body.locked{background:#0c1018;color:#edf3ff}
body.locked>#scene,body.locked>.tour-panel,body.locked>.help-panel{visibility:hidden}
#access-gate{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 15% 10%,#203652 0,transparent 45%),radial-gradient(ellipse at 90% 90%,#252044 0,transparent 45%),#0c1018;font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif}
#access-gate .access-card{box-sizing:border-box;width:min(480px,100%);padding:40px;border:1px solid #ffffff20;border-radius:24px;background:#101722ed;box-shadow:0 24px 80px #0006}
#access-gate h1{font-size:27px;line-height:1.5;margin:0 0 28px;font-weight:650}
#access-gate label{display:block;font-size:13px;color:#c0cede;margin-bottom:10px}
#access-gate input{box-sizing:border-box;width:100%;padding:14px 16px;color:#fff;background:#080e17;border:1px solid #4b5f7a;border-radius:10px;font:inherit;outline:none}
#access-gate input:focus{border-color:#94b8f2;box-shadow:0 0 0 3px #94b8f222}
#access-gate button{margin-top:16px;width:100%;padding:14px;background:#b4cef9;color:#142238;border:0;border-radius:10px;font:600 15px system-ui;cursor:pointer}
#access-gate button:disabled{opacity:.65;cursor:wait}
#access-message{font-size:13px;min-height:20px;color:#b9c7dc;margin:14px 0 0;line-height:1.6}
#access-gate .access-footnote{border-top:1px solid #ffffff15;margin-top:24px;padding-top:20px;color:#8091a9;font-size:12px;line-height:1.8}
@media(max-width:520px){#access-gate .access-card{padding:28px}#access-gate h1{font-size:23px}}
@media(max-width:600px){#access-gate{padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));overflow-y:auto;overscroll-behavior:contain}#access-gate .access-card{padding:24px;border-radius:18px}#access-gate h1{font-size:22px;margin-bottom:22px}#access-gate input{font-size:16px;min-height:48px}#access-gate button{min-height:48px}#access-gate .access-footnote{margin-top:18px;padding-top:16px}}
@media(max-height:500px){#access-gate{align-items:start;overflow-y:auto;padding:16px}#access-gate .access-card{padding:20px}#access-gate h1{font-size:20px;margin-bottom:16px}#access-gate .access-footnote{margin-top:14px;padding-top:12px}}