:root{--cyan:#00C2FF;--ink:#0A0A0A}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;color:var(--text);line-height:1.7;background:#fff}
header{background:#000;border-bottom:1px solid #1d1d1d;position:sticky;top:0;z-index:10}
.hi{max-width:1100px;margin:0 auto;padding:.8rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.hi img{height:44px;width:auto;display:block}
.hi nav{display:flex;gap:1.6rem;flex-wrap:wrap}
.hi a{color:#ddd;text-decoration:none;font-size:.95rem;font-weight:500}
.hi a:hover{color:var(--cyan)}
.dd{position:relative}
.dd-menu{display:none;position:absolute;top:100%;left:-1rem;background:#0d0d0d;border:1px solid #1d5262;border-radius:12px;padding:.7rem;width:480px;grid-template-columns:1fr 1fr;z-index:1002}
.dd:hover .dd-menu{display:grid}
.dd-menu a{display:block;padding:.45rem .9rem;font-size:.88rem;border-radius:7px}
.dd-menu a:hover{background:#12222b}
.hero{background:#0a0a0a;color:#fff;padding:4rem 1.5rem 3rem;text-align:center}
.hero h1{font-size:clamp(1.9rem,4vw,2.6rem);font-weight:800;margin:0 auto 1rem}
.hero p{color:var(--dim);max-width:760px;margin:0 auto;font-size:1.1rem}
main{max-width:860px;margin:0 auto;padding:2.5rem 1.5rem}
main h2{font-size:1.45rem;font-weight:800;color:var(--ink);margin:2.4rem 0 .8rem;border-bottom:2px solid var(--cyan-ink);padding-bottom:.35rem}
.faq{margin-bottom:.9rem}
.faq h3{font-size:1.02rem;color:var(--ink);margin:0 0 .15rem}
.faq p{color:var(--text2);font-size:.96rem}
.toc{background:var(--light);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.3rem;margin-bottom:1rem}
.rel{display:inline-block;color:var(--cyan-ink);font-weight:600;text-decoration:none;margin:.2rem 1rem .2rem 0;font-size:.92rem}
.cta{background:#0a0a0a;border-radius:14px;padding:2rem;text-align:center;color:#fff;margin-top:2.5rem}
.cta p{color:var(--dim);margin-bottom:1.2rem}
.btn{display:inline-block;background:var(--red-cta);color:#fff;font-weight:700;padding:.9rem 2rem;border-radius:8px;text-decoration:none;margin:.3rem}
footer{background:#000;color:var(--dim);text-align:center;padding:2rem 1.5rem;margin-top:3rem;font-size:.85rem}
footer a{color:var(--cyan);text-decoration:none}

/* ---- V28 Option B: match the homepage — light throughout, dark chrome only. ---- */
.hero{background:var(--white);color:var(--text)}
.hero h1{color:var(--ink)}
.hero p{color:var(--text2)}
.cta{background:var(--light);border:1px solid var(--line);color:var(--text)}
.cta p{color:var(--text2)}
.cta .u3{color:var(--ink)}
.cta .u4,.cta .u5{color:var(--cyan-ink)}
.cta .u7{color:var(--cyan-ink);border:1px solid var(--cyan-ink);background:transparent}