Vue2基础

<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Vue2入门简介</title>
    
    <script src='https://unpkg.com/vue@2.7.14/dist/vue.min.js'></script>
    <style>
        body {
            background-color: #111;
            color: #e6e6e6;
            min-height: 100vh;
            overflow: hidden;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
        }

#app {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height: 100vh;
            width: 100vw;
        }

.container {
            background: #1a1a1a;
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            max-width: 500px;
            width: 90%;
            text-align: center;
        }

.title {
            color: #42b983;
            margin-top: 0;
            margin-bottom: 10px;
            font-size: 2.2rem;
        }

.counter-display {
            margin: 30px 0;
        }

.counter-value {
            font-size: 6rem;
            font-weight: bold;
            color: #42b983;
            text-shadow: 0 0 15px rgba(66, 185, 131, 0.4);
            transition: all 0.3s;
        }

.controls {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
            margin-top: 30px;
        }

.btn {
            padding: 14px 28px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: bold;
            min-width: 120px;
        }

.btn-primary {
            background-color: #42b983;
            color: white;
        }

.btn-secondary {
            background-color: #35495e;
            color: white;
        }

.btn-danger {
            background-color: #e74c3c;
            color: white;
        }
    </style>
</head>

<body>
    <div id="app">
        <div class="container">
            <h1 class="title">计数器</h1>
            <div class="counter-display">
                <div class="counter-value">{{ count }}</div>
            </div>

</div>
    </div>

</html>