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ease}.help__adjacentBtn:hover{border-color:var(--border-strong)}@media (max-width: 700px){.help{flex-direction:column;height:100%;max-height:100%;border-radius:0;max-width:100%}.help__nav{display:none}.help__mobileSelect{display:block;flex:1;min-height:38px;font-size:var(--text-sm)}.help__headTitle{display:none}.help__body{padding:var(--sp-4);padding-bottom:calc(var(--sp-4) + env(safe-area-inset-bottom,20px))}.help__adjacent{flex-direction:column}.help__head{padding:var(--sp-4)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.shell{display:flex;min-height:100dvh}.shell__sidebar{position:fixed;inset:0 auto 0 0;width:248px;display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--border);z-index:var(--z-nav);padding:var(--sp-5) var(--sp-4);gap:var(--sp-5)}.shell__brand{display:flex;align-items:center;gap:12px;padding:4px 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ease;position:relative}.shell__navItem:hover{background:var(--surface-3);color:var(--text-1)}.shell__navItem.is-active{background:var(--nav-active-bg);color:var(--primary);font-weight:650}.shell__navItem.is-active:before{content:"";position:absolute;left:-16px;top:20%;bottom:20%;width:3px;border-radius:0 3px 3px 0;background:var(--primary)}.shell__footer{display:grid;gap:var(--sp-3)}.shell__user{display:flex;align-items:center;gap:10px;padding:10px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface);width:100%;transition:border-color var(--dur-fast) ease,background var(--dur-fast) ease}.shell__user:hover{border-color:var(--border-strong);background:var(--surface-2)}.shell__avatar{width:34px;height:34px;border-radius:var(--r-md);background:var(--primary);color:var(--on-primary);display:grid;place-items:center;font-size:.78rem;font-weight:700;flex-shrink:0}.shell__userName{font-size:var(--text-sm);font-weight:650;color:var(--text-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}.shell__userRole{font-size:var(--text-xs);color:var(--text-3);text-align:left}.shell__main{flex:1;margin-left:248px;min-width:0;display:flex;flex-direction:column}.shell__topbar{position:sticky;top:0;z-index:calc(var(--z-nav) - 1);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);padding:14px var(--sp-7);background:var(--surface);border-bottom:1px solid var(--border)}.shell__pageTitle{font-size:var(--text-lg);font-weight:700}.shell__topActions{display:flex;align-items:center;gap:var(--sp-2)}.shell__content{padding:var(--sp-6) var(--sp-7) 110px;max-width:1360px;width:100%;margin:0 auto}.shell__aiBtn{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;border-radius:var(--r-md);border:1px solid transparent;background:var(--primary);color:var(--on-primary);font-weight:650;font-size:var(--text-sm);box-shadow:var(--shadow-sm);transition:background var(--dur-fast) ease,box-shadow var(--dur-fast) ease,transform var(--dur-fast) var(--ease-out)}.shell__aiBtn:hover{background:var(--primary-strong);box-shadow:var(--shadow-md)}.shell__aiBtn:active{transform:scale(.97)}.shell__mobileHeader,.shell__bottomNav{display:none}@media (max-width: 900px){.shell__sidebar{display:none}.shell__main{margin-left:0}.shell__topbar{display:none}.shell__mobileHeader{position:sticky;top:0;z-index:var(--z-nav);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);padding:12px var(--sp-4);padding-top:calc(12px + env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--border)}.shell__content{padding:var(--sp-4) var(--sp-4) calc(96px + env(safe-area-inset-bottom))}.shell__bottomNav{position:fixed;left:0;right:0;bottom:0;z-index:var(--z-nav);display:grid;grid-template-columns:repeat(5,1fr);background:var(--surface);border-top:1px solid var(--border);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}.shell__bottomItem{display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 2px;min-height:52px;border:none;background:transparent;border-radius:var(--r-md);color:var(--text-3);font-size:.64rem;font-weight:650;transition:color var(--dur-fast) ease,background var(--dur-fast) ease}.shell__bottomItem.is-active{color:var(--primary);background:var(--nav-active-bg)}}