] .qd-role-chevron{transform:rotate(180deg)}
.qd-role-menu{position:fixed!important;width:286px;padding:7px;border:1px solid var(--qd-line);border-radius:15px;background:#fff;box-shadow:var(--qd-shadow-lg);z-index:2147483646!important;font-family:var(--qd-font);isolation:isolate}
.qd-role-menu.qd-hidden,.qd-role-menu.hidden{display:none!important}
.qd-role-menu-head{display:flex;align-items:center;gap:10px;padding:10px 10px 12px;border-bottom:1px solid #edf1f5;margin-bottom:5px}.qd-role-menu-head>span:last-child{min-width:0;flex:1}
.qd-role-menu-list{display:flex;flex-direction:column;gap:2px}.qd-role-menu-item{width:100%;min-height:48px;padding:7px 9px;border:0;border-radius:10px;background:transparent;color:var(--qd-ink);display:flex;align-items:center;gap:10px;text-align:left;box-shadow:none;cursor:pointer;font-family:var(--qd-font)}.qd-role-menu-item:hover{background:#f2f6fa}.qd-role-menu-icon{width:30px;height:30px;display:grid;place-items:center;flex:0 0 30px;border-radius:9px;background:#edf3ff;color:#2458b8;font-size:13px;font-weight:850}.qd-role-menu-item>span:last-child{min-width:0;flex:1}.qd-role-menu-item b{display:block;font-size:12px;line-height:1.25}.qd-role-menu-item small{display:block;margin-top:3px;color:#7a899a;font-size:10px;line-height:1.25}.qd-role-menu-item.danger{color:#c93643}.qd-role-menu-item.danger .qd-role-menu-icon{background:#fff0f2;color:#c93643}.qd-role-menu-separator{height:1px;background:#edf1f5;margin:5px 4px}
.qd-shell-menu-toggle{width:38px;height:38px;min-height:38px;padding:0;border:1px solid var(--qd-line);border-radius:9px;background:#f2f5f8;color:#2f4358;display:grid;place-items:center;font-size:18px;box-shadow:none}
.qd-visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
@media(max-width:860px){.qd-role-chip{min-width:auto;padding:4px 7px}.qd-role-copy{display:none}.qd-role-menu{width:min(286px,calc(100vw - 24px))}}

/* V2.1 shell hardening */
.qd-role-chip{position:relative!important;box-sizing:border-box!important;overflow:visible!important;line-height:1!important}
.qd-role-chip>*{box-sizing:border-box!important}
.qd-role-avatar,.user-chip .qd-role-avatar,.qd-role-menu .qd-role-avatar{display:inline-grid!important;place-items:center!important;margin:0!important;padding:0!important;border:0!important;line-height:1!important;text-align:center!important;vertical-align:middle!important;color:#2458b8!important;font-family:var(--qd-font)!important;transform:none!important;position:relative!important;top:0!important;left:0!important}
.qd-role-menu{margin:0!important;transform:none!important;max-height:min(560px,calc(100dvh - 24px))!important;overflow-y:auto!important;overflow-x:hidden!important;overscroll-behavior:contain!important}
.qd-role-menu-item{flex:0 0 auto!important}
.qd-role-menu-head{flex:0 0 auto!important}
@media(max-width:860px){.qd-role-avatar{width:32px!important;height:32px!important}.qd-role-menu{max-height:calc(100dvh - 24px)!important}}