body {
            font-family: 'Noto Sans SC', sans-serif;
            text-align: center;
            margin: 0;
            padding: 60px 20px;
            background: linear-gradient(135deg, #1e2a44, #2c3e50);
            color: #fff;
            position: relative;
        }
        /* 动态粒子背景 - 增加更多粒子 */
        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"%3E%3Ccircle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.3)" /%3E%3Ccircle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.2)" /%3E%3Ccircle cx="150" cy="150" r="1" fill="rgba(255,255,255,0.3)" /%3E%3Ccircle cx="30" cy="80" r="1.5" fill="rgba(255,255,255,0.25)" /%3E%3Ccircle cx="120" cy="40" r="2" fill="rgba(255,255,255,0.2)" /%3E%3Ccircle cx="80" cy="130" r="1" fill="rgba(255,255,255,0.3)" /%3E%3Ccircle cx="170" cy="20" r="1.5" fill="rgba(255,255,255,0.25)" /%3E%3Ccircle cx="60" cy="170" r="1" fill="rgba(255,255,255,0.2)" /%3E%3Ccircle cx="140" cy="90" r="1.5" fill="rgba(255,255,255,0.25)" /%3E%3C/svg%3E') repeat;
            animation: moveParticles 30s infinite linear;
            opacity: 0.3;
            z-index: 0;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            animation: fadeIn 1s ease-in;
            position: relative;
            z-index: 1;
        }
        h1 {
            font-weight: 700;
            font-size: 3.2em;
            margin-bottom: 10px;
            color: #ffffff;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            animation: slideIn 0.8s ease-out;
        }
        p {
            font-size: 1.3em;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 50px;
        }
        .download-section {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 600px;
            margin: 40px auto;
            padding: 20px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            opacity: 0;
            animation: fadeInUp 1s ease forwards;
        }
        .download-section:nth-child(1) { animation-delay: 0.2s; }
        .download-section:nth-child(2) { animation-delay: 0.4s; }
        .qr-code {
            margin-right: 20px;
            transition: transform 0.3s ease;
        }
        .qr-code:hover {
            transform: scale(1.05);
        }
        .qr-code img {
            width: 140px;
            height: 140px;
            border-radius: 10px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: #fff;
            padding: 5px;
        }
        .download-info {
            text-align: left;
        }
        .download-info h2 {
            font-size: 1.6em;
           oks margin: 0 0 10px;
            color: #fff;
        }
        .download-btn {
            display: inline-block;
            padding: 12px 25px;
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-size: 1.1em;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }
        .download-btn.ios-btn {
            background: linear-gradient(45deg, #00c6ff, #0072ff);
        }
        .download-btn.ios-btn:hover {
            background: linear-gradient(45deg, #00aaff, #005bbb);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }
        .download-btn.android-btn {
            background: linear-gradient(45deg, #00ff87, #00c853);
        }
        .download-btn.android-btn:hover {
            background: linear-gradient(45deg, #00cc70, #009f43);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        /* 动画定义 */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes slideIn {
            from { transform: translateY(-20px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes moveParticles {
            0% { background-position: 0 0; }
            100% { background-position: 200px 200px; }
        }

        /* 手机端优化 */
        @media (max-width: 600px) {
            .container {
                padding: 20px;
            }
            h1 {
                font-size: 2em;
            }
            p {
                font-size: 1em;
            }
            .download-section {
                flex-direction: column;
                padding: 15px;
                max-width: 100%;
            }
            .qr-code {
                margin-right: 0;
                margin-bottom: 15px;
            }
            .qr-code img {
                width: 100px;
                height: 100px;
            }
            .download-info {
                text-align: center;
            }
            .download-info h2 {
                font-size: 1.2em;
            }
            .download-btn {
                padding: 10px 20px;
                font-size: 1em;
            }
        }