#app,.route-page-root{width:100%;height:100%}.route-progress-bar{position:fixed;top:0;left:0;width:100%;height:3px;z-index:9999;background:linear-gradient(90deg,var(--bnu-blue, #003DA5) 0%,var(--color-primary-light, #4a90d9) 50%,var(--bnu-blue, #003DA5) 100%);background-size:200% 100%;animation:progress-slide 1.2s ease-in-out infinite}@keyframes progress-slide{0%{background-position:200% 0}to{background-position:-200% 0}}.page-switch-enter-active,.page-switch-leave-active{transition:opacity .16s ease,transform .16s ease;will-change:opacity,transform}.page-switch-enter-from,.page-switch-leave-to{opacity:0;transform:translateY(4px)}@media(prefers-reduced-motion:reduce){.page-switch-enter-active,.page-switch-leave-active{transition:opacity .01ms linear;transform:none!important}}.page-loading{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:var(--bg-primary, #fff)}.page-loading-spinner{width:36px;height:36px;border:3px solid var(--border-color, #e2e6ed);border-top-color:var(--bnu-blue, #003DA5);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}:root,[data-theme=light]{--color-primary: #003DA5;--color-primary-light: #1A5FBF;--color-primary-lighter: #E8F0FE;--color-primary-dark: #002D7A;--bnu-blue: #003DA5;--color-secondary: #4A6FA5;--color-tertiary: #6B7B8D;--color-success: #2E7D32;--color-warning: #F57C00;--color-danger: #C62828;--color-info: #1565C0;--color-text-primary: #1A1A2E;--color-text-secondary: #5A5A72;--color-text-placeholder: #9E9EB3;--text-primary: #1A1A2E;--text-secondary: #5A5A72;--color-bg-primary: #FFFFFF;--color-bg-secondary: #F4F6FA;--color-bg-chat: #FAFBFD;--bg-primary: #FFFFFF;--bg-secondary: #F4F6FA;--color-border: #E2E6ED;--border-color: #E2E6ED;--bubble-user-bg: #003DA5;--bubble-user-text: #FFFFFF;--bubble-assistant-bg: #F4F6FA;--bubble-assistant-text: #1A1A2E;--font-family: Source Han Sans SC, Noto Sans SC, -apple-system, sans-serif;--font-size-base: 16px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--radius-bubble: 18px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08)}[data-theme=dark]{--color-primary: #1A5FBF;--color-primary-light: #003DA5;--color-primary-lighter: #1A1D27;--color-primary-dark: #002D7A;--bnu-blue: #1A5FBF;--color-text-primary: #E4E4EC;--color-text-secondary: #9CA3B4;--color-text-placeholder: #9CA3B4;--text-primary: #E4E4EC;--text-secondary: #9CA3B4;--color-bg-primary: #0F1117;--color-bg-secondary: #1A1D27;--color-bg-chat: #141720;--bg-primary: #0F1117;--bg-secondary: #1A1D27;--color-border: #2A2D3A;--border-color: #2A2D3A;--bubble-user-bg: #1A5FBF;--bubble-user-text: #FFFFFF;--bubble-assistant-bg: #1E2130;--bubble-assistant-text: #E4E4EC;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);color-scheme:dark}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base);height:100vh;overflow:hidden;scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:1rem;line-height:1.6;color:var(--color-text-primary);background-color:var(--color-bg-primary);zoom:var(--font-scale, 1);width:calc(100vw / var(--font-scale, 1));height:calc(100vh / var(--font-scale, 1));overflow:hidden;transition:color .3s ease,background-color .3s ease}img,svg,video{display:block;max-width:100%;height:auto}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}ul,ol{list-style:none}table{border-collapse:collapse;border-spacing:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background-color:var(--color-text-placeholder)}::selection{background-color:var(--color-primary);color:#fff}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100%;left:0;z-index:10000;padding:8px 16px;background:var(--color-primary);color:#fff;font-size:14px;text-decoration:none}.skip-link:focus{top:0}.keyboard-nav *:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px;box-shadow:0 0 0 6px #003da526}@media(prefers-contrast:more){:root{--color-text-primary: #000000;--color-text-secondary: #333333;--color-border: #666666}[data-theme=dark]{--color-text-primary: #ffffff;--color-text-secondary: #cccccc;--color-border: #999999}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.touch-target{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}