meta-human/index.html at master · LessUp/meta-human · GitHub

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<!doctype html>
<html lang="zh-CN" dir="ltr">
  <head>
    <!-- 基础元数据 -->
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />

    <!-- 主题色 -->
    <meta name="theme-color" content="#6366f1" media="(prefers-color-scheme: light)" />
    <meta name="theme-color" content="#1e1b4b" media="(prefers-color-scheme: dark)" />

    <!-- 描述和关键词 -->
    <meta
      name="description"
      content="MetaHuman Engine - 开源 3D 数字人交互引擎，支持语音、视觉和对话能力。零配置，离线可用，生产级品质。"
      data-i18n-meta="description"
    />
    <meta
      name="keywords"
      content="digital human, 3D avatar, AI, voice interaction, computer vision, WebGL, Three.js, React, TypeScript, 数字人, 3D形象, 人工智能, 语音交互, 计算机视觉"
      data-i18n-meta="keywords"
    />
    <meta name="author" content="LessUp" />
    <meta name="robots" content="index, follow" />

    <!-- 开放图谱 / Open Graph -->
    <meta property="og:type" content="website" />
    <meta property="og:site_name" content="MetaHuman Engine" />
    <meta
      property="og:title"
      content="MetaHuman Engine - 3D数字人交互引擎"
      data-i18n-meta="og:title"
    />
    <meta
      property="og:description"
      content="浏览器原生的 3D 数字人引擎，集成语音、视觉、对话能力。零配置，离线可用，生产级。"
      data-i18n-meta="og:description"
    />
    <meta property="og:url" content="${BASE_URL}" />
    <meta property="og:image" content="${BASE_URL}og-image.png" />
    <meta property="og:image:width" content="1200" />
    <meta property="og:image:height" content="630" />
    <meta property="og:locale" content="en_US" />
    <meta property="og:locale:alternate" content="zh_CN" />

    <!-- Twitter 卡片 -->
    <meta name="twitter:card" content="summary_large_image" />
    <meta name="twitter:site" content="@LessUpHQ" />
    <meta name="twitter:creator" content="@LessUpHQ" />
    <meta name="twitter:title" content="MetaHuman Engine - 3D Digital Human Platform" />
    <meta
      name="twitter:description"
      content="Browser-native 3D digital human engine with voice, vision, and dialogue capabilities"
    />
    <meta name="twitter:image" content="${BASE_URL}og-image.png" />

    <!-- iOS Safari -->
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
    <meta name="apple-mobile-web-app-title" content="MetaHuman" data-i18n-meta="apple:title" />

    <!-- Windows -->
    <meta name="msapplication-TileColor" content="#6366f1" />
    <meta name="msapplication-config" content="./browserconfig.xml" />

    <!-- 移动端优化 -->
    <meta name="mobile-web-app-capable" content="yes" />
    <meta name="format-detection" content="telephone=no" />
    <meta name="apple-touch-fullscreen" content="yes" />

    <!-- PWA Manifest -->
    <link rel="manifest" href="./manifest.json" />

    <!-- Favicon -->
    <link rel="icon" type="image/svg+xml" href="./favicon.svg" />
    <link rel="apple-touch-icon" href="./favicon.svg" />
    <link rel="mask-icon" href="./favicon.svg" color="#6366f1" />

    <!-- DNS 预解析 -->
    <link rel="dns-prefetch" href="https://fonts.googleapis.com" />
    <link rel="dns-prefetch" href="https://fonts.gstatic.com" />

    <!-- 预连接 -->
    <link rel="preconnect" href="https://fonts.googleapis.com" crossorigin />
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />

    <!-- 字体预加载 -->
    <link
      rel="preload"
      href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap"
      as="style"
    />
    <link
      rel="stylesheet"
      href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap"
      media="print"
      onload="this.media = 'all'"
    />
    <noscript
      ><link
        rel="stylesheet"
        href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap"
    /></noscript>

    <!-- OpenSearch -->
    <link
      rel="search"
      type="application/opensearchdescription+xml"
      title="MetaHuman"
      href="./opensearch.xml"
    />

    <!-- Canonical -->
    <link rel="canonical" href="${BASE_URL}" />

    <!-- 替代语言 -->
    <link rel="alternate" hreflang="en" href="${BASE_URL}" />
    <link rel="alternate" hreflang="zh-CN" href="${BASE_URL}?lang=zh" />
    <link rel="alternate" hreflang="x-default" href="${BASE_URL}" />

    <!-- 安全性 -->
    <meta
      http-equiv="Content-Security-Policy"
      content="default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' blob:; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; img-src 'self' data: blob: https:; media-src 'self' blob: https:; connect-src 'self' https: wss:; frame-ancestors 'none'; base-uri 'self'; form-action 'self';"
    />

    <!-- 语言检测 - 必须在其他脚本之前执行 -->
    <script>
      (function () {
        // 简化的语言初始化，优先级与 src/lib/i18n.ts getCurrentLanguage() 一致
        // URL 参数 > localStorage > 浏览器语言
        const params = new URLSearchParams(window.location.search);
        const urlLang = params.get('lang');
        const storedLang = localStorage.getItem('preferred-lang');
        const browserLang = navigator.language || '';

        let lang = 'zh-CN';
        if (urlLang === 'en') {
          lang = 'en';
        } else if (urlLang === 'zh') {
          lang = 'zh-CN';
        } else if (storedLang === 'en' || storedLang === 'zh-CN') {
          lang = storedLang;
        } else if (/^en/i.test(browserLang)) {
          lang = 'en';
        }

        // 设置 HTML lang 属性
        document.documentElement.lang = lang;
        document.documentElement.setAttribute('data-lang', lang);

        // 存储到 window 供 React 应用读取（首次渲染优化）
        window.__INITIAL_LANG__ = lang;
      })();
    </script>

    <!-- 性能优化脚本 -->
    <script>
      // 检测 WebGL 支持
      (function () {
        try {
          var canvas = document.createElement('canvas');
          var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
          window.__WEBGL_SUPPORTED__ = !!gl;
        } catch (e) {
          window.__WEBGL_SUPPORTED__ = false;
        }
      })();

      // 检测触摸设备
      window.__TOUCH_DEVICE__ = 'ontouchstart' in window || navigator.maxTouchPoints > 0;

      // 检测偏好减少动画
      window.__REDUCE_MOTION__ = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

      // 检测深色模式
      window.__DARK_MODE__ = window.matchMedia('(prefers-color-scheme: dark)').matches;
    </script>

    <!-- 关键 CSS 内联 -->
    <style>
      /* 关键路径 CSS - 首屏渲染必需 */
      *,
      *::before,
      *::after {
        box-sizing: border-box;
      }

      html {
        font-family:
          'Inter',
          -apple-system,
          BlinkMacSystemFont,
          'Segoe UI',
          Roboto,
          sans-serif;
        font-size: 16px;
        line-height: 1.5;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
        scroll-behavior: smooth;
        overflow-x: hidden;
      }

      body {
        min-height: 100vh;
        min-height: 100dvh; /* 动态视口高度 */
        width: 100%;
        max-width: 100vw;
        background: #0a0a0a;
        color: #fafafa;
        overflow-x: hidden;
      }

      #root {
        min-height: 100vh;
        min-height: 100dvh;
      }

      /* 加载占位符 */
      .loading-screen {
        position: fixed;
        inset: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
        z-index: 9999;
        transition:
          opacity 0.3s ease,
          visibility 0.3s ease;
      }

      .loading-screen.hidden {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
      }

      .loading-spinner {
        width: 48px;
        height: 48px;
        border: 3px solid rgba(99, 102, 241, 0.2);
        border-top-color: #6366f1;
        border-radius: 50%;
        animation: spin 1s linear infinite;
      }

      @keyframes spin {
        to {
          transform: rotate(360deg);
        }
      }

      .loading-text {
        margin-top: 1rem;
        color: #a1a1aa;
        font-size: 0.875rem;
      }

      /* WebGL 不支持提示 */
      .no-webgl {
        display: none;
        text-align: center;
        padding: 2rem;
      }

      .no-webgl.visible {
        display: block;
      }
    </style>

    <title data-i18n-meta="title">MetaHuman Engine - 开源 3D 数字人交互引擎</title>
  </head>
  <body>
    <!-- 加载屏幕 -->
    <div id="loading-screen" class="loading-screen">
      <div class="loading-spinner"></div>
      <p class="loading-text">Loading MetaHuman Engine...</p>
      <div id="no-webgl" class="no-webgl">
        <h2>WebGL Not Supported</h2>
        <p>Your browser doesn't support WebGL, which is required for 3D rendering.</p>
        <p>Please use a modern browser like Chrome, Firefox, or Safari.</p>
      </div>
    </div>

    <!-- React 挂载点 -->
    <div id="root"></div>

    <!-- 隐藏加载屏幕脚本 -->
    <script>
      window.addEventListener('load', function () {
        if (!window.__WEBGL_SUPPORTED__) {
          document.getElementById('no-webgl').classList.add('visible');
        }

        // 延迟隐藏加载屏幕，确保 React 已挂载
        setTimeout(function () {
          var loader = document.getElementById('loading-screen');
          if (loader) {
            loader.classList.add('hidden');
            setTimeout(function () {
              loader.remove();
            }, 300);
          }
        }, 500);
      });

      // 加载超时处理
      setTimeout(function () {
        var loader = document.getElementById('loading-screen');
        if (loader && !loader.classList.contains('hidden')) {
          var text = loader.querySelector('.loading-text');
          if (text) {
            text.textContent = 'Taking longer than expected...';
          }
        }
      }, 10000);
    </script>

    <!-- 主应用脚本 -->
    <script type="module" src="/src/main.tsx"></script>
  </body>
</html>