// i18n.js — 千视科技官网双语系统（字典式文本节点替换）
(function(){
var DICT = {
  // ===== 通用 =====
  "千视科技": "Qianshi Tech",
  "首页": "Home",
  "免费咨询": "Free Consult",
  "查看案例": "View Cases",
  "立即咨询": "Contact Now",
  "了解详情 →": "Learn More →",
  "联系我们": "Contact Us",
  "预约咨询": "Consult",
  "返回顶部": "Back to Top",
  "了解企业智能体": "Learn Enterprise AI",
  "© 2019-2026 千视科技 版权所有": "© 2019-2026 Qianshi Tech. All Rights Reserved",
  "粤ICP备2026089876号-1": "粤ICP备2026089876号-1",
  "友情链接": "Links",
  "网站地图": "Sitemap",
  "隐私政策": "Privacy Policy",
  "法律声明": "Legal Notice",
  "免责声明": "Disclaimer",
  "关于Cookie": "Cookie Policy",
  "地址：深圳": "Addr: Shenzhen",

  // ===== 导航 =====
  "企业智能体": "Enterprise AI",
  "RAG企业知识库": "RAG Knowledge Base",
  "AI私有专家": "AI Private Expert",
  "AI客服": "AI Customer Service",
  "数字人/视频复刻/IP": "Digital Human / Video / IP",
  "OPC一人公司": "OPC One-Person Biz",
  "AI拓客": "AI Prospecting",
  "Superlink": "Superlink",
  "EDM邮件": "EDM Email",
  "AI推广": "AI Promotion",
  "自媒体代运营": "Social Media Ops",
  "GEO/SEO/SEM": "GEO/SEO/SEM",
  "建站": "Website Building",
  "舆情管理": "Sentiment Mgmt",
  "软件定制": "Custom Software",
  "客户案例": "Cases",
  "博客": "Blog",
  "营销资料中心": "Marketing Resources",
  "论坛": "Forum",
  "关于我们": "About Us",
  "公司介绍": "Company",
  "新闻中心": "News",
  "加入我们": "Careers",
  "解决方案": "Solutions",
  "联系方式": "Contact",
  "服务客户": "Clients Served",
  "AI解决方案": "AI Solutions",
  "数字员工在线": "Online 24/7",
  "平均增长倍数": "Avg. Growth",

  // ===== 首页 =====
  "用AI智能体驱动企业增长": "Drive Growth with AI Agents",
  "企业智能体 · AI拓客 · AI推广 · 软件定制 —— 一站式AI数字化增长引擎，让每一家企业都能用上AI。": "Enterprise AI Agents · AI Prospecting · AI Promotion · Custom Software — a one-stop AI growth engine for every business.",
  "核心业务": "Core Business",
  "四大业务线，覆盖企业AI应用的每个环节": "Four business lines covering every stage of enterprise AI adoption",
  "RAG知识库、AI私有专家、AI客服、数字人/视频复刻、OPC一人公司，让企业拥有24小时在线的数字员工。": "RAG knowledge base, AI private experts, AI customer service, digital humans & OPC — 24/7 digital workforce for your business.",
  "Superlink精准触达 + EDM邮件营销，基于数据驱动的智能获客，让线索量翻倍。": "Superlink precise outreach + EDM email marketing — data-driven acquisition that doubles your leads.",
  "自媒体代运营、GEO/SEO/SEM、建站、舆情管理，AI赋能的全域营销增长。": "Social media ops, GEO/SEO/SEM, website building, sentiment management — AI-powered omnichannel growth.",
  "从需求分析到交付运维，定制开发贴合业务的企业软件系统。": "From requirements to delivery, custom software tailored to your business.",
  "公司优势": "Our Advantages",
  "为什么选择千视科技": "Why choose Qianshi Tech",
  "技术深耕": "Deep Tech",
  "自研AI智能体平台，全栈技术能力，紧跟大模型技术前沿。": "Self-developed AI agent platform with full-stack capability, at the forefront of LLM technology.",
  "结果导向": "Result-Driven",
  "以业务增长为目标，用数据说话，每个方案都有可量化的交付成果。": "Growth-focused with measurable deliverables on every solution.",
  "贴身服务": "Dedicated Support",
  "从咨询、实施到运维的一站式服务，技术团队全程陪跑。": "One-stop service from consulting to deployment to maintenance, with our team by your side.",
  "业务亮点": "Highlights",
  "AI驱动的增长引擎": "AI-powered growth engine",
  "AI智能体落地方案": "AI Agent Deployment",
  "RAG企业知识库私有化部署，数据不出域；AI客服7×24小时在线，秒级响应客户咨询。": "Private RAG knowledge base with data sovereignty; 24/7 AI customer service with instant responses.",
  "AI驱动的精准拓客": "AI-Driven Prospecting",
  "Superlink + EDM组合拳，数据驱动精准触达目标客户，获客成本大幅降低。": "Superlink + EDM combo for precision outreach, drastically cutting acquisition cost.",
  "全域AI推广": "Omnichannel AI Promotion",
  "自媒体代运营+SEO/SEM+GEO，AI生成内容+智能投放，覆盖搜索与内容双引擎。": "Social media ops + SEO/SEM/GEO with AI-generated content across search and content engines.",
  "软件定制开发": "Custom Software Dev",
  "贴合业务的定制开发，覆盖管理系统、数据平台、自动化工具等。": "Business-fit custom development covering management systems, data platforms, automation tools.",
  "来自客户的肯定": "Client Testimonials",
  "真实客户的声音": "Voices from our clients",
  "最新资讯": "Latest News",
  "行业洞察与公司动态": "Industry insights & company updates",
  "行业洞察": "Insight",
  "公司动态": "News",
  "准备好让AI驱动你的业务了吗？": "Ready to let AI drive your business?",
  "告诉我们你的业务场景，我们帮你落地第一个AI方案": "Tell us your scenario, we'll deploy your first AI solution",

  // ===== 二级业务页通用 =====
  "核心能力": "Core Capabilities",
  "客户案例": "Client Case",
  "查看全部案例": "View All Cases",
  "需要这项服务？": "Need this service?",
  "需要帮助？": "Need help?",
  "联系我们，获取专属解决方案": "Contact us for a tailored solution",
  "满足你的业务场景": "Fit your business scenario",
  "案例详情": "Case Detail",
  "项目背景": "Background",
  "解决方案": "Solution",
  "成果数据": "Results",
  "功能亮点": "Features",
  "项目成果": "Outcomes",
  "三大场景覆盖 · 热点驱动 · AI生成 · 积分自助": "3 Scenarios · Hotspot-Driven · AI Generation · Credit-Based",
  "进入视频复刻 →": "Enter Video Replication →",

  // ===== 案例标题 =====
  "视频爆款复刻系统": "Viral Video Replication",
  "IP智能体客服": "IP Agent Customer Service",
  "AI带货视频批量生产": "AI E-commerce Video Batch",
  "AI量化交易策略": "AI Quant Trading",
  "企业GEO搜索引擎优化": "Enterprise GEO Optimization",
  "舆情监控自动化": "Sentiment Monitoring",
  "盘中资讯监测系统": "Real-Time Market Intelligence",
  "AI一站式小说平台": "AI All-in-One Novel Platform",
  "真实落地案例，可复现、带交付物": "Real-world cases, reproducible with deliverables",

  // ===== 一级聚合页 =====
  "让企业拥有24小时在线的AI数字员工": "24/7 AI digital employees for your enterprise",
  "从知识库到专家、从客服到数字人，一站式企业智能体解决方案，覆盖企业运营的每一个环节。": "From knowledge bases to experts, from customer service to digital humans — one-stop enterprise AI covering every function.",
  "数据驱动的智能获客，让线索量翻倍": "Data-driven acquisition that doubles your leads",
  "精准触达+邮件营销双引擎，基于数据建模锁定高意向客户，自动跟进转化。": "Precision outreach + email marketing, data-modeled to lock high-intent prospects and auto-convert.",
  "AI赋能的全域营销增长": "AI-powered omnichannel growth",
  "内容、搜索、投放、舆情全覆盖，让每一分营销预算都产生回报。": "Content, search, ads and sentiment — every marketing dollar earns its return.",
  "定制开发贴合业务的企业软件": "Custom software tailored to your business",
  "从需求分析、架构设计到开发交付、运维迭代，全流程定制开发，让软件真正服务业务。": "Full-cycle custom development — requirements, architecture, delivery, maintenance — software that truly serves your business.",
  "AI营销干货、行业洞察与最佳实践": "AI marketing playbooks, insights and best practices",
  "持续更新的知识库，从实操方法到行业趋势，助你把握AI时代红利。": "A constantly updated library — from hands-on methods to industry trends — to seize the AI era.",
  "用AI让每一家企业都能用上": "Making AI accessible to every business",
  "成立于2019年，专注AI智能体技术研发与应用，服务500+企业客户。": "Founded in 2019, focused on AI agent R&D, serving 500+ enterprise clients.",
  "月均新增线索": "Leads / Month",
  "获客成本降幅": "CAC Reduction",
  "邮件送达率": "Deliverability",
  "注册转化率": "Signup Rate",
  "AI搜索提及率提升": "AI-Mention Lift",
  "月询单增长": "Inquiry Growth",
  "自然流量增长": "Organic Growth",
  "负面预警响应": "Alert Response",
  "AI应答率": "AI Resolution",
  "平均提效": "Avg. Efficiency",
  "服务客户": "Clients Served",
  "AI解决方案": "AI Solutions",
  "在线服务": "Online 24/7",
  "成立年份": "Founded",
  "篇干货文章": "Articles",
  "份行业报告": "Reports",
  "个实战案例": "Cases",
  "社区成员": "Members",
  "定制贴合": "100% Custom",
  "专属团队": "Dedicated Team",
  "运维保障": "O&M Support",
  "技术债": "Tech Debt",
};

// 构建反向字典
var REV = {};
Object.keys(DICT).forEach(function(k){ REV[DICT[k]] = k; });

var LANG = localStorage.getItem('__lang') || 'zh';
var ORIG = new Map();

function walkTextNodes(root, fn) {
  var walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, {
    acceptNode: function(node) {
      var tag = node.parentElement && node.parentElement.tagName;
      if (tag && ['SCRIPT','STYLE','SVG','NOSCRIPT'].indexOf(tag) === -1) return NodeFilter.FILTER_ACCEPT;
      return NodeFilter.FILTER_REJECT;
    }
  }, false);
  while (walker.nextNode()) fn(walker.currentNode);
}

window.setLang = function(lang) {
  if (lang === LANG) return;
  var toEN = (lang === 'en');
  var lookup = toEN ? DICT : REV;

  walkTextNodes(document.body, function(node) {
    var text = node.textContent.trim();
    if (!text) return;
    if (!ORIG.has(node)) ORIG.set(node, text);
    if (lookup[text]) { node.textContent = lookup[text]; return; }
    // 子串替换（长文本命中）
    var modified = text;
    var keys = Object.keys(lookup).sort(function(a,b){return b.length - a.length;});
    for (var i = 0; i < keys.length; i++) {
      var zh = keys[i];
      if (modified.indexOf(zh) !== -1 && zh.length > modified.length * 0.4) {
        modified = lookup[zh]; break;
      }
    }
    if (modified !== text) node.textContent = modified;
  });

  LANG = lang;
  localStorage.setItem('__lang', lang);
  document.querySelectorAll('.lang-toggle').forEach(function(b){
    b.style.opacity = b.dataset.lang === lang ? '1' : '.5';
  });
  document.documentElement.lang = lang === 'en' ? 'en' : 'zh-CN';
  // 翻译 title
  var titleKey = document.title;
  if (lookup[titleKey]) document.title = lookup[titleKey];
};

document.addEventListener('DOMContentLoaded', function() {
  if (LANG === 'en') setLang('en');
});
})();