:root{--semi-color-primary: #4c8bf5;--semi-color-primary-hover: #3b7af0;--semi-color-primary-active: #2f6ad8;--semi-color-success: #4caf80;--app-bg: #f7f9fc;--app-card-shadow: 0 1px 2px rgba(20, 38, 69, .04), 0 4px 12px rgba(20, 38, 69, .06);--app-radius-lg: 14px;--app-radius-md: 10px}html,body,#root{height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Microsoft YaHei,Arial,sans-serif;background:var(--app-bg);color:#1d2129;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--semi-color-primary);text-decoration:none}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#d6dbe3;border-radius:8px}::-webkit-scrollbar-thumb:hover{background:#b9c0cc}.app-card{background:#fff;border-radius:var(--app-radius-lg);box-shadow:var(--app-card-shadow);padding:20px}.app-page-title{font-size:22px;font-weight:600;margin:0 0 4px;color:#1d2129}.app-page-subtitle{font-size:13px;color:#86909c;margin-bottom:20px}.app-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.app-empty-soft{padding:60px 0;text-align:center;color:#86909c;font-size:13px}