@import"https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Outfit:wght@300;400;450;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--color-canvas: #fafaf9;--color-surface: #ffffff;--color-elevated: #ffffff;--color-border: #e7e5e4;--color-border-light: #f0efed;--color-text-primary: #1c1917;--color-text-secondary: #78716c;--color-text-muted: #a8a29e;--color-accent: #b45309;--color-accent-hover: #92400e;--color-accent-bg: #fef3c7;--color-accent-border: #fde68a;--color-success: #65a30d;--color-success-bg: #ecfccb;--color-warning: #d97706;--color-warning-bg: #fef3c7;--color-error: #dc2626;--color-error-bg: #fee2e2;--color-header-bg: rgba(255, 255, 255, .85);--color-footer-bg: #292524;--color-footer-text: #a8a29e;--color-code-bg: #f5f5f4;--color-cursor-glow: rgba(180, 83, 9, .08);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-elevated: 0 8px 30px rgba(0, 0, 0, .08);--transition: .25s cubic-bezier(.16, 1, .3, 1);--transition-slow: .4s cubic-bezier(.16, 1, .3, 1);--color-text: var(--color-text-primary);--color-background: var(--color-canvas);--color-blurred-background: rgba(250, 250, 249, .75);--color-muted-background: rgba(254, 243, 199, .5);--color-action: var(--color-accent);--color-action-hover: var(--color-accent-hover);--color-primary: var(--color-accent);--color-secondary: var(--color-accent);--color-tertiary: var(--color-accent);--color-decorative: var(--color-text-muted);--color-page-background: var(--color-canvas);--color-page-primary: var(--color-accent);--color-info-100: var(--color-accent-bg);--color-info-400: var(--color-accent-border);--color-info-500: var(--color-accent);--color-info-700: var(--color-accent-hover);--color-error-100: var(--color-error-bg);--color-error-500: var(--color-error);--color-warning-100: var(--color-warning-bg);--color-warning-500: var(--color-warning);--color-success-100: var(--color-success-bg);--color-success-500: var(--color-success);--color-accent-light: rgba(180, 83, 9, .1);--color-adaptive-white: #ffffff;--color-cloud-100: #f5f5f4;--color-cloud-300: #e7e5e4;--color-cloud-400: #d6d3d1;--color-cloud-500: #a8a29e;--color-cloud-700: #78716c;--color-sky-from: #fef3c7;--color-sky-to: #fde68a;--color-sky-subtle: #fffbeb;--color-gray-50: #fafaf9;--color-gray-100: #f5f5f4;--color-gray-200: #e7e5e4;--color-gray-300: #d6d3d1;--color-gray-400: #a8a29e;--color-gray-500: #78716c;--color-gray-600: #57534e;--color-gray-700: #44403c;--color-gray-800: #292524;--color-gray-900: #1c1917;--color-gray-1000: #0c0c09;color-scheme:light}[data-theme=dark]{--color-canvas: #0c0c09;--color-surface: #1a1a16;--color-elevated: #242420;--color-border: #272822;--color-border-light: #1f1f1b;--color-text-primary: #e7e5e4;--color-text-secondary: #a8a29e;--color-text-muted: #78716c;--color-accent: #d97706;--color-accent-hover: #f59e0b;--color-accent-bg: #451a03;--color-accent-border: #78350f;--color-success: #84cc16;--color-success-bg: #1a2e05;--color-warning: #f59e0b;--color-warning-bg: #451a03;--color-error: #ef4444;--color-error-bg: #450a0a;--color-header-bg: rgba(12, 12, 9, .88);--color-footer-bg: #050504;--color-footer-text: #57534e;--color-code-bg: #1a1a16;--color-cursor-glow: rgba(217, 119, 6, .08);--shadow-elevated: 0 8px 30px rgba(0, 0, 0, .5);--color-text: var(--color-text-primary);--color-background: var(--color-canvas);--color-blurred-background: rgba(12, 12, 9, .75);--color-muted-background: rgba(69, 26, 3, .5);--color-action: var(--color-accent);--color-action-hover: var(--color-accent-hover);--color-primary: var(--color-accent);--color-secondary: var(--color-accent);--color-tertiary: var(--color-accent);--color-decorative: var(--color-text-muted);--color-page-background: var(--color-canvas);--color-page-primary: var(--color-accent);--color-info-100: var(--color-accent-bg);--color-info-400: var(--color-accent-border);--color-info-500: var(--color-accent);--color-info-700: var(--color-accent-hover);--color-error-100: var(--color-error-bg);--color-error-500: var(--color-error);--color-warning-100: var(--color-warning-bg);--color-warning-500: var(--color-warning);--color-success-100: var(--color-success-bg);--color-success-500: var(--color-success);--color-accent-light: rgba(217, 119, 6, .15);--color-adaptive-white: #e7e5e4;--color-cloud-100: #0c0c09;--color-cloud-300: #1a1a16;--color-cloud-400: #242420;--color-cloud-500: #272822;--color-cloud-700: #44403c;--color-sky-from: #1a1a16;--color-sky-to: #272822;--color-sky-subtle: #0c0c09;--color-gray-50: #0c0c09;--color-gray-100: #1a1a16;--color-gray-200: #1f1f1b;--color-gray-300: #272822;--color-gray-400: #44403c;--color-gray-500: #57534e;--color-gray-600: #78716c;--color-gray-700: #a8a29e;--color-gray-800: #d6d3d1;--color-gray-900: #e7e5e4;--color-gray-1000: #f5f5f4;color-scheme:dark}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Outfit,PingFang SC,Microsoft YaHei,-apple-system,system-ui,sans-serif;background-color:var(--color-canvas);color:var(--color-text-primary);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition),color var(--transition)}h1,h2,h3,h4,h5,h6{font-family:Playfair Display,Georgia,PingFang SC,serif;font-weight:700;color:var(--color-text-primary);line-height:1.2;letter-spacing:-.02em}h1{letter-spacing:-.04em}h2{letter-spacing:-.03em}code,pre,samp,kbd{font-family:JetBrains Mono,SF Mono,Menlo,monospace}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-accent-hover)}.fblog-container{max-width:68.75rem;margin:0 auto;padding:0 24px}.fblog-section{margin-bottom:80px}.fblog-section-title{font-size:14px;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:24px}.fblog-logo{display:flex;align-items:center;gap:4px;text-decoration:none;color:var(--color-text-primary);font-weight:700;font-size:20px}.fblog-logo:hover{color:var(--color-text-primary)}.fblog-logo-part{transition:transform var(--transition),color var(--transition)}.fblog-logo-part:first-child{color:var(--color-accent);font-family:Playfair Display,Georgia,serif;font-style:italic}.fblog-logo-decorative{display:inline-flex;align-items:center;position:relative}.fblog-logo-decorative svg{transition:transform var(--transition)}.fblog-logo:hover .fblog-logo-decorative svg:first-child{transform:translateY(-1px) rotate(-5deg)}.fblog-logo:hover .fblog-logo-decorative svg:last-child{transform:translateY(1px) rotate(5deg)}.fblog-logo-decorative-letter{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:10px;font-weight:800;color:var(--color-surface);line-height:1}.fblog-bento-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-flow:dense;gap:24px;max-width:68.75rem;margin:0 auto;padding:0 24px}.fblog-bento-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:32px;display:flex;flex-direction:column;justify-content:space-between;transition:border-color var(--transition),transform var(--transition);height:100%}.fblog-bento-card:hover{border-color:var(--color-text-secondary)}.fblog-card-featured{grid-column:span 2;min-height:360px}.fblog-card-aside{grid-column:span 1}.fblog-card-span-2{grid-column:span 2}.fblog-card-span-1{grid-column:span 1}@media (max-width: 1024px){.fblog-bento-grid{grid-template-columns:repeat(2,1fr)}.fblog-card-featured,.fblog-card-span-2{grid-column:span 2}.fblog-card-span-1{grid-column:span 1}}@media (max-width: 768px){.fblog-bento-grid{grid-template-columns:1fr;gap:16px}.fblog-bento-card{padding:24px}.fblog-card-featured,.fblog-card-aside,.fblog-card-span-2,.fblog-card-span-1{grid-column:span 1!important}}.fblog-section-heading{font-size:11px;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px;padding-bottom:8px;border-bottom:1px solid var(--color-border-light)}.fblog-article-card{display:block;text-decoration:none;padding:24px 0;border-bottom:1px solid var(--color-border-light);transition:opacity var(--transition)}.fblog-article-card:hover{opacity:.8}.fblog-article-card:last-child{border-bottom:none}.fblog-article-card-layout{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;color:var(--color-accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}.fblog-article-card-layout svg{width:12px;height:12px}.fblog-article-card-title{font-size:18px;font-weight:700;font-family:Playfair Display,Georgia,serif;color:var(--color-text-primary);line-height:1.3;margin:0 0 6px;letter-spacing:-.02em}.fblog-article-card-subtitle{font-size:14px;font-weight:400;color:var(--color-text-secondary);margin:0 0 8px;line-height:1.5}.fblog-article-card-abstract{font-size:14px;color:var(--color-text-muted);line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.fblog-article-card-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:13px;font-weight:400;color:var(--color-text-muted)}.fblog-article-card-meta svg{width:14px;height:14px;vertical-align:middle;margin-right:4px}.fblog-category-list{display:flex;flex-direction:column;gap:2px}.fblog-category-link{display:flex;align-items:center;justify-content:space-between;padding:6px 0;color:var(--color-text-primary);font-size:14px;font-weight:450;text-decoration:none;transition:color var(--transition)}.fblog-category-link:hover{color:var(--color-accent)}.fblog-category-link:after{content:"→";color:var(--color-text-muted);font-size:14px;opacity:0;transform:translate(-4px);transition:opacity var(--transition),transform var(--transition)}.fblog-category-link:hover:after{opacity:1;transform:translate(0)}.fblog-popular-list{display:flex;flex-direction:column;gap:4px}.fblog-popular-item{display:block;padding:8px 0;color:var(--color-text-primary);font-size:14px;font-weight:450;text-decoration:none;line-height:1.4;transition:color var(--transition);border-bottom:1px solid var(--color-border-light)}.fblog-popular-item:last-child{border-bottom:none}.fblog-popular-item:hover{color:var(--color-accent)}.fblog-nav-btn{display:inline-flex;align-items:center;gap:4px;background:none;border:none;cursor:pointer;color:var(--color-text-secondary);font-size:14px;font-weight:450;padding:8px 14px;border-radius:var(--radius-sm);transition:color var(--transition),background var(--transition);font-family:inherit}.fblog-nav-btn:hover{color:var(--color-text-primary);background:var(--color-border-light)}.fblog-nav-dropdown{position:absolute;top:100%;left:0;background:var(--color-elevated);border:1px solid var(--color-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-elevated);padding:6px;min-width:180px;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity var(--transition),transform var(--transition),visibility var(--transition);z-index:200}.fblog-nav-btn-wrapper{position:relative}.fblog-nav-btn-wrapper:hover .fblog-nav-dropdown,.fblog-nav-btn-wrapper:focus-within .fblog-nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.fblog-nav-dropdown-item{display:block;padding:8px 12px;border-radius:var(--radius-sm);color:var(--color-text-primary);font-size:14px;text-decoration:none;transition:background var(--transition)}.fblog-nav-dropdown-item:hover{background:var(--color-accent-bg);color:var(--color-accent)}.fblog-footer-logo{display:flex;align-items:center;gap:4px;text-decoration:none;color:var(--color-text-primary);font-weight:700;font-size:20px;margin-bottom:32px}.fblog-footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}@media (max-width: 768px){.fblog-footer-grid{grid-template-columns:1fr;gap:32px}}.fblog-footer-heading{font-size:11px;font-weight:700;color:var(--color-footer-text);margin-bottom:16px;text-transform:uppercase;letter-spacing:.08em}.fblog-footer-link{display:block;color:var(--color-footer-text);font-size:14px;text-decoration:none;padding:4px 0;transition:color var(--transition)}.fblog-footer-link:hover{color:var(--color-accent)}.fblog-footer-social{display:flex;gap:12px;margin-top:8px}.fblog-footer-social a{color:var(--color-footer-text);font-size:20px;transition:color var(--transition)}.fblog-footer-social a:hover{color:var(--color-accent)}.fblog-footer-bottom{border-top:1px solid var(--color-border);margin-top:40px;padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.markdown-body{max-width:65ch}.markdown-body h2{font-family:Playfair Display,Georgia,serif;font-size:22px;font-weight:700;margin-top:40px;margin-bottom:16px;padding-top:8px;border-top:1px solid var(--color-border)}.markdown-body h3{font-family:Playfair Display,Georgia,serif;font-size:18px;font-weight:600;margin-top:28px;margin-bottom:12px}.markdown-body p{font-size:15px;line-height:1.8;margin-bottom:16px}.markdown-body ul,.markdown-body ol{padding-left:24px;margin-bottom:16px}.markdown-body li{margin-bottom:8px;line-height:1.7}.markdown-body code:not(pre code){font-family:JetBrains Mono,SF Mono,monospace;background:var(--color-code-bg);padding:2px 6px;border-radius:var(--radius-sm);font-size:13px;border:1px solid var(--color-border-light)}.markdown-body pre{background:var(--color-code-bg);color:var(--color-text-primary);border-radius:var(--radius-sm);padding:20px 24px;overflow-x:auto;font-size:13.5px;line-height:1.6;margin-bottom:20px;border:1px solid var(--color-border)}.markdown-body pre code{font-family:JetBrains Mono,SF Mono,monospace;background:transparent;color:inherit;padding:0}.markdown-body pre{position:relative}.markdown-body pre code.hljs{background:transparent;padding:0}.markdown-body strong{font-weight:600}.markdown-body a{color:var(--color-accent)}.markdown-body a:hover{text-decoration:underline}.markdown-body blockquote{border-left:4px solid var(--color-accent);padding-left:16px;margin:16px 0;color:var(--color-text-muted)}.markdown-body img{border-radius:var(--radius-sm)}.fblog-hover-card{border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition)}.fblog-hover-card:hover{border-color:var(--color-text-muted)}.fblog-wavy-link{display:inline-flex;align-items:center;gap:6px;color:var(--color-accent);font-weight:600;font-size:14px;text-decoration:none}.fblog-wavy-link:hover{color:var(--color-accent-hover)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}@keyframes fblog-fade-in{0%{opacity:0}to{opacity:1}}@keyframes fblog-scale-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes fblog-slide-in{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes fblog-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes fblog-fade-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fblog-progress-in{0%{opacity:0}to{opacity:1}}@keyframes fblog-drawer-in{0%{opacity:0;max-height:0}to{opacity:1;max-height:600px}}@keyframes fblog-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fblog-reveal{opacity:0;animation:fblog-fade-up .6s cubic-bezier(.16,1,.3,1) forwards}.fblog-reveal-delay-1{animation-delay:80ms}.fblog-reveal-delay-2{animation-delay:.16s}.fblog-reveal-delay-3{animation-delay:.24s}.fblog-reveal-delay-4{animation-delay:.32s}.fblog-reveal-delay-5{animation-delay:.4s}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.article-card-link{text-decoration:none}.user-trigger:hover{background:var(--color-border-light)!important}@media (max-width: 768px){.desktop-menu{display:none!important}.mobile-menu-btn{display:inline-flex!important}.fblog-bento-grid{grid-template-columns:1fr!important}.fblog-header-actions .desktop-only{display:none!important}}@media (min-width: 769px){.mobile-menu-btn{display:none!important}}.markdown-body{background:transparent!important;color:var(--color-text-primary)}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{font-family:Playfair Display,Georgia,serif;color:var(--color-text-primary);margin-top:2em;margin-bottom:.75em}.markdown-body h1{font-size:26px;letter-spacing:-.03em}.markdown-body h2{font-size:20px;letter-spacing:-.02em;padding-bottom:8px;border-bottom:1px solid var(--color-border-light)}.markdown-body h3{font-size:17px}.markdown-body p{margin-bottom:1.4em;line-height:1.85}.markdown-body a{color:var(--color-accent);text-decoration:underline;text-decoration-color:var(--color-accent-border);text-underline-offset:3px}.markdown-body a:hover{color:var(--color-accent-hover)}.markdown-body blockquote{border-left:3px solid var(--color-accent);background:var(--color-accent-bg);margin:1.5em 0;padding:14px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--color-text-secondary);font-style:italic}[data-theme=dark] .markdown-body blockquote{background:#d9770614}.markdown-body code:not(pre code){background:var(--color-code-bg);color:var(--color-accent);padding:2px 6px;border-radius:var(--radius-sm);font-size:.875em;border:1px solid var(--color-border)}.markdown-body pre{background:var(--color-code-bg)!important;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:18px 20px;overflow-x:auto;margin:1.5em 0;font-size:13.5px;line-height:1.65}[data-theme=dark] .markdown-body pre{background:#161614!important;border-color:#272822}.markdown-body pre code{background:transparent!important;color:inherit;padding:0;border:none;font-size:inherit}.markdown-body ul,.markdown-body ol{padding-left:1.5em;margin-bottom:1.4em}.markdown-body li{margin-bottom:.4em;line-height:1.7}.markdown-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:14px}.markdown-body th,.markdown-body td{border:1px solid var(--color-border);padding:8px 14px;text-align:left}.markdown-body th{background:var(--color-canvas);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-secondary)}.markdown-body tr:nth-child(2n) td{background:var(--color-canvas)}.markdown-body img{max-width:100%;border-radius:var(--radius-md);border:1px solid var(--color-border);margin:1em 0}.markdown-body hr{border:none;border-top:1px solid var(--color-border-light);margin:2em 0}@media (min-width: 769px){.toc-mobile-trigger{display:none!important}.article-toc{display:block}}@media (max-width: 768px){.article-toc{display:none!important}.toc-mobile-trigger{display:block!important}}.article-toc::-webkit-scrollbar{width:0}@keyframes fblog-drawer-up{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}