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td{border-bottom:none}.key-takeaway{background:var(--accent-subtle);border-left:4px solid var(--accent-main);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:1.25rem 1.5rem;margin:2em 0;font-size:.95rem;color:var(--text-secondary)}.key-takeaway strong{color:var(--accent-hover);display:block;margin-bottom:.4rem;font-size:1rem}.post-footer{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--border-light);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:var(--space-4)}.tags{display:flex;gap:.5rem;flex-wrap:wrap}.tag{font-size:.85rem;font-weight:500;color:var(--text-secondary);padding:.4rem .8rem;background:var(--bg-subtle);border-radius:6px;border:1px solid var(--border-light);transition:background .15s,color .15s,border-color 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a:hover{color:var(--accent-main);transform:translateX(2px)}.toc-list .nested{padding-left:1rem;margin-top:.75rem;border-left:1px solid var(--border-light)}.widget-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:var(--space-4);box-shadow:var(--shadow-subtle);transition:border-color .2s,box-shadow .2s}.widget-card:hover{border-color:#cbd5e1;box-shadow:var(--shadow-hover)}.trending-list{display:flex;flex-direction:column;gap:1.25rem}.trending-list li a{font-weight:600;font-size:1rem;color:var(--text-primary);line-height:1.4;display:block;margin-bottom:.3rem}.trending-list li a:hover{color:var(--accent-main)}.trending-meta{font-size:.85rem;color:var(--text-tertiary)}.site-footer{background:#0f172a;color:#f8fafc;padding:clamp(3rem,6vw,5rem) 0 clamp(1.5rem,3vw,2rem);padding-bottom:max(clamp(1.5rem,3vw,2rem),env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:clamp(2rem,4vw,3rem);margin-bottom:clamp(2rem,4vw,3rem)}.footer-col h2{font-size:1rem;font-weight:600;margin-bottom:1.25rem;margin-top:0;color:#fff;text-transform:uppercase;letter-spacing:.05em}.footer-links{display:flex;flex-direction:column;gap:.75rem;font-size:.95rem}.footer-links a{color:#e2e8f0}.footer-links a:hover{color:#fff;text-decoration:underline}.footer-bottom{border-top:1px solid #334155;padding-top:clamp(1.5rem,3vw,2rem);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;font-size:.875rem;color:#e2e8f0;gap:1rem}.back-to-top{position:fixed;bottom:1.5rem;right:1.5rem;bottom:max(1.5rem,env(safe-area-inset-bottom,1.5rem));width:44px;height:44px;border-radius:50%;background:var(--text-primary);color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;z-index:99;box-shadow:var(--shadow-hover);border:2px solid #fff;touch-action:manipulation;transition:opacity .25s,visibility .25s,background-color .2s,transform .2s}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{background:var(--accent-main);transform:translateY(-3px)}.back-to-top svg{width:20px;height:20px;fill:currentColor}@media (max-width:768px){.article-content{padding:var(--space-4);border-radius:0;border-left:none;border-right:none;contain:layout}.author-bio-box{flex-direction:column;text-align:center;align-items:center}.author-bio-credentials{justify-content:center}}@media (min-width:1024px){:root{--nav-height:72px}.header{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:rgba(255,255,255,.95)}.desktop-nav{display:flex}.mobile-toggle{display:none}.mobile-menu{display:none!important}.layout-grid{grid-template-columns:minmax(auto,860px) 320px;justify-content:center;align-items:start;gap:var(--space-6);padding:var(--space-6) 0}.sidebar{display:flex;flex-direction:column;gap:var(--space-4);position:sticky;top:calc(var(--nav-height) + var(--space-5));content-visibility:auto;contain-intrinsic-size:auto 620px}}@media print{.header,.sidebar,.back-to-top,.progress-container{display:none!important}.layout-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}.progress-container{display:none}}*{-webkit-tap-highlight-color:rgba(37,99,235,.12)}a,button{touch-action:manipulation}