html,body,#app{margin:0;padding:0;height:100%}:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #a5b4fc;--primary-bg: rgba(99, 102, 241, .08);--primary-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #6b7280;--bg: #f8fafc;--bg-white: #ffffff;--bg-elevated: #ffffff;--text-primary: #0f172a;--text-regular: #334155;--text-secondary: #64748b;--text-placeholder: #94a3b8;--text-disabled: #cbd5e1;--border: #e2e8f0;--border-light: #f1f5f9;--border-darker: #cbd5e1;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .06), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .06), 0 4px 6px -2px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-hover: 0 10px 30px rgba(99, 102, 241, .1);--radius-sm: 4px;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 20px;--transition-fast: all .15s cubic-bezier(.4, 0, .2, 1);--transition: all .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: all .4s cubic-bezier(.4, 0, .2, 1);--header-height: 64px;--sidebar-width: 240px;--sidebar-collapsed: 64px;--content-max-width: 1200px;--z-dropdown: 100;--z-sticky: 200;--z-overlay: 800;--z-modal: 1000;--z-notification: 1100}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;padding:0;background-color:var(--bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}#app{min-height:100vh}a{color:var(--primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary-dark)}::selection{background:#6366f133;color:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px;transition:background .2s}::-webkit-scrollbar-thumb:hover{background:#94a3b8}*{scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}.edu-card{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:var(--transition)}.edu-card:hover{box-shadow:var(--shadow-hover)}.section-title{font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:24px;display:flex;align-items:center;gap:10px}.section-title:before{content:"";display:inline-block;width:4px;height:24px;background:var(--primary-gradient);border-radius:2px;flex-shrink:0}.page-container{max-width:var(--content-max-width);margin:0 auto;padding:0 24px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.page-header h2{font-size:22px;font-weight:700;margin:0 0 4px;color:var(--text-primary)}.page-header .header-desc{font-size:13px;color:var(--text-secondary)}.fade-enter-active,.fade-leave-active{transition:opacity .3s ease}.fade-enter-from,.fade-leave-to{opacity:0}.slide-fade-enter-active{transition:all .35s cubic-bezier(.4,0,.2,1)}.slide-fade-leave-active{transition:all .2s cubic-bezier(.4,0,.2,1)}.slide-fade-enter-from{opacity:0;transform:translateY(12px)}.slide-fade-leave-to{opacity:0;transform:translateY(-8px)}.scale-in-enter-active{transition:all .3s cubic-bezier(.34,1.56,.64,1)}.scale-in-leave-active{transition:all .2s ease}.scale-in-enter-from{opacity:0;transform:scale(.92)}.scale-in-leave-to{opacity:0;transform:scale(.96)}.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s cubic-bezier(.4,0,.2,1),transform .6s cubic-bezier(.4,0,.2,1)}.reveal.visible{opacity:1;transform:translateY(0)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.admin-card{border-radius:var(--radius-lg);border:1px solid var(--border-light)}.skeleton-pulse{animation:shimmer 1.8s ease-in-out infinite;background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 37%,#f1f5f9 63%);background-size:200% 100%;border-radius:6px}@media(max-width:768px){.page-container{padding:0 16px}.section-title{font-size:20px;margin-bottom:16px}.page-header{flex-direction:column;gap:12px;align-items:flex-start}}@media print{.site-header,.admin-sidebar,.admin-topbar,.site-footer{display:none!important}}