@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}}:root{--graphite:#182128;--engineering-blue:#31566f;--riccati-red:#b82b32;--warm-offwhite:#f4f3ef;--steel-gray:#8a9298;--ink:#20282e;--paper:#fff;--line:#d8d9d6;--muted:#626b70;--container:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--warm-offwhite)}body{background:var(--warm-offwhite);color:var(--ink);text-rendering:optimizelegibility;margin:0;font-family:Arial,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}img{max-width:100%;display:block}.site-shell{min-height:100vh;overflow:clip}.container{width:min(var(--container), calc(100% - 48px));margin:0 auto}.site-header{z-index:50;border-top:4px solid var(--riccati-red);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f4f3eff5;position:sticky;top:0}.header-inner{grid-template-columns:190px 1fr auto;align-items:center;gap:24px;min-height:76px;display:grid}.brand-link{align-items:center;display:inline-flex}.brand-lockup{gap:12px}.header-logo-symbol{flex:none;width:46px;height:46px}.brand-wordmark{color:var(--graphite);letter-spacing:.08em;font-family:Arial,Microsoft YaHei,sans-serif;font-size:28px;font-weight:700;line-height:1}.primary-nav{letter-spacing:.01em;justify-content:center;align-items:center;gap:24px;font-size:13px;font-weight:700;display:flex}.primary-nav a{padding:28px 0 24px;position:relative}.primary-nav a:after{content:"";background:var(--riccati-red);height:2px;transition:right .16s;position:absolute;bottom:17px;left:0;right:100%}.primary-nav a:hover:after,.primary-nav a:focus-visible:after{right:0}.language-nav{align-items:center;gap:7px;font-size:12px;font-weight:700;display:flex}.language-nav a{text-align:center;border:1px solid #0000;min-width:30px;padding:7px 8px}.language-nav a.active{border-color:var(--engineering-blue);color:var(--engineering-blue)}.hero{color:#fff;background:var(--graphite);position:relative}.hero-accent{background:var(--riccati-red);height:5px}.hero-grid{grid-template-columns:minmax(0,1.45fr) minmax(320px,.7fr);align-items:center;gap:70px;min-height:640px;padding-top:88px;padding-bottom:88px;display:grid}.eyebrow,.kicker,.panel-label,.rail-title{color:var(--riccati-red);letter-spacing:.14em;text-transform:uppercase;margin:0 0 20px;font-size:12px;font-weight:800}.hero h1{letter-spacing:-.045em;max-width:850px;margin:0;font-size:clamp(48px,6.1vw,86px);font-weight:700;line-height:.98}.hero h1 span{color:#cfd5d8;margin-top:10px;font-weight:400;display:block}.hero-body{color:#d8dddf;max-width:760px;margin:32px 0 0;font-size:19px;line-height:1.65}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:36px;display:flex}.button{cursor:pointer;border:1px solid #0000;border-radius:2px;justify-content:center;align-items:center;min-height:48px;padding:0 20px;font-size:14px;font-weight:800;transition:background .14s,border-color .14s,color .14s;display:inline-flex}.button-primary{background:var(--riccati-red);color:#fff}.button-primary:hover,.button-primary:focus-visible{background:#9f252b}.button-ghost{color:#fff;border-color:#68767d}.button-ghost:hover,.button-ghost:focus-visible{border-color:#fff}.decision-rail{border-left:1px solid #65727a;padding-left:34px}.rail-title{color:#aeb8bc;margin-bottom:26px}.rail-list{display:grid}.rail-item{border-top:1px solid #3b474e;grid-template-columns:44px 1fr;gap:14px;padding:22px 0;display:grid}.rail-number{color:var(--riccati-red);font-size:13px;font-weight:800}.rail-item strong{font-size:18px;display:block}.rail-item p{color:#adb7bc;margin:7px 0 0;font-size:14px;line-height:1.5}.section{background:var(--warm-offwhite);padding:112px 0}.section-heading{max-width:900px;margin-bottom:52px}.section-heading h2,.section-contact h2{max-width:900px;color:var(--graphite);letter-spacing:-.035em;margin:0;font-size:clamp(34px,4.4vw,58px);line-height:1.04}.section-intro,.about-body,.contact-intro{max-width:900px;color:var(--muted);margin:24px 0 0;font-size:18px;line-height:1.72}.service-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.service-card{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;min-height:260px;padding:28px}.card-index{color:var(--riccati-red);margin-bottom:48px;font-size:12px;font-weight:800;display:block}.service-card h3,.digital-card h3,.evidence-card h3,.method-step h3,.not-item h3,.name-story h3{color:var(--graphite);margin:0 0 12px;font-size:19px;line-height:1.25}.service-card p,.digital-card p,.evidence-card p,.method-step p,.not-item p,.name-story p{color:var(--muted);margin:0;font-size:15px;line-height:1.62}.section-dark{color:#fff;background:var(--graphite)}.section-dark .kicker{color:#d45157}.section-dark .section-heading h2{color:#fff}.section-dark .section-intro{color:#bdc6ca}.method-grid{border-top:1px solid #465158;grid-template-columns:repeat(4,1fr);display:grid}.method-step{border-right:1px solid #465158;min-height:290px;padding:32px 28px;position:relative}.method-step:last-child{border-right:0}.method-step>span{color:#d45157;margin-bottom:72px;font-size:13px;font-weight:800;display:block}.method-step h3{color:#fff;font-size:24px}.method-step p{color:#b9c2c6}.section-bluewash{background:#e9edef}.engineering-quote{border-left:4px solid var(--riccati-red);max-width:850px;color:var(--engineering-blue);margin:-14px 0 46px;padding:20px 0 20px 24px;font-size:22px;font-weight:700;line-height:1.45}.digital-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.digital-card{border-top:3px solid var(--engineering-blue);background:#ffffffc7;min-height:210px;padding:26px}.evidence-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.evidence-card{border:1px solid var(--line);background:#fff;min-height:250px;padding:30px}.evidence-mark{background:var(--riccati-red);width:46px;height:4px;margin-bottom:64px;display:block}.evidence-note{color:#59636a;margin:18px 0 0;font-size:14px;line-height:1.5}.section-about{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.about-grid{grid-template-columns:1.15fr .85fr;gap:90px;display:grid}.about-body{max-width:720px}.name-story{border-top:1px solid var(--line);max-width:720px;margin-top:46px;padding-top:28px}.name-story h3{font-size:22px}.not-panel{background:var(--warm-offwhite);border-top:5px solid var(--engineering-blue);align-self:start;padding:34px}.panel-label{color:var(--engineering-blue)}.not-item{border-top:1px solid var(--line);padding:22px 0}.not-item:first-of-type{border-top:0}.section-contact{color:#fff;background:var(--engineering-blue)}.section-contact .kicker{color:#f0a4a8}.section-contact h2{color:#fff}.contact-grid{grid-template-columns:.82fr 1.18fr;align-items:start;gap:90px;display:grid}.contact-intro{color:#d8e0e4}.contact-brand{align-items:center;gap:16px;margin-top:44px;display:flex}.contact-brand img{width:62px;height:62px}.contact-brand strong,.contact-brand span{display:block}.contact-brand strong{letter-spacing:.08em;font-size:17px}.contact-brand span{color:#c6d1d6;margin-top:4px;font-size:12px}.contact-form{color:var(--graphite);background:#fff;padding:34px}.field-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.contact-form label{margin-bottom:18px;display:block}.contact-form label>span{color:var(--graphite);letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:800;display:block}.contact-form input,.contact-form textarea{width:100%;color:var(--graphite);background:#fff;border:1px solid #c8cdcf;border-radius:0;outline:none;padding:13px 14px}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--engineering-blue);box-shadow:0 0 0 2px #31566f1f}.contact-form textarea{resize:vertical}.honeypot{width:1px!important;height:1px!important;position:absolute!important;left:-10000px!important;overflow:hidden!important}.form-actions{align-items:center;gap:18px;min-height:50px;display:flex}.button-form{background:var(--riccati-red);color:#fff;flex:none}.button-form:disabled{cursor:wait;opacity:.65}.form-status{margin:0;font-size:13px;line-height:1.45}.form-status.success{color:#23613d}.form-status.error{color:#9b2329}.site-footer{color:#fff;background:#10171c;padding:44px 0}.footer-inner{grid-template-columns:360px 1fr auto;align-items:center;gap:42px;display:grid}.footer-logo{width:340px;height:auto}.footer-copy p{color:#d0d7da;margin:0;font-size:15px;line-height:1.5}.footer-languages a{color:#b9c3c7}.footer-languages a.active{color:#fff;border-color:#67747a}:focus-visible{outline-offset:3px;outline:3px solid #df666c}@media (max-width:1060px){.header-inner{grid-template-columns:180px 1fr auto}.primary-nav{display:none}.hero-grid,.contact-grid,.about-grid{gap:48px}.hero-grid{grid-template-columns:1fr 340px}.service-grid,.digital-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:800px){.container{width:min(100% - 30px, var(--container))}.header-inner{grid-template-columns:1fr auto;min-height:70px}.header-logo-symbol{width:42px;height:42px}.brand-wordmark{font-size:26px}.hero-grid{grid-template-columns:1fr;gap:52px;min-height:0;padding-top:72px;padding-bottom:64px}.decision-rail{padding-left:24px}.section{padding:82px 0}.method-grid,.evidence-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.method-step{border-bottom:1px solid #465158;border-right:0;min-height:220px}.method-step>span{margin-bottom:44px}.contact-grid{gap:46px}.footer-inner{grid-template-columns:1fr;gap:24px}.footer-logo{width:300px}.footer-languages{justify-self:start}}@media (max-width:560px){.site-header{position:static}.header-inner{gap:8px;padding:10px 0}.header-logo-symbol{width:38px;height:38px}.brand-wordmark{letter-spacing:.08em;font-size:24px}.footer-logo{width:250px;height:auto}.footer-copy p{font-size:14px}.language-nav{gap:2px}.language-nav a{min-width:26px;padding:6px;font-size:11px}.hero h1{font-size:44px}.hero-body,.section-intro,.about-body,.contact-intro{font-size:16px}.service-grid,.digital-grid,.field-row{grid-template-columns:1fr}.service-card{min-height:230px}.contact-form{padding:24px 18px}.form-actions{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}
