.learn-hero{background:#F5F5F5;padding:60px 0 48px;text-align:center}.learn-hero-title{font-size:36px;font-weight:700;color:#101828;margin-bottom:8px}.learn-hero-sub{font-size:16px;color:#667085;margin-bottom:32px}.learn-page{background:#F5F5F5;min-height:100vh}.learn-container{max-width:1080px;margin:0 auto;padding:0 24px}.learn-categories{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:48px 0 60px}.learn-category-card{background:#fff;border:1px solid #e8e8e8;border-radius:12px;padding:28px 24px;text-decoration:none;display:block;transition:box-shadow .2s,border-color .2s,transform .2s;cursor:pointer}.learn-category-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);border-color:#FF7744;transform:translateY(-2px);text-decoration:none}.learn-cat-icon{width:44px;height:44px;border-radius:10px;background:#fff7f4;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:22px}.learn-cat-name{font-size:16px;font-weight:600;color:#101828;margin-bottom:6px}.learn-cat-desc{font-size:13px;color:#667085;line-height:1.6;margin-bottom:16px}.learn-cat-count{font-size:12px;color:#FF7744;font-weight:500}.learn-article-page{display:flex;align-items:flex-start;max-width:1080px;margin:0 auto;padding:40px 24px 80px;gap:48px}.learn-sidebar{width:220px;flex-shrink:0;position:sticky;top:20px}.learn-sidebar-back{display:flex;align-items:center;gap:6px;font-size:13px;color:#667085;text-decoration:none;margin-bottom:20px;padding:0 4px}.learn-sidebar-back:hover{color:#FF7744;text-decoration:none}.learn-sidebar-cat-title{font-size:11px;font-weight:600;color:#aaa;letter-spacing:1px;margin-bottom:8px;padding:0 8px}.learn-sidebar-list{list-style:none;padding:0;margin:0 0 28px}.learn-sidebar-list li a{display:block;padding:8px 12px;font-size:13px;color:#444;border-radius:6px;text-decoration:none;transition:background .15s,color .15s;line-height:1.5}.learn-sidebar-list li a:hover{background:#fff7f4;color:#FF7744;text-decoration:none}.learn-sidebar-list li a.active{background:#fff7f4;color:#FF7744;font-weight:600}.learn-sidebar-divider{border:none;border-top:1px solid #eee;margin:16px 0}.learn-all-cats-title{font-size:11px;font-weight:600;color:#aaa;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px;padding:0 8px}.learn-all-cats-list{list-style:none;padding:0;margin:0}.learn-all-cats-list li a{display:block;padding:6px 12px 6px 20px;font-size:12px;color:#667085;border-radius:6px;text-decoration:none;transition:background .15s,color .15s}.learn-all-cats-list li a:hover{background:#f7f7f7;color:#333;text-decoration:none}.learn-all-cats-list li a.active-cat{color:#FF7744;font-weight:600}.learn-content{flex:1;min-width:0}.learn-breadcrumb{display:flex;align-items:center;gap:6px;font-size:12px;color:#999;margin-bottom:28px;flex-wrap:wrap}.learn-breadcrumb a{color:#999;text-decoration:none}.learn-breadcrumb a:hover{color:#FF7744}.learn-breadcrumb span{color:#ccc}.learn-article-title{font-size:28px;font-weight:700;color:#101828;margin-bottom:24px;line-height:1.3}.learn-article-body{font-size:15px;color:#344054;line-height:1.8}.learn-article-body h2{font-size:20px;font-weight:600;color:#101828;margin:36px 0 14px;padding-bottom:8px;border-bottom:1px solid #f0f0f0}.learn-article-body h3{font-size:16px;font-weight:600;color:#1d2939;margin:24px 0 10px}.learn-article-body p{margin-bottom:16px}.learn-article-body ul,.learn-article-body ol{padding-left:20px;margin-bottom:16px}.learn-article-body li{margin-bottom:6px}.learn-article-body strong{color:#101828}.learn-article-body blockquote{border-left:3px solid #FF7744;padding:12px 16px;background:#fff7f4;border-radius:0 6px 6px 0;margin:20px 0;color:#555}.learn-highlight-box{background:#f0f9ff;border:1px solid #bae6fd;border-radius:8px;padding:16px 20px;margin:20px 0;font-size:14px;color:#0369a1}.learn-tip-box{background:#fff7f4;border:1px solid #fed7c3;border-radius:8px;padding:16px 20px;margin:20px 0;font-size:14px;color:#c2410c}.learn-article-footer{margin-top:48px;padding-top:32px;border-top:1px solid #f0f0f0}.learn-cta-btn{display:inline-block;padding:12px 28px;background:#FF7744;color:#fff;border-radius:8px;font-size:15px;font-weight:600;text-decoration:none;transition:background .15s}.learn-cta-btn:hover{background:#e5622e;color:#fff;text-decoration:none}.learn-related{margin-top:40px}.learn-related-title{font-size:16px;font-weight:600;color:#101828;margin-bottom:16px}.learn-related-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.learn-related-list li a{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#fafafa;border:1px solid #f0f0f0;border-radius:8px;font-size:14px;color:#344054;text-decoration:none;transition:border-color .15s,color .15s}.learn-related-list li a:hover{border-color:#FF7744;color:#FF7744;text-decoration:none}.learn-related-list li a::before{content:"→";color:#FF7744;flex-shrink:0}@media (max-width:900px){.learn-categories{grid-template-columns:repeat(2,1fr)}.learn-article-page{flex-direction:column;gap:24px;padding:24px 16px 60px}.learn-sidebar{width:100%;position:static}.learn-hero-title{font-size:26px}}@media (max-width:500px){.learn-categories{grid-template-columns:1fr}.learn-article-title{font-size:22px}}.learn-table-wrap{overflow-x:auto;margin:20px 0}.learn-table-wrap table{width:100%;border-collapse:collapse;font-size:14px}.learn-table-wrap th,.learn-table-wrap td{border:1px solid #e5e7eb;padding:8px 12px;text-align:left}.learn-table-wrap th{background:#f9fafb;font-weight:600}.learn-download-box{margin:0 0 20px}.learn-download-btn{display:inline-block;padding:8px 18px;background:#FF7744;color:#fff;border-radius:8px;font-size:13px;font-weight:600;text-decoration:none}.learn-download-btn:hover{background:#FF7744;color:#fff;text-decoration:none}