.training-guide{max-width:1100px;margin:30px auto 60px;font-size:16px;line-height:1.85;color:var(--ink)}
.guide-outline{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:0!important}.guide-outline a{display:flex;gap:16px;padding:16px 12px;border-bottom:1px solid var(--border);color:var(--ink)}.outline-number{font:16px var(--mono);color:var(--accent);padding-top:5px}.guide-outline b{font-size:16px;font-weight:600}.guide-outline small{display:block;font-size:14px;color:var(--ink-2);line-height:1.7;margin-top:3px}.guide-table-wrap{overflow:auto}.guide-map{width:100%;border-collapse:collapse;min-width:540px;font-size:15px}.guide-map th,.guide-map td{text-align:left;vertical-align:top;border-bottom:1px solid var(--border);padding:14px}.guide-map th{background:var(--surface-2)}.guide-reference{border-top:1px solid var(--border);margin-top:14px;padding:16px 0}.guide-reference summary{cursor:pointer;font-size:18px;font-weight:600}.guide-reference summary span{font-size:14px;font-weight:400;color:var(--ink-2);margin-left:16px}.guide-reference .guide-metrics{margin-top:20px}.guide-section>p{max-width:850px}.guide-section code{overflow-wrap:anywhere}@media(max-width:720px){.guide-outline{grid-template-columns:1fr}.guide-outline a{padding-inline:0}}
.guide-heading{max-width:800px;margin-bottom:24px}.guide-heading h1{font-size:32px;line-height:1.3;letter-spacing:-.5px;margin:6px 0 16px}.guide-kicker{font-size:14px;color:var(--accent);margin:0}.guide-note{font-size:14px;color:var(--ink-2);line-height:1.8}.training-guide a{color:var(--accent);text-underline-offset:4px}.training-guide a:hover{text-decoration:underline}.training-guide a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.guide-index{display:flex;gap:10px 18px;flex-wrap:wrap;border-block:1px solid var(--border);padding:18px 0;font-size:14px}.guide-section{margin-top:40px;scroll-margin-top:80px}.guide-section h2{font-size:23px;line-height:1.5;margin:0 0 20px}.guide-section h3{font-size:18px;line-height:1.6;margin:8px 0 14px}.guide-section p{margin:12px 0}.guide-flow{list-style:none;counter-reset:phase;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:24px 0;padding:0}.guide-flow li{counter-increment:phase;padding:18px;border:1px solid var(--border);border-radius:6px;background:var(--surface)}.guide-flow li:before{content:counter(phase,decimal-leading-zero);display:block;color:var(--accent);font:500 22px var(--mono);margin-bottom:16px}.guide-flow b{display:block;font-size:16px}.guide-flow span{display:block;color:var(--ink-2);font-size:14px;margin-top:10px;line-height:1.8}
.guide-terms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.guide-term{padding:24px;border:1px solid var(--border);border-radius:6px;scroll-margin-top:80px;background:var(--surface)}.guide-term-name{font-family:var(--mono);font-size:14px;color:var(--accent);overflow-wrap:anywhere}.guide-back{display:inline-block;font-size:14px;margin-top:6px}.guide-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.guide-metric{padding:22px;border:1px solid var(--border);border-radius:6px;min-width:0}.guide-metric h3{font-size:15px;margin-top:0}.guide-metric code{font-family:var(--mono);overflow-wrap:anywhere}.guide-metric dl{margin:0}.guide-metric dt{font-size:14px;color:var(--ink-2);margin-top:12px}.guide-metric dd{margin:4px 0 0}.guide-links{display:flex;gap:24px;font-size:14px;margin-top:16px}.guide-reading{padding-left:25px}.guide-reading li{padding:6px 0 12px 6px}.guide-example{border-left:3px solid var(--accent);background:var(--surface-2);padding:12px 24px;margin:24px 0}.guide-sources{border-top:1px solid var(--border);padding-top:28px;font-size:14px}.nav .tabs{flex-shrink:0}
@media(max-width:1100px){.guide-flow{grid-template-columns:repeat(3,minmax(0,1fr))}.nav-status{display:none}}
@media(max-width:720px){.training-guide{margin-top:24px}.guide-heading h1{font-size:27px}.guide-terms,.guide-metrics,.guide-flow{grid-template-columns:1fr}.guide-flow li{padding:16px}.guide-flow li:before{float:left;margin:0 14px 0 0}.guide-flow span{clear:both;padding-top:8px}.guide-term,.guide-metric{padding:18px}.nav-inner{gap:0}.tabs a{padding:0 6px!important;font-size:13px!important}.nav-right{margin-left:auto}.guide-section h2{font-size:21px}.guide-index{gap:8px 16px}}

/* Persistent reading navigation */
.guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:36px;max-width:1440px;margin:30px auto 60px;align-items:start}
.guide-layout .training-guide{margin:0;min-width:0;max-width:none}
.guide-sidebar{position:sticky;top:calc(var(--nav-h) + 18px);max-height:calc(100dvh - var(--nav-h) - 36px);overflow:auto;overscroll-behavior:contain;border-right:1px solid var(--border);padding-right:14px}
.guide-sidebar summary{font-weight:600;font-size:15px;padding:4px 12px 14px;list-style:none;pointer-events:none}
.guide-sidebar summary::-webkit-details-marker{display:none}
.guide-sidebar .guide-outline{grid-template-columns:1fr;border:0;padding:0}
.guide-sidebar .guide-outline a{gap:10px;padding:12px 10px;border:0;border-left:2px solid transparent;border-radius:0 4px 4px 0}
.guide-sidebar .guide-outline b{font-size:14px;font-weight:500}
.guide-sidebar .guide-outline small{font-size:12px;line-height:1.65}
.guide-sidebar .outline-number{font-size:13px;line-height:1.8;padding-top:0}
.guide-sidebar a[aria-current="location"]{border-left-color:var(--accent);background:var(--surface-2);color:var(--accent)}
.guide-layout .guide-flow{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1100px){.guide-layout .guide-terms,.guide-layout .guide-metrics{grid-template-columns:1fr}}
@media(max-width:900px){.guide-layout{display:block;margin-top:0}.guide-sidebar{top:var(--nav-h);z-index:20;max-height:calc(100dvh - var(--nav-h) - 12px);border-right:0;border-bottom:1px solid var(--border);padding:0;background:var(--bg);margin-bottom:24px}.guide-sidebar summary{pointer-events:auto;cursor:pointer;padding:12px;font-size:14px}.guide-sidebar summary:after{content:'展开';float:right;font-weight:400;color:var(--accent)}.guide-sidebar details[open] summary:after{content:'收起'}.guide-sidebar .guide-outline{padding-bottom:12px}.guide-sidebar .guide-outline small{display:none}.guide-layout .guide-section,.guide-layout .guide-term{scroll-margin-top:calc(var(--nav-h) + 76px)}}
@media(max-width:720px){.guide-layout .guide-flow{grid-template-columns:1fr}}