.paper-navigation{z-index:20;box-sizing:border-box;border-top:1px solid color-mix(in srgb,var(--nav-faint) 75%,transparent);background:linear-gradient(145deg,color-mix(in srgb,var(--nav-surface) 65%,var(--nav-paper)),var(--nav-paper));height:52px;box-shadow:inset 0 1px 0 color-mix(in srgb,var(--nav-surface) 90%,transparent),0 -2px 10px color-mix(in srgb,var(--nav-ink) 5%,transparent);border-radius:32px 32px 0 0;flex-shrink:0;padding:0 50px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;display:flex;position:relative}.paper-navigation-items{flex:1;min-width:0;display:flex;position:relative}.paper-navigation button{min-width:0;color:var(--nav-muted);letter-spacing:.5px;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:0 0;border:0;flex:1;padding:0 0 7px;font-family:inherit;font-size:12px;font-weight:500;transition:color .2s}.paper-navigation button span{justify-content:center;align-items:center;gap:7px;display:flex;transform:translateY(2px)}.paper-navigation button svg{opacity:.7;flex-shrink:0;width:15px;height:15px}.paper-navigation button[aria-current=page]{color:var(--nav-ink);font-weight:600}.paper-navigation button[aria-current=page] svg{color:var(--nav-accent);opacity:1}.paper-navigation-indicator{pointer-events:none;justify-content:center;width:50%;transition:transform .36s cubic-bezier(.22,.82,.25,1);display:flex;position:absolute;bottom:7px;left:0}.paper-navigation-indicator i{background:var(--nav-accent);width:47px;height:3px;box-shadow:0 1px 4px color-mix(in srgb,var(--nav-accent) 21%,transparent);border-radius:999px}.paper-navigation button:focus-visible{outline:2px solid var(--nav-accent);outline-offset:-6px;border-radius:12px}@media (hover:hover){.paper-navigation button:hover{color:var(--nav-ink)}}@media (prefers-reduced-motion:reduce){.paper-navigation button,.paper-navigation-indicator{transition:none}}