.bpt-archive-header{margin-bottom:2.5rem;padding:clamp(3rem,6vw,4.5rem) 0 2rem;border-bottom:1px solid var(--bpt-border);position:relative;overflow:hidden}.bpt-archive-header::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(99,102,241,.12) 1px,transparent 1px);background-size:28px 28px;pointer-events:none;z-index:0}.bpt-archive-header>*{position:relative;z-index:1}.bpt-archive-header__title{font-size:clamp(1.5rem, 3vw + .5rem, 2.5rem);margin-bottom:.5rem;color:var(--bpt-text)}.bpt-archive-header__desc{color:var(--bpt-text-2);font-size:1rem;line-height:1.7;max-width:60ch}.bpt-archive-header__desc>*{margin:0}@media (max-width:768px){.bpt-archive-header{padding-top:clamp(5rem,12vw,7rem)}}.bpt-archive-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr));gap:1.5rem;margin-bottom:3rem}.bpt-card-post{background:var(--bpt-surface);border:1px solid var(--bpt-border);border-radius:var(--bpt-radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:border-color var(--bpt-t),box-shadow var(--bpt-t),transform var(--bpt-t);position:relative}.bpt-card-post::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(99,102,241,.3),transparent);opacity:0;transition:opacity var(--bpt-t)}.bpt-card-post:hover{border-color:var(--bpt-border-light);box-shadow:var(--bpt-shadow);transform:translateY(-3px)}.bpt-card-post:hover::before{opacity:1}.bpt-card-post__thumb-link{display:block;overflow:hidden;aspect-ratio:16/9}.bpt-card-post__thumb{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.bpt-card-post:hover .bpt-card-post__thumb{transform:scale(1.04)}.bpt-card-post__body{padding:1.5rem;display:flex;flex-direction:column;gap:.75rem;flex:1}.bpt-card-post__meta{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem}.bpt-card-post__date{font-size:.75rem;color:var(--bpt-text-2);font-family:var(--bpt-mono)}.bpt-card-post__title{font-size:1.1rem;line-height:1.35;margin:0}.bpt-card-post__title a{color:var(--bpt-text);text-decoration:none;transition:color var(--bpt-t)}.bpt-card-post__title a:hover{color:var(--bpt-accent-h)}.bpt-card-post__excerpt{font-size:.875rem;color:var(--bpt-text-2);line-height:1.6;margin:0;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.bpt-card-post__read-more{display:inline-flex;align-items:center;gap:.35rem;font-size:.82rem;font-weight:600;color:var(--bpt-accent-h);text-decoration:none;margin-top:auto;transition:gap var(--bpt-t),color var(--bpt-t)}.bpt-card-post__read-more:hover{gap:.6rem;color:var(--bpt-text)}.sticky.bpt-card-post{border-color:rgba(99,102,241,.4);grid-column:1/-1}.sticky.bpt-card-post .bpt-card-post__thumb-link{aspect-ratio:21/9}@media (max-width:480px){.bpt-archive-grid{grid-template-columns:1fr}.bpt-card-post__body{padding:1.25rem}}