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h2:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:20px;background:#4285f4;border-radius:2px}.article-body h3{font-size:1.3rem;color:#333;margin:25px 0 15px;font-weight:600}.article-body p{margin-bottom:20px;font-size:1.05rem;line-height:1.8}.article-body ol,.article-body ul{margin:20px 0;padding-left:25px}.article-body li{margin-bottom:10px;line-height:1.6}.article-footer{padding:30px 40px;background:#f8f9fa;border-top:1px solid #eee}.article-tag-rds{margin-bottom:25px}.tag-rds-title{font-size:1rem;color:#666;margin-bottom:10px}.tag-rd{display:inline-block;background:#fff;color:#666;padding:6px 12px;margin:0 8px 8px 0;border-radius:15px;text-decoration:none;font-size:.85rem;transition:all .3s;box-shadow:0 2px 5px rgba(0,0,0,.1)}.tag-rd:hover{background:#4285f4;color:#fff;transform:translateY(-1px)}@media (max-width:992px){.content-wrapper{flex-direction:column;gap:30px}.article-title{font-size:1.8rem}}@media (max-width:768px){.article-body,.article-header{padding:30px 20px}.article-footer{padding:25px 20px}.article-title{font-size:1.5rem}.article-rd-meta{flex-direction:column;gap:15px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}