:root{--green:#029E3D;--green-2:#028333;--mint:#8ed9aa;--sand:#f2fbf5;--cream:#fff;--gold:#029E3D;--ink:#17201d;--muted:#66716d;--white:#fff;--line:rgba(2,158,61,.16);--radius:28px;--shadow:0 28px 80px rgba(2,126,48,.12);--content-title-size:clamp(25px,3.2vw,40px);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--cream);font-synthesis:none;text-rendering:optimizeLegibility}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;background:var(--cream);line-height:1.7;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.container{width:min(1200px,calc(100% - 48px));margin:auto}.narrow{width:min(960px,calc(100% - 48px))}.skip-link{position:fixed;left:16px;top:-80px;z-index:999;padding:10px 18px;background:#fff;border-radius:12px}.skip-link:focus{top:16px}.boot-screen{height:100vh;display:grid;place-content:center;text-align:center;color:var(--green)}.brand-mark{width:44px;height:44px;border-radius:50% 50% 50% 10%;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--green-2),var(--green));font-family:serif;font-size:23px;box-shadow:0 10px 30px rgba(21,63,53,.2)}
.header{position:fixed;inset:0 0 auto;z-index:100;height:104px;padding-top:16px;background:transparent;color:var(--ink);pointer-events:none;transition:height .35s,padding .35s,background .35s,box-shadow .35s}.header.is-scrolled{height:72px;padding-top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 10px 35px rgba(2,158,61,.09)}.nav-shell{height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.7);border-radius:18px;box-shadow:0 18px 55px rgba(0,60,24,.14);backdrop-filter:blur(18px);pointer-events:auto;transition:.35s}.header.is-scrolled .nav-shell{height:72px;padding:0;background:transparent;border-color:transparent;border-radius:0;box-shadow:none;backdrop-filter:none}.logo{display:flex;align-items:center;gap:12px;min-width:0}.logo-image{display:block;width:auto;max-width:150px;height:46px;object-fit:contain;flex:none}.header.is-scrolled .logo-image{height:40px}.logo>span:last-child{display:flex;flex-direction:column;line-height:1.2}.logo strong{font-size:18px;letter-spacing:.14em;white-space:nowrap}.header .logo strong{color:#009E3C}.logo small{font-size:10px;opacity:.68;margin-top:6px;letter-spacing:.08em;white-space:nowrap}.nav{display:flex;gap:26px;align-items:center}.nav a{font-size:16px;font-weight:600;position:relative;white-space:nowrap;transition:color .3s}.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:#029E3D;transition:.3s}.nav a:hover,.nav a.is-active{color:#029E3D}.nav a:hover:after,.nav a.is-active:after{right:0}.menu-button{display:none;border:0;background:none;width:40px;height:40px;padding:10px}.menu-button span{display:block;height:2px;background:currentColor;margin:6px 0}
.hero{height:max(720px,100svh);min-height:680px;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden;background:#005320}.hero-backgrounds,.hero-background{position:absolute;inset:0}.hero-background{background-position:center;background-size:cover;background-repeat:no-repeat;opacity:0;transition:opacity 1.5s ease;will-change:opacity}.hero-background.is-active{opacity:1}.hero:after{content:"";position:absolute;z-index:1;inset:auto 0 0;height:180px;background:linear-gradient(transparent,rgba(0,83,32,.54))}.hero-glow{position:absolute;z-index:1;width:700px;height:700px;left:-200px;top:-180px;border-radius:50%;background:rgba(2,158,61,.18);filter:blur(80px)}.hero-grid{position:absolute;z-index:1;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(90deg,#000,transparent 72%)}.hero-content{position:relative;z-index:2;width:min(810px,100%);padding-top:70px}.eyebrow,.section-kicker,.section-index{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:700;letter-spacing:.28em;text-transform:uppercase}.eyebrow i{width:38px;height:1px;background:#fff}h1{font-size:clamp(46px,6vw,78px);line-height:1.12;letter-spacing:-.035em;margin:28px 0 22px;max-width:980px}.hero-subtitle{font-size:clamp(20px,2.5vw,30px);font-weight:600;margin:0}.hero-description{font-size:17px;color:rgba(255,255,255,.8);margin:8px 0 34px}.hero-actions{display:flex;gap:14px}.button{min-height:52px;padding:0 26px;border:1px solid transparent;border-radius:999px;display:inline-flex;align-items:center;gap:14px;font-size:14px;font-weight:700}.button svg,.news-card svg,.cooperation-grid svg{width:18px;fill:none;stroke:currentColor;stroke-width:1.8}.button-primary{background:#029E3D;color:#fff}.button-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(2,158,61,.28)}.button-ghost{border-color:rgba(255,255,255,.5);color:#fff}.hero-trust{display:flex;gap:28px;margin-top:54px;color:rgba(255,255,255,.8);font-size:13px}.hero-trust span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#fff;margin-right:9px}
.section{padding:128px 0}.section-label{position:relative;z-index:2;width:max-content;margin:0 auto 58px;padding:4px 20px;color:#029E3D;font-size:28px;font-weight:800;letter-spacing:.08em;text-align:center}.section-label:after{content:"";display:block;width:42px;height:3px;margin:12px auto 0;border-radius:99px;background:#029E3D}.section-index{color:var(--green-2)}.section-heading{width:100%;max-width:none;margin-bottom:64px}.section-heading h2,.section-copy h2,.mini-copy h2{font-size:var(--content-title-size);line-height:1.38;letter-spacing:-.02em;margin:18px 0;color:#009E3C;font-weight:600;text-wrap:balance}.section-heading>p,.section-copy>p,.mini-copy>p{font-size:18px;color:var(--muted)}.section-heading.light{color:#fff}.section-heading.light .section-index{color:#9ed0bb}.section-heading.light>p{color:rgba(255,255,255,.65)}.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s,transform .8s}.reveal.is-visible{opacity:1;transform:none}
.intro-section{background:#fff}.section-kicker{display:block;text-align:center;color:var(--green-2);margin-bottom:25px}.definition{font-size:var(--content-title-size);line-height:1.55;text-align:center;font-weight:600;margin:0;color:#009E3C}.intro-lead{text-align:center;color:var(--muted);font-size:17px;max-width:780px;margin:28px auto 56px}.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden}.pain-grid div{padding:26px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:24px}.pain-grid div:last-child{border:0}.pain-grid b{color:var(--gold);font-size:13px}.pain-grid span{font-weight:600}.action-line{margin-top:46px;padding:30px;border-radius:22px;background:linear-gradient(135deg,#009E3C,#1B7A31);color:#fff;box-shadow:0 22px 55px rgba(0,126,48,.2);display:grid;grid-template-columns:150px 1fr;align-items:stretch;gap:24px}.action-head{display:flex;flex-direction:column;justify-content:center;padding-right:24px;border-right:1px solid rgba(255,255,255,.28)}.action-head small,.value-heading small{font-size:10px;letter-spacing:.2em;opacity:.72}.action-head b,.value-heading b{font-size:20px;margin-top:6px}.action-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.action-steps span{min-height:92px;padding:16px;border:1px solid rgba(255,255,255,.2);border-radius:15px;background:rgba(255,255,255,.1);display:flex;flex-direction:column;justify-content:center;gap:6px}.action-steps em{font-size:10px;font-style:normal;letter-spacing:.14em;opacity:.72}.action-steps strong{font-size:14px;line-height:1.5}
.brand-section{background:var(--sand)}.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:8vw;align-items:center}.media-frame{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.media-frame img{width:100%;height:690px;object-fit:cover}.media-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 60%,rgba(10,34,28,.75))}.media-frame>span{position:absolute;z-index:2;bottom:28px;left:30px;color:#fff;font-size:14px;letter-spacing:.15em}.section-copy blockquote{margin:32px 0;padding:24px;border-left:3px solid var(--gold);background:rgba(255,255,255,.55);font-size:17px;font-weight:600}.path-list article{display:flex;gap:20px;padding:24px 0;border-top:1px solid var(--line)}.path-list article>b{color:var(--gold)}.path-list h3{margin:0 0 4px;font-size:18px}.path-list p{margin:0;color:var(--muted);font-size:14px}
.story-section{background:#fff}.story-layout{display:grid;grid-template-columns:1.25fr .75fr;grid-template-rows:1fr 1fr;gap:18px}.story-photo{grid-row:1/3;border-radius:var(--radius);overflow:hidden;min-height:620px}.story-photo img{width:100%;height:100%;object-fit:cover}.story-card{padding:38px;border-radius:var(--radius);display:flex;flex-direction:column;justify-content:center}.story-card>span{font-size:12px;letter-spacing:.18em;margin-bottom:22px}.story-card ul{margin:0;padding:0;list-style:none}.story-card li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.13)}.negative{background:var(--sand)}.negative li{border-color:var(--line)}.belief{background:var(--green);color:#fff}.belief strong{font-size:21px;line-height:1.6;margin-bottom:16px}.concepts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:70px;background:var(--line)}.concepts article{background:#fff;text-align:center;padding:58px 30px}.concepts small{letter-spacing:.3em;color:var(--green-2)}.concepts h3{font-size:24px;margin:14px 0 8px}.concepts p{color:var(--muted);margin:0}
.products-section{background:var(--sand);color:var(--ink);position:relative;overflow:hidden}.products-section:before{content:"双引擎";position:absolute;right:-30px;top:10px;font-size:190px;font-weight:900;color:rgba(2,158,61,.045)}.engine-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.engine-card{padding:50px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 18px 48px rgba(2,126,48,.08)}.engine-icon{width:60px;height:60px;border-radius:20px;background:#029E3D;color:#fff;display:grid;place-items:center;font-weight:800;font-size:22px;margin-bottom:40px}.engine-card>span{font-size:11px;letter-spacing:.25em;color:var(--green-2)}.engine-card h3{font-size:30px;margin:8px 0 22px}.engine-card ul{list-style:none;padding:0;margin:0 0 30px}.engine-card li{padding:12px 0;border-bottom:1px solid var(--line)}.engine-card li:before{content:"✓";color:#029E3D;margin-right:12px}.engine-card p{margin:0;color:var(--muted);font-size:14px}.value-strip{display:grid;grid-template-columns:220px 1fr;align-items:center;gap:28px;margin-top:28px;border:0;border-radius:22px;padding:30px;background:linear-gradient(135deg,#009E3C,#1B7A31);color:#fff;box-shadow:0 22px 55px rgba(0,126,48,.18)}.value-heading{display:flex;flex-direction:column}.value-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.value-items span{padding:13px 16px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:rgba(255,255,255,.1);font-size:13px;color:#fff;font-weight:600}
.mini-section{background:#fff}.mini-layout{display:grid;grid-template-columns:1fr .9fr;gap:8vw;align-items:center}.mini-subtitle{color:var(--green)!important;font-weight:700}.feature-list{margin-top:40px}.feature-list article{display:flex;gap:22px;padding:22px 0;border-top:1px solid var(--line)}.feature-list article>b{color:var(--gold);font-size:13px}.feature-list h3{margin:0;font-size:19px}.feature-list p{margin:3px 0;color:var(--muted);font-size:14px}.feature-list article div div{display:flex;gap:8px;margin-top:10px}.feature-list span{font-size:11px;padding:3px 9px;background:var(--sand);border-radius:99px;color:var(--green)}.phone-visual{position:relative;padding:30px 30px 90px}.phone-visual>img{height:650px;width:100%;object-fit:cover;border-radius:180px 180px 36px 36px;box-shadow:var(--shadow)}.qr-card{position:absolute;right:0;bottom:20px;background:#fff;border-radius:20px;padding:16px;box-shadow:var(--shadow);text-align:center}.qr-card img,.qr-placeholder{width:116px;height:116px;display:grid;place-items:center;background:repeating-linear-gradient(45deg,#eee,#eee 5px,#fff 5px,#fff 10px);font-size:12px;color:var(--muted)}.qr-card p{margin:8px 0 0;font-size:11px}
.news-section{background:var(--sand)}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.news-card{padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff;transition:.3s}.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}.news-card>div{display:flex;justify-content:space-between;color:var(--green-2);font-size:12px}.news-card time{color:var(--muted)}.news-card h3{font-size:22px;line-height:1.45;margin:35px 0 14px}.news-card p{color:var(--muted);font-size:14px;min-height:72px}.news-card>b{font-size:13px;display:flex;align-items:center;gap:8px;margin-top:32px}.news-card svg{width:16px}
.cooperation-section{background:#fff;color:var(--ink)}.cooperation-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.cooperation-grid article{padding:50px;border-radius:var(--radius);background:var(--sand);border:1px solid var(--line)}.cooperation-grid article>span{color:var(--green-2)}.cooperation-grid h3{font-size:34px;margin:20px 0 4px;color:var(--ink)}.cooperation-grid p{color:var(--muted)}.cooperation-grid ul{list-style:none;padding:20px 0;margin:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cooperation-grid li{padding:6px 0}.cooperation-grid li:before{content:"—";color:#029E3D;margin-right:10px}.cooperation-grid a{display:flex;align-items:center;justify-content:space-between;margin-top:24px;color:#029E3D}
.footer{background:#1B7A31;color:#fff;padding:70px 0 26px;border-top:1px solid rgba(255,255,255,.18)}.footer-main{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(420px,1.15fr);align-items:start;gap:80px}.footer-brand>p{margin:22px 0 0;color:rgba(255,255,255,.82);font-size:13px}.footer-logo{width:max-content;max-width:100%;padding:10px 16px;border-radius:16px;background:#fff;color:#1B7A31}.footer-logo .logo-image{height:56px;max-width:180px}.footer-logo small{max-width:260px}.footer-navigation>strong{display:block;margin-bottom:18px;font-size:18px;letter-spacing:.12em}.footer-nav{display:flex;flex-wrap:wrap;gap:10px}.footer-nav a{padding:9px 16px;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;font-size:13px;transition:.25s}.footer-nav a:hover,.footer-nav a:focus-visible{background:#fff;color:#1B7A31;transform:translateY(-2px)}.footer-bottom{display:flex;justify-content:space-between;margin-top:50px;padding-top:24px;border-top:1px solid rgba(255,255,255,.22);font-size:11px;color:rgba(255,255,255,.72)}.back-top{position:fixed;z-index:90;right:24px;bottom:24px;width:46px;height:46px;border:1px solid #029E3D;border-radius:50%;background:#fff;color:#029E3D;opacity:0;transform:translateY(20px);pointer-events:none;transition:.3s}.back-top.is-visible{opacity:1;transform:none;pointer-events:auto}
@media (max-width:1024px){.nav{gap:14px}.nav a{font-size:14px}.split-grid,.mini-layout{gap:5vw}.action-line,.value-strip{grid-template-columns:1fr}.action-head{padding:0 0 18px;border-right:0;border-bottom:1px solid rgba(255,255,255,.28)}.media-frame img{height:580px}}
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@media (max-width:520px){h1{font-size:42px}.hero-actions{align-items:stretch;flex-direction:column}.button{justify-content:center}.hero-trust{font-size:11px}.pain-grid{grid-template-columns:1fr}.pain-grid div{border-right:0!important;border-bottom:1px solid var(--line)!important}.pain-grid div:last-child{border-bottom:0!important}.media-frame img,.story-photo{height:400px;min-height:400px}.story-card,.engine-card,.cooperation-grid article{padding:30px}.phone-visual{padding:10px 0 100px}.phone-visual>img{height:520px;border-radius:120px 120px 28px 28px}.qr-card{right:10px}.definition,.section-heading h2,.section-copy h2,.mini-copy h2{font-size:24px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*{animation:none!important;transition:none!important}}