.k-hero{background:radial-gradient(circle at 50% 0%,var(--color-primary-soft),transparent 60%);text-align:center;padding:8rem 0 4rem;position:relative}.k-hero h1{background:linear-gradient(135deg,var(--color-text-primary)0%,var(--color-primary)100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1.5rem;font-size:clamp(2.5rem,5vw,4rem)}.k-hero p{max-width:600px;color:var(--color-text-secondary);margin:0 auto;font-size:1.25rem;line-height:1.6}.k-grid{grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem;padding:4rem 0;display:grid}.k-category-card{background:var(--color-bg-surface);border:1px solid var(--color-border-subtle);border-radius:16px;flex-direction:column;height:100%;padding:2rem;transition:all .3s;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 6px -1px #00000005,0 2px 4px -1px #00000005}.k-category-card:hover{border-color:var(--color-primary-soft);transform:translateY(-4px);box-shadow:0 20px 25px -5px #0000000d,0 10px 10px -5px #00000005}.k-category-header{align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.k-icon{background:var(--color-bg-subtle);border-radius:12px;justify-content:center;align-items:center;width:3.5rem;height:3.5rem;font-size:2rem;display:flex}.k-category-title{color:var(--color-text-primary);align-items:center;min-height:3rem;font-size:1.25rem;font-weight:600;display:flex}.k-category-desc{color:var(--color-text-secondary);flex-grow:1;min-height:3rem;margin-bottom:1.5rem;font-size:.95rem}.k-article-list{border-top:1px solid var(--color-border-subtle);margin:0;padding:1rem 0 0;list-style:none}.k-article-link{color:var(--color-text-primary);border-bottom:1px solid var(--color-border-subtle);justify-content:space-between;align-items:center;min-height:3.75rem;padding:.5rem 0;font-size:.95rem;text-decoration:none;transition:color .2s;display:flex}.k-article-link:hover{color:var(--color-primary)}.k-article-link:last-child{border-bottom:none}.k-tag{background:var(--color-bg-subtle);color:var(--color-text-secondary);white-space:nowrap;border-radius:100px;padding:.2rem .6rem;font-size:.75rem;font-weight:500}.k-article-container{max-width:800px;margin:0 auto;padding:6rem 1.5rem}.k-article-header{text-align:left;border-bottom:1px solid var(--color-border-subtle);margin-bottom:3rem;padding-bottom:2rem}.k-article-meta{color:var(--color-text-secondary);gap:1rem;margin-bottom:1rem;font-size:.9rem;display:flex}.k-breadcrumb{color:var(--color-text-secondary);align-items:center;gap:.5rem;margin-bottom:2rem;font-size:.9rem;text-decoration:none;display:inline-flex}.k-breadcrumb:hover{color:var(--color-primary)}.k-article-title{margin-bottom:1rem;font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.1}.k-article-summary{color:var(--color-text-secondary);margin-bottom:2rem;font-size:1.25rem;line-height:1.6}.k-content{color:var(--color-text-primary);font-size:1.125rem;line-height:1.7}.k-content h2{color:var(--color-text-primary);margin-top:3rem;margin-bottom:1.5rem;font-size:1.75rem}.k-content h3{color:var(--color-text-primary);margin-top:2rem;margin-bottom:1rem;font-size:1.4rem}.k-content p{margin-bottom:1.5rem}.k-content ul{margin-bottom:1.5rem;padding-left:1.5rem}.k-content li{margin-bottom:.5rem}.k-glass-bg{z-index:-1;opacity:.5;background:#fff;width:100%;height:100%;position:absolute;top:0;left:0}@supports ((-webkit-backdrop-filter:blur(20px)) or (backdrop-filter:blur(20px))){.k-glass-bg{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fff6}}