*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #007AFF;--color-primary-dark: #0056CC;--color-success: #34C759;--color-danger: #FF3B30;--color-warning: #FF9500;--color-gray-100: #F5F5F7;--color-gray-200: #E5E5EA;--color-gray-300: #D1D1D6;--color-gray-500: #8E8E93;--color-gray-700: #48484A;--color-gray-900: #1C1C1E;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans TC", sans-serif;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1)}body{font-family:var(--font-family);background-color:var(--color-gray-100);color:var(--color-gray-900);line-height:1.5}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#fff;border-bottom:1px solid var(--color-gray-200);position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center}.brand-link{display:flex;align-items:center;text-decoration:none;color:var(--color-gray-900);font-weight:600;font-size:18px}.brand-icon{font-size:24px;margin-right:8px}.nav-menu{display:flex;list-style:none;gap:8px}.nav-link{display:block;padding:8px 16px;text-decoration:none;color:var(--color-gray-700);border-radius:var(--radius-md);font-weight:500;transition:all .2s}.nav-link:hover{background-color:var(--color-gray-100)}.nav-link.active{color:var(--color-primary);background-color:#007aff1a}.app-main{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:24px 20px}.app-footer{background:#fff;border-top:1px solid var(--color-gray-200);padding:16px;text-align:center;color:var(--color-gray-500);font-size:14px}.fade-enter-active,.fade-leave-active{transition:opacity .2s ease}.fade-enter-from,.fade-leave-to{opacity:0}@media (max-width: 768px){.brand-text{display:none}.nav-menu{gap:4px}.nav-link{padding:8px 12px;font-size:14px}}