.bb{min-width:0;color:var(--ink);--c:var(--fire)}.bb-intro{font-family:var(--font-display);letter-spacing:-.015em;color:var(--ink);border-left:4px solid var(--c);margin:0 0 2rem;padding-left:20px;font-size:clamp(1.18rem,1.8vw,1.42rem);font-weight:600;line-height:1.55}.bb-h2{font-family:var(--font-display);letter-spacing:-.03em;align-items:baseline;gap:14px;margin:3rem 0 1rem;scroll-margin-top:110px;font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.15;display:flex}.bb-h2:before{content:"";background:var(--c);border-radius:4px;flex:none;width:12px;height:12px;transform:translateY(-2px)rotate(45deg)}.bb-h3{font-family:var(--font-display);letter-spacing:-.015em;margin:2rem 0 .6rem;font-size:1.25rem;font-weight:700}.bb-p{color:var(--ink-2);margin:0 0 1.25rem;font-size:17px;line-height:1.85}.bb-ul,.bb-ol{gap:10px;margin:0 0 1.6rem;list-style:none;display:grid}.bb-li{color:var(--ink-2);padding-left:30px;font-size:16.5px;line-height:1.7;position:relative}.bb-li:before{content:"";border:2.5px solid var(--c);border-radius:50%;width:9px;height:9px;position:absolute;top:.7em;left:6px}.bb-ol-li{color:var(--ink-2);grid-template-columns:34px 1fr;align-items:start;gap:12px;font-size:16.5px;line-height:1.7;display:grid}.bb-ol-num{background:color-mix(in srgb, var(--c) 12%, white);width:34px;height:34px;color:var(--c);border-radius:11px;place-items:center;font-size:14px;font-weight:800;display:grid}.bb-box{border-radius:18px;margin:1.8rem 0;padding:20px 22px 20px 64px;font-size:16px;line-height:1.75;position:relative}.bb-box-ico{border-radius:10px;place-items:center;width:32px;height:32px;font-size:16px;display:grid;position:absolute;top:18px;left:18px}.bb-box-label{letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px;font-size:12.5px;font-weight:800;display:block}.bb-tip{color:#14532d;background:#ecfbf1}.bb-tip .bb-box-ico{color:#fff;background:#16a34a}.bb-warn{color:#7c2d12;background:#fff4ec}.bb-warn .bb-box-ico{background:var(--fire);color:#fff}.bb-note{background:var(--ice-soft);color:#0c3a73}.bb-note .bb-box-ico{background:var(--ice);color:#fff}.bb-quote{border-left:4px solid;border-image:linear-gradient(var(--fire), var(--ice)) 1;margin:2.2rem 0;padding:8px 0 8px 26px}.bb-quote-text{font-family:var(--font-display);letter-spacing:-.02em;font-size:1.45rem;font-weight:650;line-height:1.4}.bb-quote-author{color:var(--ink-3);margin-top:10px;font-style:normal;font-weight:700;display:block}.bb-code-wrap{margin:1.6rem 0;position:relative}.bb-code{background:var(--night);color:#e2e8f0;border-radius:16px;padding:22px;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:14px;line-height:1.65;overflow-x:auto}.bb-code-lang{letter-spacing:.12em;text-transform:uppercase;color:#e2e8f080;font-size:11px;font-weight:800;position:absolute;top:10px;right:14px}.bb-table-wrap{border:1px solid var(--line);background:var(--surface);border-radius:18px;margin:1.8rem 0;overflow-x:auto}.bb-table{border-collapse:collapse;width:100%;min-width:480px;font-size:15px}.bb-th{text-align:left;background:var(--night);color:#fff;padding:14px 16px;font-size:14px;font-weight:700}.bb-td{border-top:1px solid var(--line);color:var(--ink-2);vertical-align:top;padding:14px 16px}.bb-tr:nth-child(2n) .bb-td{background:var(--bg)}.bb-stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:1.8rem 0;display:grid}.bb-stat{background:var(--surface);border:1px solid var(--line);border-radius:18px;gap:6px;padding:22px 20px;display:grid;position:relative;overflow:hidden}.bb-stat:after{content:"";background:linear-gradient(90deg, var(--fire), var(--ice));height:4px;position:absolute;bottom:0;left:0;right:0}.bb-stat-value{font-family:var(--font-display);letter-spacing:-.04em;font-size:2rem;font-weight:800;line-height:1}.bb-stat-label{color:var(--ink-3);font-size:13.5px;font-weight:600}.bb-figure{margin:2.2rem 0}.bb-img-frame{background:var(--bg-2);box-shadow:var(--shadow);border-radius:22px;overflow:hidden}.bb-img{width:100%;height:auto;display:block}.bb-figcaption{color:var(--ink-3);text-align:center;margin-top:10px;font-size:14px}.bb-faq{margin:2rem 0}.bb-hr{background:var(--line-2);border:0;height:1px;margin:2.5rem 0}.bb-items{gap:16px;margin:0 0 2rem;display:grid}.bb-item{background:var(--surface);border:1px solid var(--line);transition:transform .5s var(--ease-out), box-shadow .5s var(--ease-out), border-color .3s;border-radius:22px;grid-template-columns:76px 1fr;gap:20px;padding:24px;display:grid}.bb-item:hover{box-shadow:var(--shadow);border-color:color-mix(in srgb, var(--c) 40%, transparent);transform:translate(6px)}.bb-item-num{font-family:var(--font-display);letter-spacing:-.05em;background:linear-gradient(160deg, var(--c), color-mix(in srgb, var(--c) 30%, white));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:2.8rem;font-weight:800;line-height:.9}.bb-item-title{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:6px;font-size:1.25rem;font-weight:750}.bb-item-desc{color:var(--ink-2);font-size:16px;line-height:1.75}.bb-steps{gap:4px;margin:0 0 2rem;display:grid;position:relative}.bb-step{grid-template-columns:56px 1fr;gap:18px;display:grid}.bb-step-left{flex-direction:column;align-items:center;display:flex}.bb-step-num{width:56px;height:56px;font-family:var(--font-display);background:var(--c);color:#fff;box-shadow:0 10px 24px -10px var(--c);border-radius:18px;flex:none;place-items:center;font-size:1.2rem;font-weight:800;display:grid}.bb-step-line{background:linear-gradient(var(--c), transparent);opacity:.35;flex:1;width:2px;min-height:24px;margin:6px 0}.bb-step-right{padding:12px 0 26px}.bb-step-title{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:6px;font-size:1.25rem;font-weight:750}.bb-step-desc{color:var(--ink-2);font-size:16px;line-height:1.75}@media (max-width:600px){.bb-p,.bb-li,.bb-ol-li{font-size:16px}.bb-item{grid-template-columns:1fr;gap:6px}.bb-box{padding:60px 18px 18px}}