@media (width>=1024px){.wrap{max-width:600px}}.wrap>header{text-align:center;padding:28px 0 14px}.pillar-subtitle{color:var(--txt2);margin:8px 0 0;font-size:.92rem;font-weight:600;line-height:1.5}.pillar-intro{margin:20px 0 28px}.pillar-intro p{margin:0}.pillar-intro p+p{margin-top:10px}.pillar-cards{flex-direction:column;gap:12px;margin-bottom:24px;display:flex}.pillar-card{background:var(--card-bg);border:1px solid var(--card-border);border-right:3px solid rgba(var(--pr-rgb),.28);border-radius:var(--r-lg);box-shadow:var(--card-sh);transition:all var(--tr);overflow:hidden}.pillar-card[open]{box-shadow:var(--card-sh2);border-right-color:rgba(var(--pr-rgb),.55)}.pillar-card-summary{cursor:pointer;user-select:none;-webkit-tap-highlight-color:transparent;align-items:center;gap:10px;min-height:44px;padding:14px 16px;list-style:none;display:flex}.pillar-card-summary::-webkit-details-marker{display:none}.pillar-card-summary::marker{content:"";display:none}.pillar-card-summary:hover{background:var(--surface2)}.pillar-card-summary:focus-visible{outline:2px solid var(--ac);outline-offset:-2px}.pillar-card-icon{flex-shrink:0;font-size:1.15rem;line-height:1}.pillar-card-title{color:var(--txt);letter-spacing:-.2px;flex:1;margin:0;font-size:1rem;font-weight:800}.pillar-card-count{color:var(--txt3);font-feature-settings:"tnum";font-size:.82rem;font-weight:600}.pillar-card-chevron{color:var(--txt2);transition:transform var(--tr2);margin-right:2px;font-size:.9rem;display:inline-block}.pillar-card[open]>.pillar-card-summary .pillar-card-chevron{transform:rotate(180deg)}.pillar-card-body{border-top:1px solid var(--border2);overscroll-behavior:contain;-webkit-overflow-scrolling:touch;max-height:264px;position:relative;overflow-y:auto}.pillar-list{flex-direction:column;gap:6px;margin:0;padding:8px 10px 14px;list-style:none;display:flex}.pillar-item{border-radius:var(--r-md);min-height:44px;transition:background var(--tr);box-shadow:none;background:0 0;border:0;margin:0;padding:0;overflow:visible}.pillar-item:hover{background:var(--surface2)}.pillar-item:active{background:var(--surface3)}.pillar-item-link{min-height:44px;color:var(--txt);transition:color var(--tr);align-items:center;gap:10px;padding:10px 12px;font-size:.88rem;font-weight:600;line-height:1.5;text-decoration:none;display:flex}.pillar-item-link:hover{color:var(--ac)}[data-theme=dark] .pillar-item-link:hover{color:#8ab4f8}.pillar-item-icon{text-align:center;flex-shrink:0;width:1.4rem;font-size:1.05rem;line-height:1}.pillar-item-title{flex:1}.pillar-card-fade{pointer-events:none;background:linear-gradient(to top,var(--card-bg)0%,rgba(var(--pr-rgb),0)100%);height:36px;margin-top:-36px;position:sticky;bottom:0;left:0;right:0}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=480px){.pillar-card-summary{padding:12px 14px}.pillar-card-title{font-size:.95rem}.pillar-item-link{padding:10px}}