:root{--gradient-primary:linear-gradient(135deg, #4a90d9 0%, #3b6fd4 100%);--gradient-secondary:linear-gradient(135deg, #74b9ff 0%, #4a90d9 100%);--gradient-accent:linear-gradient(135deg, #0984e3 0%, #74b9ff 100%);--gradient-warm:linear-gradient(135deg, #4a90d9 0%, #a8d8ff 100%);--color-bg:#f0f4fa;--color-surface:#fff;--color-surface-light:#e8eef6;--color-text-primary:#1a2744;--color-text-secondary:#6b7fa3;--color-accent:#4a90d9;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-full:9999px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:40px;--space-2xl:64px;--font-family:"PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;min-height:100vh;font-family:var(--font-family);background:var(--color-bg);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{width:100%;min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-surface-light);border-radius:var(--radius-full)}.fade-enter-active,.fade-leave-active{transition:opacity .3s}.fade-enter-from,.fade-leave-to{opacity:0}.slide-enter-active,.slide-leave-active{transition:all .35s cubic-bezier(.4,0,.2,1)}.slide-enter-from{opacity:0;transform:translate(30px)}.slide-leave-to{opacity:0;transform:translate(-30px)}