#f0fdf4 !important; transform: scale(1.05);
        }
        .highlight-remove {
            border-color: #ef4444 !important; background-color: #fef2f2 !important; opacity: 0.5; transform: scale(0.95);
        }
    </style>
</head>
<body>

<div id="app" class="max-w-4xl mx-auto px-4 py-8">
    
    <div class="text-center mb-8">
        <h1 class="text-4xl font-bold text-slate-800">现代顺序栈浏览器</h1>
        <p class="text-slate-500 mt-2">一个直观的、交互式的顺序栈（