html,body,#app{margin:0;width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#000}.home-page{min-height:100%;display:grid;place-items:center;padding:24px;color:#fff;box-sizing:border-box}.home-panel{width:min(420px,100%)}.home-panel h1{margin:0 0 10px;font-size:28px;font-weight:700}.home-panel p{margin:0 0 24px;color:#ffffffb8;line-height:1.6}.home-actions{display:grid;gap:12px}.home-link,.back-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:8px;padding:0 16px;background:#0a84ff;color:#fff;text-decoration:none;font-size:15px;box-sizing:border-box}.back-link{position:fixed;top:16px;left:16px;z-index:11;min-height:36px;background:#2f2f2fdb}.center-ar-page,.ar-page{width:100%;height:100%;background:#000}.center-ar-stage{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;background:#000}.camera-video,.sequence-frame{position:absolute}.camera-video{top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;z-index:1}.sequence-frame{left:50%;top:50%;width:min(72vw,420px);max-height:58vh;object-fit:contain;transform:translate(-50%,-50%);z-index:2;pointer-events:none}#ui{position:fixed;z-index:10;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:10px;pointer-events:none}#startBtn,#profileBtn{pointer-events:auto;border:0;border-radius:999px;padding:12px 18px;background:#0a84ff;color:#fff;font-size:15px}#profileBtn{background:#2f2f2f}#tip{position:fixed;top:64px;left:16px;right:16px;z-index:10;color:#fff;font-size:13px;line-height:1.5;text-shadow:0 1px 2px rgba(0,0,0,.6)}#status{position:fixed;left:16px;right:16px;bottom:72px;z-index:10;color:#ffd866;font-size:13px;line-height:1.5;text-shadow:0 1px 2px rgba(0,0,0,.6)}