:root{--bg:#f8fafc;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--accent:#0284c7;--accent-soft:#e0f2fe;--tracking:#d97706;--updated:#0284c7;--closed:#64748b;--radius:12px;--shadow:0 1px 3px #0f172a14}*{box-sizing:border-box}body{color:var(--text);background:var(--bg);margin:0;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.site-header{z-index:10;backdrop-filter:blur(8px);border-bottom:1px solid var(--border);background:#ffffffe6;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.5rem;display:flex;position:sticky;top:0}.site-title{color:var(--text);font-size:1.15rem;font-weight:700}.site-nav{flex-wrap:wrap;gap:.4rem;display:flex}.site-nav a{color:var(--muted);border-radius:999px;padding:.3rem .75rem}.site-nav a:hover{color:var(--accent);background:var(--accent-soft);text-decoration:none}.site-nav a.active{color:var(--accent);background:var(--accent-soft);font-weight:600}.site-main{max-width:760px;margin:0 auto;padding:2rem 1.5rem 4rem}.site-footer{text-align:center;color:var(--muted);border-top:1px solid var(--border);padding:1.5rem;font-size:.9rem}.hero h1{margin:0 0 .5rem;font-size:2rem}.hero p{color:var(--muted);margin:0 0 1.5rem}.tag-cloud{flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;display:flex}.tag-badge{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:.15rem .65rem;font-size:.85rem;display:inline-block}.tag-badge:hover{background:var(--accent);color:#fff;text-decoration:none}.post-list{flex-direction:column;gap:1rem;display:flex}.post-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.2rem 1.4rem}.post-card-cover{margin-bottom:.9rem;display:block}.post-card-cover img{object-fit:cover;border-radius:var(--radius);width:100%;height:170px;display:block}.post-card-title{margin:0 0 .35rem;font-size:1.2rem}.post-card-title a{color:var(--text)}.post-card-title a:hover{color:var(--accent)}.post-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.5rem;margin:0 0 .5rem;font-size:.9rem;display:flex}.post-excerpt{color:var(--muted);margin:0}.post h1{margin:0 0 .5rem;font-size:1.8rem;line-height:1.35}.post-cover{object-fit:cover;border-radius:var(--radius);width:100%;max-height:380px;margin-top:1.1rem;display:block}.post-content{margin-top:1.5rem}.post-content h2{margin-top:2rem;font-size:1.35rem}.post-content h3{margin-top:1.6rem}.post-content a{text-underline-offset:2px;text-decoration:underline}.post-content blockquote{border-left:3px solid var(--accent);background:var(--card);color:var(--muted);margin:1rem 0;padding:.1rem 1rem}.post-content img{border-radius:var(--radius);max-width:100%}.post-source{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);color:var(--muted);word-break:break-all;margin-top:2rem;padding:.8rem 1rem;font-size:.9rem}.event-link{color:var(--tracking);font-weight:600}.status{color:#fff;border-radius:999px;padding:.1rem .6rem;font-size:.8rem;font-weight:600;display:inline-block}.status-tracking{background:var(--tracking)}.status-updated{background:var(--updated)}.status-closed{background:var(--closed)}.related-box{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-top:2.5rem;padding:1rem 1.4rem}.related-box h2{margin:0 0 .6rem;font-size:1.1rem}.related-box ul{color:var(--muted);margin:0;padding-left:1.2rem}.tag-list,.event-list{flex-direction:column;gap:.75rem;margin:0;padding:0;list-style:none;display:flex}.tag-list li,.event-list li{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:.8rem 1.2rem}.count{color:var(--muted);font-size:.9rem}.timeline{border-left:2px solid var(--border);margin:1.5rem 0 0;padding:0;list-style:none}.timeline-item{padding:0 0 1.25rem 1.4rem;position:relative}.timeline-item:before{content:"";background:var(--accent);border:2px solid var(--bg);border-radius:50%;width:12px;height:12px;position:absolute;top:.45rem;left:-7px}.timeline-item time{color:var(--muted);font-size:.85rem;display:block}.timeline-item a{color:var(--text);font-weight:600}.timeline-item a:hover{color:var(--accent)}@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--card:#1e293b;--text:#e2e8f0;--muted:#94a3b8;--border:#334155;--accent:#38bdf8;--accent-soft:#0c4a6e;--shadow:0 1px 3px #0006}.site-header{background:#0f172ae6}}@media (width<=560px){.site-header{flex-direction:column;align-items:flex-start;gap:.5rem}.post h1{font-size:1.45rem}}