@charset "UTF-8";
:root{color-scheme:dark;--bg:#10171c;--panel:#19232a;--line:#344049;--paper:#eeeade;--muted:#a1a8aa;--gold:#f2b45e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--paper);font-family:"Microsoft YaHei",system-ui,sans-serif}a{color:inherit;text-decoration:none}header,footer{display:flex;justify-content:space-between;align-items:center;padding:25px max(6vw,24px);border-bottom:1px solid var(--line)}.brand{font-size:24px;font-weight:800;letter-spacing:2px}.brand span{font:10px monospace;color:var(--gold);display:block;letter-spacing:3px;margin-top:6px}nav{display:flex;gap:32px;font-size:14px;color:var(--muted)}main{max-width:1440px;margin:auto}.hero{min-height:630px;position:relative;padding:90px 7vw;overflow:hidden;background:radial-gradient(ellipse at 80% 60%,#38413566,transparent 55%),linear-gradient(125deg,transparent 65%,#d9ac4520)}.eyebrow{font-size:13px;letter-spacing:4px;color:var(--gold)}h1{font-size:clamp(45px,5.4vw,78px);line-height:1.2;letter-spacing:3px;margin:28px 0}p{color:var(--muted);line-height:1.9}h2{font-size:26px}small{display:block;color:var(--muted);margin-top:20px;font-size:12px}.button,button{display:inline-block;background:var(--gold);color:#191b19;border:0;border-radius:3px;padding:17px 24px;font-weight:700;font-size:15px;cursor:pointer}.button:hover,button:hover{background:#ffca7e}.hero .button{margin-top:22px}.tank{position:absolute;right:7%;top:42%;width:330px;height:210px;transform:rotate(-6deg);filter:drop-shadow(0 25px 30px #0008)}.chassis{position:absolute;bottom:40px;width:300px;height:80px;background:linear-gradient(#9a9e6e,#5e694b);clip-path:polygon(12% 0,85% 0,100% 95%,0 95%)}.turret{position:absolute;top:35px;left:90px;width:115px;height:80px;border:6px solid #a7ad7d;background:#73815d;clip-path:polygon(10% 0,80% 5%,100% 100%,0 100%)}.barrel{position:absolute;top:25px;left:180px;width:170px;height:24px;background:#9ea679;border:5px solid #647057;transform-origin:left;transform:rotate(-35deg)}.track{position:absolute;bottom:4px;width:300px;height:64px;border:12px solid #454d42;border-radius:40px;background:repeating-radial-gradient(circle at 28px 20px,#87907a 0 12px,#343a35 13px 25px);box-shadow:inset 0 0 0 4px #222}.trajectory{position:absolute;right:7%;top:16%;width:400px;height:220px;border-top:2px dashed #dab86860;border-radius:50%;transform:rotate(-28deg);pointer-events:none}.features{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line)}article{padding:42px;border-right:1px solid var(--line)}article:last-child{border:0}article b,.download b{font-size:12px;color:var(--gold);letter-spacing:2px}article p{font-size:14px}.download{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:70px 7%;padding:38px;border:1px solid var(--line);background:var(--panel)}.download p{font-size:14px}.web-note{padding:0 7% 60px}.web-note h2{font-size:20px}.web-note p{font-size:14px}footer{border-top:1px solid var(--line);border-bottom:0;font-size:12px;color:var(--muted)}.gm{max-width:1250px;padding:30px 24px;margin:auto}.gm h1{font-size:34px;margin:10px 0 28px}.gm input,.gm select,.gm textarea{padding:11px;border:1px solid var(--line);border-radius:3px;background:var(--bg);color:var(--paper);font:inherit;max-width:100%}.gm button{padding:10px 16px}.gm form,.gm .box{padding:22px;background:var(--panel);border:1px solid var(--line);margin-bottom:20px}.gm form label{display:block;margin:14px 0 5px}.gm .row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.gm table{border-collapse:collapse;width:100%;font-size:13px}.gm th,.gm td{padding:12px 8px;text-align:left;border-bottom:1px solid var(--line)}.scroll{overflow:auto}.gm .metrics{color:var(--gold);padding:15px 0}.gm #status{min-height:32px;color:var(--gold)}[hidden]{display:none!important}.gm .muted{color:var(--muted);font-size:13px}.gm .danger{background:#d38375}.gm td button{padding:5px 10px;font-size:12px}@media(max-width:950px){.tank,.trajectory{opacity:.25;right:-7%;top:42%}.hero>*:not(.tank):not(.trajectory){position:relative;z-index:1}.features{grid-template-columns:1fr}article{border-right:0;border-bottom:1px solid var(--line);padding:26px}.download{display:block;padding:24px}.download .button{margin-top:16px}nav{gap:16px}footer span{display:none}.hero{padding-top:65px;min-height:580px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}