:root{color-scheme:light;--ink:#10213a;--muted:#607089;--line:#dbe5f2;--blue:#087ee6;--cyan:#38c8ff;--deep:#073b7a;--paper:#fff;--wash:#f4f8fd;--ok:#079669;--shadow:0 18px 60px rgba(11,74,137,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#eff8ff 0,#fff 32rem);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}a{color:inherit}.shell{width:min(1120px,calc(100% - 32px));margin:auto}.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(210,226,243,.85)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;font-size:1.1rem}.brand img{width:44px;height:44px;border-radius:13px;box-shadow:0 8px 24px rgba(0,119,230,.22)}.navlinks{display:flex;gap:8px;align-items:center}.navlinks a{padding:8px 12px;border-radius:999px;text-decoration:none;color:#3e536e}.navlinks .primary{background:var(--blue);color:white}.hero{padding:76px 0 54px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}.eyebrow{color:var(--blue);font-weight:800;letter-spacing:.18em;text-transform:uppercase;font-size:.8rem}.hero h1{font-size:clamp(2.5rem,7vw,5.9rem);line-height:.98;letter-spacing:-.055em;margin:16px 0 22px}.hero h1 em{font-style:normal;color:var(--blue)}.hero p{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.button,button{appearance:none;border:0;border-radius:14px;padding:13px 20px;font:inherit;font-weight:750;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.button.primary,button.primary{background:linear-gradient(135deg,var(--blue),#19aef3);color:#fff;box-shadow:0 12px 30px rgba(0,126,230,.25)}.button.secondary,button.secondary{background:#fff;color:var(--deep);border:1px solid var(--line)}button:disabled{opacity:.58;cursor:not-allowed}.device{background:linear-gradient(150deg,#071a34,#0d65b3 62%,#41d8ff);border-radius:36px;padding:28px;color:white;box-shadow:var(--shadow);min-height:390px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}.device:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.12);right:-90px;top:-90px}.device img{width:88px;height:88px;border-radius:25px;position:relative}.device strong{font-size:1.7rem;position:relative}.device ul{padding:0;list-style:none;margin:20px 0 0;position:relative}.device li{padding:10px 0;border-top:1px solid rgba(255,255,255,.18)}.section{padding:58px 0}.section h2{font-size:clamp(2rem,5vw,3.6rem);line-height:1.08;margin:8px 0 14px;letter-spacing:-.04em}.lead{color:var(--muted);max-width:740px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:30px}.card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 12px 42px rgba(20,73,125,.07)}.card h3{font-size:1.35rem;margin:6px 0}.card p{color:var(--muted)}.step{display:inline-flex;width:36px;height:36px;border-radius:11px;background:#eaf6ff;color:var(--blue);align-items:center;justify-content:center;font-weight:900}.status{border:1px solid #a9ebd7;background:#ecfff8;color:#066d50;border-radius:16px;padding:13px 16px;margin:22px 0 0;display:flex;gap:10px;align-items:center}.status:before{content:"";width:9px;height:9px;background:var(--ok);border-radius:50%;box-shadow:0 0 0 6px rgba(7,150,105,.12)}.install-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;padding:48px 0 72px}.install-intro{position:sticky;top:100px;align-self:start}.install-intro h1{font-size:clamp(2.3rem,6vw,4.5rem);line-height:1.02;margin:12px 0 20px;letter-spacing:-.05em}.choice{margin-bottom:18px}.choice-head{display:flex;align-items:flex-start;gap:14px}.choice-head .icon{width:46px;height:46px;border-radius:14px;background:#e8f5ff;color:var(--blue);display:grid;place-items:center;font-size:1.35rem;flex:none}.choice h2{font-size:1.2rem;margin:0}.choice p{margin:3px 0 0;color:var(--muted)}.field{margin-top:16px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input{width:100%;padding:13px 14px;border:1px solid #9eb3ce;border-radius:12px;font:inherit;background:#fff}.hint{font-size:.86rem;color:var(--muted);margin-top:5px}.divider{display:flex;align-items:center;gap:12px;color:#8595aa;margin:20px 0}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}.progress{display:none;margin-top:18px;padding:15px;border-radius:14px;background:#eff7ff;color:#154a7d}.progress.show{display:flex;gap:12px;align-items:center}.spinner{width:20px;height:20px;border:3px solid #b9d9f5;border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite;flex:none}@keyframes spin{to{transform:rotate(360deg)}}.result{display:none;margin-top:18px;padding:18px;border:1px solid #a9ebd7;background:#effdf8;border-radius:16px}.result.show{display:block}.error{display:none;margin-top:16px;padding:13px 15px;background:#fff2f2;border:1px solid #f2b9b9;color:#922d36;border-radius:13px}.error.show{display:block}.privacy{font-size:.84rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.foot{border-top:1px solid var(--line);padding:28px 0 46px;color:var(--muted);font-size:.9rem}.mobile-only{display:none}@media(max-width:820px){.hero,.install-layout{grid-template-columns:1fr}.hero{padding-top:45px}.device{min-height:310px}.grid{grid-template-columns:1fr}.install-intro{position:static}.navlinks a:not(.primary){display:none}.mobile-only{display:inline}.shell{width:min(100% - 24px,1120px)}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important}}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(8,126,230,.45);outline-offset:3px}