.nav-btn[data-route="markdown"]{font-size:13px;gap:8px;white-space:nowrap}
.markdown-guide-page{max-width:1360px;margin:0 auto;padding-bottom:50px}
.markdown-guide-page .page-head{margin-bottom:12px}
.guide-intro{color:#5c7180;font-size:14px;line-height:1.8;margin-bottom:26px}
.guide-layout{display:grid;grid-template-columns:175px minmax(0,1fr);gap:28px;align-items:start}
.guide-nav{position:sticky;top:24px;display:flex;flex-direction:column;gap:4px}
.guide-nav button{display:flex;align-items:center;gap:10px;padding:10px 8px;border:0;border-radius:5px;background:none;text-align:left;color:#415b69;font-size:13px}
.guide-nav button span{font-size:11px;color:#83a08e;width:17px;font-variant-numeric:tabular-nums}
.guide-nav button:hover,.guide-nav button:focus-visible{background:#e5efe9;color:#174b38}
.guide-content{min-width:0}
.guide-lesson{margin-bottom:30px;scroll-margin-top:24px}
.guide-lesson>h2,.guide-practice-heading h2{display:flex;gap:10px;align-items:baseline;font-size:20px;font-weight:700;color:#1b3a46;margin:0 0 10px}
.guide-lesson>h2>span{font-size:13px;font-weight:500;color:#6b8c78}
.guide-hint{font-size:14px;line-height:1.8;color:#586f7e;margin:0 0 13px}
.guide-example{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid #d5e0e5;border-radius:7px;overflow:hidden;background:#fff}
.guide-source,.guide-result{min-width:0}
.guide-source{background:#f0f4f6;border-right:1px solid #d5e0e5}
.guide-column-label{display:block;padding:10px 16px;border-bottom:1px solid #dce4e8;font-size:12px;font-weight:600;color:#607887}
.guide-source pre{margin:0;padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.85;color:#304c5d}
.guide-source code,.editor-help-grid code{font-family:Consolas,'Microsoft YaHei',monospace}
.guide-result .markdown{padding:16px;font-size:14px;line-height:1.85;color:#243b49;overflow-wrap:anywhere}
.guide-result .markdown>:first-child{margin-top:0}
.guide-result .markdown>:last-child{margin-bottom:0}
.guide-result .markdown h2{font-size:19px;margin:18px 0 10px;padding-bottom:7px}
.guide-result .markdown h3{font-size:16px;margin:15px 0 8px}
.guide-result .markdown pre{font-size:12px;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.guide-result .markdown table{font-size:12px;line-height:1.7}
.guide-result .markdown th,.guide-result .markdown td{padding:7px 9px}
.guide-extra{margin-top:12px;font-size:13px;color:#586f7e;line-height:1.9}
.guide-extra pre{margin:10px 0;padding:10px 14px;background:#edf2f5;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:5px;font-size:12px}
.guide-practice-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px}
.guide-practice-heading h2{margin:0}
.guide-source textarea{display:block;width:100%;min-height:320px;resize:vertical;border:0;border-radius:0;background:#fff;color:#243b49;padding:16px;font-family:Consolas,'Microsoft YaHei',monospace;font-size:14px;line-height:1.8}
.guide-source textarea:focus{outline:2px solid #83ad98;outline-offset:-2px;box-shadow:none}
.guide-finish{padding:24px;background:#eaf3ee;border:1px solid #d4e3da;border-radius:7px}
.guide-finish h2{font-size:19px;margin:0 0 10px}.guide-finish p{font-size:14px;line-height:1.9;color:#496558;margin-bottom:18px}
.editor-markdown-help{border:1px solid #cddfd4;background:#f1f7f3;border-radius:6px;padding:15px 18px;margin:0 0 18px}
.editor-markdown-help[hidden]{display:none}
.editor-help-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:12px;font-size:13px}
.editor-help-title a{font-size:12px;text-decoration:underline;text-underline-offset:3px}
.editor-help-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 16px}
.editor-help-grid>div{min-width:0}.editor-help-grid span{display:block;color:#607887;font-size:11px;margin-bottom:5px}
.editor-help-grid code{display:block;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.6;color:#284d3d}
.editor-markdown-help>p{font-size:12px;color:#607887;line-height:1.8;margin-top:12px}
@media(max-width:1100px){.guide-layout{grid-template-columns:1fr;gap:20px}.guide-nav{position:static;display:flex;flex-direction:row;flex-wrap:wrap;gap:3px 8px;border-bottom:1px solid #dce3e7;padding-bottom:12px}.guide-nav button{padding:6px 8px}.editor-help-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){
 .markdown-guide-page .page-head{flex-wrap:wrap;gap:12px}.markdown-guide-page .page-head h1{font-size:23px}.guide-intro{font-size:13px;margin-bottom:16px}
 .guide-layout{gap:18px}.guide-nav{gap:2px}.guide-nav button{font-size:12px;gap:5px;padding:6px}.guide-nav button span{width:auto;font-size:10px}
 .guide-example{grid-template-columns:1fr}.guide-source{border-right:0;border-bottom:1px solid #d5e0e5}.guide-lesson{margin-bottom:25px}
 .guide-lesson>h2,.guide-practice-heading h2{font-size:18px}.guide-hint{font-size:14px}.guide-source pre{font-size:13px;padding:13px}.guide-result .markdown{padding:14px}
 .guide-source textarea{min-height:270px;font-size:13px}.guide-practice-heading{align-items:center;flex-wrap:wrap}.guide-finish{padding:18px}.guide-finish p{font-size:13px}
 .editor-markdown-help{padding:13px}.editor-help-grid{gap:10px}.editor-tools{align-items:flex-start;gap:8px;flex-wrap:wrap}.editor-tools>.flex{flex-wrap:wrap}.editor-tools .btn{font-size:11px;padding:7px 8px}
}