:root{font-family:'Microsoft YaHei','PingFang SC',system-ui,sans-serif;color-scheme:dark;--bg:#0c0f13;--surface:#14191e;--fg:#f4f6f3;--muted:#939d9f;--accent:#bcf879;--line:#2a3035;--header:rgba(12,15,19,.92)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--fg);transition:background .4s,color .4s}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.tabs button{border:0;background:transparent;color:var(--muted);padding:7px 13px;font-size:14px;border-radius:5px}header{height:98px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;gap:13px;align-items:center;font-size:24px;font-weight:700;letter-spacing:2px}.brand svg{width:39px;height:39px;fill:none;stroke:var(--accent);stroke-width:3}.brand small{display:block;font-size:9px;letter-spacing:1.8px;margin-top:6px;font-weight:400;color:var(--muted)}nav{display:flex;gap:36px;font-size:14px}nav a:hover{color:var(--accent)}.nav-cta{font-size:14px;border:1px solid var(--line);padding:12px 22px;border-radius:5px}.hero{position:relative;min-height:710px;padding:87px 6% 72px;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.eyebrow{font-size:11px;letter-spacing:1.7px;color:var(--muted);display:flex;align-items:center;gap:10px}.eyebrow span{width:19px;height:2px;background:var(--accent)}h1{font-size:clamp(48px,5.7vw,83px);line-height:1.22;letter-spacing:-3px;margin:31px 0 28px;font-weight:800}.accent{color:var(--accent)}.punctuation{margin-left:-10px}.hero-copy>p{font-size:16px;line-height:1.95;color:var(--muted);margin-bottom:33px}.hero-actions{display:flex;align-items:center;gap:29px;font-size:14px}.primary{display:flex;gap:30px;align-items:center;padding:16px 22px;background:var(--accent);color:#14200f;border-radius:4px;font-weight:600}.primary span{font-size:20px}.secondary{border-bottom:1px solid var(--line);padding:8px 0}.hero-foot{display:flex;gap:23px;margin-top:48px;font-size:12px;color:var(--muted)}.hero-foot span+span{border-left:1px solid var(--line);padding-left:23px}.visual{position:relative;min-height:490px;margin-top:-36px}.visual canvas{width:100%;height:100%;position:absolute;inset:0}.visual-title{position:absolute;top:13%;left:14%;font-size:12px;letter-spacing:3px;line-height:1.7;color:var(--muted)}.visual-title span{color:var(--fg)}.visual-tag{position:absolute;right:3%;bottom:24%;border:1px solid var(--line);background:var(--bg);padding:12px 18px;font-size:12px;border-radius:3px}.coordinates{position:absolute;bottom:9%;left:16%;color:var(--muted);font-size:10px;letter-spacing:2px}.hero-bottom{position:absolute;bottom:24px;left:6%;right:6%;display:flex;justify-content:space-between;font-size:10px;letter-spacing:2px;color:var(--muted);border-top:1px solid var(--line);padding-top:21px}.hero-bottom span+span{letter-spacing:1px}section:not(.hero){padding:88px 6%}.section-label{font-size:12px;color:var(--muted);letter-spacing:2px}.section-label>span{display:block;letter-spacing:0;margin-top:15px;font-size:14px}.about{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:50px}.about h2,h2{font-size:39px;line-height:1.45;font-weight:600;letter-spacing:-1px;margin:0}.about-copy{display:grid;grid-template-columns:1fr 1fr;gap:38px;margin-top:27px}.about-copy p,.section-heading>p{font-size:15px;line-height:1.95;color:var(--muted);margin:0}.expertise{background:var(--surface)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:39px}.section-heading h2{margin-top:15px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cards article{padding:30px;border:1px solid var(--line);border-radius:7px;background:var(--bg);transition:transform .2s,border-color .2s}.cards article:hover{transform:translateY(-5px);border-color:var(--accent)}.card-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.icon{font-size:35px;color:var(--accent)}h3{font-size:23px;font-weight:500;margin:33px 0 15px}.cards p{font-size:15px;line-height:1.9;color:var(--muted);min-height:86px}.tags{display:flex;gap:10px;margin-top:29px}.tags span{font-size:12px;padding:7px 11px;border:1px solid var(--line);color:var(--muted);border-radius:3px}.tabs{display:flex;gap:7px}.tabs button{border-bottom:2px solid transparent;border-radius:0;padding:10px 12px}.tabs .active{color:var(--fg);border-color:var(--accent)}.scenario-panel{display:grid;grid-template-columns:1.1fr 1fr;border:1px solid var(--line);border-radius:7px;overflow:hidden}.scenario-diagram{padding:40px;background:var(--surface);display:flex;flex-direction:column;justify-content:space-between;min-height:300px}.diagram-label{font-size:10px;letter-spacing:2px;color:var(--muted)}.flow{display:flex;align-items:center;gap:14px;font-size:14px}.flow span{border:1px solid var(--line);padding:13px 16px;border-radius:5px;white-space:nowrap}.flow strong{font-size:27px;color:var(--accent);padding:23px 18px;border:1px solid var(--accent);border-radius:50%;font-weight:500}.flow i{height:1px;background:var(--accent);flex:1;min-width:10px}.diagram-foot{font-size:13px;color:var(--muted)}.scenario-text{padding:39px 45px}.scenario-text h3{font-size:29px;line-height:1.5;margin:19px 0}.scenario-text p{font-size:15px;color:var(--muted);line-height:1.9}.scene-note{font-size:12px;color:var(--muted)}.vision{text-align:center;border-top:1px solid var(--line);background:var(--surface)}.vision h2{font-size:49px;margin-top:23px}.vision p{color:var(--muted);font-size:15px;line-height:1.9}.vision a{display:inline-flex;gap:50px;padding:17px 22px;background:var(--accent);color:#14200f;font-size:14px;border-radius:4px;margin-top:18px}footer{padding:38px 6%;display:flex;align-items:center;justify-content:space-between;gap:20px}footer .brand{font-size:21px}footer .brand small{font-size:11px;letter-spacing:1px}footer p,footer>span{color:var(--muted);font-size:12px}
@media(min-width:1600px){header,main,footer{max-width:1600px;margin:auto}}@media(max-width:1000px){header{padding:0 5%;height:85px}nav{gap:18px}.brand{font-size:21px}.brand small{font-size:8px}.hero{padding:65px 5% 70px;min-height:620px}.visual{min-height:410px}.hero-foot{flex-direction:column;gap:12px}.hero-foot span+span{padding:0;border:0}.cards article{padding:23px}.flow{gap:7px}.flow span{padding:10px;font-size:12px}.scenario-diagram{padding:25px}.scenario-text{padding:30px}.section-heading>p{max-width:220px}.about{gap:25px}}
@media(max-width:700px){.preview>span{display:none}header{height:80px;gap:12px}.brand svg{width:30px}.brand{font-size:20px;gap:8px}.brand small{font-size:7px;letter-spacing:1px}nav{display:none}.nav-cta{padding:9px 12px;font-size:12px}.hero{grid-template-columns:1fr;padding:45px 6% 65px;min-height:auto}.eyebrow{font-size:9px;letter-spacing:1px}h1{font-size:clamp(42px,10vw,65px);letter-spacing:-2px;margin:27px 0 24px}.hero-copy>p{font-size:14px}.hero-actions{gap:22px;font-size:13px}.primary{gap:17px;padding:14px 16px}.hero-foot{margin-top:25px}.visual{min-height:320px;margin:8px 0 0}.visual-tag{bottom:20%;font-size:11px}.hero-bottom{font-size:8px;letter-spacing:1px}.hero-bottom span+span{font-size:9px;letter-spacing:0}section:not(.hero){padding:57px 6%}.about{grid-template-columns:1fr;gap:28px}.about-copy{grid-template-columns:1fr;gap:15px}.about h2,h2{font-size:30px}.section-heading{align-items:start;flex-direction:column;gap:15px;margin-bottom:26px}.section-heading>p{max-width:none}.cards{grid-template-columns:1fr;gap:14px}.cards article{padding:26px}.cards p{min-height:0}.cards h3{margin-top:22px}.tags{margin-top:20px}.scenario-panel{grid-template-columns:1fr}.scenario-diagram{min-height:235px}.flow{gap:12px}.flow span{font-size:13px}.scenario-text{padding:27px}.scenario-text h3{font-size:25px}.vision h2{font-size:36px}footer{flex-wrap:wrap;padding:29px 6%}footer p{display:none}footer>span{font-size:10px}.section-label{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

footer .brand small{max-width:320px;line-height:1.7;letter-spacing:0}footer{flex-wrap:wrap}

footer .icp-link{font-size:12px;color:var(--muted);line-height:1.8}footer .icp-link:hover{color:var(--accent);text-decoration:underline}