:root{--main-bg-color:#fff;--text-color:#222;--accent-color:#2057a5;--light-gray:#f5f5f5;--border-color:#eaeaea;--date-color:#666}*{margin:0;padding:0;box-sizing:border-box}body{font-family:sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--main-bg-color);max-width:800px;margin:0 auto;padding:0 20px}header{padding:30px 0 20px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.logo{font-size:28px;font-weight:bold;text-decoration:none;color:var(--text-color);display:flex;align-items:center}nav{padding:15px 0;background-color:var(--main-bg-color);border-bottom:1px solid var(--border-color)}nav ul{display:flex;list-style:none;margin:0;padding:0}nav ul li{margin-right:30px}nav ul li a{text-decoration:none;color:var(--text-color);font-size:16px;font-weight:500}nav ul li a:hover{color:var(--accent-color)}main{padding:40px 0}.single-post .post-title{font-size:42px;font-weight:700;margin-bottom:15px;line-height:1.3}.single-post .post-meta{font-size:14px;color:var(--date-color);margin-bottom:30px}.single-post .post-content{font-size:18px;line-height:1.6}.single-post .post-content p{margin-bottom:20px}.single-post .post-content h2{font-size:32px;font-weight:700;margin:30px 0 15px;line-height:1.3}.single-post .post-content h3{font-size:24px;font-weight:700;margin:25px 0 10px;line-height:1.3}.single-post .post-content a{color:var(--accent-color);text-decoration:none}.single-post .post-content a:hover{text-decoration:underline}.single-post .post-content blockquote{margin:20px 0;padding:20px;background-color:var(--light-gray);border-left:4px solid var(--accent-color);font-style:italic}.single-post .post-content ul,.single-post .post-content ol{margin:15px 0;padding-left:30px}.single-post .post-content li{margin-bottom:5px}footer{padding:40px 0;text-align:center;border-top:1px solid var(--border-color);margin-top:40px}footer p{color:var(--date-color);font-size:14px}a{color:var(--accent-color)}.single-post .post-content img{max-width:100%;height:auto}