:root{color-scheme:dark;--bg:#101410;--panel:#181e17;--line:#343e31;--text:#eff3e9;--muted:#aab6a2;--accent:#b4f583;font-family:"Segoe UI","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.wrap{width:min(1152px,calc(100% - 64px));margin:auto}
.top{border-bottom:1px solid var(--line)}.top-inner{height:76px;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800;letter-spacing:.08em}.brand i,.eyebrow>span,.instrument-top i{display:inline-block;width:9px;height:9px;background:var(--accent)}.brand span{font:600 10px Consolas,monospace;color:var(--muted);letter-spacing:.14em}.top nav{display:flex;gap:28px;color:var(--muted);font-size:14px}.top nav a:hover{color:var(--accent)}
.hero{min-height:540px;padding:84px 0;display:grid;grid-template-columns:1fr 1.03fr;gap:64px;align-items:center}.eyebrow{margin:0 0 18px;color:var(--accent);font:600 12px/1.6 Consolas,"Microsoft YaHei",monospace;letter-spacing:.12em}.eyebrow>span{width:7px;height:7px;margin-right:8px}.hero h1{font-size:clamp(86px,13vw,164px);line-height:.83;letter-spacing:-.085em;margin:0 0 20px}.hero h1 span{color:var(--accent)}.subtitle{font-size:clamp(24px,4vw,37px);font-weight:750;margin:0 0 15px}.lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:38em;margin:0 0 29px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;background:var(--accent);color:#152210;padding:12px 16px;font-weight:750}.button:hover{background:#d2ffb0}
.instrument{background:var(--panel);border:1px solid var(--line);overflow:hidden}.instrument-top,.instrument-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 18px;color:var(--muted);font:500 11px Consolas,"Microsoft YaHei",monospace}.instrument-top i{width:6px;height:6px;border-radius:50%;margin-right:4px}.instrument svg{display:block;width:100%;height:auto;border-block:1px solid var(--line);background:#131912}.instrument-bottom span:nth-child(even){color:var(--accent)}
.section{padding:65px 0;border-top:1px solid var(--line);scroll-margin-top:20px}h2{font-size:clamp(30px,5vw,52px);letter-spacing:-.045em;margin:0 0 29px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.features article{background:var(--panel);padding:26px}.number{color:var(--accent);font:14px Consolas,monospace}.features h3{margin:17px 0 9px;font-size:19px}.features p,.workflow li span{color:var(--muted);margin:0;line-height:1.8;font-size:14px}.workflow{display:grid;grid-template-columns:1fr 1.2fr;gap:34px}.workflow ol{margin:0;padding:0 0 0 28px}.workflow li{padding:0 0 16px 8px;margin-bottom:16px;border-bottom:1px solid var(--line)}.workflow li::marker{color:var(--accent)}.workflow li b,.workflow li span{display:block}.workflow li b{margin-bottom:5px}
footer{border-top:1px solid var(--line)}footer .wrap{display:flex;gap:18px;align-items:center;min-height:82px;color:var(--muted);font-size:13px}footer b{font-size:19px;color:var(--text)}a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
@media(max-width:780px){.wrap{width:calc(100% - 36px)}.hero{grid-template-columns:1fr;gap:38px;padding:52px 0}.features,.workflow{grid-template-columns:1fr}.top-inner{height:64px}.section{padding:42px 0}}
@media(max-width:440px){.brand span{display:none}.top nav{gap:16px;font-size:13px}.instrument-top,.instrument-bottom{padding:12px}.features article{padding:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}