:root{--bg:#0b1020;--panel:#121a2d;--panel-2:#17213a;--text:#f3f6ff;--muted:#9ca8c2;--line:rgba(255,255,255,.1);--blue:#70a7ff;--purple:#a88bff;--orange:#ffb36b;--green:#55d9a4;--red:#ff7f9b;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 75% 0%,#1e2d5b 0,transparent 32%),var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:16px max(24px,calc((100vw - var(--max))/2));background:rgba(11,16,32,.82);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.01em}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#0b1020;font-weight:900}.nav{display:flex;gap:26px;color:var(--muted);font-size:14px}.nav a:hover{color:var(--text)}.section-wrap{max-width:var(--max);margin:0 auto;padding-left:24px;padding-right:24px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center;padding-top:104px;padding-bottom:100px}.eyebrow{margin:0 0 15px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.17em;text-transform:uppercase}.dot,.status-live{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(85,217,164,.12);vertical-align:middle}.hero h1{max-width:700px;margin:0;font-size:clamp(40px,6vw,70px);line-height:1.1;letter-spacing:-.055em}.hero-lead{max-width:650px;margin:24px 0 0;color:var(--muted);font-size:18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.button{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border:1px solid var(--line);border-radius:12px;font-weight:700;font-size:14px;transition:transform .2s,border-color .2s,background .2s}.button:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.3)}.button-primary{background:linear-gradient(135deg,#74a9ff,#957bff);color:#0c1020;border:0}.button-ghost{background:rgba(255,255,255,.03)}.trust-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:24px;color:#b9c5df;font-size:12px}.glass-card{background:linear-gradient(145deg,rgba(24,34,62,.92),rgba(15,22,42,.92));border:1px solid rgba(255,255,255,.12);box-shadow:0 20px 80px rgba(0,0,0,.25)}.hero-card{padding:22px;border-radius:22px;transform:rotate(1deg)}.card-topline{color:#cbd5ed;font-size:13px}.terminal-window{margin-top:20px;overflow:hidden;border-radius:14px;background:#070b16;border:1px solid rgba(255,255,255,.1);box-shadow:0 18px 45px rgba(0,0,0,.35)}.terminal-head{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.08)}.terminal-head>span{width:8px;height:8px;border-radius:50%;background:#ff6b80}.terminal-head>span:nth-child(2){background:#ffc15c}.terminal-head>span:nth-child(3){background:#4bd69c}.terminal-head small{margin-left:auto;color:#697593;font-size:10px}.terminal-body{padding:18px 16px;color:#d9e2f8;font:13px/1.9 ui-monospace,SFMono-Regular,Consolas,monospace}.terminal-body p{margin:0}.prompt{color:var(--purple);padding-right:8px}.muted{color:#8190b0}.ok{color:var(--green)}.cursor{display:inline-block;width:7px;height:15px;background:var(--blue);vertical-align:-2px;animation:blink 1s steps(2,start) infinite}@keyframes blink{50%{opacity:0}}.card-footnote{margin:16px 0 0;color:#7f8da9;font-size:11px}.section-block{padding-top:90px;padding-bottom:90px}.section-heading{max-width:680px;margin-bottom:34px}.section-heading h2{margin:0;font-size:clamp(28px,4vw,46px);letter-spacing:-.04em;line-height:1.15}.section-heading>p:last-child{margin:14px 0 0;color:var(--muted);font-size:16px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-card{padding:26px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025)}.feature-card h3{margin:22px 0 8px;font-size:20px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;font-size:12px;font-weight:900}.icon-blue{background:rgba(112,167,255,.15);color:var(--blue)}.icon-purple{background:rgba(168,139,255,.15);color:var(--purple)}.icon-orange{background:rgba(255,179,107,.15);color:var(--orange)}.workflow-section{border-top:1px solid var(--line)}.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:10px}.timeline-line{position:absolute;top:30px;left:7%;right:7%;height:1px;background:linear-gradient(90deg,var(--blue),var(--purple),var(--orange));opacity:.55}.timeline-item{position:relative;z-index:1}.gate-number{display:grid;place-items:center;width:42px;height:42px;margin-bottom:20px;border:1px solid rgba(255,255,255,.25);border-radius:50%;background:var(--bg);color:var(--blue);font-weight:800}.timeline-item h3{margin:0 0 7px}.timeline-item p{margin:0;color:var(--muted);font-size:14px;max-width:230px}.demo-section{padding-top:100px}.demo-shell{display:grid;grid-template-columns:280px 1fr;overflow:hidden;border-radius:22px}.scenario-list{padding:18px;background:rgba(7,11,22,.38);border-right:1px solid var(--line)}.scenario-button{display:flex;align-items:center;gap:12px;width:100%;padding:15px 14px;border:1px solid transparent;border-radius:13px;background:transparent;color:var(--muted);text-align:left;cursor:pointer;font:inherit}.scenario-button:hover,.scenario-button.active{background:rgba(112,167,255,.1);border-color:rgba(112,167,255,.25);color:var(--text)}.scenario-button>span:first-child{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.06);font-size:18px;color:var(--blue)}.scenario-button strong,.scenario-button small{display:block}.scenario-button strong{font-size:14px}.scenario-button small{margin-top:2px;color:#7e8aa5;font-size:11px}.demo-conversation{min-height:380px;padding:28px 32px}.demo-label{margin-bottom:20px;color:#8d9bb7;font-size:12px}.demo-label .status-live{margin-right:8px}.message{max-width:84%;padding:15px 17px;border-radius:14px;font-size:14px}.user-message{margin-left:auto;background:#2a4d86;color:#e9f1ff;border-bottom-right-radius:4px}.agent-message{display:flex;gap:12px;margin-top:18px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-bottom-left-radius:4px}.agent-avatar{flex:0 0 30px;display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#0b1020;font-weight:900}.message-title{margin:0 0 9px;color:#c3d1ed;font-size:12px;font-weight:800}.demo-output{color:#d8e2f5}.demo-output p{margin:0 0 8px}.demo-output p:last-child{margin-bottom:0}.demo-output ul{margin:8px 0 0;padding-left:20px;color:#bfcce3}.demo-output .highlight{color:#93c2ff}.demo-footer{display:flex;justify-content:space-between;margin-top:25px;color:#71809e;font-size:11px}.boundary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.boundary-card{padding:23px;border-radius:17px;border:1px solid var(--line);background:rgba(255,255,255,.025)}.boundary-title{font-weight:800}.boundary-title span{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:7px;border-radius:7px}.allowed .boundary-title{color:var(--green)}.allowed .boundary-title span{background:rgba(85,217,164,.14)}.human .boundary-title{color:var(--orange)}.human .boundary-title span{background:rgba(255,179,107,.14)}.blocked .boundary-title{color:var(--red)}.blocked .boundary-title span{background:rgba(255,127,155,.14)}.boundary-card ul{margin:18px 0 0;padding-left:18px;color:var(--muted);font-size:14px}.boundary-card li+li{margin-top:8px}.evidence-section{padding-top:25px}.evidence-card{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;padding:30px;border-radius:20px}.evidence-copy h2{margin:0;font-size:30px;line-height:1.2}.evidence-copy>p:last-child{margin:14px 0 0;color:var(--muted);font-size:14px}.evidence-log{align-self:center;padding:18px 20px;border-radius:14px;background:#070b16;border:1px solid rgba(255,255,255,.1);font:13px/2 ui-monospace,SFMono-Regular,Consolas,monospace}.evidence-log p{margin:0}.evidence-log span{color:#7f8da9;margin-right:10px}.evidence-log b{color:var(--green);font-weight:500;margin-right:8px}.quickstart-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quickstart-grid>div{padding:22px;border-top:1px solid var(--line)}.step{color:var(--blue);font:800 12px ui-monospace,monospace}.quickstart-grid h3{margin:16px 0 7px;font-size:18px}.quickstart-grid p{margin:0;color:var(--muted);font-size:14px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{padding:19px 0;cursor:pointer;font-weight:700;list-style:none}summary::-webkit-details-marker{display:none}summary::after{float:right;content:'+';color:var(--blue);font-size:22px;font-weight:400}details[open] summary::after{content:'−'}details p{max-width:800px;margin:0 0 20px;color:var(--muted);font-size:14px}.footer{border-top:1px solid var(--line);color:#7785a1;font-size:12px}.footer-inner{display:flex;justify-content:space-between;gap:20px;padding-top:25px;padding-bottom:25px}
@media (max-width:900px){.hero{grid-template-columns:1fr;gap:42px;padding-top:72px}.hero-card{max-width:620px;transform:none}.timeline{grid-template-columns:repeat(2,1fr);gap:28px}.timeline-line{display:none}.demo-shell{grid-template-columns:1fr}.scenario-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-right:0;border-bottom:1px solid var(--line)}.scenario-button{padding:12px}.boundary-grid,.feature-grid{grid-template-columns:1fr}.evidence-card{grid-template-columns:1fr}.quickstart-grid{grid-template-columns:1fr}}
@media (max-width:600px){.topbar{padding:13px 16px}.nav{display:none}.section-wrap{padding-left:18px;padding-right:18px}.hero{padding-top:58px;padding-bottom:56px}.hero h1{font-size:42px}.hero-lead{font-size:16px}.trust-row{gap:10px;flex-direction:column}.section-block{padding-top:58px;padding-bottom:58px}.scenario-list{display:flex;overflow:auto}.scenario-button{min-width:178px}.demo-conversation{padding:20px 16px}.message{max-width:95%}.footer-inner{flex-direction:column;gap:5px}}