:root{--color-bg: #ffffff;--color-bg-secondary: #f8f9fa;--color-text: #1a1a1a;--color-text-secondary: #6b7280;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-border: #e5e7eb;--color-shadow: rgba(0, 0, 0, .1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--max-width: 1200px;--header-height: 64px;--transition: all .2s ease}[data-theme=dark]{--color-bg: #0f172a;--color-bg-secondary: #1e293b;--color-text: #e2e8f0;--color-text-secondary: #94a3b8;--color-primary: #60a5fa;--color-primary-hover: #3b82f6;--color-border: #334155;--color-shadow: rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--color-text);background-color:var(--color-bg);scroll-behavior:smooth}body{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);color:var(--color-text)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{margin-bottom:var(--spacing-md);line-height:1.7}a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--color-primary-hover);text-decoration:underline}code{font-family:var(--font-mono);font-size:.875em;background-color:var(--color-bg-secondary);padding:.125rem .375rem;border-radius:.25rem;color:var(--color-text)}pre{background-color:var(--color-bg-secondary);padding:var(--spacing-md);border-radius:.5rem;overflow-x:auto;margin:var(--spacing-lg) 0}pre code{background:none;padding:0}img{max-width:100%;height:auto;display:block;border-radius:.5rem}ul,ol{margin-bottom:var(--spacing-md);padding-left:var(--spacing-lg)}li{margin-bottom:var(--spacing-xs)}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-md)}.main-content{flex:1;padding:var(--spacing-xl) 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-size:.875rem;font-weight:500;border-radius:.375rem;border:1px solid transparent;cursor:pointer;transition:var(--transition);text-decoration:none}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover);text-decoration:none}.btn-outline{background-color:transparent;border-color:var(--color-border);color:var(--color-text)}.btn-outline:hover{background-color:var(--color-bg-secondary);text-decoration:none}.card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:.5rem;padding:var(--spacing-lg);transition:var(--transition)}.card:hover{border-color:var(--color-primary);box-shadow:0 4px 6px var(--color-shadow)}.site-header{position:sticky;top:0;z-index:100;background-color:var(--color-bg);border-bottom:1px solid var(--color-border);height:var(--header-height);display:flex;align-items:center}.header-content{display:flex;align-items:center;justify-content:space-between;width:100%}.logo{font-size:1.25rem;font-weight:700;color:var(--color-text)}.logo:hover{text-decoration:none}.nav-main{display:flex;gap:var(--spacing-lg);align-items:center}.nav-link{color:var(--color-text-secondary);font-weight:500;transition:var(--transition)}.nav-link:hover{color:var(--color-text);text-decoration:none}.nav-link.active{color:var(--color-primary)}.site-footer{background-color:var(--color-bg-secondary);border-top:1px solid var(--color-border);padding:var(--spacing-xl) 0;margin-top:auto}.footer-content{text-align:center;color:var(--color-text-secondary);font-size:.875rem}.article-header{margin-bottom:var(--spacing-xl)}.article-title{font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}.article-meta{display:flex;gap:var(--spacing-md);color:var(--color-text-secondary);font-size:.875rem;flex-wrap:wrap}.article-cover{margin:var(--spacing-xl) 0;border-radius:.75rem;overflow:hidden}.article-cover img{width:100%;height:auto}.article-content{font-size:1.0625rem;line-height:1.8}.article-content h2{margin-top:var(--spacing-2xl);margin-bottom:var(--spacing-md)}.article-content p{margin-bottom:var(--spacing-lg)}.tag{display:inline-block;padding:.25rem .75rem;font-size:.75rem;font-weight:500;background-color:var(--color-bg-secondary);color:var(--color-text-secondary);border-radius:1rem;transition:var(--transition)}.tag:hover{background-color:var(--color-primary);color:#fff;text-decoration:none}.lang-switcher{position:relative}.lang-button{display:flex;align-items:center;gap:.25rem;padding:.375rem .75rem;font-size:.875rem;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:.375rem;cursor:pointer;transition:var(--transition)}.lang-button:hover{background-color:var(--color-border)}.lang-dropdown{position:absolute;top:100%;right:0;margin-top:.25rem;background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:.375rem;box-shadow:0 4px 6px var(--color-shadow);min-width:120px;display:none}.lang-dropdown.show{display:block}.lang-option{display:block;padding:.5rem .75rem;color:var(--color-text);transition:var(--transition)}.lang-option:hover{background-color:var(--color-bg-secondary);text-decoration:none}.theme-toggle{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:.375rem;cursor:pointer;transition:var(--transition)}.theme-toggle:hover{background-color:var(--color-border)}.mobile-menu-button{display:none;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background-color:transparent;border:none;cursor:pointer}@media(max-width:768px){.nav-main{display:none}.mobile-menu-button{display:flex}.article-title,h1{font-size:1.75rem}h2{font-size:1.375rem}h3{font-size:1.125rem}}.toc{position:sticky;top:calc(var(--header-height) + var(--spacing-xl));padding:var(--spacing-lg);background-color:var(--color-bg-secondary);border-radius:.5rem;font-size:.875rem}.toc-title{font-weight:600;margin-bottom:var(--spacing-md);color:var(--color-text)}.toc-list{list-style:none;padding:0}.toc-item{margin-bottom:var(--spacing-sm)}.toc-link{color:var(--color-text-secondary);transition:var(--transition)}.toc-link:hover{color:var(--color-primary);text-decoration:none}.ad-placeholder{background-color:var(--color-bg-secondary);border:1px dashed var(--color-border);padding:var(--spacing-md);text-align:center;color:var(--color-text-secondary);font-size:.75rem;margin:var(--spacing-xl) 0;border-radius:.5rem}.header-actions[data-astro-cid-qlfjksao]{display:flex;gap:var(--spacing-sm);align-items:center}