:root{--bg: #f7f8fa;--card: #ffffff;--ink: #1f2329;--ink-2: #646a73;--ink-3: #8f959e;--line: #e8eaed;--accent: #1e80ff;--accent-soft: #e8f1ff;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .04)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}.site-header{position:sticky;top:0;z-index:20;background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner{max-width:860px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}.brand{display:flex;align-items:center;gap:8px}.brand-mark{width:32px;height:32px;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:700;border-radius:9px;font-size:17px}.brand-text{font-size:17px;font-weight:700;letter-spacing:.5px}.brand-text small{font-weight:400;color:var(--ink-3);font-size:12px;margin-left:6px}.search-box{flex:1;position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:12px;color:var(--ink-3);pointer-events:none}.search-box input{width:100%;padding:9px 14px 9px 38px;border:1px solid var(--line);border-radius:999px;background:var(--bg);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.search-box input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);background:#fff}.back-btn{color:var(--accent);font-size:14px;font-weight:500;white-space:nowrap}.header-title{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.container{max-width:860px;margin:0 auto;padding:16px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.chip{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:all .15s}.chip:hover{border-color:var(--accent);color:var(--accent)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.result-bar{font-size:13px;color:var(--ink-3);margin:12px 2px 14px}.result-bar b{color:var(--ink)}.cards{display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;cursor:pointer;transition:transform .12s,box-shadow .12s}.card:hover{transform:translateY(-2px);box-shadow:0 6px 24px #00000014}.card-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px}.badge{display:inline-block;padding:2px 10px;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600}.date{font-size:12px;color:var(--ink-3)}.card-title{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:6px}.card-summary{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}.tags{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:12px;color:var(--ink-3)}.read-more{font-size:13px;color:var(--accent);font-weight:500;white-space:nowrap}.empty{text-align:center;padding:64px 0;color:var(--ink-3)}.empty-sub{font-size:13px;margin-top:6px}.article-wrap{max-width:720px}.article{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 28px 32px}.article-title{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:10px}.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:20px}.source{font-size:12px;color:var(--ink-3)}.article-body{font-size:16px;line-height:1.85;color:#333;word-break:break-word}.article-body h1,.article-body h2,.article-body h3,.article-body h4{margin:1.4em 0 .6em;line-height:1.4;font-weight:700}.article-body h1{font-size:20px}.article-body h2{font-size:18px;padding-left:10px;border-left:4px solid var(--accent)}.article-body h3{font-size:17px}.article-body p{margin:.9em 0}.article-body img{max-width:100%;border-radius:8px;display:block;margin:1em auto}.article-body a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent-soft)}.article-body blockquote{margin:1em 0;padding:10px 16px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0;color:var(--ink-2)}.article-body code{background:#f2f3f5;padding:2px 6px;border-radius:4px;font-size:14px;font-family:SF Mono,Consolas,Menlo,monospace}.article-body pre{background:#1f2329;color:#e6e6e6;padding:14px 16px;border-radius:8px;overflow-x:auto;margin:1em 0}.article-body pre code{background:none;color:inherit;padding:0;font-size:13px}.article-body ul,.article-body ol{margin:.8em 0;padding-left:1.6em}.article-body li{margin:.4em 0}.article-body table{border-collapse:collapse;width:100%;margin:1em 0;font-size:14px}.article-body th,.article-body td{border:1px solid var(--line);padding:8px 10px;text-align:left}.article-body th{background:var(--bg);font-weight:600}.article-tags{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px}.article-origin{margin-top:12px}.article-origin a{display:inline-block;padding:8px 16px;background:var(--accent-soft);color:var(--accent);border-radius:8px;font-size:14px;font-weight:500;text-decoration:none}.repo-box{margin:14px 0 22px;padding:14px 16px;background:linear-gradient(135deg,#eef4ff,#f5f9ff);border:1px solid #d6e4ff;border-left:4px solid var(--accent);border-radius:10px}.repo-head{display:flex;align-items:center;gap:6px;margin-bottom:8px}.repo-icon{font-size:15px}.repo-label{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.5px}.repo-link{display:block;font-size:14px;font-weight:600;color:#0b57d0;word-break:break-all;text-decoration:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.repo-link:hover{text-decoration:underline}.repo-note{margin-top:6px;font-size:12px;color:var(--ink-3);line-height:1.6}.site-footer{text-align:center;color:var(--ink-3);font-size:12px;padding:24px 0 32px}@media(max-width:600px){.header-inner{padding:8px 12px}.brand-text small{display:none}.article{padding:18px 16px 24px}.article-title{font-size:19px}.article-body{font-size:15px;line-height:1.8}.card{padding:14px}.card-title{font-size:16px}}