:root{--paper: #fbfbfa;--paper-muted: #f3f3f0;--ink: #181818;--ink-soft: #5f5f5a;--ink-faint: #8a8a83;--rule: #d5d5d0;--rule-strong: #292929;--vermilion: #a33629;--vermilion-dark: #80281e;--focus: #005fcc;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--serif: Georgia, "Noto Serif SC", "Songti SC", SimSun, serif}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;text-size-adjust:100%}body{margin:0;min-width:320px;background:var(--paper)}img,svg,video{max-width:100%}img,video{height:auto}a{color:inherit;text-decoration-color:var(--vermilion);text-decoration-thickness:1px;text-underline-offset:.18em}a:hover{color:var(--vermilion-dark)}a:focus-visible,button:focus-visible{outline:2px solid var(--focus);outline-offset:3px}button,input,textarea{font:inherit}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.site-shell{width:min(100%,1540px);margin:0 auto;padding:0 20px}.site-header{border-top:5px solid var(--vermilion);border-bottom:3px solid var(--rule-strong)}.masthead{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:20px 0 13px}.brand{min-width:0;color:var(--ink);text-decoration:none}.brand__title{display:block;font-family:var(--serif);font-size:1.6rem;font-weight:700;letter-spacing:0;line-height:1.25}.brand__subtitle{display:block;margin-top:4px;color:var(--ink-soft);font-size:.75rem;line-height:1.4}.menu-toggle{display:inline-flex;align-items:center;min-height:38px;padding:0 10px;border:1px solid var(--rule-strong);border-radius:0;background:transparent;color:var(--ink);cursor:pointer;font-size:.8rem}.site-nav{display:none;flex-wrap:wrap;gap:4px 18px;padding:0 0 12px;color:var(--ink-soft);font-size:.88rem}.site-nav[data-open=true]{display:flex}.site-nav a{text-decoration:none}.site-nav a:hover{color:var(--vermilion)}.site-grid{display:block}.site-main{min-width:0;padding:32px 0 48px}.ad-rail{display:none}.mobile-ad-slot{display:block;margin:0 0 34px}.mobile-ad-slot>div{min-height:0}.site-footer{border-top:1px solid var(--rule);padding:16px 0 30px;color:var(--ink-faint);font-size:.76rem}.site-footer p{margin:0}.section-heading,.post-header{margin:0 0 26px}.section-heading--compact{margin-bottom:10px}.eyebrow{margin:0 0 7px;color:var(--vermilion);font-size:.72rem;font-weight:700;letter-spacing:0;line-height:1.4}.section-heading h1,.section-heading h2,.post-header h1{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:0;line-height:1.22}.section-heading h1,.post-header h1{font-size:clamp(2rem,5vw,3rem)}.section-heading h2{font-size:1.35rem}.featured-post{padding:0 0 28px;border-bottom:1px solid var(--rule-strong)}.featured-post__time{display:block;color:var(--vermilion);font-size:.78rem;line-height:1.4}.featured-post h2{margin:7px 0 12px;font-family:var(--serif);font-size:clamp(1.8rem,4vw,2.55rem);font-weight:700;letter-spacing:0;line-height:1.18}.featured-post h2 a{text-decoration:none}.featured-post p{max-width:46rem;margin:0 0 14px;color:var(--ink-soft)}.text-link{color:var(--vermilion);font-size:.9rem;font-weight:700}.recent-posts{margin-top:30px}.post-list{margin:0;padding:0;list-style:none}.post-list__item{display:grid;grid-template-columns:48px minmax(0,1fr);gap:12px;padding:14px 0;border-bottom:1px solid var(--rule)}.post-list__time{padding-top:3px;color:var(--vermilion);font-size:.78rem;line-height:1.5}.post-list__body{min-width:0}.post-list__title{font-family:var(--serif);font-size:1.12rem;font-weight:700;line-height:1.4;text-decoration:none}.post-list__excerpt{display:-webkit-box;margin:5px 0 0;overflow:hidden;color:var(--ink-soft);font-size:.86rem;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2}.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:28px;font-size:.86rem}.pager__link{color:var(--vermilion);font-weight:700}.pager__status{color:var(--ink-faint)}.post-header{padding-bottom:20px;border-bottom:1px solid var(--rule)}.post-header__meta{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:14px;color:var(--ink-soft);font-size:.84rem}.post-header__meta span:after{color:var(--rule-strong);content:"·";margin-left:10px}.article-content{overflow-wrap:anywhere;word-break:normal}.article-content>:first-child{margin-top:0}.article-content>:last-child{margin-bottom:0}.article-content p,.article-content ul,.article-content ol,.article-content blockquote,.article-content pre,.article-content table{margin:0 0 1.25rem}.article-content p,.article-content li{font-family:var(--serif);font-size:1.06rem;line-height:1.9}.article-content h1,.article-content h2,.article-content h3,.article-content h4{margin:2.1rem 0 .9rem;font-family:var(--serif);font-weight:700;letter-spacing:0;line-height:1.35}.article-content h1{font-size:1.7rem}.article-content h2{font-size:1.42rem}.article-content h3{font-size:1.2rem}.article-content ul,.article-content ol{padding-left:1.45rem}.article-content blockquote{margin-right:0;margin-left:0;padding:.2rem 0 .2rem 1rem;border-left:3px solid var(--vermilion);color:var(--ink-soft)}.article-content blockquote p{margin-bottom:0}.article-content pre{overflow-x:auto;padding:14px;background:var(--paper-muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.85rem;line-height:1.65}.article-content code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.article-content :is(img,video,iframe){display:block;max-width:100%!important;height:auto!important;margin:1.35rem auto}.article-content iframe{width:100%;min-height:280px}.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:.92rem}.article-content th,.article-content td{min-width:8rem;padding:8px 10px;border:1px solid var(--rule);text-align:left;vertical-align:top}.article-content th{background:var(--paper-muted);font-weight:700}.wechat-comment-archive,.comments{margin-top:40px;padding-top:24px;border-top:3px solid var(--rule-strong);font-family:var(--sans)}.wechat-comment-archive>h2,.comments>h2{margin:0 0 7px;font-family:var(--serif);font-size:1.38rem;line-height:1.35}.wechat-comment-archive>p,.comments-note{margin:0 0 18px;color:var(--ink-soft);font-size:.8rem;line-height:1.65}.wechat-comment-archive .comment,.comments .comment{display:grid;grid-template-columns:36px minmax(0,1fr);gap:10px;padding:16px 0;border-bottom:1px solid var(--rule)}.wechat-comment-archive .avatar,.comments .avatar{display:grid;width:36px;height:36px;place-items:center;border:1px solid var(--rule);border-radius:50%;background:var(--paper-muted);color:var(--ink-soft);font-size:.86rem}.wechat-comment-archive .comment-meta,.comments .comment-meta{display:flex;flex-wrap:wrap;gap:4px 8px;color:var(--ink-faint);font-size:.75rem}.wechat-comment-archive .comment-meta strong,.comments .comment-meta strong{color:var(--ink);font-size:.86rem}.wechat-comment-archive .comment-body p,.comments .comment-body p{margin:5px 0 7px;font-family:var(--sans);font-size:.92rem;line-height:1.65;white-space:pre-wrap}.wechat-comment-archive .likes,.comments .likes{color:var(--ink-faint);font-size:.76rem}.post-footer{margin-top:34px;padding-top:16px;border-top:1px solid var(--rule);color:var(--ink-soft);font-size:.82rem}.post-footer p{margin:0 0 9px}.archive-year+.archive-year{margin-top:36px}.archive-year>h2{margin:0;padding-bottom:8px;border-bottom:2px solid var(--rule-strong);font-family:var(--serif);font-size:1.65rem}.archive-month{margin-top:22px}.archive-month>h3{margin:0 0 5px;color:var(--ink-soft);font-family:var(--sans);font-size:.85rem}.directory-list,.tag-list{display:grid;margin:0;padding:0;list-style:none;border-top:1px solid var(--rule)}.directory-list li,.tag-list li{border-bottom:1px solid var(--rule)}.directory-list a,.tag-list a{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:13px 0;text-decoration:none}.directory-list a>span:first-child,.tag-list a>span:first-child{font-family:var(--serif);font-size:1.08rem;font-weight:700}.directory-list__count,.tag-list a>span:last-child{color:var(--vermilion);font-size:.78rem}.empty-state{padding:32px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}.empty-state h1,.empty-state h2{margin:0 0 8px;font-family:var(--serif);font-size:1.5rem;line-height:1.35}.empty-state p{margin:0;color:var(--ink-soft)}.error-page{max-width:36rem}@media(min-width:640px){.site-shell{padding:0 32px}.masthead{padding-top:26px}.brand__title{font-size:1.95rem}.site-nav{display:flex}.menu-toggle{display:none}.site-main{padding-top:42px}}@media(min-width:1024px){.site-shell{padding:0 42px}.site-grid{display:grid;grid-template-columns:minmax(80px,1fr) minmax(0,800px) minmax(80px,1fr);gap:20px}.site-main{grid-column:2;padding-bottom:60px}.ad-rail{display:block;min-height:100%}.ad-rail--left{grid-column:1}.ad-rail--right{grid-column:3}.ad-rail__content{position:sticky;top:28px;min-height:0}.mobile-ad-slot{display:none!important}.post-list__item:hover{background:var(--paper-muted)}}@media(max-width:639px){.site-shell{padding:0 16px}.masthead{padding-top:16px}.brand__title{font-size:1.4rem}.brand__subtitle{max-width:16rem}.site-main{padding-top:26px}.post-list__item{grid-template-columns:43px minmax(0,1fr)}.article-content p,.article-content li{font-size:1rem}.article-content iframe{min-height:220px}}