/* Shared navigation and the four editorial pages. */
.navigation-surface{position:absolute;top:100%;left:0;right:0;height:var(--navigation-height,auto);overflow:hidden;background:var(--paper,#faf7f0);border-bottom:1px solid #b79c6140;box-shadow:0 20px 40px #2930220b;animation:navigation-unfold .3s cubic-bezier(.22,1,.36,1) both;transition:height .3s cubic-bezier(.22,1,.36,1)}
.navigation-panel{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(60px,10vw,160px);max-width:1100px;margin:auto;padding:42px 48px 46px;animation:navigation-content .28s cubic-bezier(.22,1,.36,1) both}
.navigation-surface[hidden],.navigation-panel[hidden],.navigation-scrim[hidden]{display:none}
.navigation-feature h2{font:400 34px/1.3 "Songti SC",Georgia,serif;letter-spacing:.02em;margin:0 0 13px;color:#3d4436}.navigation-feature p,.navigation-links p{font:12px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:#7b8071;margin:0 0 15px}.navigation-feature h2 a{display:inline-flex;gap:20px;align-items:center}.navigation-feature h2 a>span{font:18px sans-serif;color:#a0874d}
.navigation-links{display:flex;flex-direction:column;align-items:start;gap:10px}.navigation-label,.navigation-status{display:block;font:10px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;letter-spacing:.08em;color:#987e49;margin-bottom:8px}.navigation-status.is-testing{color:#647a45}
.navigation-primary,.navigation-links>a{display:inline-flex;align-items:center;gap:25px;min-height:44px;padding:0;border:0;background:none;color:#5d624e;font-size:13px;line-height:1.5;text-align:left;letter-spacing:.03em}.navigation-primary>span,.navigation-links>a>span{color:#a0874d;transition:transform .25s}.navigation-primary:hover>span,.navigation-links>a:hover>span{transform:translate(2px,-2px)}.navigation-primary:hover,.navigation-links>a:hover,.navigation-feature h2 a:hover{color:#977535}.navigation-links>a.navigation-brand{font:400 28px/1.4 Georgia,serif;color:#80632d}.navigation-links .navigation-status{margin:0}.navigation-feature>.navigation-status{margin-bottom:12px}
.site-header.is-navigation-open .main-nav button[aria-expanded="true"]{color:#977535}.site-header .main-nav button[aria-expanded="true"]:after{transform:scaleX(1)}
.navigation-scrim{position:fixed;inset:68px 0 0;width:100%;height:calc(100% - 68px);z-index:45;border:0;background:#303b3408;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);animation:navigation-content .2s ease both;cursor:default}
@keyframes navigation-unfold{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@keyframes navigation-content{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:700px){.navigation-surface{height:auto;max-height:calc(100svh - 60px);overflow-y:auto;overscroll-behavior:contain}.navigation-panel{grid-template-columns:1fr;gap:20px;margin:0 24px;padding:26px 0;border-bottom:1px solid #b79c6130}.navigation-panel:last-child{border:0;padding-bottom:34px}.navigation-feature h2{font-size:28px}.navigation-links{gap:7px}.navigation-label{margin-bottom:1px}.navigation-feature p,.navigation-links p{margin-bottom:4px}.navigation-links>a.navigation-brand{font-size:24px}.navigation-scrim{top:60px;height:calc(100% - 60px)}.navigation-panel .navigation-status{font-size:10px}.navigation-panel a,.navigation-panel button{min-height:44px}}
@media(prefers-reduced-motion:reduce){.navigation-surface,.navigation-panel,.navigation-scrim{animation:none;transition:none}}
.site-footer{display:block;margin:24px 3% 0;padding:48px 24px 22px;border-top:1px solid #bda56d55;color:#535c4d;font:13px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;letter-spacing:0}
.footer-main{display:grid;grid-template-columns:1.3fr .8fr 1.1fr .9fr;gap:clamp(24px,4vw,64px);padding-bottom:48px}
.footer-brand{align-self:start;display:block;width:min(100%,255px)}.footer-brand img{display:block;width:100%;height:auto}.footer-brand>span{display:block;margin-top:22px;color:#6f755f;font:16px/1.6 "Songti SC",serif;letter-spacing:.16em}
.footer-column{display:flex;flex-direction:column;gap:3px;align-items:start;min-width:0}.footer-column h2{margin:0 0 13px;color:#7e6b42;font-size:12px;font-weight:400;letter-spacing:.12em}.footer-column a,.footer-column button{display:flex;flex-wrap:wrap;align-items:center;gap:7px 10px;min-height:40px;padding:6px 0;border:0;background:none;color:#535c4d;text-align:left;font:13px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;letter-spacing:.03em}.footer-column a:hover,.footer-column button:hover{color:#95702d}.footer-column a span,.footer-column button span{font-size:10px;color:#8a8d7e;white-space:nowrap}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid #bda56d30;font-size:11px;color:#8a8d7e}.footer-bottom small{font:inherit}.footer-bottom>span{letter-spacing:.12em}
@media(max-width:700px){.site-footer{margin:16px 5% 0;padding:30px 2px 24px}.footer-main{grid-template-columns:1fr 1fr;gap:30px 24px;padding-bottom:30px}.footer-brand{grid-column:1/-1;width:255px;margin-bottom:4px}.footer-brand>span{font-size:15px;margin-top:14px}.footer-column a,.footer-column button{min-height:44px;font-size:13px}.footer-column h2{margin-bottom:7px}.footer-bottom{font-size:10px;gap:12px}}
.main-nav a[aria-current="page"]{color:#95702d}.main-nav a[aria-current="page"]:after{transform:scaleX(1)}
.content-page{margin:0;background:#faf7f0;color:#303b34;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
.content-page *{box-sizing:border-box}.content-page a{color:inherit;text-decoration:none}.content-page button{font:inherit;cursor:pointer}.content-page a,.content-page button{-webkit-tap-highlight-color:transparent}.content-page [hidden]{display:none!important}
.content-page .site-header{height:68px;position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:36px;padding:0 clamp(24px,4vw,72px);background:#faf7f0ed;backdrop-filter:blur(18px);border-bottom:1px solid #b79c6126}
.content-page .brand{display:flex;width:44px;height:44px;align-items:center;justify-content:center;flex:none}.content-page .brand-emblem{width:38px;height:38px}
.content-page .main-nav{display:flex;align-items:center;gap:36px;margin-left:auto}.content-page .main-nav a{display:flex;align-items:center;position:relative;min-height:44px;padding:0 4px;font-size:12px;letter-spacing:.2em;color:#53594d}
.content-page .main-nav a:after{content:"";position:absolute;bottom:6px;left:4px;right:6px;height:1px;background:#c4a45b;transform:scaleX(0);transition:transform .2s}.content-page .main-nav a:hover:after,.content-page .main-nav a[aria-current]:after{transform:scaleX(1)}
.content-page .main-nav a:hover,.content-page .main-nav a[aria-current]{color:#95702d}.content-page .header-actions{display:none;margin-left:auto}.content-page .nav-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;padding:0;border:0;background:none}.content-page .nav-toggle span{display:block;width:17px;height:1px;background:#343d30}
.content-page .mobile-navigation{position:absolute;top:62px;left:16px;right:16px;display:grid;padding:12px;border:1px solid #cfba8a40;border-radius:10px;background:#fcf9f1;box-shadow:0 12px 35px #303b3414}.content-page .mobile-navigation a{padding:14px;font-size:13px;letter-spacing:.04em}.content-page .mobile-navigation a:hover{background:#efe7d6}
.content-page :is(a,button):focus-visible{outline:2px solid #ab8d48;outline-offset:5px}
.page-main{max-width:1440px;margin:auto;padding:0 clamp(24px,7vw,108px);overflow:hidden}.page-label{font-size:12px;letter-spacing:.16em;color:#927540;margin:0 0 32px}.page-heading{font:400 clamp(40px,5.1vw,74px)/1.35 "Songti SC","STSong",Georgia,serif;letter-spacing:.06em;margin:0 0 26px}.page-lead{font-size:15px;line-height:2.1;color:#687362;max-width:480px;margin:0}
.editorial-hero{padding:100px 0 88px;border-bottom:1px solid #c8b8895c;position:relative}.editorial-hero.split{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center}.serif{font-family:"Songti SC","STSong",Georgia,serif;font-weight:400}
.page-link{display:inline-flex;align-items:center;gap:28px;min-height:44px;padding:12px 0;border-bottom:1px solid #bca16c8c;color:#82642d!important;font-size:12px;letter-spacing:.06em;transition:gap .25s,color .25s}.page-link:hover{gap:36px;color:#5c4822!important}.page-link span{font-size:18px;font-family:serif}
.page-button{display:inline-flex;align-items:center;gap:24px;min-height:48px;padding:12px 22px;border:1px solid #bba16c80;border-radius:28px;background:#faf7f080;color:#71592d!important;font-size:12px;transition:background .25s,border-color .25s}.page-button:hover{background:#efe6d1;border-color:#ac8d4b}.page-button span{font-size:18px}.page-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:32px}
.editorial-section{padding:78px 0;border-bottom:1px solid #c8b8895c}.section-heading{font:400 clamp(26px,3vw,40px)/1.5 "Songti SC","STSong",Georgia,serif;letter-spacing:.03em;margin:0 0 24px}.section-intro{max-width:640px;font-size:14px;line-height:2;color:#6d7665;margin:0 0 40px}
.purpose-title{font-size:clamp(46px,7vw,96px);letter-spacing:.17em;margin-bottom:18px}.purpose-en{font-size:11px;letter-spacing:.38em;color:#aa8541}.philosophy-hero{padding:105px 0 100px}.philosophy-hero .page-lead{margin-top:40px}.philosophy-emblem{position:absolute;right:-7%;top:10%;width:44%;height:90%;opacity:.1;pointer-events:none}
.principle-row{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;padding:38px 0;border-bottom:1px solid #c8b88940}.principle-row:first-of-type{padding-top:8px}.principle-row:last-child{border:0;padding-bottom:0}.principle-row h3{font:400 28px/1.6 "Songti SC",serif;margin:0}.principle-row p{margin:0;color:#717b6a;font-size:14px;line-height:2.2}
.garden-quote{position:relative;min-height:410px;margin:64px 0 0;border-radius:20px;display:flex;align-items:end;overflow:hidden;background:linear-gradient(0deg,#142414c4,transparent 90%),url('assets/garden.jpg') center 54%/cover}.garden-quote blockquote{margin:0;padding:48px;color:#fffaf0;max-width:780px;font:400 clamp(22px,2.6vw,34px)/1.8 "Songti SC",serif;letter-spacing:.05em}
.research-emblem{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-width:340px;width:100%;justify-self:end;transform:rotate(-4deg);padding:25px;border:1px solid #c8b8894c;border-radius:50%}.research-emblem span{display:grid;place-items:center;aspect-ratio:1;border:1px solid #c8b8897c;border-radius:4px;color:#96732d;background:#f5eedf;font:400 clamp(32px,4vw,56px)/1 Georgia,serif}.research-emblem span:nth-child(2){background:#e7d5a0}.research-emblem span:nth-child(3){background:#ecece3;color:#6d7569}
.research-row{display:grid;grid-template-columns:84px 1fr 1fr;gap:36px;align-items:center;padding:36px 0;border-top:1px solid #c8b8894c}.research-row .research-symbol{font:42px Georgia,serif;color:#a88745}.research-row h3{font:400 23px/1.5 "Songti SC",serif;margin:0 0 7px}.research-row small{font-size:11px;color:#88703f}.research-row p{font-size:13px;line-height:2;color:#687362;margin:0}.research-feature{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;background:#f1ebdf;border-radius:14px;padding:48px}.research-feature h2{font:400 58px Georgia,serif;letter-spacing:-.04em;margin:0 0 18px;color:#80622d}.research-feature p{font-size:14px;line-height:2;color:#73806b;margin:0}.research-feature .page-link{justify-self:end}
.company-emblem{width:260px;height:260px;justify-self:center}.company-wordmark{font:400 clamp(52px,6vw,84px)/1.1 Georgia,"Songti SC",serif;letter-spacing:.04em}.company-wordmark small{display:block;font:400 28px/1.6 "Songti SC",serif;letter-spacing:.3em;margin-top:20px}.business-row{display:grid;grid-template-columns:1fr 1.35fr auto;align-items:center;gap:40px;padding:42px 0;border-top:1px solid #c8b88955}.business-row h3{font:400 32px Georgia,serif;margin:0 0 8px}.business-row small{font-size:11px;color:#9e8552}.business-row p{font-size:14px;line-height:2;color:#687361;margin:0}.business-row .page-link{white-space:nowrap}
.closing-line{padding:74px 0 90px;display:flex;align-items:center;justify-content:space-between;gap:32px}.closing-line h2{font:400 clamp(25px,3vw,40px)/1.6 "Songti SC",serif;margin:0}.page-footer{max-width:1440px;margin:0 auto;padding:24px clamp(24px,7vw,108px) 32px;border-top:1px solid #c8b8894c;display:flex;justify-content:space-between;align-items:center;gap:24px;color:#8b8d7e;font-size:11px;line-height:1.8}.page-footer div{display:flex;gap:28px}.page-footer a:hover{color:#85682f}
.nobilum-hero{min-height:min(760px,calc(100svh - 68px));display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:50px;padding:75px 0 85px;border-bottom:1px solid #c8b8895c}.nobilum-title{font:400 clamp(66px,8.5vw,126px)/1 Georgia,serif;letter-spacing:-.055em;margin:0 0 26px;color:#7e6029}.nobilum-tagline{font:400 clamp(25px,3vw,38px)/1.65 "Songti SC",serif;letter-spacing:.06em;margin:0}.nobilum-hero .page-lead{font-size:13px;margin-top:24px;max-width:330px}
.metal-quartet{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:24px 0;isolation:isolate}.metal-quartet:before{content:"";position:absolute;inset:-50px;border-radius:50%;z-index:-1;background:radial-gradient(ellipse,#d6b76a25,transparent 65%)}.metal-card{aspect-ratio:1;position:relative;padding:18px;border:1px solid #c6ac73;border-radius:6px;overflow:hidden;color:#fffdf4!important;background-color:#757a6e;background-image:linear-gradient(0deg,#152414aa,transparent 75%),var(--surface);background-size:100%,var(--zoom);background-position:center,var(--position);box-shadow:0 12px 25px #5d482e1c;transition:transform .4s,box-shadow .4s}.metal-card:nth-child(even){transform:translateY(28px)}.metal-card:hover{transform:translateY(-5px);box-shadow:0 18px 32px #5d482e30}.metal-card:nth-child(even):hover{transform:translateY(23px)}.metal-card small{font:11px ui-monospace,monospace;opacity:.8}.metal-card strong{position:absolute;inset:0;display:grid;place-items:center;font:400 clamp(45px,6vw,85px) Georgia,serif;text-shadow:0 1px 5px #15241477}.metal-card>span{position:absolute;bottom:18px;left:18px;font-size:11px;letter-spacing:.04em}
[data-element="Ag"]{--surface:url('assets/elements/Ag.jpg');--zoom:500%;--position:48% 55%}[data-element="Au"]{--surface:url('assets/elements/Au.jpg');--zoom:520%;--position:55% 39%}[data-element="Pt"]{--surface:url('assets/elements/Pt.jpg');--zoom:620%;--position:78% 50%}[data-element="Pd"]{--surface:url('assets/elements/Pd.jpg');--zoom:700%;--position:75% 76%}
.model-section{scroll-margin-top:68px}.model-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-bottom:1px solid #bda57066}.model-tabs button{display:flex;align-items:center;justify-content:center;gap:16px;padding:22px 8px;border:0;border-bottom:2px solid transparent;background:none;color:#878b7c;font-size:12px;transition:color .2s,background .2s}.model-tabs button span{font:30px Georgia,serif}.model-tabs button[aria-selected="true"]{border-bottom-color:#b0924f;background:#f0e8d849;color:#84642b}.model-tabs button:hover{color:#84642b;background:#f0e8d838}.model-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:74px;align-items:center;padding:55px 28px 12px}.model-surface{position:relative;aspect-ratio:1;max-width:300px;width:100%;justify-self:center;border-radius:6px;border:1px solid #c5ad7d;background-image:linear-gradient(0deg,#16241588,transparent),var(--surface);background-size:100%,var(--zoom);background-position:center,var(--position);display:grid;place-items:center}.model-symbol{font:96px Georgia,serif;color:#fffaf0;text-shadow:0 2px 5px #18261c99}.model-status{font-size:11px;color:#8c7137;letter-spacing:.04em}.model-panel h3{font:400 52px/1.2 Georgia,serif;color:#80632c;margin:12px 0 18px}.model-direction{font:400 23px/1.6 "Songti SC",serif;margin:0 0 20px}.model-copy{font-size:14px;line-height:2;color:#687361;max-width:410px}.model-note{font-size:11px;line-height:1.9;color:#777e6e;max-width:400px;border-top:1px solid #c9b98b44;padding-top:16px;margin-top:24px}
@media(max-width:1000px){.editorial-hero.split{gap:30px}.page-main{padding-inline:40px}.editorial-hero{padding:76px 0 64px}.research-row{grid-template-columns:56px 1fr 1fr;gap:24px}.principle-row{gap:40px}.nobilum-hero{gap:30px}.nobilum-title{font-size:72px}.metal-card{padding:12px}.metal-card>span{left:12px;bottom:12px}.model-panel{gap:40px;padding-inline:0}.business-row{gap:24px}.company-emblem{width:220px;height:220px}}
@media(max-width:700px){
 .content-page .site-header{height:60px;padding-inline:20px}.content-page .brand-emblem{width:34px;height:34px}.content-page .main-nav{display:none}.content-page .header-actions{display:flex}.page-main{padding-inline:24px}.editorial-hero,.philosophy-hero{padding:64px 0 54px}.editorial-hero.split{grid-template-columns:1fr;gap:38px}.page-label{margin-bottom:24px;font-size:11px}.page-heading{font-size:38px}.page-lead{font-size:13px}.purpose-title{font-size:43px;letter-spacing:.08em}.purpose-en{font-size:8px;letter-spacing:.3em}.philosophy-emblem{width:65%;right:-18%;top:6%;opacity:.07}.principle-row{grid-template-columns:1fr;gap:18px;padding:30px 0}.principle-row h3{font-size:25px}.principle-row p{font-size:13px}.editorial-section{padding:48px 0}.section-heading{font-size:28px}.section-intro{font-size:13px;margin-bottom:28px}.garden-quote{min-height:340px;margin-top:40px;border-radius:12px}.garden-quote blockquote{padding:28px;font-size:22px}.research-emblem{max-width:235px;justify-self:center}.research-row{grid-template-columns:45px 1fr;gap:16px;padding:28px 0}.research-row p{grid-column:2}.research-row h3{font-size:21px}.research-row .research-symbol{font-size:33px}.research-feature{grid-template-columns:1fr;gap:24px;padding:30px}.research-feature h2{font-size:48px}.research-feature .page-link{justify-self:start}.company-wordmark{font-size:62px}.company-wordmark small{font-size:23px}.company-emblem{width:160px;height:160px}.business-row{grid-template-columns:1fr;gap:20px;padding:30px 0}.business-row .page-link{justify-self:start}.closing-line{flex-direction:column;align-items:start;padding:48px 0 60px;gap:26px}.page-footer{padding:24px;align-items:start;flex-direction:column;gap:12px}.page-footer div{gap:24px}
 .nobilum-hero{grid-template-columns:1fr;gap:32px;min-height:0;padding:55px 0 50px}.nobilum-title{font-size:clamp(64px,20vw,78px)}.nobilum-tagline{font-size:28px}.nobilum-hero .page-label{margin-bottom:22px}.nobilum-hero .page-lead{max-width:none}.metal-quartet{max-width:390px;width:100%;justify-self:center;padding:0 16px 28px;gap:10px}.metal-card strong{font-size:53px}.model-section{scroll-margin-top:60px}.model-tabs button{flex-direction:column;gap:8px;padding:18px 4px;font-size:9px}.model-tabs button span{font-size:28px}.model-panel{grid-template-columns:1fr;gap:30px;padding-top:32px}.model-surface{max-width:240px}.model-symbol{font-size:85px}.model-panel h3{font-size:46px}.model-direction{font-size:22px}.model-copy{font-size:13px}.page-actions{gap:16px;margin-top:26px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.content-page *{transition:none!important}}