.ai-tutorial-container{min-height:calc(100vh - 64px);background:#f5f5f5;padding:24px}.ai-tutorial-content{max-width:1200px;margin:0 auto}.error,.loading{text-align:center;padding:40px;font-size:16px;color:#666}.error{color:#ff4d4f}.page-title{font-size:32px;color:#333;margin-bottom:32px;padding-bottom:16px;border-bottom:2px solid #1890ff}.category-filter{display:flex;gap:12px;margin-bottom:32px;flex-wrap:wrap}.category-btn{padding:8px 16px;border:1px solid #e8e8e8;background:#fff;border-radius:4px;cursor:pointer;font-size:14px;color:#666;transition:all .3s}.category-btn:hover{border-color:#1890ff;color:#1890ff}.category-btn.active{background:#1890ff;color:#fff;border-color:#1890ff}.tutorial-list{display:grid;grid-gap:24px;gap:24px}.tutorial-item{background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:24px;transition:all .3s}.tutorial-item:hover{box-shadow:0 4px 12px #0000001a;border-color:#1890ff;transform:translateY(-2px)}.tutorial-category{display:inline-block;padding:4px 12px;background:#f0f7ff;color:#1890ff;border-radius:4px;font-size:12px;margin-bottom:12px;font-weight:500}.tutorial-title{font-size:24px;color:#333;margin:0 0 12px;font-weight:600}.tutorial-link{color:#1890ff;text-decoration:none;transition:color .3s}.tutorial-link:hover{color:#40a9ff;text-decoration:underline}.tutorial-description{font-size:16px;color:#666;line-height:1.8;margin:0 0 16px}.tutorial-content{font-size:15px;color:#555;line-height:1.8;margin:0 0 16px}.tutorial-content p{margin:0 0 12px}.tutorial-content ol,.tutorial-content ul{margin:12px 0;padding-left:24px}.tutorial-content li{margin:8px 0}.tutorial-link-button{display:inline-block;color:#1890ff;text-decoration:none;font-size:14px;margin-top:12px;transition:all .3s}.tutorial-link-button:hover{color:#40a9ff;transform:translateX(4px)}.tutorial-tags{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}.tag{padding:4px 12px;background:#f5f5f5;color:#666;border-radius:4px;font-size:12px}.empty-state{text-align:center;padding:60px 20px;color:#999;font-size:16px}@media (max-width:768px){.ai-tutorial-container{padding:16px}.page-title{font-size:24px}.tutorial-item{padding:16px}.tutorial-title{font-size:20px}}