:root {
    --primary-color: #000000;
    --secondary-color: #F5F5F5;
    --accent-color: #FF5300;
    --text-color: #ffffff;
    --dark-bg: #000000;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    color: var(--text-color);
    background: var(--dark-bg);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 45px 20px 20px;
}

.header-image {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 20px;
}

.content {
    padding: 20px;
}

.text-content {
    max-width: 800px;
    margin: 0 auto 32px;
}

.main-text {
    text-align: left;
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--text-color);
    line-height: 1.8;
    margin: 0 auto 32px;
}

.description {
    text-align: center;
    font-size: 1rem;
    color: var(--text-color);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px 0;
    padding: 20px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.feature-item h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 14px;
    color: var(--text-color);
}

.download-button {
    display: block;
    width: 200px;
    margin: 0 auto;
    padding: 12px 24px;
    background-color: var(--accent-color);
    color: var(--dark-bg);
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
}

.download-button:hover {
    background-color: #FF5300;
    transform: scale(1.05);
}

.download-button:active {
    transform: scale(0.95);
}

.footer {
    margin-top: 60px;
    padding: 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.browser-guide {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    //justify-content: center;
    //align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.guide-content {
   // text-align: center;
    max-width: 100%;
    top: 0;
    padding: 20px;
}

.guide-image {
    top: 0;
    max-width: 100%;
    //height: auto;
    display: block;
}

.guide-content p {
    margin: 10px 0;
    color: #333;
    font-size: 16px;
    line-height: 1.6;
}

.guide-content p:first-child {
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 15px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .text-content {
        padding: 0 10px;
    }
    
    .main-text {
        font-size: 1.2rem;
    }
    
    .description {
        font-size: 1rem;
        
    }
    
    .download-button {
        width: 100%;
        max-width: 200px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}

/* 页面加载动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

body {
    animation: fadeIn 0.5s ease-in;
}