/* 基础重置和全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

/* 主页部分样式 */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.74), rgba(0, 0, 0, 0.521)), 
                url('./bgpic.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.site-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.site-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.navigation-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    color: white;
    border: 2px solid white;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn:hover {
    background: white;
    color: #333;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 博客部分样式 */
.blog-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

.blog-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-post {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-post:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.post-content {
    padding: 1.5rem;
}

.post-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.post-meta {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.post-excerpt {
    color: #555;
    margin-bottom: 1rem;
}

.read-more {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
}

.loading {
    text-align: center;
    padding: 2rem;
    font-size: 1.2rem;
    color: #6c757d;
}

/* 页脚样式 */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    margin: 0.5rem 0;
}

.footer a {
    color: #667eea;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .site-title {
        font-size: 2.5rem;
    }
    
    .site-description {
        font-size: 1rem;
    }
    
    .navigation-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 80%;
        margin-bottom: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .blog-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 0 20px;
    }
    
    .site-title {
        font-size: 2rem;
    }
    
    .container {
        width: 95%;
    }
}



.beian-links {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.beian-link {
    display: inline-flex;
    align-items: center;
    color: #999;
    text-decoration: none;
    font-size: 0.9em;
}

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

.beian-icon {
    display: inline-block; 
    vertical-align: middle;
    margin-right: 6px;
    margin-top: 2px;
}