:root{--paper:#fbfaf6;--ink:#26473b;--muted:#657468;--line:#dce2d5;--green:#315747;--mint:#edf2e7;--peach:#f4eae1;--cream:#f2eee0}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a,button,select{touch-action:manipulation}button,select{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid #ad784e;outline-offset:5px}p{color:var(--muted);margin:0 0 22px}h1,h2,h3{font-weight:500;line-height:1.5;margin:0 0 22px;letter-spacing:-.025em}h1{font-size:52px}h2{font-size:32px}h3{font-size:22px}img{display:block;max-width:100%}.wrap{max-width:1192px;margin:auto;padding-left:32px;padding-right:32px}.site-header{min-height:100px;display:flex;align-items:center;gap:32px;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;letter-spacing:-.04em}.brand b{font-weight:400;font-size:18px}.site-header nav{display:flex;align-items:center;gap:28px;font-size:14px}.site-header a:hover,.text-link:hover{color:#789164}.site-header nav [aria-current=page]{border-bottom:2px solid #77916b;padding-bottom:5px}.nav-demo{border:1px solid var(--line);border-radius:40px;padding:10px 19px;font-size:13px;display:flex;gap:25px;white-space:nowrap}.menu-toggle{display:none}.skip{position:fixed;top:-100px;z-index:100;padding:10px;background:white}.skip:focus{top:10px}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:85px;align-items:center;padding-top:45px;padding-bottom:70px;min-height:650px}.hero h1{font-size:clamp(44px,4.5vw,61px);line-height:1.5;letter-spacing:.01em}.serif{font-family:"Songti SC",SimSun,serif;color:#74866b}.pill{display:inline-flex;align-items:center;gap:9px;border-radius:30px;background:#eaf0e5;padding:7px 14px;font-size:12px;color:#516c4a;margin-bottom:25px}.dot{width:6px;height:6px;display:inline-block;border-radius:50%;background:#719166;flex-shrink:0}.lead{font-size:17px;line-height:2.1}.actions{display:flex;align-items:center;gap:26px;margin:28px 0 18px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;min-height:49px;border:1px solid var(--green);border-radius:14px;background:var(--green);color:#fff;padding:12px 22px;font-size:14px;transition:background .15s,transform .15s}.button:hover{background:#244333;transform:translateY(-1px)}.text-link{display:inline-flex;gap:10px;border-bottom:1px solid #acbba7;padding-bottom:4px;font-size:14px}.micro{font-size:12px;line-height:1.8;color:#798473}.hero-art{border-radius:155px 155px 24px 24px;background:#eee8da;min-height:485px;position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;justify-content:center;padding:35px 30px}.orb{position:absolute;width:490px;height:490px;left:-35px;top:15px;border-radius:50%;background:radial-gradient(ellipse at 25% 20%,#f6e8cf 0%,#e6d9b9 32%,#bfcfb0 64%,#e5ebdb 85%);z-index:-1}.hero-art:after{content:"";position:absolute;width:380px;height:380px;border:1px solid #ffffff80;top:50px;left:50px;border-radius:50%;z-index:-1}.art-label{position:absolute;top:48px;align-self:center;font-size:12px;letter-spacing:.17em;color:#6e775f}.sample-chat{border:1px solid #fff;border-radius:20px;background:#fffefbf2;padding:23px 20px;margin-top:55px;box-shadow:0 20px 35px #405b3514;transform:rotate(-1.5deg)}.sample-head,.demo-head{display:flex;align-items:center;gap:11px;margin-bottom:23px}.initial{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e6eddd;color:#607655;font-size:15px;flex-shrink:0}.sample-head b,.demo-head b{font-weight:500;font-size:15px;display:block;line-height:1.6}.sample-head small,.demo-head small{display:block;font-size:11px;color:#7c8876;line-height:1.5}.tag{display:inline-flex;font-size:11px;line-height:1.6;padding:3px 10px;border:1px solid var(--line);border-radius:30px;color:#74806b;background:#f7f8f1;white-space:nowrap}.sample-head .tag,.demo-head .tag{margin-left:auto}.bubble{max-width:88%;padding:11px 14px;font-size:14px;line-height:1.85;margin-bottom:15px;width:fit-content;overflow-wrap:anywhere}.bubble.user{background:#e9f0e2;border-radius:14px 14px 2px 14px;margin-left:auto;color:#43593b}.bubble.bot{background:#f3f0e8;border-radius:14px 14px 14px 2px;color:#435447}.sample-foot{border-top:1px solid #e7eadf;padding-top:13px;font-size:11px;color:#7f8976}.art-foot{font-family:"Songti SC",serif;text-align:center;font-size:13px;color:#5f724f;margin:24px 0 0}.principles{display:flex;justify-content:space-around;gap:18px;border-block:1px solid var(--line);padding-top:21px;padding-bottom:21px;font-size:13px;color:#6c7c61}.section{padding-top:76px;padding-bottom:76px}.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:36px}.section-heading h2{margin:0;font-size:30px}.section-heading>p{font-size:14px;margin:0}.eyebrow{font-size:12px;font-weight:500;letter-spacing:.12em;color:#768669;margin-bottom:16px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature{padding:28px;border:1px solid var(--line);border-radius:20px;display:flex;flex-direction:column;align-items:flex-start}.mint{background:var(--mint)}.peach{background:var(--peach)}.cream{background:var(--cream)}.sand{background:#edece4}.number{font-size:12px;color:#768569;letter-spacing:.06em}.feature h3{font-size:24px;margin:23px 0 16px}.feature p{font-size:14px;line-height:1.95;flex:1}.band{background:#edf1e6}.approach{display:grid;grid-template-columns:1fr 1.2fr;gap:85px;padding-top:70px;padding-bottom:70px}.approach h2{font-size:36px}.approach-list article{display:flex;gap:23px;border-bottom:1px solid #d7e0cf;padding:12px 0 24px;margin-bottom:14px}.approach-list article:last-child{border:0;margin:0;padding-bottom:0}.approach-list article>span{font-size:12px;color:#839573;padding-top:7px}.approach-list h3{font-size:20px;margin:0 0 9px}.approach-list p{font-size:14px;margin:0}.closing{margin-top:70px;margin-bottom:70px;background:#f3eade;text-align:center;padding-top:48px;padding-bottom:53px;border-radius:24px;max-width:1128px}.closing h2{font-size:32px}.closing p{font-size:15px}.site-footer{padding-bottom:30px}.footer-top{border-bottom:1px solid var(--line);padding:5px 0 28px;display:flex;justify-content:space-between;align-items:center;gap:30px}.footer-top p{font-size:12px;margin:0}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:22px 0 10px;font-size:12px;color:#798574}.footer-bottom div{display:flex;gap:23px}.fineprint{font-size:11px;margin:6px 0 0;color:#7f8978}.page-intro{padding-top:70px;padding-bottom:46px}.page-intro h1{font-size:48px;line-height:1.6}.page-intro .lead{max-width:800px}.split{display:grid;grid-template-columns:1fr 1.1fr;gap:80px}.split .section-heading{align-items:start}.prose p{font-size:15px;line-height:2.05}.prose h3{margin-top:35px}.prose{max-width:1000px}.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:35px}.status-grid article{border-top:1px solid #cad5be;padding-top:22px}.status-grid h3{margin:20px 0 12px}.status-grid p{font-size:14px}.pending{background:#f3e7d6;border-color:#d8c4a6;color:#806545}.persona-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-top:15px;padding-bottom:25px}.persona{border:1px solid var(--line);border-radius:22px;padding:35px}.persona h2{font-size:28px;margin-top:20px}.persona p{font-size:15px}.persona blockquote{font-size:16px;color:#425b47;border-left:2px solid #9baa88;margin:25px 0 0;padding-left:18px}.inline-note{font-size:13px;color:#73806c;padding-top:15px}.flow{display:flex;align-items:center;gap:25px;margin-top:38px}.flow article{flex:1;border-top:1px solid var(--line);padding-top:22px}.flow article>span{font-size:12px;color:#788a6b}.flow h3{margin:17px 0 12px}.flow p{font-size:14px;margin:0}.flow-arrow{color:#95a486}.metrics{display:grid;grid-template-columns:1fr 1fr;margin:0 0 20px;gap:25px}.metrics>div{border-top:1px solid #cdd7c3;padding-top:16px}.metrics dt{font-size:13px;color:#718065}.metrics dd{font-size:38px;margin:10px 0 0;line-height:1.5}.metrics small{font-size:13px}.metrics dd.metric-word{font-size:25px}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;padding-top:25px}.safety-grid article{border-top:1px solid var(--line);padding-top:25px}.safety-grid h2{font-size:25px;margin-top:18px}.safety-grid p{font-size:14px;line-height:2}.demo-layout{display:grid;grid-template-columns:310px 1fr;gap:45px;padding-top:20px}.demo-controls>div{margin-bottom:28px}.control-title{font-size:13px;color:#6e7e63;display:block;margin-bottom:13px}.scenario-options{display:flex;flex-direction:column;gap:10px}.scenario-options button{padding:12px 15px;text-align:left;border:1px solid var(--line);background:#fffefa;border-radius:12px;font-size:14px;color:#53674b;min-height:47px}.scenario-options button[aria-pressed=true]{background:#e9efdf;border-color:#94a982;box-shadow:inset 3px 0 #789766}select{width:100%;padding:12px 15px;border:1px solid #b6c5aa;background:#fffefa;border-radius:12px;color:var(--ink);min-height:48px}.demo-disclosure{display:flex;align-items:start;gap:10px;padding:17px;background:#f0eddf;border-radius:14px}.demo-disclosure>.dot{margin-top:9px}.demo-disclosure b{font-weight:500;font-size:13px}.demo-disclosure p{font-size:12px;line-height:1.8;margin:7px 0 0}.demo-controls .text-link{font-size:12px}.demo-window{background:#fffefa;border:1px solid var(--line);border-radius:22px;padding:28px;min-width:0;display:flex;flex-direction:column}.demo-head{padding-bottom:20px;border-bottom:1px solid #e6e9dc}.transcript{min-height:260px;flex:1;display:flex;flex-direction:column;justify-content:flex-start}.transcript .bubble{margin-bottom:20px;font-size:15px;max-width:88%;white-space:pre-line}.demo-toolbar{display:flex;align-items:center;gap:20px;margin:10px 0 16px}.text-button{border:0;border-bottom:1px solid #aebba3;background:none;color:#607453;font-size:13px;padding:5px 0;min-height:40px}.demo-caption{font-size:11px;color:#7b8672;border-top:1px solid #e8ebdf;padding-top:16px;margin:0}.demo-caption a{border-bottom:1px solid #abb79d}.three-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.three-notes h3{font-size:19px}.three-notes p{font-size:14px}.pending-panel{max-width:950px;margin-bottom:100px;padding-top:25px;padding-bottom:40px}.pending-panel h2{font-size:27px;margin-top:25px}.pending-panel p{font-size:15px}
@media(max-width:950px){.site-header{gap:20px}.site-header nav{gap:17px;font-size:13px}.brand{font-size:19px}.brand b{font-size:16px}.hero{gap:35px}.hero h1{font-size:48px}.hero-art{padding:30px 20px}.approach,.split{gap:40px}.demo-layout{grid-template-columns:260px 1fr;gap:25px}.feature{padding:24px}.feature h3{font-size:22px}}
@media(max-width:700px){.wrap{padding-left:22px;padding-right:22px}.site-header{flex-wrap:wrap;padding-top:18px;padding-bottom:16px;min-height:86px;gap:16px}.brand{font-size:20px}.brand b{font-size:16px}.brand img{width:29px;height:29px}.menu-toggle{display:flex;align-items:center;gap:9px;margin-left:auto;border:0;background:none;font-size:13px;color:var(--ink);padding:7px;min-height:40px}.nav-demo{padding:8px 12px;font-size:12px;gap:9px}.site-header nav{display:none;order:4;width:100%;padding:10px 0 0;border-top:1px solid var(--line);gap:9px;flex-wrap:wrap}.site-header nav.open{display:flex}.site-header nav a{padding:6px 10px;font-size:13px}.site-header nav [aria-current=page]{padding-bottom:6px}.hero{grid-template-columns:1fr;padding-top:25px;padding-bottom:38px;gap:26px;min-height:0}.hero h1{font-size:43px;line-height:1.55;margin-bottom:20px}.lead{font-size:15px}.hero .actions{gap:22px;margin-top:25px}.hero-art{min-height:395px;border-radius:130px 130px 20px 20px;padding:25px 23px}.orb{width:470px;height:470px;left:-25px;top:5px}.hero-art:after{left:30px;top:35px}.art-label{top:35px;font-size:11px}.sample-chat{margin-top:50px;padding:20px 17px}.sample-head{margin-bottom:18px}.bubble{font-size:13px}.sample-foot{font-size:10px}.art-foot{font-size:12px;margin-top:20px}.principles{display:grid;grid-template-columns:1fr 1fr;text-align:center;gap:10px;font-size:11px;padding-top:18px;padding-bottom:18px}.section{padding-top:48px;padding-bottom:48px}.section-heading{display:block;margin-bottom:25px}.section-heading h2{font-size:25px}.section-heading>p{margin-top:15px;font-size:13px}.eyebrow{font-size:11px}.feature-grid{grid-template-columns:1fr;gap:15px}.feature{padding:26px}.feature h3{font-size:23px;margin-top:18px}.feature h3 br{display:none}.feature p{min-height:0}.approach{grid-template-columns:1fr;gap:30px;padding-top:45px;padding-bottom:45px}.approach h2{font-size:30px}.approach-list h3{font-size:18px}.approach-list p{font-size:14px}.closing{margin:45px 15px;padding:35px 22px}.closing h2{font-size:26px}.closing p{font-size:14px}.footer-top,.footer-bottom{display:block}.footer-top p{margin-top:17px;font-size:11px}.footer-bottom{font-size:11px}.footer-bottom div{gap:19px;flex-wrap:wrap;margin-top:13px}.fineprint{font-size:10px}.page-intro{padding-top:32px;padding-bottom:25px}.page-intro h1{font-size:34px;line-height:1.6}.page-intro .lead{font-size:14px}.split{grid-template-columns:1fr;gap:22px}.split .section-heading{margin-bottom:0}.prose p{font-size:14px}.status-grid{grid-template-columns:1fr;gap:25px}.status-grid h3{font-size:21px}.persona-grid{grid-template-columns:1fr;gap:17px}.persona{padding:27px}.persona h2{font-size:25px}.persona p{font-size:14px}.persona blockquote{font-size:15px}.inline-note{font-size:12px}.flow{flex-direction:column;align-items:stretch;gap:15px;margin-top:25px}.flow article{padding-top:18px}.flow-arrow{transform:rotate(90deg);align-self:center;line-height:1}.flow h3{font-size:21px;margin-top:12px}.metrics dd{font-size:33px}.metrics dd.metric-word{font-size:22px}.safety-grid{grid-template-columns:1fr;gap:30px;padding-top:20px}.safety-grid h2{font-size:24px}.demo-layout{grid-template-columns:1fr;gap:25px;padding-top:5px}.scenario-options{gap:8px}.demo-controls>div{margin-bottom:20px}.demo-window{padding:22px 17px;border-radius:18px}.demo-head .tag{font-size:10px}.transcript .bubble{font-size:14px;max-width:94%}.transcript{min-height:220px}.demo-toolbar{flex-wrap:wrap;gap:15px}.demo-toolbar .button{font-size:13px;gap:12px}.demo-caption{font-size:10px}.three-notes{grid-template-columns:1fr;gap:12px}.three-notes h3{margin-bottom:10px}.pending-panel{margin-bottom:55px}.pending-panel h2{font-size:24px}.pending-panel p{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}