:root{--ink: #1f2328;--ink-soft: #4a5158;--ink-faint: #8b939b;--line: #e6e4e0;--paper: #fbfaf8;--paper-blur: rgba(251, 250, 248, .86);--card: #ffffff;--accent: #3f7d58;--accent-soft: rgba(63, 125, 88, .1);--overlay: rgba(20, 22, 25, .86);--shadow-sm: 0 1px 2px rgba(31, 35, 40, .05);--shadow: 0 2px 4px rgba(31, 35, 40, .04), 0 12px 28px rgba(31, 35, 40, .07);--radius: 14px;--content: 54rem}:root[data-theme=dark]{--ink: #e7e4df;--ink-soft: #b2b7bd;--ink-faint: #7f868d;--line: #2b2f34;--paper: #16181b;--paper-blur: rgba(22, 24, 27, .86);--card: #1d2024;--accent: #74b189;--accent-soft: rgba(116, 177, 137, .14);--overlay: rgba(8, 9, 10, .9);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow: 0 2px 4px rgba(0, 0, 0, .3), 0 12px 28px rgba(0, 0, 0, .4)}@media (prefers-color-scheme: dark){:root:not([data-theme]){--ink: #e7e4df;--ink-soft: #b2b7bd;--ink-faint: #7f868d;--line: #2b2f34;--paper: #16181b;--paper-blur: rgba(22, 24, 27, .86);--card: #1d2024;--accent: #74b189;--accent-soft: rgba(116, 177, 137, .14);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow: 0 2px 4px rgba(0, 0, 0, .3), 0 12px 28px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Source Han Sans SC,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.75;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-autospace:normal;transition:background-color .25s ease,color .25s ease}::-moz-selection{background:var(--accent-soft);color:var(--ink)}::selection{background:var(--accent-soft);color:var(--ink)}body,h1,h2,h3,h4,p,li,a{overflow-wrap:break-word;word-break:break-word}a{color:inherit;text-decoration-color:#7f7f7f73;text-underline-offset:3px}a:hover{text-decoration-color:currentColor}img,video{max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:50;background:var(--paper-blur);-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}.site-header-inner{max-width:var(--content);margin:0 auto;padding:0 1.25rem;height:60px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.site-brand{font-size:1.0625rem;font-weight:700;letter-spacing:.02em;text-decoration:none;white-space:nowrap}.site-nav{display:flex;align-items:center;gap:.25rem;overflow-x:auto;scrollbar-width:none}.site-nav::-webkit-scrollbar{display:none}.site-nav a{padding:.35rem .7rem;border-radius:999px;font-size:.9375rem;color:var(--ink-soft);text-decoration:none;white-space:nowrap;transition:background .15s ease,color .15s ease}.site-nav a:hover{background:#7f7f7f17;color:var(--ink)}.site-nav a[aria-current=page]{background:#7f7f7f21;color:var(--ink);font-weight:600}:root[data-theme=dark] .site-nav a:hover,:root[data-theme=dark] .site-nav a[aria-current=page]{background:#ffffff14}.theme-toggle{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink-soft);cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease}.theme-toggle:hover{color:var(--ink);border-color:#7f7f7f73;background:var(--accent-soft)}.theme-toggle svg{width:1rem;height:1rem}.theme-toggle .icon-moon{display:none}:root[data-theme=dark] .theme-toggle .icon-sun{display:none}:root[data-theme=dark] .theme-toggle .icon-moon{display:block}.site-main{max-width:var(--content);margin:0 auto;padding:2.5rem 1.25rem 4rem}.site-main-wide{max-width:68rem}.site-footer{border-top:1px solid var(--line);margin-top:2rem;padding:1.75rem 1.25rem 2.5rem;text-align:center;font-size:.8125rem;color:var(--ink-faint)}.site-footer a{text-decoration:none}.page-title{margin:0;font-size:2.125rem;line-height:1.25;font-weight:700;letter-spacing:-.02em}.page-desc{margin:.7rem 0 0;color:var(--ink-soft);font-size:1rem;line-height:1.7}.section-label{margin:3rem 0 .25rem;font-size:.75rem;font-weight:600;letter-spacing:.14em;color:var(--ink-faint)}.muted{color:var(--ink-faint)}.home-hero{padding:.5rem 0 0}.hero-title{margin:0;font-size:clamp(1.9rem,4.6vw,2.6rem);line-height:1.22;font-weight:700;letter-spacing:-.025em}.hero-desc{margin:.8rem 0 0;max-width:34rem;color:var(--ink-soft);font-size:1rem;line-height:1.75}.hero-stats{display:flex;flex-wrap:wrap;gap:1.5rem 2.25rem;margin:1.6rem 0 0;padding:0;list-style:none}.stat-value{display:block;font-size:1.375rem;font-weight:700;line-height:1.2;letter-spacing:-.02em}.stat-label{display:block;margin-top:.15rem;font-size:.75rem;color:var(--ink-faint)}.feature{display:block;margin-top:2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden;text-decoration:none;color:inherit;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.feature:hover{transform:translateY(-2px);border-color:#7f7f7f59;box-shadow:var(--shadow)}.feature-media{aspect-ratio:21 / 9;overflow:hidden;background:#7f7f7f14;line-height:0}.feature-media img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.feature-body{padding:1.15rem 1.35rem 1.35rem}.feature-badge{display:inline-block;margin-bottom:.5rem;padding:.1rem .55rem;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.75rem;font-weight:600}.feature-title{margin:0;font-size:1.375rem;line-height:1.4;font-weight:700;letter-spacing:-.015em}.feature:hover .feature-title{color:var(--accent)}.feature-desc{margin:.5rem 0 0;color:var(--ink-soft);font-size:.9375rem;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.feature-meta{margin-top:.7rem;font-size:.8125rem;color:var(--ink-faint)}@media (max-width: 640px){.feature-media{aspect-ratio:16 / 9}.feature-title{font-size:1.1875rem}}.reveal{opacity:0;transform:translateY(10px)}.reveal.is-visible{opacity:1;transform:none;transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1)}@media (prefers-reduced-motion: reduce){.reveal,.reveal.is-visible{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}.post-list{list-style:none;margin:1.5rem 0 0;padding:0}.post-item{padding:1.6rem 0;border-top:1px solid var(--line)}.post-item:first-child{border-top:0;padding-top:.5rem}.post-item a.post-link{display:flex;align-items:flex-start;gap:1.25rem;text-decoration:none;color:inherit}.post-body{flex:1;min-width:0}.post-meta{display:flex;align-items:center;gap:.45rem;font-size:.8125rem;color:var(--ink-faint);margin-bottom:.4rem}.post-title{margin:0;font-size:1.25rem;line-height:1.5;font-weight:650;letter-spacing:-.01em}.post-item a.post-link:hover .post-title{color:var(--accent)}.post-desc{margin:.45rem 0 0;color:var(--ink-soft);font-size:.9375rem;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.post-thumb{flex-shrink:0;width:8.5rem;aspect-ratio:4 / 3;border-radius:10px;overflow:hidden;line-height:0;background:#7f7f7f14}.post-thumb img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block;transition:transform .35s ease}.post-item a.post-link:hover .post-thumb img{transform:scale(1.04)}@media (max-width: 639px){.post-thumb{display:none}}.tag-list{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:.75rem 0 0;padding:0}.tag{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .7rem;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:.8125rem;line-height:1.6;color:var(--ink-soft);text-decoration:none;transition:border-color .15s ease,color .15s ease}.tag:hover{border-color:#7f7f7f66;color:var(--ink)}.tag-count{font-size:.75rem;color:var(--ink-faint)}.tag--lg{padding:.35rem .9rem;font-size:.9375rem}.post-header{margin-bottom:2rem;padding-bottom:1.25rem;border-bottom:1px solid var(--line)}.post-title-main{margin:.55rem 0 0;font-size:2.375rem;line-height:1.28;font-weight:700;letter-spacing:-.025em}@media (max-width: 640px){.post-title-main{font-size:1.75rem}}.post-header-tags{margin-top:.9rem}.prose,.post-article .prose{max-width:100%}.prose{font-size:1.0625rem;line-height:1.9;color:var(--ink)}.prose p,.prose li{line-height:1.95}.prose p{margin:1.15em 0}.prose a{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 35%,transparent);text-underline-offset:3px;transition:text-decoration-color .15s ease}.prose a:hover{text-decoration-color:currentColor}.prose ul,.prose ol{padding-left:1.3em}.prose li::marker{color:var(--accent)}.prose li{margin:.35em 0}.prose table{display:table;width:100%;font-size:.9375rem;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.prose thead th{background:var(--accent-soft);font-weight:650;white-space:nowrap}.prose th,.prose td{padding:.55em .85em;border-bottom:1px solid var(--line)}.prose tbody tr:last-child td{border-bottom:0}.prose h2,.prose h3{scroll-margin-top:5rem}.prose h2{margin-top:2.2em;font-size:1.3rem;line-height:1.5;font-weight:700}.prose h3{margin-top:1.8em;font-size:1.12rem;font-weight:650}.prose blockquote{margin:1.6em 0;padding:.9em 1.1em;border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:var(--accent-soft);color:var(--ink-soft);font-size:.97em}.prose blockquote p{margin:.4em 0}.prose blockquote p:first-child{margin-top:0}.prose blockquote p:last-child{margin-bottom:0}.prose :where(code):not(:where(pre code)){padding:.1em .35em;border-radius:.35rem;background:#7f7f7f24;font-size:.9em}.prose pre{padding:1rem 1.1rem;border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto;font-size:.875rem;line-height:1.7}.prose img{display:block;width:auto;max-width:100%;max-height:85vh;margin:1.8rem auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);cursor:zoom-in}:root[data-theme=dark] .prose img{filter:brightness(.92)}.prose hr{margin:2.5rem 0;border:0;border-top:1px solid var(--line)}.post-nav{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line);display:grid;gap:.75rem}@media (min-width: 640px){.post-nav{grid-template-columns:1fr 1fr}}.post-nav a{display:block;padding:.9rem 1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);text-decoration:none;font-size:.9375rem;transition:border-color .15s ease}.post-nav a:hover{border-color:#7f7f7f61}.post-nav .dir{display:block;font-size:.75rem;color:var(--ink-faint);margin-bottom:.2rem}.pager{margin-top:2.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:.9375rem}.pager a,.pager span{padding:.4rem .9rem;border:1px solid var(--line);border-radius:999px;background:var(--card);text-decoration:none;color:var(--ink-soft)}.pager span{color:var(--ink-faint);background:transparent}.pager a:hover{color:var(--ink);border-color:#7f7f7f61}#infinite-sentinel{margin:2.75rem 0 1rem;min-height:1.5rem;text-align:center}.infinite-hint,.infinite-end{display:inline-flex;align-items:center;gap:.5rem;font-size:.9375rem;color:var(--ink-faint)}.infinite-end{color:var(--ink-soft);letter-spacing:.05em}.infinite-retry{color:var(--accent);text-decoration:none}.spinner{width:1rem;height:1rem;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation:none}}.to-top{display:inline-flex;align-items:center;gap:.4rem;margin-top:2.5rem;padding:.45rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:.875rem;color:var(--ink-soft);text-decoration:none}.to-top:hover{color:var(--ink);border-color:#7f7f7f61}.reading-progress{position:fixed;top:0;left:0;z-index:60;height:2px;width:0;background:var(--accent);transition:width .1s linear}.article-lightbox{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;border:0;background:var(--overlay);padding:clamp(1rem,4vw,3rem);opacity:0;pointer-events:none;transition:opacity .18s ease;cursor:zoom-out}.article-lightbox.is-open{opacity:1;pointer-events:auto}.article-lightbox img{max-width:100%;max-height:92vh;border-radius:var(--radius)}html.article-lightbox-open,html.article-lightbox-open body{overflow:hidden}.video-wrapper{position:relative;width:100%;margin:1.8rem auto;border-radius:var(--radius);overflow:hidden;background:#000}.responsive-video{display:block;width:100%;height:auto;max-height:80vh;-o-object-fit:contain;object-fit:contain}.card-grid{display:grid;gap:.9rem;margin-top:1.5rem}@media (min-width: 640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.year-card{display:block;padding:1.1rem 1.2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);text-decoration:none;transition:border-color .15s ease,transform .15s ease}.year-card:hover{border-color:#7f7f7f61;transform:translateY(-2px)}.year-card-title{font-weight:650;font-size:1rem}.year-card-desc{margin-top:.25rem;font-size:.875rem;color:var(--ink-faint)}@media (max-width: 640px){.site-main{padding:1.75rem 1.1rem 3rem}.post-title-main{font-size:1.5rem}.prose{font-size:1rem}}