:root{--primary-color: #4A90E2;--primary-light: #6BA3EC;--primary-dark: #357ABD;--success-color: #52C41A;--warning-color: #FAAD14;--danger-color: #FF4D4F;--info-color: #1890FF;--text-primary: #262626;--text-secondary: #595959;--text-disabled: #BFBFBF;--border-color: #E8E8E8;--background-base: #F5F7FA;--background-card: #FFFFFF;--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-success: linear-gradient(135deg, #56ab2f 0%, #a8e063 100%);--gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--radius-small: 4px;--radius-base: 8px;--radius-large: 12px;--radius-round: 50%;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-base: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s ease}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6;color:var(--text-primary);background-color:var(--background-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background-base);border-radius:var(--radius-small)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-small)}:is():hover{background:var(--text-disabled)}.container{max-width:1400px;margin:0 auto;padding:var(--spacing-base)}.card{background:var(--background-card);border-radius:var(--radius-large);padding:var(--spacing-lg);box-shadow:var(--shadow-md);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 20px;border:none;border-radius:var(--radius-base);font-size:14px;cursor:pointer;transition:all var(--transition-fast);background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm)}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0)}.btn.btn-success{background:var(--gradient-success)}.btn.btn-warning{background:var(--gradient-warm)}.btn.btn-danger{background:linear-gradient(135deg,#ff416c,#ff4b2b)}.input{width:100%;padding:10px 16px;border:1px solid var(--border-color);border-radius:var(--radius-base);font-size:14px;transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #4a90e21a}.layout{display:flex;min-height:100vh}.layout .sidebar{width:240px;background:var(--background-card);box-shadow:var(--shadow-sm);padding:var(--spacing-base)}.layout .main-content{flex:1;padding:var(--spacing-lg);overflow-y:auto}@media (max-width: 768px){:root{--spacing-lg: 16px;--spacing-xl: 24px}.layout{flex-direction:column}.layout .sidebar{width:100%}}.fade-enter-active,.fade-leave-active{transition:opacity var(--transition-base)}.fade-enter-from,.fade-leave-to{opacity:0}.slide-up-enter-active,.slide-up-leave-active{transition:all var(--transition-base)}.slide-up-enter-from,.slide-up-leave-to{opacity:0;transform:translateY(20px)}.loading{display:inline-block;width:24px;height:24px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary)}.empty-state .icon{font-size:48px;margin-bottom:var(--spacing-base);opacity:.3}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--background-card);border-radius:var(--radius-large);box-shadow:var(--shadow-lg);max-width:500px;width:90%;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}.modal-large{max-width:800px}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--border-color)}.modal-header h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:0}.close-btn{width:32px;height:32px;border:none;background:transparent;font-size:24px;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-base);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.close-btn:hover{background:var(--background-base);color:var(--text-primary)}.modal-body{padding:var(--spacing-lg)}.modal-footer{display:flex;justify-content:flex-end;gap:12px;padding-top:var(--spacing-base);border-top:1px solid var(--border-color);margin-top:var(--spacing-base)}.form-group{margin-bottom:var(--spacing-base)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-size:14px;color:var(--text-secondary)}.form-label .required{color:var(--danger-color);margin-left:4px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-base)}.radio-group{display:flex;gap:var(--spacing-lg)}.radio-group .radio-label{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer;font-size:14px;color:var(--text-secondary)}.btn-secondary{background:var(--background-base);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--border-color)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.modal{width:95%}.form-row{grid-template-columns:1fr}}