:root{
  --ink:#111214;--muted:#676b73;--line:#e7e8eb;--paper:#fff;--soft:#f6f7f8;
  --accent:#f0543f;--accent2:#2eb8c6;--accent-dark:#c63e2d;--radius:18px;
  --shadow:0 16px 40px rgba(17,18,20,.10);--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:#0d0e10;color:#fff;text-align:center;padding:8px 16px;font-size:.82rem;letter-spacing:.02em}
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{height:72px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:.055em;white-space:nowrap}
.brand-mark{width:18px;height:18px;border-radius:4px;background:linear-gradient(135deg,var(--accent),#ff7a52 55%,var(--accent2));box-shadow:0 0 0 5px rgba(240,84,63,.10)}
.nav{display:flex;gap:24px;align-items:center;margin-left:auto}
.nav a{text-decoration:none;font-weight:650;font-size:.95rem}
.nav a:hover{color:var(--accent)}
.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;background:var(--accent);color:#fff;text-decoration:none;font-weight:800;box-shadow:0 8px 20px rgba(240,84,63,.22);transition:.2s transform,.2s background}
.header-cta:hover,.btn:hover{transform:translateY(-1px);background:var(--accent-dark)}
.btn.secondary{background:#111214;color:#fff;box-shadow:none}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.menu-btn{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;font-weight:800}
.hero{padding:76px 0 52px;background:radial-gradient(circle at 72% 20%,rgba(46,184,198,.12),transparent 26%),linear-gradient(180deg,#fff 0%,#fafafa 100%)}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.eyebrow{font-size:.78rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
h1,h2,h3{line-height:1.08;letter-spacing:-.03em}
h1{font-size:clamp(2.5rem,6vw,5.3rem);margin:.18em 0 .25em}
h2{font-size:clamp(1.8rem,3.5vw,3.1rem);margin:0 0 18px}
h3{font-size:1.28rem}
.lead{font-size:clamp(1.05rem,1.7vw,1.28rem);color:#484c53;max-width:720px}
.hero-card{background:#fff;border:1px solid var(--line);padding:14px;border-radius:26px;box-shadow:var(--shadow);position:relative}
.hero-card img{border-radius:18px;width:100%;aspect-ratio:1/1;object-fit:cover}
.hero-badge{position:absolute;left:28px;bottom:28px;background:#111;color:#fff;padding:10px 14px;border-radius:999px;font-size:.84rem;font-weight:800}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 18px}
.micro{font-size:.82rem;color:var(--muted)}
.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:.86rem;font-weight:700}
.section{padding:70px 0}
.section.soft{background:var(--soft)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.card h3{margin-top:0}
.kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:var(--accent)}
.metric{font-size:2.15rem;font-weight:900;letter-spacing:-.05em}
.metric-label{color:var(--muted);font-size:.9rem}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:48px;align-items:start}
.article{max-width:780px}
.article h2{margin-top:54px}
.article h3{margin-top:32px}
.article p,.article li{font-size:1.03rem}
.article ul{padding-left:1.2rem}
.sidebar{position:sticky;top:104px}
.offer-box{border-radius:24px;border:1px solid #1f2228;background:#111214;color:#fff;padding:22px;overflow:hidden}
.offer-box img{border-radius:14px;margin-bottom:16px}
.offer-box .btn{width:100%;margin-top:10px}
.disclosure{border-left:4px solid var(--accent);background:#fff2ef;padding:12px 16px;border-radius:10px;margin:22px 0;font-size:.9rem}
table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:24px 0}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
th{background:#f6f7f8;font-size:.9rem}
tr:last-child td{border-bottom:0}
.callout{padding:24px;border-radius:18px;background:#111214;color:#fff;margin:28px 0}
.callout .btn{margin-top:8px}
.breadcrumbs{font-size:.84rem;color:var(--muted);margin-bottom:16px}
.breadcrumbs a{text-decoration:none}
.page-hero{padding:50px 0 28px}
.page-hero h1{font-size:clamp(2.35rem,5vw,4.4rem);max-width:920px}
.page-hero .lead{max-width:840px}
.comparison-bar{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}
.choice{border:1px solid var(--line);border-radius:16px;padding:18px}
.choice strong{display:block;font-size:1.08rem}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq summary{font-weight:800;cursor:pointer}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related a{display:block;border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;background:#fff}
.related a:hover{border-color:#bbb}
.footer{border-top:1px solid var(--line);padding:48px 0 70px;background:#0f1012;color:#ddd}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px}
.footer a{color:#ddd;text-decoration:none}
.footer a:hover{color:#fff}
.footer .brand{color:#fff;margin-bottom:12px}
.footer small{color:#9da1a8}
.floating-buy{display:none}
.overlay{position:fixed;inset:0;background:rgba(8,9,11,.86);z-index:1000;display:none;align-items:center;justify-content:center;padding:22px}
.overlay.show{display:flex}
.modal{width:min(980px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:28px;box-shadow:0 30px 90px rgba(0,0,0,.4);display:grid;grid-template-columns:.95fr 1.05fr;position:relative}
.modal-media{background:#f3f4f5;padding:20px;display:flex;align-items:center}
.modal-media img{border-radius:18px;width:100%}
.modal-copy{padding:44px}
.modal-copy h2{font-size:clamp(2rem,4vw,3.3rem)}
.close-modal{position:absolute;right:14px;top:14px;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:50%;font-size:1.25rem;cursor:pointer;z-index:2}
.note{font-size:.88rem;color:var(--muted)}
.spec-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}
.spec{background:#f6f7f8;padding:16px;border-radius:14px}
.spec b{font-size:1.35rem;display:block}
.toc{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fbfbfc}
.toc b{display:block;margin-bottom:8px}
.toc a{display:block;text-decoration:none;color:#444;margin:6px 0}
.toc a:hover{color:var(--accent)}
@media(max-width:900px){
  .hero-grid,.article-wrap,.footer-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2,.comparison-bar{grid-template-columns:1fr}
  .sidebar{position:static}
  .nav{position:fixed;top:105px;left:20px;right:20px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
  .nav.open{display:flex}.menu-btn{display:block}.header-cta{display:none}
  .spec-strip{grid-template-columns:1fr 1fr}.modal{grid-template-columns:1fr}.modal-media{display:none}
}
@media(max-width:620px){
  .container{width:min(var(--max),calc(100% - 28px))}
  .hero{padding:48px 0 32px}.section{padding:48px 0}.grid-3,.related{grid-template-columns:1fr}
  .header-inner{height:64px}.topbar{font-size:.74rem}.nav{top:97px}
  h1{font-size:2.65rem}.page-hero h1{font-size:2.35rem}
  .spec-strip{grid-template-columns:1fr 1fr}
  .floating-buy{display:block;position:fixed;z-index:55;left:12px;right:12px;bottom:12px;background:var(--accent);color:#fff;text-decoration:none;text-align:center;padding:14px 18px;border-radius:999px;font-weight:900;box-shadow:0 12px 34px rgba(0,0,0,.24)}
  body{padding-bottom:76px}.footer{padding-bottom:100px}
}