@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.table{display:table}.resize{resize:both}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#17332d;--ink-soft:#536762;--green-900:#103f35;--green-800:#155c4a;--green-700:#1d725c;--green-100:#dceee8;--green-050:#eef7f3;--blue-800:#155b7d;--blue-100:#dcecf4;--blue-050:#eef6fa;--amber-800:#875500;--amber-100:#f8e8b9;--amber-050:#fff8e8;--red-800:#9f342b;--red-100:#f2d8d5;--red-050:#fff3f1;--line:#d9e3df;--paper:#fff;--canvas:#f4f7f6;--shadow:0 18px 48px #123f351a;--font-sans:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--canvas);color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-offset:3px;outline:3px solid #155b7d6b}a{color:inherit;text-decoration:none}mark{color:var(--green-900);background:#dff1e9;border-radius:3px;padding:0 .12em;font-weight:750}.sampling-3d-page{--lab-bg:#fffaf3;--lab-panel:#fffdf9f0;--lab-line:#264c4d29;--lab-ink:#173238;--lab-muted:#607579;--lab-mint:#0a7b72;--lab-mint-soft:#def1eb;--lab-blue:#1677ff;--lab-red:#ef3e46;--lab-sand:#d29a68;min-height:100vh;color:var(--lab-ink);background:radial-gradient(circle at 9% -8%,#ebb46a36,#0000 29%),radial-gradient(circle at 92% 4%,#52ae9d29,#0000 31%),linear-gradient(145deg,#fffdf9 0%,#faf5ed 50%,#f2e8dc 100%);overflow-x:hidden}.sampling-3d-page:before{z-index:0;pointer-events:none;content:"";background-image:linear-gradient(#3463650b 1px,#0000 1px),linear-gradient(90deg,#3463650a 1px,#0000 1px);background-size:72px 72px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 92%);mask-image:linear-gradient(#000,#0000 92%)}.sampling-3d-header,.sampling-3d-main,.sampling-3d-footer{z-index:1;position:relative}.sampling-3d-header{border:1px solid var(--lab-line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffdf9db;border-radius:18px;justify-content:space-between;align-items:center;width:min(1480px,100vw - 44px);min-height:72px;margin:18px auto 0;padding:10px 12px;display:flex;box-shadow:0 15px 48px #503a2217}.sampling-3d-header nav{align-items:center;gap:8px;display:flex}.sampling-3d-header nav a{border:1px solid var(--lab-line);min-height:38px;color:var(--lab-muted);background:#ffffffa3;border-radius:9px;align-items:center;gap:7px;padding:0 13px;font-size:12px;font-weight:700;transition:all .16s;display:inline-flex}.sampling-3d-header nav a:hover,.sampling-3d-header nav a.is-current{color:var(--lab-mint);background:var(--lab-mint-soft);border-color:#0a7b7257}.sampling-3d-header nav svg{width:16px;height:16px}.sampling-3d-main{width:min(1480px,100vw - 44px);margin:0 auto;padding:58px 0 48px}.sampling-3d-hero{justify-content:space-between;align-items:end;gap:44px;padding:0 8px 34px;display:flex}.sampling-3d-eyebrow{color:var(--lab-mint);letter-spacing:.15em;align-items:center;gap:9px;font-size:11px;font-weight:800;display:inline-flex}.sampling-3d-eyebrow>span{background:var(--lab-mint);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 5px #0a7b721a}.sampling-3d-hero h1{color:var(--lab-ink);letter-spacing:-.05em;margin:13px 0 12px;font-size:clamp(42px,5.2vw,76px);font-weight:790;line-height:1.02}.sampling-3d-hero p{max-width:780px;color:var(--lab-muted);margin:0;font-size:clamp(15px,1.3vw,19px);line-height:1.75}.sampling-3d-hero-note{color:#8e5e1f;background:#fff8e8d1;border:1px solid #a2671b38;border-radius:14px;flex:none;align-items:center;gap:12px;min-width:260px;padding:15px 17px;display:flex}.sampling-3d-hero-note>svg{width:25px;height:25px}.sampling-3d-hero-note>span{gap:3px;display:grid}.sampling-3d-hero-note b{font-size:13px}.sampling-3d-hero-note small{color:#876f4c;font-size:10px}.sampling-3d-config{border:1px solid var(--lab-line);background:#fffdf9f0;border-radius:18px 18px 0 0;grid-template-columns:1fr 1fr 1fr minmax(260px,1.05fr);gap:10px;padding:12px;display:grid;box-shadow:0 16px 48px #4c382114}.sampling-3d-config>label,.sampling-3d-config-result{border:1px solid var(--lab-line);background:#fffdf9;border-radius:11px;gap:8px;min-width:0;min-height:82px;padding:12px 14px;display:grid}.sampling-3d-config label>span,.sampling-3d-config-result>span{color:var(--lab-muted);letter-spacing:.04em;font-size:10px;font-weight:760}.sampling-3d-config label>span b{color:var(--lab-mint);margin-right:5px}.sampling-3d-config select{width:100%;color:var(--lab-ink);text-overflow:ellipsis;background:0 0;border:0;outline:0;padding:0 24px 0 0;font-size:14px;font-weight:720}.sampling-3d-config select:disabled{color:#7e8b8d;opacity:1}.sampling-3d-config-result{color:#fff;background:linear-gradient(135deg,#146e65,#155f80);border-color:#0000}.sampling-3d-config-result>span{color:#ffffffb8}.sampling-3d-config-result strong{color:#fff;text-overflow:ellipsis;align-self:center;font-size:14px;line-height:1.35;overflow:hidden}.sampling-3d-workspace{border:1px solid var(--lab-line);background:var(--lab-panel);border-top:0;border-radius:0 0 18px 18px;grid-template-columns:minmax(0,1.72fr) minmax(310px,.68fr);min-height:650px;display:grid;overflow:hidden;box-shadow:0 24px 62px #48341e1f}.sampling-3d-stage{border-right:1px solid var(--lab-line);background:radial-gradient(circle at 50% 45%,#fffffff5,#f7eee1c7);min-width:0;min-height:650px;position:relative;overflow:hidden}.sampling-3d-stage:after{pointer-events:none;filter:blur(18px);content:"";background:radial-gradient(#3a2e1f24,#0000 67%);height:72px;position:absolute;inset:auto 4% 3%}.sampling-3d-stage-topline{z-index:4;pointer-events:none;justify-content:space-between;align-items:center;gap:12px;display:flex;position:absolute;top:16px;left:17px;right:17px}.sampling-3d-sample-chip,.sampling-3d-webgl{border:1px solid var(--lab-line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffdf9e6;border-radius:999px;align-items:center;min-height:38px;display:inline-flex;box-shadow:0 8px 28px #3f301f14}.sampling-3d-sample-chip{color:var(--lab-mint);gap:8px;padding:0 14px 0 10px}.sampling-3d-sample-chip b{color:var(--lab-ink);font-size:12px}.sampling-3d-sample-chip small{max-width:190px;color:var(--lab-muted);text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.sampling-3d-webgl{color:var(--lab-muted);letter-spacing:.05em;gap:7px;padding:0 12px;font-size:9px;font-weight:750}.sampling-3d-webgl i{background:#d6a042;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #d6a0421f}.sampling-3d-webgl--ready i{background:var(--lab-mint);box-shadow:0 0 0 4px #0a7b721c}.sampling-3d-webgl--fallback i{background:var(--lab-red);box-shadow:0 0 0 4px #ef3e461a}.sampling-3d-canvas{cursor:grab;touch-action:none;outline:0;width:100%;height:100%;display:block;position:absolute;inset:0}.sampling-3d-canvas:active{cursor:grabbing}.sampling-3d-canvas:focus-visible{outline:2px solid var(--lab-blue);outline-offset:-4px}.sampling-3d-scene-legend{z-index:4;pointer-events:none;flex-wrap:wrap;gap:8px;display:flex;position:absolute;bottom:16px;left:17px}.sampling-3d-scene-legend>span{border:1px solid var(--lab-line);min-height:28px;color:var(--lab-muted);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffdf9e6;border-radius:999px;align-items:center;gap:6px;padding:0 10px;font-size:9px;font-weight:700;display:inline-flex}.sampling-3d-scene-legend i{background:var(--lab-blue);border-radius:50%;width:9px;height:9px;display:inline-block}.sampling-3d-scene-legend i.is-impurity{background:var(--lab-red);border-radius:2px;transform:rotate(45deg)}.sampling-3d-scene-legend i.is-sample{border:1px solid #1732381f}.sampling-3d-fallback{z-index:5;border:1px solid var(--lab-line);color:var(--lab-muted);text-align:center;background:#fffdf9f5;border-radius:18px;align-content:center;place-items:center;gap:9px;padding:28px;display:grid;position:absolute;inset:28% 18%}.sampling-3d-fallback svg{width:34px;height:34px;color:var(--lab-mint)}.sampling-3d-fallback b{color:var(--lab-ink);font-size:15px}.sampling-3d-fallback span{font-size:11px}.sampling-3d-narration{background:#fffdf9f2;flex-direction:column;min-width:0;padding:37px 32px 28px;display:flex;position:relative}.sampling-3d-stage-number{color:var(--lab-mint);align-items:baseline;gap:7px;display:flex}.sampling-3d-stage-number span{letter-spacing:-.06em;font-size:56px;font-weight:790;line-height:1}.sampling-3d-stage-number small{color:#9aaaa8;font-size:13px;font-weight:760}.sampling-3d-stage-kicker{color:var(--lab-mint);letter-spacing:.16em;align-items:center;gap:7px;margin-top:25px;font-size:10px;font-weight:800;display:inline-flex}.sampling-3d-stage-kicker svg{width:16px;height:16px}.sampling-3d-narration h2{color:var(--lab-ink);letter-spacing:-.035em;margin:11px 0 14px;font-size:clamp(27px,2.4vw,38px);line-height:1.16}.sampling-3d-narration>p{min-height:116px;color:var(--lab-muted);margin:0;font-size:14px;line-height:1.85}.sampling-3d-principle{background:#def1eb8f;border:1px solid #0a7b722b;border-radius:12px;gap:7px;margin-top:21px;padding:16px;display:grid}.sampling-3d-principle span{color:var(--lab-mint);letter-spacing:.09em;font-size:9px;font-weight:800}.sampling-3d-principle b{color:#26544c;font-size:12px;line-height:1.6}.sampling-3d-source{color:#7e8f90;align-items:flex-start;gap:7px;margin-top:17px;font-size:9px;line-height:1.55;display:flex}.sampling-3d-source svg{flex:none;width:14px;height:14px}.sampling-3d-stage-nav{grid-template-columns:1fr 1fr;gap:8px;margin-top:auto;padding-top:24px;display:grid}.sampling-3d-stage-nav button,.sampling-3d-playback>button{border:1px solid var(--lab-line);min-height:42px;color:var(--lab-ink);cursor:pointer;background:#fff;border-radius:9px;justify-content:center;align-items:center;gap:7px;font-size:11px;font-weight:720;display:inline-flex}.sampling-3d-stage-nav button:hover,.sampling-3d-playback>button:hover{color:var(--lab-mint);border-color:#0a7b725c}.sampling-3d-stage-nav button:disabled{cursor:not-allowed;opacity:.38}.sampling-3d-stage-nav svg,.sampling-3d-playback button svg{width:16px;height:16px}.sampling-3d-playback{border:1px solid var(--lab-line);background:#fffdf9e6;border-radius:14px;grid-template-columns:auto auto auto minmax(250px,1fr) auto;align-items:center;gap:9px;margin-top:13px;padding:12px;display:grid;box-shadow:0 12px 38px #4b361f12}.sampling-3d-playback>button{padding:0 14px}.sampling-3d-playback>button.sampling-3d-play{color:#fff;border-color:var(--lab-mint);background:var(--lab-mint)}.sampling-3d-playback>label{border:1px solid var(--lab-line);background:#fff;border-radius:9px;align-items:center;gap:7px;min-height:42px;padding:0 10px;display:flex}.sampling-3d-playback label span{color:var(--lab-muted);font-size:10px;font-weight:700}.sampling-3d-playback select{color:var(--lab-ink);background:0 0;border:0;font-size:11px;font-weight:750}.sampling-3d-playback>strong{min-width:58px;color:var(--lab-muted);text-align:right;font-size:10px}.sampling-3d-progress{background:#dfe8e4;border-radius:99px;height:5px;margin:0 16px;position:relative}.sampling-3d-progress>span{border-radius:inherit;background:linear-gradient(90deg, var(--lab-mint), var(--lab-blue));position:absolute;inset:0 auto 0 0}.sampling-3d-progress button{cursor:pointer;background:#bcc9c6;border:3px solid #fff;border-radius:50%;width:14px;height:14px;padding:0;position:absolute;top:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 1px #17323824}.sampling-3d-progress button.is-active{background:var(--lab-blue)}.sampling-3d-detail-grid{grid-template-columns:minmax(0,1.45fr) minmax(320px,.55fr);gap:14px;margin-top:14px;display:grid}.sampling-3d-card{border:1px solid var(--lab-line);background:#fffdf9eb;border-radius:15px;box-shadow:0 12px 38px #4c37200f}.sampling-3d-card-heading{border-bottom:1px solid var(--lab-line);justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;display:flex}.sampling-3d-card-heading span{color:var(--lab-ink);font-size:15px;font-weight:780}.sampling-3d-card-heading b{color:var(--lab-mint);background:var(--lab-mint-soft);border-radius:999px;padding:5px 9px;font-size:9px}.sampling-3d-card--steps ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0;padding:8px 20px 18px;list-style:none;display:grid}.sampling-3d-card--steps li{border-bottom:1px dashed #264c4d21;grid-template-columns:35px minmax(0,1fr);align-items:flex-start;gap:9px;min-width:0;padding:13px 12px 13px 0;display:grid}.sampling-3d-card--steps li:nth-child(odd){border-right:1px dashed #264c4d21;margin-right:15px}.sampling-3d-card--steps li>span{width:31px;height:31px;color:var(--lab-mint);background:var(--lab-mint-soft);border-radius:50%;place-items:center;font-size:9px;font-weight:800;display:grid}.sampling-3d-card--steps p{color:#49625f;gap:4px;margin:0;font-size:11px;line-height:1.65;display:grid}.sampling-3d-card--steps p small{color:var(--lab-mint);font-size:9px;font-weight:700}.sampling-3d-side-cards{align-content:start;gap:10px;display:grid}.sampling-3d-card--amount,.sampling-3d-card--warning{gap:10px;padding:18px;display:grid}.sampling-3d-card--amount>span,.sampling-3d-card--warning>span{color:var(--lab-mint);align-items:center;gap:7px;font-size:10px;font-weight:780;display:inline-flex}.sampling-3d-card--amount svg,.sampling-3d-card--warning svg{width:16px;height:16px}.sampling-3d-card--amount strong{color:var(--lab-ink);font-size:20px;line-height:1.4}.sampling-3d-card--amount small,.sampling-3d-card--warning small{color:#7f9191;font-size:9px;line-height:1.55}.sampling-3d-card--warning{background:#fff8ebeb;border-color:#c7712f3b}.sampling-3d-card--warning>span{color:#a05f24}.sampling-3d-card--warning p{color:#77543c;margin:0;font-size:11px;line-height:1.7}.sampling-3d-text-link{border:1px solid var(--lab-line);min-height:50px;color:var(--lab-mint);background:#fffdf9eb;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:0 17px;font-size:11px;font-weight:750;display:flex}.sampling-3d-text-link svg{width:16px;height:16px}.sampling-3d-footer{color:#758687;justify-content:space-between;align-items:center;gap:24px;width:min(1480px,100vw - 44px);margin:0 auto;padding:0 8px 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