/* 由页面样式外提生成：内容为站点模板/页面局部样式，文件名取内容哈希，可长期强缓存 */
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#1f2329;line-height:1.8;background:#f5f6f8}
a{color:#2f5cff;text-decoration:none}a:hover{text-decoration:underline}
.bk-wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.bk-top{background:#fff;border-bottom:1px solid #e5e6eb}
.bk-top .bk-wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.bk-brand{font-size:18px;font-weight:700;color:#1f2329}.bk-brand span{font-weight:400;color:#86909c;font-size:14px}
.bk-nav a{margin-left:18px;color:#4e5969;font-size:14px}
.bk-main{background:#fff;margin-top:16px;margin-bottom:24px;padding:26px 32px;border-radius:8px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.bk-crumb{font-size:13px;color:#86909c;margin-bottom:10px}.bk-crumb a{color:#86909c}
.bk-h1{font-size:30px;margin:4px 0 8px}
.bk-meta{display:flex;gap:10px;align-items:center;color:#86909c;font-size:13px;border-bottom:1px solid #eee;padding-bottom:14px;margin-bottom:20px}
.bk-badge{background:#eef3ff;color:#2f5cff;border-radius:4px;padding:2px 10px;font-size:13px}
.bk-body{display:flex;gap:30px;align-items:flex-start}.bk-article{flex:1;min-width:0}
.bk-tocbox{background:#f7f8fa;border:1px solid #eee;border-radius:6px;padding:12px 18px;margin:0 0 22px}
.bk-toc-title{font-weight:700;color:#4e5969;margin-bottom:6px}.bk-toc{margin:0;padding-left:22px;font-size:14px;columns:2}
.bk-toc li{margin:3px 0}.bk-toc a{color:#4e5969}
.bk-sec{margin-bottom:28px}.bk-sec h2{font-size:20px;border-left:4px solid #2f5cff;padding-left:10px;margin:0 0 14px}
#gailan{display:flow-root}
.bk-lead{font-size:16px}.bk-sec p{margin:0 0 12px;color:#2b3039}
.bk-ul{margin:0 0 12px;padding-left:22px}.bk-ul li{margin:5px 0}
.bk-l{border-bottom:1px dashed #2f5cff}.bk-l:hover{text-decoration:none;background:#f0f4ff}
.bk-lead-fig{margin:0 0 16px;float:right;width:300px;max-width:42%;border:1px solid #eee;border-radius:8px;overflow:hidden;background:#fafbfc}
.bk-lead-fig img{width:100%;height:auto;display:block}.bk-lead-fig figcaption{font-size:12px;color:#86909c;text-align:center;padding:6px}
.bk-rel{display:flex;flex-wrap:wrap;gap:8px}.bk-chip{background:#f2f3f5;border-radius:14px;padding:5px 13px;font-size:14px;color:#4e5969}
.bk-chip:hover{background:#e8efff;color:#2f5cff;text-decoration:none}
.bk-faq{border:1px solid #eee;border-radius:8px;overflow:hidden}.bk-faq-i{padding:12px 16px;border-bottom:1px solid #f0f0f0}.bk-faq-i:last-child{border-bottom:0}
.bk-more{margin-top:8px;font-size:13.5px;color:#86909c}.bk-more a{color:#2f5cff;border-bottom:1px solid transparent}.bk-more a:hover{border-bottom-color:#2f5cff;text-decoration:none}
.bk-q{font-weight:700;color:#1f2329;margin-bottom:4px}.bk-a{color:#4e5969;font-size:15px}
.bk-ref{margin:0;padding-left:24px;font-size:14px;color:#4e5969}.bk-ref li{margin:6px 0}
.bk-warn{background:#fff8e8;border:1px solid #ffe7a3;border-radius:6px;padding:12px 16px;font-size:14.5px;color:#6b5200;margin:0 0 14px;line-height:1.75}
.bk-fact{width:100%;border-collapse:collapse;font-size:14.5px;margin:0 0 6px;border:1px solid #ececf0;border-radius:6px}
.bk-fact th{width:150px;text-align:left;color:#86909c;font-weight:400;padding:9px 12px;background:#fafbfc;border-top:1px solid #f0f0f2;vertical-align:top}
.bk-fact td{padding:9px 12px;border-top:1px solid #f0f0f2;color:#1f2330}
.bk-grid a small{display:block;color:#86909c;font-size:12px;font-weight:400;margin-top:2px}
.bk-tag{background:#fff1e8;color:#d4691e;font-size:12px;border-radius:4px;padding:1px 6px;margin-left:6px}
.bk-src{color:#a9b0bb;margin-left:6px}
.bk-infobox{width:300px;flex-shrink:0;background:#fbfbfd;border:1px solid #ececf0;border-radius:8px;padding:0 0 8px;align-self:flex-start}
.bk-infobox h2{font-size:16px;margin:0;padding:12px 14px;background:#f2f3f5;border-radius:8px 8px 0 0;color:#1f2329}
.bk-ibx-img{padding:12px 12px 0}.bk-ibx-img img{width:100%;height:auto;border-radius:6px;border:1px solid #eee;display:block}
.bk-infobox table{width:100%;border-collapse:collapse;font-size:14px}
.bk-infobox th{width:74px;text-align:left;color:#86909c;font-weight:400;padding:8px 10px 8px 14px;vertical-align:top;border-top:1px solid #f0f0f2}
.bk-infobox td{padding:8px 14px 8px 0;color:#1f2329;border-top:1px solid #f0f0f2}
.bk-foot{border-top:1px solid #e5e6eb;background:#fff;padding:18px 0;color:#86909c;font-size:13px;text-align:center}
.bk-grp{margin:26px 0}.bk-grp h2{font-size:18px;border-left:4px solid #2f5cff;padding-left:10px}.bk-grp small{color:#86909c;font-weight:400}
.bk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.bk-grid a{background:#f7f8fa;border:1px solid #eee;border-radius:6px;padding:8px 10px;font-size:14px;color:#1f2329}
.bk-grid a:hover{border-color:#2f5cff;color:#2f5cff;text-decoration:none}
@media(max-width:860px){.bk-body{flex-direction:column}.bk-infobox{width:100%;order:-1}.bk-toc{columns:1}.bk-lead-fig{float:none;width:100%;max-width:100%}}