:root{--primary: #07C160;--primary-dark: #06AD56;--bg: #f5f5f5;--card-bg: #ffffff;--text-primary: #333333;--text-secondary: #999999;--border: #e5e5e5;--tab-height: 50px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased}.tab-bar{position:fixed;bottom:0;left:0;right:0;height:var(--tab-height);background:var(--card-bg);border-top:1px solid var(--border);display:flex;z-index:100;padding-bottom:env(safe-area-inset-bottom)}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--text-secondary);cursor:pointer;text-decoration:none}.tab-item.active{color:var(--primary)}.tab-item .icon{font-size:20px;margin-bottom:2px}.page-content{padding-bottom:calc(var(--tab-height) + 20px);min-height:100vh}.card{background:var(--card-bg);border-radius:8px;margin:8px 12px;padding:12px;box-shadow:0 1px 3px #00000014}.page-title{font-size:16px;font-weight:600;padding:12px 16px;background:var(--card-bg);border-bottom:1px solid var(--border)}.update-toast{position:fixed;top:0;left:0;right:0;z-index:9999;background:var(--primary);color:#fff;text-align:center;padding:12px 16px;font-size:14px;cursor:pointer;animation:slideDown .3s ease}@keyframes slideDown{0%{transform:translateY(-100%)}to{transform:translateY(0)}}