body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.app-container{background:#f0f2f5;min-height:100vh;padding:24px}.main-card{border-radius:8px;max-width:1200px;margin:0 auto}.page-title{color:#1a1a1a;margin:0 0 20px;font-size:22px;font-weight:600}.filter-section{background:#fafafa;border:1px solid #f0f0f0;border-radius:6px;margin-bottom:16px;padding:16px}.filter-label{color:#666;font-size:14px}.query-info{color:#1677ff;background:#e6f4ff;border-radius:4px;margin-bottom:12px;padding:8px 16px;font-size:13px}.category-tabs,.category-tabs .ant-tabs-nav{margin-bottom:0}