:root {
    --primary-color: #007AFF;
    --text-color: #333333;
    --background-color: #FFFFFF;
    --secondary-background: #F5F5F7;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #1a1a1a 0%, #4a4a4a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature {
    text-align: center;
    padding: 1.5rem;
    background: var(--secondary-background);
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature h3 {
    margin-bottom: 0.5rem;
}

.preview {
    text-align: center;
    margin-bottom: 3rem;
}

.preview-image {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.cta {
    text-align: center;
}

.download-btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
}

.github-link {
    display: block;
    color: #666;
    text-decoration: none;
}

.github-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* 添加安装指南样式 */
.install-guide {
    max-width: 500px;
    margin: 2rem auto;
    padding: 1.5rem;
    background: var(--secondary-background);
    border-radius: 12px;
    text-align: left;
}

.install-guide p {
    font-weight: 500;
    margin-bottom: 1rem;
}

.install-guide ol {
    padding-left: 1.5rem;
}

.install-guide li {
    margin-bottom: 0.5rem;
    color: #666;
}