#trace-public-concept{--th-bg:light-dark(#f7f9fc,#101b2a);--th-paper:light-dark(#ffffff,#192739);--th-ink:light-dark(#15283c,#edf5ff);--th-muted:light-dark(#546578,#adbed1);--th-border:light-dark(#dce4ed,#35465a);--th-accent:#65e0c4;--th-blue:light-dark(#155eac,#94c9ff);font-family:Arial,sans-serif;font-size:14px;line-height:1.5;color:var(--th-ink);background:var(--th-bg);border-radius:12px;overflow:hidden}
#trace-public-concept *{box-sizing:border-box}
#trace-public-concept button,#trace-public-concept a{font:inherit}
#trace-public-concept button{cursor:pointer}
#trace-public-concept button:focus-visible,#trace-public-concept a:focus-visible,#trace-public-concept summary:focus-visible{outline:3px solid #3699df;outline-offset:4px}
#trace-public-concept [hidden]{display:none!important}
#trace-public-concept .th-proposal{background:var(--th-paper);border-bottom:1px solid var(--th-border);padding:8px 25px;color:var(--th-muted);font-size:12px;display:flex;justify-content:space-between;gap:10px}
#trace-public-concept .th-dark{background:radial-gradient(ellipse at 100% 20%,#154047 0,transparent 45%),radial-gradient(ellipse at 85% 0,#17375d 0,transparent 42%),#0c1c30;color:#f4f8ff;padding:0 5% 40px;position:relative}
#trace-public-concept .th-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:23px 0;border-bottom:1px solid #2a394c}
#trace-public-concept .th-logo{font-size:25px;font-weight:700;letter-spacing:.13em;color:#fff;text-decoration:none}
#trace-public-concept .th-logo span{color:var(--th-accent)}
#trace-public-concept .th-links{display:flex;align-items:center;gap:23px;flex-wrap:wrap}
#trace-public-concept .th-links a{color:#c5d3e4;text-decoration:none;font-size:13px}
#trace-public-concept .th-links a:hover{color:#fff}
#trace-public-concept .th-nav-cta{border:1px solid #58728d;padding:9px 14px;border-radius:6px}
#trace-public-concept .th-hero{padding:52px 0 34px;max-width:760px}
#trace-public-concept .th-eyebrow{font-size:11px;letter-spacing:.17em;font-weight:700;text-transform:uppercase;color:var(--th-accent);margin-bottom:18px}
#trace-public-concept h1{font-size:clamp(36px,5.4vw,62px);line-height:1.06;letter-spacing:-.055em;font-weight:500;margin:0;color:#f4f8ff;max-width:780px}
#trace-public-concept h1 span{display:block;color:var(--th-accent)}
#trace-public-concept .th-lead{font-size:17px;line-height:1.6;color:#bbcbdc;max-width:570px;margin:22px 0}
#trace-public-concept .th-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
#trace-public-concept .th-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid #405976;background:transparent;color:#fff;border-radius:6px;padding:12px 18px;min-height:44px;text-decoration:none}
#trace-public-concept .th-button.th-primary{background:var(--th-accent);border-color:var(--th-accent);color:#102838;font-weight:600}
#trace-public-concept .th-audience{margin:24px 0 0;display:flex;gap:17px;flex-wrap:wrap;color:#91a6bf;font-size:12px}
#trace-public-concept .th-demo{border:1px solid #3a4d64;border-radius:10px;background:var(--th-paper);color:var(--th-ink);box-shadow:0 22px 65px #0003;overflow:hidden;scroll-margin-top:18px}
#trace-public-concept .th-demo-top{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:12px 17px;background:var(--th-bg);border-bottom:1px solid var(--th-border)}
#trace-public-concept .th-demo-top strong{font-size:13px;letter-spacing:.02em}
#trace-public-concept .th-sample{font-size:11px;color:var(--th-muted)}
#trace-public-concept .th-tabs{display:flex;border-bottom:1px solid var(--th-border);padding:0 16px;gap:25px;background:var(--th-paper)}
#trace-public-concept .th-tab{padding:15px 0;border:0;border-bottom:3px solid transparent;color:var(--th-muted);background:transparent;font-size:13px;min-height:48px}
#trace-public-concept .th-tab[aria-pressed=true]{border-bottom-color:var(--th-blue);color:var(--th-blue);font-weight:600}
#trace-public-concept .th-workspace{display:grid;grid-template-columns:145px minmax(0,1fr)}
#trace-public-concept .th-side{background:var(--th-bg);border-right:1px solid var(--th-border);padding:20px 12px;color:var(--th-muted);font-size:12px}
#trace-public-concept .th-side div{padding:8px 10px;margin:2px 0;border-radius:5px}
#trace-public-concept .th-side .th-selected{background:light-dark(#e3eefb,#213e60);color:var(--th-blue)}
#trace-public-concept .th-side small{display:block;padding:0 10px 16px;font-size:10px;letter-spacing:.1em}
#trace-public-concept .th-surface{padding:24px;min-width:0}
#trace-public-concept h2{font-size:28px;line-height:1.2;letter-spacing:-.035em;font-weight:500;margin:0 0 12px;color:var(--th-ink)}
#trace-public-concept h3{font-size:17px;line-height:1.35;font-weight:600;margin:0 0 10px;color:var(--th-ink)}
#trace-public-concept .th-meta{font-size:12px;color:var(--th-muted)}
#trace-public-concept .th-question{background:var(--th-bg);border:1px solid var(--th-border);border-radius:8px;padding:14px 16px;font-size:15px;margin:17px 0}
#trace-public-concept .th-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:18px}
#trace-public-concept .th-answer{font-size:15px;line-height:1.6}
#trace-public-concept .th-answer p{margin:8px 0 15px}
#trace-public-concept .th-status{font-size:11px;color:var(--th-blue);font-weight:700;letter-spacing:.07em;text-transform:uppercase}
#trace-public-concept .th-source{background:var(--th-bg);border:1px solid var(--th-border);border-radius:7px;padding:17px;position:relative}
#trace-public-concept .th-document-title{font-size:11px;letter-spacing:.08em;color:var(--th-muted);margin-bottom:15px}
#trace-public-concept .th-source p{font-family:Georgia,serif;font-size:15px;line-height:1.7;margin:8px 0}
#trace-public-concept mark{background:light-dark(#d1f4e9,#214c4a);color:var(--th-ink);padding:2px 3px}
#trace-public-concept .th-mini{border:1px solid var(--th-border);background:var(--th-paper);color:var(--th-blue);border-radius:5px;padding:8px 11px;min-height:40px;font-size:12px}
#trace-public-concept .th-proof-detail{border-top:1px solid var(--th-border);padding-top:12px;margin-top:14px;font-size:12px;color:var(--th-muted)}
#trace-public-concept .th-factory-prompt{padding:15px;background:var(--th-bg);border:1px solid var(--th-border);border-radius:8px;margin:16px 0}
#trace-public-concept .th-preview-label{display:inline-block;color:light-dark(#765320,#f0c987);background:light-dark(#fff1d6,#403222);padding:3px 8px;font-size:11px;border-radius:4px;margin-bottom:11px}
#trace-public-concept .th-build{background:var(--th-blue);border:0;color:light-dark(#fff,#102132);padding:10px 14px;border-radius:5px;min-height:42px}
#trace-public-concept .th-form-row{display:grid;grid-template-columns:1.4fr .6fr 1fr;gap:8px;margin-top:15px}
#trace-public-concept .th-form-row div{border:1px solid var(--th-border);padding:10px;border-radius:5px;background:var(--th-bg)}
#trace-public-concept .th-form-row small{font-size:11px;color:var(--th-muted);display:block;margin-bottom:6px}
#trace-public-concept .th-chart{display:flex;flex-direction:column;gap:9px;margin:18px 0 0}
#trace-public-concept .th-bar-row{display:grid;grid-template-columns:70px 1fr 25px;align-items:center;gap:10px;font-size:12px}
#trace-public-concept .th-track{height:9px;background:var(--th-bg);border-radius:3px;overflow:hidden}
#trace-public-concept .th-fill{height:100%;background:var(--th-blue)}
#trace-public-concept .th-flow{display:flex;gap:8px;flex-wrap:wrap;margin:19px 0}
#trace-public-concept .th-step{padding:10px 12px;border:1px solid var(--th-border);border-radius:5px;background:var(--th-paper);color:var(--th-muted);font-size:12px}
#trace-public-concept .th-step[aria-pressed=true]{border-color:var(--th-blue);color:var(--th-blue);background:var(--th-bg)}
#trace-public-concept .th-chain-detail{padding:20px;background:var(--th-bg);border-radius:7px;border-left:3px solid var(--th-blue)}
#trace-public-concept .th-chain-detail p{margin:8px 0;color:var(--th-muted)}
#trace-public-concept .th-demo-caption{color:#a6bbd0;font-size:12px;margin:15px 0 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
#trace-public-concept .th-section{padding:45px 5%;scroll-margin-top:12px}
#trace-public-concept .th-section-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:25px}
#trace-public-concept .th-section-intro p{color:var(--th-muted);max-width:310px;margin:0;font-size:14px}
#trace-public-concept .th-kicker{color:var(--th-blue);font-size:11px;letter-spacing:.14em;font-weight:700;margin-bottom:10px}
#trace-public-concept .th-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--th-border);border-bottom:1px solid var(--th-border)}
#trace-public-concept .th-feature{padding:25px 22px 25px 0}
#trace-public-concept .th-feature+.th-feature{border-left:1px solid var(--th-border);padding-left:22px}
#trace-public-concept .th-feature p{font-size:14px;color:var(--th-muted);margin:0 0 15px}
#trace-public-concept details summary{cursor:pointer;color:var(--th-blue);font-size:13px}
#trace-public-concept details p{padding-top:12px;font-size:13px!important}
#trace-public-concept .th-expand{background:var(--th-paper);border-top:1px solid var(--th-border);border-bottom:1px solid var(--th-border);display:grid;grid-template-columns:1fr 1.2fr;gap:45px}
#trace-public-concept .th-expand p{color:var(--th-muted);max-width:340px;margin:12px 0 20px}
#trace-public-concept .th-exp-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
#trace-public-concept .th-exp-list div{border-top:1px solid var(--th-border);padding-top:12px}
#trace-public-concept .th-exp-list strong{display:block;font-size:14px;font-weight:500}
#trace-public-concept .th-exp-list small{display:block;color:var(--th-muted);font-size:11px;margin-top:4px}
#trace-public-concept .th-pricing{display:flex;align-items:center;justify-content:space-between;gap:25px}
#trace-public-concept .th-pricing p{color:var(--th-muted);margin:0}
#trace-public-concept .th-pricing a{color:var(--th-blue);text-decoration:none;white-space:nowrap;border:1px solid var(--th-border);background:var(--th-paper);border-radius:6px;padding:12px 18px}
#trace-public-concept .th-bottom{background:#0c1c30;color:#fff;padding:35px 5%;display:flex;align-items:center;justify-content:space-between;gap:25px}
#trace-public-concept .th-bottom h2{color:#fff;font-size:29px;margin:0}
#trace-public-concept .th-footer{padding:20px 5%;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:var(--th-muted)}
#trace-public-concept .th-footer a{color:var(--th-muted);text-decoration:none;margin-right:15px}
@media(max-width:700px){#trace-public-concept .th-links{gap:14px}#trace-public-concept .th-hide-small{display:none}#trace-public-concept .th-hero{padding-top:33px}#trace-public-concept .th-workspace{grid-template-columns:1fr}#trace-public-concept .th-side{display:none}#trace-public-concept .th-surface{padding:18px}#trace-public-concept .th-columns{grid-template-columns:1fr}#trace-public-concept .th-tabs{gap:16px;flex-wrap:wrap}#trace-public-concept .th-tab{font-size:12px}#trace-public-concept .th-section-intro{display:block}#trace-public-concept .th-section-intro p{margin-top:12px;max-width:none}#trace-public-concept .th-feature-grid{grid-template-columns:1fr}#trace-public-concept .th-feature+.th-feature{border-left:0;border-top:1px solid var(--th-border);padding-left:0}#trace-public-concept .th-expand{grid-template-columns:1fr;gap:20px}#trace-public-concept .th-pricing,#trace-public-concept .th-bottom{align-items:flex-start;flex-direction:column}#trace-public-concept .th-form-row{grid-template-columns:1fr}#trace-public-concept .th-section{padding-top:30px;padding-bottom:30px}#trace-public-concept .th-proposal{padding:8px 5%}#trace-public-concept .th-demo-top{align-items:flex-start;flex-direction:column;gap:3px}}

#trace-public-concept{border-radius:0;color-scheme:light}#trace-public-concept .th-section{max-width:1440px;margin:auto}#trace-public-concept button{font-family:inherit}