/* Native CSS brand system. Dials: variance 6, motion 3, density 4.
   Radius: 4px controls, 8px imagery. Layers: sticky header 10, skip link 20. */
:root{--surface:#f6f8f7;--raised:#edf2ef;--text:#172d28;--muted:#53665e;--line:#cbd7d0;--accent:#176557;--on-accent:#f6f8f7;--panel:#e2eee8;--focus:#176557;color-scheme:light}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--surface:#14211d;--raised:#1b2b25;--text:#edf4ef;--muted:#afc2b6;--line:#3b5145;--accent:#8ed5b9;--on-accent:#14211d;--panel:#233b30;--focus:#8ed5b9;color-scheme:dark}}
:root[data-theme=dark]{--surface:#14211d;--raised:#1b2b25;--text:#edf4ef;--muted:#afc2b6;--line:#3b5145;--accent:#8ed5b9;--on-accent:#14211d;--panel:#233b30;--focus:#8ed5b9;color-scheme:dark}
*{box-sizing:border-box}html{scroll-padding-top:90px}body{margin:0;background:var(--surface);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:5px}p{line-height:1.85;margin:0;color:var(--muted)}h1,h2,h3{margin:0;font-weight:600}img{display:block;width:100%;height:100%;object-fit:cover}button{color:inherit}button:active,.button:active{transform:scale(.98)}.container{width:min(1280px,calc(100% - 96px));margin:auto}.section{padding-top:104px;padding-bottom:104px}.skip{position:fixed;left:20px;top:-100px;background:var(--accent);color:var(--on-accent);padding:12px;z-index:20}.skip:focus{top:15px}.header{position:sticky;top:0;background:var(--surface);z-index:10;border-bottom:1px solid var(--line)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-mark{width:43px;height:43px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;border-radius:4px;font-size:24px;font-weight:600}.brand-name{font-size:21px;letter-spacing:.08em;font-weight:600}.brand-name span{display:block;font-size:10px;font-weight:400;letter-spacing:.09em;margin-top:3px}.nav-wrap nav{display:flex;gap:32px;margin-left:auto;font-size:14px}.nav-wrap nav a:hover{color:var(--accent)}.nav-actions{display:flex;gap:12px}.theme-button,.menu-button{background:transparent;border:1px solid var(--line);padding:7px 10px;font-size:12px;border-radius:4px}.menu-button{display:none}.hero{display:grid;grid-template-columns:1.04fr 1fr;align-items:center;gap:48px;padding-block:65px;min-height:610px}.eyebrow{font-size:13px;letter-spacing:.08em;color:var(--accent);margin-bottom:24px}.hero h1{font-size:clamp(36px,3.55vw,54px);letter-spacing:-.045em;line-height:1.4;white-space:nowrap}.hero-description{max-width:360px;margin-top:24px;font-size:16px}.button{display:inline-flex;align-items:center;gap:36px;padding:16px 23px;border-radius:4px;white-space:nowrap;font-size:14px;font-weight:500}.primary{background:var(--accent);color:var(--on-accent);margin-top:36px}.primary:hover{filter:brightness(.92)}.button span{font-size:20px}.hero-visual{height:420px;border-radius:8px;overflow:hidden}.intro-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--raised)}.intro-grid{display:grid;grid-template-columns:1fr 2fr;align-items:center;gap:45px;padding-block:30px}.intro-grid p{font-size:14px;color:var(--text);line-height:1.7}.intro-grid>div{display:flex;justify-content:space-between;gap:22px;font-size:18px;font-weight:500}.section-heading{margin-bottom:46px;max-width:720px}.section-heading h2,.about h2,.scope h2,.contact h2{font-size:clamp(28px,2.8vw,40px);letter-spacing:-.035em;line-height:1.4}.section-heading p{margin-top:15px;font-size:15px}.service-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px}.service-tabs{display:flex;flex-direction:column}.service-tabs button{position:relative;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:24px 40px 24px 20px;font-size:22px;font-weight:500}.service-tabs button:first-child{border-top:1px solid var(--line)}.service-tabs button span{display:block;font-size:12px;margin-top:10px;color:var(--muted);font-weight:400}.service-tabs button b{position:absolute;right:18px;top:25px;font-size:22px;font-weight:400}.service-tabs button[aria-selected=true]{background:var(--raised);color:var(--accent);border-left:3px solid var(--accent);padding-left:17px}.service-tabs button:hover{background:var(--raised)}.service-panel{padding:38px;background:var(--panel);border-radius:8px;display:flex;flex-direction:column;align-items:flex-start}.panel-category{font-size:13px;color:var(--accent);margin-bottom:30px}.service-panel h3{font-size:29px;line-height:1.6;max-width:370px}.service-panel>p{font-size:15px;margin-top:18px;max-width:380px}.service-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px;margin-bottom:36px}.service-tags span{font-size:12px;border:1px solid var(--line);padding:7px 11px;border-radius:4px}.text-link{display:inline-flex;align-items:center;gap:30px;color:var(--accent);font-size:14px;border:0;border-bottom:1px solid var(--accent);padding:0 0 6px;background:none;white-space:nowrap}.service-panel .text-link{margin-top:auto}.about{display:grid;grid-template-columns:1.12fr 1fr;gap:90px;align-items:center;border-top:1px solid var(--line)}.about-image{height:440px;border-radius:8px;overflow:hidden}.about .eyebrow{margin-bottom:18px}.about-copy>p:not(.eyebrow){margin-top:22px;font-size:15px}.company-signature{border-top:1px solid var(--line);margin-top:30px;padding-top:22px;font-size:14px;font-weight:500}.company-signature span{display:block;color:var(--muted);font-weight:400;font-size:11px;margin-top:8px}.approach{background:var(--raised)}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:65px}.process-grid article{border-left:1px solid var(--line);padding-left:25px}.process-verb{font-size:13px;color:var(--accent)}.process-grid h3{font-size:22px;margin-top:22px;margin-bottom:16px}.process-grid p{font-size:14px}.scope>p{margin-top:16px;font-size:14px}.scope-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:35px}.scope details{border-bottom:1px solid var(--line);padding:22px 0}.scope summary{cursor:pointer;font-size:17px;line-height:1.6}.scope details p{font-size:14px;margin-top:18px}.scope .scope-note{font-size:12px;margin-top:30px}.contact{background:var(--panel)}.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:55px}.contact-grid>div>p{margin-top:20px}.contact-information>span,.postal>span{font-size:13px;color:var(--muted)}.email{display:block;font-size:clamp(19px,2vw,28px);font-weight:500;margin-top:18px;overflow-wrap:anywhere;line-height:1.5;letter-spacing:-.02em}.email>span{margin-left:15px}.contact-information>.text-link{margin-top:20px;font-size:12px}.contact-information #copy-status{min-height:22px;margin-top:8px;font-size:12px}.postal{display:flex;align-items:center;gap:35px;margin-top:26px}.postal strong{font-size:16px;font-weight:500}.footer{padding-block:35px;display:flex;justify-content:space-between;gap:25px;align-items:center}.footer-company{display:flex;flex-direction:column;gap:8px}.footer-company strong{font-size:14px;font-weight:500}.footer-company span{font-size:10px;color:var(--muted)}.footer-legal{display:flex;flex-direction:column;gap:10px;font-size:11px;color:var(--muted);text-align:right}.footer-legal a:hover{text-decoration:underline}
@media(min-width:1600px){.hero{min-height:650px}.hero-visual{height:460px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.nav-wrap nav{gap:22px}.hero{gap:25px;min-height:550px;padding-block:50px}.hero h1{font-size:36px}.hero-visual{height:360px}.service-layout{gap:36px}.service-panel{padding:28px}.service-panel h3{font-size:25px}.about{gap:48px}.about-image{height:400px}.process-grid{gap:35px}}
@media(max-width:767px){.container{width:calc(100% - 40px)}.section{padding-block:64px}.nav-wrap{height:70px;gap:12px}.brand-name{font-size:17px}.brand-mark{width:36px;height:36px;font-size:21px}.brand-name span{font-size:8px}.nav-actions{gap:7px}.menu-button{display:block}.nav-wrap nav{display:none;position:absolute;top:70px;left:0;width:100%;padding:18px 20px 24px;background:var(--surface);border-bottom:1px solid var(--line);margin:0;flex-direction:column;gap:0}.nav-wrap nav.open{display:flex}.nav-wrap nav a{padding:13px 0;font-size:16px}.hero{grid-template-columns:1fr;gap:35px;min-height:auto;padding-block:42px}.hero h1{font-size:clamp(29px,7.8vw,43px);line-height:1.45}.eyebrow{margin-bottom:18px}.hero-description{font-size:14px;max-width:310px;margin-top:20px}.primary{margin-top:25px;padding:13px 20px}.hero-visual{height:270px}.intro-grid{grid-template-columns:1fr;gap:24px;padding-block:26px}.intro-grid>div{display:grid;grid-template-columns:1fr 1fr;gap:20px;font-size:16px}.intro-grid p br{display:none}.section-heading{margin-bottom:30px}.section-heading h2,.about h2,.scope h2,.contact h2{font-size:29px}.section-heading p{font-size:14px}.service-layout{grid-template-columns:1fr;gap:24px}.service-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.service-tabs button{border:1px solid var(--line);padding:15px 10px;font-size:16px;border-radius:4px}.service-tabs button span{font-size:10px;margin-top:9px}.service-tabs button b{display:none}.service-tabs button[aria-selected=true]{padding-left:10px;border:1px solid var(--accent)}.service-panel{min-height:370px;padding:27px}.service-panel h3{font-size:25px}.panel-category{margin-bottom:20px}.about{grid-template-columns:1fr;gap:36px}.about-image{height:285px}.process-grid{grid-template-columns:1fr;gap:30px}.process-grid article{padding-left:20px}.process-grid h3{margin-top:14px;margin-bottom:10px;font-size:21px}.scope-grid{grid-template-columns:1fr;gap:0;margin-top:25px}.scope summary{font-size:16px}.contact-grid{grid-template-columns:1fr;gap:35px}.email{font-size:19px}.footer{flex-direction:column;align-items:flex-start;padding-block:30px}.footer-legal{text-align:left;font-size:10px}}
@media(prefers-reduced-motion:no-preference){a,button{transition:background .18s ease,color .18s ease,transform .18s ease}html{scroll-behavior:smooth}}