.site-bgm-toggle{position:fixed;z-index:90;top:20px;right:220px;display:flex;align-items:center;gap:7px;padding:7px 12px;border:1px solid #ffffff55;border-radius:30px;background:#101522b8;backdrop-filter:blur(8px);color:#fff;font:500 12px/1.4 Arial,"PingFang SC",sans-serif;letter-spacing:.04em;cursor:pointer;touch-action:manipulation}
.site-bgm-toggle:hover{border-color:#ffffffb3;background:#1c2332e8}
.site-bgm-toggle:focus-visible{outline:2px solid white;outline-offset:4px}
.site-bgm-toggle[data-state="blocked"]{animation:bgm-invite 2.8s ease-in-out infinite}
@keyframes bgm-invite{50%{box-shadow:0 0 15px #b4d9ff50;border-color:#ffffffc0}}
@media(max-width:1000px){.site-bgm-toggle{top:62px;left:16px;right:auto;padding:4px 9px;font-size:10.5px}}
@media(prefers-reduced-motion:reduce){.site-bgm-toggle{animation:none!important}}