html{scroll-behavior:smooth}:root{--primary-blue:#2563eb;--primary-purple:#7c3aed;--primary-blue-hover:#1d4ed8;--primary-blue-light:#3b82f6;--bg-primary:#fff;--bg-secondary:#f9fafb;--bg-tertiary:#f3f4f6;--bg-hover:#f0f9ff;--text-primary:#111827;--text-secondary:#4b5563;--text-tertiary:#9ca3af;--border-color:#e5e7eb;--border-hover:#d1d5db;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a;--transition-fast:.15s ease-in-out;--transition-base:.3s ease-in-out;--transition-slow:.5s ease-in-out;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"Fira Code", "Consolas", "Monaco", monospace;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-primary);flex-direction:column;min-height:100vh;font-size:1rem;line-height:1.75;display:flex}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::selection{background-color:var(--primary-blue);color:#fff}a{color:var(--primary-blue);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--primary-blue-hover)}a:focus-visible{outline:2px solid var(--primary-blue);outline-offset:2px;border-radius:var(--radius-sm)}h1,h2,h3,h4,h5,h6{color:var(--text-primary);margin-bottom:var(--spacing-md);font-weight:600;line-height:1.3}h1{letter-spacing:-.02em;font-size:clamp(2rem,5vw,3rem)}h2{letter-spacing:-.01em;font-size:clamp(1.5rem,4vw,2.25rem)}h3{font-size:clamp(1.25rem,3vw,1.875rem)}h4{font-size:clamp(1.125rem,2.5vw,1.5rem)}p{margin-bottom:var(--spacing-md);color:var(--text-secondary)}code{font-family:var(--font-mono);background-color:var(--bg-tertiary);color:var(--primary-blue);border-radius:var(--radius-sm);padding:.2em .4em;font-size:.875em}pre{font-family:var(--font-mono);background-color:var(--bg-tertiary);padding:var(--spacing-lg);border-radius:var(--radius-lg);margin-bottom:var(--spacing-lg);font-size:.875rem;line-height:1.7;overflow-x:auto}pre code{color:var(--text-primary);background-color:#0000;padding:0}ul,ol{margin-bottom:var(--spacing-md);padding-left:var(--spacing-xl);color:var(--text-secondary)}li{margin-bottom:var(--spacing-sm)}hr{border:none;border-top:1px solid var(--border-color);margin:var(--spacing-xl) 0}img{max-width:100%;height:auto;display:block}table{border-collapse:collapse;width:100%;margin-bottom:var(--spacing-lg)}th,td{padding:var(--spacing-md);text-align:left;border-bottom:1px solid var(--border-color)}th{color:var(--text-primary);background-color:var(--bg-secondary);font-weight:600}td{color:var(--text-secondary)}blockquote{margin:var(--spacing-lg) 0;padding:var(--spacing-md) var(--spacing-lg);border-left:4px solid var(--primary-blue);background-color:var(--bg-secondary);border-radius:var(--radius-md);color:var(--text-secondary);font-style:italic}button{font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);border:none}button:focus-visible{outline:2px solid var(--primary-blue);outline-offset:2px}input,textarea,select{font-family:var(--font-sans);padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-primary);color:var(--text-primary);transition:border-color var(--transition-fast);font-size:1rem}input:focus,textarea:focus,select:focus{border-color:var(--primary-blue);outline:none;box-shadow:0 0 0 3px #2563eb1a}.container{width:100%;max-width:1200px;padding:0 var(--spacing-lg);margin:0 auto}.container-narrow{max-width:800px}.container-wide{max-width:1400px}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.font-bold{font-weight:600}.font-normal{font-weight:400}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.bg-primary{background-color:var(--bg-primary)}.bg-secondary{background-color:var(--bg-secondary)}.bg-tertiary{background-color:var(--bg-tertiary)}@media (width<=768px){html{font-size:14px}.container{padding:0 var(--spacing-md)}}@media (width<=480px){html{font-size:13px}}@media print{body{color:#000;background:#fff}a{text-decoration:underline}nav,footer,.no-print{display:none}}.logo-icon[data-astro-cid-f7espo7c]{object-fit:contain;flex-shrink:0;display:block}.navbar[data-astro-cid-l7arcky5]{z-index:var(--z-sticky);background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);backdrop-filter:blur(10px);transition:all var(--transition-base);position:sticky;top:0}.nav-container[data-astro-cid-l7arcky5]{max-width:1400px;padding:0 var(--spacing-xl);align-items:center;gap:var(--spacing-2xl);height:64px;margin:0 auto;display:flex}.nav-logo[data-astro-cid-l7arcky5]{color:var(--text-primary);letter-spacing:-.02em;transition:opacity var(--transition-fast);align-items:center;gap:10px;font-size:1.25rem;font-weight:700;text-decoration:none;display:flex}.nav-logo[data-astro-cid-l7arcky5]:hover{opacity:.8}.nav-menu[data-astro-cid-l7arcky5]{flex:1;align-items:center;gap:4px;margin:0;padding:0;list-style:none;display:flex}.nav-item[data-astro-cid-l7arcky5]{position:relative}.nav-link[data-astro-cid-l7arcky5]{color:var(--text-secondary);border-radius:var(--radius-md);transition:color var(--transition-fast);align-items:center;gap:4px;padding:8px 12px;font-size:.9375rem;font-weight:500;display:flex}.nav-link[data-astro-cid-l7arcky5]:hover{color:var(--text-primary)}.nav-link[data-astro-cid-l7arcky5].cta{color:#fff;background-color:#000;border-radius:8px;margin-left:auto;padding:8px 20px;font-weight:600}.nav-link[data-astro-cid-l7arcky5].cta:hover{color:#fff;background-color:#1a1a1a}.dropdown-arrow[data-astro-cid-l7arcky5]{transition:transform var(--transition-fast);font-size:.75rem}.dropdown-menu[data-astro-cid-l7arcky5]{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);min-width:200px;box-shadow:var(--shadow-lg);padding:var(--spacing-sm);opacity:0;visibility:hidden;transition:all var(--transition-fast);margin:0;list-style:none;position:absolute;top:calc(100% + 8px);left:0;transform:translateY(-10px)}.nav-item[data-astro-cid-l7arcky5]:hover .dropdown-menu[data-astro-cid-l7arcky5]{opacity:1;visibility:visible;transform:translateY(0)}.nav-item[data-astro-cid-l7arcky5]:hover .dropdown-arrow[data-astro-cid-l7arcky5]{transform:rotate(180deg)}.dropdown-link[data-astro-cid-l7arcky5]{color:var(--text-secondary);border-radius:var(--radius-md);transition:color var(--transition-fast);padding:8px 12px;font-size:.875rem;display:block}.dropdown-link[data-astro-cid-l7arcky5]:hover{color:var(--text-primary)}.mobile-menu-toggle[data-astro-cid-l7arcky5]{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:4px;width:28px;height:28px;margin-left:auto;padding:4px;display:none}.mobile-menu-toggle[data-astro-cid-l7arcky5] span[data-astro-cid-l7arcky5]{background-color:var(--text-primary);width:100%;height:2px;transition:all var(--transition-fast);border-radius:2px;display:block}.mobile-menu-toggle[data-astro-cid-l7arcky5]:hover span[data-astro-cid-l7arcky5]{background-color:var(--primary-blue)}@media (width<=768px){.nav-menu[data-astro-cid-l7arcky5]{display:none}.mobile-menu-toggle[data-astro-cid-l7arcky5]{display:flex}.nav-container[data-astro-cid-l7arcky5]{padding:0 var(--spacing-md)}}.navbar[data-astro-cid-l7arcky5].scrolled{box-shadow:var(--shadow-md)}.footer[data-astro-cid-jo6i4kqk]{color:#e0e0e0;background:linear-gradient(135deg,#1a1a2e 0%,#0f0f1e 100%);margin-top:80px;padding:60px 20px 30px}.footer-content[data-astro-cid-jo6i4kqk]{max-width:1200px;margin:0 auto}.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:40px;margin-bottom:40px;display:grid}.footer-col[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:16px;display:flex}.footer-title[data-astro-cid-jo6i4kqk]{color:#fff;margin:0 0 12px;padding-bottom:8px;font-size:18px;font-weight:600;position:relative}.footer-title[data-astro-cid-jo6i4kqk]:after{content:"";background:linear-gradient(90deg,#3b82f6,#0000);width:40px;height:2px;position:absolute;bottom:0;left:0}.footer-desc[data-astro-cid-jo6i4kqk]{color:#a0a0b0;margin:0;font-size:14px;line-height:1.8}.footer-links[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.footer-links[data-astro-cid-jo6i4kqk] li[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:#a0a0b0;font-size:14px;text-decoration:none;transition:all .2s;display:inline-block}.footer-links[data-astro-cid-jo6i4kqk] li[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:#3b82f6;transform:translate(4px)}.footer-bottom[data-astro-cid-jo6i4kqk]{text-align:center;border-top:1px solid #ffffff1a;padding-top:24px}.footer-copyright[data-astro-cid-jo6i4kqk]{color:#808090;margin:0 0 8px;font-size:14px}.footer-beian[data-astro-cid-jo6i4kqk]{color:#606070;margin:0;font-size:13px}.footer-beian[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:#606070;text-decoration:none;transition:color .2s}.footer-beian[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:#3b82f6}.footer-beian[data-astro-cid-jo6i4kqk] .divider[data-astro-cid-jo6i4kqk]{opacity:.5;margin:0 8px}@media (width<=768px){.footer[data-astro-cid-jo6i4kqk]{margin-top:60px;padding:40px 20px 24px}.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr;gap:32px}.footer-title[data-astro-cid-jo6i4kqk]{font-size:16px}.footer-desc[data-astro-cid-jo6i4kqk],.footer-links[data-astro-cid-jo6i4kqk] li[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk],.footer-copyright[data-astro-cid-jo6i4kqk]{font-size:13px}.footer-beian[data-astro-cid-jo6i4kqk]{font-size:12px}}