:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a25;--bg-card-hover: #222233;--text-primary: #e8e8ef;--text-secondary: #9898a8;--text-muted: #68687a;--accent: #6366f1;--accent-light: #818cf8;--accent-glow: rgba(99, 102, 241, .15);--border: #2a2a3a;--border-light: #3a3a4a;--radius: 12px;--radius-sm: 8px;--max-width: 1200px;--header-height: 64px}*{margin:0;padding:0;box-sizing:border-box}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased}body{min-height:100vh}a{color:var(--accent-light);text-decoration:none;transition:color .2s}a:hover{color:var(--accent)}img{max-width:100%;height:auto}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:100;background:#0a0a0fd9;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:var(--header-height)}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}.site-logo{font-size:1.25rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.site-logo span{background:linear-gradient(135deg,var(--accent),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;gap:32px;list-style:none}.nav-links a{color:var(--text-secondary);font-size:.95rem;font-weight:500;transition:color .2s}.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}.hero{padding:80px 0 60px;text-align:center}.hero h1{font-size:2.8rem;font-weight:800;line-height:1.2;margin-bottom:20px;background:linear-gradient(135deg,#e8e8ef 30%,var(--accent-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:1.15rem;color:var(--text-secondary);max-width:600px;margin:0 auto 32px}.hero-actions{display:flex;gap:16px;justify-content:center}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;border:none;cursor:pointer;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-light);color:#fff}.btn-secondary{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent-light)}.section{padding:60px 0}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.section-title{font-size:1.5rem;font-weight:700}.section-link{color:var(--text-muted);font-size:.9rem}.section-link:hover{color:var(--accent-light)}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}.blog-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .25s;display:flex;flex-direction:column;text-decoration:none;color:inherit}.blog-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-2px)}.blog-card .tag{display:inline-block;padding:4px 12px;background:var(--accent-glow);color:var(--accent-light);border-radius:20px;font-size:.8rem;font-weight:500;margin-bottom:12px;width:fit-content}.blog-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px;line-height:1.4}.blog-card h3 a{color:var(--text-primary)}.blog-card h3 a:hover{color:var(--accent-light)}.blog-card p{color:var(--text-secondary);font-size:.9rem;flex:1;margin-bottom:16px}.blog-meta{display:flex;align-items:center;gap:16px;color:var(--text-muted);font-size:.82rem}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .25s;text-decoration:none;color:inherit;display:block}.tool-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-2px)}.tool-card-header{display:flex;align-items:center;gap:14px;margin-bottom:14px}.tool-icon{width:44px;height:44px;border-radius:var(--radius-sm);background:var(--accent-glow);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}.tool-card-header h3{font-size:1.05rem;font-weight:600}.tool-card-header .tool-type{font-size:.78rem;color:var(--text-muted)}.tool-card p{color:var(--text-secondary);font-size:.88rem;margin-bottom:16px}.tool-card .tool-tags{display:flex;flex-wrap:wrap;gap:8px}.tool-card .tool-tags span{padding:3px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:20px;font-size:.78rem;color:var(--text-muted)}.article-content{max-width:760px;margin:0 auto;padding:40px 24px 80px}.article-content h1{font-size:2.2rem;font-weight:800;margin-bottom:16px;line-height:1.3}.article-content .article-meta{color:var(--text-muted);font-size:.9rem;margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--border)}.article-content h2{font-size:1.5rem;font-weight:700;margin:40px 0 16px;padding-top:16px;border-top:1px solid var(--border)}.article-content h3{font-size:1.2rem;font-weight:600;margin:32px 0 12px}.article-content p{margin-bottom:16px;color:var(--text-secondary)}.article-content ul,.article-content ol{margin-bottom:16px;padding-left:24px;color:var(--text-secondary)}.article-content li{margin-bottom:8px}.article-content code{background:var(--bg-card);padding:2px 8px;border-radius:4px;font-size:.88em;color:var(--accent-light);font-family:JetBrains Mono,Fira Code,monospace}.article-content pre{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;overflow-x:auto;margin-bottom:20px}.article-content pre code{background:none;padding:0;color:var(--text-primary)}.article-content blockquote{border-left:3px solid var(--accent);padding:12px 20px;margin:20px 0;background:var(--accent-glow);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary)}.article-content img{border-radius:var(--radius-sm);border:1px solid var(--border)}.article-content a{color:var(--accent-light);text-decoration:underline;text-underline-offset:3px}.article-content table{width:100%;border-collapse:collapse;margin:20px 0}.article-content th,.article-content td{padding:10px 14px;border:1px solid var(--border);text-align:left;font-size:.9rem}.article-content th{background:var(--bg-card);font-weight:600}.site-footer{border-top:1px solid var(--border);padding:40px 0;text-align:center;color:var(--text-muted);font-size:.85rem}.site-footer a{color:var(--text-secondary)}@media(max-width:768px){.hero h1{font-size:2rem}.hero p{font-size:1rem}.blog-grid,.tool-grid{grid-template-columns:1fr}.nav-links{gap:20px}.hero-actions{flex-direction:column;align-items:center}}