<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Poly Cloud - 极速互联，安全无界</title>

    <link rel="icon" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/icons/cloud-fill.svg">
    
    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/font-awesome/6.4.0/css/all.min.css">

    <style>
        /* --- 全局重置与基础设置 --- */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        
        :root {
            --color-primary-blue: #007AFF; 
            --color-secondary-orange: #FF9500; 
            --color-text-dark: #333333;
        }

        body {
            /* 字体样式 (思源宋体/衬线) */
            font-family: "Source Han Serif SC", "思源宋体", Arial, sans-serif;
            color: var(--color-text-dark);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            
            /* 背景图片设置 (沙滩) */
            background: url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=1920&q=80') no-repeat center center fixed;
            background-size: cover;
            background-color: #a0c4ff; 
        }

        /* --- 主容器 (玻璃拟态效果) --- */
        .wrapper {
            display: flex;
            width: 100%;
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        /* --- 左侧区域 --- */
        .left {
            flex: 1.2;
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background: rgba(255, 255, 255, 0.4);
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.3);
        }

        .logo {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 15px;
            background: linear-gradient(135deg, var(--color-primary-blue), #00c6ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 10px 20px rgba(0, 122, 255, 0.15);
        }

        .tagline {
            font-size: 16px;
            color: #555;
            margin-bottom: 40px;
            letter-spacing: 2px;
            font-weight: 500;
            text-transform: uppercase;
        }

        .welcome {
            font-size: 22px;
            font-weight: 700;
            color: #222;
            margin-bottom: 40px;
        }

        .buttons {
            display: flex;
            flex-direction: column;
            gap: 18px;
            width: 100%;
            max-width: 300px;
        }

        .buttons a {
            padding: 16px 20px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            text-align: center;
            transition: all 0.3s ease;
            display: block;
        }

        /* 主按钮样式 */
        .buttons a:first-child {
            background: linear-gradient(135deg, var(--color-primary-blue), #0062cc);
            color: #fff;
            box-shadow: 0 8px 20px rgba(0, 122, 255, 0.25);
        }
        .buttons a:first-child:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(0, 122, 255, 0.35);
        }

        /* 辅助按钮样式 */
        .buttons a:not(:first-child) {
            background: rgba(255, 255, 255, 0.6);
            color: #333;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .buttons a:not(:first-child):hover {
            background: #fff;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        /* --- 右侧区域 --- */
        .right {
            flex: 1.8;
            padding: 60px 50px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .entry {
            background: rgba(255, 255, 255, 0.5);
            padding: 25px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
            transition: transform 0.3s ease;
        }
        .entry:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.8);
        }

        .entry p {
            font-size: 15px;
            font-weight: 700;
            color: #444;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .group a {
            flex: 1;
            min-width: 120px;
            text-align: center;
            padding: 10px;
            font-size: 13px;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.2s;
        }
        
        /* 下载按钮专属样式 */
        .group.download-buttons a {
            background: rgba(0, 122, 255, 0.08);
            color: var(--color-primary-blue);
            border: 1px solid rgba(0, 122, 255, 0.3);
            font-weight: 700;
        }
        .group.download-buttons a:hover {
            background: var(--color-primary-blue);
            color: white;
            box-shadow: 0 5px 15px rgba(0, 122, 255, 0.3);
            transform: translateY(-2px);
        }

        /* 普通社区按钮样式 */
        .group.community-buttons a {
            color: #555;
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        /* 仅剩一个按钮时，调整其布局以更好地适应空间 */
        .group.community-buttons a {
            flex: 1 1 100%; /* 允许拉伸，占据一行 */
            max-width: 300px; /* 限制最大宽度 */
            margin: 0 auto; /* 居中 */
        }
        .group.community-buttons a:hover {
            background: #555;
            color: white;
        }

        /* 客户端按钮过多时，确保每行至少有3个 */
        @media (min-width: 600px) {
            .group.download-buttons {
                grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
                display: grid;
            }
        }
        
        /* --- 节点检测网格 --- */
        #node-check h3 {
            font-size: 16px;
            color: #333;
            margin-bottom: 15px;
            text-align: center;
            font-weight: 700;
        }

        #node-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            gap: 12px;
        }

        .node-card {
            background: white;
            border-radius: 10px;
            padding: 12px;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.3s;
        }
        .node-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }

        .node-card strong {
            display: block;
            font-size: 13px;
            color: #333;
            margin-bottom: 6px;
        }

        .status { font-size: 12px; margin-bottom: 4px; }
        .status-ok { color: #2ecc71; font-weight: bold; }
        .status-checking { color: #FF9500; font-weight: bold; }
        
        .latency {
            font-size: 12px;
            color: #888;
            font-family: monospace;
        }

        /* --- 移动端响应式 --- */
        @media (max-width: 900px) {
            .wrapper { flex-direction: column; width: 95%; }
            .left, .right { padding: 40px 25px; }
            .left { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.3); }
            .logo { font-size: 36px; }
            
            /* 移动端社区按钮调整 */
            .group.community-buttons a {
                max-width: 100%;
            }
        }
    </style>
</head>
<body>

    <div class="wrapper">
        <div class="left">
            <div class="logo-section">
                <div class="logo">Poly Cloud</div>
                <div class="tagline">🌌 极速互联 • 安全无界 • 跨越壁垒</div>
            </div>
            
            <div class="welcome">欢迎来到赛博互联新时代</div>
            
            <div class="buttons">
                <a href="https://cacb.poly-gf.com/#/login">
                    🚀 <strong>光速登录 / 注册</strong>
                </a>
                <a href="https://poly-gw.com">
                    ☁️ 备用官网入口
                </a>
                <a href="https://122.10.114.253">
                    🔗 稳定线路入口
                <a href="https://qa.polygw.top">
                    ☁️ 备用官网入口二
                <a href="https://ca.polygw.sbs">
                    ☁️ 备用官网入口三
                </a>
            </div>
        </div>

        <div class="right">
            <div class="entry">
                <p>⬇️ 快速部署：全平台客户端下载</p>
                <div class="group download-buttons">
                    <a href="https://itunes.apple.com/us/app/shadowrocket/id932747118?mt=8" target="_blank">
                        <i class="fab fa-apple"></i> iOS (iPhone/iPad)
                    </a>
                    <a href="https://poly788.com/soft/FlClash.dmg"><i class="fab fa-apple"></i> macOS (M系列)</a>
                    <a href="https://poly788.com/soft/FlClash-inter.dmg"><i class="fab fa-apple"></i> macOS (Intel)</a>
                    <a href="https://poly788.com/soft/FlClash.exe"><i class="fab fa-windows"></i> Windows</a>
                    <a href="https://poly788.com/soft/FlClash.apk"><i class="fab fa-android"></i> Android / APK</a>
                    <a href="https://poly788.com/soft/FlClash-linux-amd64.AppImage"><i class="fab fa-linux"></i> Linux </a>
                </div>
            </div>

            <div class="entry" id="node-check">
                <h3>🔥 热门节点加速状态 (延迟检测)</h3>
                <div id="node-grid">
                    </div>
            </div>

            <div class="entry">
                <p>🧑‍💻 开发者支持与社区</p>
                <div class="group community-buttons">
                    <a href="https://t.me/poly_networkPlus" target="_blank">
                        📢 Telegram 频道
                    </a>
                </div>
            </div>
        </div>
    </div>

    <script>
        // 定义节点列表
        const nodes = [
            { name: "Hong Kong (HK)" },
            { name: "Taiwan (TW)" },
            { name: "Singapore (SG)" },
            { name: "Japan (JP)" },
            { name: "United States (US)" }
        ];

        const grid = document.getElementById("node-grid");

        /**
         * 简单的字符串哈希函数，用于为每个节点名生成一个固定的、伪随机的数字。
         * @param {string} str 节点名称
         * @returns {number} 0-9999 范围内的整数
         */
        function simpleHash(str) {
            let hash = 0;
            for (let i = 0; i < str.length; i++) {
                hash = str.charCodeAt(i) + ((hash << 5) - hash);
            }
            return Math.abs(hash) % 10000;
        }

        // 辅助函数：生成 0 到 10ms 之间的随机抖动值
        function generateJitter(maxJitter = 10) {
            return Math.floor(Math.random() * (maxJitter + 1));
        }

        // 渲染节点并模拟延迟
        nodes.forEach(({ name }) => {
            // --- 延迟计算逻辑 (保持 40ms 到 100ms 范围不变) ---
            const hash = simpleHash(name);
            const MIN_BASE_LATENCY = 40; 
            const LATENCY_RANGE = 50; 
            
            const baseLatency = MIN_BASE_LATENCY + (hash % LATENCY_RANGE);
            
            const jitter = generateJitter();
            const finalLatency = baseLatency + jitter;
            
            // --- DOM 渲染部分 ---
            const card = document.createElement("div");
            card.className = "node-card";
            card.innerHTML = `
                <strong>${name}</strong>
                <div class="status" style="color:#999;">检测中...</div>
                <div class="latency">-- ms</div>
            `;
            grid.appendChild(card);

            // 4. 模拟异步显示结果 (500ms后显示)
            setTimeout(() => {
                const statusDiv = card.querySelector(".status");
                const latencyDiv = card.querySelector(".latency");
                
                // 延迟范围在 40ms - 100ms
                if (finalLatency < 101) { 
                    statusDiv.textContent = "✅ 极速";
                    statusDiv.className = "status status-ok";
                    latencyDiv.style.color = "#2ecc71"; // 绿色
                } else {
                    statusDiv.textContent = "⚠️ 稳定";
                    statusDiv.className = "status status-checking";
                    latencyDiv.style.color = "#FF9500"; 
                }
                
                latencyDiv.textContent = finalLatency + " ms";
            }, 500); 
        });
    </script>

</body>
</html>