:root{--ink:#17172d;--muted:#68708d;--line:#dfe2f1;--violet:#5648ce;--lav:#eeecff;--teal:#189985;--paper:#fbfbff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.55}.topbar{height:70px;border-bottom:1px solid var(--line);padding:0 max(5vw,28px);display:flex;align-items:center;justify-content:space-between;background:rgba(251,251,255,.94);backdrop-filter:blur(10px);position:sticky;top:0;z-index:2}.brand{color:var(--ink);font-weight:800;text-decoration:none;display:flex;align-items:center;gap:9px;font-size:18px}.brand span{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--violet);color:#fff;font-size:14px}.topbar nav{display:flex;gap:22px}.topbar nav a,footer a{font-size:14px;color:var(--muted);text-decoration:none}.topbar nav a:hover,footer a:hover{color:var(--violet)}.hero,.section{max-width:1140px;margin:auto;padding:92px 28px}.hero{min-height:650px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:76px}.eyebrow{font-size:12px;letter-spacing:.13em;font-weight:800;color:var(--violet);margin:0 0 14px}.hero h1,h2{letter-spacing:-.045em;line-height:1.1;margin:0}.hero h1{font-size:clamp(39px,5.6vw,65px)}.hero em{font-style:normal;background:linear-gradient(90deg,#5648ce,#159b8a);background-clip:text;-webkit-background-clip:text;color:transparent}.hero-copy>p:not(.eyebrow){color:var(--muted);font-size:18px;max-width:565px;margin:24px 0}.actions{display:flex;gap:12px;margin:30px 0 15px}.button{padding:12px 18px;border-radius:10px;font-size:15px;font-weight:700;text-decoration:none}.primary{background:var(--violet);color:#fff}.secondary{border:1px solid #bbb9df;color:var(--violet)}small{font-size:12px;color:#8389a2}.terminal{background:#20203a;border-radius:16px;overflow:hidden;box-shadow:14px 17px 0 #dfdff5;color:#dce3ff}.terminal-head{height:43px;background:#2e2e50;display:flex;align-items:center;gap:6px;padding:0 15px;font-size:12px}.terminal-head i{width:8px;height:8px;background:#777397;border-radius:50%}.terminal-head b{margin-left:6px;font-weight:600}.terminal-body{padding:22px 22px 13px;font-family:ui-monospace,monospace;font-size:12px}.terminal-body p{margin:0 0 12px}.ok{color:#62e1b7}.warn{color:#ffd463}.human{color:#aa9aff}.metrics{border-top:1px solid #3c3c61;padding:15px 22px;display:grid;grid-template-columns:repeat(3,1fr)}.metrics div{display:grid;gap:2px}.metrics b{font-size:22px;color:#fff}.metrics span{font-size:11px;color:#a8acc8}h2{font-size:clamp(31px,4vw,47px);max-width:690px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:42px}.cards article{background:#fff;border:1px solid var(--line);min-height:186px;padding:23px;border-radius:13px}.cards b{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--lav);color:var(--violet);font-size:12px}.cards h3{margin:18px 0 7px;font-size:18px}.cards p{margin:0;color:var(--muted);font-size:14px}.demo-section{background:#24213f;color:#fff;padding:92px max(calc((100vw - 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