*{box-sizing:border-box}body{margin:0;background:#263c38;font-family:"Microsoft YaHei",sans-serif}#mount{width:100vw;height:100dvh;position:relative;overflow:hidden}#loading{color:white;font-size:22px;text-align:center;padding-top:30vh}#controls{position:fixed;right:8px;bottom:6px;z-index:1000;color:#233d34;font-size:14px;max-width:min(460px,96vw)}#controls summary{cursor:pointer;background:#f7f7eeed;border:1px solid #748974;border-radius:10px;padding:8px 12px;list-style:none;font-size:13px}#controls summary span{margin-left:8px}.panel{background:#fffffff5;border:1px solid #879a87;border-radius:12px;padding:14px;box-shadow:0 4px 30px #1236}.panel label{display:flex;align-items:center;gap:14px;margin:10px 0;font-size:16px}.panel select{font-size:16px;padding:6px}.panel input{width:160px}.panel output{min-width:42px}.panel p{font-size:13px;line-height:1.5}.panel button{background:#315c73;color:#fff;border:0;border-radius:8px;padding:10px 14px;font-size:15px;margin-right:6px;cursor:pointer}.scene{position:absolute;inset:0;width:1280px;height:728px}.prompt{position:absolute;top:9px;left:170px;right:170px;text-align:center;color:#243e36;font-weight:700;font-size:27px;line-height:38px;pointer-events:none}.answers{position:absolute;left:195px;right:195px;bottom:45px;padding:24px 28px;background:#fffdf4f7;border:3px solid #355748;border-radius:24px;box-shadow:0 8px 24px #20382433}.answers[hidden]{display:none}.answers h2{font-size:28px;color:#244739;text-align:center;margin:0 0 17px}.digits{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.digits button{height:70px;border-radius:13px;border:2px solid #3c6552;background:#f5f8e9;color:#203f32;font:bold 38px "Microsoft YaHei";cursor:pointer;touch-action:manipulation}.digits button:active{background:#b9dca5}.digits button:focus-visible{outline:5px solid #e7a71f;outline-offset:2px}
/* Collapsed controls stay in the right margin, outside all four lanes. */
#controls{width:clamp(92px,13vw,150px)}#controls summary{font-size:12px;padding:7px 8px;line-height:1.5}#controls summary span{display:block;margin-left:0}#controls .panel{position:absolute;right:0;bottom:78px;width:min(440px,95vw)}