:root{--ink:#10213a;--muted:#5b6b7e;--blue:#1678d2;--sky:#eaf6ff;--line:#dbe7f1;--paper:#fff;--soft:#f6fbff;--accent:#0e5ba7;--max:1160px}
*{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}
a{color:var(--accent)}img,svg{max-width:100%;height:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:1000}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:14px 22px;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:850;font-size:1.18rem}.brandmark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,#0b4e9b,#27a7ee);display:grid;place-items:center;color:#fff;font-weight:900}
.links{display:flex;gap:20px;align-items:center}.links a{text-decoration:none;color:var(--ink);font-weight:650;font-size:.94rem}.navcta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 17px;font-weight:800;text-decoration:none;border:0}.navcta,.btn.primary{background:var(--blue);color:#fff}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.menu{display:none;background:none;border:0;font-size:1.5rem}
.wrap{max-width:var(--max);margin:auto;padding:0 22px}.hero{background:radial-gradient(circle at 80% 20%,#d7f1ff,transparent 35%),linear-gradient(180deg,#f8fcff,#fff);padding:70px 0 50px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}.eyebrow{color:var(--accent);font-weight:850;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.hero h1,.article h1{font-size:clamp(2.3rem,5vw,4.7rem);line-height:1.03;letter-spacing:-.045em;margin:.18em 0}.article h1{font-size:clamp(2.1rem,4vw,3.65rem)}.lead{font-size:1.18rem;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.micro{font-size:.82rem;color:var(--muted)}
.device{background:#fff;border:1px solid var(--line);border-radius:32px;padding:26px;box-shadow:0 24px 70px rgba(26,92,145,.13)}.device svg{display:block;margin:auto}
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.trust div,.card,.callout,.compare,.toc{border:1px solid var(--line);border-radius:18px;background:#fff}.trust div{padding:15px;font-size:.88rem}.section{padding:58px 0}.section h2,.article h2{font-size:clamp(1.65rem,3vw,2.45rem);line-height:1.15;letter-spacing:-.025em}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:24px;text-decoration:none;color:inherit;transition:.2s}.card:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(16,33,58,.08)}.card h3{margin:.2em 0}.card p{color:var(--muted);margin-bottom:0}.kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:850}
.article{max-width:820px;margin:auto;padding:54px 22px}.article p,.article li{font-size:1.03rem}.article h2{margin-top:2.1em}.article h3{margin-top:1.7em}.breadcrumbs{font-size:.84rem;color:var(--muted);margin-bottom:20px}.breadcrumbs a{color:inherit}.disclosure{background:#fff7df;border:1px solid #f2df9f;padding:14px 16px;border-radius:14px;font-size:.88rem}.callout{padding:22px;margin:28px 0;background:var(--soft)}.callout strong{display:block;font-size:1.12rem;margin-bottom:4px}.toc{padding:18px 22px;margin:28px 0}.toc a{display:block;padding:4px 0}.specs{width:100%;border-collapse:collapse;margin:22px 0}.specs th,.specs td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}.specs th{width:36%}.note{font-size:.88rem;color:var(--muted)}.sourcebox{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}.sourcebox a{word-break:break-word}
.offer{background:linear-gradient(135deg,#0d4d91,#168cda);color:#fff;border-radius:24px;padding:28px;margin:34px 0}.offer .btn{background:#fff;color:#0d4d91}.offer p{color:#e8f5ff}.pill{display:inline-block;background:#e7f4ff;color:#0b5c9e;border-radius:999px;padding:6px 10px;font-size:.78rem;font-weight:800}
.footer{background:#0e1d31;color:#dce8f5;margin-top:60px}.footer .wrap{padding-top:42px;padding-bottom:42px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a{color:#dce8f5}.footer small{color:#9eb2c8}
.popup{position:fixed;right:18px;bottom:18px;z-index:80;width:min(390px,calc(100vw - 36px));background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 24px 70px rgba(0,0,0,.2);padding:20px;display:none}.popup.show{display:block}.popup-close{position:absolute;right:12px;top:10px;border:0;background:none;font-size:1.35rem;cursor:pointer}.popup h3{margin:0 28px 6px 0}.popup p{font-size:.9rem;color:var(--muted)}.popup .btn{width:100%}
@media(max-width:820px){.hero-grid,.grid3,.footer-grid{grid-template-columns:1fr}.links{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;padding:20px 22px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.links.open{display:flex}.menu{display:block}.navcta{display:none}.hero{padding-top:44px}.trust{grid-template-columns:1fr}.hero h1{font-size:2.75rem}.article{padding-top:34px}.popup{bottom:12px;right:12px;width:calc(100vw - 24px)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.device-art{width:100%;max-width:520px;margin:auto}.device-art svg{display:block;width:100%;height:auto}

.device-png{display:block;width:100%;max-width:520px;height:auto;margin:0 auto}