:root{--forest:#214c38;--deep:#173527;--green:#4f825f;--sage:#b8cbae;--pale:#eef3ea;--warm:#f7f5ef;--paper:#fff;--ink:#1d2b24;--muted:#68746c;--line:rgba(29,43,36,.15);--header:88px;--pad:max(5vw,48px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header)}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65}body.menu-open{overflow:hidden}img{display:block;width:100%}a{color:inherit}.skip-link{position:fixed;left:1rem;top:-4rem;z-index:1000;background:#fff;padding:.7rem 1rem;border-radius:6px}.skip-link:focus{top:1rem}
.site-header{height:var(--header);position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 var(--pad);background:rgba(255,255,255,.95);border-bottom:1px solid rgba(29,43,36,.08);backdrop-filter:blur(16px);transition:height .3s,box-shadow .3s}.site-header.scrolled{height:74px;box-shadow:0 10px 30px rgba(18,46,33,.08)}.brand{display:flex;align-items:center;gap:14px;text-decoration:none}.brand img{width:58px;height:58px;object-fit:contain}.brand-copy{display:flex;flex-direction:column;line-height:1.25}.brand-copy b{font-size:.9rem;letter-spacing:.22em}.brand-copy small{margin-top:4px;color:var(--muted);font-size:.7rem;letter-spacing:.08em}.main-nav{height:100%;display:flex;align-items:center;gap:clamp(1.1rem,2vw,2.25rem)}.main-nav>a{text-decoration:none;font-size:.89rem;font-weight:650;position:relative;white-space:nowrap}.main-nav>a:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:1px;background:var(--green);transition:right .25s}.main-nav>a:hover:after,.main-nav>a:focus-visible:after{right:0}.lang-toggle{border:1px solid var(--green);background:white;color:var(--forest);font:inherit;font-size:.82rem;font-weight:700;border-radius:4px;padding:.55rem .85rem;cursor:pointer}.menu-toggle{display:none;border:0;background:none;width:40px;height:40px;padding:9px;cursor:pointer}.menu-toggle i{display:block;height:2px;background:var(--ink);margin:6px 0;transition:transform .25s,opacity .25s}
.hero{height:max(720px,100vh);min-height:720px;position:relative;margin-top:var(--header);overflow:hidden;background:var(--deep);color:#fff}.hero-track,.hero-slide{position:absolute;inset:0}.hero-slide{background-image:var(--hero-image);background-size:cover;background-position:center;opacity:0;transform:scale(1.045);transition:opacity .8s ease,transform 1.4s ease;pointer-events:none}.hero-slide.active{opacity:1;transform:scale(1);pointer-events:auto}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,37,25,.84) 0%,rgba(11,37,25,.55) 45%,rgba(11,37,25,.1) 74%),linear-gradient(0deg,rgba(9,28,20,.4),transparent 45%)}.hero-content{position:absolute;left:var(--pad);top:50%;transform:translateY(-50%);width:min(780px,70vw);padding-bottom:2rem}.hero-kicker{font-size:.78rem;font-weight:750;letter-spacing:.24em;text-transform:uppercase;color:#dbe8d2;margin:0 0 1.4rem}.hero h1,.hero h2{font-family:"Songti SC","Noto Serif SC",Georgia,serif;font-weight:500;font-size:clamp(3.4rem,6.3vw,7.2rem);line-height:1.04;letter-spacing:-.045em;margin:0 0 1.6rem}.hero h2{font-size:clamp(3.1rem,5.8vw,6.5rem)}.hero-content>p:not(.hero-kicker){font-size:clamp(1rem,1.25vw,1.18rem);color:rgba(255,255,255,.82);max-width:690px;margin:0 0 2.2rem}.round-link{display:inline-flex;align-items:center;text-decoration:none;font-weight:700}.round-link span{padding-right:1.2rem}.round-link b{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;font-size:1.1rem;transition:transform .25s,background .25s}.round-link.light b{border:1px solid rgba(255,255,255,.65)}.round-link:hover b{transform:rotate(45deg);background:#fff;color:var(--forest)}.hero-controls{position:absolute;right:var(--pad);bottom:3rem;display:flex;align-items:center;gap:1rem;z-index:3}.hero-arrow{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(14,43,29,.18);color:#fff;font-size:1.1rem;cursor:pointer;backdrop-filter:blur(7px)}.hero-arrow:hover{background:#fff;color:var(--forest)}.hero-dots{display:flex;gap:8px}.hero-dots button{width:34px;height:2px;padding:0;border:0;background:rgba(255,255,255,.42);cursor:pointer}.hero-dots button.active{background:#fff}.hero-scroll{position:absolute;left:var(--pad);bottom:2.8rem;display:flex;align-items:center;gap:.9rem;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.65);z-index:3}.hero-scroll i{display:block;width:70px;height:1px;background:rgba(255,255,255,.42);position:relative;overflow:hidden}.hero-scroll i:after{content:"";position:absolute;inset:0;background:#fff;transform:translateX(-100%);animation:scrollLine 2.2s infinite}@keyframes scrollLine{to{transform:translateX(100%)}}
.nature-ribbon{display:grid;grid-template-columns:1.2fr .85fr 1.2fr;height:270px;gap:0}.nature-ribbon figure{margin:0;overflow:hidden}.nature-ribbon img{height:100%;object-fit:cover;transition:transform .7s}.nature-ribbon figure:hover img{transform:scale(1.035)}
.section{padding:clamp(6rem,10vw,10rem) var(--pad)}.eyebrow{margin:0 0 1rem;color:var(--green);font-size:.75rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase}.section h2,.value-section h2,.contact h2{font-family:"Songti SC","Noto Serif SC",Georgia,serif;font-weight:500;font-size:clamp(2.6rem,4.7vw,5.4rem);line-height:1.08;letter-spacing:-.04em;margin:.2rem 0 1.2rem}.section-label{display:flex;align-items:center;gap:1rem;margin-bottom:3.4rem;color:var(--green)}.section-label span{font-family:Georgia,serif;font-size:1.15rem}.section-label p{margin:0;font-size:.74rem;font-weight:800;letter-spacing:.2em}.intro{display:grid;grid-template-columns:.36fr 1.15fr .8fr;gap:clamp(2rem,5vw,6rem);align-items:start}.intro .section-label{grid-column:1/-1}.intro-copy h2{font-size:clamp(2.4rem,4.2vw,4.8rem)}.intro-detail{padding-top:3rem}.intro-detail>p{margin:0 0 2rem;color:var(--muted);font-size:1.04rem}.text-link{display:flex;align-items:center;justify-content:space-between;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:.7rem;font-weight:750}.text-link b{font-size:1.25rem;transition:transform .25s}.text-link:hover b{transform:translateX(5px)}
.product-section{background:var(--warm);overflow:hidden}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:3rem}.section-head h2{margin-bottom:.65rem}.section-head>div>p:last-child{color:var(--muted);margin:0}.slider-controls{display:flex;gap:.75rem}.slider-controls button{width:54px;height:54px;border-radius:50%;border:1px solid var(--line);background:white;font-size:1.15rem;cursor:pointer}.slider-controls button:hover{background:var(--forest);color:#fff}.slider-controls button:disabled{opacity:.35;cursor:default;background:white;color:var(--ink)}.product-window{overflow:hidden}.product-track{display:flex;gap:1.4rem;transition:transform .55s cubic-bezier(.2,.7,.2,1)}.product-card{flex:0 0 calc((100% - 2.8rem)/3);min-width:0;background:white}.product-image{height:360px;overflow:hidden;background:#e9eee5}.product-image img{height:100%;object-fit:cover;transition:transform .65s}.product-card:hover .product-image img{transform:scale(1.045)}.freeze-visual img{object-position:center}.product-copy{position:relative;padding:2rem 2rem 1.7rem;min-height:275px;display:flex;flex-direction:column}.product-copy>span{position:absolute;right:2rem;top:2.1rem;color:#9aa49d;font-family:Georgia,serif}.product-copy h3{font-family:"Songti SC",Georgia,serif;font-size:1.6rem;font-weight:600;margin:0 3rem .8rem 0}.product-copy p{color:var(--muted);margin:0 0 1.5rem}.product-copy a{margin-top:auto;display:flex;align-items:center;justify-content:space-between;text-decoration:none;font-weight:750}.product-copy a b{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--pale);transition:transform .25s,background .25s}.product-copy a:hover b{background:var(--forest);color:white;transform:rotate(45deg)}.product-note{margin:1.3rem 0 0;color:#7a857e;font-size:.78rem}
.industries{background:#fff}.center-heading{text-align:center;max-width:850px;margin:0 auto 3.8rem}.center-heading>p:last-child{color:var(--muted);margin-bottom:0}.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}.industry-card{margin:0;position:relative;height:390px;overflow:hidden;background:var(--deep);color:white}.industry-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(11,31,21,.82) 100%)}.industry-card img{height:100%;object-fit:cover;transition:transform .65s,filter .65s}.industry-card:hover img{transform:scale(1.055);filter:saturate(1.08)}.industry-card>div{position:absolute;z-index:2;left:1.7rem;right:1.7rem;bottom:1.5rem;display:flex;align-items:flex-end;justify-content:space-between;gap:1rem}.industry-card span{font-family:Georgia,serif;color:#dce8d3}.industry-card h3{margin:0;font-size:1.18rem;text-align:right}
.value-section{display:grid;grid-template-columns:1fr 1fr;min-height:780px;background:var(--deep);color:white}.value-image{position:relative;min-height:660px;overflow:hidden}.value-image>img{height:100%;object-fit:cover}.value-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,35,22,.32),transparent 55%)}.image-badge{position:absolute;z-index:2;right:0;bottom:0;width:175px;height:175px;background:var(--sage);color:var(--deep);display:flex;flex-direction:column;align-items:center;justify-content:center}.image-badge b{font-family:Georgia,serif;font-size:2.35rem;font-weight:500}.image-badge span{font-size:.76rem;letter-spacing:.12em}.value-content{padding:clamp(5rem,8vw,9rem) clamp(3rem,7vw,8rem)}.value-content .eyebrow{color:var(--sage)}.value-content h2{font-size:clamp(2.8rem,4.6vw,5.2rem);margin-bottom:2.4rem}.value-list{border-top:1px solid rgba(255,255,255,.2)}.value-item{border-bottom:1px solid rgba(255,255,255,.2)}.value-item button{width:100%;display:grid;grid-template-columns:48px 1fr 30px;align-items:center;gap:1rem;text-align:left;color:white;background:none;border:0;padding:1.35rem 0;cursor:pointer}.value-item button span{font-family:Georgia,serif;color:var(--sage)}.value-item button strong{font:inherit;font-size:1.08rem;font-weight:700}.value-item button b{font-size:1.35rem;font-weight:400;transition:transform .3s}.value-item p{max-height:0;overflow:hidden;margin:0 0 0 64px;color:rgba(255,255,255,.67);transition:max-height .35s,margin .35s}.value-item.open p{max-height:130px;margin-bottom:1.3rem}.value-item.open button b{transform:rotate(45deg)}
.story{background:var(--pale)}.story-heading{max-width:890px;margin-bottom:4rem}.story-heading>p:last-child{color:var(--muted);font-size:1.03rem}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(33,76,56,.16)}.timeline-card{background:#fff;padding:2.2rem 2rem;min-height:360px;display:flex;flex-direction:column}.timeline-card>div{display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:1.2rem;margin-bottom:2.1rem}.timeline-card>div span{font-size:.7rem;font-weight:800;letter-spacing:.2em;color:var(--green)}.timeline-card>div b{font-family:Georgia,serif;font-size:2.3rem;font-weight:500;color:var(--forest)}.timeline-card h3{font-family:"Songti SC",Georgia,serif;font-size:1.35rem;line-height:1.45;margin:0 0 .8rem}.timeline-card p{color:var(--muted);margin:0 0 1.5rem}.timeline-card>a{margin-top:auto;text-decoration:none;font-weight:750;font-size:.86rem}.timeline-card>a:hover{color:var(--green)}
.process{background:#fff;display:grid;grid-template-columns:.72fr 1.28fr;gap:8vw}.process-title{position:sticky;top:130px;align-self:start}.process-title h2{font-size:clamp(2.5rem,4vw,4.5rem)}.process-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.process-list li{display:grid;grid-template-columns:75px 1fr;gap:1rem;padding:2.1rem 0;border-bottom:1px solid var(--line)}.process-list>li>b{font-family:Georgia,serif;font-size:1.2rem;color:var(--green)}.process-list h3{font-size:1.25rem;margin:0 0 .35rem}.process-list p{color:var(--muted);margin:0}
.contact{display:grid;grid-template-columns:.92fr 1.08fr;min-height:740px;background:var(--warm)}.contact-visual{position:relative;overflow:hidden;color:white}.contact-visual img{height:100%;object-fit:cover}.contact-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,30,20,.65),transparent 55%)}.contact-visual>p{position:absolute;left:var(--pad);bottom:3rem;margin:0;font-size:.75rem;letter-spacing:.22em}.contact-content{padding:clamp(5rem,8vw,9rem) clamp(3rem,7vw,8rem);display:flex;flex-direction:column;justify-content:center}.contact-content>p:not(.eyebrow){color:var(--muted);font-size:1.04rem;max-width:600px}.contact-lines{margin:2rem 0 2.4rem;border-top:1px solid var(--line)}.contact-lines>a,.contact-lines>div{display:grid;grid-template-columns:92px 1fr;gap:1rem;text-decoration:none;padding:1rem 0;border-bottom:1px solid var(--line)}.contact-lines small{font-size:.66rem;font-weight:800;letter-spacing:.18em;color:var(--green)}.contact-lines strong{font-size:.92rem;font-weight:650}.contact-button{align-self:flex-start;display:flex;align-items:center;gap:1.4rem;background:var(--forest);color:white;text-decoration:none;padding:.9rem 1rem .9rem 1.35rem;font-weight:750}.contact-button b{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.12);transition:transform .25s}.contact-button:hover b{transform:rotate(45deg)}
.site-footer{background:#122c21;color:white;padding:4.5rem var(--pad) 2rem}.footer-top{display:grid;grid-template-columns:1.35fr repeat(3,.65fr);gap:4vw;padding-bottom:3.5rem}.footer-brand{display:flex;align-items:center;gap:1rem}.footer-brand img{width:74px;height:74px;object-fit:contain;background:#fff;border-radius:50%;padding:4px}.footer-brand div{display:flex;flex-direction:column}.footer-brand b{letter-spacing:.2em}.footer-brand span{font-size:.78rem;color:rgba(255,255,255,.55);margin-top:.3rem}.footer-top>div:not(.footer-brand){display:flex;flex-direction:column;gap:.55rem}.footer-top h3{font-size:.87rem;margin:0 0 .6rem}.footer-top a{text-decoration:none;color:rgba(255,255,255,.65);font-size:.82rem}.footer-top a:hover{color:white}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:1.6rem;display:flex;justify-content:space-between;gap:2rem;color:rgba(255,255,255,.43);font-size:.7rem}.footer-bottom p{margin:0}.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1.2rem}.footer-bottom .icp-link{color:rgba(255,255,255,.72);text-decoration:none}.footer-bottom .icp-link:hover{color:#fff;text-decoration:underline}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:1100px){:root{--pad:36px}.main-nav{gap:1rem}.main-nav>a{font-size:.8rem}.product-card{flex-basis:calc((100% - 1.4rem)/2)}.intro{grid-template-columns:1fr 1fr}.intro .section-label{grid-column:1/-1}.industry-card{height:330px}.value-section{grid-template-columns:.88fr 1.12fr}.footer-top{grid-template-columns:1.3fr repeat(3,.7fr)}}
@media(max-width:860px){:root{--header:76px;--pad:24px}.site-header.scrolled{height:70px}.brand img{width:50px;height:50px}.brand-copy small{display:none}.menu-toggle{display:block;position:relative;z-index:2}.menu-toggle.open i:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle.open i:last-child{transform:translateY(-4px) rotate(-45deg)}.main-nav{position:fixed;top:0;right:0;width:min(420px,100%);height:100vh;background:#fff;color:var(--ink);padding:110px 38px 40px;display:flex;align-items:flex-start;flex-direction:column;gap:1.3rem;transform:translateX(105%);transition:transform .35s;box-shadow:-20px 0 50px rgba(20,44,31,.12)}.main-nav.open{transform:none}.main-nav>a{font-family:"Songti SC",Georgia,serif;font-size:1.5rem}.lang-toggle{margin-top:.7rem}.hero{min-height:670px}.hero-content{width:calc(100% - 48px)}.hero h1,.hero h2{font-size:clamp(3rem,10vw,5.2rem)}.hero-controls{right:24px}.hero-scroll{left:24px}.nature-ribbon{height:220px}.intro{grid-template-columns:1fr}.intro-detail{padding-top:0}.industry-grid{grid-template-columns:repeat(2,1fr)}.value-section{grid-template-columns:1fr}.value-image{min-height:520px}.process{grid-template-columns:1fr}.process-title{position:static}.contact{grid-template-columns:1fr}.contact-visual{min-height:440px}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1;margin-bottom:1rem}.footer-bottom{flex-direction:column}.section{padding-top:6rem;padding-bottom:6rem}}
@media(max-width:560px){:root{--pad:20px}.hero{height:calc(100svh - var(--header));min-height:610px}.hero-content{width:calc(100% - 40px);padding-bottom:3rem}.hero h1,.hero h2{font-size:2.8rem}.hero-content>p:not(.hero-kicker){font-size:.96rem}.hero-controls{bottom:1.5rem}.hero-scroll{display:none}.nature-ribbon{grid-template-columns:1fr 1fr;height:170px}.nature-ribbon figure:last-child{display:none}.section{padding:5rem 20px}.section h2,.value-section h2,.contact h2{font-size:2.55rem}.product-card{flex-basis:100%}.product-image{height:300px}.product-copy{min-height:250px}.section-head{align-items:flex-start;flex-direction:column}.slider-controls{align-self:flex-end}.industry-grid{grid-template-columns:1fr}.industry-card{height:340px}.value-image{min-height:390px}.image-badge{width:130px;height:130px}.value-content,.contact-content{padding:5rem 20px}.value-item p{margin-left:0}.value-item.open p{margin-left:0}.timeline{grid-template-columns:1fr}.contact-visual{min-height:360px}.contact-lines>a,.contact-lines>div{grid-template-columns:1fr;gap:.35rem}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{align-items:flex-start}.footer-bottom{line-height:1.7}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-slide,.product-track,.product-image img,.industry-card img,.reveal{transition:none}.reveal{opacity:1;transform:none}.hero-scroll i:after{animation:none}}