:root{--ink:#17252f;--muted:#637381;--line:#dbe3e8;--paper:#fff;--canvas:#f4f7f8;--brand:#176b7a;--brand-dark:#10535f;--accent:#da8b37;--soft:#eaf3f4;--good:#24724d;--bad:#aa3d35;--radius:12px;--shadow:0 10px 32px rgba(25,55,68,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.56}.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.topbar-inner{height:100%;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:15px;letter-spacing:-1px}.nav-links{display:flex;align-items:center;gap:24px;color:#52616b;font-size:14px}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--brand);font-weight:600}.top-actions{margin-left:auto;display:flex;align-items:center;gap:12px}.mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 10px}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 15px;border-radius:8px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;transition:background-color .15s,border-color .15s}.btn:hover{background:#f4f7f8}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}.btn-quiet{border-color:transparent;background:transparent;color:var(--muted)}.btn-danger{color:var(--bad)}.eyebrow{color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.page-heading{font-size:clamp(30px,4vw,48px);line-height:1.13;letter-spacing:-.04em;margin:10px 0 16px}.lead{font-size:18px;line-height:1.7;color:#52616b;max-width:680px}.section{padding:76px 0}.section-head{max-width:700px;margin-bottom:28px}.section-head h2{font-size:30px;line-height:1.2;letter-spacing:-.025em;margin:6px 0 10px}.section-head p{color:var(--muted);margin:0}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero{position:relative;overflow:hidden;padding:78px 0 70px;background:#f7fafb}.hero::after{content:"";position:absolute;right:-35px;top:8px;width:min(58vw,680px);height:320px;background:url('../img/thermo-curves.svg') center/contain no-repeat;opacity:.12;pointer-events:none}.hero-content{position:relative;z-index:1;max-width:720px}.hero h1{font-size:clamp(38px,5.1vw,64px);line-height:1.08;letter-spacing:-.05em;margin:16px 0 20px}.hero .lead{max-width:630px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.proof-row{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:30px}.proof-row span::before{content:"•";color:var(--brand);font-size:18px;margin-right:8px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.feature-card{padding:24px}.feature-icon{height:40px;width:40px;background:var(--soft);color:var(--brand);border-radius:9px;display:grid;place-items:center;font-weight:700}.feature-card h3{margin:18px 0 7px;font-size:17px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.chip{border:1px solid var(--line);border-radius:7px;padding:5px 10px;background:#fff;color:#52616b;font-size:13px}.audience{display:flex;gap:12px;flex-wrap:wrap}.audience-item{flex:1 1 200px;padding:18px;border-left:3px solid var(--brand);background:#fff;border-radius:0 8px 8px 0}.cta-panel{padding:34px 38px;background:#eaf3f4;display:flex;align-items:center;justify-content:space-between;gap:20px}.cta-panel h2{margin:0 0 8px;font-size:25px}.cta-panel p{margin:0;color:var(--muted)}.project-panel{display:grid;grid-template-columns:1fr 220px;align-items:center;gap:32px;padding:32px}.qr-box{width:170px;height:170px;border:1px dashed #a8b9c1;border-radius:10px;background:#f8fbfc;display:grid;place-items:center;text-align:center;padding:18px;color:var(--muted);font-size:13px}.footer{border-top:1px solid var(--line);background:#fff;padding:34px 0;color:var(--muted);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.page-shell{padding:36px 0 70px;min-height:calc(100vh - 140px)}.muted{color:var(--muted)}.small{font-size:13px}.divider{height:1px;background:var(--line);margin:18px 0}.status-pill{border-radius:99px;background:#edf5f2;color:var(--good);padding:4px 9px;font-size:12px;font-weight:600}.input{width:100%;border:1px solid #cbd7dd;border-radius:8px;background:#fff;padding:11px 12px;color:var(--ink);outline:none}.input:focus{border-color:#4e929d;box-shadow:0 0 0 3px rgba(23,107,122,.13)}.toast{position:fixed;z-index:100;bottom:22px;left:50%;transform:translate(-50%,12px);opacity:0;pointer-events:none;background:#17252f;color:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow);transition:opacity .16s,transform .16s;max-width:min(540px,calc(100vw - 24px));font-size:14px}.toast.visible{opacity:1;transform:translate(-50%,0)}.toast[data-kind=error]{background:#8e312c}.alert{padding:12px 14px;border-radius:8px;background:#fff5e8;color:#775018;border:1px solid #efd8b5;font-size:13px}.empty-state{padding:28px;text-align:center;color:var(--muted)}.mobile-menu{display:none}.mobile-menu.is-open{display:grid;gap:10px;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}
/* Markdown output */
.markdown-body{font-size:15px;line-height:1.75;overflow-wrap:anywhere}.markdown-body h1,.markdown-body h2,.markdown-body h3{line-height:1.3;margin:1.1em 0 .45em}.markdown-body p{margin:.5em 0}.markdown-body ul,.markdown-body ol{padding-left:1.5em}.markdown-body pre{overflow:auto;padding:14px;background:#f1f5f6;border:1px solid var(--line);border-radius:8px}.markdown-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.91em}.markdown-body :not(pre)>code{background:#edf2f4;padding:2px 5px;border-radius:4px}.markdown-body table{border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;white-space:normal}.markdown-body th,.markdown-body td{border:1px solid var(--line);padding:7px 10px;text-align:left;min-width:90px}.markdown-body th{background:#f1f6f7}.markdown-body blockquote{border-left:3px solid #7aaab2;margin:12px 0;padding:2px 14px;color:var(--muted)}.markdown-body a{color:var(--brand);text-decoration:underline}.markdown-body img{max-width:100%;height:auto;border-radius:8px}.markdown-body .katex-display{overflow-x:auto;overflow-y:hidden;padding:5px 0}
@media(max-width:900px){.nav-links{gap:14px}.container{width:min(100% - 32px,1180px)}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar-inner{gap:16px}}@media(max-width:760px){.topbar{height:60px}.nav-links,.top-actions .desktop-login{display:none}.mobile-toggle{display:inline-flex}.top-actions{margin-left:auto}.hero{padding:56px 0}.hero::after{right:-180px;top:5px;opacity:.08}.grid-3,.grid-2{grid-template-columns:1fr}.section{padding:54px 0}.project-panel{grid-template-columns:1fr}.cta-panel{align-items:flex-start;flex-direction:column;padding:26px}.page-shell{padding-top:24px}.container{width:calc(100% - 28px)}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

[hidden]{display:none!important}
.local-mode-pill{display:inline-flex;align-items:center;border:1px solid #d6e5df;border-radius:99px;padding:6px 11px;background:#f2f8f4;color:#24724d;font-size:12px;font-weight:700;white-space:nowrap}