小游戏推广联盟_茂名网站建设推广_合肥关键词排名提升_宁波seo推广优化怎么做

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<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>2025年跨年倒计时</title><style>/* 页面整体样式 */body {font-family: 'Arial', sans-serif;background: linear-gradient(45deg, #f39c12, #e74c3c, #8e44ad, #3498db);background-size: 400% 400%;animation: gradientAnimation 15s ease infinite;margin: 0;height: 100vh;display: flex;flex-direction: column;justify-content: center;align-items: center;color: white;text-align: center;overflow: hidden;}/* 动画背景渐变 */@keyframes gradientAnimation {0% { background-position: 0% 50%; }50% { background-position: 100% 50%; }100% { background-position: 0% 50%; }}/* 页面标题样式 */.title {font-size: 2.5em;font-weight: bold;margin-bottom: 20px;text-shadow: 0 0 15px rgba(255, 255, 255, 0.7), 0 0 30px rgba(255, 255, 255, 0.7);}/* 主倒计时样式 */.countdown {font-size: 4em;font-weight: bold;text-shadow: 0 0 15px rgba(255, 255, 255, 0.7), 0 0 30px rgba(255, 255, 255, 0.7);margin-bottom: 20px;letter-spacing: 3px;}/* 新年祝福样式 */.message {font-size: 2.5em;font-weight: bold;letter-spacing: 2px;margin-top: 20px;}/* 新年闪烁效果 */.happy-new-year {font-size: 5em;color: #ff6347;animation: sparkle 1.5s infinite alternate;text-shadow: 0 0 10px #ff6347, 0 0 30px #ff6347, 0 0 60px #ff6347;}/* 闪烁动画 */@keyframes sparkle {0% { color: #ff6347; text-shadow: 0 0 10px #ff6347, 0 0 30px #ff6347, 0 0 60px #ff6347; }100% { color: #fff; text-shadow: 0 0 10px #fff, 0 0 30px #fff, 0 0 60px #fff; }}/* 全屏按钮样式 */.btn-fullscreen {position: absolute;top: 0;left: 0;width: 100%;height: 100%;background: rgba(0, 0, 0, 0.6);color: white;font-size: 2em;font-weight: bold;border: none;cursor: pointer;display: flex;justify-content: center;align-items: center;transition: background 0.3s ease;}.btn-fullscreen:hover {background: rgba(0, 0, 0, 0.8);}</style>
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<body><!-- 全屏按钮 --><button class="btn-fullscreen" id="fullscreenButton">点击全屏观看倒计时</button><!-- 标题 --><div class="title">2025年跨年倒计时</div><div><!-- 倒计时显示 --><div class="countdown" id="countdown"></div><!-- 新年祝福 --><div class="message" id="message"></div><!-- 新年闪烁祝福 --><div class="happy-new-year" id="happyNewYear">🎉🎆🎇</div></div><script>// 目标时间：2025年1月1日 00:00:00const targetDate = new Date('2025-01-01T00:00:00').getTime();// 更新倒计时function updateCountdown() {const now = new Date().getTime();const distance = targetDate - now;// 计算剩余的天、时、分、秒const days = Math.floor(distance / (1000 * 60 * 60 * 24));const hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));const minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));const seconds = Math.floor((distance % (1000 * 60)) / 1000);// 显示倒计时document.getElementById('countdown').innerHTML = `${days} 天 ${hours} 小时 ${minutes} 分 ${seconds} 秒`;// 当倒计时结束if (distance < 0) {document.getElementById('countdown').innerHTML = "新年快乐！";document.getElementById('message').innerHTML = "2025年到啦！";document.getElementById('happyNewYear').innerHTML = "🎉🎆🎇";}}// 每秒更新一次倒计时setInterval(updateCountdown, 1000);// 全屏按钮功能const fullscreenButton = document.getElementById('fullscreenButton');fullscreenButton.addEventListener('click', () => {// 切换全屏模式if (document.documentElement.requestFullscreen) {document.documentElement.requestFullscreen();} else if (document.documentElement.mozRequestFullScreen) { // Firefoxdocument.documentElement.mozRequestFullScreen();} else if (document.documentElement.webkitRequestFullscreen) { // Chrome, Safari, Operadocument.documentElement.webkitRequestFullscreen();} else if (document.documentElement.msRequestFullscreen) { // IE/Edgedocument.documentElement.msRequestFullscreen();}// 隐藏全屏按钮fullscreenButton.style.display = 'none';});</script></body>
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小游戏推广联盟_茂名网站建设推广_合肥关键词排名提升_宁波seo推广优化怎么做

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