:root{--cyan:#00ccff;--cyan-dark:#0088bb;--cyan-deep:#003d5c;--cyan-mid:#0077aa;--cyan-bg:#f0fbff;--cyan-border:rgba(0, 204, 255, 0.3);--fg:#0d1117;--fg-muted:#444;--fg-subtle:#888;--bg-page:#f7f8fa;--bg-card:#ffffff;--bg-warn:#fff8e1;--border:#e8e8e8;--border-warm:#ffe082;--radius-sm:8px;--radius-md:10px;--radius-lg:14px;--radius-pill:999px;--shadow-card:0 1px 4px rgba(0,0,0,.06)}.ba{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--fg-muted);background:var(--bg-page)}.ba *{box-sizing:border-box}.ba a{color:var(--cyan-mid);text-decoration:none}.ba a:hover{text-decoration:underline}.ba img{max-width:100%;height:auto;display:block;border-radius:var(--radius-md)}.ba p{margin:0 0 16px}.ba ul,.ba ol{padding-left:22px;margin:0 0 16px}.ba li{margin-bottom:7px}.ba strong{color:var(--fg);font-weight:700}.ba-hero{background:linear-gradient(160deg,var(--cyan) 0%,var(--cyan-mid) 55%,var(--cyan-deep) 100%);padding:52px 28px 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tr:nth-child(even){background:var(--bg-card)}.ba-table tbody tr:hover{background:var(--cyan-bg)}.ba-table td{padding:10px 14px;border-bottom:1px solid #f0f0f0;vertical-align:middle;color:var(--fg-muted)}.ba-table td:first-child{font-weight:600;color:var(--fg)}.ba-table tr.ba-hl td{color:var(--cyan-mid);font-weight:700;background:var(--cyan-bg)}.ba-table .ba-badge{display:inline-block;background:var(--cyan);color:#003d4d;font-size:10px;font-weight:800;padding:2px 7px;border-radius:var(--radius-pill);margin-left:6px;text-transform:uppercase;letter-spacing:.04em;vertical-align:middle}.ba-bike-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 20px 16px;margin:14px 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.2s}.ba-btn:hover{opacity:.85;text-decoration:none;color:#fff}.ba-btn.secondary{background:var(--bg-card);color:var(--cyan-mid);border:1.5px solid var(--cyan)}.ba-btn.secondary:hover{background:var(--cyan-bg);color:var(--cyan-mid)}.ba-btn.ghost{background:#fff0;color:rgb(255 255 255 / .85);border:1.5px solid rgb(255 255 255 / .3)}.ba-btn.ghost:hover{background:rgb(255 255 255 / .08);color:#fff}.ba-faq-item{border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;overflow:hidden;background:var(--bg-card);box-shadow:var(--shadow-card)}.ba-faq-item summary{padding:15px 18px;cursor:pointer;font-size:14px;font-weight:600;color:var(--fg);list-style:none;display:flex;justify-content:space-between;align-items:center;transition:background .15s}.ba-faq-item summary::-webkit-details-marker{display:none}.ba-faq-item summary::after{content:'+';font-size:20px;font-weight:300;color:var(--cyan);flex-shrink:0;margin-left:12px;line-height:1}.ba-faq-item[open] 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