:root{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-card: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border-color: #e2e8f0;--accent-color: #2563eb;--accent-hover: #1d4ed8;--accent-light: #eff6ff;--code-bg: #f1f5f9;--tag-bg: #e0e7ff;--tag-text: #3730a3;--shadow: 0 4px 6px -1px rgb(0 0 0 / .05), 0 2px 4px -2px rgb(0 0 0 / .05);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .05);--radius: 12px;--radius-sm: 6px;--max-width: 860px}html.dark{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #64748b;--border-color: #334155;--accent-color: #38bdf8;--accent-hover: #0ea5e9;--accent-light: #082f49;--code-bg: #0b1120;--tag-bg: #1e1b4b;--tag-text: #a5b4fc;--shadow: 0 4px 6px -1px rgb(0 0 0 / .4);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.7;min-height:100vh;display:flex;flex-direction:column;transition:background-color .25s ease,color .25s ease}a{color:var(--accent-color);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-hover)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}header{border-bottom:1px solid var(--border-color);background:var(--bg-primary);position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background-color:#ffffffd9}html.dark header{background-color:#0f172ad9}.nav-container{display:flex;align-items:center;justify-content:space-between;height:4.5rem}.site-logo{font-size:1.25rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.site-logo:hover{color:var(--accent-color)}.site-logo .badge{font-size:.75rem;font-weight:600;padding:.15rem .5rem;background-color:var(--accent-light);color:var(--accent-color);border-radius:var(--radius-sm)}.nav-links{display:flex;align-items:center;gap:1.5rem;list-style:none}.nav-links a{color:var(--text-secondary);font-weight:500;font-size:.95rem}.nav-links a:hover,.nav-links a.active{color:var(--accent-color)}main{flex:1;padding:2.5rem 0}.hero{padding:3rem 0 2rem;border-bottom:1px solid var(--border-color);margin-bottom:2.5rem}.hero h1{font-size:2.5rem;font-weight:800;letter-spacing:-.025em;margin-bottom:.75rem;background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:1.125rem;color:var(--text-secondary);max-width:650px;line-height:1.6}.hero-socials{display:flex;gap:1rem;margin-top:1.25rem}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;font-size:.9rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-card);color:var(--text-primary);cursor:pointer;transition:all .15s ease}.btn:hover{border-color:var(--accent-color);color:var(--accent-color);transform:translateY(-1px)}.btn-primary{background-color:var(--accent-color);color:#fff!important;border-color:var(--accent-color)}.btn-primary:hover{background-color:var(--accent-hover);border-color:var(--accent-hover)}.posts-grid{display:flex;flex-direction:column;gap:1.5rem}.post-card{padding:1.5rem;border:1px solid var(--border-color);border-radius:var(--radius);background:var(--bg-card);box-shadow:var(--shadow);transition:all .2s ease;display:flex;flex-direction:column;gap:.75rem}.post-card:hover{border-color:var(--accent-color);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.post-card-header{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:.5rem}.post-card h3{font-size:1.35rem;font-weight:700;color:var(--text-primary)}.post-card:hover h3{color:var(--accent-color)}.post-date{font-size:.85rem;color:var(--text-muted)}.post-description{color:var(--text-secondary);font-size:.975rem;line-height:1.6}.tags-list{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.25rem}.tag-badge{font-size:.775rem;padding:.2rem .6rem;background-color:var(--tag-bg);color:var(--tag-text);border-radius:9999px;font-weight:500;transition:opacity .15s ease}.tag-badge:hover{opacity:.85}.article-header{margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.article-header h1{font-size:2.25rem;font-weight:800;line-height:1.25;margin-bottom:1rem}.article-meta{display:flex;align-items:center;gap:1.5rem;color:var(--text-muted);font-size:.9rem;margin-bottom:1rem}.prose{color:var(--text-primary);font-size:1.05rem;line-height:1.8}.prose h2{font-size:1.75rem;margin:2.25rem 0 1rem;font-weight:700;border-bottom:1px solid var(--border-color);padding-bottom:.4rem}.prose h3{font-size:1.35rem;margin:1.75rem 0 .75rem;font-weight:600}.prose p{margin-bottom:1.25rem}.prose ul,.prose ol{margin:1rem 0 1.5rem 1.5rem}.prose li{margin-bottom:.4rem}.prose blockquote{border-left:4px solid var(--accent-color);padding:.75rem 1.25rem;margin:1.5rem 0;background-color:var(--bg-secondary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary);font-style:italic}.prose code{background-color:var(--code-bg);padding:.2rem .4rem;border-radius:var(--radius-sm);font-size:.875em;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.prose pre{background-color:var(--code-bg)!important;border:1px solid var(--border-color);padding:1.25rem;border-radius:var(--radius);overflow-x:auto;margin:1.5rem 0;font-size:.9rem;line-height:1.6}.prose pre code{background:transparent!important;padding:0;border-radius:0}.prose img{max-width:100%;border-radius:var(--radius);margin:1.5rem 0}.prose table{width:100%;border-collapse:collapse;margin:1.5rem 0}.prose th,.prose td{border:1px solid var(--border-color);padding:.75rem 1rem;text-align:left}.prose th{background-color:var(--bg-secondary);font-weight:600}footer{border-top:1px solid var(--border-color);padding:2.5rem 0;background:var(--bg-secondary);margin-top:auto}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.9rem;color:var(--text-muted)}.footer-links{display:flex;gap:1.25rem}.theme-toggle-btn{background:none;border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:.45rem .6rem;cursor:pointer;color:var(--text-primary);display:flex;align-items:center;justify-content:center;transition:all .15s ease}.theme-toggle-btn:hover{background-color:var(--bg-secondary);border-color:var(--accent-color)}.theme-icon{width:1.15rem;height:1.15rem}@media(max-width:640px){.hero h1{font-size:2rem}.nav-container{height:4rem}.nav-links{gap:1rem}.article-header h1{font-size:1.75rem}}