<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=3, minimum-scale=1, viewport-fit=cover">
    <meta name="keywords" content="一盒科技, 一盒科技有限公司">
    <meta name="description" content="广州一盒科技有限公司 - 官网升级中">
    <link href="./src/assets/images/bitbug_favicon.ico" rel="shortcut icon">
    <title>广州一盒科技有限公司</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: #0b1424;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            overflow: hidden;
        }

        /* ===== 背景网格 ===== */
        .bg-grid {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(64, 169, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(64, 169, 255, 0.04) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        /* ===== 顶部光晕 ===== */
        .glow-top {
            position: fixed;
            top: -200px;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 500px;
            background: radial-gradient(ellipse, rgba(64, 169, 255, 0.07) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 40px 20px;
            animation: fadeIn 1s ease-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to   { opacity: 1; transform: translateY(0); }
        }

        /* ===== Logo ===== */
        .logo-wrap {
            margin-bottom: 48px;
        }

        .logo-wrap img {
            height: 52px;
            width: auto;
            display: block;
            margin: 0 auto;
            filter: drop-shadow(0 0 20px rgba(64, 169, 255, 0.15));
        }

        /* ===== 环形动画 ===== */
        .ring-wrapper {
            position: relative;
            width: 104px;
            height: 104px;
            margin: 0 auto 36px;
        }

        .ring {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 50%;
        }

        .ring-1 {
            border: 2px solid transparent;
            border-top-color: #40a9ff;
            animation: spin 1.8s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
        }

        .ring-2 {
            width: 78px;
            height: 78px;
            top: 13px;
            left: 13px;
            border: 2px solid transparent;
            border-top-color: #69c0ff;
            border-right-color: #69c0ff;
            animation: spin 2.2s cubic-bezier(0.4, 0.0, 0.2, 1) infinite reverse;
        }

        .ring-3 {
            width: 52px;
            height: 52px;
            top: 26px;
            left: 26px;
            border: 2px solid transparent;
            border-top-color: #bae7ff;
            border-right-color: #bae7ff;
            border-bottom-color: #bae7ff;
            animation: spin 2.8s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
        }

        .ring-dot {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 18px;
            height: 18px;
            background: linear-gradient(135deg, #40a9ff, #096dd9);
            border-radius: 50%;
            box-shadow: 0 0 30px rgba(64, 169, 255, 0.35);
            animation: pulse 2.4s ease-in-out infinite;
        }

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

        @keyframes pulse {
            0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
            50% { transform: translate(-50%, -50%) scale(1.25); opacity: 1; }
        }

        /* ===== 标题 ===== */
        h1 {
            font-size: 38px;
            font-weight: 700;
            letter-spacing: 8px;
            margin-bottom: 14px;
            background: linear-gradient(135deg, #e8f4ff 0%, #69c0ff 40%, #40a9ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 5px;
            font-weight: 300;
            margin-bottom: 0;
        }

        .subtitle .cursor {
            display: inline-block;
            width: 2px;
            height: 18px;
            background: #69c0ff;
            margin-left: 3px;
            animation: blink 1s step-end infinite;
            vertical-align: text-bottom;
        }

        @keyframes blink {
            50% { opacity: 0; }
        }

        /* ===== 装饰分隔 ===== */
        .divider-area {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin: 28px auto 28px;
            width: 200px;
        }

        .divider-area .line {
            flex: 1;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(64, 169, 255, 0.3), transparent);
        }

        .divider-area .diamond {
            width: 6px;
            height: 6px;
            background: #40a9ff;
            transform: rotate(45deg);
            opacity: 0.6;
            flex-shrink: 0;
        }

        /* ===== 描述 ===== */
        .description {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 3px;
            line-height: 2;
        }

        /* ===== 页脚 ===== */
        .footer {
            position: fixed;
            bottom: 28px;
            left: 0;
            width: 100%;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.18);
            letter-spacing: 2px;
            z-index: 1;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 480px) {
            .logo-wrap img { height: 40px; }
            .logo-wrap { margin-bottom: 36px; }
            .ring-wrapper { width: 80px; height: 80px; }
            .ring-2 { width: 60px; height: 60px; top: 10px; left: 10px; }
            .ring-3 { width: 40px; height: 40px; top: 20px; left: 20px; }
            h1 { font-size: 26px; letter-spacing: 5px; }
            .subtitle { font-size: 14px; letter-spacing: 3px; }
            .divider-area { width: 160px; }
        }

        @media (max-width: 380px) {
            .logo-wrap img { height: 32px; }
            h1 { font-size: 22px; letter-spacing: 4px; }
        }
    </style>
</head>

<body>
    <div class="bg-grid"></div>
    <div class="glow-top"></div>

    <div class="container">
        <!-- Logo -->
        <div class="logo-wrap">
            <img src="./static/img/yihe_logo.png" alt="一盒科技">
        </div>

        <!-- 环形动画 -->
        <div class="ring-wrapper">
            <div class="ring ring-1"></div>
            <div class="ring ring-2"></div>
            <div class="ring ring-3"></div>
            <div class="ring-dot"></div>
        </div>

        <!-- 标题 -->
        <h1>官网升级中</h1>
        <p class="subtitle">
            官方网站正在全新升级<span class="cursor"></span>
        </p>

        <!-- 分隔 -->
        <div class="divider-area">
            <span class="line"></span>
            <span class="diamond"></span>
            <span class="line"></span>
        </div>

        <!-- 描述 -->
        <p class="description">
            我们正在全力打造更好的体验<br>
            敬请期待 · 精彩即将呈现
        </p>
    </div>

    <div class="footer">广州一盒科技有限公司 &copy; <span id="year"></span></div>

    <script>
        document.getElementById('year').textContent = new Date().getFullYear();
    </script>
</body>

</html>
