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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 28px;
    color: #1a73e8;
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #1a73e8;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 60px 0;
}

.review-article {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
}

.article-header {
    padding: 40px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    text-align: center;
}

.category {
    display: inline-block;
    background: #1a73e8;
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 15px;
}

.article-header h1 {
    font-size: 32px;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.4;
}

.meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

.meta span::before {
    content: '•';
    margin-right: 8px;
}

.meta span:first-child::before {
    display: none;
}

/* Article Content */
.article-content {
    padding: 40px;
}

.article-content section {
    margin-bottom: 40px;
}

.article-content h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}

.article-content p {
    margin-bottom: 16px;
    color: #555;
    line-height: 1.8;
}

.article-content a {
    color: #1a73e8;
    text-decoration: none;
    font-weight: 500;
}

.article-content a:hover {
    text-decoration: underline;
}

/* Highlight Box */
.highlight-box {
    background: #f8f9fa;
    border-left: 4px solid #1a73e8;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
}

.highlight-box h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
}

.highlight-box ul {
    list-style: none;
    padding-left: 0;
}

.highlight-box li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.highlight-box li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #1a73e8;
    font-weight: bold;
}

/* Gallery */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.image-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.image-grid img:hover {
    transform: scale(1.05);
}

/* Tip Box */
.tip-box {
    background: #e3f2fd;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.tip-box ul {
    list-style: none;
}

.tip-box li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
}

.tip-box li::before {
    content: '💡';
    position: absolute;
    left: 0;
}

/* Article Footer */
.article-footer {
    background: #f8f9fa;
    padding: 40px;
    border-top: 1px solid #e9ecef;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tag {
    background: #e9ecef;
    color: #666;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

/* Contact Info */
.contact-info {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.contact-info h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 10px;
    color: #555;
}

.note {
    font-size: 14px;
    color: #888;
    font-style: italic;
    margin-top: 20px;
}

/* Footer */
.footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 40px 0;
}

.footer p {
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav {
        gap: 20px;
    }
    
    .article-header h1 {
        font-size: 24px;
    }
    
    .article-content {
        padding: 20px;
    }
    
    .image-grid {
        grid-template-columns: 1fr;
    }
    
    .meta {
        flex-direction: column;
        gap: 10px;
    }
}