:root{--ink:#553d2d;--muted:#8a7969;--paper:#f7f3eb;--white:#fffcf5;--accent:#a36637;--border:#e3d8c7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}a{color:inherit;text-decoration:none}button,a,input{outline-offset:5px}button,input{accent-color:var(--accent)}[hidden]{display:none!important}.skip{position:absolute;left:15px;top:-90px;background:white;padding:10px;z-index:5}.skip:focus{top:10px}header{max-width:1250px;margin:auto;padding:28px 40px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;font-size:19px;font-weight:700;letter-spacing:.05em}.brand small{font-size:11px;font-weight:400;color:var(--muted)}.mark{font-size:28px}nav{display:flex;gap:36px;align-items:center;font-size:13px}.pill{border:1px solid var(--border);padding:9px 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h3{font-size:17px;font-weight:500}.download-note ol{padding-left:20px}footer{border-top:1px solid var(--border);padding:32px 40px;display:flex;justify-content:center;gap:30px;align-items:center;font-size:12px;color:var(--muted)}footer .brand{font-size:15px}footer small{font-size:10px}.room-title{display:flex;justify-content:space-between;margin:30px 0;color:var(--muted);font-size:13px}.room-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;margin-bottom:70px}.room-stage{border-radius:35px;background:var(--white);text-align:center}.room-stage canvas{width:100%;display:block;touch-action:none}.room-stage p{font-size:11px;color:var(--muted);margin:-20px 0 25px}.room-layout aside h1{margin:10px 0;font-size:40px}.room-layout aside p{color:var(--muted);font-size:13px}.actions{display:flex;gap:7px;flex-wrap:wrap;margin:20px 0}.actions button{background:var(--white);border:1px solid var(--border);color:var(--ink);padding:8px 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