:root{color-scheme:light;--bg: #f0f5fa;--surface: #ffffff;--text: #333333;--body-text: #455a64;--muted: #999999;--line: #eeeeee;--header-line: #455a64;--footer: #333333;--link: #10659c;--link-soft: #e7f2f8;font-family:Source Han Sans SC,Source Han Sans CN,思源黑体 CN,思源黑体,sans-serif}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{min-width:320px;margin:0;background:var(--bg);color:var(--body-text);font-size:16px;line-height:1.75}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover,a:focus-visible{color:var(--link)}h1,h2,h3{margin:0;color:var(--text);font-weight:700;letter-spacing:0;line-height:1.4}h1,h2{font-size:32px}h3{font-size:24px}p{margin:0}ul,ol{margin-top:0}.wrapper{width:min(1112px,calc(100% - 32px));margin-inline:auto}.narrow{width:min(760px,calc(100% - 32px))}.archive-section>.wrapper,.page-hero .wrapper{width:min(1082px,calc(100% - 32px))}.article .wrapper{width:min(1082px,calc(100% - 32px))}.skip-link{position:absolute;top:8px;left:8px;z-index:100;transform:translateY(-140%);border-radius:4px;padding:10px 14px;background:var(--footer);color:#fff;font-size:14px}.skip-link:focus{transform:translateY(0)}.screen-reader-text{position:absolute;width:1px;height:1px;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);overflow:hidden;white-space:nowrap}.site-header{border-bottom:1px solid var(--header-line);background:var(--surface)}.site-nav{display:flex;min-height:77px;align-items:center;justify-content:space-between;gap:24px;padding:0 0 0 30px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:20px;font-weight:700;line-height:1}.brand-icon{display:block;width:26px;height:26px;flex:0 0 auto;border-radius:8px}.primary-menu,.sub-menu,.footer-navigation{margin:0;padding:0;list-style:none}.mobile-menu{display:none}.primary-menu{display:flex;align-items:center;justify-content:flex-end;gap:0}.primary-menu>li{position:relative}.primary-menu a{display:flex;min-height:48px;align-items:center;gap:4px;padding:10px 24px;color:var(--text);font-size:16px;font-weight:600;line-height:1.75;white-space:nowrap}.primary-menu a:hover,.primary-menu a:focus-visible{color:var(--link)}.site-search{display:flex;min-width:190px;height:34px;align-items:stretch;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff}.site-search input{min-width:0;width:100%;border:0;padding:6px 10px;background:transparent;color:var(--text);font:inherit;font-size:13px;line-height:1.4}.site-search input:focus{outline:0}.site-search:focus-within{border-color:var(--link)}.site-search button{display:inline-flex;width:36px;align-items:center;justify-content:center;border:0;border-left:1px solid var(--line);background:#f7f7f7;color:var(--text);cursor:pointer;font:inherit;font-size:18px;line-height:1}.site-search button:hover,.site-search button:focus-visible{background:var(--footer);color:#fff}.sub-menu{position:absolute;top:100%;left:0;z-index:30;min-width:180px;border:1px solid var(--line);background:var(--surface);box-shadow:0 8px 18px #0000001a;opacity:0;visibility:hidden;transform:translateY(8px)}.primary-menu>li:hover .sub-menu,.primary-menu>li:focus-within .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}.sub-menu a{min-height:0;border-bottom:1px solid var(--line);padding:10px 14px;color:var(--body-text);font-size:14px;font-weight:400}.sub-menu li:last-child a{border-bottom:0}.archive-section{padding-block:28px 32px}.page-hero{padding-top:28px}.page-hero .wrapper{border-radius:6px 6px 0 0;border-bottom:1px solid var(--line);padding:30px 15px 24px;background:var(--surface)}.post-list{overflow:hidden;border-radius:6px;background:var(--surface)}.page-hero+.archive-section{padding-top:0}.page-hero+.archive-section .post-list{border-radius:0 0 6px 6px}.post-card{border-bottom:1px solid var(--line);background:var(--surface)}.post-card:last-child{border-bottom:0}.post-card__body{display:grid;gap:16px;min-height:226px;align-content:start;padding:28px 15px 24px}.post-card h2{font-size:28px;line-height:1.25}.post-card h2 a{color:#000}.post-card h2 a:hover,.post-card h2 a:focus-visible{color:var(--link)}.post-card__meta,.article-meta{display:flex;flex-wrap:wrap;gap:0 8px;align-items:center;color:#000;font-size:12px;line-height:1.9;text-transform:none}.post-card__meta a,.article-meta a{color:#000}.post-card__meta a:hover,.article-meta a:hover,.post-card__meta a:focus-visible,.article-meta a:focus-visible{color:var(--link)}.post-card__excerpt{max-width:80ch;color:var(--body-text);font-size:16px;line-height:1.75}.read-more{margin-top:10px}.more-link{color:#000;font-size:16px}.more-link:hover,.more-link:focus-visible{color:var(--link)}.tag-list,.tag-cloud{display:flex;flex-wrap:wrap;align-items:center}.tag-list{gap:8px}.tag-pill{color:inherit;font:inherit;text-transform:uppercase}.tag-cloud{gap:10px 16px;padding:30px 15px}.tag-cloud .tag-pill{color:var(--link);font-size:16px;text-transform:none}.page-hero.search-page .wrapper{display:grid;gap:14px}.search-panel{display:flex;width:min(620px,100%);height:42px;align-items:stretch;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff}.search-panel input{min-width:0;width:100%;border:0;padding:8px 12px;color:var(--text);font:inherit}.search-panel input:focus{outline:0}.search-panel button{min-width:74px;border:0;border-left:1px solid var(--line);background:var(--footer);color:#fff;cursor:pointer;font:inherit}.search-status{color:var(--muted);font-size:14px}.search-results{overflow:hidden;border-radius:0 0 6px 6px;background:var(--surface)}.search-results__empty{padding:30px 15px;color:var(--muted)}.pagination{display:flex;gap:8px;align-items:center;padding:24px 15px 0;color:var(--body-text);font-size:13px}.page-numbers{display:inline-flex;min-width:28px;min-height:28px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:3px;padding:2px 8px;background:var(--surface)}.page-numbers.current{background:var(--footer);color:#fff}.page-numbers.dots{border-color:transparent;background:transparent}.article{padding-block:28px 42px}.article-hero{background:transparent}.article-hero__inner{display:grid;gap:14px;border-radius:6px 6px 0 0;border-bottom:1px solid var(--line);padding:34px 26px 26px;background:var(--surface)}.article-tags{color:#000;font-size:12px}.article-image{margin-top:0;background:var(--surface)}.article-content{border-radius:0 0 6px 6px;padding:34px 26px 42px;background:var(--surface)}.prose{color:var(--body-text);font-size:18px;line-height:1.9}.prose *{max-width:100%}.prose h2,.prose h3{margin-top:36px;margin-bottom:14px;color:#263238}.prose h2{border-bottom:1px solid var(--line);padding-bottom:8px;font-size:26px}.prose h3{font-size:22px}.prose p,.prose ul,.prose ol,.prose blockquote,.prose pre{margin-bottom:20px}.prose a{color:var(--link);border-radius:3px;padding-inline:2px;background:linear-gradient(to top,var(--link-soft) 0,var(--link-soft) 44%,transparent 44%,transparent 100%);text-underline-offset:.18em}.prose a:hover,.prose a:focus-visible{color:#0a4f7d;background:var(--link-soft)}.prose p:has(>img),.prose p:has(>a>img),.prose td:has(img){color:var(--muted);font-size:14px;text-align:center}.prose p:has(>img) img,.prose p:has(>a>img) img,.prose td:has(img) img{margin-inline:auto;margin-bottom:8px}.prose blockquote{margin-inline:0;border-left:4px solid #9bb9c9;padding:12px 18px;background:#f7fbfd;color:#60717a}.prose pre{overflow-x:auto;border:1px solid #dde6eb;border-radius:6px;padding:16px;background:#f8fafb;font-size:15px;line-height:1.75}.prose code{border-radius:3px;padding:2px 5px;background:#eef4f7;color:var(--text);font-size:.95em}.prose pre code{padding:0;background:transparent}.prose table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin-bottom:22px;font-size:16px}.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;vertical-align:top}.prose th{background:#f7fbfd;color:var(--text)}.prose hr{height:1px;border:0;margin:34px 0;background:var(--line)}.site-map-content{display:grid;gap:28px}.site-map-section h2{border-bottom:1px solid var(--line);padding-bottom:8px}.site-map-columns,.site-map-list,.site-map-tree,.site-map-tree ul{margin:0;padding-left:20px}.site-map-columns{column-count:3;column-gap:32px}.site-map-columns li,.site-map-list li,.site-map-tree li{break-inside:avoid;margin-bottom:8px}.site-map-tree ul{margin-top:8px}.site-map-columns span,.site-map-tree span{margin-left:4px;color:var(--muted)}.site-map-columns--short{column-count:2}.site-footer{background:var(--footer);color:#fff;font-size:12px;line-height:1}.footer-inner{display:grid;min-height:113px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding-inline:15px}.footer-navigation{display:flex;flex-wrap:wrap;gap:12px 22px}.site-footer a{color:#fff}.site-footer a:hover,.site-footer a:focus-visible{color:#dcebf7}.site-footer p{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;text-align:right}@media(max-width:992px){.site-nav{min-height:auto;align-items:flex-start;flex-direction:column;padding-block:18px}.desktop-menu{display:none}.mobile-menu{display:block;width:100%}.desktop-search{display:none}.mobile-menu summary{width:fit-content;cursor:pointer;color:var(--text);font-size:16px;font-weight:600;line-height:1.75}.primary-menu--mobile{display:none;width:100%;align-items:flex-start;flex-direction:column;margin-top:10px}.mobile-search{display:flex;width:min(100%,320px);margin-top:14px}.mobile-menu[open] .primary-menu--mobile{display:flex}.primary-menu--mobile>li{width:100%}.primary-menu--mobile a{min-height:40px;padding-inline:0}.mobile-menu .sub-menu{position:static;display:block;width:100%;border:0;padding-left:14px;background:transparent;box-shadow:none;opacity:1;visibility:visible;transform:none}.mobile-menu .sub-menu a{padding-inline:14px}}@media(max-width:720px){.wrapper,.narrow{width:min(100% - 20px,1112px)}h1,h2,.post-card h2{font-size:25px}.archive-section{padding-block:18px 24px}.post-card__body{min-height:auto;padding-block:24px}.article-hero__inner,.article-content{padding-inline:18px}.prose{font-size:17px;line-height:1.85}.prose h2{font-size:23px}.prose h3{font-size:20px}.footer-inner{min-height:120px;grid-template-columns:1fr;align-content:center}.site-map-columns,.site-map-columns--short{column-count:1}.site-footer p{justify-content:flex-start;text-align:left}}