CSS脉冲光环动画效果

原创已于 2025-09-15 18:56:33 修改 · 188 阅读
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于 2025-09-15 18:53:44 首次发布
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>脉冲光环动画</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
            overflow: hidden;
        }
        
        .container {
            text-align: center;
            max-width: 800px;
            width: 100%;
            padding: 30px;
        }
        
        h1 {
            margin-bottom: 40px;
            font-size: 2.8rem;
            color: #fff;
            text-shadow: 0 0 15px rgba(233, 29, 182, 0.7);
            letter-spacing: 2px;
        }
        
        .description {
            margin-bottom: 50px;
            font-size: 1.2rem;
            line-height: 1.6;
            color: #a3a3c3;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .pulse-demo-area {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 300px;
            height: 300px;
            margin: 0 auto 50px;
        }
        
        .pulse-ring {
            position: absolute;
            border: 4px solid rgba(233, 29, 182, 0.3);
            border-radius: 50%;
            animation: pulse 2s ease-out infinite;
        }
        
        .pulse-1 {
            width: 120px;
            height: 120px;
            animation-delay: 0s;
        }
        
        .pulse-2 {
            width: 140px;
            height: 140px;
            animation-delay: 0.7s;
        }
        
        .pulse-3 {
            width: 160px;
            height: 160px;
            animation-delay: 1.4s;
        }
        
        .pulse-center {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, #e91db6 0%, #f06292 50%, #e91db6 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.8rem;
            z-index: 10;
            box-shadow: 
                0 8px 32px rgba(233, 29, 182, 0.4),
                0 0 0 4px rgba(233, 29, 182, 0.1),
                inset 0 4px 12px rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .pulse-center:hover {
            transform: scale(1.05);
            box-shadow: 
                0 12px 40px rgba(233, 29, 182, 0.6),
                0 0 0 6px rgba(233, 29, 182, 0.15),
                inset 0 6px 16px rgba(255, 255, 255, 0.4);
        }
        
        @keyframes pulse {
            0% {
                transform: scale(0.8);
                opacity: 1;
            }
            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }
        
        .code-container {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 12px;
            padding: 25px;
            margin-top: 30px;
            overflow-x: auto;
            font-family: 'Consolas', 'Monaco', monospace;
            font-size: 16px;
            border: 1px solid rgba(233, 29, 182, 0.2);
        }
        
        pre {
            color: #f8f8f8;
            line-height: 1.5;
            white-space: pre-wrap;
        }
        
        .comment {
            color: #6a9955;
        }
        
        .selector {
            color: #d7ba7d;
        }
        
        .property {
            color: #9cdcfe;
        }
        
        .value {
            color: #ce9178;
        }
        
        .usage {
            margin-top: 40px;
            padding: 20px;
            background: rgba(233, 29, 182, 0.1);
            border-radius: 12px;
            border-left: 4px solid #e91db6;
        }
        
        .usage h2 {
            margin-bottom: 15px;
            color: #f06292;
        }
        
        .usage p {
            line-height: 1.6;
            color: #c5c5d6;
        }
        
        .footer {
            margin-top: 50px;
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 600px) {
            h1 {
                font-size: 2.2rem;
            }
            
            .description {
                font-size: 1rem;
            }
            
            .pulse-demo-area {
                width: 250px;
                height: 250px;
            }
            
            .pulse-center {
                width: 80px;
                height: 80px;
                font-size: 1.5rem;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>脉冲光环动画效果</h1>
        
        <p class="description">
            脉冲光环动画通过多个逐渐放大的圆环创造出视觉上的脉冲效果，非常适合用于吸引用户注意重要元素。
        </p>
        
        <div class="pulse-demo-area">
            <div class="pulse-ring pulse-1"></div>
            <div class="pulse-ring pulse-2"></div>
            <div class="pulse-ring pulse-3"></div>
            <div class="pulse-center">+</div>
        </div>
        
        <div class="code-container">
            <pre><code><span class="comment">/* 脉冲光环动画CSS代码 */</span>
<span class="selector">.pulse-ring</span> {
    <span class="property">position</span>: <span class="value">absolute</span>;
    <span class="property">border</span>: <span class="value">4px solid rgba(233, 29, 182, 0.3)</span>;
    <span class="property">border-radius</span>: <span class="value">50%</span>;
    <span class="property">animation</span>: <span class="value">pulse 2s ease-out infinite</span>;
}

<span class="selector">.pulse-1</span> {
    <span class="property">width</span>: <span class="value">120px</span>;
    <span class="property">height</span>: <span class="value">120px</span>;
    <span class="property">animation-delay</span>: <span class="value">0s</span>;
}

<span class="selector">.pulse-2</span> {
    <span class="property">width</span>: <span class="value">140px</span>;
    <span class="property">height</span>: <span class="value">140px</span>;
    <span class="property">animation-delay</span>: <span class="value">0.7s</span>;
}

<span class="selector">.pulse-3</span> {
    <span class="property">width</span>: <span class="value">160px</span>;
    <span class="property">height</span>: <span class="value">160px</span>;
    <span class="property">animation-delay</span>: <span class="value">1.4s</span>;
}

<span class="selector">@keyframes pulse</span> {
    <span class="value">0%</span> {
        <span class="property">transform</span>: <span class="value">scale(0.8)</span>;
        <span class="property">opacity</span>: <span class="value">1</span>;
    }
    <span class="value">100%</span> {
        <span class="property">transform</span>: <span class="value">scale(1.5)</span>;
        <span class="property">opacity</span>: <span class="value">0</span>;
    }
}</code></pre>
        </div>
        
        <div class="usage">
            <h2>使用场景</h2>
            <p>脉冲光环动画非常适合用于：</p>
            <p>• 吸引用户点击重要按钮</p>
            <p>• 提示用户进行某些操作</p>
            <p>• 应用中的特效和过渡效果</p>
            <p>• 游戏界面中的特殊元素提示</p>
        </div>
    </div>
    
    <div class="footer">
        <p>脉冲光环动画 - 专为吸引用户注意力而设计</p>
    </div>
</body>
</html>