:root{color-scheme:dark;--bg:#1d2531;--surface:#242e3c;--line:#394554;--text:#f5f5f2;--muted:#aeb7c3;--accent:#efa979;--accent-hover:#ffc39a;font-family:"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1200px,calc(100% - 64px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line)}.header-inner{height:84px;display:flex;align-items:center;gap:64px}.brand{font-size:22px;font-weight:750;letter-spacing:.02em;white-space:nowrap;display:flex;align-items:center;gap:12px}.brand-mark{width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--accent);border-radius:8px;color:var(--accent);font-weight:900;font-size:20px}.header-inner nav{display:flex;gap:34px;margin:auto;font-size:14px;color:#c5cad1}.header-inner nav a:hover,.footer-inner a:hover{color:var(--accent)}.platform{font-size:13px;color:var(--muted);white-space:nowrap}
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.06fr);gap:40px;align-items:center;min-height:580px;padding-block:66px 55px}.hero-copy{position:relative;z-index:1}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(46px,5vw,72px);line-height:1.13;letter-spacing:-.045em;margin-bottom:24px;font-weight:780}.hero-description{max-width:460px;font-size:17px;line-height:1.85;color:var(--muted);margin-bottom:34px}.download-button{display:inline-flex;align-items:center;justify-content:center;gap:13px;background:var(--accent);color:#24232a;min-height:58px;padding:0 25px;border-radius:8px;font-size:17px;font-weight:740;box-shadow:0 8px 28px #dd85533a;transition:transform .2s,background .2s,box-shadow .2s}.download-button svg{width:21px;height:21px}.download-button:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 12px 36px #dd855363}.download-button:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent-hover);outline-offset:4px}.download-note{font-size:13px;color:#a2afbc;margin:12px 0 0 8px}.hero-visual{min-width:0;display:flex;align-items:center;justify-content:center}.window-frame{width:100%;border:1px solid #785c4d;border-radius:12px;background:#161f2a;box-shadow:0 20px 80px #0006,0 0 44px #df8f5330;overflow:hidden}.window-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:41px;padding:0 16px;border-bottom:1px solid #344254;color:#abb9c7;font-size:12px}.window-dots{display:flex;gap:5px}.window-dots i{height:6px;width:6px;background:#876d60;border-radius:50%}.window-dots i:first-child{background:var(--accent)}.window-controls{font-size:15px;letter-spacing:7px;white-space:nowrap}.window-body{padding:35px 36px 33px}.window-title{display:flex;align-items:center;gap:11px;font-size:19px}.window-title .brand-mark{width:30px;height:30px;font-size:17px}.local-indicator{margin-left:auto;color:#93d1ac;font-size:12px;border:1px solid #456551;border-radius:5px;padding:3px 8px}.window-address{display:flex;align-items:center;gap:8px;margin-top:28px;background:#202e3a;border:1px solid #44505c;border-radius:7px;padding:12px 14px;color:#dce1e6;font:14px/1.3 Consolas,"Courier New",monospace}.window-address span:last-child{margin-left:auto;font:12px/1.3 "Segoe UI","Microsoft YaHei UI",sans-serif;color:#9baab8}.address-lock{color:var(--accent);font-size:19px}.window-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:30px}.window-flow div{display:flex;flex-direction:column;justify-content:center;gap:11px;min-height:97px;padding:14px;border:1px solid #43505d;border-radius:8px;background:#202a37;color:#d7dee4;font-size:13px}.window-flow b{color:var(--accent);font-size:21px;line-height:1}.window-caption{font-size:12px;color:#9baaba;margin:23px 0 0}
.install{padding-block:35px 94px;scroll-margin-top:28px}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:28px}.section-head h2,.integrity h2,.help h2{font-size:29px;line-height:1.3;letter-spacing:-.02em;margin:0}.section-head p{font-size:14px;color:var(--muted);margin:0}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;border-block:1px solid #5c4c47}.steps li{display:flex;gap:19px;padding:28px 24px 29px 0;min-width:0}.steps li+li{border-left:1px solid var(--line);padding-left:24px}.step-number{font-size:31px;line-height:1.18;color:var(--accent);font-weight:650;letter-spacing:-.06em}.steps h3{font-size:17px;font-weight:690;margin:0 0 7px}.steps p{font-size:13px;color:var(--muted);line-height:1.8;margin:0}
.help{border-top:1px solid var(--line);padding-block:70px 90px}.help h2{font-size:29px;line-height:1.3;letter-spacing:-.02em;margin:0}.help p{max-width:910px;color:var(--muted);font-size:14px;line-height:2;margin:18px 0 0}footer{border-top:1px solid var(--line);color:#99a5b3;font-size:13px}.footer-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:16px}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:35px;min-height:0;padding-block:65px}.hero-visual{max-width:650px}}@media(max-width:650px){.container{width:min(100% - 36px,1200px)}.header-inner{height:72px;gap:10px;justify-content:space-between}.brand{font-size:17px;gap:8px}.brand-mark{width:26px;height:26px;font-size:16px}.header-inner nav{margin:0;gap:14px;font-size:12px}.platform{display:none}.hero{padding-block:58px 45px;gap:32px}h1{font-size:clamp(40px,11vw,57px);letter-spacing:-.055em}.hero-description{font-size:15px;margin-bottom:27px}.download-button{width:100%;font-size:16px}.download-note{margin-left:0;text-align:center}.window-body{padding:20px 17px 23px}.window-address{font-size:12px;padding:10px}.window-address span:last-child{font-size:10px}.window-flow{gap:6px;margin-top:20px}.window-flow div{font-size:11px;padding:9px;min-height:77px}.window-flow b{font-size:18px}.install{padding-block:38px 65px}.section-head{display:block}.section-head h2,.help h2{font-size:25px}.section-head p{margin-top:8px}.steps{grid-template-columns:1fr}.steps li,.steps li+li{border-left:0;padding:19px 0}.steps li+li{border-top:1px solid var(--line)}.step-number{min-width:39px}.help{padding-block:55px 70px}.footer-inner{min-height:70px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.download-button{transition:none}}