:root{--bg-primary:#0a0e17;--bg-secondary:#111827;--bg-card:#1a2235;--bg-card-hover:#1f2b42;--text-primary:#e2e8f0;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#6366f1;--accent-light:#818cf8;--accent-glow:rgba(99,102,241,0.15);--border:#1e293b;--border-light:#334155;--gradient-1:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#a78bfa 100%);--gradient-2:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);--shadow:0 4px 24px rgba(0,0,0,0.3);--shadow-lg:0 8px 40px rgba(0,0,0,0.4)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--accent-light);text-decoration:none;transition:color .2s}
a:hover{color:#a5b4fc}
.site-header{background:rgba(10,14,23,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;padding:0 2rem}
.header-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}
.site-logo{font-size:1.4rem;font-weight:700;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;gap:2rem}
.main-nav a{color:var(--text-secondary);font-size:.9rem;font-weight:500;padding:.5rem 0;border-bottom:2px solid transparent;transition:all .2s}
.main-nav a:hover,.main-nav a.active{color:var(--accent-light);border-bottom-color:var(--accent)}
.hero{padding:5rem 2rem 4rem;text-align:center;background:var(--gradient-2);border-bottom:1px solid var(--border)}
.hero h1{font-size:3rem;font-weight:800;background:var(--gradient-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem}
.hero p{font-size:1.2rem;color:var(--text-secondary);max-width:640px;margin:0 auto 2rem}
.hero-slogan{font-size:1rem;color:var(--text-muted);margin-top:1.5rem;letter-spacing:.5px}
.main-content{max-width:1280px;margin:0 auto;padding:3rem 2rem}
.modules-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-bottom:3rem}
.module-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:2rem;transition:all .3s;cursor:pointer;text-decoration:none;color:inherit;display:block}
.module-card:hover{background:var(--bg-card-hover);border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.module-card .icon{font-size:2.5rem;margin-bottom:1rem}
.module-card h3{font-size:1.2rem;margin-bottom:.5rem}
.module-card p{color:var(--text-secondary);font-size:.9rem}
.module-card .count{display:inline-block;background:var(--accent-glow);color:var(--accent-light);font-size:.8rem;font-weight:600;padding:.25rem .75rem;border-radius:20px;margin-top:1rem}
.section-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}
.articles-list{display:flex;flex-direction:column}
.article-item{display:flex;align-items:flex-start;padding:1.25rem 0;border-bottom:1px solid var(--border);gap:1rem;transition:background .2s}
.article-item:hover{background:var(--accent-glow);border-radius:8px;padding-left:.75rem;margin:0 -.75rem}
.article-date{color:var(--text-muted);font-size:.8rem;min-width:90px;padding-top:.2rem}
.article-info h3{font-size:1.05rem;font-weight:600;margin-bottom:.25rem}
.article-info h3 a{color:var(--text-primary)}
.article-info h3 a:hover{color:var(--accent-light)}
.article-excerpt{color:var(--text-secondary);font-size:.85rem;margin:.4rem 0 .6rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta .tag{display:inline-block;background:var(--bg-card);border:1px solid var(--border);padding:.1rem .5rem;border-radius:4px;margin-right:.5rem;font-size:.75rem}
.article-container{max-width:800px;margin:0 auto;padding:3rem 2rem}
.article-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}
.article-header h1{font-size:2.2rem;font-weight:800;line-height:1.3;margin-bottom:1rem}
.article-header .meta{color:var(--text-muted);font-size:.9rem}
.article-content{font-size:1.05rem}
.article-content h2{font-size:1.5rem;font-weight:700;margin:2.5rem 0 1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}
.article-content h3{font-size:1.25rem;font-weight:600;margin:2rem 0 .75rem}
.article-content p{margin-bottom:1.25rem}
.article-content ul,.article-content ol{margin:1rem 0 1.5rem 1.5rem}
.article-content li{margin-bottom:.5rem}
.article-content blockquote{border-left:3px solid var(--accent);padding:.75rem 1.25rem;margin:1.5rem 0;background:var(--accent-glow);border-radius:0 8px 8px 0;color:var(--text-secondary)}
.article-content code{background:var(--bg-card);padding:.15rem .4rem;border-radius:4px;font-size:.9em;border:1px solid var(--border)}
.article-content pre{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:1.25rem;overflow-x:auto;margin:1.5rem 0}
.article-content pre code{background:none;border:none;padding:0}
.article-content img{max-width:100%;border-radius:8px;margin:1.5rem 0;border:1px solid var(--border)}
.article-content a{text-decoration:underline;text-underline-offset:2px}
.article-content hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
.category-header{text-align:center;padding:3rem 0 2rem}
.category-header h1{font-size:2rem;font-weight:800;margin-bottom:.5rem}
.category-header p{color:var(--text-secondary)}
.breadcrumb{font-size:.85rem;color:var(--text-muted);margin-bottom:2rem}
.breadcrumb a{color:var(--text-secondary)}
.site-footer{border-top:1px solid var(--border);padding:2rem;text-align:center;color:var(--text-muted);font-size:.85rem;margin-top:4rem}
@media(max-width:768px){.hero h1{font-size:2rem}.hero-stats{gap:1.5rem}.main-nav{gap:1rem}.modules-grid{grid-template-columns:1fr}.article-header h1{font-size:1.6rem}.article-date{display:none}}
::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}