
:root{--primary:rgb(70,139,223);--primary-50:#f1f7ff;--primary-100:#e2efff;--primary-200:#bfdafa;--primary-500:#468bdf;--primary-600:#2876c9;--primary-700:#195c9f;--gradient:linear-gradient(130deg,#f1f7ff,#fff 70%);--text:#23354d;--muted:#67788e;--border:#e0e8f1;--bg:#fff;--soft:#f7f9fc;--green:#21886d;--amber:#a86b23;--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-xl:26px;--radius-pill:999px;--shadow-sm:0 7px 22px #234e7d0c;--shadow-md:0 16px 40px #284f8018;--shadow-lg:0 30px 80px #285b9e24;--transition-fast:180ms ease;--transition-base:220ms ease;--container:1200px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font:400 16px/1.78 var(--font);color:var(--text);overflow-x:hidden}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--primary-700)}button{font:inherit;cursor:pointer}img{max-width:100%;height:auto;object-fit:contain}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:550;line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(35px,4.6vw,63px)}h2{font-size:clamp(27px,3.25vw,42px)}h3{font-size:clamp(19px,2vw,25px)}p{color:var(--muted)}:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}.section{padding-block:clamp(52px,7vw,105px)}.section-head{margin-bottom:30px;max-width:850px}.section-head 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7fr;align-items:center;gap:clamp(28px,4vw,62px)}.hero-copy>p{font-size:18px;max-width:570px}.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.hero-stage{position:relative;min-height:500px;display:grid;place-items:center;isolation:isolate}.hero-stage:before{content:'';position:absolute;z-index:-1;width:83%;height:80%;border-radius:50%;background:radial-gradient(circle,#bedfff95,#ebf5ff10 70%);filter:blur(10px)}.app-shot{width:min(67%,390px);max-height:460px;filter:drop-shadow(0 20px 35px #3675b32b)}.floating{position:absolute;border:1px solid var(--border);background:#fffffff2;padding:12px 17px;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);font-size:13px;max-width:210px}.float-one{top:15%;left:2%}.float-two{right:0;top:48%}.float-three{bottom:9%;left:8%}.security-strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}.strip-item{padding:27px 20px;border-right:1px solid 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
