:root{--text: #222;--text-soft: rgba(0, 0, 0, .75);--text-muted: rgba(0, 0, 0, .55);--panel-bg: rgba(255, 255, 255, .94);--card-bg: rgba(255, 255, 255, .85);--border-soft: rgba(0, 0, 0, .06);--border: rgba(0, 0, 0, .12);--border-strong: rgba(0, 0, 0, .18);--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--shadow-card: 0 18px 55px rgba(0, 0, 0, .12);--shadow-panel: 0 22px 70px rgba(0, 0, 0, .35)}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,PingFang SC,Microsoft YaHei,Arial,sans-serif;background:radial-gradient(1200px 800px at 50% 20%,#fff,#f6f7fb 45%,#eef0f7)}#app,.app-shell{min-height:100vh}.app-shell{display:flex;align-items:center;justify-content:center;padding:24px}.card,.panel{border-radius:var(--radius-lg)}.card{position:relative;width:min(420px,92vw);padding:28px 24px 30px;text-align:center;background:var(--card-bg);border:1px solid var(--border-soft);box-shadow:var(--shadow-card)}.title{margin:0 0 18px;font-size:22px;font-weight:700;letter-spacing:.5px}.panel{width:min(520px,92vw);padding:18px 18px 16px;background:var(--panel-bg);border:1px solid rgba(255,255,255,.5);box-shadow:var(--shadow-panel)}.panel--wide{width:min(760px,92vw)}.panel--fullscreen{width:min(980px,96vw);padding:12px}.panel h2{margin:4px 0 10px;font-size:20px}.panel p{margin:8px 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rotate(var(--rot))}}.gesture-panel{-webkit-user-select:none;user-select:none;touch-action:none}.gesture-box{margin-top:18px}.gesture-tip{display:flex;justify-content:center;margin-bottom:12px}.gesture-tip span{padding:6px 12px;font-size:13px;color:#111;border:1px solid var(--border);border-radius:999px;background:#0000000f}.gesture-track{position:relative;width:min(520px,100%);height:220px;margin:0 auto;overflow:hidden;border:1px solid var(--border);border-radius:24px;background:linear-gradient(180deg,#fffffff5,#f5f5f5f5)}.gesture-sprite-wrap{position:absolute;left:50%;top:50%;width:180px;height:180px;display:flex;align-items:center;justify-content:center;transform:translate(-50%,-58%);transition:filter .2s ease;pointer-events:none}.gesture-sprite-wrap.dragging{filter:drop-shadow(0 8px 14px rgba(0,0,0,.12))}.gesture-sprite-wrap.unlocked{filter:drop-shadow(0 10px 18px rgba(255,105,145,.22))}.gesture-sprite{width:128px;height:128px;transform:scale(1.6);transform-origin:center;image-rendering:pixelated;background-repeat:no-repeat}.gesture-progress{position:absolute;left:22px;right:22px;bottom:18px;height:10px;overflow:hidden;border-radius:999px;background:#00000014}.gesture-progress-bar{width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#ff9ab3,#ff5f8f);transition:width .08s linear}.back-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border:1px solid rgba(255,123,180,.18);border-radius:999px;background:linear-gradient(135deg,#fff,#fff4fa);color:#ff4f97;font-weight:700;text-decoration:none;box-shadow:0 10px 24px #ff7bb41f;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.back-btn:hover{transform:translateY(-1px);box-shadow:0 14px 28px 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