@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap";:root{--color-bg: #F7F7F7;--color-surface: #FFFFFF;--color-surface-hover: #FAFAFA;--color-text: #111111;--color-text-secondary: #555555;--color-accent: #E22D30;--color-accent-subtle: rgba(226, 45, 48, .06);--color-border: #E6E6E6;--color-border-hover: #D4D4D4;--color-code-bg: #F3F4F5;--color-shadow: 0 2px 10px rgba(0, 0, 0, .04);--color-shadow-hover: 0 8px 24px rgba(0, 0, 0, .08);--font-serif: "Times New Roman", Georgia, serif;--font-heading: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;--max-width: 1200px;--sidebar-width: 300px;--content-max: 70ch;--body-size: 16.5px;--line-height: 1.76;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3.5rem;--radius-sm: 4px;--radius: 6px}[data-theme=dark],html.dark{--color-bg: #0d1117;--color-surface: #161b22;--color-surface-hover: #1f242c;--color-text: #e6edf3;--color-text-secondary: #8b949e;--color-accent: #ff5252;--color-accent-subtle: rgba(255, 82, 82, .12);--color-border: #30363d;--color-border-hover: #484f58;--color-code-bg: #161b22;--color-shadow: 0 2px 14px rgba(0, 0, 0, .4);--color-shadow-hover: 0 8px 30px rgba(0, 0, 0, .65)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--body-size);scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text);line-height:var(--line-height);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,video,svg{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}ul,ol{list-style:none}.skip-link{position:absolute;top:-999px;left:0;background:var(--color-text);color:#fff;padding:.5rem 1rem;font-family:var(--font-body);font-size:14px;font-weight:500;z-index:9999}.skip-link:focus{top:0}.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100;transition:transform .28s cubic-bezier(.16,1,.3,1),background-color .2s ease,border-color .2s ease;will-change:transform}.site-header__inner{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-xl);height:56px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-xl)}.site-header__brand{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;color:var(--color-text);letter-spacing:0;white-space:nowrap;flex-shrink:0}.site-header__brand:hover{color:var(--color-accent)}.site-header__right{display:flex;align-items:center;gap:1.5rem}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-secondary);cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);padding:0;flex-shrink:0}.theme-toggle:hover{color:var(--color-accent);border-color:var(--color-accent);background:var(--color-surface-hover);transform:translateY(-1px)}.theme-toggle:active{transform:translateY(0)}[data-theme=dark] .theme-icon--moon{display:none}[data-theme=dark] .theme-icon--sun{display:block}html:not([data-theme=dark]) .theme-icon--sun{display:none}html:not([data-theme=dark]) .theme-icon--moon{display:block}.site-nav{display:flex;align-items:center;gap:1.75rem}.site-nav__link{font-family:var(--font-body);font-size:14px;font-weight:500;color:var(--color-text-secondary);padding:4px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.site-nav__link:hover,.site-nav__link[aria-current=page]{color:var(--color-text);border-bottom-color:var(--color-accent)}.site-nav-mobile{display:none}.site-nav-mobile summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);transition:all .2s cubic-bezier(.16,1,.3,1);user-select:none}.site-nav-mobile summary::-webkit-details-marker{display:none}.site-nav-mobile summary:hover{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-surface-hover)}.hamburger{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:18px;height:14px;position:relative}.hamburger span{display:block;height:2px;width:18px;background:currentColor;border-radius:1px;transition:transform .25s cubic-bezier(.16,1,.3,1),opacity .2s ease;transform-origin:center}.site-nav-mobile[open] summary .hamburger span:nth-child(1){transform:translateY(6px) rotate(45deg)}.site-nav-mobile[open] summary .hamburger span:nth-child(2){opacity:0;transform:scaleX(0)}.site-nav-mobile[open] summary .hamburger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.site-nav-mobile__menu{position:fixed;top:56px;left:0;right:0;width:100vw;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:.75rem var(--space-md);display:flex;flex-direction:column;box-shadow:0 12px 28px #0003;z-index:999;animation:mobileNavSlideDown .22s cubic-bezier(.16,1,.3,1)}@keyframes mobileNavSlideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.site-nav-mobile__menu a{font-family:var(--font-body);font-size:15px;font-weight:500;color:var(--color-text);padding:12px 14px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;transition:background-color .15s,color .15s;border-radius:var(--radius-sm);text-decoration:none}.site-nav-mobile__menu a:last-child{border-bottom:none}.site-nav-mobile__menu a:hover,.site-nav-mobile__menu a[aria-current=page]{color:var(--color-accent);background-color:var(--color-surface-hover)}.site-nav-mobile__menu a[aria-current=page]:after{content:"•";color:var(--color-accent);font-size:18px;line-height:1}@media(max-width:768px){:root{--body-size: 15px;--line-height: 1.72;--space-2xl: 2rem;--space-xl: 1.5rem}.site-header.site-header--hidden{transform:translateY(-100%)}.site-header__inner{padding:0 var(--space-md)}.site-header__brand{font-size:1.15rem}.site-header__right{gap:.5rem}.site-nav{display:none}.site-nav-mobile{display:block}}.reading-progress-bar{position:fixed;top:0;left:0;height:3px;width:0%;background:linear-gradient(90deg,var(--color-accent),#ff7875);z-index:9999;transition:width .08s ease-out;box-shadow:0 0 10px var(--color-accent)}.back-to-top{position:fixed;bottom:2rem;right:2rem;width:42px;height:42px;border-radius:50%;background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;box-shadow:var(--color-shadow);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .25s cubic-bezier(.16,1,.3,1);z-index:90}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{color:var(--color-accent);border-color:var(--color-accent);transform:translateY(-2px);box-shadow:var(--color-shadow-hover)}.code-copy-btn{position:absolute;top:8px;right:8px;display:flex;align-items:center;gap:5px;padding:4px 9px;font-family:var(--font-mono);font-size:11px;font-weight:500;color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;opacity:0;transition:all .2s ease;z-index:10}.prose pre:hover .code-copy-btn,.code-copy-btn:focus{opacity:1}.code-copy-btn:hover{color:var(--color-text);border-color:var(--color-border-hover);background:var(--color-surface-hover)}.code-copy-btn.copied{opacity:1;color:#10b981;border-color:#10b981;background:#10b98114}.page-main{max-width:var(--max-width);margin:0 auto;padding:var(--space-2xl) var(--space-xl)}@media(max-width:1024px){.page-main{padding:var(--space-xl) var(--space-xl)}}@media(max-width:768px){.page-main{padding:var(--space-lg) var(--space-md)}}@media(max-width:480px){.page-main{padding:1.25rem .875rem}}.layout-two-col{display:grid;grid-template-columns:1fr var(--sidebar-width);gap:var(--space-2xl);align-items:start}@media(max-width:1024px){.layout-two-col{grid-template-columns:1fr;gap:var(--space-xl)}.layout-two-col__sidebar{order:1}.layout-two-col__main{order:0}.sidebar-toc{display:none}}@media(max-width:768px){.layout-two-col{gap:var(--space-lg)}.back-to-top{bottom:1.25rem;right:1rem;width:38px;height:38px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}}.site-footer{border-top:1px solid var(--color-border);background:var(--color-surface);padding:var(--space-lg) var(--space-xl);margin-top:var(--space-2xl)}.site-footer__inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);flex-wrap:wrap}.site-footer__copy{font-family:var(--font-mono);font-size:12px;color:var(--color-text-secondary)}.site-footer__links{display:flex;gap:var(--space-lg)}.site-footer__links a{font-family:var(--font-mono);font-size:12px;color:var(--color-text-secondary);transition:color .12s}.site-footer__links a:hover{color:var(--color-accent)}@media(max-width:768px){.site-footer{padding:var(--space-lg) var(--space-md);margin-top:var(--space-xl)}.site-footer__inner{flex-direction:column;align-items:flex-start;gap:var(--space-sm)}}.category-badge{display:inline-block;background:var(--color-accent);color:#fff;font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.07em;text-transform:uppercase;padding:2px 7px;border-radius:var(--radius-sm)}.category-badge--outline{background:transparent;color:var(--color-accent);border:1px solid var(--color-accent)}.tag-list{display:flex;flex-wrap:wrap;gap:5px}.tag{display:inline-block;font-family:var(--font-mono);font-size:11px;color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border);padding:2px 7px;border-radius:var(--radius-sm);transition:border-color .12s,color .12s}.tag:hover{border-color:var(--color-text);color:var(--color-text)}.post-list{display:flex;flex-direction:column}.post-card{padding:var(--space-xl) 0;border-bottom:1px solid var(--color-border)}.post-card:first-child{padding-top:0}.post-card__meta{display:flex;align-items:center;gap:var(--space-md);margin-bottom:.5rem;flex-wrap:wrap}.post-card__date{font-family:var(--font-mono);font-size:12px;color:var(--color-text-secondary);letter-spacing:.02em}.post-card__title{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-bottom:.5rem}.post-card__title a{color:var(--color-text);transition:color .12s}.post-card__title a:hover{color:var(--color-accent)}.post-card__description{font-size:15px;color:var(--color-text-secondary);line-height:1.65;margin-bottom:var(--space-md);max-width:65ch}.site-intro{padding-bottom:var(--space-xl);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-xl)}.site-intro__title{font-family:var(--font-serif);font-size:clamp(1.75rem,4vw,2.25rem);font-weight:700;line-height:1.2;letter-spacing:-.01em;margin-bottom:.75rem}.site-intro__sub{font-size:15px;color:var(--color-text-secondary);max-width:58ch;line-height:1.7}.section-label{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--color-text-secondary);margin-bottom:var(--space-lg)}@media(max-width:768px){.post-card{padding:1.25rem 0}.post-card__title{font-size:1.15rem;line-height:1.35}.post-card__description{font-size:14px;margin-bottom:var(--space-sm)}.site-intro{padding-bottom:var(--space-lg);margin-bottom:var(--space-lg)}.site-intro__title{font-size:1.65rem}.site-intro__sub{font-size:14px;line-height:1.6}.search-input{font-size:16px!important;padding:9px 12px}.category-card{padding:12px 14px}}.about-card{background:var(--color-surface);padding:var(--space-xl);border:1px solid var(--color-border);border-radius:var(--radius)}@media(max-width:768px){.about-card{padding:1.25rem}}.sidebar{display:flex;flex-direction:column;gap:var(--space-lg);position:sticky;top:72px;max-height:calc(100vh - 88px);overflow-y:auto;scrollbar-width:none}.sidebar::-webkit-scrollbar{display:none}@media(max-width:1024px){.sidebar{position:static;max-height:none;overflow-y:visible}}.sidebar-module{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.sidebar-module__header{font-family:var(--font-heading);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-secondary);padding:.625rem var(--space-md);border-bottom:1px solid var(--color-border)}.sidebar-module__body{padding:var(--space-md)}.search-input{width:100%;padding:7px 10px;font-family:var(--font-body);font-size:13px;color:var(--color-text);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);outline:none;transition:border-color .12s}.search-input:focus{border-color:var(--color-text)}.search-input::placeholder{color:var(--color-text-secondary)}.search-results{margin-top:var(--space-sm);display:flex;flex-direction:column}.search-result-item{border-top:1px solid var(--color-border)}.search-result-item:first-child{border-top:none}.search-result-item a{display:block;font-size:13px;color:var(--color-text);padding:6px 0;line-height:1.4;transition:color .12s}.search-result-item a:hover{color:var(--color-accent)}.search-no-results{font-size:12px;color:var(--color-text-secondary);padding-top:var(--space-sm);font-style:italic}.sidebar-toc__body{padding:8px 0!important;max-height:calc(100vh - 220px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}.sidebar-toc__body::-webkit-scrollbar{width:4px}.sidebar-toc__body::-webkit-scrollbar-track{background:transparent}.sidebar-toc__body::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.toc-item{list-style:none;margin:0;padding:0;position:relative}.toc-link{display:block;font-size:13px;color:var(--color-text-secondary);line-height:1.45;padding:6px 14px 6px 16px;border-left:2.5px solid transparent;text-decoration:none;transition:all .15s ease;word-break:break-word}.toc-item--h3 .toc-link{padding-left:28px;font-size:12px;color:#666;line-height:1.4}.toc-link:hover{color:var(--color-text);background:#00000006}.toc-item.active>.toc-link{color:var(--color-accent);font-weight:600;border-left-color:var(--color-accent);background:#e22d300d}.recent-posts-list{display:flex;flex-direction:column}.recent-post-item{padding:6px 0;border-bottom:1px solid var(--color-border)}.recent-post-item:last-child{border-bottom:none;padding-bottom:0}.recent-post-item a{display:block;font-size:13px;font-weight:500;color:var(--color-text);line-height:1.4;margin-bottom:2px;transition:color .12s}.recent-post-item a:hover{color:var(--color-accent)}.recent-post-date{font-family:var(--font-mono);font-size:11px;color:var(--color-text-secondary)}.categories-list{display:flex;flex-direction:column}.category-item{display:flex;align-items:center;justify-content:space-between;padding:5px 0;border-bottom:1px solid var(--color-border)}.category-item:last-child{border-bottom:none}.category-link{font-size:13px;color:var(--color-text);transition:color .12s}.category-link:hover{color:var(--color-accent)}.category-count{font-family:var(--font-mono);font-size:11px;color:var(--color-text-secondary)}.error-page{text-align:center;padding:var(--space-2xl) var(--space-xl);max-width:40ch;margin:0 auto}.error-page__code{font-family:var(--font-mono);font-size:5rem;font-weight:400;color:var(--color-border);line-height:1}.error-page__title{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;margin:var(--space-md) 0 var(--space-sm)}.error-page__sub{font-size:15px;color:var(--color-text-secondary);margin-bottom:var(--space-xl);line-height:1.65}.btn{display:inline-block;padding:.5rem 1.25rem;background:var(--color-text);color:#fff;font-family:var(--font-body);font-size:14px;font-weight:500;border-radius:var(--radius);transition:background .12s}.btn:hover{background:var(--color-accent)}.about-content{max-width:var(--content-max)}.about-content h1{font-family:var(--font-heading);font-size:1.75rem;font-weight:700;letter-spacing:-.015em;margin-bottom:var(--space-xl);border-bottom:1px solid var(--color-border);padding-bottom:var(--space-md)}.about-content p{margin-bottom:var(--space-lg);color:var(--color-text);line-height:var(--line-height)}.index-page-title{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;letter-spacing:-.015em;margin-bottom:var(--space-xl)}.index-page-title span{color:var(--color-accent)}.tag-cloud{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-bottom:var(--space-2xl)}.category-card{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md) var(--space-lg);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);transition:all .25s cubic-bezier(.16,1,.3,1)}.category-card:hover{transform:translateY(-2px);border-color:var(--color-border-hover);box-shadow:var(--color-shadow-hover)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}