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var(--border-light);border-radius:8px;padding:1rem;overflow-x:auto}.post-content pre code{padding:0;background:none}.post-content table{border-collapse:collapse;width:100%}.post-content table th{background:var(--bg-table-header);color:var(--text-heading);border:1px solid var(--border-light);padding:0.6rem 1rem}.post-content table td{border:1px solid var(--border-light);padding:0.6rem 1rem}.post-content table tr:nth-child(even){background:var(--bg-table-zebra)}.post-content img{border-radius:8px;max-width:100%;height:auto;display:block;margin:1.5rem auto}.post-content img.emoji{display:inline;margin:0;border-radius:0}.page-content{background:var(--bg)}.page-content .page-heading{color:var(--text-heading)}.page-content ul a{color:var(--brand)}.tag-sphere-wrapper{display:flex;justify-content:center;margin-bottom:2rem}.tag-sphere{position:relative;width:500px;height:500px}.tag-sphere-item{position:absolute;top:50%;left:50%;text-decoration:none;color:var(--text);white-space:nowrap;transition:color 0.2s ease, transform 0.2s ease;--ratio: calc((var(--i) + 0.5) / var(--total));--dist: calc(220px * sqrt(var(--ratio)));--angle: calc(var(--i) * 2.39996323);--x: calc(var(--dist) * cos(var(--angle)));--y: calc(var(--dist) * sin(var(--angle)));transform:translate(-50%, -50%) translate(var(--x), var(--y))}.tag-sphere-item:hover{color:var(--brand);text-decoration:none;transform:translate(-50%, -50%) translate(var(--x), var(--y)) scale(1.15)}.tag-sphere-1{font-size:0.85rem}.tag-sphere-2{font-size:1rem}.tag-sphere-3{font-size:1.2rem;font-weight:500}.tag-sphere-4{font-size:1.5rem;font-weight:600}.tag-sphere-5{font-size:1.8rem;font-weight:700;color:var(--brand)}@media screen and (max-width: 600px){.tag-sphere{width:320px;height:320px}.tag-sphere-item{--dist: calc(140px * sqrt(var(--ratio)));--x: calc(var(--dist) * cos(var(--angle)));--y: calc(var(--dist) * sin(var(--angle)))}}.tags-page h3{color:var(--brand);border-bottom:1px solid var(--border-light);padding-bottom:0.4rem}.tags-page ul{list-style:none;padding-left:0}.tags-page ul li{padding:0.3rem 0}.tags-page ul li a{color:var(--text);text-decoration:none}.tags-page ul li a:hover{color:var(--brand)}.post-nav{display:flex;justify-content:space-between;gap:1.5rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border-light)}.post-nav-link{display:flex;flex-direction:column;gap:0.3rem;text-decoration:none;max-width:48%}.post-nav-link:hover{text-decoration:none}.post-nav-link:hover .post-nav-title{color:var(--brand)}.post-nav-prev{align-items:flex-start}.post-nav-next{align-items:flex-end;margin-left:auto;text-align:right}.post-nav-label{font-size:0.8rem;color:var(--text-muted)}.post-nav-title{font-size:0.95rem;font-weight:600;color:var(--text-heading);transition:color 0.2s ease}.code-copy-btn{position:absolute;top:8px;right:8px;background:var(--bg-elevated);color:var(--text);border:1px solid var(--border-medium);border-radius:6px;padding:4px 10px;font-size:0.75rem;font-family:inherit;cursor:pointer;opacity:0;transition:opacity 0.2s ease, background 0.2s ease, color 0.2s ease}.code-copy-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand)}pre:hover .code-copy-btn{opacity:1}.back-to-top{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;border:1px solid var(--border-light);border-radius:50%;background:var(--bg-card);color:var(--text);font-size:1.3rem;cursor:pointer;opacity:0;visibility:hidden;transition:opacity 0.3s ease, visibility 0.3s ease, background 0.2s ease, color 0.2s ease;z-index:100}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}div.highlight,figure.highlight{border:none !important}pre{border:1px solid var(--border-light) !important;border-radius:8px !important;background:var(--bg-card) !important}pre a::before{background:var(--bg-table-zebra);color:var(--text-line-number)}@media screen and (max-width: 1200px){.post-grid{grid-template-columns:repeat(2, 1fr)}}@media screen and (max-width: 900px){.hero-section .hero-card{flex-direction:column}.hero-section .hero-image{width:100%;min-height:200px}.hero-section .hero-content{width:100%;padding:1.5rem}.home-main{flex-direction:column-reverse}.author-sidebar{width:100%;position:static}.author-sidebar .sidebar-inner{display:flex;align-items:center;gap:1.5rem;text-align:left;padding:1.5rem}.author-sidebar .sidebar-avatar{width:60px;height:60px;margin-bottom:0;flex-shrink:0}.author-sidebar .sidebar-info{flex:1}.author-sidebar .sidebar-name{margin-bottom:0.2rem}.author-sidebar .sidebar-bio{margin-bottom:0.8rem}.author-sidebar .sidebar-social{justify-content:flex-start;margin-bottom:0}.author-sidebar .sidebar-btn{display:none}.post-grid{grid-template-columns:repeat(2, 1fr)}}@media screen and (max-width: 600px){.hero-section .hero-content .hero-title{font-size:1.3rem}.post-grid{grid-template-columns:1fr}.author-sidebar .sidebar-inner{flex-direction:column;text-align:center}.author-sidebar .sidebar-social{justify-content:center}}