:root{--paper:#f8f7f2;--ink:#193e34;--muted:#5b665f;--line:#dedfd5;--lime:#d4f3a3;--green:#265b46;--white:#fffefa;font-family:"Microsoft YaHei UI","Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0}p,h1,h2,h3,figure{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #688f35;outline-offset:5px}button:disabled{cursor:progress;opacity:.6}svg{display:block}svg path{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}.wrap{max-width:1320px;padding-left:64px;padding-right:64px;margin:auto}.skip-link{position:absolute;top:-80px;left:24px;background:var(--ink);color:var(--white);padding:14px 20px;z-index:10}.skip-link:focus{top:12px}.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:650;letter-spacing:1px;white-space:nowrap}.brand img{display:block}.site-header nav{display:flex;gap:36px;font-size:13px;color:var(--muted)}.site-header nav a:hover{color:var(--ink)}.header-download{display:flex;gap:23px;align-items:center;min-height:42px;border:1px solid var(--line);padding:0 17px;font-size:12px;border-radius:5px}.header-download:hover{border-color:var(--ink)}
.hero{text-align:center;padding-top:80px;padding-bottom:0}.eyebrow{font-size:12px;letter-spacing:1.4px;line-height:1.6;font-weight:500}.hero .eyebrow{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--green)}.hero .eyebrow>span{width:6px;height:6px;border-radius:50%;background:var(--green)}h1{font-size:clamp(54px,6.5vw,90px);line-height:1.35;font-weight:650;letter-spacing:-3px;margin:25px 0 28px}.agent-word{font-family:Arial,system-ui,sans-serif;font-weight:600;letter-spacing:-4px}.world-word{position:relative;z-index:0;white-space:nowrap}.world-word::after{content:"";position:absolute;z-index:-1;left:-4%;bottom:9%;width:107%;height:25%;background:var(--lime);transform:rotate(-2deg);border-radius:2px}.hero-description{color:var(--muted);font-size:17px;line-height:1.95}.hero-actions{display:flex;justify-content:center;align-items:center;gap:28px;margin-top:31px}.button{display:inline-flex;align-items:center;justify-content:center;gap:13px;min-height:54px;padding:0 25px;border:0;border-radius:5px;font-size:13px;font-weight:550;cursor:pointer;transition:background .15s}.button svg{width:19px;height:19px;flex:none}.primary{color:var(--white);background:var(--ink)}.primary:hover{background:#2c604c}.text-link{display:flex;align-items:center;gap:14px;font-size:12px}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.release-note{font-size:10px;color:var(--muted);line-height:1.8;margin-top:16px}.hero-end{display:flex;gap:26px;justify-content:center;align-items:center;margin-top:72px;color:var(--muted);font-size:12px}.hero-end>span{height:1px;background:var(--line);flex:1}.hero-end p{flex:none;line-height:1.8}
.paradigm{padding-top:102px;padding-bottom:83px}.section-heading{display:grid;grid-template-columns:1fr 1.9fr;gap:36px;align-items:start;margin-bottom:44px}.section-heading .eyebrow{padding-top:10px;color:var(--muted)}h2{font-size:clamp(33px,3.6vw,46px);line-height:1.5;font-weight:550;letter-spacing:-1.3px}.route-panel{padding:34px 40px 25px;border-radius:10px;border:1px solid var(--line)}.route-heading{display:grid;grid-template-columns:130px 1fr;gap:8px 24px}.route-tag{display:flex;align-items:center;align-self:start;justify-self:start;min-height:29px;padding:0 12px;border-radius:4px;font-size:11px;border:1px solid #ced0c7;color:var(--muted)}.route-heading h3{font-size:22px;line-height:1.55;font-weight:550;letter-spacing:-.3px}.route-heading p{grid-column:2;color:var(--muted);font-size:12px;line-height:1.9}.route{list-style:none;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:38px;margin:38px 0 22px}.route-node{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center;min-width:0}.node-icon{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;width:65px;height:65px;border-radius:15px;background:var(--white);border:1px solid #d3d8ce;margin-bottom:14px;font-size:17px}.node-icon svg{width:29px;height:29px}.route-node strong{font-size:13px;font-weight:550;line-height:1.6;white-space:nowrap}.route-node small{font-size:10px;line-height:1.7;margin-top:4px;color:var(--muted)}.route-node:not(:last-child)::after{content:"↔";position:absolute;width:calc(100% - 10px);left:calc(50% + 39px);top:22px;border:0;background:repeating-linear-gradient(to right,#bac0b5 0 2px,transparent 2px 4px) center/100% 1px no-repeat;color:#788073;font-size:18px;line-height:22px;height:22px;text-align:center;text-shadow:-3px 0 var(--paper),3px 0 var(--paper);padding-top:0}.past{background:#f0f0e9;color:#666c62}.past .route-tag{background:#e8e9e1}.past .node-icon{background:#f8f8f2}.past .route-node:not(:last-child)::after{text-shadow:-3px 0 #f0f0e9,3px 0 #f0f0e9}.past .human-node .node-icon{border-color:#c7b8a6;background:#ebe4d9;color:#655340}.past .im-node .node-icon{background:#e3e6dc}.route-conclusion{border-top:1px solid #d8dcd0;padding-top:16px;font-size:11px;line-height:1.8;color:var(--muted);display:flex;gap:12px;align-items:baseline}.route-conclusion>span{font-size:17px}.present{margin-top:17px;background:#eaf0df;border-color:#d5dfc6}.present .route-tag{color:var(--ink);background:#d6e6bf;border:1px solid #baccab}.present .route-node:not(:last-child)::after{background:linear-gradient(#8aa471,#8aa471) center/100% 1px no-repeat;color:#547143;text-shadow:-3px 0 #eaf0df,3px 0 #eaf0df}.present .agent-node .node-icon{color:var(--ink);border-color:#9db98b;background:#f8fcef}.present .human-node .node-icon{border-radius:50%;width:55px;height:55px;margin-top:5px;margin-bottom:19px;background:transparent;color:var(--green);border-color:#b0c2a2;font-size:14px}.present .bridge-node .node-icon{border:0;background:transparent;overflow:hidden}.bridge-node img{width:65px;height:65px}.present .route-conclusion{color:var(--ink);border-color:#cddab9}.paradigm-note{font-size:11px;color:var(--muted);line-height:1.9;margin-top:19px;text-align:center}.paradigm-note span{color:var(--ink)}
.belief{background:var(--ink);color:var(--white);position:relative;overflow:hidden}.belief-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:100px;padding-top:83px;padding-bottom:87px}.belief .eyebrow{color:#d1decb}.belief h2{font-size:43px;line-height:1.5;font-weight:500;margin-top:23px;letter-spacing:-1px}.belief h2>span{color:var(--lime)}.belief-copy{padding-top:41px;font-size:14px;line-height:2.05;color:#d1decb}.belief-copy>p+p{margin-top:25px}.belief-copy .belief-principle{margin-top:32px;padding-top:25px;border-top:1px solid #4c6b5d;color:var(--white);font-size:15px;line-height:2}
.download{padding-top:94px;padding-bottom:80px;text-align:center}.download .eyebrow{color:var(--muted)}.download h2{font-size:52px;font-weight:550;line-height:1.45;margin:22px 0 30px;letter-spacing:-1.6px}.download .button{min-width:253px}.download .button>span{margin-left:13px}.download-meta{font-size:11px;line-height:1.8;color:var(--muted);margin-top:17px}.account-note{font-size:10px;color:var(--muted);line-height:1.8;margin-top:5px}.usage-details{margin:36px auto 0;max-width:670px;text-align:left;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:11px}.usage-details summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:52px;cursor:pointer;list-style:none;color:var(--muted)}summary::-webkit-details-marker{display:none}.usage-details summary>span{font-size:19px;font-weight:300;transition:transform .15s}.usage-details[open] summary>span{transform:rotate(45deg)}.usage-content{padding:0 0 22px;color:var(--muted);font-size:11px;line-height:1.9}.usage-content p+p{margin-top:13px}.usage-content code{display:block;overflow-wrap:anywhere;font-size:10px;line-height:1.7;margin:7px 0 11px}.usage-content a{text-decoration:underline;text-underline-offset:4px}.checksum-label{font-size:10px}footer{border-top:1px solid var(--line);min-height:99px;display:flex;align-items:center;justify-content:space-between;gap:24px}footer .brand{font-size:15px;gap:9px}footer p{font-size:11px;color:var(--muted)}footer small{font-size:10px;color:var(--muted)}
.installer-progress{max-width:650px;margin:13px auto 0;font-size:11px;line-height:1.9;color:var(--muted);overflow-wrap:anywhere}.installer-progress:has(p:empty){display:none}.installer-controls{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:6px}.installer-controls button{font:inherit;color:inherit;border:0;background:transparent;padding:0;cursor:pointer}.installer-controls button,.installer-controls a{text-decoration:underline;text-underline-offset:4px}.installer-controls a{cursor:pointer}noscript{display:block;margin-top:12px;font-size:11px;color:var(--muted)}
@media(min-width:1500px){.hero{padding-top:95px}h1{font-size:92px}.hero-end{margin-top:85px}}
@media(max-width:1100px){.wrap{padding-left:40px;padding-right:40px}.hero{padding-top:60px}h1{font-size:68px}.route-panel{padding:30px 28px 23px}.route-heading{grid-template-columns:110px 1fr}.route{gap:23px}.route-node:not(:last-child)::after{width:calc(100% - 17px)}.belief-inner{gap:50px}.belief h2{font-size:36px}.belief-copy{font-size:12px}.belief-copy .belief-principle{font-size:13px}}
@media(max-width:760px){.wrap{padding-left:24px;padding-right:24px}.site-header{height:82px;gap:15px}.brand{font-size:17px;gap:9px}.brand img{width:33px;height:33px}.site-header nav{display:none}.header-download{min-height:36px;font-size:10px;gap:13px;padding:0 12px}.hero{padding-top:42px}h1{font-size:clamp(35px,8.2vw,58px);letter-spacing:-1px;line-height:1.5;margin:20px 0 22px}.agent-word{letter-spacing:-1.5px}.hero .eyebrow{font-size:10px;letter-spacing:.8px}.hero-description{font-size:13px;line-height:1.95}.hero-actions{margin-top:24px;gap:19px}.button{padding:0 18px;font-size:11px;gap:10px;min-height:48px}.button svg{width:17px;height:17px}.text-link{font-size:10px;gap:9px}.release-note{font-size:9px;max-width:295px;margin:14px auto 0}.hero-end{gap:13px;margin-top:44px;font-size:10px}.hero-end p{max-width:237px}.paradigm{padding-top:58px;padding-bottom:48px}.section-heading{grid-template-columns:1fr;gap:15px;margin-bottom:27px}.section-heading .eyebrow{padding:0;font-size:11px}h2{font-size:29px;line-height:1.6;letter-spacing:-.8px}.route-panel{padding:25px 24px 20px}.route-heading{grid-template-columns:1fr;gap:12px}.route-tag{min-height:25px;font-size:10px;padding:0 9px}.route-heading h3{font-size:17px;line-height:1.7}.route-heading p{grid-column:1;font-size:11px;line-height:1.9}.desktop-break{display:none}.route{grid-template-columns:1fr;gap:28px;margin:28px 0 23px}.route-node{display:grid;grid-template-columns:49px 1fr;grid-template-rows:auto auto;text-align:left;column-gap:17px;align-items:center;width:100%;min-height:49px}.node-icon{grid-column:1;grid-row:1/3;width:49px;height:49px;border-radius:11px;margin:0;font-size:14px}.node-icon svg{width:23px;height:23px}.route-node strong{grid-column:2;grid-row:1;font-size:12px;align-self:end;white-space:normal}.route-node small{grid-column:2;grid-row:2;font-size:10px;margin-top:0;align-self:start}.route-node:not(:last-child)::after{content:"↕";left:24px;top:53px;width:1px;height:22px;border-top:0;background:none;border-left:1px dashed #bac0b5;font-size:15px;line-height:22px;text-align:center;transform:translateX(-50%);text-shadow:-4px 0 #f0f0e9,4px 0 #f0f0e9}.present .route-node:not(:last-child)::after{background:none;border-left-style:solid;border-left-color:#8aa471}.present .human-node .node-icon{width:43px;height:43px;margin:0 3px;font-size:12px}.bridge-node img{width:49px;height:49px}.present .bridge-node .node-icon{width:49px;height:49px}.route-conclusion{font-size:10px;gap:9px;padding-top:13px}.present{margin-top:14px}.paradigm-note{text-align:left;font-size:10px;margin-top:15px}.belief-inner{grid-template-columns:1fr;gap:28px;padding-top:48px;padding-bottom:48px}.belief h2{font-size:30px;line-height:1.6;letter-spacing:-.5px;margin-top:18px}.belief .eyebrow{font-size:11px}.belief-copy{padding-top:0;font-size:12px;line-height:2}.belief-copy>p+p{margin-top:17px}.belief-copy .belief-principle{margin-top:23px;padding-top:19px;font-size:13px}.download{padding-top:54px;padding-bottom:48px}.download .eyebrow{font-size:11px}.download h2{font-size:35px;line-height:1.5;margin:19px 0 25px;letter-spacing:-.8px}.download-meta{font-size:10px;margin-top:15px}.account-note{font-size:9px;margin-top:7px;max-width:285px;margin-left:auto;margin-right:auto}.usage-details{margin-top:27px;font-size:10px}.usage-content{font-size:10px}.usage-content code{font-size:9px}.installer-progress{font-size:10px}footer{flex-wrap:wrap;justify-content:flex-start;min-height:126px;gap:16px 20px;padding-top:24px;padding-bottom:25px}footer .brand{font-size:14px}footer p{font-size:9px;margin-left:auto}footer small{font-size:9px;width:100%}}
@media(max-width:370px){.wrap{padding-left:19px;padding-right:19px}.hero-actions{flex-direction:column;gap:16px}.route-panel{padding-left:20px;padding-right:20px}.hero-end p{max-width:190px}footer p{width:100%;margin:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}