:root{color-scheme:light;--ink:#20231f;--muted:#696d65;--paper:#fafbf8;--accent:#d9ef82;--line:#daddd6;--dark:#191b19;--gutter:64px;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none;letter-spacing:0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #809837;outline-offset:5px}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;letter-spacing:0}h2{font-size:44px;line-height:1.25}h3{font-size:24px;line-height:1.4}.section-wrap{width:min(1440px,100%);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100px;left:20px;z-index:100;background:var(--accent);padding:12px 20px}.skip-link:focus{top:8px}.prototype-label{height:30px;display:flex;align-items:center;justify-content:center;gap:8px;background:#2e332a;color:#d3dac7;font-size:11px}.prototype-divider{opacity:.4;margin:0 3px}.status-dot{width:6px;height:6px;background:#bad875;border-radius:50%;display:inline-block;flex:none}.site-header{height:84px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--dark);color:#f4f6ee}.brand{display:inline-flex;align-items:center;gap:12px;font-size:16px;white-space:nowrap;font-weight:600}.brand-mark{font-size:31px;line-height:1;font-weight:700;letter-spacing:0}.site-nav{display:flex;align-items:center;gap:32px;font-size:13px}.site-nav>a{padding:9px 0;color:#d6d9d1;transition:color .15s}.site-nav>a:hover{color:var(--accent)}.site-nav .nav-account{border-left:1px solid #484c43;padding-left:28px;color:var(--accent)}.nav-account span{margin-left:13px}.menu-toggle{display:none}.hero{height:min(750px,calc(100svh - 190px));min-height:600px;position:relative;background:#697c7c;isolation:isolate;overflow:hidden;color:#fff}.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 48%;z-index:-1}.hero-copy{position:absolute;bottom:105px;left:max(var(--gutter),calc((100% - 1312px)/2));max-width:610px}.eyebrow,.section-kicker{font-size:11px;font-weight:600;line-height:1.5}.eyebrow{margin-bottom:24px;color:#f1f4eb}.hero h1{font-size:94px;line-height:.98;font-weight:500;text-shadow:0 1px 18px #1d28212b}.title-dot{color:var(--accent)}.hero-description{font-size:27px;line-height:1.5;margin-top:26px;font-weight:500}.hero-subtitle{font-size:14px;line-height:1.65;margin-top:7px;color:#f4f5ed}.hero-actions{display:flex;align-items:center;gap:29px;margin-top:30px}.button{min-height:49px;padding:12px 22px;display:inline-flex;align-items:center;justify-content:space-between;gap:44px;font-size:13px;font-weight:600;border:1px solid transparent;border-radius:2px;transition:background .15s,color .15s}.button-accent{background:var(--accent);color:#23281a}.button-accent:hover{background:#e9f6b6}.button-dark{background:var(--ink);color:#fff}.button-dark:hover{background:#3b4236}.hero-more{font-size:13px;padding:10px 0;border-bottom:1px solid #ffffff70}.hero-more span{margin-left:16px}.hero-more:hover{color:var(--accent)}.image-credit{position:absolute;right:30px;bottom:24px;font-size:10px;color:white;background:#20231fc4;padding:4px 9px;border-radius:2px}.hero-index{position:absolute;bottom:26px;left:max(var(--gutter),calc((100% - 1312px)/2));display:flex;gap:33px;color:#e4e8dd;font-size:9px}.hero-index span+span{color:#bdc5b9}.intro{padding-top:64px;padding-bottom:86px}.intro .section-kicker{color:var(--muted);margin-bottom:27px}.intro-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:100px;align-items:end}.intro-copy{max-width:410px}.intro-copy p{color:var(--muted);font-size:15px;line-height:1.9}.text-link{display:inline-flex;gap:35px;font-size:13px;align-items:center;border-bottom:1px solid currentColor;padding:5px 0 8px}.text-link:hover{color:#687d2e}.intro-copy .text-link{margin-top:23px}.color-section{background:var(--dark);color:#f4f6ef;padding:74px 0 54px;scroll-margin-top:0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:36px}.section-heading .section-kicker{color:var(--muted);margin-bottom:18px}.color-section .section-kicker{color:#a8b29a}.section-heading>p{font-size:13px;color:var(--muted);line-height:1.9;padding-bottom:4px}.color-section .section-heading>p{color:#b2baab}.comparison-stage{position:relative;aspect-ratio:1672/780;overflow:hidden;background:#3d4742;--split:50%}.comparison-stage>img,.compare-treated,.compare-treated img{position:absolute;inset:0;width:100%;height:100%}.compare-original,.compare-treated img{object-fit:cover;object-position:center 52%}.compare-treated{clip-path:inset(0 0 0 var(--split))}.compare-treated img{filter:saturate(.68) contrast(1.11) brightness(1.05)}[data-look="soft"] .compare-treated img{filter:saturate(.58) contrast(.87) brightness(1.1)}[data-look="mono"] .compare-treated img{filter:grayscale(1) contrast(1.12)}.image-label{position:absolute;top:20px;padding:5px 10px;background:#171c18c9;font-size:10px;pointer-events:none;z-index:2;border-radius:2px}.label-original{left:20px}.label-treated{right:20px}.compare-divider{position:absolute;top:0;bottom:0;left:var(--split);width:1px;background:#fff;transform:translateX(-.5px);pointer-events:none;z-index:3}.compare-handle{display:flex;align-items:center;justify-content:center;position:absolute;left:0;top:50%;transform:translate(-50%,-50%);width:45px;height:45px;border-radius:50%;background:#f7f9f0;color:#23291c;box-shadow:0 2px 18px #0003;font-size:23px;white-space:pre}.comparison-range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:4}.comparison-stage:has(.comparison-range:focus-visible){outline:3px solid var(--accent);outline-offset:5px}.comparison-toolbar{min-height:77px;display:flex;align-items:center;gap:25px;justify-content:space-between;border-bottom:1px solid #3d4239}.look-options{padding:0;margin:0;border:0;display:flex;gap:4px}.look-options label{position:relative}.look-options input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0}.look-options span{display:block;padding:7px 20px;border:1px solid transparent;border-radius:2px;font-size:12px;color:#c0c6b9;cursor:pointer}.look-options input:checked+span{color:var(--accent);border-color:#68744c;background:#2c3225}.look-options label:hover span{color:var(--accent)}.look-options input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}.comparison-toolbar p{font-size:11px;color:#a4ad99;margin-left:auto}.comparison-toolbar output{font-size:11px;color:#e0e6d8;min-width:50px;text-align:right}.workflow{padding-top:90px;padding-bottom:74px}.workflow .section-heading{margin-bottom:50px}.workflow-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}.workflow-steps article{border-top:1px solid var(--line);padding-top:21px}.step-number{font-size:12px;color:#838c77;display:block;margin-bottom:32px}.workflow-steps h3{margin-bottom:16px}.workflow-steps p{font-size:14px;line-height:1.9;color:var(--muted);max-width:330px}.step-detail{font-size:10px;display:block;margin-top:29px;color:#868e7c}.workflow-footnote{display:flex;align-items:baseline;gap:9px;margin-top:51px;padding-top:19px;border-top:1px solid var(--line);color:#7c8274;font-size:11px;line-height:1.8}.access-section{background:#edf1e7;padding:79px 0 82px}.access-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:100px}.access-section .section-kicker{color:#7d876e;margin-bottom:23px}.access-section h2{font-size:48px}.access-description{color:#626c56;margin-top:22px;font-size:14px;line-height:1.9}.access-section .button{margin-top:26px}.access-list{margin:0;padding-top:8px}.access-list>div{border-top:1px solid #ccd4c0;padding:23px 0 25px}.access-list>div:last-child{padding-bottom:0}.access-list dt{font-size:17px;line-height:1.5;display:flex;align-items:center;gap:25px}.access-list dt span{font-size:10px;color:#8a9678}.access-list dd{margin:11px 0 0 39px;color:#69745d;font-size:13px;line-height:1.8;max-width:370px}.help-section{padding-top:86px;padding-bottom:90px}.help-section .section-heading{margin-bottom:36px}.help-section h2{font-size:34px}.help-section details{border-top:1px solid var(--line)}.help-section details:last-child{border-bottom:1px solid var(--line)}.help-section summary{display:flex;justify-content:space-between;align-items:center;gap:24px;cursor:pointer;list-style:none;padding:22px 0;font-size:14px}.help-section summary::-webkit-details-marker{display:none}.help-section summary span{font-size:23px;font-weight:400;line-height:1;color:#7c8671;transition:transform .15s}.help-section details[open] summary span{transform:rotate(45deg)}.help-section details p{font-size:13px;color:var(--muted);line-height:1.9;max-width:880px;padding:0 40px 23px 0}.closing-band{background:var(--dark);color:white;padding:49px 0}.closing-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.closing-inner>p{font-size:30px;line-height:1.45}.site-footer{padding-top:48px;padding-bottom:30px;display:grid;grid-template-columns:1fr auto;gap:32px}.site-footer .brand{font-size:14px}.site-footer .brand-mark{font-size:28px}.site-footer nav{display:flex;gap:27px;font-size:12px;align-items:center;color:#626b58}.site-footer nav a:hover{color:#2a3d0c}.site-footer>p,.footer-edition{font-size:10px;color:#8c9484}.footer-edition{text-align:right}
.workbench-figure{margin:0 0 42px}.workbench-figure>a{display:block;border:1px solid #333a2d;background:#242624}.workbench-figure img{width:100%;height:auto;aspect-ratio:1480/940}.workbench-figure figcaption{display:flex;justify-content:space-between;gap:20px;align-items:baseline;font-size:10px;color:var(--muted);padding-top:13px}.workbench-figure figcaption a{white-space:nowrap}.workbench-figure figcaption a:hover{color:#384916}
@media(min-width:1800px){.hero-photo{object-position:center 44%}.hero-copy{bottom:118px}}
@media(max-width:1100px){:root{--gutter:40px}.site-header{padding:0 30px}.site-nav{gap:22px}.site-nav .nav-account{padding-left:21px}.hero h1{font-size:84px}.hero-copy{max-width:530px}.intro-layout,.access-layout{gap:60px}.workflow-steps{gap:28px}h2{font-size:39px}.comparison-stage{aspect-ratio:16/9}}
@media(max-width:760px){:root{--gutter:24px}.prototype-label{height:28px;font-size:10px}.site-header{height:68px;padding:0 24px;position:relative;z-index:10}.brand{font-size:13px;gap:9px}.brand-mark{font-size:28px}.menu-toggle{display:flex;align-items:center;justify-content:center;width:38px;height:38px;color:white;background:none;border:1px solid #4f5847;border-radius:2px}.menu-symbol,.menu-symbol:before,.menu-symbol:after{display:block;width:16px;height:1px;background:currentColor;position:relative}.menu-symbol:before,.menu-symbol:after{content:"";position:absolute;left:0}.menu-symbol:before{top:-5px}.menu-symbol:after{top:5px}.menu-toggle[aria-expanded="true"] .menu-symbol{background:transparent}.menu-toggle[aria-expanded="true"] .menu-symbol:before{top:0;transform:rotate(45deg)}.menu-toggle[aria-expanded="true"] .menu-symbol:after{top:0;transform:rotate(-45deg)}.site-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--dark);padding:12px 24px 24px;box-shadow:0 14px 20px #0003}.site-nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}.site-nav>a{padding:13px 0;border-bottom:1px solid #363d30;font-size:14px}.site-nav .nav-account{padding-left:0;border-left:0}.hero{height:calc(100svh - 170px);min-height:580px;max-height:720px}.hero-photo{object-position:62% center}.hero-copy{left:24px;bottom:86px;max-width:calc(100% - 48px)}.hero h1{font-size:58px;line-height:1.03}.eyebrow{font-size:10px;margin-bottom:18px}.hero-description{font-size:22px;margin-top:22px}.hero-subtitle{font-size:12px;max-width:260px}.hero-actions{gap:25px;margin-top:24px}.button{min-height:46px;padding:11px 17px;gap:30px;font-size:12px}.hero-more{font-size:12px}.hero-more span{margin-left:5px}.hero-index{left:24px;bottom:24px;font-size:8px;gap:0}.hero-index span+span{display:none}.image-credit{right:17px;bottom:20px;font-size:8px;padding:4px 6px}.intro{padding-top:39px;padding-bottom:51px}.intro .section-kicker{margin-bottom:20px;font-size:10px}.intro-layout{grid-template-columns:1fr;gap:24px}h2{font-size:32px}.intro-copy{max-width:100%}.intro-copy p{font-size:13px;line-height:1.95}.intro-copy .text-link{margin-top:17px}.text-link{font-size:12px;gap:25px}.section-heading{display:block;margin-bottom:25px}.section-heading .section-kicker{font-size:9px;margin-bottom:16px}.section-heading>p{font-size:12px;margin-top:18px}.section-heading>p br{display:none}.color-section{padding:43px 0 27px}.color-section h2{font-size:29px}.comparison-stage{aspect-ratio:4/5}.compare-original,.compare-treated img{object-position:62% center}.image-label{top:12px;padding:4px 7px;font-size:9px}.label-original{left:12px}.label-treated{right:12px}.compare-handle{width:37px;height:37px;font-size:19px}.comparison-toolbar{flex-wrap:wrap;gap:12px;padding:17px 0 14px;min-height:103px}.look-options span{padding:5px 16px;font-size:11px}.comparison-toolbar p{order:3;width:100%;margin:0;font-size:9px}.comparison-toolbar output{margin-left:auto;font-size:10px}.workflow{padding-top:49px;padding-bottom:44px}.workflow .section-heading{margin-bottom:27px}.workflow-steps{grid-template-columns:1fr;gap:25px}.workflow-steps article{display:grid;grid-template-columns:30px 1fr;column-gap:13px;padding-top:18px}.step-number{grid-row:1/4;margin-top:4px;margin-bottom:0;font-size:11px}.workflow-steps h3{font-size:21px;margin-bottom:10px}.workflow-steps p{font-size:13px;max-width:none}.step-detail{font-size:9px;margin-top:16px}.workflow-footnote{margin-top:28px;padding-top:18px;font-size:10px}.access-section{padding:47px 0}.access-layout{grid-template-columns:1fr;gap:35px}.access-section .section-kicker{font-size:9px;margin-bottom:19px}.access-section h2{font-size:38px}.access-description{margin-top:18px;font-size:13px}.access-list{padding:0}.access-list>div{padding:19px 0}.access-list dt{font-size:16px;gap:20px}.access-list dd{font-size:12px;margin-left:34px}.help-section{padding-top:48px;padding-bottom:49px}.help-section h2{font-size:27px}.help-section .section-heading{margin-bottom:24px}.help-section .section-heading .text-link{margin-top:20px}.help-section summary{padding:19px 0;font-size:13px}.help-section details p{font-size:12px;padding-right:12px}.closing-band{padding:34px 0}.closing-inner{align-items:start;flex-direction:column;gap:25px}.closing-inner>p{font-size:27px}.site-footer{grid-template-columns:1fr;gap:24px;padding-top:35px;padding-bottom:27px}.site-footer .brand{font-size:13px}.site-footer nav{flex-wrap:wrap;gap:24px;font-size:11px}.site-footer>p,.footer-edition{font-size:9px}.footer-edition{text-align:left;margin-top:-15px}}
@media(max-width:370px){.hero h1{font-size:52px}.hero-actions{gap:18px}.hero-subtitle{max-width:240px}.brand{font-size:12px}.site-header{padding:0 20px}.look-options span{padding:5px 12px}.color-section h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.hero{min-height:min(600px,calc(100svh - 190px))}
@media(max-width:760px){.hero{min-height:min(580px,calc(100svh - 170px))}}