:root{--primary: #1a1a2e;--primary-light: #16213e;--accent: #e94560;--accent-hover: #d13650;--text: #2d3436;--text-light: #636e72;--text-muted: #b2bec3;--bg: #ffffff;--bg-light: #f8f9fa;--bg-dark: #f1f3f5;--border: #e9ecef;--success: #00b894;--warning: #fdcb6e;--error: #e74c3c;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 10px 30px rgba(0,0,0,.12);--radius: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-hover)}img{max-width:100%;height:auto;display:block}.container{max-width:1200px;margin:0 auto;padding:0 20px}.site-header{background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-top{padding:16px 0}.header-top .container{display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--primary);flex-shrink:0}.logo-icon{color:var(--accent);font-size:1.6rem}.logo:hover{color:var(--primary)}.main-nav{display:flex;align-items:center;gap:28px}.nav-link{font-weight:500;font-size:.95rem;color:var(--text);position:relative;padding:4px 0}.nav-link:hover{color:var(--accent)}.nav-link.nav-search{font-size:1rem;padding:8px 12px;border-radius:var(--radius);background:var(--bg-light)}.nav-link.nav-search:hover{background:var(--bg-dark)}.mobile-toggle{display:none;background:none;border:none;font-size:1.4rem;color:var(--primary);cursor:pointer;padding:8px}.site-footer{background:var(--primary);color:#fff;padding:60px 0 20px;margin-top:80px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-title{font-size:1.4rem;font-weight:700;margin-bottom:12px}.footer-desc{color:var(--text-muted);font-size:.9rem;line-height:1.6}.footer-subtitle{font-size:1rem;font-weight:600;margin-bottom:16px;color:#fff}.footer-links{list-style:none}.footer-links li{margin-bottom:10px}.footer-links a{color:var(--text-muted);font-size:.9rem;transition:color .2s}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;color:var(--text-muted);font-size:.85rem}.article-content h2{font-size:1.6rem;font-weight:700;margin:40px 0 16px;color:var(--primary);line-height:1.3}.article-content h3{font-size:1.25rem;font-weight:600;margin:28px 0 12px;color:var(--text)}.article-content p{margin-bottom:16px;font-size:1.05rem;line-height:1.75;color:var(--text)}.article-content ul,.article-content ol{margin:16px 0;padding-left:24px}.article-content li{margin-bottom:8px;line-height:1.6}.article-content strong{font-weight:600;color:var(--primary)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.card-image{width:100%;height:200px;background:var(--bg-dark);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:3rem}.card-body{padding:20px}.card-category{display:inline-block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--accent);margin-bottom:8px}.card-title{font-size:1.15rem;font-weight:700;line-height:1.35;margin-bottom:10px;color:var(--primary)}.card-title a{color:inherit}.card-title a:hover{color:var(--accent)}.card-excerpt{font-size:.9rem;color:var(--text-light);line-height:1.6;margin-bottom:14px}.card-meta{font-size:.8rem;color:var(--text-muted);display:flex;align-items:center;gap:8px}.section{padding:48px 0}.section-header{margin-bottom:32px}.section-title{font-size:1.8rem;font-weight:700;color:var(--primary);margin-bottom:8px}.section-subtitle{color:var(--text-light);font-size:1rem}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;border-radius:var(--radius);border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);color:#fff}.btn-secondary{background:var(--bg-dark);color:var(--text)}.btn-secondary:hover{background:var(--border);color:var(--text)}.page-title{font-size:2.2rem;font-weight:800;color:var(--primary);margin-bottom:12px}.page-subtitle{font-size:1.1rem;color:var(--text-light);margin-bottom:32px}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-light);margin-bottom:24px}.breadcrumb a{color:var(--text-light)}.breadcrumb a:hover{color:var(--accent)}@media(max-width:992px){.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.mobile-toggle{display:block}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);flex-direction:column;padding:20px;gap:16px;box-shadow:var(--shadow)}.main-nav.nav-open{display:flex}.footer-grid{grid-template-columns:1fr;gap:32px}.card-grid{grid-template-columns:1fr}.section-title{font-size:1.5rem}.page-title{font-size:1.8rem}}.loading{text-align:center;padding:60px 20px;color:var(--text-light)}.loading i{font-size:2rem;margin-bottom:16px;display:block}.empty-state{text-align:center;padding:80px 20px;color:var(--text-light)}.empty-state i{font-size:3rem;margin-bottom:16px;color:var(--text-muted)}.empty-state h3{font-size:1.3rem;color:var(--text);margin-bottom:8px}