@font-face{font-family:Jost;src:url('assets/fonts/jost.ttf') format('truetype');font-style:normal;font-weight:100 900;font-display:swap}
@font-face{font-family:Bodoni;src:url('assets/fonts/bodoni-moda.ttf') format('truetype');font-style:normal;font-weight:100 900;font-display:swap}
:root{--paper:#f5f5f2;--surface:#e9e9e5;--white:#fff;--ink:#171a18;--muted:#575b56;--night:#15231d;--night-ink:#f5f5f2;--night-muted:#c6cec8;--space:clamp(22px,2.3vw,48px);--small:14px;--body:16px;--lead:24px;--head:clamp(38px,3.8vw,58px);--display:clamp(60px,8vw,128px);--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;color:var(--ink);background:var(--paper);font-family:Jost,'Microsoft YaHei',sans-serif;font-size:var(--body);line-height:1.65}body.modal-open{overflow:hidden}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{background:none;border:0;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid currentColor;outline-offset:5px}button:active,.primary:active{transform:scale(.98)}button:disabled{cursor:default}img{display:block;max-width:100%}svg{display:block;fill:none;stroke:currentColor;stroke-width:1.3}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:Bodoni,Georgia,'Songti SC',SimSun,serif;font-weight:400;letter-spacing:-.035em;line-height:1.12;font-optical-sizing:auto}h1,h2{font-size:var(--head)}h3{font-size:var(--lead)}p{max-width:52ch}.wrap{padding-inline:var(--space)}.skip-link{position:absolute;left:20px;top:15px;transform:translateY(-200%);z-index:30;background:var(--ink);color:var(--white);padding:10px 18px}.skip-link:focus{transform:none}
.site-header{position:relative;z-index:10;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:116px;padding:12px var(--space);gap:30px;background:var(--paper)}.brand{grid-column:2;grid-row:1;display:flex;flex-direction:column;align-items:center;gap:3px}.brand img{width:66px;height:auto}.brand-name{font-family:Bodoni,Georgia,serif;font-size:var(--lead);line-height:1.3;letter-spacing:-.02em}.main-nav{grid-column:1;grid-row:1;display:flex;gap:28px;align-items:center}.main-nav a,.nav-actions button{font-size:var(--small);padding-block:12px}.main-nav a{white-space:nowrap}.nav-actions{grid-column:3;grid-row:1;display:flex;align-items:center;justify-content:flex-end;gap:26px}.saved-toggle{display:flex;gap:9px;align-items:center}.saved-toggle svg{width:19px;height:19px}.saved-count{font-variant-numeric:tabular-nums}.menu-toggle,.mobile-nav{display:none}.nav-actions button{min-height:44px}.main-nav a:hover,.nav-actions button:hover,.footer-links a:hover,.footer-links button:hover{opacity:.6}
.hero{position:relative;isolation:isolate;height:calc(100svh - 116px);min-height:670px;max-height:1080px;overflow:hidden;background:var(--surface)}.hero-stage{position:absolute;inset:0;--settle:1.025;transform:scale(var(--settle));transform-origin:52% 46%;will-change:transform}.hero-stage img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover;object-position:52% 45%}.hero-stage #campaign-image{transition:opacity .8s var(--ease)}.hero-bottom{position:absolute;z-index:2;bottom:43px;left:var(--space);right:var(--space);display:flex;align-items:flex-end;justify-content:space-between;gap:35px}.hero h1{font-size:var(--head);white-space:nowrap}.hero-copy>p{margin-top:14px;font-size:var(--body)}.hero-copy>.primary{margin-top:24px}.primary{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:32px;background:var(--ink);color:var(--white);padding:13px 23px;font-size:var(--body);line-height:1.45;transition:background .2s,transform .16s}.primary svg{width:20px;height:20px;flex-shrink:0;transition:transform .2s}.primary:hover{background:#34483c}.primary:hover svg{transform:translateX(4px)}.hero-selector{padding-bottom:3px}.hero-selector>#campaign-name{display:block;text-align:right;font-family:Bodoni,Georgia,serif;font-size:var(--lead);margin-bottom:12px}.colour-index{display:flex;gap:23px}.colour-index button{display:flex;align-items:center;gap:9px;padding:8px 0;min-height:44px;font-size:var(--small);opacity:.65;transition:opacity .2s}.colour-index button[aria-pressed=true],.colour-index button:hover{opacity:1}.colour-index i{display:block;width:9px;height:9px;background:var(--tone);border-radius:50%}.colour-index button[aria-pressed=true] i{outline:1px solid var(--tone);outline-offset:4px}
.hero-stage>picture{position:absolute;inset:0;display:block}
.colour-stories{padding-block:115px 110px}.story-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}.story-heading p{padding-bottom:4px}.story-pair{display:grid;grid-template-columns:1fr 1fr;gap:28px}.colour-story{display:block;min-width:0}.colour-story figure{aspect-ratio:1.1;overflow:hidden;background:var(--surface)}.colour-story img{height:100%;width:100%;object-fit:cover;object-position:52% 43%;transform:scale(1.4);transition:transform 1.1s var(--ease)}.colour-story:hover img{transform:scale(1.44)}.colour-story>span{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:18px;font-family:Bodoni,Georgia,serif;font-size:var(--lead)}.colour-story svg{height:21px;width:21px}
.collection{padding-block:80px 110px;background:var(--white)}.section-intro{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:45px}.section-intro p{max-width:39ch;padding-bottom:4px}.collection-tools{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:27px}.origin-tabs{display:flex;gap:22px;flex-wrap:wrap}.origin-tabs button{min-height:44px;padding:8px 0;font-size:var(--body);color:var(--muted)}.origin-tabs button[aria-pressed=true]{color:var(--ink);font-weight:bold}.colour-filters{display:flex;gap:6px;align-items:center}.colour-filter{width:38px;height:44px;position:relative;display:grid;place-items:center;padding:8px}.colour-filter>span{width:14px;height:14px;border-radius:50%;display:block;background:var(--swatch)}.colour-filter[aria-pressed=true]:after{content:'';position:absolute;inset:7px 4px;outline:1px solid currentColor;border-radius:50%}.colour-filter.all-colours{width:45px;font-size:var(--small)}.colour-filter.all-colours>span{height:auto;width:auto;background:none}.colour-filter.all-colours[aria-pressed=true]:after{display:none}.colour-filter.all-colours[aria-pressed=true]{font-weight:bold}.search-field{width:220px;display:flex;align-items:center;gap:10px;background:var(--paper);padding:12px 16px}.search-field svg{height:18px;width:18px;flex-shrink:0}.search-field input{border:0;min-width:0;width:100%;background:none;color:var(--ink);font-size:var(--body)}.search-field input::placeholder{color:var(--muted)}.catalogue-status{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;font-size:var(--small);color:var(--muted)}.gem-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:42px 25px}.gem-card{min-width:0}.gem-photo{position:relative;aspect-ratio:1.12;background:var(--paper);overflow:hidden}.gem-open{display:block;height:100%;width:100%;padding:0}.gem-open img{height:100%;width:100%;object-fit:cover;transition:transform .8s var(--ease)}.gem-open:hover img{transform:scale(1.045)}.save-button{position:absolute;right:12px;top:12px;height:44px;width:44px;display:grid;place-items:center;transition:transform .2s}.save-button:hover{transform:scale(1.12)}.save-button svg{width:19px;height:19px}.save-button[aria-pressed=true] svg{fill:var(--ink)}.gem-meta{display:flex;justify-content:space-between;gap:15px;padding-top:18px}.gem-name{font-family:Bodoni,Georgia,'Songti SC',serif;font-size:var(--lead);letter-spacing:-.025em;text-align:left;line-height:1.25;padding:0}.gem-meta p{font-size:var(--small);margin-top:8px;color:var(--muted)}.gem-arrow svg{height:19px;width:19px;margin-top:3px}.gallery-disclaimer{font-size:var(--small);color:var(--muted);max-width:94ch;line-height:1.6;margin-top:38px}.empty-state{grid-column:1/-1;background:var(--paper);padding:35px}.empty-state .text-link{margin-top:18px}
.understand{display:grid;grid-template-columns:1.18fr 1fr;gap:0;background:var(--surface)}.understand-visual{min-height:760px;overflow:hidden}.understand-visual img{width:100%;height:100%;object-fit:cover;object-position:54% 45%;transform:scale(2.25)}.understand-copy{padding:80px 8vw 70px 6vw;align-self:center}.understand-copy>p{margin-top:28px}.origin-comparison{display:grid;gap:28px;margin-top:36px}.origin-item h3{margin-bottom:10px}.origin-item p{max-width:39ch}.text-link{display:inline-flex;align-items:center;gap:25px;font-size:var(--body);padding:8px 0;min-height:44px}.text-link svg{width:20px;height:20px;transition:transform .2s}.text-link:hover svg{transform:translateX(4px)}.understand-copy .text-link{margin-top:25px}
.stone-guide{padding:120px var(--space) 110px}.guide-layout{display:grid;grid-template-columns:1fr 1.18fr;gap:10vw;align-items:center;margin-top:50px}.guide-index{display:grid;gap:35px}.guide-row{display:block;width:100%;text-align:left;padding:0;min-height:44px}.guide-row strong{font-family:Bodoni,Georgia,'Songti SC',serif;font-weight:400;font-size:var(--lead);display:flex;align-items:center;justify-content:space-between;gap:15px;letter-spacing:-.025em}.guide-row:not([aria-pressed=true]){color:var(--muted)}.guide-row[aria-pressed=true] strong:after{content:'↗';font-family:Arial,sans-serif}.guide-entry>p{margin-top:8px;max-width:37ch}.guide-preview{aspect-ratio:1.15;background:var(--white);overflow:hidden}.guide-preview img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}.guide-preview:hover img{transform:scale(1.04)}
.questions{padding:0 var(--space) 110px;display:grid;grid-template-columns:1fr 1.18fr;gap:10vw;align-items:start}.questions h2{max-width:12ch}.faq-stack{display:grid;gap:12px}.faq-stack details{padding:18px 0}.faq-stack summary{font-size:var(--body);display:flex;align-items:center;justify-content:space-between;gap:24px;cursor:pointer;list-style:none;min-height:44px}.faq-stack summary::-webkit-details-marker{display:none}.faq-stack summary:after{content:'+';font-size:var(--lead);line-height:1}.faq-stack details[open] summary:after{content:'−'}.faq-stack details>p{margin-top:17px;max-width:48ch}
.footer{background:var(--night);color:var(--night-ink);padding:65px var(--space) 30px}.footer-top{display:flex;justify-content:space-between;align-items:start;gap:40px}.footer-top>p{font-family:Bodoni,Georgia,'Songti SC',serif;font-size:var(--head);line-height:1.1;letter-spacing:-.035em}.footer-links{display:flex;gap:32px;padding-top:6px}.footer-links a,.footer-links button{font-size:var(--body);padding:8px 0}.footer-signature{display:flex;align-items:center;justify-content:center;gap:48px;padding:75px 0}.footer-signature img{width:180px;height:auto}.footer-signature>span{font-family:Bodoni,Georgia,serif;font-size:var(--display);line-height:1.1;letter-spacing:-.05em}.footer-bottom{display:flex;justify-content:space-between;align-items:start;gap:30px;font-size:var(--small);color:var(--night-muted)}.footer-bottom p{max-width:56ch}.footer-bottom button{font-size:var(--small);padding:0}
dialog{border:0;padding:0;width:min(960px,calc(100vw - 44px));max-height:calc(100svh - 44px);color:var(--ink);background:var(--paper);overflow:auto}dialog::backdrop{background:rgba(10,20,14,.65)}.dialog-close{position:absolute;right:16px;top:16px;width:44px;height:44px;z-index:3;background:var(--paper);display:grid;place-items:center}.dialog-close svg{height:23px;width:23px}.product-dialog{display:grid;grid-template-columns:1fr 1fr;min-height:590px}.product-dialog>img{width:100%;height:100%;object-fit:cover}.product-dialog-content{padding:65px 35px 35px}.product-dialog h2,.plain-dialog h2{font-size:var(--head)}.product-dialog-content>p{margin-top:20px}.gem-facts{margin:30px 0;display:grid;gap:16px;font-size:var(--small)}.gem-facts>div{display:flex;justify-content:space-between;gap:22px}.gem-facts dt{color:var(--muted)}.gem-facts dd{margin:0;text-align:right}.product-dialog .primary{width:100%}.product-dialog .text-link{margin-top:16px}.dialog-note{font-size:var(--small)!important;color:var(--muted);line-height:1.7}.plain-dialog{padding:70px 45px 40px}.plain-dialog h2{margin-bottom:25px}.plain-dialog>p{margin-top:20px}.saved-list{display:grid;gap:12px;margin:30px 0}.saved-item{display:flex;align-items:center;gap:18px;background:var(--white);padding:12px}.saved-item img{width:84px;height:84px;object-fit:cover}.saved-item>div{flex:1}.saved-item>div p{font-size:var(--small)}.saved-item button{min-height:44px;font-size:var(--small)}.enquiry-form{display:grid;gap:24px;margin-top:30px}.enquiry-form label{display:grid;gap:10px}.enquiry-form textarea,.enquiry-form input{background:var(--white);border:0;width:100%;padding:16px;color:var(--ink);font-size:var(--body)}.enquiry-form textarea{min-height:120px;resize:vertical}.enquiry-form .primary{justify-self:start}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,20px);padding:15px 25px;background:var(--ink);color:var(--white);font-size:var(--small);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;max-width:calc(100vw - 40px);z-index:50}.toast.visible{opacity:1;transform:translate(-50%,0)}.no-script{padding:60px;max-width:800px}
.reveal{opacity:1}.js-motion .reveal{transform:translateY(20px);transition:transform .85s var(--ease);transition-delay:var(--delay,0ms)}.js-motion .reveal.is-visible{transform:none}.js-motion .colour-story.reveal{transform:translateY(28px)}.js-motion .colour-story.reveal.is-visible{transform:none}.js-motion .guide-preview.reveal{transform:translateX(20px)}.js-motion .guide-preview.reveal.is-visible{transform:none}.js-motion .understand-visual.reveal img{transition:transform 1.3s var(--ease);transform:scale(2.35)}.js-motion .understand-visual.reveal.is-visible img{transform:scale(2.25)}
:lang(zh-CN) h1,:lang(zh-CN) h2,:lang(zh-CN) h3{font-family:'Songti SC',SimSun,serif;letter-spacing:.01em;line-height:1.25}
@media(max-width:1100px){.main-nav{gap:18px}.site-header{gap:20px}.hero{min-height:640px}.understand-copy{padding:65px 5vw}.understand-visual{min-height:760px}.collection-tools{flex-wrap:wrap}.search-field{margin-left:auto}.hero-selector>#campaign-name{display:none}.hero-bottom{bottom:35px}.colour-index{gap:17px}.hero h1{white-space:normal;max-width:10ch}.hero-copy>p{max-width:26ch}.footer-links{gap:22px}}
@media(max-width:850px){.site-header{height:104px}.main-nav{display:none}.brand{grid-column:2}.nav-actions{gap:24px}.menu-toggle{display:grid;place-items:center}.menu-toggle svg{height:22px;width:22px}.saved-label{display:none}.mobile-nav.is-open{display:flex;gap:30px;flex-wrap:wrap;padding:18px var(--space);background:var(--paper)}.hero{height:calc(100svh - 104px);min-height:650px}.hero-stage img{object-position:52% 43%}.hero-bottom{bottom:30px;align-items:end;gap:20px}.hero-copy>p{max-width:28ch}.hero-selector{max-width:110px}.colour-index{flex-direction:column;gap:4px}.colour-stories{padding-block:85px}.story-heading{align-items:start}.story-heading p{max-width:22ch}.story-pair{gap:22px}.colour-story figure{aspect-ratio:.85}.colour-story img{transform:scale(1.18)}.colour-story:hover img{transform:scale(1.22)}.collection{padding-block:70px 85px}.section-intro{align-items:start}.section-intro p{max-width:26ch}.collection-tools{gap:18px}.origin-tabs{gap:18px}.search-field{width:100%;margin:0}.gem-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 22px}.gem-grid[data-count="9"] .gem-card:last-child{grid-column:1/-1;width:calc(50% - 11px)}.understand{grid-template-columns:1fr 1fr}.understand-visual{min-height:720px}.understand-copy{padding:50px 30px}.understand-copy>p{margin-top:22px}.origin-comparison{margin-top:25px;gap:25px}.origin-item h3{margin-bottom:8px}.stone-guide{padding-block:85px}.guide-layout,.questions{gap:6vw;grid-template-columns:1fr 1fr}.guide-layout{margin-top:40px}.questions{padding-bottom:85px}.questions h2{max-width:none}.footer-signature{gap:35px}.footer-signature img{width:140px}.footer-bottom p{max-width:35ch}}
@media(max-width:600px){:root{--space:22px;--head:38px;--display:56px}.site-header{height:100px;gap:10px;padding-block:12px}.brand img{width:54px}.brand-name{font-size:var(--small);line-height:1.5}.brand{gap:2px}.nav-actions{gap:17px}.nav-actions>[data-action=language]{position:absolute;left:var(--space);top:29px}.saved-toggle{gap:5px}.saved-toggle svg{height:18px;width:18px}.nav-actions button{font-size:var(--small)}.hero{height:calc(100svh - 100px);min-height:650px;max-height:950px}.hero-stage{transform-origin:52% 40%}.hero-stage img{object-fit:cover;object-position:51.5% 29%;height:100%;width:100%}.hero-bottom{bottom:25px;display:block}.hero h1{font-size:var(--head);max-width:none;white-space:normal;line-height:1.12}.hero-copy>p{max-width:none;margin-top:12px;font-size:var(--small)}.hero-copy>.primary{margin-top:20px;min-height:48px;font-size:var(--small);gap:30px}.hero-selector{max-width:none;padding:0;margin-top:23px}.colour-index{flex-direction:row;justify-content:space-between;gap:12px}.colour-index button{font-size:var(--small);min-height:44px}.colour-index i{width:8px;height:8px}.colour-stories{padding-block:65px}.story-heading{display:block;margin-bottom:27px}.story-heading p{max-width:none;margin-top:16px}.story-pair{gap:25px;grid-template-columns:1fr}.colour-story figure{aspect-ratio:1.07}.colour-story img{transform:scale(1.35)}.colour-story:hover img{transform:scale(1.38)}.colour-story>span{padding-top:14px}.collection{padding-block:60px 65px}.section-intro{display:block;margin-bottom:30px}.section-intro p{max-width:32ch;margin-top:18px}.collection-tools{gap:17px}.origin-tabs{width:100%;gap:0;justify-content:space-between}.colour-filters{width:100%;justify-content:space-between}.colour-filter{width:42px}.search-field{width:100%;padding:12px 15px}.catalogue-status{font-size:var(--small);gap:15px;margin-bottom:22px}.gem-grid{gap:29px 14px}.gem-grid[data-count="9"] .gem-card:last-child{width:calc(50% - 7px)}.gem-photo{aspect-ratio:.9}.save-button{top:3px;right:3px;height:38px;width:38px}.save-button svg{height:17px;width:17px}.gem-meta{padding-top:15px}.gem-name{font-size:var(--lead);line-height:1.2}.gem-meta p{font-size:var(--small);line-height:1.6;margin-top:7px}.gem-arrow{display:none}.gallery-disclaimer{margin-top:30px;line-height:1.7}.understand{grid-template-columns:1fr}.understand-visual{min-height:0;aspect-ratio:1.12;width:100%;overflow:hidden}.understand-visual img{height:100%;width:100%}.understand-copy{padding:45px var(--space) 60px}.understand-copy h2{font-size:var(--head)}.understand-copy h2 br{display:none}.understand-copy>p{max-width:36ch}.origin-comparison{gap:25px;margin-top:30px}.origin-item p{max-width:39ch}.stone-guide{padding:65px var(--space)}.guide-layout{grid-template-columns:1fr;margin-top:28px;gap:30px}.guide-preview{grid-row:1;aspect-ratio:1.1}.guide-index{gap:24px}.guide-entry>p{max-width:38ch}.questions{padding:0 var(--space) 65px;grid-template-columns:1fr;gap:24px}.faq-stack{gap:5px}.faq-stack details{padding-block:15px}.faq-stack details>p{max-width:38ch}.footer{padding:45px var(--space) 25px}.footer-top{display:block}.footer-links{margin-top:25px;gap:24px;flex-wrap:wrap}.footer-signature{padding:50px 0;gap:22px;flex-direction:column}.footer-signature img{width:112px}.footer-signature>span{font-size:var(--display)}.footer-bottom{display:grid;gap:16px}.footer-bottom p{max-width:38ch}.footer-bottom button{justify-self:start}.product-dialog{grid-template-columns:1fr}.product-dialog>img{height:300px}.product-dialog-content{padding:35px 25px}.product-dialog h2,.plain-dialog h2{font-size:var(--head)}.plain-dialog{padding:65px 25px 35px}.gem-facts{gap:16px}.gem-facts>div{gap:18px}.saved-item{gap:12px;padding:10px}.saved-item img{width:62px;height:62px}.toast{width:max-content;max-width:calc(100vw - 40px);text-align:center}.no-script{padding:30px}}
@media(max-width:370px){:root{--head:34px}.nav-actions{gap:13px}.hero{min-height:640px}.colour-index button{gap:7px}.gem-name{font-size:var(--lead)}.footer-links{gap:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.hero-stage{transform:none!important}.js-motion .reveal,.js-motion .colour-story.reveal,.js-motion .guide-preview.reveal{transform:none!important}.colour-story:hover img,.gem-open:hover img,.guide-preview:hover img{transform:none}}

/* Client-selected direction C: plaster, sunlight, champagne facets. */
:root{--paper:#f7f6ef;--surface:#efeee7;--ink:#1d211e;--muted:#4e544d;--space:clamp(24px,6.4vw,110px);--night:#efeee7;--night-ink:#1d211e;--night-muted:#565b55;--head:clamp(40px,4.2vw,64px)}
.site-header{position:absolute;inset:0 0 auto;height:100px;background:transparent;padding:20px 39px;gap:25px}
.brand img{width:46px}.brand-name{font-size:16px}.brand{gap:4px}.main-nav{gap:26px}.nav-actions{gap:22px}.saved-label{display:none}
.hero{height:100svh;min-height:800px;max-height:1200px;background:var(--paper)}
.hero-stage{transform-origin:65% 45%;--settle:1}.hero-stage img{object-position:57% center}
.hero>.hero-copy{position:absolute;z-index:2;left:6.4%;top:28%;width:44%}
.hero h1{font-size:clamp(65px,7.4vw,108px);line-height:1.01;letter-spacing:-.045em;white-space:normal;max-width:none}
.hero-copy>p{max-width:23ch;font-size:16px;line-height:1.55;margin-top:28px}.hero-copy>.primary{margin-top:22px}
.hero-foot{position:absolute;bottom:33px;left:6.4%;right:6.4%;display:flex;align-items:end;justify-content:space-between;gap:30px;font-size:14px;line-height:1.5}
.hero-foot>div{text-align:right}.hero-foot a{display:inline-block;padding-block:10px}.hero-foot a:hover{text-decoration:underline;text-underline-offset:5px}
.primary:hover{background:#414940}
.colour-stories{padding-top:120px;padding-bottom:125px}.story-heading{align-items:end;margin-bottom:55px}.story-heading p{max-width:25ch}
.story-pair{grid-template-columns:1.15fr .85fr;gap:6vw;align-items:start}.colour-story:nth-child(2){margin-top:135px}
.colour-story figure{aspect-ratio:1.04;background:var(--surface)}.colour-story:nth-child(2) figure{aspect-ratio:.88}
.colour-story img{object-position:50% 50%;transform:scale(1.02)}.colour-story:hover img{transform:scale(1.055)}.colour-story>span{font-size:var(--lead);padding-top:22px}
.collection{padding-top:100px;padding-bottom:115px;background:#fff}.section-intro{margin-bottom:55px}.section-intro p{max-width:30ch}.gem-grid{gap:45px 30px}
.gem-photo{aspect-ratio:1;background:var(--paper)}.gem-name{font-size:var(--lead)}.gem-meta p{font-size:16px}.gallery-disclaimer{font-size:16px;max-width:90ch}
.understand{grid-template-columns:1fr 1fr;background:var(--surface)}.understand-visual{min-height:740px}.understand-visual img{object-position:67% 48%;transform:scale(1.28)}
.understand-copy{padding:75px 6.4vw}.understand-copy h2{font-size:var(--head)}.origin-item h3{font-size:24px}.origin-comparison{gap:30px}
.js-motion .understand-visual.reveal img{transform:scale(1.34)}.js-motion .understand-visual.reveal.is-visible img{transform:scale(1.28)}
.stone-guide{padding-block:120px}.guide-layout{grid-template-columns:1fr 1fr;gap:9vw}.guide-preview{background:#fff;aspect-ratio:1}.guide-preview img{object-fit:contain}.questions{grid-template-columns:1fr 1fr;gap:9vw;padding-bottom:120px}
.footer{padding-top:70px}.footer-signature{justify-content:space-between;gap:40px;padding:85px 0 65px}.footer-signature img{width:clamp(100px,14vw,210px)}.footer-signature>span{font-size:clamp(70px,12vw,190px)}
.footer-bottom{font-size:14px}.footer-bottom button{font-size:14px}
.js-motion .guide-preview.reveal{transform:translateY(24px)}.js-motion .guide-preview.reveal.is-visible{transform:none}
@media(min-width:1600px){.hero>.hero-copy{top:29%}}
@media(max-width:1100px){.site-header{padding-inline:28px}.main-nav{gap:18px}.hero{min-height:800px}.hero h1{font-size:clamp(64px,7.4vw,84px)}.hero-copy>p{max-width:23ch}.collection-tools{gap:20px}.understand-copy{padding:55px 5vw}.origin-item h3{font-size:24px}.footer-links{gap:22px}}
@media(max-width:850px){.site-header{height:96px}.hero{height:100svh;min-height:800px}.hero>.hero-copy{left:5%;width:80%;top:17%}.hero h1{font-size:59px}.hero-stage img{object-position:center}.hero-foot{left:5%;right:5%}.mobile-nav{position:absolute;z-index:12;top:96px;left:0;right:0}.mobile-nav.is-open{background:var(--paper);padding:24px var(--space)}
.colour-stories{padding-block:85px}.story-heading{margin-bottom:40px}.story-pair{gap:28px}.colour-story:nth-child(2){margin-top:90px}.colour-story>span{font-size:24px}.collection{padding-block:85px}.gem-grid{gap:38px 24px}.gem-name{font-size:24px}.understand-visual{min-height:820px}.understand-copy{padding:50px 30px}.understand-copy h2{font-size:40px}.origin-item h3{font-size:24px}.stone-guide{padding-block:85px}.questions{padding-bottom:85px}.footer-signature{padding-block:65px}}
@media(max-width:600px){:root{--space:25px;--head:40px;--display:56px}.site-header{height:92px;padding:18px 25px}.brand img{width:40px}.brand-name{font-size:14px}.brand{gap:3px}.nav-actions{gap:15px}.nav-actions>[data-action=language]{left:25px;top:25px}.saved-toggle svg{width:18px;height:18px}.mobile-nav{top:92px}.mobile-nav.is-open{display:grid;gap:15px}.mobile-nav a{min-height:44px;display:flex;align-items:center}
.hero{min-height:780px;max-height:1050px;height:100svh}.hero-stage{transform-origin:65% 65%}.hero-stage img{object-position:center;object-fit:cover}.hero>.hero-copy{top:17%;left:25px;width:calc(100% - 50px)}.hero h1{font-size:50px;line-height:1.01;letter-spacing:-.045em}.hero-copy>p{font-size:16px;max-width:23ch;line-height:1.5;margin-top:19px}.hero-copy>.primary{font-size:16px;min-height:48px;margin-top:14px;gap:28px}
.hero-foot{left:25px;right:25px;bottom:24px;font-size:14px;gap:20px}.hero-foot>p{max-width:17ch}.hero-foot>div{max-width:22ch}
.colour-stories{padding-block:65px}.story-heading{margin-bottom:32px}.story-heading p{margin-top:20px;max-width:28ch}.story-pair{grid-template-columns:1fr;gap:35px}.colour-story:nth-child(2){margin-top:0;width:88%;justify-self:end}.colour-story figure{aspect-ratio:1.02}.colour-story:nth-child(2) figure{aspect-ratio:1}.colour-story>span{font-size:24px;padding-top:15px}.colour-story img{transform:scale(1.02)}
.collection{padding-block:65px}.section-intro{margin-bottom:30px}.section-intro p{max-width:30ch;margin-top:18px}.gem-grid{gap:30px 14px}.gem-photo{aspect-ratio:.97}.gem-name{font-size:24px}.gem-meta p{font-size:14px}.catalogue-status{font-size:14px}.gallery-disclaimer{font-size:16px;line-height:1.6;margin-top:35px}
.understand{grid-template-columns:1fr}.understand-visual{min-height:0;aspect-ratio:1.12}.understand-visual img{object-position:68% 48%}.understand-copy{padding:45px 25px 60px}.understand-copy h2{font-size:40px}.understand-copy h2 br{display:initial}.origin-item h3{font-size:24px}.understand-copy>p{max-width:34ch}.stone-guide{padding-block:65px}.guide-layout{grid-template-columns:1fr;gap:30px}.guide-preview{aspect-ratio:1.05}.questions{grid-template-columns:1fr;gap:25px;padding-bottom:65px}.questions h2{font-size:40px}.footer{padding-top:45px}.footer-signature{flex-direction:row;justify-content:space-between;gap:15px;padding-block:50px}.footer-signature img{width:70px}.footer-signature>span{font-size:clamp(42px,11.7vw,70px);letter-spacing:-.045em}.footer-bottom{font-size:14px;gap:18px}.footer-links{gap:22px}.footer-top>p{font-size:40px}
:lang(zh-CN) .hero h1{font-size:44px;line-height:1.2}:lang(zh-CN) .hero-copy>p{max-width:18ch}
}
@media(max-width:370px){.hero h1{font-size:46px}.hero-copy>p{font-size:16px}.gem-name{font-size:21px}.footer-signature img{width:62px}.footer-signature>span{font-size:40px}.hero-foot{font-size:14px}}
@media(prefers-reduced-motion:reduce){.hero-stage{transform:none!important}.js-motion .reveal,.js-motion .guide-preview.reveal,.js-motion .colour-story.reveal{transform:none!important}}