解决方案-生物制药解决方案

document.addEventListener('DOMContentLoaded', function() { // 数据禁止展示[3,5](@ref) const overlay = document.createElement('div'); overlay.style.cssText = ` position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.96); z-index: 9999; display: flex; justify-content: center; align-items: center; `; // 初始弹窗内容[8](@ref) overlay.innerHTML = `

🔒 浏览器正在进行防御检测

安全倒计时：5秒

`; // 阻止页面滚动[3](@ref) document.body.style.overflow = 'hidden'; document.documentElement.style.overflow = 'hidden'; document.body.appendChild(overlay); // 倒计时逻辑[6,8](@ref) let seconds = 5; const countdownElement = document.getElementById('countdown'); const alertBox = overlay.querySelector('div'); const timer = setInterval(() => { seconds--; countdownElement.textContent = seconds; if(seconds <= 0) { clearInterval(timer); // 显示继续按钮[2](@ref) alertBox.innerHTML = `