@font-face{font-family:"Noto Sans SC";font-style:normal;font-weight:100 900;font-display:swap;src:url("noto-sans-sc-subset.ttf") format("truetype")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400 500;font-display:swap;src:url("jetbrains-mono.99ae03ef7cf0.woff2") format("woff2")}
:root{font-family:"Noto Sans SC",sans-serif;color:#23302d;background:#faf9f7;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0;min-width:320px;-webkit-font-smoothing:antialiased}
a{color:#0e6e64;text-decoration:none}a:hover{color:#0a544d}a:focus-visible,summary:focus-visible{outline:3px solid #0e6e64;outline-offset:4px}::selection{background:#cfe8e4}
.wrap{max-width:1120px;padding-inline:24px;margin-inline:auto}.mono{font-family:"JetBrains Mono","Noto Sans SC",sans-serif}
.skip-link{position:absolute;z-index:20;left:12px;top:-60px;background:#fff;padding:12px}.skip-link:focus{top:10px}
.nav{position:sticky;top:0;z-index:10;border-bottom:1px solid #ece9e3;background:#faf9f7ee;backdrop-filter:blur(12px)}
.nav-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-size:19px;font-weight:900;letter-spacing:2px;color:#17211f;white-space:nowrap}.brand span{color:#0e6e64}
.nav-links{display:flex;align-items:center;gap:32px}.nav-links>a{font-size:15px;color:#3c4a47}.nav-links>a:hover{color:#0e6e64}
.nav-links .nav-contact{color:#0e6e64;border:1px solid #9ec9c3;border-radius:999px;padding:8px 20px;font-weight:500}.nav-links .nav-contact:hover{background:#0e6e64;color:#fff;border-color:#0e6e64}
.mobile-menu{display:none}.mobile-menu summary{width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid #d8d4cd;border-radius:10px;cursor:pointer;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary i{width:18px;height:2px;background:#23302d}.mobile-menu>div{position:absolute;top:71px;left:0;right:0;display:flex;flex-direction:column;background:#faf9f7;border-bottom:1px solid #eae7e1;padding:8px 24px 16px}.mobile-menu a{padding:13px 4px;border-bottom:1px solid #f0ede8;color:#23302d;font-size:16px}.mobile-menu a:last-child{border-bottom:0;color:#0e6e64}
.hero{padding-top:88px;padding-bottom:96px;display:flex;flex-wrap:wrap;align-items:center;gap:56px}.hero-copy{flex:1 1 420px;min-width:0}
.kicker,.section-label{margin:0 0 20px;font-size:13px;letter-spacing:3px;color:#0e6e64}
h1,h2,h3,p{overflow-wrap:break-word}.hero h1{margin:0;color:#17211f;font-size:clamp(36px,5.4vw,58px);font-weight:900;line-height:1.22;text-wrap:balance}.hero h1 span{color:#0e6e64}
.lead{max-width:34em;margin:24px 0 0;color:#4a5754;font-size:17px;line-height:1.85}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 30px;font-size:16px;font-weight:500;transition:background .2s,color .2s,border-color .2s}
.button.primary{background:#0e6e64;color:#fff}.button.primary:hover{background:#0a554d;color:#fff}.button.secondary{border:1px solid #c4beb4;color:#23302d}.button.secondary:hover{border-color:#0e6e64;color:#0e6e64}
.wechat-status{display:flex;align-items:center;gap:9px;margin-top:33px;color:#53625d;font-size:13px}.wechat-status>span{display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:#e3efec;color:#0e6e64;font-size:16px}.wechat-status b{border:1px solid #c8dcd7;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:500;color:#51766f}
.hero-illustration{flex:1 1 360px;min-width:0;animation:float 7s ease-in-out infinite}.illustration-card,.example-card{background:#fff;border:1px solid #e7e3dc;border-radius:18px;padding:26px;box-shadow:0 18px 40px -24px #17211f40}
.illustration-label{display:flex;align-items:center;gap:10px;color:#8a948f;font-size:11px;letter-spacing:1px}.illustration-label i{flex:1;height:1px;background:#ece9e3}
.flow{display:flex;align-items:center;margin:14px 0 24px}.flow span{flex:none;width:38px;height:38px;display:grid;place-items:center;border:2px solid #0e6e64;border-radius:50%;background:#fff;color:#0e6e64;font-size:11px}.flow span:first-child{background:#0e6e64;color:#fff}.flow span:last-child{border-style:dashed;border-color:#b8b2a7;color:#7a8480}.flow b{flex:1;height:2px;background:#d9d5cd}.flow b:nth-child(2){background:#0e6e64}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 24px}.tiles i{aspect-ratio:1;border:1px solid #e7e3dc;border-radius:8px;background:repeating-linear-gradient(45deg,#eceae5,#eceae5 6px,#f6f4f0 6px,#f6f4f0 12px)}.tiles i:nth-child(3){background:repeating-linear-gradient(45deg,#dcebe8,#dcebe8 6px,#ecf4f2 6px,#ecf4f2 12px);border-color:#bfd9d4}.tiles i:last-child{display:grid;place-items:center;font-style:normal;font-size:16px;color:#98a19c;background:#fff;border:1px dashed #b8b2a7}
.window{overflow:hidden;border:1px solid #e7e3dc;border-radius:10px;margin-top:14px}.window-bar{display:flex;gap:6px;padding:8px 12px;background:#f6f4f0;border-bottom:1px solid #ece9e3}.window-bar i{width:8px;height:8px;border-radius:50%;background:#d9d5cd}.window-bar i:last-child{background:#9ec9c3}.window-lines{display:grid;gap:9px;padding:14px}.window-lines i{height:8px;border-radius:4px;background:linear-gradient(90deg,#e2ded7 0 26%,transparent 26% 30%,#0e6e64 30% 65%,#e2ded7 65%)}.window-lines i:nth-child(2){background:linear-gradient(90deg,#e2ded7 0 20%,transparent 20% 24%,#35648f 24% 52%,#e2ded7 52%)}.window-lines i:nth-child(3){background:linear-gradient(90deg,#e2ded7 0 34%,transparent 34% 38%,#8cbdb6 38% 76%,#e2ded7 76%)}.illustration-caption,.example-caption{margin:18px 0 0;color:#98a19c;font-size:11px}
.about{border-top:1px solid #ece9e3;background:#fff}.about-inner{padding-top:88px;padding-bottom:92px;display:grid;grid-template-columns:1fr 1fr;gap:80px}
h2{margin:0;color:#17211f;font-size:clamp(26px,3.6vw,38px);font-weight:900;line-height:1.35;text-wrap:balance}.section-label{margin-bottom:14px}.about-copy{padding-top:32px}.about-copy p{margin:0 0 18px;font-size:16px;color:#4a5754;line-height:1.9}
.services{border-top:1px solid #ece9e3}.section-heading{padding-top:88px;padding-bottom:24px}.section-heading>p:last-child{margin:17px 0 0;color:#61706c;line-height:1.7}
.service-row{display:flex;flex-wrap:wrap;align-items:center;gap:56px;padding-top:24px;padding-bottom:80px}.service-copy{flex:1 1 390px}.index{margin:0 0 14px;color:#0e6e64;font-size:12px;letter-spacing:1.5px}
.service-copy h3,.system-row h3{margin:0;font-size:clamp(24px,3vw,32px);font-weight:700;color:#17211f;line-height:1.4}.service-copy>p:not(.index),.system-row p:not(.index){max-width:32em;margin:20px 0 0;color:#56645f;font-size:16px;line-height:1.85}.service-copy>a{display:inline-block;margin-top:25px;font-size:15px;font-weight:600}
.example-card{flex:1 1 360px;min-width:0}.example-head{display:flex;justify-content:space-between;color:#8a948f;font-size:11px;letter-spacing:1px;padding-bottom:15px;border-bottom:1px solid #ece9e3}.example-list{display:grid;gap:12px;margin-top:20px}.example-list>div{display:flex;align-items:center;gap:14px;border:1px solid #ebe9e4;border-radius:9px;padding:15px;color:#3c4a47;font-size:14px}.example-list i{width:22px;height:22px;border-radius:50%;background:#0e6e64}.example-list>div:nth-child(2) i{background:#fff;border:2px solid #0e6e64}.example-list>div:nth-child(3) i{background:#fff;border:2px dashed #b8b2a7}.example-list b{margin-left:auto;width:56px;height:7px;border-radius:5px;background:#e3e5df}
.assistant-row{background:#fff;border-top:1px solid #ece9e3;border-bottom:1px solid #ece9e3}.assistant-row .service-row{padding-top:72px;padding-bottom:72px}.assistant-card{background:#f8f7f4}.assistant-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.assistant-tiles>div{min-height:150px;border:1px solid #e5e1d9;border-radius:10px;background:#fff;padding:13px;display:flex;flex-direction:column;gap:11px}.assistant-tiles span{font-size:12px;color:#0e6e64;font-weight:600}.assistant-tiles i{height:7px;border-radius:4px;background:#e5ebe7}.assistant-tiles i:last-child{width:65%}
.system-row{background:#17302c;color:#f5f3ef}.system-inner{padding-top:79px;padding-bottom:83px;display:grid;grid-template-columns:1fr 1fr;gap:80px}.system-row .index{color:#8fd0c7}.system-row h3{color:#f5f3ef}.system-row p:not(.index){color:#c3d4ce}.system-list{display:grid}.system-list>div{display:flex;align-items:center;gap:26px;border-bottom:1px solid #3f5e56;padding:14px 0}.system-list>div:first-child{border-top:1px solid #3f5e56}.system-list span{color:#8fd0c7;font-size:12px}
.contact{padding:92px 0 105px}.contact-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:85px;align-items:center}.contact h2{max-width:13em}.contact p:not(.section-label){color:#56645f;line-height:1.85;font-size:16px;max-width:36em;margin:24px 0 22px}.contact-note{position:relative;min-height:260px;background:#e8f0ed;border:1px solid #d4e5df;border-radius:18px;padding:29px 30px;overflow:hidden}.contact-note>span{position:absolute;right:-9px;top:-95px;color:#badbd2;font-size:250px;line-height:1}.contact-note p{position:relative;margin:116px 0 8px!important;color:#58756b!important;font-size:13px!important}.contact-note strong{position:relative;display:block;color:#0e6e64;font-size:24px}.contact-note small{position:relative;display:block;margin-top:9px;color:#697d75;line-height:1.6;font-size:12px}
[hidden]{display:none!important}.wechat-status{border:0;background:transparent;padding:0;cursor:pointer;font-family:inherit}.wechat-status:hover{color:#0e6e64}.wechat-status:disabled{opacity:.55;cursor:wait}.contact-note .contact-content{position:relative}.contact-note .contact-content p{margin:0 0 8px!important}.contact-note .contact-content strong{line-height:1.35}.contact-note .contact-content small{min-height:2.8em}.contact-note form{display:grid;gap:9px;margin-top:25px}.contact-note label{font-size:13px;font-weight:600;color:#304e45}.contact-note input,.contact-note textarea{width:100%;border:1px solid #b9cec6;border-radius:8px;background:#fff;padding:10px 12px;color:#23302d;font:inherit;resize:vertical}.contact-note input:focus,.contact-note textarea:focus{outline:2px solid #0e6e64;outline-offset:1px}.contact-note form .button{border:0;cursor:pointer;margin-top:9px}.contact-note form .button:disabled{opacity:.6;cursor:wait}.callback-page{min-height:100vh;display:grid;place-items:center;background:#faf9f7}.callback-card{width:min(90vw,440px);padding:42px;background:#fff;border:1px solid #e5e1d9;border-radius:16px;text-align:center}.callback-card h1{font-size:25px}.callback-card p{margin-top:20px;color:#53625d}
.contact-note .contact-login{position:relative;margin-top:20px;border:0;cursor:pointer}.contact-note .contact-login:disabled{opacity:.6;cursor:wait}.contact-note small.is-loading{display:flex;align-items:center;gap:9px}.site-spin{position:relative;display:inline-block;flex:none;width:1em;height:1em;font-size:20px;color:#0f9f8a;transform:rotate(45deg);animation:site-spin-rotate 1.2s linear infinite}.site-spin i{position:absolute;display:block;width:calc((1em - 2px)/2);height:calc((1em - 2px)/2);background:currentColor;border-radius:100%;transform:scale(.75);opacity:.3;animation:site-spin-move 1s linear infinite alternate}.site-spin i:nth-child(1){top:0;left:0;animation-delay:0s}.site-spin i:nth-child(2){top:0;right:0;animation-delay:.4s}.site-spin i:nth-child(3){right:0;bottom:0;animation-delay:.8s}.site-spin i:nth-child(4){bottom:0;left:0;animation-delay:1.2s}.wechat-status .site-spin,.button .site-spin,.contact-note small .site-spin{font-size:16px}.button.primary .site-spin{color:#fff}.callback-card>.site-spin{margin-bottom:8px}@keyframes site-spin-rotate{to{transform:rotate(405deg)}}@keyframes site-spin-move{to{opacity:1}}
footer{border-top:1px solid #ece9e3;background:#fff;padding-top:43px}.footer-main{padding-bottom:35px;text-align:center}.footer-main p{color:#84908b;font-size:13px;margin:13px 0 0}.footer-bottom{border-top:1px solid #ece9e3;padding-top:20px;padding-bottom:25px;color:#98a19c;font-size:12px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.footer-bottom a{color:#72817b}.footer-bottom a:last-child{justify-self:end}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@media(max-width:760px){.nav-links{display:none}.mobile-menu{display:block}.hero{padding-top:55px;padding-bottom:70px;gap:45px}.hero-illustration{animation:none}.about-inner,.section-heading{padding-top:65px;padding-bottom:55px}.about-inner,.system-inner,.contact-inner{grid-template-columns:1fr;gap:20px}.about-copy{padding-top:0}.service-row,.assistant-row .service-row{padding-top:25px;padding-bottom:65px;gap:32px}.assistant-row .service-copy{order:1}.assistant-row .example-card{order:2}.system-inner{padding-top:65px;padding-bottom:65px;gap:35px}.contact{padding:65px 0}.contact-inner{gap:38px}.footer-bottom{grid-template-columns:1fr;justify-items:center;text-align:center;gap:12px}.footer-bottom a:last-child{justify-self:center}.assistant-tiles>div{min-height:125px}}
@media(max-width:420px){.actions{gap:10px}.button{padding:0 18px;font-size:14px}.flow span{width:33px;height:33px;font-size:10px}.illustration-card,.example-card{padding:17px}.assistant-tiles{gap:6px}.assistant-tiles>div{padding:9px}.assistant-tiles span{font-size:11px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
