*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:#f5f6f7;color:#333;line-height:1.75;font-size:15px}
a{color:#136ec2;text-decoration:none}
a:hover{color:#0d4f91;text-decoration:underline}
.bk-header{background:#fff;border-bottom:2px solid #38b03f;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.bk-header-inner{max-width:1100px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.bk-logo{display:flex;align-items:center;gap:8px;font-size:1.15rem;font-weight:700;color:#333;white-space:nowrap}
.bk-logo:hover{text-decoration:none;color:#38b03f}
.bk-logo-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:#38b03f;color:#fff;border-radius:4px;font-size:16px;font-weight:700}
.bk-search{flex:1;display:flex;max-width:480px;border:2px solid #38b03f;border-radius:4px;overflow:hidden}
.bk-search input{flex:1;border:none;padding:8px 12px;font-size:14px;outline:none}
.bk-search-btn{border:none;background:#38b03f;color:#fff;padding:8px 18px;cursor:pointer;font-size:14px;white-space:nowrap}
.bk-search-btn:hover{background:#2d9633}
.bk-page{max-width:1100px;margin:0 auto;padding:16px 20px 40px}
.bk-crumb{font-size:13px;color:#999;margin-bottom:12px}
.bk-crumb a{color:#136ec2}
.bk-crumb span{margin:0 6px;color:#ccc}
.bk-article{display:grid;grid-template-columns:1fr 280px;gap:20px;align-items:start}
.bk-article-main{background:#fff;border:1px solid #e5e5e5;border-radius:4px;padding:24px 28px;min-width:0}
.bk-title{font-size:28px;font-weight:700;color:#000;border-bottom:1px solid #eee;padding-bottom:12px;margin-bottom:16px;line-height:1.3}
.bk-summary{background:#f0f9f0;border:1px solid #c8e6c9;border-radius:4px;padding:14px 18px;margin-bottom:20px;display:flex;gap:12px}
.bk-summary-label{flex-shrink:0;background:#38b03f;color:#fff;font-size:12px;font-weight:700;padding:2px 8px;border-radius:2px;height:fit-content;line-height:1.6}
.bk-summary p{color:#333;font-size:15px;line-height:1.8}
.bk-toc{background:#fafafa;border:1px solid #e8e8e8;border-radius:4px;padding:14px 18px;margin-bottom:24px;max-width:360px}
.bk-toc-title{font-size:14px;font-weight:700;color:#333;margin-bottom:8px}
.bk-toc-list{list-style:decimal;padding-left:20px;font-size:14px}
.bk-toc-list li{margin:4px 0}
.bk-toc-list a{color:#136ec2}
.bk-section{margin-bottom:28px}
.bk-h2{font-size:18px;font-weight:700;color:#000;margin-bottom:12px;display:flex;align-items:center;gap:8px;padding-bottom:8px;border-bottom:2px solid #38b03f}
.bk-h2-idx{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;background:#38b03f;color:#fff;font-size:13px;border-radius:2px;padding:0 6px}
.bk-content{color:#333;font-size:15px;line-height:1.85}
.bk-content p{text-indent:2em;margin-bottom:.6em}
.bk-hint{font-size:13px;color:#999;text-indent:0!important;margin-bottom:12px}
.bk-meta-line{font-size:12px;color:#999;margin-top:20px;padding-top:12px;border-top:1px dashed #e5e5e5}
.bk-tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.bk-tag-cloud a{display:inline-block;padding:4px 12px;background:#f0f7ff;border:1px solid #b3d4fc;border-radius:2px;font-size:14px;color:#136ec2}
.bk-tag-cloud a:hover{background:#e3f0ff;text-decoration:none}
.bk-word-list{list-style:none}
.bk-word-list li{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #f0f0f0;font-size:15px}
.bk-word-list li a{color:#136ec2;font-weight:500}
.bk-word-list li span{font-size:13px;color:#999}
.bk-aside{display:flex;flex-direction:column;gap:12px}
.bk-infobox{background:#fff;border:1px solid #d4e8f7;border-radius:4px;overflow:hidden}
.bk-infobox-main{border-color:#b3d4fc}
.bk-infobox-title{background:linear-gradient(180deg,#f0f7ff,#e8f4fc);padding:10px 14px;font-size:15px;font-weight:700;color:#136ec2;text-align:center;border-bottom:1px solid #d4e8f7}
.bk-infobox-body{padding:12px 14px;font-size:13px;color:#555;line-height:1.7}
.bk-infobox-body p{font-size:13px}
.bk-info-table{width:100%;border-collapse:collapse;font-size:13px}
.bk-info-table th,.bk-info-table td{padding:7px 8px;border-bottom:1px solid #f0f0f0;text-align:left;vertical-align:top}
.bk-info-table th{width:72px;color:#999;font-weight:400;white-space:nowrap}
.bk-info-table td{color:#333}
.bk-info-table tr:last-child th,.bk-info-table tr:last-child td{border-bottom:none}
.bk-char-thumb{font-size:3rem;text-align:center;padding:12px 0;color:#38b03f;font-weight:700;border-bottom:1px solid #f0f0f0;margin-bottom:8px}
.bk-infobox-list{list-style:none}
.bk-infobox-list li{padding:5px 0;border-bottom:1px dashed #f0f0f0;font-size:13px}
.bk-infobox-list li:last-child{border-bottom:none}
.bk-section-links{margin-top:8px}
.bk-link-bar{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:14px;padding-top:4px}
.bk-footer{background:#fff;border-top:1px solid #e5e5e5;margin-top:20px}
.bk-footer-inner{max-width:1100px;margin:0 auto;padding:16px 20px;text-align:center;font-size:12px;color:#999}
.bk-footer a{color:#999}
@media(max-width:860px){
.bk-article{grid-template-columns:1fr}
.bk-aside{order:-1}
.bk-title{font-size:22px}
}