:root{--ink:#191a23;--text-body:#333333;--text-secondary:#5a5a5a;--muted:#808080;--accent:#28b894;--accent-strong:#1a9e7f;--accent-soft:#f1fbf7;--line:#e8edeb;--paper:#fff;--ease:cubic-bezier(.22,1,.36,1);font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;min-width:320px;-webkit-font-smoothing:antialiased}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{cursor:default}button:focus-visible,a:focus-visible,textarea:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid #91dfc2;outline-offset:5px}::selection{background:#e3f7f0;color:var(--text-body)}h1,h2,h3,h4,p{margin:0}svg{flex-shrink:0}.icon{height:22px;width:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:20px;z-index:100;background:#fff;border:2px solid var(--accent);padding:12px}.skip-link:focus{top:14px}.mobile-break{display:none}[hidden]{display:none!important}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);border-bottom:1px solid transparent;backdrop-filter:blur(18px);transition:border-color .25s}.site-header.scrolled{border-color:var(--line)}.nav{height:84px;display:flex;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:25px;font-weight:720;letter-spacing:-.8px}.brand-ai{font-size:24px;margin-left:4px;letter-spacing:-1.2px}.brand-mark{width:39px;height:39px;border-radius:12px;background:var(--accent);color:#fff;display:inline-grid;place-items:center;font-size:25px;font-weight:600;letter-spacing:0;box-shadow:inset 0 0 0 1px #ffffff26;flex-shrink:0}.brand-mark.small{width:28px;height:28px;font-size:18px;border-radius:8px}.brand-mark.tiny{width:26px;height:26px;font-size:17px;border-radius:8px}.nav-links{display:flex;gap:31px;align-items:center;margin-inline:auto;font-size:14px;font-weight:500}.nav-links a{color:var(--ink);padding-block:10px;transition:color .2s}.nav-links a:hover{color:var(--ink)}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid transparent;border-radius:10px;font-size:16px;font-weight:550;min-height:54px;padding:0 25px;transition:transform .2s,box-shadow .2s,background .2s}.button:hover{transform:translateY(-2px)}.nav-cta{background:var(--ink);color:#fff;min-height:40px;font-size:14px;padding:0 17px;border-radius:8px;gap:9px}.nav-cta .icon{width:17px;height:17px}.button-primary{background:var(--ink);color:#fff;box-shadow:0 3px 5px #181c1b0a}.button-primary:hover,.nav-cta:hover{background:#333d39;box-shadow:0 6px 16px #181c1b1a}.button-secondary{background:#fff;color:var(--text-body);border-color:#dde4e1}.button-secondary:hover{background:#f7faf9}.button-secondary .icon{width:19px;height:19px}.menu-toggle{display:none}
.hero{padding-top:64px;position:relative;background:radial-gradient(ellipse 63% 28% at 50% 95%,#e4f7f0bb,transparent 100%),#fff}.hero-content{text-align:center;position:relative}.eyebrow-pill{display:inline-flex;align-items:center;gap:8px;color:var(--text-body);font-size:14px;line-height:1.5;border:1px solid #dff5ed;border-radius:30px;padding:7px 14px;background:#f8fdfb}.eyebrow-pill .icon{color:var(--ink);width:16px;height:16px}.hero h1{font-size:clamp(45px,5.5vw,76px);line-height:1.24;letter-spacing:-3.5px;font-weight:720;margin-top:27px}.hero h1>span{color:var(--ink)}.hero-description{font-size:17px;line-height:1.95;color:var(--text-body);margin-top:23px;letter-spacing:.2px}.hero-actions{display:flex;justify-content:center;gap:14px;margin-top:29px}.hero-caption{font-size:13px;color:var(--text-secondary);margin-top:17px;letter-spacing:.4px}.demo-outer{margin-top:56px;padding-bottom:36px;position:relative}.demo-tabs{display:flex;gap:9px;justify-content:center;margin-bottom:22px}.demo-tab{padding:12px 24px;display:flex;gap:9px;align-items:center;border:1px solid transparent;background:transparent;font-size:15px;white-space:nowrap;color:var(--text-body);border-radius:9px;transition:all .2s}.demo-tab .icon{width:19px;height:19px}.demo-tab:hover{background:#f0faf6}.demo-tab.active{background:#fff;color:var(--ink);border-color:#dff4ec;box-shadow:0 4px 16px #39a87f10}.workspace{background:#fff;border:1px solid #dcede7;border-radius:16px;box-shadow:0 25px 80px -35px #33ac804a,0 0 0 7px #e9f9f375;overflow:hidden;text-align:left}.window-bar{height:43px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 19px;font-size:12px;color:var(--text-secondary);position:relative;background:#fdfefe}.window-dots{display:flex;gap:6px;width:128px}.window-dots i{width:8px;height:8px;border-radius:50%;background:#e3ebe8}.window-dots i:first-child{background:#f5b7b4}.window-dots i:nth-child(2){background:#f3d298}.window-dots i:nth-child(3){background:#b5d9bf}.demo-label{font-size:12px;color:var(--text-secondary)}.workspace-body{display:grid;grid-template-columns:180px minmax(0,1.1fr) minmax(0,1fr);min-height:487px}.workspace-sidebar{background:#f8fcfb;border-right:1px solid var(--line);padding:23px 14px 18px;display:flex;flex-direction:column;font-size:13px}.mini-brand{font-weight:650;display:flex;align-items:center;gap:8px;font-size:15px;margin-bottom:24px}.sidebar-new{display:flex;gap:7px;align-items:center;background:#fff;border:1px solid #e1efea;border-radius:7px;padding:10px 8px;font-size:12px;color:var(--text-body);margin-bottom:18px}.sidebar-new .icon{width:16px;height:16px}.sidebar-item{display:flex;align-items:center;gap:8px;font-size:12px;padding:11px 7px;margin-bottom:3px;color:var(--text-secondary);border-radius:6px}.sidebar-item .icon{width:16px;height:16px}.sidebar-item.selected{background:#effaf6;color:var(--text-secondary)}.sidebar-title{font-size:12px;color:var(--text-secondary);margin:23px 7px 13px}.customer-item{display:flex;align-items:center;gap:7px;font-size:12px;line-height:1.7;padding:0 4px;white-space:nowrap}.customer-avatar{background:#e6f8f1;color:var(--text-secondary);width:25px;height:25px;border-radius:7px;display:grid;place-items:center;font-size:12px}.customer-item small,.sidebar-bottom small{font-size:12px;color:var(--text-secondary);display:block}.sidebar-bottom{margin-top:auto;padding-top:35px;display:flex;gap:8px;align-items:center;font-size:12px;color:var(--text-body)}.advisor-avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#e7efec;color:var(--text-secondary)}.task-conversation{padding:22px 26px 20px;display:flex;flex-direction:column;min-width:0}.task-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:var(--text-body);margin-bottom:22px}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#80b699;margin-right:5px}.task-meta{color:var(--text-secondary);font-size:12px}.user-message{background:#f1f9f6;padding:13px 15px;border-radius:11px 11px 2px 11px;line-height:1.8;font-size:14px;color:var(--text-body);align-self:flex-end;max-width:96%}.attachment{display:flex;align-items:center;gap:9px;border:1px solid #e7f1ed;border-radius:8px;padding:10px 11px;max-width:93%;margin:12px 0 22px;align-self:flex-end;width:285px}.attachment b{font-size:12px;font-weight:550;display:block;line-height:1.7}.attachment small{font-size:12px;color:var(--text-secondary);display:block;line-height:1.6}.attachment-type{margin-left:auto;font-size:12px;color:var(--text-secondary)}.file-icon{display:grid;place-items:center;width:32px;height:38px;border-radius:6px;flex-shrink:0}.file-icon .icon{width:19px;height:19px}.file-icon.blue{background:#f1fbf7;color:var(--text-secondary)}.file-icon.amber{background:#fff4df;color:#c29541}.assistant-heading{display:flex;align-items:center;gap:8px;font-size:13px}.assistant-heading>b{font-weight:600}.assistant-heading>span:last-child{font-size:12px;color:var(--text-secondary);margin-left:auto}.assistant-copy{font-size:13px;color:var(--text-body);line-height:1.9;margin:12px 0}.task-checks{padding:0;margin:0;list-style:none;color:var(--text-body);font-size:12px;display:grid;gap:9px}.task-checks li{display:flex;align-items:center;gap:9px;line-height:1.6}.task-checks li>span{font-size:12px;width:15px;height:15px;display:grid;place-items:center;border-radius:50%;background:#edf6f0;color:var(--accent);flex-shrink:0}.task-checks li.pending{color:#ad833a}.task-checks .pending>span{background:#fff3de;color:#c4994d}.task-note{display:flex;gap:7px;align-items:center;color:var(--text-secondary);font-size:12px;padding-block:16px}.task-note .icon{width:14px;height:14px}.mock-composer{margin-top:auto;border:1px solid #e3ece9;border-radius:9px;padding:13px 12px;color:var(--text-secondary);font-size:12px;display:flex;align-items:center;justify-content:space-between;gap:8px}.mock-send{width:23px;height:23px;border-radius:6px;background:#e7f4ef;color:#fff;text-align:center;font-size:17px}.result-pane{background:#f5fbf9;border-left:1px solid var(--line);padding:18px 17px 20px;min-width:0}.result-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--text-body);margin:0 1px 15px}.result-toolbar>span:first-child{display:flex;gap:5px;align-items:center}.result-toolbar .icon{width:15px;height:15px}.draft-chip{color:#b28b45;background:#fff2dc;white-space:nowrap;border-radius:4px;padding:4px 7px;font-size:12px}.draft-chip.confirmed{color:var(--accent-strong);background:#e9f5ed}.result-paper{background:#fff;border:1px solid #e6eeeb;border-radius:7px;min-height:401px;padding:23px 24px 16px;box-shadow:0 4px 10px #2b634e05;display:flex;flex-direction:column}.paper-eyebrow{font-size:12px;letter-spacing:1.6px;color:var(--text-secondary)}.result-paper h3{font-size:20px;font-weight:600;line-height:1.5;margin-top:8px;letter-spacing:-.5px}.paper-sub{font-size:12px;color:var(--text-secondary);margin-top:6px;line-height:1.7}.field-list{margin:15px 0 12px;font-size:12px}.field-list>div{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px solid #f0f5f3}.field-list dt{color:var(--text-secondary);flex-shrink:0}.field-list dd{margin:0;text-align:right;color:var(--text-body)}.field-list .needs-review{color:#b18a45}.needs-review span{border:1px solid #e8d8b5;width:13px;height:13px;display:inline-grid;place-items:center;border-radius:50%;margin-left:3px;font-size:12px}.source-block{border-left:2px solid #afe8d3;padding:7px 10px;background:#f8fdfb}.source-block>span{color:var(--text-secondary);font-size:12px}.source-block p{font-size:12px;margin-top:7px;color:var(--text-secondary)}.source-line{height:4px;width:90%;background:#e8f4f0;margin-top:8px;border-radius:2px}.source-line.short{width:64%;margin-top:5px}.review-callout{display:flex;align-items:flex-start;gap:8px;background:#fff9ee;border:1px solid #f4e8cd;padding:10px;border-radius:6px;margin-top:16px}.review-symbol{width:15px;height:15px;border-radius:50%;border:1px solid #d5ac66;color:#c19547;display:grid;place-items:center;font-size:12px;flex-shrink:0;margin-top:2px}.review-callout b{font-size:12px;font-weight:500;color:#a67d39}.review-callout p>span{display:block;font-size:12px;color:#b19a75;line-height:1.7;margin-top:3px}.paper-footer{margin-top:auto;padding-top:18px;font-size:12px;color:var(--text-secondary);display:flex;justify-content:space-between}.demo-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:22px;color:var(--text-secondary);font-size:13px}.text-button{display:inline-flex;align-items:center;justify-content:flex-start;gap:7px;border:0;background:transparent;padding:0;color:var(--ink);font-size:14px;font-weight:500;line-height:1.8}.text-button:hover{color:var(--text-body)}.text-button .icon{width:17px;height:17px}.demo-bottom .text-button{color:var(--text-secondary);font-size:13px}.noscript-note{margin-top:20px;font-size:14px;color:var(--muted)}
.section{padding-block:110px}.section-heading h2{font-size:clamp(34px,3.6vw,46px);font-weight:650;letter-spacing:-1.8px;line-height:1.4}.eyebrow{color:var(--text-secondary);font-size:12px;font-weight:600;letter-spacing:2px;margin-bottom:20px}.section-heading>p:last-child:not(.eyebrow){font-size:16px;line-height:1.9;color:var(--muted);margin-top:18px}.section-heading.centered{text-align:center}.capability-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:54px;margin-top:66px}.feature-icon{height:49px;width:49px;border-radius:13px;background:#f3fcf9;display:grid;place-items:center;color:var(--ink);margin-bottom:24px}.feature-icon .icon{height:24px;width:24px}.capability h3{font-size:21px;font-weight:600;letter-spacing:-.5px;margin-bottom:14px}.capability p{font-size:15px;color:var(--muted);line-height:1.95;max-width:315px}.capability .text-button{margin-top:23px}.scenario-section{background:#f8fbfa}.role-tabs{display:flex;justify-content:center;gap:12px;margin:38px 0 32px}.role-tabs button{display:flex;align-items:center;gap:9px;padding:11px 23px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-secondary);font-size:15px}.role-tabs .icon{width:19px;height:19px}.role-tabs button[aria-selected="true"]{background:#fff;box-shadow:0 4px 12px #30393606;border-color:#e3eeea;color:var(--text-body)}.role-tabs button:hover{background:#fff}.role-panel{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;padding:56px 60px;background:#fff;border:1px solid #eaf1ee;border-radius:22px;align-items:center;min-height:475px}.scene-index{font-size:12px;color:var(--text-secondary);letter-spacing:.5px}.role-copy h3{font-size:29px;line-height:1.55;letter-spacing:-1.1px;margin:15px 0 18px;font-weight:600}.role-copy>p{font-size:15px;line-height:1.95;color:var(--text-secondary);max-width:350px}.plain-checks{list-style:none;padding:0;display:grid;gap:13px;margin:24px 0 26px;font-size:14px;color:var(--text-body)}.plain-checks li{display:flex;gap:9px;line-height:1.65}.plain-checks li:before{content:'✓';color:var(--text-secondary);flex-shrink:0}.role-visual{min-width:0;position:relative;background:radial-gradient(ellipse,#effaf6 0%,#f6fdfa 55%,#fff 72%);padding:14px}.role-preview{width:100%;max-width:452px;margin-inline:auto;border:1px solid #e6f2ee;border-radius:16px;box-shadow:0 20px 50px #3182640c;background:#fff;padding:20px 23px;min-height:350px}.preview-header{display:flex;align-items:center;gap:8px;font-size:13px}.preview-header>b{font-weight:550}.preview-tag{margin-left:auto;font-size:12px;color:var(--text-secondary);white-space:nowrap}.preview-greeting{margin:25px 0 20px}.preview-greeting small{font-size:12px;color:var(--text-secondary)}.preview-greeting h4{font-size:18px;line-height:1.7;font-weight:550;margin-top:7px}.progress-track{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary);margin-bottom:23px}.progress-track span{white-space:nowrap}.progress-track .done{color:var(--text-secondary)}.progress-track .current{color:var(--ink)}.progress-track i{height:1px;background:#e5f5ef;flex:1}.preview-task{display:flex;align-items:center;gap:9px;padding:13px 0;border-bottom:1px solid #f1f7f5}.preview-task b{font-size:12px;font-weight:550;display:block}.preview-task small{font-size:12px;color:var(--text-secondary);display:block;margin-top:5px;line-height:1.5}.status-pill{font-size:12px;padding:4px 6px;border-radius:4px;background:#f1fbf7;color:var(--text-secondary);margin-left:auto;white-space:nowrap}.status-pill.amber{color:#b89960;background:#fff6e6}.preview-message{background:#f7fdfb;border-radius:7px;padding:12px;display:flex;gap:8px;margin-top:17px}.preview-message>.icon{width:17px;height:17px;color:var(--muted)}.preview-message b{display:block;font-size:12px;font-weight:550;color:var(--text-secondary)}.preview-message p>span{font-size:12px;color:var(--text-secondary);line-height:1.8;display:block;margin-top:4px}.preview-bottom{font-size:12px;color:var(--muted);text-align:center;margin-top:20px}
.wechat-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.wechat-layout>.section-heading{padding-left:25px}.wechat-layout .text-button{margin-top:28px}.ecosystem-diagram{padding:5px 30px;color:var(--text-body)}.ecosystem-entry,.ecosystem-center{display:flex;align-items:center;gap:14px;padding:19px 22px;border:1px solid #e1f1eb;border-radius:13px;background:#fff}.eco-icon{display:grid;place-items:center;border-radius:11px;width:42px;height:42px;background:#f0fbf7;color:var(--text-secondary)}.eco-icon.green{background:#eef9f1;color:var(--accent)}.eco-icon .icon{width:23px;height:23px}.ecosystem-entry b,.ecosystem-center b{font-size:16px;font-weight:550;color:var(--text-body)}.ecosystem-entry small,.ecosystem-center small{display:block;font-size:12px;color:var(--text-secondary);margin-top:6px;line-height:1.6}.diagram-tag{font-size:12px;color:var(--muted);margin-left:auto;white-space:nowrap}.connector-line{height:57px;display:flex;justify-content:center;align-items:center;position:relative}.connector-line:before{content:'';position:absolute;inset:0 auto;width:1px;background:#d8f1e8}.connector-line>span{background:#fff;font-size:12px;color:var(--muted);position:relative;padding:4px 12px}.ecosystem-center{border-color:#c9efe1;box-shadow:0 7px 25px #41c89614;background:#fcfefd}.ecosystem-center b{font-size:20px;color:var(--text-body)}.ecosystem-center>.icon{margin-left:auto;color:var(--muted)}.branch-connector{width:54%;height:34px;border:1px solid #dbf1e9;border-bottom:0;border-radius:9px 9px 0 0;position:relative;margin:27px auto 0}.branch-connector:before{content:'';position:absolute;height:27px;width:1px;bottom:100%;left:50%;background:#dbf1e9}.ecosystem-ends{display:grid;grid-template-columns:1fr 1fr;gap:22px}.ecosystem-ends>div{display:flex;align-items:center;flex-direction:column;border:1px solid #e5f2ed;border-radius:12px;padding:21px 12px}.ecosystem-ends b{font-size:14px;margin-top:12px;font-weight:550}.ecosystem-ends small{font-size:12px;color:var(--text-secondary);margin-top:8px}.diagram-caption{text-align:center;font-size:12px;color:var(--muted);margin-top:20px}.knowledge-section{background:#f8fcfb}.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-top:55px}.knowledge-card{padding:25px 25px 30px;background:#fff;border:1px solid #e8f2ee;border-radius:15px}.knowledge-art{height:180px;background:#f7fcfa;border-radius:9px;margin-bottom:29px}.knowledge-number{font-size:12px;color:var(--text-secondary)}.knowledge-card h3{font-size:20px;font-weight:550;letter-spacing:-.5px;line-height:1.5;margin:10px 0 12px}.knowledge-card>p{color:var(--text-secondary);font-size:14px;line-height:1.95}.project-art{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:20px 18px}.project-art>div{font-size:12px;color:var(--text-secondary);background:#fff;border:1px solid #e9f5f1;border-radius:5px;padding:11px 9px;display:flex;align-items:center;gap:8px;white-space:nowrap}.project-art>div>span:last-child{font-size:12px;color:var(--muted);margin-left:auto}.mini-dot{height:6px;width:6px;background:#c8e3d9;flex-shrink:0;border-radius:50%}.mini-dot.blue-dot{background:#98e1c6}.mini-dot.green-dot{background:#9ebcac}.version-art{padding:23px;display:flex;flex-direction:column;justify-content:center;gap:9px}.version-art>div{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:12px}.version-art>div>span{background:#eaf8f3;border-radius:5px;display:grid;place-items:center;width:31px;height:29px;font-size:12px}.version-art b{font-weight:500}.version-art small{margin-left:auto;color:var(--muted);font-size:12px}.version-art .current-version{color:var(--text-secondary)}.version-art .current-version>span{background:#eaf9f3;color:var(--text-secondary)}.library-art{padding:26px}.library-label{display:flex;align-items:center;gap:7px;color:var(--text-secondary);font-size:12px}.library-label .icon{width:19px;height:19px}.library-art>div{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:20px}.library-art>div>span{text-align:center;padding:9px 5px;background:#fff;color:var(--text-secondary);border:1px solid #e7f6f1;border-radius:5px;font-size:12px;white-space:nowrap}
.guide-shell{max-width:770px;margin:35px auto 0}.quick-prompts{display:flex;justify-content:center;gap:9px;margin-bottom:17px;flex-wrap:wrap}.quick-prompts>button{border:1px solid #e8f0ed;color:var(--text-secondary);background:#fff;padding:8px 13px;border-radius:30px;font-size:13px;transition:all .2s}.quick-prompts>button:hover{color:var(--ink);border-color:#cdf0e3;background:#f8fdfb}#guide-form{padding:20px;border:1px solid #dcede7;border-radius:16px;box-shadow:0 7px 35px #4a87710a;transition:border-color .2s}#guide-form:focus-within{border-color:#aae6d0}#guide-input{border:0;resize:vertical;width:100%;min-height:72px;max-height:200px;font-size:16px;color:var(--text-body);line-height:1.8;background:transparent;padding:0}#guide-input:focus{outline:none}#guide-input::placeholder{color:var(--text-secondary)}.guide-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:8px}.guide-bottom>span{font-size:12px;color:var(--text-secondary);display:flex;gap:6px;align-items:center;line-height:1.7}.guide-bottom>span .icon{height:15px;width:15px}.guide-send{border:0;width:37px;height:37px;background:var(--ink);border-radius:9px;color:#fff;display:grid;place-items:center;flex-shrink:0}.guide-send .icon{transform:rotate(-90deg)}.guide-send:disabled{background:#ebf5f1;color:var(--muted)}.guide-answer{margin-top:18px;display:flex;align-items:flex-start;gap:13px;background:#f7fdfb;padding:20px;border-radius:13px;border:1px solid #e9f8f3}.guide-answer p{font-size:14px;color:var(--text-body);line-height:1.9}.guide-answer .text-button{margin-top:11px;font-size:13px}.closing{text-align:center;padding:82px 0 85px;background:radial-gradient(ellipse 53% 110% at 50% 130%,#d5f3e8 0%,#eefaf6 53%,#f8fdfb 100%)}.closing-brand{font-size:15px;font-weight:600;color:var(--text-secondary);letter-spacing:.5px}.closing h2{font-size:clamp(31px,3.5vw,44px);font-weight:650;line-height:1.4;letter-spacing:-1.6px;margin:18px 0}.closing p{font-size:16px;color:var(--text-secondary);line-height:1.8}.closing .button{margin-top:29px}.site-footer{padding-top:35px;padding-bottom:27px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-bottom:27px}.footer-top .brand{font-size:20px}.footer-top .brand-ai{font-size:19px}.footer-top .brand-mark{width:31px;height:31px;font-size:20px;border-radius:9px}.footer-links{display:flex;gap:27px;align-items:center;font-size:12px;color:var(--text-secondary)}.footer-links a:hover{color:var(--ink)}.footer-links>button{border:0;background:#f5f8f7;color:var(--text-secondary);padding:6px 9px;border-radius:5px;font-size:12px}.footer-bottom{border-top:1px solid #eff3f2;padding-top:20px;display:flex;justify-content:space-between;align-items:flex-start;gap:30px;color:var(--text-secondary);font-size:12px;line-height:1.9}.footer-bottom>span{flex-shrink:0}.footer-bottom>p{max-width:510px;text-align:right}
.mini-summary{margin:16px 0 13px;display:grid;gap:8px}.mini-summary>div{display:flex;justify-content:space-between;gap:8px;padding:10px;background:#f7fdfb;border:1px solid #edf5f2;border-radius:5px;font-size:12px;color:var(--text-secondary)}.mini-summary b{font-weight:500;color:var(--text-body)}.change-block{margin-top:17px;border:1px solid #e8f5f0;border-radius:7px;padding:13px}.change-block>span{font-size:12px;color:var(--text-secondary)}.change-before{font-size:12px;color:#b89b91;line-height:1.8;margin-top:10px;text-decoration:line-through;text-decoration-color:#d6c3bc}.change-after{font-size:12px;color:var(--accent-strong);line-height:1.8;margin-top:8px;padding-top:8px;border-top:1px solid #edf1ed}.version-states{margin-top:22px;display:grid;gap:12px}.version-states>div{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid #eef5f2;gap:8px;font-size:12px;color:var(--text-secondary)}.version-states b{color:var(--text-body);font-weight:500}.success-callout{background:#f0f8f3;border-color:#dfede4}.success-callout .review-symbol{border-color:#8caf99;color:var(--accent-strong)}.success-callout b{color:var(--accent-strong)}.success-callout p>span{color:#91ab9b}
@keyframes entrance{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:no-preference){html:not(.reduce-motion) .hero-content>*{animation:entrance .65s var(--ease) backwards}.hero-content>.eyebrow-pill{animation-delay:.04s}.hero-content>h1{animation-delay:.09s}.hero-content>.hero-description{animation-delay:.16s}.hero-content>.hero-actions{animation-delay:.22s}.hero-content>.hero-caption{animation-delay:.28s}html:not(.reduce-motion) .result-paper.is-changing,html:not(.reduce-motion) .role-panel.is-changing{animation:entrance .3s var(--ease)}}.reduce-motion{scroll-behavior:auto}.reduce-motion *,.reduce-motion *:before,.reduce-motion *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media(min-width:1500px){.wrap{width:min(1260px,calc(100% - 120px))}.hero{padding-top:76px}.hero h1{font-size:80px}.workspace-body{grid-template-columns:185px minmax(0,1.1fr) minmax(0,1fr)}.result-paper{padding-inline:28px}.section{padding-block:125px}}
@media(max-width:1100px){.wrap{width:calc(100% - 56px)}.nav{gap:20px}.nav-links{gap:21px}.brand{font-size:22px}.brand-ai{font-size:22px}.workspace-body{grid-template-columns:155px minmax(0,1.1fr) minmax(0,1fr)}.workspace-sidebar{padding-inline:10px}.customer-item{white-space:normal;font-size:12px}.task-conversation{padding-inline:20px}.task-meta{display:none}.result-pane{padding-inline:12px}.result-paper{padding-inline:18px}.demo-tab{padding-inline:21px}.role-panel{padding:40px;gap:35px}.role-copy h3{font-size:26px}.role-preview{padding-inline:18px}.role-visual{padding:0}.wechat-layout{gap:35px}.ecosystem-diagram{padding-inline:15px}.knowledge-card{padding-inline:20px}.knowledge-art{padding-inline:15px}.capability-grid{gap:35px}.knowledge-grid{gap:19px}.nav-links{font-size:13px}}
@media(max-width:850px){.nav{height:74px;gap:15px}.nav-links{gap:14px}.nav-cta{font-size:13px;padding-inline:12px}.brand{font-size:20px}.brand-ai{font-size:20px}.brand-mark{width:33px;height:33px;font-size:22px;border-radius:10px}.hero{padding-top:54px}.hero h1{font-size:57px;letter-spacing:-2.3px}.hero-description{font-size:16px}.workspace-body{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.workspace-sidebar{display:none}.window-dots{width:auto}.demo-outer{margin-top:46px}.task-conversation{padding:22px 19px}.section{padding-block:85px}.capability-grid{gap:28px;margin-top:48px}.capability h3{font-size:19px}.capability p{font-size:14px}.role-panel{gap:30px;padding:35px 28px;grid-template-columns:.9fr 1.1fr}.role-copy h3{font-size:23px}.role-copy>p{font-size:14px}.preview-tag{display:none}.preview-greeting h4{font-size:16px}.preview-task{gap:7px}.status-pill{padding:3px 4px}.role-preview{padding-inline:16px}.plain-checks{font-size:13px}.wechat-layout{gap:30px}.wechat-layout>.section-heading{padding-left:0}.wechat-layout h2{font-size:35px}.ecosystem-diagram{padding-inline:0}.ecosystem-entry,.ecosystem-center{padding:16px}.ecosystem-entry small{font-size:12px}.eco-icon{height:36px;width:36px}.ecosystem-ends{gap:14px}.ecosystem-ends small{font-size:12px}.knowledge-grid{gap:14px}.knowledge-card{padding-inline:15px}.knowledge-card h3{font-size:18px}.knowledge-art{padding-inline:10px}.project-art>div{font-size:12px;padding-inline:7px;gap:6px}.project-art>div>span:last-child{font-size:12px}.library-art>div{gap:6px}.library-art>div>span{font-size:12px}.version-art>div{gap:7px}.version-art small{font-size:12px}.footer-bottom{flex-direction:column;gap:10px}.footer-bottom>p{text-align:left;max-width:none}}
@media(max-width:680px){html{scroll-padding-top:90px}.wrap{width:calc(100% - 40px)}.nav{height:70px;gap:14px}.nav>.brand{margin-right:auto;font-size:21px}.nav .brand-ai{font-size:20px}.nav-links{display:none;position:absolute;top:69px;left:0;right:0;background:#fff;padding:15px 25px 22px;border-bottom:1px solid var(--line);box-shadow:0 10px 15px #206c5008}.nav-links.open{display:flex;flex-direction:column;align-items:stretch;gap:3px}.nav-links a{font-size:15px;padding:12px 2px}.nav-cta{min-height:35px;font-size:12px;padding-inline:11px;border-radius:7px}.nav-cta .icon{height:14px;width:14px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;border:0;background:transparent;width:28px;height:36px;padding:4px}.menu-toggle span{display:block;width:20px;height:1.5px;background:#555;transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.25px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}.hero{padding-top:43px;background:radial-gradient(ellipse 90% 35% at 50% 95%,#eaf9f3,transparent),#fff}.eyebrow-pill{font-size:12px;padding:6px 11px;gap:6px}.eyebrow-pill .icon{height:14px;width:14px}.hero h1{font-size:44px;letter-spacing:-1.8px;line-height:1.3;margin-top:26px}.hero-description{font-size:14px;line-height:1.95;margin-top:19px;letter-spacing:0}.desktop-break{display:none}.mobile-break{display:block}.hero-actions{gap:10px;margin-top:24px}.button{font-size:14px;min-height:47px;padding-inline:17px;border-radius:9px;gap:8px}.button>.icon{width:18px;height:18px}.hero-caption{font-size:12px;letter-spacing:0;margin-top:15px}.demo-outer{margin-top:39px;padding-bottom:25px}.demo-tabs{gap:0;justify-content:space-between;margin-bottom:18px}.demo-tab{padding:9px 8px;gap:5px;font-size:12px;border-radius:7px}.demo-tab .icon{width:15px;height:15px}.workspace{border-radius:12px;box-shadow:0 15px 40px -20px #3cab824a,0 0 0 5px #e9f9f375}.window-bar{padding-inline:13px;height:35px;font-size:12px}.window-bar>span:not(.demo-label){display:none}.demo-label{font-size:12px}.window-dots{gap:4px}.window-dots i{width:6px;height:6px}.workspace-body{grid-template-columns:1fr;min-height:0}.task-conversation{padding:19px 20px 22px}.task-heading{margin-bottom:15px;font-size:12px}.user-message{font-size:13px;max-width:94%;padding:11px 13px}.attachment{margin:10px 0 18px;padding:8px 10px}.assistant-copy{font-size:12px;margin-block:10px}.task-checks{gap:8px}.task-note{padding:12px 0 0;font-size:12px}.mock-composer{display:none}.result-pane{border-left:0;border-top:1px solid var(--line);padding:17px 19px 20px}.result-toolbar{font-size:12px;margin-bottom:12px}.result-paper{padding:20px 23px 15px;min-height:360px}.field-list{margin-block:13px}.paper-eyebrow{font-size:12px}.demo-bottom{gap:13px;align-items:flex-start;margin-top:18px}.demo-bottom>p{font-size:12px;line-height:1.7;max-width:65%}.demo-bottom .text-button{font-size:12px;white-space:nowrap}.demo-bottom .text-button .icon{width:14px;height:14px}.section{padding-block:72px}.section-heading h2{font-size:32px;letter-spacing:-1.2px;line-height:1.45}.eyebrow{font-size:12px;letter-spacing:1.6px;margin-bottom:16px}.section-heading>p:last-child:not(.eyebrow){font-size:14px;margin-top:16px}.capability-grid{grid-template-columns:1fr;gap:31px;margin-top:40px}.capability{display:grid;grid-template-columns:43px 1fr;column-gap:17px;padding-bottom:27px;border-bottom:1px solid #edf5f2}.capability:last-child{border-bottom:0;padding-bottom:0}.feature-icon{grid-column:1;grid-row:1/4;width:43px;height:43px;border-radius:12px;margin:2px 0 0}.feature-icon .icon{width:21px;height:21px}.capability h3{font-size:19px;margin-bottom:8px;grid-column:2}.capability p{grid-column:2;max-width:none;font-size:14px;line-height:1.85}.capability .text-button{grid-column:2;margin-top:12px;font-size:12px}.role-tabs{gap:4px;margin:28px 0 23px}.role-tabs button{padding:10px 13px;font-size:13px;gap:6px}.role-tabs .icon{width:17px;height:17px}.role-panel{grid-template-columns:1fr;gap:32px;padding:28px 24px;border-radius:15px}.role-copy h3{font-size:25px;line-height:1.55;margin:13px 0 14px}.role-copy>p{max-width:none;line-height:1.85}.plain-checks{margin:20px 0;gap:11px}.role-copy .text-button{font-size:13px}.role-preview{padding:18px;min-height:0}.preview-greeting{margin:20px 0 15px}.preview-header{font-size:12px}.preview-greeting h4{font-size:16px}.preview-task b{font-size:12px}.preview-task small{font-size:12px}.preview-task .status-pill{font-size:12px}.preview-message{padding:10px}.preview-bottom{font-size:12px;line-height:1.6}.wechat-layout{grid-template-columns:1fr;gap:42px}.wechat-layout>.section-heading{text-align:center}.wechat-layout h2{font-size:32px}.wechat-layout .text-button{margin-top:20px}.ecosystem-diagram{max-width:410px;margin-inline:auto;width:100%;padding-inline:12px}.ecosystem-entry,.ecosystem-center{padding:17px 18px}.ecosystem-entry small{font-size:12px}.ecosystem-ends small{font-size:12px}.knowledge-grid{grid-template-columns:1fr;gap:21px;margin-top:35px}.knowledge-card{padding:23px 24px 27px}.knowledge-art{margin-bottom:21px;height:155px;padding-inline:27px}.knowledge-card h3{font-size:21px;margin-top:8px}.knowledge-card>p{font-size:14px}.project-art{gap:7px}.project-art>div{font-size:12px;padding:10px}.project-art>div>span:last-child{font-size:12px}.version-art>div{font-size:12px;gap:12px}.version-art small{font-size:12px}.version-art>div>span{width:36px;height:27px}.library-art{padding-top:20px;padding-bottom:20px}.library-art>div{gap:9px;margin-top:15px}.library-art>div>span{font-size:12px;padding:8px}.guide-shell{margin-top:26px}.quick-prompts{gap:7px;margin-bottom:16px;justify-content:flex-start}.quick-prompts>button{font-size:12px;padding:8px 11px}#guide-form{padding:16px;border-radius:13px}#guide-input{font-size:14px;min-height:72px}.guide-bottom>span{font-size:12px;gap:5px;align-items:flex-start}.guide-bottom>span .icon{width:14px;height:14px;margin-top:2px}.guide-send{width:33px;height:33px;border-radius:8px}.guide-answer{padding:16px;gap:10px}.guide-answer p{font-size:13px}.closing{padding:62px 0 65px}.closing-brand{font-size:13px}.closing h2{font-size:32px;line-height:1.5;letter-spacing:-1px;margin:15px 0}.closing p{font-size:14px;line-height:1.9}.closing .button{margin-top:24px}.footer-top{flex-direction:column;align-items:flex-start;gap:23px;padding-bottom:23px}.footer-links{gap:22px;font-size:12px;flex-wrap:wrap}.footer-links>button{font-size:12px}.footer-bottom{font-size:12px;gap:8px;padding-top:17px}.site-footer{padding-top:28px;padding-bottom:22px}}
@media(max-width:370px){.wrap{width:calc(100% - 30px)}.hero h1{font-size:38px}.nav{gap:10px}.nav>.brand{font-size:19px;gap:7px}.nav .brand-ai{font-size:18px}.nav-cta{font-size:12px;padding-inline:10px}.nav-cta>.icon{display:none}.hero-actions .button{font-size:12px;padding-inline:13px;gap:6px}.demo-tab{font-size:12px;padding-inline:6px;gap:4px}.demo-tab>.icon{width:14px;height:14px}.role-panel{padding-inline:18px}.role-tabs button{font-size:12px;padding-inline:10px}.role-tabs .icon{width:15px;height:15px}.preview-task{gap:6px}.preview-task .file-icon{width:26px;height:33px}.preview-task small{font-size:12px}.hero-caption{font-size:12px}.role-preview{padding-inline:13px}.ecosystem-diagram{padding-inline:0}.knowledge-art{padding-inline:15px}}
/* Small labels belong to illustrative product previews; website content stays readable. */
@media(min-width:681px){.capability p,.role-copy>p{font-size:16px}.knowledge-card>p{font-size:16px}}
