:root{--paper:#f2f3f5;--card:#fff;--ink:#252933;--body:#333;--meta:#8a919f;--rail:#868f9d;--accent:#c1963e;--accent-strong:#a97f2b;--accent-soft:#f7f0e2;--link:#1e80ff;--sans:-apple-system,system-ui,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;--mono:'SF Mono',Menlo,Consolas,monospace}
*{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:clip}body{font-family:var(--sans);background:var(--bg);color:var(--body);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #f0f2f5;height:60px}.header-inner{display:flex;align-items:center;height:60px;gap:24px}
.logo{display:flex;align-items:center;gap:8px}.logo-mark{width:32px;height:32px;border-radius:4px;background:linear-gradient(135deg,#d4af5e,#a97f2b);color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center}.logo-text{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:1px}
.main-nav{display:flex;gap:20px;flex-wrap:wrap}.nav-link{color:var(--ink);font-size:15px;font-weight:500;transition:color .15s}.nav-link:hover{color:var(--accent-strong)}.nav-link.active{color:var(--accent-strong);font-weight:600}
.header-right{margin-left:auto}
.main-container{display:grid;grid-template-columns:180px 1fr 260px;gap:20px;padding-top:20px;padding-bottom:32px;align-items:start;min-height:calc(100vh - 120px)}
.index-nav{background:#fff;border-radius:4px;padding:12px 0;position:sticky;top:72px}
.rail-title{font-size:13px;font-weight:600;color:#c9d0d9;padding:4px 16px 12px;letter-spacing:1px}
.nav-item a{display:flex;align-items:center;gap:8px;padding:7px 16px;font-size:14px;color:#515767;transition:background .15s,color .15s}.nav-item a:hover{background:var(--accent-soft);color:var(--accent-strong)}.nav-item a.active{color:var(--accent-strong);font-weight:600}
.cat-icon{font-size:12px;opacity:.7;width:16px;text-align:center}.cat-count{margin-left:auto;font-size:11px;color:var(--meta)}
.rail-more{display:block;padding:7px 16px;margin-top:4px;font-size:13px;color:var(--link);border-top:1px solid #f0f2f5}.rail-more:hover{color:var(--accent-strong)}
.feed-tabs{display:flex;align-items:center;gap:20px;background:#fff;border-radius:4px;padding:8px 16px;margin-bottom:12px}.tab{font-size:15px;color:var(--meta);cursor:pointer;transition:color .15s}.tab.active{color:var(--accent-strong);font-weight:700}.tab-count{font-size:13px;color:var(--meta);margin-left:auto}
.entry-list{display:flex;flex-direction:column;gap:8px}
.entry{background:var(--card);border-radius:4px;padding:12px 20px;transition:transform .15s,box-shadow .15s}.entry:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(37,41,51,.06)}
.title-row{margin-bottom:4px}.jj-link.title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;overflow-wrap:anywhere}.jj-link.title:hover{color:var(--accent-strong)}
.abstract{margin-bottom:8px}.abstract a{color:var(--body);font-size:13px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.abstract a:hover{color:var(--accent-strong)}
.entry-footer{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--meta)}.footer-divider{width:1px;height:12px;background:#e4e6eb}.cat-badge a{color:var(--link)}.cat-badge a:hover{color:var(--accent-strong)}
.tag{font-size:12px;color:var(--meta);background:var(--bg);padding:1px 6px;border-radius:2px}.tag:hover{color:var(--accent-strong)}
.sidebar{display:flex;flex-direction:column;gap:12px;position:sticky;top:76px}.sidebar-block{background:#fff;border-radius:4px;padding:20px}.sidebar-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:8px}.sidebar-sub{font-size:13px;color:var(--meta);margin-bottom:12px}
.side-link{display:block;padding:8px 0;font-size:13px;color:var(--body);border-bottom:1px solid #f5f6f7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-link:hover{color:var(--accent-strong)}.side-link:last-child{border-bottom:none}
.site-footer{border-top:1px solid #e4e6eb;background:#fff;padding:24px 0 32px;text-align:center}.site-footer p{font-size:13px;color:var(--ink)}.footer-meta{font-size:11px;color:var(--meta);margin-top:4px}
.post-layout{grid-template-columns:200px minmax(0,1fr) 240px}
.post-content{background:#fff;border-radius:4px;padding:32px;min-width:0}.post-title{font-size:26px;font-weight:700;color:var(--ink);line-height:1.4;margin-bottom:12px;overflow-wrap:anywhere}
.post-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--meta);padding-bottom:16px;border-bottom:1px solid #f0f2f5;margin-bottom:24px}
.post-body{font-size:15px;line-height:1.9;color:var(--body)}.post-body h1,.post-body h2,.post-body h3,.post-body h4{color:var(--ink);font-weight:700;line-height:1.4;margin:1.4em 0 .6em;font-style:normal}.post-body h1{font-size:22px}.post-body h2{font-size:19px}.post-body h3{font-size:17px}.post-body h4{font-size:15px}.post-body p{margin:0 0 1em}
.post-body ul,.post-body ol{margin:0 0 1em;padding-left:1.6em}.post-body ul{list-style:disc}.post-body ol{list-style:decimal}.post-body li{margin-bottom:.3em}
.post-body img{border-radius:4px;display:block;margin:16px auto}.post-body a{color:var(--link)}.post-body a:hover{color:var(--accent-strong);text-decoration:underline}
.post-body code{font-family:var(--mono);font-size:.9em;background:var(--bg);padding:2px 6px;border-radius:3px;color:#c7254e}.post-body pre{background:#f6f8fa;border-radius:4px;padding:16px;overflow-x:auto;margin-bottom:1em}.post-body pre code{background:none;padding:0;color:var(--ink)}
.post-body blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);padding:12px 16px;margin:0 0 1em;border-radius:0 4px 4px 0;color:#6b5b3a}.post-body hr{border:none;border-top:1px solid #e4e6eb;margin:24px 0}
.post-body table{border-collapse:collapse;width:100%;margin:1em 0;font-size:14px}.post-body th,.post-body td{border:1px solid #e4e6eb;padding:6px 10px;text-align:left}.post-body th{background:var(--bg);font-weight:600}
.all-cats{background:#fff;border-radius:4px;padding:32px;min-height:60vh}.all-cats h2{font-size:20px;color:var(--ink);margin-bottom:24px}.all-cats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.all-cat-item{display:flex;align-items:center;gap:8px;padding:12px;border:1px solid #f0f2f5;border-radius:4px;font-size:14px;color:var(--ink);transition:border-color .15s,color .15s}.all-cat-item:hover{border-color:var(--accent);color:var(--accent-strong)}.all-cat-item .cat-count{margin-left:auto;color:var(--meta);font-size:12px}
.breadcrumb{font-size:13px;color:var(--meta);margin-bottom:16px}
@media(max-width:960px){.main-container{grid-template-columns:1fr}.index-nav,.sidebar{position:static;display:none}.post-layout{grid-template-columns:1fr}.main-nav{display:none}}
@media(max-width:640px){.logo-text{font-size:17px}.post-content{padding:16px}.entry{padding:12px 16px}.post-title{font-size:21px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}.entry:hover{transform:none}}