:root{--color-primary:#FF5050;--color-primary-hover:#FF7875;--color-primary-active:#D93637;--color-primary-bg:#FFF1F0;--color-link:#1677FF;--color-link-hover:#4096FF;--color-success:#52C41A;--color-success-bg:#E6F7E9;--color-info:#1677FF;--color-info-bg:#E6F4FF;--color-warning:#FAAD14;--color-warning-bg:#FFF7E6;--color-danger:#FF4D4F;--color-danger-bg:#FFF1F0;--color-neutral:#8C8C8C;--color-neutral-bg:#F5F5F5;--color-title:#1F2937;--color-text:#374151;--color-text-secondary:#6B7280;--color-text-placeholder:#9CA3AF;--color-border:#E5E7EB;--color-bg-layout:#F5F7FA;--color-bg-card:#FFFFFF;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--space-2xl:32px;--topbar-height:48px;--sidebar-width:200px;--font-family:-apple-system,BlinkMacSystemFont,"Inter","PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--shadow-card:0 1px 2px rgba(0,0,0,0.04);--shadow-dropdown:0 4px 12px rgba(0,0,0,0.08)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg-layout);line-height:1.5;min-width:0}a{color:var(--color-link);text-decoration:none}a:hover{color:var(--color-link-hover);text-decoration:underline}.card{background:var(--color-bg-card);border-radius:var(--radius-lg);padding:20px var(--space-xl);box-shadow:var(--shadow-card)}.ant-btn:focus-visible,.ant-select:focus-within,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid rgba(255,80,80,.45);outline-offset:2px}