.HV{display:none!important}
.no-sb::-webkit-scrollbar{display:none}
.no-sb{scrollbar-width:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes pulse2{0%,100%{opacity:1}50%{opacity:.4}}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.a-up{animation:fadeUp .5s ease forwards}
.katex{font-size:1.18em!important}
.katex-display{margin:12px 0!important;font-size:1.25em!important}
canvas{border-radius:12px;display:block;margin:1.5rem auto;background:#fff;border:2px solid #e2e8f0;width:min(100%,650px)!important;height:auto!important}
#live2dWrap{position:fixed;bottom:-5px;left:0;width:240px;height:320px;z-index:9999;pointer-events:auto;cursor:grab;transition:transform .1s ease-out;transform-origin:bottom left}
#live2dWrap:active{cursor:grabbing}
.l2d-toolbar{position:absolute;top:10px;right:10px;display:flex;gap:6px;opacity:0;transition:opacity .2s;background:rgba(255,255,255,.9);backdrop-filter:blur(4px);border-radius:8px;padding:6px;box-shadow:0 2px 10px rgba(0,0,0,.1);z-index:10000}
#live2dWrap:hover .l2d-toolbar{opacity:1}
.l2d-btn{width:28px;height:28px;border-radius:6px;background:#f8fafc;color:#4f46e5;display:flex;justify-content:center;align-items:center;font-weight:bold;cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.1);transition:all .2s;font-size:14px}
.l2d-btn:hover{background:#fff;transform:scale(1.1)}
#live2dCanvas{width:100%!important;height:100%!important;background:transparent!important;border:none!important;box-shadow:none!important;border-radius:0!important;margin:0!important}
.SI{width:100%;height:100%;flex-shrink:0;overflow-y:auto;padding:2rem}
@media(min-width:1024px){.SI{padding:3rem 4rem}}
.slide-inner{max-width:56rem;margin:0 auto;padding-bottom:4rem}
@media(max-width:900px){#live2dWrap{left:6px;bottom:0;width:180px;height:240px}.l2d-toolbar{top:6px;right:6px;opacity:1;padding:4px}.l2d-btn{width:26px;height:26px;font-size:13px}.SI{padding:1.25rem 1rem 1.75rem}.slide-inner{padding-bottom:2rem}}
@media(max-width:640px){#live2dWrap{left:4px;bottom:2px;width:136px;height:188px}.SI{padding:1rem .85rem 1.35rem}}