.pillar-header-box{background:linear-gradient(135deg,#0284c7,#0ea5e9);color:#fff;padding:40px 30px;border-radius:16px;margin-bottom:30px;position:relative;overflow:hidden;box-shadow:0 10px 25px rgb(15 23 42 / .15)}.pillar-header-box::before{content:"";position:absolute;top:-50px;right:-50px;width:200px;height:200px;background:rgb(14 165 233 / .1);border-radius:50%;filter:blur(30px)}.pillar-badge{display:inline-block;background:rgb(255 255 255 / .1);border:1px solid rgb(255 255 255 / .2);padding:6px 14px;border-radius:30px;font-size:.85rem;font-weight:600;margin-bottom:15px;letter-spacing:.5px;backdrop-filter:blur(5px)}.pillar-title{color:#ffffff!important;font-size:2.2rem;font-weight:800;line-height:1.3;margin-top:0;margin-bottom:15px;text-shadow:0 2px 4px rgb(0 0 0 / .3)}.pillar-meta{font-size:.95rem;color:#94a3b8;display:flex;align-items:center;gap:10px}.pillar-sidebar{width:100%;height:100%}.pillar-sidebar-inner{background:#fff;border-radius:12px;padding:25px;border:1px solid #e2e8f0;box-shadow:0 4px 15px rgb(0 0 0 / .02);position:sticky;top:30px}.pillar-sidebar-title{font-size:1.25rem;font-weight:700;color:#1e293b;margin-top:0;margin-bottom:20px;padding-bottom:15px;border-bottom:2px solid #f1f5f9;position:relative}.pillar-sidebar-title::after{content:"";position:absolute;bottom:-2px;left:0;width:50px;height:2px;background:#0ea5e9}.pillar-sidebar-menu{list-style:none;padding:0;margin:0}.pillar-sidebar-menu li{margin-bottom:10px}.pillar-sidebar-menu a{display:block;padding:10px 15px;color:#475569;text-decoration:none;font-weight:500;border-radius:8px;transition:all 0.3s ease;border:1px solid #fff0}.pillar-sidebar-menu a:hover{background:#f8fafc;color:#0ea5e9;padding-left:20px}.pillar-sidebar-menu a.active{background:#eff6ff;color:#0284c7;border-color:#bae6fd;font-weight:700}.hover-up:hover{transform:translateY(-3px);box-shadow:0 6px 12px rgb(0 0 0 / .08);border-color:#bae6fd!important}@media (max-width:991px){.pillar-title{font-size:1.8rem}.pillar-sidebar-inner{position:static;margin-top:30px}}