:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";line-height:1.5;font-weight:400;--primary-color: #1677ff;--bg-color: #f0f2f5}body{margin:0;padding:0;background-color:var(--bg-color);color:#000000d9}#root{min-height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-track{background:transparent}.tech-card{background:#fff;border-radius:8px;box-shadow:0 1px 2px #00000008,0 1px 6px -1px #00000005,0 2px 4px #00000005;border:1px solid #f0f0f0}.tech-card-header{padding:16px 24px;border-bottom:1px solid #f0f0f0;font-weight:600;font-size:16px;color:#000000e0}.tech-card-body{padding:24px}.ant-layout-sider-light .ant-menu-item-selected{background-color:#e6f4ff!important;color:#1677ff!important;font-weight:500;border-right:3px solid #1677ff}.ant-layout-sider-light .ant-menu-item{margin:4px 0;width:100%;border-radius:0}.site-layout-header{box-shadow:0 1px 4px #00152914;z-index:10}