/* Standalone page styles: other product and legal pages are not affected. */
:root{color-scheme:light;--ink:#25332f;--muted:#5a6862;--red:#bd3048;--green:#18765c;--green-soft:#eef6f1;--yellow:#855d08;--yellow-soft:#fff7df;--paper:#f7f8fa;--line:#dfe5e1}
*{box-sizing:border-box}
html{scroll-padding-top:100px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:break-word}
img{display:block;max-width:100%;height:auto}
a{color:var(--green);text-underline-offset:4px;text-decoration-thickness:1px}a:hover{color:var(--red)}
:focus-visible{outline:3px solid var(--yellow);outline-offset:5px;border-radius:5px}
h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:650}
h1{font-size:clamp(36px,3.9vw,58px);line-height:1.34;letter-spacing:-1.7px}
h2{font-size:clamp(29px,3.1vw,43px);line-height:1.4;letter-spacing:-1.1px}
h3{font-size:20px;line-height:1.5;letter-spacing:-.3px}
.page-width{width:min(1180px,calc(100% - 64px));margin-inline:auto}
.red-text{color:var(--red)}.green-text{color:var(--green)}
.eyebrow,.label-code,.figure-index{font-size:11px;font-weight:650;letter-spacing:1.7px;line-height:1.6}
.eyebrow{margin-bottom:22px;color:var(--green)}.label-code{display:block;margin-bottom:8px}.figure-index{color:#6a776f}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;z-index:30;left:20px;top:-100px;padding:10px 18px;background:white;border:2px solid var(--green)}.skip-link:focus{top:12px}
.site-header{position:sticky;z-index:20;top:0;background:rgba(247,248,250,.97);border-bottom:1px solid var(--line)}
.navigation{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px;color:var(--ink);text-decoration:none;font-weight:700;font-size:20px;letter-spacing:-.4px;line-height:1.3}
.brand img{border-radius:11px}.brand-detail{display:inline-block;font-size:12px;color:var(--muted);font-weight:400;border-left:1px solid #ccd4ce;letter-spacing:0;padding-left:15px;margin-left:16px}
.nav-links{display:flex;gap:30px;align-items:center}.nav-links a{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;min-width:44px;font-size:13px;text-decoration:none;color:var(--ink)}.nav-links a:hover{color:var(--red)}
.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:58px;align-items:center;padding-block:68px 58px}
.hero .eyebrow{display:flex;align-items:center;gap:9px;font-size:10px;letter-spacing:1.4px;margin-bottom:25px}.dot{width:6px;height:6px;background:var(--green);border-radius:50%;flex:none}
.hero-intro{font-size:17px;line-height:1.9;color:var(--muted);margin-block:25px 29px}
.button{display:inline-flex;justify-content:center;align-items:center;gap:30px;min-height:50px;padding:11px 23px;border:1px solid var(--line);border-radius:13px;font-size:14px;font-weight:600;text-decoration:none;transition:transform .16s ease,background .16s ease}
.button.primary{background:var(--red);border-color:var(--red);color:white}.button.primary:hover{background:#a9283e}.button:active{transform:translateY(1px)}
.hero-boundary{font-size:12px;line-height:1.85;color:var(--muted);margin-top:23px}.hero-boundary>span{font-size:17px;color:var(--yellow);vertical-align:-1px;margin-right:5px}
.placement-figure{min-width:0;background:white;border:1px solid #e4e6df;border-radius:24px;overflow:hidden;box-shadow:0 15px 40px #334a3810}.figure-heading{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:17px 22px;font-size:12px;font-weight:600}
.placement-image{width:100%;aspect-ratio:4/3;object-fit:cover}.placement-figure figcaption{padding:20px 22px 22px}.placement-figure figcaption strong{display:block;font-size:14px;font-weight:600}.placement-figure figcaption>span{display:block;font-size:11px;line-height:1.7;color:var(--muted);margin-top:6px}
.measurement-strip{display:grid;grid-template-columns:1fr 1fr 1fr 1.25fr;border-block:1px solid var(--line);padding-block:26px}.measurement-strip>div{padding-left:32px;border-left:1px solid var(--line)}.measurement-strip>div:first-child{padding-left:0;border:0}.strip-title{font-size:12px;color:var(--muted);margin-bottom:4px}.strip-value{font-size:35px;font-weight:600;line-height:1.5;letter-spacing:-1.2px;font-variant-numeric:tabular-nums}.strip-value span{font-size:14px;font-weight:400;letter-spacing:0}.strip-detail{font-size:11px;color:var(--muted);margin-top:2px}.strip-note .strip-value{font-size:19px;letter-spacing:0;line-height:2.77}.strip-note .strip-value span{color:var(--green);margin-left:12px;font-size:21px}
.chapter-nav{display:flex;justify-content:space-between;gap:16px;padding-block:19px;border-bottom:1px solid var(--line)}.chapter-nav a{display:flex;align-items:center;gap:12px;min-height:44px;text-decoration:none;font-size:13px;color:var(--ink)}.chapter-nav a>span{font-size:11px;color:#617069;font-variant-numeric:tabular-nums}.chapter-nav a:hover{color:var(--red)}
.section{padding-block:85px}.section-heading{display:grid;grid-template-columns:1.1fr 1fr;align-items:end;gap:85px;margin-bottom:38px}.section-heading>p{color:var(--muted);font-size:15px;max-width:440px;padding-bottom:5px}.section-heading .eyebrow{margin-bottom:17px}
.signal-panel{border:1px solid var(--line);border-radius:20px;background:white;padding:0 28px;overflow:hidden}.panel-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:19px;border-bottom:1px solid var(--line);font-size:12px;font-weight:600}.tag{padding:3px 9px;border-radius:5px;background:var(--paper);color:var(--muted);font-size:10px;font-weight:400}
.signal-row{display:grid;grid-template-columns:245px 1fr;align-items:center;gap:32px;min-height:148px}.signal-row h3{font-size:16px;margin-bottom:5px}.signal-label p{font-size:11px;color:var(--muted)}.signal-label .label-code{font-size:9px;letter-spacing:1.4px}.signal-row img{width:100%;height:112px}.raw-row .label-code{color:#75817a}.split-caption{display:flex;align-items:center;justify-content:space-between;border-block:1px dashed var(--line);padding:7px 15px;color:var(--muted);font-size:10px}.split-caption>span{color:var(--green);font-size:17px}.breathing-row{border-top:1px solid #edf0ed}.figure-note{font-size:11px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-block:16px 20px}
.definition-pair{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:24px 4px 0;color:var(--muted);font-size:12px}.definition-pair strong{display:block;color:var(--ink);font-size:13px;margin-bottom:5px}
.processing-band{background:var(--green-soft);border-block:1px solid #dfeae3}.pipeline{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;margin:47px 0 35px;padding:0;gap:30px}.pipeline li{border-top:1px solid #bccfc1;padding-top:21px}.step-number{display:block;color:var(--green);font-size:13px;font-weight:600;margin-bottom:21px;font-variant-numeric:tabular-nums}.pipeline h3{font-size:18px}.pipeline p{font-size:13px;margin-top:13px;color:var(--muted)}.step-detail{display:block;font-size:11px;color:var(--green);margin-top:20px}
.inline-warning{display:flex;align-items:center;gap:17px;padding:20px 22px;background:#fffaf0;border:1px solid #e9ddbd;border-radius:12px;font-size:12px;color:#675626}.inline-warning strong{font-weight:600}.warning-symbol{display:inline-flex;align-items:center;justify-content:center;flex:none;width:26px;height:26px;color:var(--yellow);border:1.5px solid #b89444;border-radius:50%;font-weight:650;font-size:14px}
.app-section{display:grid;grid-template-columns:.85fr 1.25fr;gap:65px;align-items:center}.app-copy>p:not(.eyebrow){color:var(--muted);margin-top:22px;font-size:14px}.app-copy .small-note{font-size:11px!important;line-height:1.85;background:white;border-left:2px solid #bfcfc4;padding:12px 15px}.app-features{padding:0;list-style:none;margin:29px 0 0}.app-features li{display:flex;gap:17px;border-top:1px solid var(--line);padding-block:17px}.app-features li>span{font-size:11px;color:var(--green);padding-top:3px}.app-features strong{font-size:14px;font-weight:600}.app-features p{font-size:12px;color:var(--muted);margin-top:3px}
.screenshots{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:start;min-width:0;padding:26px 22px;border-radius:24px;background:#ecefe9}.screen-figure{min-width:0}.source-screen{margin-top:47px}.screen-figure a{display:block;overflow:hidden;border:5px solid #35463f;border-radius:25px;background:#35463f;box-shadow:0 12px 26px #25382c12;transition:transform .2s ease}.screen-figure a:hover{transform:translateY(-3px)}.screen-figure img{width:100%;height:auto}.screen-figure figcaption{padding-top:16px}.screen-figure strong{display:block;font-size:13px;font-weight:600;margin-top:5px}.screen-figure figcaption>span:last-child{display:block;font-size:10px;color:var(--muted);margin-top:3px}.screen-figure .figure-index{font-size:9px}
.research-band{background:white;border-block:1px solid var(--line)}.publication{display:grid;grid-template-columns:210px 1fr;border:1px solid #d4e0d8;border-radius:19px;overflow:hidden;margin-top:43px}.publication-mark{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:32px;background:var(--green-soft);color:#24624b}.publication-mark span{font-size:11px;letter-spacing:2px}.publication-mark strong{font-size:45px;font-weight:500;letter-spacing:-1.8px;line-height:1.4;margin-top:35px}.publication-mark span:last-child{letter-spacing:1px}.publication-line{width:100%;height:1px;background:#bbd0c2;margin-block:29px}.publication-copy{padding:31px 38px}.publication-copy h3{font-size:22px;font-weight:550;line-height:1.45;letter-spacing:-.3px;max-width:730px}.publication-copy .label-code{font-size:10px;margin-bottom:13px}.citation{font-size:11px;color:var(--muted);line-height:1.9;margin-top:17px}.publication-links{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:22px}.publication-links .button{font-size:12px;min-height:46px;padding:10px 16px;gap:25px}.text-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:13px;font-weight:550}
.research-summary{margin-block:22px 31px;color:var(--muted);font-size:13px;max-width:990px}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;border-top:1px solid var(--line);padding-top:28px}.comparison-grid>article+article{border-left:1px solid var(--line);padding-left:38px}.comparison-grid .label-code{color:var(--green);font-size:10px}.comparison-grid .red-text{color:var(--red)}.comparison-grid h3{font-size:20px}.comparison-grid ul{padding-left:18px;margin-block:14px 0;color:var(--muted);font-size:13px}.comparison-grid li{padding:4px 0 4px 3px}.research-footnote{font-size:11px;color:var(--muted);margin-top:32px;border-top:1px solid var(--line);padding-top:17px}
.limits-section{display:grid;grid-template-columns:1fr 1.1fr;gap:83px}.safety-note{display:flex;align-items:flex-start;gap:15px;background:var(--yellow-soft);border:1px solid #ecdfb9;border-radius:13px;padding:21px;margin-top:28px;color:#6c541d;font-size:12px}.safety-note strong{font-size:13px;font-weight:600}.safety-note p{margin-top:7px}.faq{padding-top:8px}.faq details{border-bottom:1px solid var(--line);padding-block:2px}.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;font-size:14px;min-height:70px;padding-block:16px;list-style:none;font-weight:550}.faq summary::-webkit-details-marker{display:none}.faq summary>span{font-weight:400;font-size:23px;line-height:1;transition:transform .16s ease;color:var(--green)}.faq details[open] summary>span{transform:rotate(45deg)}.faq details>p{font-size:13px;color:var(--muted);padding:0 26px 22px 0}
.english-section{padding-block:42px 58px;border-top:1px solid var(--line)}.english-section .eyebrow{font-size:10px;margin-bottom:13px}.english-section h2{font-size:25px;letter-spacing:-.5px}.english-columns{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:20px}.english-columns p{font-size:13px;line-height:1.9;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);padding-block:27px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:25px}.footer-top .brand{font-size:19px}.footer-top p{font-size:12px;color:var(--muted)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:16px;font-size:10px;color:var(--muted)}.footer-bottom nav{display:flex;gap:21px;flex-wrap:wrap}.footer-bottom a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);text-decoration:none}
@media(min-width:1500px){.hero{padding-top:82px}}
@media(max-width:1050px){.hero{gap:30px}.hero-intro{font-size:15px}.hero h1{font-size:clamp(35px,4.2vw,47px)}.brand-detail{display:none}.section-heading{gap:40px}.measurement-strip>div{padding-left:20px}.strip-note .strip-value{font-size:16px}.app-section{gap:32px;grid-template-columns:.85fr 1.2fr}.screenshots{gap:17px;padding:22px 15px}.limits-section{gap:45px}.pipeline{gap:21px}.pipeline h3{font-size:16px}.signal-row{grid-template-columns:205px 1fr;gap:15px}.publication{grid-template-columns:160px 1fr}.publication-mark{padding:25px}.publication-copy{padding:28px}.footer-bottom{align-items:flex-start}}
@media(max-width:760px){html{scroll-padding-top:90px}.page-width{width:calc(100% - 40px)}.navigation{min-height:72px;gap:14px}.brand{font-size:18px;gap:10px}.brand img{width:33px;height:33px;border-radius:9px}.nav-links{gap:15px}.nav-links a{font-size:12px}.nav-links .desktop-link{display:none}.hero{grid-template-columns:1fr;gap:31px;padding-block:37px 31px}.hero h1{font-size:clamp(34px,7.4vw,48px);letter-spacing:-1.2px}.hero .eyebrow{font-size:9px;letter-spacing:1.15px;margin-bottom:20px}.hero-intro{font-size:15px;margin-block:19px 23px}.hero-boundary{font-size:11px;margin-top:19px}.button{min-height:48px}.placement-figure{border-radius:19px;box-shadow:0 8px 25px #334a3809}.figure-heading{padding:14px 18px;font-size:11px}.placement-figure figcaption{padding:16px 18px 18px}.placement-figure figcaption strong{font-size:13px}.placement-figure figcaption>span{font-size:10px}.measurement-strip{grid-template-columns:1fr 1fr;gap:18px 0;padding-block:23px}.measurement-strip>div{padding-left:18px}.measurement-strip>div:nth-child(3){border-left:0;padding-left:0}.strip-title{font-size:11px}.strip-value{font-size:31px}.strip-value span{font-size:12px}.strip-detail{font-size:10px}.strip-note .strip-value{font-size:16px;line-height:2.9}.chapter-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;padding-block:12px}.chapter-nav a{font-size:11px;gap:10px}.chapter-nav a>span{font-size:10px}.section{padding-block:47px}.section-heading{grid-template-columns:1fr;gap:18px;margin-bottom:26px}.section-heading>p{font-size:13px;max-width:none;padding:0}.section-heading .eyebrow,.app-copy .eyebrow{font-size:10px;margin-bottom:12px}h2{font-size:30px;letter-spacing:-.8px}.signal-panel{padding-inline:17px;border-radius:15px}.panel-top{font-size:11px;padding-block:15px}.tag{font-size:9px}.signal-row{grid-template-columns:1fr;gap:0;padding-block:18px 8px}.signal-row h3{font-size:15px}.signal-label .label-code{font-size:9px;margin-bottom:3px}.signal-label p{font-size:10px}.signal-row img{height:85px}.split-caption{font-size:9px;padding-inline:0}.figure-note{font-size:10px;padding-block:14px}.definition-pair{grid-template-columns:1fr;gap:15px;padding-top:21px;font-size:11px}.definition-pair strong{font-size:12px}.pipeline{grid-template-columns:1fr;gap:19px;margin-block:28px}.pipeline li{display:grid;grid-template-columns:35px 1fr;column-gap:12px;padding-top:18px}.pipeline .step-number{grid-column:1;grid-row:1/4;margin:2px 0 0;font-size:11px}.pipeline h3,.pipeline p,.pipeline .step-detail{grid-column:2}.pipeline h3{font-size:16px}.pipeline p{font-size:12px;margin-top:7px}.step-detail{margin-top:8px;font-size:10px}.inline-warning{padding:16px;align-items:flex-start;gap:12px;font-size:11px}.app-section{grid-template-columns:1fr;gap:25px}.app-copy>p:not(.eyebrow){font-size:13px;margin-top:18px}.app-copy .small-note{font-size:10px!important}.app-features{margin-top:22px}.app-features li{padding-block:14px}.screenshots{gap:16px;padding:24px 15px;border-radius:18px}.source-screen{margin-top:30px}.screen-figure a{border-width:3px;border-radius:17px}.screen-figure figcaption{padding-top:12px}.screen-figure strong{font-size:11px}.screen-figure .figure-index{font-size:8px}.screen-figure figcaption>span:last-child{font-size:9px}.publication{grid-template-columns:1fr;border-radius:15px;margin-top:28px}.publication-mark{flex-direction:row;align-items:center;justify-content:space-between;gap:12px;padding:17px 20px}.publication-mark span{font-size:9px;letter-spacing:1px}.publication-mark strong{font-size:25px;letter-spacing:-1px;margin:0}.publication-mark span:last-child,.publication-line{display:none}.publication-copy{padding:21px}.publication-copy h3{font-size:20px}.publication-copy .label-code{font-size:9px}.citation{font-size:10px}.publication-links{gap:12px 20px;margin-top:19px}.publication-links .button,.publication-links .text-link{font-size:11px}.research-summary{font-size:12px;margin-block:21px}.comparison-grid{grid-template-columns:1fr;gap:24px;padding-top:24px}.comparison-grid>article+article{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:24px}.comparison-grid h3{font-size:18px}.comparison-grid ul{font-size:12px}.research-footnote{font-size:10px;margin-top:23px}.limits-section{grid-template-columns:1fr;gap:25px}.limits-section .eyebrow{font-size:9px;margin-bottom:12px}.safety-note{font-size:11px;padding:18px;gap:12px;margin-top:22px}.safety-note strong{font-size:12px}.faq{padding-top:0}.faq summary{font-size:13px;min-height:64px}.faq details>p{font-size:12px}.english-section{padding-block:29px 36px}.english-section h2{font-size:22px}.english-columns{grid-template-columns:1fr;gap:15px;margin-top:17px}.english-columns p{font-size:12px}.footer-top{flex-wrap:wrap;gap:14px;padding-bottom:20px}.footer-top .brand{font-size:17px}.footer-top p{order:3;width:100%;font-size:11px}.footer-top>.text-link{font-size:12px}.footer-bottom{flex-direction:column;gap:10px;font-size:10px}.footer-bottom nav{gap:2px 20px}.site-footer{padding-block:23px}}
@media(max-width:360px){.page-width{width:calc(100% - 32px)}.hero h1{font-size:31px}.hero .eyebrow{font-size:8px;letter-spacing:.8px}.nav-links{gap:9px}.screenshots{grid-template-columns:1fr;padding:27px 35px;gap:28px}.source-screen{margin-top:0}.screen-figure strong{font-size:13px}.screen-figure a{border-radius:23px}.strip-note .strip-value{font-size:14px}.signal-row img{height:75px}.panel-top{gap:5px}}
/* Keep body copy and safety notes legible on compact screens. */
@media(max-width:760px){.section-heading>p,.pipeline p,.app-copy>p:not(.eyebrow),.app-features p,.research-summary,.comparison-grid ul,.faq details>p,.english-columns p{font-size:14px}.hero-boundary,.placement-figure figcaption>span,.figure-note,.signal-label p,.definition-pair,.inline-warning,.safety-note,.citation,.research-footnote,.strip-detail{font-size:12px}.app-copy .small-note{font-size:12px!important}.faq summary{font-size:14px}.screen-figure strong{font-size:12px}.screen-figure figcaption>span:last-child{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important}}
@media print{.site-header{position:static}.chapter-nav,.nav-links{display:none}.page-width{width:100%}.section{padding-block:24px}.button{background:white!important;color:var(--ink)!important}.screen-figure a{border:1px solid #ccc;box-shadow:none}.faq details>p{display:block}.footer-bottom nav{display:none}body{font-size:12px}}