:root{--paper:#f6f1e9;--light:#fffcf7;--dark:#33251c;--muted:#66564a;--line:#dbcec0;--gold:#805b3e;--taupe:#e7dbcd;--serif:Georgia,"Times New Roman","Songti SC","Noto Serif CJK SC",SimSun,serif;--sans:Arial,"Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--dark);background:var(--paper);font:15px/1.55 var(--sans)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.47}
[hidden]{display:none!important}
img{display:block;max-width:100%}
figure,p{margin:0}
:focus-visible{outline:2px solid #9c6e45;outline-offset:4px}
h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0;line-height:1.13}
h1{font-size:clamp(43px,5.7vw,83px);letter-spacing:-.053em}
h2{font-size:clamp(34px,4.3vw,62px);letter-spacing:-.045em}
h3{font-size:clamp(23px,2.35vw,35px)}
:lang(zh-CN) h1,:lang(zh-CN) h2{letter-spacing:-.062em}
.top{height:80px;display:flex;justify-content:space-between;align-items:center;padding:0 max(5.4vw,24px);border-bottom:1px solid var(--line);gap:20px}
.wordmark{display:flex;align-items:center;gap:10px;line-height:1.2}
.wordmark img{width:clamp(25px,3vw,32px);height:auto}
.wordmark>span{display:flex;flex-direction:column;gap:4px;letter-spacing:.29em;font-size:17px}
.wordmark small{font-size:7px;letter-spacing:.22em;white-space:nowrap}
nav{display:flex;gap:clamp(15px,3.2vw,48px);font-size:13px}
nav a:hover,.text-link:hover,.text-button:hover{color:var(--gold);text-decoration:underline}
.lang{min-width:52px;padding:7px 9px;background:transparent;border:1px solid var(--line);font-size:12px;letter-spacing:.05em}
.hero{display:grid;grid-template-columns:1fr .88fr;min-height:min(690px,67vw);max-width:1500px;margin:0 auto;padding:32px max(5.4vw,24px) 38px;gap:6vw}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:32px 0}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:bold;letter-spacing:.21em;color:var(--gold);line-height:1.5}
.eyebrow>span{width:19px;height:1px;background:currentColor;flex:none}
.hero .eyebrow{margin-bottom:27px}
.lead{margin-top:26px;color:var(--muted);line-height:1.85;max-width:40ch}
.hero-actions{margin-top:31px;display:flex;align-items:center;gap:25px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;border:1px solid transparent;padding:11px 19px;min-height:45px;font-size:13px;font-weight:600;text-align:center;transition:background .15s}
.button.primary{color:#fff9ed;background:#4b3527;border-color:#4b3527}
.button.primary:hover{background:#664936}
.button.secondary{background:transparent;border-color:#a9907c}
.button.secondary:hover{background:#f2e8dc}
.text-link,.text-button{font-size:13px;text-underline-offset:4px}
.text-button{border:0;padding:5px 0;background:none;text-decoration:underline;text-align:left}
.hero-note{display:flex;align-items:center;gap:9px;margin-top:37px;color:var(--muted);font-size:12px}
.hero-note span:first-child{color:var(--gold);font-size:18px}
.hero-image{position:relative;background:#d4beaa;min-height:450px;overflow:hidden;border-radius:49% 49% 0 0 / 30% 30% 0 0}
.hero-image img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 55%}
.hero-image figcaption{position:absolute;bottom:0;width:100%;display:flex;justify-content:space-between;padding:26px 16px 12px;color:white;background:linear-gradient(transparent,#241a16c9);font-size:10px;letter-spacing:.14em}
.steps-strip{display:grid;grid-template-columns:repeat(3,1fr);background:#ede3d7;border-block:1px solid var(--line);padding:0 max(5.4vw,24px)}
.steps-strip>div{padding:23px clamp(12px,3vw,44px);display:grid;grid-template-columns:auto 1fr;gap:1px 14px;align-items:baseline;border-right:1px solid var(--line)}
.steps-strip>div:first-child{padding-left:0}
.steps-strip>div:last-child{border-right:0}
.steps-strip span{font:italic 22px var(--serif);color:var(--gold);grid-row:span 2}
.steps-strip strong{font-size:14px;font-weight:600}
.steps-strip small{font-size:12px;color:var(--muted)}
.section{max-width:1500px;margin:0 auto;padding:83px max(5.4vw,24px)}
.section-heading{display:flex;gap:25px;align-items:end;justify-content:space-between;margin:14px 0 31px}
.section-heading p{color:var(--muted);max-width:39ch}
.studio-shell{display:grid;grid-template-columns:1.3fr 1fr;min-height:510px;border:1px solid var(--line);background:var(--light)}
.visual{background:#e9ded2;display:flex;flex-direction:column;min-width:0}
.visual-head,.visual-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px 18px;color:var(--muted);font-size:11px}
.visual-head{border-bottom:1px solid #d8c9b8}
.visual-foot{border-top:1px solid #d8c9b8}
.pill{border:1px solid #ad9680;border-radius:99px;padding:4px 9px;font-size:10px;text-align:center}
.gem-stage{flex:1;position:relative;display:grid;place-items:center;background:radial-gradient(ellipse at 48% 43%,#f8f2eb,#e1d0bd);min-height:325px}
canvas{display:block;max-width:100%;height:auto}
#gem{width:min(100%,640px);touch-action:none;cursor:grab}
#gem:active{cursor:grabbing}
#provider-image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}
.view-tools{position:absolute;top:10px;right:10px;display:flex;align-items:center;gap:4px}.view-tools button{min-height:32px;min-width:32px;padding:4px 7px;background:#f8f2eb;border:1px solid #bfaa95;font-size:12px}.view-tools output{min-width:40px;text-align:center;font:12px var(--sans);font-variant-numeric:tabular-nums}
.photo-stage{position:relative;align-self:center;margin:auto;max-width:100%;width:fit-content;overflow:hidden}
.photo-stage img{max-height:425px;max-width:100%;object-fit:contain;user-select:none}
.photo-stage svg{position:absolute;inset:0;width:100%;height:100%;touch-action:none}
.photo-stage svg path{stroke:#fff7d8;stroke-width:2;fill:#b0804930;paint-order:stroke;filter:drop-shadow(0 1px 2px #2c1a10);vector-effect:non-scaling-stroke}
.photo-stage svg .open-path{fill:none}
.photo-stage svg circle{fill:#f7dcab;stroke:#4b3527;stroke-width:1;vector-effect:non-scaling-stroke;cursor:grab}
.photo-stage svg.is-drawing{cursor:crosshair}
.controls{min-width:0;padding:25px clamp(20px,3vw,40px);display:flex;flex-direction:column}
.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:22px;gap:13px}
.tabs button{flex:1;text-align:left;background:none;border:0;border-bottom:2px solid transparent;padding:8px 2px;font-size:12px;white-space:nowrap}
.tabs button[aria-current=step]{border-bottom-color:#805b3e;font-weight:bold}
.tabs button span:first-child{margin-right:7px;color:var(--gold);font:italic 14px var(--serif)}
.controls h3+p,.status{margin:13px 0 16px;color:var(--muted);font-size:13px}
.status:empty{display:none}
.status.error{color:#8b312d}
.upload-row,.outline-tools,.row-buttons{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0}
.upload{position:relative;overflow:hidden;cursor:pointer}
.upload:focus-within{outline:2px solid #9c6e45;outline-offset:3px}
.upload input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}
.outline-tools{column-gap:16px}
.wide{width:100%}
#load-sample{margin-top:11px}
.fine,.range-label{font-size:11px;color:var(--muted);margin-top:11px}
.slider-label,.range-label{display:flex;justify-content:space-between}
.slider-label{margin-top:26px;font-size:13px}
output{font-family:var(--serif);font-size:24px;line-height:1}
input[type=range]{width:100%;accent-color:#805b3e;margin:12px 0 0}
.quote-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;margin-top:13px}
.quote-fields label,.request-note{min-width:0;display:grid;gap:4px;font-size:12px}
.quote-fields input,.quote-fields select,.request-note textarea{width:100%;padding:7px 8px;border:1px solid #bdab99;background:#fffdf9;min-height:36px}
.request-note{margin-top:10px}
.request-note textarea{resize:vertical}
.estimate{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 0 9px;border-top:1px solid var(--line);margin-top:14px}
.estimate div{display:grid;gap:3px;font-size:13px}
.estimate small,.stock,.rules{font-size:11px;color:var(--muted)}
.estimate strong{font:clamp(24px,3vw,37px) var(--serif);white-space:nowrap}
.stock{padding:6px 0 12px}
.rules{margin-top:10px}
.rules summary{cursor:pointer}
.rules div{margin-top:5px}
.sample{padding-top:18px}
.sample-grid,.craft-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.sample-picture{aspect-ratio:1/1.04;background:#e3d3c1;display:grid;place-items:center;overflow:hidden}
.sample-picture img{width:100%;height:100%;object-fit:cover}
.sample-stone{background:radial-gradient(ellipse,#f8f2eb,#e1d0bd)}
.sample-grid figcaption{display:flex;gap:9px;padding-top:12px;font-size:13px}
.sample-grid figcaption span:first-child,.craft-grid figcaption>span{color:var(--gold);letter-spacing:.14em;font-size:10px;font-weight:bold}
.sample-footer{display:flex;align-items:center;justify-content:space-between;margin-top:26px;gap:17px}
.sample-footer p{font-size:12px;color:var(--muted)}
.about{background:#493429;color:#fbf0df}
.about-inner{max-width:1500px;margin:auto;padding:75px max(5.4vw,24px);display:grid;grid-template-columns:1fr 1fr;gap:6vw}
.about .eyebrow{color:#e6c4a0;margin-bottom:20px}
.about-text{display:grid;gap:16px;color:#f5e8dc;line-height:1.85;align-content:center}
.craft-grid{grid-template-columns:1fr 1fr;gap:20px}
.craft-grid img{width:100%;aspect-ratio:1.75;object-fit:cover;background:#e7ded4}
.craft-grid figcaption{display:grid;gap:4px;padding-top:12px}
.craft-grid strong{font:24px var(--serif)}
.craft-grid small{color:var(--muted)}
footer{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding:26px max(5.4vw,24px);color:var(--muted)}
dialog{width:min(calc(100% - 30px),460px);max-height:88vh;border:1px solid #b69c84;padding:25px;background:var(--light);color:var(--dark)}
dialog::backdrop{background:#271b14a1}
dialog h3{margin:12px 0}
dialog p:not(.eyebrow){font-size:13px;color:var(--muted)}
dialog dl{margin:15px 0;border-top:1px solid var(--line)}
dialog dl div{display:grid;grid-template-columns:1fr 1.35fr;gap:8px;padding:5px 0;border-bottom:1px solid var(--line);font-size:13px}
dialog dd{margin:0;text-align:right;overflow-wrap:anywhere}
.dialog-close{position:absolute;top:6px;right:9px;background:none;border:0;font-size:24px}
@media(max-width:850px){.hero{gap:4vw}.hero-image{min-height:400px}.section{padding-top:64px;padding-bottom:64px}.sample{padding-top:12px}.studio-shell{grid-template-columns:1.1fr 1fr}}
@media(max-width:650px){.top{height:auto;min-height:65px;flex-wrap:wrap;padding-block:11px;gap:9px}.top nav{order:3;width:100%;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding-top:8px;font-size:11px}.hero{grid-template-columns:1fr;min-height:0;gap:5px;padding-top:12px;padding-bottom:22px}.hero-copy{padding:24px 0 20px}.hero .eyebrow{margin-bottom:16px}.lead{margin-top:15px}.hero-actions{margin-top:21px;gap:18px}.hero-note{margin-top:17px}.hero-image{min-height:0;aspect-ratio:1.1;max-height:430px}.hero-image img{object-position:center 41%}.steps-strip{padding-inline:14px}.steps-strip>div{gap:3px;padding:12px 6px;display:flex;flex-direction:column}.steps-strip span{font-size:17px}.steps-strip strong{font-size:12px}.steps-strip small{font-size:10px}.section{padding-block:43px}.section-heading{display:block;margin-bottom:17px}.section-heading p{margin-top:9px;font-size:13px}.studio-shell,.about-inner{grid-template-columns:1fr}.gem-stage{min-height:0}.sample{padding-top:0}.sample-grid{gap:7px}.sample-grid figcaption{font-size:10px;display:grid;gap:1px}.sample-footer{align-items:start;flex-direction:column;margin-top:15px}.about-inner{padding-block:43px}.craft-grid{gap:10px}.craft-grid strong{font-size:17px}.craft-grid small{font-size:10px}footer>span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
h1,.about h2,.lead{white-space:pre-line}.craft-grid figure:nth-child(2) img{object-fit:contain;background:white}.photo-stage svg circle:hover{fill:white}
:lang(zh-CN) .lead{max-width:51ch}
@media(max-width:650px){.hero-image img{object-position:center 32%}.sample-grid{grid-template-columns:1fr;gap:17px}.sample-picture{aspect-ratio:1.25}.sample-picture img{object-fit:contain}.sample-grid figcaption{display:flex;gap:8px;font-size:12px}.sample-footer{margin-top:20px}}

.stone-spec{display:grid;grid-template-columns:1.35fr 1fr;gap:9px;border-block:1px solid var(--line);padding:8px 0;margin-top:12px}
.stone-spec>div{display:grid;gap:3px;min-width:0}
.stone-spec span{color:var(--muted);font-size:11px}
.stone-spec strong{font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}
.size-fields{margin-top:14px}
@media(max-width:650px){.view-tools{top:6px;right:6px;gap:3px}.view-tools button{min-height:32px}.view-tools output{min-width:36px}}