* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 60px 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
}

.logo-wrapper {
    margin-bottom: 30px;
}

.logo {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 20px;
}

h1 {
    color: #333;
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 600;
}

.subtitle {
    color: #666;
    font-size: 16px;
    margin-bottom: 40px;
}

.info-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    color: #666;
    font-size: 14px;
}

.info-value {
    color: #333;
    font-size: 14px;
    font-weight: 500;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.download-btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 18px 50px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.download-btn:active {
    transform: translateY(0);
}

.download-btn.apple {
    background: linear-gradient(135deg, #333333 0%, #000000 100%);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.download-btn.apple:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.note {
    color: #999;
    font-size: 13px;
    line-height: 1.6;
}

@media (max-width: 480px) {
    .container {
        padding: 40px 25px;
    }

    h1 {
        font-size: 26px;
    }

    .logo {
        width: 120px;
        height: 120px;
    }
}