:root{--ink:#07141a;--ink-2:#0b2025;--paper:#f4f7f4;--white:#fff;--muted:#91a3a5;--line:rgba(255,255,255,.15);--green:#9aff65;--cyan:#59e7df;--violet:#8b5cf6;--max:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7;letter-spacing:0}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block} button,input,select,textarea{font:inherit}
.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:#fff;color:#000;padding:8px 14px}.skip-link:focus{top:12px}
.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.site-header{position:fixed;z-index:100;inset:0 0 auto;color:#fff;transition:.3s}.site-header.scrolled{background:rgba(7,20,26,.92);backdrop-filter:blur(16px);box-shadow:0 1px rgba(255,255,255,.08)}
.nav-shell{height:82px;width:min(calc(100% - 48px),1280px);margin:auto;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;gap:12px;align-items:center}.brand strong{display:block;font-size:17px;line-height:1.2}.brand small{display:block;font-size:9px;letter-spacing:2.2px;margin-top:4px;color:#a8b7b8}.brand-mark{width:35px;height:32px;position:relative;display:block}.brand-mark i{position:absolute;width:18px;height:18px;border:3px solid var(--green);transform:rotate(45deg)}.brand-mark i:nth-child(1){left:1px;top:7px}.brand-mark i:nth-child(2){left:13px;top:1px;border-color:var(--cyan)}.brand-mark i:nth-child(3){left:13px;top:13px;border-color:#fff}
.site-nav{display:flex;align-items:center;gap:32px;font-size:14px}.site-nav>a:not(.nav-cta){color:#d4dcdc}.site-nav>a:hover{color:#fff}.nav-cta{border:1px solid rgba(255,255,255,.4);padding:9px 17px}.nav-cta:hover{border-color:var(--green)}
.menu-toggle{display:none;width:42px;height:42px;background:transparent;border:0;padding:9px}.menu-toggle span{display:block;height:1px;background:#fff;margin:6px}
.hero{min-height:94vh;position:relative;color:#fff;display:flex;align-items:center;overflow:hidden;background:var(--ink)}.hero-media,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-media{opacity:.7;animation:slowZoom 16s ease-in-out infinite alternate}.hero-shade{background:linear-gradient(90deg,rgba(4,15,19,.96) 0%,rgba(4,15,19,.76) 46%,rgba(4,15,19,.2) 100%),linear-gradient(0deg,rgba(4,15,19,.75),transparent 42%)}
@keyframes slowZoom{from{transform:scale(1.01)}to{transform:scale(1.08)}}
.hero-content{position:relative;z-index:2;padding-top:120px;padding-bottom:100px}.eyebrow,.section-kicker{font-size:11px;font-weight:700;letter-spacing:2.6px;color:var(--cyan);margin:0 0 20px}.hero h1{font-size:clamp(62px,10vw,132px);line-height:.9;margin:0;font-weight:800}.hero-lead{font-size:clamp(28px,4vw,54px);font-weight:300;margin:26px 0 18px;line-height:1.2}.hero-copy{max-width:680px;color:#c7d2d4;font-size:17px;margin:0 0 32px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:10px 22px;border:1px solid transparent;cursor:pointer;font-weight:700;font-size:14px;border-radius:2px}.button-primary{background:var(--green);color:#07140c}.button-primary:hover{background:#b3ff8d}.button-ghost{border-color:rgba(255,255,255,.38);color:#fff}.button-ghost:hover{border-color:#fff}
.hero-metrics{display:flex;gap:0;margin:52px 0 0}.hero-metrics div{padding:0 40px;border-left:1px solid rgba(255,255,255,.25)}.hero-metrics div:first-child{padding-left:0;border:0}.hero-metrics dt{font-size:31px;font-weight:700;line-height:1.1}.hero-metrics dd{margin:4px 0 0;font-size:12px;color:#9dafb1}.hero-next{position:absolute;z-index:2;right:5%;bottom:40px;display:flex;align-items:center;gap:14px;font-size:9px;letter-spacing:2px;transform:rotate(90deg);transform-origin:right}.hero-next b{color:var(--green);font-size:16px}
.intro-band{background:#eef3ef;padding:118px 0}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:120px;align-items:start}.intro-grid h2,.section-heading h2,.ip-title h2,.about h2,.contact h2{font-size:clamp(36px,5vw,64px);line-height:1.18;margin:0;letter-spacing:0}.intro-copy{font-size:18px;color:#34484c;padding-top:16px}.intro-copy p:first-child{margin-top:0}.service-list{display:grid;grid-template-columns:repeat(4,1fr);margin-top:90px;border-top:1px solid #bdc9c6}.service-list article{padding:30px 28px 0 0;border-right:1px solid #bdc9c6;min-height:210px}.service-list article:not(:first-child){padding-left:28px}.service-list article:last-child{border-right:0}.service-list span,.product-index{font-size:11px;font-weight:700;color:#477477}.service-list h3{font-size:21px;margin:28px 0 8px}.service-list p{font-size:14px;color:#627376;margin:0}
.products{background:#fff;padding:120px 0}.section-heading{display:grid;grid-template-columns:1.3fr .7fr;gap:80px;align-items:end;margin-bottom:58px}.section-heading>p{font-size:16px;color:#5d6f71;margin:0}.product-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.product-feature,.product-pair article{background:var(--ink);color:#fff}.product-visual{position:relative;aspect-ratio:16/9;overflow:hidden}.product-visual img{width:100%;height:100%;object-fit:cover;transition:.6s}.product-feature:hover img{transform:scale(1.04)}.product-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,20,26,.65),transparent 60%)}.product-visual span{position:absolute;z-index:1;left:26px;bottom:20px;font-size:10px;letter-spacing:2px;color:var(--cyan)}.product-body{padding:34px 38px 42px}.product-name{color:var(--green);font-size:13px;font-weight:700;margin:0 0 8px}.product-body h3,.product-pair h3{font-size:26px;line-height:1.35;margin:0 0 14px}.product-body>p:last-of-type,.product-pair article>p:not(.product-index):not(.product-name){color:#afbdbe}.product-body ul{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;list-style:none;padding:22px 0 0;margin:22px 0 0;border-top:1px solid var(--line);font-size:12px;color:#d6dddd}.product-body li:before{content:"+";color:var(--green);margin-right:7px}.product-pair{display:grid;gap:18px}.product-pair article{padding:38px;min-height:310px}.product-pair article:nth-child(2){background:#133237}.product-index{margin:0 0 24px;color:var(--cyan)}.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:25px}.tags span{border:1px solid rgba(255,255,255,.2);padding:5px 10px;font-size:11px;color:#c9d2d2}.mini-flow{display:flex;list-style:none;padding:0;margin:28px 0 0;counter-reset:flow}.mini-flow li{font-size:11px;color:#d2dddd;flex:1;position:relative;padding-top:19px}.mini-flow li:before{content:"";position:absolute;top:5px;left:0;right:5px;height:1px;background:var(--cyan)}.mini-flow li:after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--green);top:2px;left:0}
.ip-section{background:#dff56f;padding:112px 0;color:#142219}.ip-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.ip-section .section-kicker{color:#3c583b}.ip-copy>p{font-size:20px;margin:5px 0 50px}.ip-principles{border-top:1px solid rgba(20,34,25,.3)}.ip-principles div{display:grid;grid-template-columns:80px 1fr;padding:18px 0;border-bottom:1px solid rgba(20,34,25,.3)}.ip-principles span{color:#405342}
.method{background:var(--ink);color:#fff;padding:120px 0}.method .section-heading>p{color:#9cafb1}.method-track{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.method-track article{position:relative;padding:55px 28px 20px 0;border-right:1px solid var(--line);min-height:250px}.method-track article:not(:first-child){padding-left:28px}.method-track article:last-child{border:0}.method-track span{color:var(--green);font-size:12px}.method-track h3{font-size:22px;margin:46px 0 10px}.method-track p{font-size:13px;color:#97a8aa;margin:0}
.about{background:#f2f6f3;padding:120px 0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.about-statement>p:last-child{font-size:17px;color:#516567;margin-top:30px}.founder-profile{border-top:2px solid var(--ink);padding-top:28px;display:grid;grid-template-columns:100px 1fr;gap:28px}.founder-monogram{width:92px;height:112px;background:var(--ink);color:var(--green);display:grid;place-items:center;font-weight:800;font-size:26px}.founder-profile .role{font-size:11px;color:#668082;letter-spacing:1.5px;margin:0}.founder-profile h3{font-size:29px;margin:3px 0 15px}.founder-profile div:last-child>p:last-child{color:#536466;margin:0}
.contact{background:#0c252a;color:#fff;padding:120px 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:110px}.contact-grid>div>p:not(.section-kicker){color:#9db0b2;max-width:480px}.contact-mail{display:inline-flex;gap:18px;border-bottom:1px solid var(--cyan);padding:10px 0;color:var(--cyan);margin-top:25px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:25px 20px}.contact-form label{font-size:12px;color:#9eb0b2}.contact-form label:nth-child(4){grid-column:1/-1}.contact-form input,.contact-form select,.contact-form textarea{display:block;width:100%;background:transparent;border:0;border-bottom:1px solid #516367;color:#fff;padding:10px 0;border-radius:0;outline:none}.contact-form select option{color:#000}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--green)}.contact-form textarea{resize:vertical}.contact-form .button{justify-self:start}.form-note{grid-column:1/-1;font-size:11px;color:#839799;margin:0}
.site-footer{background:#061216;color:#9babad;border-top:1px solid #1c3439;padding:46px 0}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:20px;font-size:12px}.brand-footer{color:#fff}.footer-grid>p{text-align:center}.footer-grid>div{display:flex;flex-direction:column;align-items:flex-end}.footer-grid a:hover{color:var(--green)}
.assistant-section{background:#e9f0ed;padding:120px 0}.assistant-heading{margin-bottom:48px}.assistant-shell{display:grid;grid-template-columns:260px 1fr;background:var(--ink);color:#fff;min-height:620px}.assistant-controls{padding:30px;border-right:1px solid var(--line)}.assistant-controls label{display:block;font-size:11px;color:#9fb0b2;margin-bottom:22px}.assistant-controls input,.assistant-controls select{display:block;width:100%;margin-top:7px;background:#10272c;color:#fff;border:1px solid #355057;padding:11px 10px;outline:none}.assistant-controls input:focus,.assistant-controls select:focus{border-color:var(--green)}.assistant-status{font-size:11px;color:#8fa3a5;border-top:1px solid var(--line);padding-top:18px}.assistant-status.ready{color:var(--green)}.assistant-status.error{color:#ff9f8d}.text-button{background:none;border:0;color:var(--cyan);padding:8px 0;cursor:pointer}.chat-panel{display:grid;grid-template-rows:1fr auto;min-width:0}.chat-log{padding:34px;overflow-y:auto;max-height:540px}.chat-message{max-width:82%;padding:17px 20px;margin-bottom:18px;font-size:14px;white-space:pre-wrap}.chat-message b{font-size:11px;color:var(--cyan);display:block;margin-bottom:5px}.chat-message p{margin:0}.assistant-message{background:#112a2f}.user-message{background:#dff56f;color:#102016;margin-left:auto}.user-message b{color:#3c583b}.chat-composer{display:grid;grid-template-columns:1fr auto;gap:12px;padding:20px;border-top:1px solid var(--line)}.chat-composer textarea{background:#10272c;color:#fff;border:1px solid #355057;padding:13px;resize:none;outline:none}.chat-composer textarea:focus{border-color:var(--green)}
.skill-center{background:#fff;padding:120px 0}.skill-toolbar{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:36px}.skill-search{width:min(430px,100%);font-size:11px;color:#627376}.skill-search input{display:block;width:100%;border:0;border-bottom:1px solid #9aabaa;padding:10px 0;font-size:16px;outline:none}.skill-search input:focus{border-color:var(--ink)}.skill-categories{display:flex;flex-wrap:wrap;gap:7px;justify-content:flex-end}.category-button{border:1px solid #bcc9c6;background:#fff;padding:7px 11px;font-size:11px;cursor:pointer}.category-button.active{background:var(--ink);color:#fff;border-color:var(--ink)}.skill-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #bdc9c6}.skill-card{padding:28px 26px 32px 0;border-right:1px solid #bdc9c6;border-bottom:1px solid #bdc9c6;min-height:245px;display:flex;flex-direction:column}.skill-card:nth-child(3n+2),.skill-card:nth-child(3n+3){padding-left:26px}.skill-card:nth-child(3n){border-right:0}.skill-meta{display:flex;justify-content:space-between;font-size:10px;color:#527275}.skill-card h3{font-size:20px;line-height:1.35;margin:25px 0 10px}.skill-card p{font-size:13px;color:#647477;margin:0 0 22px}.skill-card button{margin-top:auto;align-self:flex-start;background:none;border:0;border-bottom:1px solid var(--ink);padding:4px 0;cursor:pointer;font-weight:700}.skill-card button:hover{color:#427257;border-color:#427257}.skill-pagination{text-align:center;margin-top:38px}.skill-more{background:var(--ink);color:#fff}.loading-copy{padding:30px 0;color:#627376}.risk-note{color:#8b5c22;font-size:10px}
@media (max-width:900px){.assistant-shell{grid-template-columns:1fr}.assistant-controls{border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.assistant-controls label{margin:0}.assistant-status,.text-button{align-self:end}.skill-toolbar{align-items:stretch;flex-direction:column}.skill-categories{justify-content:flex-start}.skill-grid{grid-template-columns:1fr 1fr}.skill-card:nth-child(n){padding:25px 22px;border-right:1px solid #bdc9c6}.skill-card:nth-child(2n){border-right:0}}
@media (max-width:620px){.assistant-section,.skill-center{padding:82px 0}.assistant-controls{grid-template-columns:1fr}.assistant-shell{min-height:700px}.chat-log{padding:20px}.chat-message{max-width:94%}.chat-composer{grid-template-columns:1fr}.skill-grid{grid-template-columns:1fr}.skill-card:nth-child(n){padding:24px 0;border-right:0}.site-nav{overflow-y:auto;max-height:calc(100vh - 70px)}}
@media (max-width:900px){.site-nav{position:fixed;inset:82px 0 auto;background:#07141a;padding:28px 24px 36px;display:none;flex-direction:column;align-items:stretch;gap:22px}.site-nav.open{display:flex}.menu-toggle{display:block}.hero-metrics div{padding:0 24px}.intro-grid,.section-heading,.ip-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:38px}.service-list,.method-track{grid-template-columns:1fr 1fr}.service-list article:nth-child(2){border-right:0}.product-layout{grid-template-columns:1fr}.section-heading{align-items:start}.contact-grid{gap:60px}}
@media (max-width:620px){.container,.nav-shell{width:min(calc(100% - 32px),var(--max))}.nav-shell{height:70px}.site-nav{top:70px}.hero{min-height:92vh}.hero-content{padding-top:110px}.hero h1{font-size:58px}.hero-lead{font-size:28px}.hero-copy{font-size:15px}.hero-metrics{margin-top:38px}.hero-metrics div{padding:0 15px}.hero-metrics dt{font-size:24px}.hero-next{display:none}.intro-band,.products,.ip-section,.method,.about,.contact{padding:82px 0}.intro-grid h2,.section-heading h2,.ip-title h2,.about h2,.contact h2{font-size:37px}.service-list,.method-track{grid-template-columns:1fr}.service-list article,.service-list article:not(:first-child),.method-track article,.method-track article:not(:first-child){padding:26px 0;border-right:0;border-bottom:1px solid #bdc9c6;min-height:auto}.method-track article,.method-track article:not(:first-child){border-color:var(--line);padding:32px 0}.service-list h3,.method-track h3{margin:16px 0 6px}.product-body,.product-pair article{padding:27px 24px}.product-body ul{grid-template-columns:1fr}.ip-copy>p{font-size:17px}.founder-profile{grid-template-columns:72px 1fr}.founder-monogram{width:66px;height:84px;font-size:20px}.contact-form{grid-template-columns:1fr}.contact-form label:nth-child(4){grid-column:auto}.footer-grid{grid-template-columns:1fr;justify-items:start}.footer-grid>p{text-align:left}.footer-grid>div{align-items:flex-start}.brand small{letter-spacing:1.5px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-media{animation:none}*{transition:none!important}}