@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#dbeafe;--success:#059669;--success-light:#d1fae5;--success-dark:#047857;--danger:#dc2626;--danger-light:#fee2e2;--white:#ffffff;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--bg:#f8fafc;--card:#ffffff;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,0.1);--shadow-lg:0 10px 25px rgba(0,0,0,0.1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.6;color:var(--gray-800);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}ul{list-style:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}.site-header{background:var(--white);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:100;backdrop-filter:blur(10px)}.header-inner,.site-logo{display:flex;align-items:center}.header-inner{justify-content:space-between;gap:20px;padding:16px 0;flex-wrap:wrap}.site-logo{font-size:1.5rem;font-weight:700;color:var(--primary);gap:8px}.site-logo::before{content:"";width:10px;height:10px;background:var(--success);border-radius:50%;animation:pulse 2s infinite}.search-form{display:flex;flex:1;max-width:500px;background:var(--gray-50);border:2px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;transition:all .2s}.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.search-form input{flex:1;padding:12px 16px;border:0;background:#fff0;font-size:1rem;color:var(--gray-800);outline:0}.search-form button{padding:12px 24px;background:var(--primary);color:#fff;border:0;font-weight:600;cursor:pointer;transition:background .2s}.search-form button:hover{background:var(--primary-hover)}.nav-menu{display:flex;gap:8px}.nav-menu a{padding:8px 16px;color:var(--gray-600);font-weight:500;border-radius:8px;transition:all .2s}.nav-menu a:hover{background:var(--gray-100);color:var(--primary)}.breadcrumb{background:var(--white);padding:12px 0;font-size:.875rem;border-bottom:1px solid var(--gray-100)}.breadcrumb a{color:var(--gray-500)}.breadcrumb span{color:var(--gray-400)}main{padding:24px 0;min-height:60vh}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--gray-100);overflow:hidden;transition:all .25s;margin-bottom:16px}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card a{display:block;color:inherit}.site-footer{background:var(--white);border-top:1px solid var(--gray-200);padding:32px 0;margin-top:32px;text-align:center}.site-footer p{color:var(--gray-600);font-size:.9rem;margin-bottom:8px}.disclaimer{color:var(--gray-400);font-size:.8rem;font-style:italic}.theme-toggle{position:fixed;bottom:20px;right:20px;width:50px;height:50px;background:var(--white);border:1px solid var(--gray-200);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-lg);z-index:1000;font-size:1.25rem;transition:transform .2s}.theme-toggle:hover{transform:scale(1.1)}@media (max-width:768px){.header-inner{flex-direction:column;align-items:stretch}.search-form{max-width:100%}.nav-menu{justify-content:center}}@media print{.site-footer,.site-header,.theme-toggle{display:none!important}}