<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>PrismBrowser - 主界面</title>
  <style>
    body, html {
      margin: 0;
      padding: 0;
      height: 100%;
      overflow: hidden;
    }

    /* 调试面板样式 */
    .debug-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(3px