:root{--yq-bg:#ffffff;--yq-surface:#f8f7f5;--yq-ink:#1c1b1a;--yq-muted:#63605b;--yq-line:#e8e5e0;--yq-accent:#7a3e9d;--yq-radius:2px;--yq-max:1040px;--yq-sans:Inter,system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;--yq-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;--yq-serif:'Hoefler Text',Georgia,Cambria,'Times New Roman',serif}
*,*::before,*::after{box-sizing:border-box}
body,h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0}
body{font-family:var(--yq-sans);background:var(--yq-bg);color:var(--yq-ink);line-height:1.56;-webkit-font-smoothing:antialiased;font-size:14.6px}
a{color:var(--yq-accent);text-decoration:none}
a:hover{text-decoration:underline}
ul,ol{list-style:none}
.bb-band{max-width:var(--yq-max);margin:0 auto;padding:0 1.32rem}
.bb-foot{display:grid;gap:0.85rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.bb-deck svg{width:20px;height:20px;flex:none}
.bb-head{font-family:var(--yq-mono);font-size:.85em}
.bb-side{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:0.66rem 0;border-bottom:1px solid var(--yq-line)}
.bb-slab{display:grid;gap:1.88rem;grid-template-columns:200px minmax(0,1fr);align-items:start}
.bb-tile{padding:3.52rem 0 3.2rem;border-bottom:1px solid var(--yq-line)}
.bb-pane{width:100%;border-collapse:collapse;font-size:.88rem}.bb-pane th{text-align:left;font-weight:600;color:var(--yq-muted);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;padding:.55rem .8rem;border-bottom:1px solid var(--yq-line)}.bb-pane td{padding:.6rem .8rem;border-bottom:1px solid var(--yq-line);vertical-align:top}
.bb-deck{font-family:var(--yq-sans);font-weight:600;font-size:0.99rem;color:var(--yq-ink);display:inline-flex;align-items:center;gap:.5rem;letter-spacing:-.01em}
.bb-node{display:flex;gap:1.5rem;flex-wrap:wrap;color:var(--yq-muted);font-size:.83rem;margin-top:1.22rem}
.bb-stack h3{font-size:0.89rem;font-weight:600;margin-bottom:.35rem}
.bb-grid{border-bottom:1px solid var(--yq-line);padding:0.85rem 0;background:var(--yq-bg)}
.bb-shell li{padding:.3rem 0;font-size:.87rem}.bb-shell a{color:var(--yq-muted)}
.bb-stack{border:1px solid var(--yq-line);border-radius:var(--yq-radius);padding:0.99rem;background:var(--yq-surface)}
.bb-wrap{font-family:var(--yq-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--yq-muted);margin-bottom:0.75rem}
.bb-list{display:flex;align-items:center;justify-content:space-between;gap:1.32rem;flex-wrap:wrap}
.bb-main{padding:3.2rem 0}
.bb-panel{color:var(--yq-muted);max-width:62ch;margin-top:0.66rem;font-size:0.94rem}
@media(max-width:760px){.bb-slab{grid-template-columns:1fr}.bb-col ul{gap:.9rem}}
.bb-inner li{padding:0.56rem 0;border-bottom:1px solid var(--yq-line);display:flex;gap:.9rem;align-items:baseline;flex-wrap:wrap}
.bb-stack p{color:var(--yq-muted);font-size:.9rem;line-height:1.55}
.bb-box{border-top:1px solid var(--yq-line);padding:1.41rem 0;color:var(--yq-muted);font-size:.82rem}
.bb-col ul{display:flex;gap:1.22rem;flex-wrap:wrap}
.bb-row{font-family:var(--yq-mono);font-size:.72rem;font-weight:600;letter-spacing:.06em;padding:.15rem .4rem;border:1px solid var(--yq-line);border-radius:var(--yq-radius);color:var(--yq-accent)}
.bb-col a{color:var(--yq-muted);font-size:.88rem}.bb-col a:hover{color:var(--yq-ink);text-decoration:none}
.bb-node b{display:block;color:var(--yq-ink);font-weight:500;margin-top:.15rem;font-family:var(--yq-mono)}
.bb-cell{font-family:var(--yq-sans);font-weight:600;font-size:clamp(1.7rem,3.6vw,2.16rem);line-height:1.15;letter-spacing:-.02em;max-width:22ch}
.bb-unit{display:inline-block;width:8px;height:8px;border-radius:50%;background:#2ea043;margin-right:.5rem;vertical-align:middle}
.bb-bar{font-family:var(--yq-sans);font-weight:600;font-size:1.11rem;letter-spacing:-.01em;margin-bottom:0.75rem}
.bb-block{font-family:var(--yq-mono);font-size:.82rem;background:var(--yq-surface);border:1px solid var(--yq-line);border-radius:var(--yq-radius);padding:0.8rem 0.94rem;overflow-x:auto;line-height:1.6;color:var(--yq-ink)}
.bb-item p{max-width:66ch;margin-bottom:.9rem;color:var(--yq-muted);line-height:1.65}