@charset "UTF-8";
/* Flywheel Effect Limited — self-contained, responsive static website */
:root{--paper:#f5f5ed;--ink:#183b31;--muted:#66736a;--lime:#d1f478;--line:#d7ddd1;--dark:#153a30;--white:#fcfcf6;--sans:Arial,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:105px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}
button,a{-webkit-tap-highlight-color:transparent}
button,input{font:inherit}
a{color:inherit;text-decoration:none}
button{cursor:pointer}
svg{display:block}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:3px solid #559b28;outline-offset:5px}
.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}
.skip-link{position:fixed;top:-80px;left:20px;background:var(--lime);padding:15px 22px;z-index:100}
.skip-link:focus{top:15px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(245,245,237,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.header-inner{height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-icon{width:38px;height:38px}
.brand-name{font-size:20px;font-weight:750;letter-spacing:-.7px;line-height:1.03}
.brand-name span{display:block}
.desktop-nav{display:flex;align-items:center;gap:32px;font-size:13px;font-weight:600}
.desktop-nav>a:not(.nav-contact){padding-block:10px}
.desktop-nav>a:not(.nav-contact):hover{color:#6b832e}
.header-actions{display:flex;align-items:center;gap:22px}
.language-switch{display:flex;gap:9px;align-items:center;font-size:12px;white-space:nowrap}
.language-switch span[aria-hidden]{color:#adb5a7}
.language-switch a{padding:8px 0}
.language-switch a[aria-current]{font-weight:700;border-bottom:1px solid var(--ink)}
.language-switch a:not([aria-current]){color:var(--muted)}
.nav-contact{padding:13px 18px;background:var(--ink);color:var(--paper);border-radius:3px;display:inline-flex;align-items:center;gap:22px;font-size:13px}
.arrow{width:18px;height:18px;flex-shrink:0}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;width:42px;height:42px;border-radius:3px;align-items:center;justify-content:center}
.mobile-nav{display:none}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.9px;display:flex;align-items:center;gap:10px;text-transform:uppercase}
.dot{width:7px;height:7px;background:#55714c;border-radius:50%;display:inline-block;flex-shrink:0}
.hero{padding-top:60px;position:relative;overflow:hidden}
.hero-layout{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;min-height:535px;gap:30px}
.hero-copy{position:relative;z-index:1;padding:18px 0 55px}
h1,h2,h3,p{margin:0}
.hero h1{font-size:clamp(48px,5.15vw,76px);line-height:1.2;letter-spacing:-4px;font-weight:600;margin:29px 0 25px}
.hero h1 span{display:block}
.hero h1 em{font-style:normal;color:#78934c}
.hero-description{font-size:16px;line-height:1.95;max-width:470px;color:var(--muted)}
.hero-buttons{display:flex;align-items:center;gap:27px;flex-wrap:wrap;margin-top:33px}
.button{border:1px solid transparent;border-radius:3px;display:inline-flex;align-items:center;justify-content:center;gap:30px;padding:17px 23px;font-size:13px;font-weight:600;transition:background .2s,transform .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--ink);color:var(--paper)}
.button-primary:hover,.nav-contact:hover{background:#285744}
.text-link{display:inline-flex;align-items:center;gap:13px;font-size:13px;font-weight:600;padding:10px 0;border-bottom:1px solid var(--line)}
.text-link:hover{border-color:currentColor}
.hero-note{display:flex;align-items:center;gap:8px;margin-top:32px;font-size:10px;letter-spacing:1.1px;text-transform:uppercase;color:var(--muted)}
.hero-note .tiny-star{font-size:17px;color:#758851}
.wheel-scene{position:relative;aspect-ratio:1/1;max-width:540px;width:100%;margin:-5px auto 0}
.wheel-svg{width:100%;height:100%;overflow:visible}
.wheel-rotor{transform-origin:270px 270px;animation:turn 100s linear infinite}
.orbit-dots{transform-origin:270px 270px;animation:turn 65s linear infinite reverse}
@keyframes turn{to{transform:rotate(360deg)}}
.scene-label{position:absolute;font-size:10px;letter-spacing:1px;background:var(--paper);padding:7px 9px;border:1px solid var(--line);display:flex;align-items:center;gap:7px;border-radius:3px}
.scene-label:before{content:"";height:5px;width:5px;background:#78934c;border-radius:50%}
.scene-label.one{top:15%;left:0}
.scene-label.two{bottom:17%;right:-1%}
.scene-bottom{position:absolute;bottom:1%;left:50%;transform:translateX(-50%);width:100%;text-align:center;font-size:9px;letter-spacing:2px;color:#788174}
.hero-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding:25px 0 30px;margin-top:20px;font-size:10px;letter-spacing:1.1px;text-transform:uppercase}
.hero-bottom .capabilities{display:flex;align-items:center;gap:25px}
.capabilities span+span:before{content:"/";color:#9ca792;margin-right:25px}
.scroll-link{display:flex;align-items:center;gap:10px;color:var(--muted)}
.scroll-link svg{transform:rotate(90deg);width:14px}
.section{padding-block:105px}
.section-intro{display:flex;justify-content:space-between;gap:50px;align-items:flex-end;margin-top:26px}
.section-intro h2,.about h2{font-size:43px;font-weight:500;line-height:1.35;letter-spacing:-1.8px}
.section-intro>p{max-width:380px;font-size:14px;line-height:1.9;color:var(--muted)}
.services{background:var(--dark);color:var(--paper);border-radius:10px 10px 0 0}
.services .eyebrow{color:var(--lime)}
.services .dot{background:var(--lime)}
.services .section-intro>p{color:#b3c5b8}
.service-grid{margin-top:54px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #416052;border-bottom:1px solid #416052}
.service-card{padding:33px 25px 32px;min-width:0;border-right:1px solid #416052;display:flex;flex-direction:column;align-items:flex-start}
.service-card:first-child{padding-left:0}
.service-card:last-child{border-right:0;padding-right:0}
.service-top{display:flex;align-items:center;justify-content:space-between;width:100%;margin-bottom:36px}
.service-icon{width:35px;height:35px;color:var(--lime)}
.service-num{font-size:10px;font-family:monospace;color:#9db3a4}
.service-card h3{font-size:20px;font-weight:500;line-height:1.4;margin-bottom:15px}
.service-card p{font-size:13px;line-height:1.95;color:#b3c5b8}
.service-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:30px}
.service-tags span{border:1px solid #416052;border-radius:3px;font-size:10px;line-height:1.4;padding:5px 8px;color:#c3d3c5}
.services-bottom{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.5px;margin-top:25px;color:#afc5b6}
.services-bottom svg{width:14px;height:14px;color:var(--lime)}
.process{padding-bottom:112px}
.process-grid{margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.process-step{position:relative}
.step-marker{border-top:1px solid #b5c2a9;padding-top:22px;display:flex;align-items:center;justify-content:space-between;font-family:monospace;font-size:11px}
.step-marker:before{position:absolute;content:"";top:-4px;left:0;width:7px;height:7px;background:var(--ink);border-radius:50%}
.step-marker svg{width:16px;height:16px;color:#92a080}
.process-step h3{font-size:20px;font-weight:500;margin:23px 0 15px}
.process-step p{font-size:13px;line-height:1.9;color:var(--muted);max-width:250px}
.about{border-top:1px solid var(--line);padding-block:95px}
.about-grid{display:grid;grid-template-columns:.9fr 1fr;gap:100px;align-items:center}
.about-art{background:#e9eddf;border-radius:5px;aspect-ratio:1.12;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.about-art svg{width:83%;height:83%}
.art-top{position:absolute;left:25px;top:25px;font-size:10px;letter-spacing:1.7px}
.art-bottom{position:absolute;bottom:25px;left:25px;right:25px;display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.5px}
.about h2{margin:25px 0 24px}
.about-copy>p{font-size:14px;line-height:2;color:var(--muted);margin-bottom:16px}
.principles{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.principles span{font-size:11px;padding:9px 12px;border:1px solid #c8d3bd;border-radius:3px}
.faq{padding-top:10px;padding-bottom:95px}
.faq-grid{display:grid;grid-template-columns:.65fr 1fr;gap:80px}
.faq h2{font-size:30px;font-weight:500;letter-spacing:-1px;margin-top:25px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:23px 35px 23px 0;font-size:14px;font-weight:600;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:2px;top:20px;font-size:22px;font-weight:400}
details[open] summary:after{content:"−"}
details p{padding:0 35px 25px 0;font-size:13px;line-height:1.9;color:var(--muted)}
.contact{background:var(--lime);padding:74px 0 65px}
.contact-top{display:flex;justify-content:space-between;align-items:center;gap:50px}
.contact h2{font-size:48px;font-weight:500;line-height:1.3;letter-spacing:-2px;margin-top:20px}
.contact-intro{margin-top:17px;font-size:14px;line-height:1.8}
.contact-action{flex-shrink:0}
.contact-info{margin-top:48px;padding-top:30px;border-top:1px solid #a6c65d;display:grid;grid-template-columns:1fr 1.3fr;gap:45px}
.contact-label{font-size:10px;letter-spacing:1.5px;margin-bottom:13px;font-weight:600}
.email-link{font-size:23px;letter-spacing:-.5px;overflow-wrap:anywhere}
.email-link:hover{text-decoration:underline;text-underline-offset:5px}
address{font-style:normal;font-size:13px;line-height:1.9;max-width:540px}
.address-actions{display:flex;gap:20px;margin-top:13px;align-items:center}
.address-actions a,.copy-address{display:inline-flex;align-items:center;gap:5px;font-size:11px;background:none;padding:4px 0;border:0;border-bottom:1px solid #8aa74e;color:var(--ink)}
.address-actions svg{width:12px;height:12px}
.footer{padding:35px 0 24px}
.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px}
.footer .brand-name{font-size:17px}
.footer .brand-icon{width:32px;height:32px}
.footer-nav{display:flex;gap:25px;font-size:11px}
.footer-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);line-height:1.8}
.footer-motto{letter-spacing:1.5px;text-transform:uppercase}
.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:var(--paper);padding:13px 20px;border-radius:5px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50;max-width:90vw;text-align:center}
.toast.visible{opacity:1;transform:translate(-50%,0)}
[lang=en] .hero h1{font-size:clamp(49px,5.5vw,80px);line-height:1.02;letter-spacing:-4px}
[lang=en] .hero-description{max-width:450px;font-size:15px;line-height:1.85}
[lang=en] .section-intro h2,[lang=en] .about h2{line-height:1.16}
[lang=en] .service-card h3{font-size:20px;letter-spacing:-.4px}
[lang=en] .contact h2{line-height:1.1}
@media(min-width:1500px){.hero-layout{min-height:580px}.hero{padding-top:75px}.wheel-scene{max-width:570px}.hero h1{font-size:76px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.desktop-nav{gap:22px}.header-actions{gap:18px}.header-inner{gap:18px}.hero h1{letter-spacing:-2px}.hero-layout{gap:20px}.scene-label.one{left:-4%}.service-card{padding-inline:18px}.about-grid{gap:55px}.section-intro h2,.about h2{font-size:37px}.contact h2{font-size:42px}.hero-bottom .capabilities{gap:16px}.capabilities span+span:before{margin-right:16px}}
@media(max-width:850px){.header-inner{height:77px}.desktop-nav{display:none}.menu-toggle{display:flex}.header-actions{margin-left:auto}.mobile-nav:not([hidden]){display:flex;flex-direction:column;padding:10px 32px 24px;border-top:1px solid var(--line);gap:4px}.mobile-nav a{padding:13px 0;font-size:14px}.hero{padding-top:40px}.hero-layout{grid-template-columns:1.1fr 1fr;min-height:460px;gap:4px}.hero h1{font-size:46px}.hero-description{font-size:14px}.hero-buttons{gap:15px}.button{gap:18px;padding:15px 19px}.scene-label{font-size:8px}.scene-label.one{top:12%}.hero-note{font-size:8px}.hero-bottom{font-size:8px}.section{padding-block:75px}.section-intro{gap:30px}.section-intro h2,.about h2{font-size:32px}.section-intro>p{max-width:310px;font-size:13px}.service-grid{grid-template-columns:repeat(2,1fr);margin-top:38px}.service-card{padding:28px!important}.service-card:nth-child(2){border-right:0}.service-card:nth-child(-n+2){border-bottom:1px solid #416052}.service-card:nth-child(odd){padding-left:0!important}.service-top{margin-bottom:24px}.service-card h3{font-size:21px}.process-grid{gap:20px}.process-step h3{font-size:17px}.about{padding-block:75px}.about-grid{gap:36px}.about-art{aspect-ratio:.85}.faq-grid{gap:35px;grid-template-columns:.5fr 1fr}.contact h2{font-size:36px}.contact-info{gap:25px}.email-link{font-size:20px}[lang=en] .hero h1{font-size:52px;letter-spacing:-2.5px}[lang=en] .hero-description{font-size:13px}}
@media(max-width:620px){.wrap{width:calc(100% - 40px)}.brand-name{font-size:17px}.brand-icon{width:32px;height:32px}.header-actions{gap:16px}.language-switch{font-size:11px;gap:7px}.menu-toggle{width:36px;height:36px}.header-inner{height:72px;gap:10px}.mobile-nav:not([hidden]){padding-inline:20px}.hero{padding-top:37px}.hero-layout{grid-template-columns:1fr;gap:0;min-height:0}.hero-copy{padding:0}.eyebrow{font-size:9px;letter-spacing:1.5px}.hero h1{font-size:48px;line-height:1.24;margin:25px 0 22px;letter-spacing:-2.6px}.hero-description{font-size:14px;max-width:380px;line-height:1.9}.hero-buttons{margin-top:27px;gap:24px}.hero-note{margin-top:25px;font-size:9px}.wheel-scene{width:86%;max-width:390px;margin:16px auto 14px}.scene-label{font-size:8px}.scene-label.one{left:-6%;top:20%}.scene-label.two{right:-6%;bottom:19%}.scene-bottom{font-size:8px;letter-spacing:1.5px;bottom:0}.hero-bottom{margin-top:8px;padding:21px 0;align-items:flex-start;font-size:8px}.hero-bottom .capabilities{gap:9px;flex-wrap:wrap;max-width:270px;line-height:1.8}.capabilities span+span:before{margin-right:9px}.scroll-link{gap:6px;white-space:nowrap}.section{padding-block:58px}.section-intro{display:block;margin-top:22px}.section-intro h2,.about h2{font-size:31px;letter-spacing:-1px}.section-intro>p{max-width:100%;margin-top:20px;font-size:13px}.service-grid{margin-top:32px;grid-template-columns:1fr}.service-card{padding:25px 0!important;border-right:0;border-bottom:1px solid #416052}.service-card:last-child{border-bottom:0}.service-top{margin-bottom:18px}.service-icon{width:30px;height:30px}.service-card h3{font-size:21px;margin-bottom:10px}.service-card p{max-width:100%}.service-tags{padding-top:20px}.services-bottom{font-size:10px;line-height:1.8;align-items:flex-start}.services-bottom svg{margin-top:2px;flex-shrink:0}.process-grid{grid-template-columns:repeat(2,1fr);gap:35px 23px;margin-top:40px}.process-step h3{font-size:18px;margin:19px 0 12px}.process-step p{font-size:12px}.step-marker{padding-top:17px}.about{padding-block:55px}.about-grid{grid-template-columns:1fr;gap:34px}.about-art{aspect-ratio:1.25}.about-copy{grid-row:1}.about h2{margin-top:22px}.about-copy>p{font-size:13px}.principles{margin-top:23px;gap:8px}.principles span{font-size:10px;padding:8px 10px}.faq{padding-top:4px;padding-bottom:55px}.faq-grid{grid-template-columns:1fr;gap:26px}.faq h2{font-size:28px;margin-top:18px}summary{font-size:13px;padding-block:21px}details p{font-size:12px}.contact{padding:53px 0 42px}.contact-top{display:block}.contact h2{font-size:37px;margin-top:20px;letter-spacing:-1.5px}.contact-intro{font-size:13px;margin-top:16px}.contact-action{margin-top:25px}.contact-info{grid-template-columns:1fr;gap:27px;margin-top:31px;padding-top:26px}.email-link{font-size:23px}.contact-label{font-size:9px;margin-bottom:10px}address{font-size:12px}.footer{padding-top:29px}.footer-top{align-items:flex-start;gap:20px}.footer-nav{gap:14px;font-size:10px;padding-top:7px}.footer .brand-name{font-size:15px}.footer .brand-icon{width:28px;height:28px}.footer-bottom{margin-top:25px;padding-top:19px;flex-direction:column;gap:8px;font-size:9px}[lang=en] .hero h1{font-size:55px;line-height:1.02;letter-spacing:-3px}[lang=en] .hero-description{font-size:14px}[lang=en] .service-card h3{font-size:22px}[lang=en] .process-step h3{font-size:18px}[lang=en] .contact h2{font-size:42px}}
@media(max-width:360px){.hero h1{font-size:42px}.header-actions{gap:10px}.brand-name{font-size:15px}.brand-icon{width:29px}.hero-buttons{gap:17px}.contact h2{font-size:32px}.footer-nav{gap:10px}[lang=en] .hero h1{font-size:48px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}