:root{--fg: #111;--muted: #666;--bg: #eaeaea;--accent: #0a84ff}html,body{height:100%}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;overflow-x:hidden}#mv{display:block;position:relative;width:100%;max-width:100%;height:100vh;height:100svh;height:100dvh;--poster-color: transparent;--progress-bar-height: 2px}model-viewer{--ar-button-display: none}model-viewer::part(ar-button){display:none!important}.btn{appearance:none;border:0;border-radius:12px;padding:10px;background:#980a2b;color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 6px 20px #0000002e,inset 0 -2px #0003;transition:transform .06s ease,box-shadow .2s ease,filter .2s ease}@media (hover: hover){.btn:hover{transform:translateY(-1px);box-shadow:0 8px 26px #00000038,inset 0 -2px #00000038}}.btn:active{transform:translateY(0);box-shadow:0 4px 14px #00000029,inset 0 -1px #0000003d}.btn.secondary{background:#f5f5f5;color:#111;border:1px solid #e5e5e5;box-shadow:none}.btn svg{width:25px;height:25px;display:block}.qr-modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0000008c;backdrop-filter:saturate(1.1) blur(2px);z-index:9999}.qr-card{max-width:360px;width:92%;background:#fff;color:#111;border-radius:16px;padding:18px;text-align:center;box-shadow:0 20px 60px #00000040}.qr-card h3{margin:0 0 8px;font:700 18px/1.3 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.qr-card p{margin:0 0 14px;color:#555}.close-btn{margin-top:12px;padding:8px 12px;border-radius:10px;border:1px solid #ddd;background:#fafafa;cursor:pointer}.ui-top-left{position:fixed;top:12px;left:12px;z-index:10000}.ui-top-right{position:fixed;top:12px;right:12px;z-index:10000}.ar-icon{width:22px;height:22px}.icon-btn{appearance:none;border:0;border-radius:12px;padding:10px;background:#0000008c;color:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;backdrop-filter:blur(4px) saturate(1.2);box-shadow:0 8px 24px #00000040,inset 0 -1px #ffffff0f;transition:transform .06s ease,box-shadow .2s ease,background .2s ease}@media (hover:hover){.icon-btn:hover{transform:translateY(-1px)}}.icon-btn:active{transform:translateY(0)}.icon-btn svg{width:22px;height:22px;display:block}.icon-btn.active{background:#ffffff2e}[hidden]{display:none!important}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,1px,1px);white-space:nowrap;border:0}