body{background:linear-gradient(180deg,#F5F6FA,#F5F6FA)}.blogdetail-container{max-width:850px;padding:75px 60px;color:#1e1e1e;margin:80px auto 0}.blogdetail-meta time{font-size:14px;color:#2f57ef}.back-btn{display:inline-block;background:#2f57ef;color:#fff;border:2px solid #2f57ef;padding:8px 16px;border-radius:8px;font-size:14px;text-decoration:none;margin-bottom:20px;transition:all .3s ease}.back-btn:hover{background:#fff;color:#2f57ef;border:2px solid #2f57ef}.blogdetail-header h1{margin-bottom:10px;font-size:32px;line-height:1.4;max-width:541px;font-weight:500}.blogdetail-meta{font-size:14px;color:#6b7280}.blogdetail-image{margin:30px 0;border-radius:12px;overflow:hidden}.blogdetail-image img{width:100%;height:auto;display:block}.blogdetail-content p,.blogdetail-subcontent p{font-size:16px;line-height:1.8;margin-bottom:16px}.blogdetail-subcontent h2{font-size:35px;margin:30px 0 10px;font-weight:500}@media (max-width:768px){.blogdetail-header h1{font-size:22px}.blogdetail-subcontent h2{font-size:28px;line-height:1.2}.back-btn{margin:0 auto 20px;padding:6px 14px;font-size:14px;display:block;width:120px}.blogdetail-container{padding:30px}}