:root{--bg-page: #FAFAFA;--card-bg: #FFFFFF;--primary: #4A90E2;--primary-dark: #2563EB;--k-up: #22c55e;--k-down: #ef4444;--board-bg: #F9F3E7;--board-line: #C4A574;--stone-black: #1f2937;--stone-white: #f5f5f5;--text: #1f2937;--text-muted: #6b7280;--footer-bg: rgba(0,0,0,.75);--footer-text: rgba(255,255,255,.9)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-page);color:var(--text);min-height:100vh}#root{min-height:100vh;padding-bottom:3rem}a{color:var(--primary)}button{font-family:inherit;cursor:pointer}input,textarea{font-family:inherit}@keyframes stone-pulse{0%{opacity:.8;transform:scale(1)}to{opacity:0;transform:scale(1.3)}}.stone-pulse{animation:stone-pulse .5s ease-out forwards}@media (max-width: 640px){#root{padding-bottom:4rem}.emotion-record [style*="grid-template-columns: 1fr 1fr"]{grid-template-columns:1fr!important}.go-board>div{flex-direction:column!important}}