:root{--navy:#101f35;--blue:#2864e8;--teal:#65d5bd;--ink:#192a40;--muted:#667386;--line:#e1e7ee;--pale:#f4f7fa;font-family:PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif;color:var(--ink);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #38b99c;outline-offset:5px}button,a,select,summary{cursor:pointer}::selection{background:#b8e7de}h1,h2,h3,h4,p{margin:0}p{line-height:1.9}.wrap{max-width:1240px;width:calc(100% - 112px);margin:auto}.header{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 48px;gap:28px;background:#fff}.brand{display:flex;align-items:center;gap:10px;font-family:Avenir Next,Trebuchet MS,sans-serif;font-size:23px;font-weight:800;letter-spacing:.4px;white-space:nowrap}.brand svg{width:30px;height:28px;fill:none;stroke:var(--blue);stroke-width:3.2}.brand-ai{margin-left:7px;color:var(--blue);font-size:14px;letter-spacing:1px;font-weight:700}.header nav{display:flex;gap:32px;font-size:14px;color:#49576a}.header nav a:hover{color:var(--blue)}.header-contact{border:1px solid var(--line);border-radius:5px;padding:11px 17px;font-size:13px}.header-contact span{margin-left:20px;color:var(--blue)}.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:50px;padding-top:83px;padding-bottom:77px}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:600;display:flex;align-items:center;gap:10px;color:#a9bdd4}.dot{display:inline-block;flex-shrink:0;width:6px;height:6px;background:var(--teal);border-radius:50%}.hero h1{font-size:clamp(30px,3.35vw,48px);line-height:1.55;letter-spacing:-1.6px;font-weight:650;margin:23px 0}.hero h1 span{color:var(--teal)}.hero-copy>p{color:#aebdd0;max-width:530px;font-size:14px;line-height:2}.actions{display:flex;gap:14px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:48px;padding:0 23px;font-size:13px;font-weight:600;border:1px solid transparent;border-radius:5px;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--blue);color:#fff}.primary:hover{background:#1b51ca}.outline{border-color:#4a5a70;color:#e1e9f4;background:transparent}.outline:hover{background:#1c304a}.play{font-size:18px;color:var(--teal)}.hero-note{display:flex;align-items:center;gap:8px;font-size:10px;color:#91a5bf;margin-top:26px}.hero-note>span{height:5px;width:5px;border-radius:50%;background:#6a829e}.hero-note i{width:1px;height:9px;background:#4c5b70;margin:0 3px}.network-panel{border:1px solid #34445b;border-radius:10px;background:#14263c;box-shadow:0 20px 55px #07142540;transform:rotate(-1deg)}.panel-top{padding:18px 20px;display:flex;justify-content:space-between;align-items:center;font-family:Trebuchet MS,sans-serif;font-size:9px;color:#8da4c0;letter-spacing:1.3px}.live-dot{font-size:10px;letter-spacing:0;color:#79d1bd;display:flex;gap:6px;align-items:center}.live-dot:before{content:"";width:4px;height:4px;border-radius:50%;background:var(--teal)}.network{width:100%;display:block}.network text{fill:#a9bed2;font-size:13px;font-family:inherit}.network .city{fill:#f3f7fc;font-size:17px;font-weight:600}.network .route-label{fill:#76d6c1;font-size:11px}.minor-road{stroke:#294058;stroke-width:1;fill:none}.route-secondary{stroke:#7590b5;stroke-width:2;stroke-dasharray:5 6;fill:none}.route-main{stroke:var(--teal);stroke-width:3;fill:none}.network-bottom{display:grid;grid-template-columns:1fr 1fr 1.1fr;border-top:1px solid #2d4056;padding:20px 24px;gap:20px}.network-bottom>div+div{border-left:1px solid #30435a;padding-left:24px}.network-bottom small{display:block;color:#839ab4;font-size:10px;margin-bottom:8px}.network-bottom strong{font-size:26px;letter-spacing:1px;font-family:Trebuchet MS,sans-serif;font-weight:500}.network-bottom strong span{font-size:11px;color:#8da5bc;letter-spacing:0}.network-bottom .small-strong{font-family:inherit;font-size:14px;line-height:30px;letter-spacing:0}.network-bottom .small-strong span{color:var(--teal);margin-left:9px}.hero-base{border-top:1px solid #304157;padding:23px 0;display:flex;justify-content:space-between;color:#91a4bc;font-size:10px;letter-spacing:1px}.hero-base div{display:flex;gap:23px}.hero-base b{font-weight:400;color:#52647c}.hero-base>a{color:#d0dbe8}.section{padding-top:94px;padding-bottom:85px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:40px}.blue{color:var(--blue)}h2{font-size:32px;line-height:1.55;letter-spacing:-.8px;font-weight:650;margin-top:17px}.section-heading>p{font-size:13px;color:var(--muted);padding-bottom:4px}.capabilities{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:7px;overflow:hidden}.cap-card{padding:25px 23px 0;transition:background .2s}.cap-card:hover{background:#f7fafe}.cap-card+.cap-card{border-left:1px solid var(--line)}.cap-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:31px}.cap-number{font-size:25px;color:#9aaec9;font-family:Trebuchet MS,sans-serif;font-weight:400}.badge{font-size:10px;padding:4px 8px;border:1px solid #dbe4ed;border-radius:4px;color:#75859b;white-space:nowrap}.cap-card h3{font-size:19px;font-weight:600}.cap-card h4{font-size:12px;font-weight:500;color:#52647b;margin:12px 0}.cap-card p{font-size:12px;color:var(--muted);min-height:85px}.tags{border-top:1px solid var(--line);padding:17px 0;margin-top:18px;font-size:10px;color:#7a889b;white-space:nowrap}.section-note{font-size:11px;color:#8590a0;margin-top:20px}.demo-section{padding:83px 0 53px;background:var(--pale);border-top:1px solid #e9edf3;border-bottom:1px solid #e9edf3}.demo-shell{display:grid;grid-template-columns:1fr 1.08fr;border:1px solid #dce4ed;border-radius:9px;overflow:hidden;background:#fff;box-shadow:0 10px 35px #263b5810}.demo-controls{padding:29px 32px}.demo-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.demo-title h3{font-size:18px}.demands{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.demands>div{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:5px;padding:13px 11px}.demand-letter{color:var(--blue);background:#edf3ff;border-radius:4px;padding:8px;font-size:12px;font-weight:600}.demands strong{font-size:12px;white-space:nowrap}.demands strong span{color:#9baabd;margin:0 4px}.demands small{font-size:9px;color:#8b98a8;display:block;margin-top:5px}.demands b{font-size:20px;margin-left:auto;white-space:nowrap}.demands b small{font-size:10px;font-weight:400;display:inline}.demo-controls fieldset{padding:0;margin:0;border:0}.demo-controls legend{font-size:11px;letter-spacing:1px;color:#7c8b9e;border-top:1px solid var(--line);padding-top:19px;margin-bottom:17px;width:100%}.vehicle-label{font-size:12px;display:inline-block;width:44%}select{width:55%;border:1px solid #d8e1ec;background:#fff;padding:10px;border-radius:4px;font-size:12px;color:var(--ink);margin-bottom:12px}.toggle-row{position:relative;display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #edf0f5;gap:15px;font-size:12px;cursor:pointer}.toggle-row small{display:block;color:#8b98a7;font-size:10px;margin-top:4px}.toggle-row input{position:absolute;right:0;opacity:0;width:35px;height:23px}.switch{width:33px;height:19px;flex-shrink:0;background:#c2ccda;border-radius:30px;padding:3px;transition:background .2s;pointer-events:none}.switch:before{content:"";display:block;width:13px;height:13px;border-radius:50%;background:#fff;transition:transform .2s}.toggle-row input:checked+.switch{background:var(--blue)}.toggle-row input:checked+.switch:before{transform:translate(14px)}.toggle-row input:focus-visible+.switch{outline:3px solid #38b99c;outline-offset:4px}.generate{width:100%;margin-top:22px;justify-content:space-between}.demo-result{padding:29px 32px;background:#f9fbfd;border-left:1px solid var(--line);display:flex;flex-direction:column}.result-top{display:flex;justify-content:space-between;font-size:9px;color:#8c99ac;letter-spacing:1.3px;gap:10px}.result-top span:last-child{letter-spacing:0;font-size:10px;color:#7c8b9e}#result{flex:1;padding:30px 0 22px}#result h3{font-size:23px;line-height:1.6;margin-bottom:13px}#result>p{font-size:12px;color:#7c889a;max-width:430px}.result-icon{font-size:42px;line-height:1.3;color:#6c8eb5;margin:10px 0 15px}.empty-route{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:28px 0;font-size:10px;color:#8a9aaf}.empty-route span{padding:10px 9px;border:1px dashed #cdd9e6;border-radius:4px}.empty-route b{font-weight:400;font-size:15px}.result-foot{display:flex;align-items:flex-start;gap:10px;border-top:1px solid var(--line);padding-top:17px}.result-foot>span{font-size:10px;border:1px solid #8e9db0;border-radius:50%;width:15px;height:15px;display:grid;place-items:center;flex-shrink:0;color:#7f90a7;margin-top:2px}.result-foot p{font-size:10px;color:#8996a7;line-height:1.9}.demo-disclaimer{text-align:center;font-size:11px;color:#748399;margin-top:21px}.result-status{font-size:11px;margin-bottom:16px;display:inline-block;padding:6px 10px;border-radius:4px}.success{background:#e2f4ed;color:#187b5f}.warning{background:#fff0db;color:#9b651d}.check-list{list-style:none;margin:20px 0 15px;padding:0}.check-list li{font-size:11px;line-height:1.7;padding:9px 0;border-bottom:1px solid #e6ecf2;display:flex;gap:10px}.check-list li span{font-weight:700}.pass{color:#317968}.fail{color:#a66d24}#result .result-note{font-size:10px}.stale{opacity:.45}.scenarios{border-top:1px solid var(--line)}.scenario{display:grid;grid-template-columns:.35fr 1.6fr 1.2fr 1.5fr;gap:35px;padding:31px 0;border-bottom:1px solid var(--line);align-items:start}.scenario-number{font-size:23px;color:#a3b4cc;font-family:Trebuchet MS,sans-serif;display:flex;gap:20px;align-items:center}.scenario-number span{font-size:16px;color:var(--blue)}.scenario h3{font-size:17px;line-height:1.6}.scenario-subtitle{font-size:11px;color:#8a97a8;margin-top:8px}.scenario small{font-size:10px;color:#8593a5;display:block;margin-bottom:9px}.scenario div>p:not(.scenario-subtitle){font-size:12px;color:#5a6b80;line-height:1.9}.about-section{background:var(--navy);color:#fff;padding:75px 0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.about-section h2{font-size:34px}.about-line{width:42px;height:2px;background:var(--teal);margin:29px 0 17px}.about-english{font-family:Trebuchet MS,sans-serif;color:#7f96b2;font-size:10px;letter-spacing:2px}.about-copy>p:first-child{color:#e0e9f5;font-size:16px;margin-bottom:17px}.about-copy>p{color:#9badc4;font-size:13px}.stage{display:flex;gap:12px;margin-top:26px;padding-top:22px;border-top:1px solid #34445b}.stage .dot{margin-top:7px}.stage strong{font-size:12px;color:#c1dbd7;font-weight:500}.stage p{font-size:11px;color:#8fa3bc;margin-top:7px}.contact-section{padding-top:85px;padding-bottom:85px;display:flex;justify-content:space-between;align-items:center;gap:40px}.contact-section h2{font-size:34px}.contact-section p{font-size:12px;color:var(--muted);margin:18px 0}.email{font-family:Trebuchet MS,sans-serif;font-size:22px;color:var(--blue);border-bottom:1px solid #cbdcfb;padding-bottom:7px;display:inline-flex;align-items:center;gap:45px}.email span{font-size:17px}.contact-actions{display:flex;flex-direction:column;gap:12px;min-width:245px}.contact-actions .button{justify-content:space-between}.light-outline{border-color:#cdd8e6;color:#41556f}.light-outline:hover{background:#f2f6fc}.contact-actions small{font-size:10px;color:#8b96a5;text-align:center;line-height:1.9;margin-top:4px}.footer{border-top:1px solid var(--line);background:#f8fafc;padding:31px 0 22px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer .brand{font-size:19px;gap:0}.footer .brand-ai{font-size:11px}.footer-top>span{font-size:11px;color:#8b98a7}.footer-top>a:last-child{font-size:11px;color:#63758d}.footer details{margin-top:23px;border-top:1px solid var(--line);padding-top:18px;font-size:11px;color:#77869b}.footer summary{width:fit-content}.footer details p{max-width:1000px;margin-top:12px}.footer-bottom{border-top:1px solid var(--line);padding-top:20px;margin-top:23px;display:flex;justify-content:space-between;gap:15px;font-size:9px;color:#8e9bac;letter-spacing:.4px}.skip-link{position:fixed;left:15px;top:-100px;background:#fff;color:var(--navy);padding:12px;z-index:10}.skip-link:focus{top:10px}@media(min-width:1500px){.hero-grid{padding-top:105px;padding-bottom:95px}}@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header{padding:0 32px}.header nav{gap:20px}.hero-grid{gap:30px}.hero h1{font-size:35px}.hero-grid{grid-template-columns:1.1fr 1fr}.cap-card{padding:20px 16px 0}.cap-card h3{font-size:17px}.tags{font-size:8px}.demo-controls,.demo-result{padding:25px 22px}.demands>div{gap:6px;padding:11px 7px}.demand-letter{padding:5px}.demands strong{font-size:10px}.scenario{gap:22px}.scenario h3{font-size:15px}.about-grid{gap:55px}}@media(max-width:800px){.header{height:auto;min-height:77px;flex-wrap:wrap;padding:20px 24px;gap:18px}.header nav{order:3;width:100%;justify-content:space-between;gap:12px;font-size:12px;padding-top:6px}.brand{font-size:21px}.header-contact{padding:8px 12px;font-size:11px}.header-contact span{margin-left:9px}.wrap{width:calc(100% - 48px)}.hero-grid{grid-template-columns:1fr;padding-top:53px;padding-bottom:38px;gap:42px}.hero h1{font-size:clamp(29px,5.9vw,45px);letter-spacing:-.8px}.hero-copy>p{font-size:13px;max-width:560px}.network-panel{width:100%;max-width:540px;margin:0 auto}.network{max-height:320px}.hero-base{padding:19px 0}.hero-base>span{font-size:9px;letter-spacing:0}.hero-base div{display:none}.hero-base>a{font-size:9px}.section{padding-top:61px;padding-bottom:56px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:20px;font-size:12px}.section-heading br.desktop{display:none}h2,.about-section h2,.contact-section h2{font-size:28px}.capabilities{grid-template-columns:1fr 1fr}.cap-card:nth-child(3){border-left:0}.cap-card:nth-child(n+3){border-top:1px solid var(--line)}.cap-card{padding:22px 20px 0}.cap-card h3{font-size:18px}.cap-card p{min-height:70px}.cap-top{margin-bottom:23px}.tags{font-size:9px}.demo-section{padding:57px 0 35px}.demo-shell{grid-template-columns:1fr}.demo-controls,.demo-result{padding:25px}.demo-result{border-left:0;border-top:1px solid var(--line);min-height:390px}.demands strong{font-size:13px}.demands>div{padding:13px;gap:10px}.demands small{font-size:10px}.demands b{font-size:22px}.scenario{grid-template-columns:38px 1fr 1fr;gap:18px;padding:26px 0}.scenario>div:nth-child(2){grid-column:2/4}.scenario>div:nth-child(3){grid-column:2}.scenario h3{font-size:17px}.scenario-number span{display:none}.scenario small{margin-bottom:6px}.about-section{padding:55px 0}.about-grid{grid-template-columns:1fr;gap:32px}.about-english{font-size:9px}.contact-section{padding-top:58px;padding-bottom:55px;display:block}.contact-actions{margin-top:32px;max-width:420px;min-width:0}.contact-actions small{text-align:left}.footer-top{flex-wrap:wrap;gap:17px}.footer-top>span{order:3;width:100%;font-size:10px}.footer-bottom{flex-wrap:wrap;font-size:9px;gap:12px}.footer-bottom span:nth-child(2){display:none}.section-note,.demo-disclaimer{font-size:10px}.empty-route{justify-content:flex-start}.hero-note{font-size:9px}}@media(max-width:400px){.wrap{width:calc(100% - 36px)}.header{padding:17px 18px}.brand{font-size:18px}.brand svg{width:26px}.brand-ai{font-size:11px}.header-contact{font-size:10px}.hero h1{font-size:27px}.button{padding:0 15px;font-size:12px;gap:13px}.actions{gap:10px}.cap-card{padding:19px 14px 0}.cap-card h3{font-size:16px}.cap-card h4{font-size:11px}.cap-card p{font-size:11px;min-height:82px}.tags{font-size:8px;letter-spacing:-.4px}.badge{font-size:9px;padding:3px 5px}.demo-controls,.demo-result{padding:21px 17px}.demands>div{padding:10px 7px;gap:6px}.demands strong{font-size:11px}.demands b{font-size:18px}.demo-title h3{font-size:17px}.scenario{gap:13px;grid-template-columns:25px 1fr 1fr}.scenario div>p:not(.scenario-subtitle){font-size:11px}.network-bottom{padding:17px;gap:12px}.network-bottom>div+div{padding-left:14px}.email{font-size:20px;gap:24px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before{transition:none!important}}