/* R2: original Jinlan identity, landscape-led composition and technical reading. */
:root{--green:#006640;--ink:#17372c;--leaf:#41845b;--paper:#f6f7f3;--soft:#eef2ec;--muted:#56665c;--line:#d8e1d9}
body{background:#fff;font-family:'Segoe UI','Microsoft YaHei',sans-serif;font-size:18px;line-height:1.7;color:var(--ink)}
html{scroll-padding-top:30px}
.business-panel:hover,.brand-hero a:hover,.quality-hero a:hover,.quality-feature a:hover{color:white}
.wrap{width:calc(100% - 112px);max-width:1440px}
h1,h2,h3{letter-spacing:-.035em;line-height:1.25}h1{font-size:clamp(40px,4.5vw,66px)}h2{font-size:clamp(34px,3.4vw,48px)}h3{font-size:26px}p{overflow-wrap:break-word}
a{text-underline-offset:6px}.btn{border-radius:0;min-height:56px;padding:14px 24px;font-size:18px;font-weight:600;box-shadow:none}.btn.secondary{background:transparent}.actions{gap:20px}.btn:hover{background:#004d31;color:#fff}.btn.secondary:hover{background:var(--soft);color:var(--green)}
.site-header{position:relative;top:auto;border-top:4px solid var(--green);background:#fff;backdrop-filter:none;border-bottom:1px solid var(--line)}
.nav-row{min-height:94px;gap:24px}.brand{display:flex;align-items:center;gap:15px;white-space:nowrap;text-decoration:none}.brand img{width:54px;height:50px;object-fit:contain}.brand-copy{display:block;border-left:1px solid var(--line);padding-left:15px}.brand strong{font-size:28px;line-height:1.2;font-weight:600;color:#213d31}.brand span.brand-en{display:block;font-size:18px;font-weight:400;letter-spacing:.06em;margin-top:4px;color:var(--muted)}
.nav-links{gap:28px}.nav-links a{font-size:18px;text-decoration:none;font-weight:500}.nav-links .demo-link{border-left:1px solid var(--line);padding-left:22px;color:var(--muted)}.nav-links .btn{padding:11px 19px;min-height:auto;color:white}.menu-toggle{border:1px solid var(--line);padding:9px 15px;background:white;color:var(--ink)}
.overline{font-size:18px;line-height:1.5;letter-spacing:.1em;font-weight:500;margin:0 0 28px}.arrow-link{display:inline-flex;gap:45px;align-items:center;justify-content:space-between;font-size:18px;font-weight:600;text-decoration:none;border-bottom:1px solid currentColor;padding:12px 0;max-width:100%}.arrow-link span{font-size:30px;font-weight:400;line-height:1}.arrow-link:hover span{transform:translate(3px,-3px)}
.brand-hero{position:relative;min-height:760px;height:calc(100svh - 98px);max-height:1000px;color:white;isolation:isolate;overflow:hidden;display:flex;align-items:center;background:#1a3946}
.brand-hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:58% 60%;z-index:-3}.brand-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,28,30,.65),rgba(3,25,29,.12) 73%),linear-gradient(0deg,rgba(8,32,22,.45),transparent 45%);z-index:-2}
.brand-hero-content{padding-top:0;padding-bottom:80px}.brand-hero h1{font-size:clamp(72px,6.6vw,108px);font-weight:500;line-height:1.16;letter-spacing:-.055em;margin:0 0 27px;color:white}.brand-hero .overline{margin-bottom:36px}.hero-subtitle{font-size:26px;letter-spacing:.08em;margin:0 0 23px}.hero-description{font-size:20px;line-height:1.8;color:#fff;margin:0 0 24px}.hero-link{color:#fff;min-width:220px}.hero-bottom{position:absolute;bottom:31px;left:0;right:0;display:flex;justify-content:space-between;gap:20px;font-size:18px;letter-spacing:.09em}.hero-bottom a{color:#fff;text-decoration:none;display:flex;gap:40px}.image-credit{padding:17px 0 0;font-size:18px;color:var(--muted);line-height:1.6}
.brand-section{padding:108px 0}.brand-section-head{display:grid;grid-template-columns:.6fr 1.4fr;gap:40px;align-items:start;margin-bottom:50px}.brand-section-head .overline{color:var(--green);margin-top:10px}.brand-section-head h2{margin-bottom:24px}.brand-section-head p:not(.overline){color:var(--muted);margin:0;max-width:720px}.brand-section-head>.arrow-link{grid-column:2;justify-self:start;margin-top:-20px}.brand-section .source{margin-top:22px;line-height:1.7}
.business-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}.business-panel{height:440px;position:relative;overflow:hidden;color:#fff;text-decoration:none;background:#17372c}.business-panel>img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.business-panel:hover>img{transform:scale(1.025)}.business-panel-shade{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,25,16,.82),transparent 85%)}.business-panel-content{position:absolute;bottom:40px;left:38px;right:38px}.business-panel-content p{font-size:18px;letter-spacing:.13em;margin:0 0 16px}.business-panel h3{font-size:40px;font-weight:500;color:#fff;margin:0 0 20px}.business-panel b{position:absolute;right:0;bottom:0;font-size:36px;font-weight:400}.business-panel-content span{font-size:18px;padding-right:35px;display:block}
.product-section{background:var(--paper)}.product-card{background:transparent;border:0;box-shadow:none}.product-card img{background:#fff;height:auto;aspect-ratio:1.2;object-fit:cover}.card-body{padding:24px 0 0;gap:12px}.card-body .eyebrow{font-size:18px;font-weight:400;color:var(--muted);letter-spacing:.08em}.card-body h3{font-size:27px;line-height:1.35}.card-body h3 a{text-decoration:none}.card-body .muted{font-size:18px;line-height:1.7}.card-body .actions{border-top:1px solid var(--line);padding-top:20px;margin-top:15px;gap:12px;justify-content:space-between}.card-body .actions a,.card-body .actions button{font-size:18px;font-weight:500}
.quality-feature{display:grid;grid-template-columns:1fr 1fr;background:#003f30;color:#fff;min-height:680px}.quality-feature-image{min-width:0}.quality-feature-image img{height:100%;min-height:680px;width:100%;object-fit:cover;object-position:45%}.quality-feature-copy{padding:80px clamp(40px,5vw,100px);display:flex;flex-direction:column;justify-content:center;align-items:start}.quality-feature-copy h2{color:#fff;font-size:clamp(38px,3.5vw,56px);font-weight:500;margin-bottom:32px}.quality-feature-copy>p:not(.overline){font-size:20px;line-height:1.8}.quality-feature-copy .arrow-link{color:#fff;margin:26px 0}.quality-feature-copy .source{font-size:18px;color:#d9e6df;margin-top:20px}
.question-editorial{display:grid;grid-template-columns:1fr 1.4fr;gap:90px}.question-editorial h2{margin-bottom:30px}.question-lines a{display:grid;grid-template-columns:36px 1fr 30px;gap:24px;align-items:center;border-bottom:1px solid var(--line);padding:33px 0;text-decoration:none;color:var(--ink)}.question-lines a:first-child{border-top:1px solid var(--line)}.question-lines span{color:var(--green);font-size:18px}.question-lines h3{font-size:25px;font-weight:500}.question-lines b{font-size:27px;font-weight:400}
.brand-contact{padding:94px 0;background:#e8eee6;position:relative;overflow:hidden}.brand-contact .wrap{position:relative}.brand-contact h2{font-size:clamp(40px,4.5vw,68px);font-weight:500;margin-bottom:35px}.brand-contact p:last-child{font-size:18px;color:var(--muted);margin-top:26px}.brand-contact.compact{padding:76px 0}.brand-contact.compact h2{font-size:clamp(36px,3.5vw,52px)}.brand-contact .btn{margin-top:28px}
.site-footer{background:#073f30;color:white;padding:58px 0 25px}.site-footer a{color:white}.site-footer .wrap{display:flex;gap:40px}.site-footer strong{font-size:24px;font-weight:500}.site-footer .footnote{color:#d4e2db;font-size:18px;display:block}.site-footer .link-list{max-width:500px;justify-content:flex-end;gap:20px 28px}.prototype-note{margin-top:30px;border-top:1px solid #527566;padding-top:24px}.prototype-note summary{cursor:pointer}.prototype-note p{margin-top:15px;max-width:1100px}
.breadcrumbs{font-size:18px;padding-top:30px;color:var(--muted)}.breadcrumbs a{color:var(--muted);text-decoration:none}.page-top{padding:52px 0 62px}.page-top .lead{margin-top:25px}.tint{background:var(--paper)}.band{padding:80px 0}.notice{background:#f1f3ed;border-left:3px solid #7f9d80;font-size:18px;color:#4e6255}.source,.caption{font-size:18px}.table-wrap{border:0;border-top:2px solid var(--green);border-bottom:1px solid var(--line);margin:24px 0}th,td{padding:19px 20px}th{background:#edf2ec}tbody th{background:#f5f7f3;font-weight:500;min-width:150px}tbody tr:nth-child(even) td{background:#fbfcfa}tbody td{line-height:1.7}
.product-intro{padding:52px 0 60px;background:linear-gradient(90deg,#fff 62%,#f6f7f1 62%)}.product-intro-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:80px;align-items:center}.product-intro-copy .overline{color:var(--green);margin-bottom:23px}.product-intro-copy h1{font-size:clamp(44px,4.3vw,68px);font-weight:500;margin-bottom:8px}.product-english{font-size:20px;color:var(--muted);margin:0}.formula-display{font-size:clamp(42px,5vw,78px);font-family:'Segoe UI','Microsoft YaHei',sans-serif;line-height:1.2;color:var(--green);font-weight:300;margin:25px 0;overflow-wrap:anywhere}.product-intro-copy .lead{font-size:20px;max-width:650px;line-height:1.8}.product-intro-copy .actions{margin-top:30px}.product-intro-copy .source{margin-top:20px}.product-intro-copy button[data-select]{background:white;color:var(--green);border:1px solid var(--line);padding:12px 18px;font-size:18px}.product-object{align-self:center}.product-object img{width:100%;aspect-ratio:1.2;object-fit:cover}.product-object figcaption{font-size:18px;color:var(--muted);padding-top:20px}.product-anchor-nav{background:white;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.product-anchor-nav .wrap{display:flex;gap:50px;flex-wrap:wrap;padding-top:20px;padding-bottom:20px}.product-anchor-nav a{font-size:18px;font-weight:500;text-decoration:none}.product-anchor-nav a:last-child{margin-left:auto}.detail-grid{grid-template-columns:minmax(0,1.65fr) minmax(280px,.8fr);gap:65px}.detail-grid h2{font-size:38px}.detail-grid .overline{color:var(--green);margin-bottom:8px}.reference-details{padding:22px 0;border-bottom:1px solid var(--line);font-size:18px}.reference-details summary{font-size:18px;cursor:pointer;color:var(--green);font-weight:500}.reference-details p{margin-top:20px}.applications-block{padding-top:65px}.application-list{list-style:none;margin:25px 0;padding:0}.application-list li{padding:18px 0 18px 25px;border-bottom:1px solid var(--line);position:relative}.application-list li:before{content:'·';font-size:30px;position:absolute;left:0;top:10px;color:var(--green)}.document-panel{background:#f0f4ed;padding:32px;align-self:start;border-top:3px solid var(--green)}.document-panel h3{font-size:32px;font-weight:500;margin:20px 0}.document-panel>p{margin:18px 0}.document-download{display:flex;justify-content:space-between;gap:15px;padding:23px 0;border-top:1px solid #b7c9b9;border-bottom:1px solid #b7c9b9;text-decoration:none}.document-download b{font-weight:400;font-size:28px}.document-panel ul{list-style:none;padding:0;margin:25px 0}.document-panel li{padding:15px 0;border-bottom:1px solid var(--line)}.document-panel li strong{display:block;font-weight:500}.document-panel li span{font-size:18px;color:var(--muted)}.document-panel .btn{display:flex;width:100%;margin-top:20px}.document-panel .source{font-size:18px}
.quality-hero{position:relative;isolation:isolate;min-height:620px;display:flex;align-items:center;color:white;background:#17372c;overflow:hidden}.quality-hero>img{position:absolute;inset:0;z-index:-3;width:100%;height:100%;object-fit:cover;object-position:center 48%}.quality-hero-shade{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(2,27,21,.83),rgba(2,25,20,.24))}.quality-hero .wrap{padding-top:60px;padding-bottom:60px}.quality-hero h1{font-size:clamp(52px,5vw,80px);font-weight:500;line-height:1.22;color:white;margin-bottom:28px}.quality-hero p:not(.overline){font-size:22px;margin-bottom:28px}.quality-hero .arrow-link{color:white}.document-section{background:var(--paper)}.quality-document-list article{display:grid;grid-template-columns:70px 1fr 1.4fr;gap:35px;padding:38px 0;border-top:1px solid #bbcbbd}.quality-document-list article:last-child{border-bottom:1px solid #bbcbbd}.document-number{font-size:32px;font-weight:300;color:var(--green)}.quality-document-list h3{font-size:29px;font-weight:500;margin-bottom:12px}.document-claim{font-size:18px;color:var(--muted)}.quality-document-list .source{margin-top:16px}.quality-process{display:grid;grid-template-columns:1fr 1fr;gap:100px}.quality-process h2{margin-bottom:30px}.quality-process .process li{padding-top:0;margin-top:26px}.quality-process .process li:first-child{margin-top:0}.quality-process .process li:before{top:-5px}
/* The supporting experience retains its five sections and working controls. */
.experience-cover{position:relative;isolation:isolate;min-height:740px;display:flex;align-items:center;background:#073f30;color:white;overflow:hidden}.experience-cover-image{position:absolute;inset:0;z-index:-3;width:100%;height:100%;object-fit:cover;object-position:65% center}.experience-cover-shade{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(0,27,24,.83),rgba(0,28,26,.17) 95%)}.experience-cover .wrap{padding:65px 0}.experience-cover h1{font-size:clamp(52px,5.6vw,82px);font-weight:500;line-height:1.2;color:white;margin:0 0 28px}.experience-subtitle{font-size:25px;margin-bottom:22px}.experience-description{font-size:20px;line-height:1.9;max-width:700px}.experience-cover .actions{margin:32px 0}.experience-cover .btn.secondary{color:white;border-color:#d6e2db}.experience-cover a,.experience-cover a:hover{color:white}.experience-cover .btn.light{color:var(--green);background:white;border-color:white}.experience-cover .link-list{gap:35px}.experience-disclosure{font-size:18px;color:#fff;margin-top:30px;line-height:1.8}
.experience-hero{background:#073f30;color:white;padding:72px 0}.experience-hero h1{color:white;font-weight:500;font-size:clamp(40px,4.4vw,66px)}.experience-hero .eyebrow{color:#d4e6d9}.experience-hero .lead{font-size:21px;line-height:1.8}.experience-hero .source{color:#d4e6d9}.experience-hero .btn{background:white;color:var(--green);border-color:white}.experience-hero .btn.secondary{background:transparent;color:white}.experience-hero .link-list a{color:white}.preview-screen{border:0;box-shadow:0 25px 60px #001d2280}.preview-screen .caption{background:white;color:var(--ink)}.preview-screen img{aspect-ratio:1.3}.issue{border:0;background:var(--paper);padding:28px}.rule-card{border-top:1px solid var(--line)}.aside-box{background:var(--paper)}
@media(min-width:1600px){.wrap{width:calc(100% - 160px)}}
@media(max-width:1150px){.wrap{width:calc(100% - 72px)}.nav-links{gap:19px}.brand span.brand-en{display:none}.brand-copy{border-left:0;padding-left:0}.nav-links .demo-link{padding-left:16px}.product-intro-grid{gap:45px}.detail-grid{gap:35px}.quality-feature-copy{padding:60px 40px}.brand-hero{min-height:690px}.business-panel{height:400px}.question-editorial{gap:50px}}
@media(max-width:900px){.nav-row{min-height:82px}.brand img{width:48px;height:45px}.brand strong{font-size:24px}.nav-links{gap:14px}.nav-links .demo-link{display:none}.brand-section-head{grid-template-columns:.6fr 1.4fr;gap:25px}.brand-section{padding:80px 0}.quality-document-list article{grid-template-columns:45px 1fr 1.3fr;gap:22px}.quality-process{gap:45px}.brand-hero h1{font-size:80px}.detail-grid{grid-template-columns:minmax(0,1.3fr) minmax(260px,.8fr)}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.nav-row{min-height:80px;gap:18px;justify-content:space-between}.brand strong{font-size:23px}.brand span.brand-en{display:block;font-size:18px;letter-spacing:0}.brand img{width:45px;height:43px}.brand{gap:12px}.nav-links{width:100%;gap:10px;padding-bottom:22px}.nav-links.open{display:flex}.nav-links .demo-link{display:block;border:0;padding:8px 0}.nav-links .btn{padding:12px 18px}.brand-hero{height:780px;min-height:0;max-height:none}.brand-hero-image{object-position:62% center}.brand-hero-shade{background:linear-gradient(90deg,rgba(0,27,29,.66),rgba(0,28,31,.18)),linear-gradient(0deg,rgba(0,26,15,.5),transparent 40%)}.brand-hero-content{padding-bottom:90px}.brand-hero h1{font-size:70px;margin-bottom:25px}.brand-hero .overline{margin-bottom:30px}.hero-subtitle{font-size:22px;letter-spacing:0}.hero-description{font-size:18px}.hero-bottom{bottom:25px;display:block}.hero-bottom>span{display:none}.hero-bottom a{justify-content:space-between}.image-credit{padding-top:15px}.brand-section{padding:65px 0}.brand-section-head{grid-template-columns:1fr;gap:15px;margin-bottom:32px}.brand-section-head .overline{margin:0 0 10px}.brand-section-head>.arrow-link{grid-column:auto;margin-top:5px}.brand-section-head h2{margin-bottom:20px}.business-pair{grid-template-columns:1fr;gap:20px}.business-panel{height:380px}.business-panel-content{left:27px;right:27px;bottom:30px}.business-panel h3{font-size:35px}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.card-body .actions{display:block}.card-body .actions a{display:block;margin-top:15px}.card-body{padding-top:22px}.card-body h3{font-size:25px}.quality-feature{grid-template-columns:1fr;min-height:0}.quality-feature-image img{height:380px;min-height:0}.quality-feature-copy{padding:50px 25px}.quality-feature-copy h2{font-size:40px}.question-editorial{grid-template-columns:1fr;gap:40px}.question-lines a{padding:27px 0;gap:14px}.question-lines h3{font-size:23px}.brand-contact{padding:65px 0}.brand-contact h2{font-size:43px}.brand-contact.compact{padding:60px 0}.site-footer .wrap{display:block}.site-footer .link-list{justify-content:flex-start;margin-top:35px}.site-footer strong{font-size:23px}.product-intro{padding:35px 0 40px;background:white}.product-intro-grid{grid-template-columns:1fr;gap:38px}.product-intro-copy h1{font-size:46px}.formula-display{font-size:60px;margin:20px 0}.product-object{max-width:540px;width:100%;margin:auto}.product-object img{max-height:380px;aspect-ratio:1.3;object-fit:cover}.product-anchor-nav .wrap{gap:18px 24px;padding:18px 0}.product-anchor-nav a:last-child{margin-left:0}.detail-grid{grid-template-columns:1fr;gap:45px}.detail-grid h2{font-size:34px}.document-panel{padding:28px}.product-intro-copy .actions{align-items:stretch}.product-intro-copy .actions .btn{width:auto;flex:1}.quality-hero{min-height:610px}.quality-hero h1{font-size:48px}.quality-hero p:not(.overline){font-size:20px}.quality-hero>img{object-position:43%}.quality-hero-shade{background:linear-gradient(90deg,rgba(2,27,21,.85),rgba(2,25,20,.35))}.quality-document-list article{grid-template-columns:40px 1fr;gap:15px 20px;padding:28px 0}.quality-document-list article>div:last-child{grid-column:2}.quality-document-list h3{font-size:26px}.document-number{font-size:27px}.quality-process{grid-template-columns:1fr;gap:38px}.quality-process .process li{margin-top:24px}.experience-hero{padding:45px 0}.experience-hero .hero-grid{gap:40px}.experience-hero h1{font-size:43px}.experience-hero .lead{font-size:20px}.preview-screen img{aspect-ratio:1.3}.band{padding:55px 0}}
@media(max-width:470px){.brand-hero{height:725px}.brand-hero h1{font-size:64px}.hero-subtitle{font-size:20px}.overline{font-size:18px;letter-spacing:.07em}.brand-hero-content{padding-bottom:70px}.brand-section-head h2{font-size:34px}.grid.four{grid-template-columns:1fr}.product-card{display:grid;grid-template-columns:1fr}.product-card img{aspect-ratio:1.3}.card-body .actions{display:flex;flex-wrap:wrap}.card-body .actions a{margin-top:0}.quality-feature-image img{height:300px}.business-panel{height:350px}.brand-contact h2{font-size:40px}.experience-hero h1{font-size:40px}.product-intro-copy .actions{display:flex;flex-direction:column}.product-intro-copy .actions .btn{width:100%}.formula-display{font-size:52px}.quality-hero h1{font-size:43px}.quality-hero .overline{letter-spacing:.02em}.brand-contact .btn{width:auto;max-width:100%}.brand strong{font-size:23px}}
@media(max-width:800px){.experience-cover{min-height:700px}.experience-cover .wrap{padding:45px 0}.experience-cover h1{font-size:44px}.experience-cover .overline{letter-spacing:0;margin-bottom:30px}.experience-subtitle{font-size:20px}.experience-description{font-size:18px;line-height:1.8}.experience-cover .link-list{gap:25px}.experience-disclosure{font-size:18px}.experience-cover .actions{gap:16px}.experience-cover-image{object-position:64% center}.experience-cover-shade{background:linear-gradient(90deg,rgba(0,27,24,.84),rgba(0,28,26,.5))}}
@media(prefers-reduced-motion:reduce){.business-panel>img,.arrow-link span{transition:none;transform:none!important}}
@media print{body{font-size:11pt}.site-header,.site-footer,.brand-hero,.product-anchor-nav{display:none!important}.wrap{width:100%}.brand-section,.band,.page-top{padding:12px 0}.page-top .lead{font-size:11pt;margin-top:8px}h1{font-size:25pt}h2{font-size:18pt}h3{font-size:14pt}.scope-card{padding:0}.brand-contact{padding:20px 0}.source,.caption,p,li,td,th{font-size:11pt}.prototype-note{display:none}}