/* Homepage only. Keep product and tool pages on their existing styles. */
body.authentic-home{
  --a-paper:#fff;--a-ground:#f5f5f7;--a-ink:#1d1d1f;--a-muted:#65656b;--a-line:#dedee3;
  --a-accent:#ff8b46;--a-accent-hover:#e77735;--a-link:#a83e08;--a-gutter:clamp(20px,3.5vw,112px);--a-inset:clamp(28px,4vw,128px);--a-width:100%;
  --nav-h:56px;--nav-fs:13px;--brand-h:24px;--nav-gap:30px;--nav-gap2:30px;
  --wrap:100%;--wrap-pad:var(--a-gutter);background:var(--a-ground);color:var(--a-ink);
}
.authentic-home .wrap{max-width:calc(var(--a-width) + 2 * var(--a-gutter));padding-inline:var(--a-gutter)}
.authentic-home>nav{height:var(--nav-h)}
/* 产品面板的尺寸 2026-10-28 起收进 site.css，全站一个样子 */
.a-main{width:100%;margin-inline:auto;padding-inline:var(--a-gutter)}
.a-main section{position:relative;padding:var(--a-inset);scroll-margin-top:72px;margin-block:20px;border-radius:22px;background:var(--a-paper);overflow:hidden}
.a-main h1,.a-main h2,.a-main h3,.a-main p{margin:0;max-width:none}
.a-main h2{font-size:clamp(40px,4.6vw,112px);line-height:1.1;letter-spacing:-.045em;font-weight:600;text-wrap:balance}
.a-eyebrow{font-size:clamp(12px,.85vw,22px);line-height:1.5;font-weight:600;letter-spacing:.09em;color:var(--a-muted)}
.a-main h2+.a-description,.a-main .a-eyebrow+h2{margin-top:17px}
.a-description{font-size:clamp(17px,1.3vw,30px);line-height:1.6;color:var(--a-muted);text-wrap:pretty}
.a-button,.a-text-link,.a-media-control{font-family:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
.a-button{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:44px;border-radius:999px;padding:11px 22px;background:var(--a-accent);color:#211206;border:1px solid transparent;font-size:14px;font-weight:600;line-height:1.4;white-space:nowrap;transition:background .18s ease}
.a-button:hover{background:var(--a-accent-hover)}
.a-button-light{background:var(--a-ground);color:var(--a-ink);border-color:var(--a-line)}
.a-button-light:hover{background:#e8e8ed}
.a-text-link{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:8px 0;border:0;background:none;font-size:14px;font-weight:500;color:var(--a-link);text-decoration:none}
.a-text-link:hover{text-decoration:underline;text-underline-offset:5px}
.a-main :focus-visible{outline:3px solid var(--a-accent);outline-offset:5px}
.a-actions{display:flex;align-items:center;justify-content:center;gap:25px;flex-wrap:wrap}
.a-main #hero.a-hero{height:calc(100svh - var(--nav-h) - 28px);min-height:610px;padding:clamp(20px,2.5vh,48px) 0 10px;margin-top:12px;margin-bottom:20px;text-align:center;display:flex;flex-direction:column;overflow:hidden}
.a-hero-copy{position:absolute;left:var(--a-inset);top:16%;z-index:1;text-align:left;width:27%;max-width:600px}
.a-hero h1{font-size:clamp(62px,6vw,144px);line-height:1;letter-spacing:-.06em;font-weight:700;margin-top:5px}
.a-hero .a-tagline{font-size:clamp(22px,2.2vw,48px);line-height:1.3;font-weight:500;letter-spacing:-.03em;margin-top:9px;text-wrap:balance}
.a-hero .a-hero-description{font-size:clamp(15px,.95vw,23px);line-height:1.6;color:var(--a-muted);margin-top:14px;text-wrap:balance}
.a-hero .a-actions{margin-top:22px;justify-content:flex-start;gap:18px}
.a-media{position:relative;width:100%;margin:0;isolation:isolate;overflow:visible;aspect-ratio:8/5}
.a-media>img,.a-media>picture,.a-media>picture>img,.a-media>video{display:block;width:100%;height:100%;max-width:none;object-fit:contain;object-position:center;transform:none;border-radius:0}
.a-media>video{position:absolute;inset:0;opacity:0;pointer-events:none}
.a-media.has-frame>video{opacity:1}
.a-media-control{position:absolute;right:12px;bottom:12px;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid rgba(0,0,0,.08);background:rgba(245,245,247,.94);color:var(--a-ink);font-size:12px;z-index:2}
.a-media-control:hover{background:#e8e8ed}
.a-media-control [data-media-icon]{display:grid;place-items:center;width:14px;height:14px}
.a-media-control svg{width:100%;height:100%;display:block}
.a-main .a-hero-media{position:absolute;inset:0 auto 0 10%;min-height:0;width:100%;height:100%;aspect-ratio:auto;margin:0;max-width:none}
.a-hero-media .a-media-control{right:calc(10% + 16px);bottom:16px}
.a-chapter{display:grid;grid-template-columns:1fr;gap:32px;min-height:0}
.a-chapter-copy{position:relative;z-index:1}
.a-chapter-copy>.a-description{max-width:23em;margin-top:20px}
.a-product-scene{min-width:0;align-self:center}
.a-product-scene>.a-media{aspect-ratio:8/5;height:auto;min-height:0}
.a-approval .a-chapter-copy{display:grid;grid-template-columns:1.1fr .9fr;column-gap:7%;align-items:end}
.a-approval .a-eyebrow{grid-column:1/-1}
.a-approval .a-description{padding-bottom:5px;max-width:21em}
.a-approval .a-product-scene{width:100%;margin-top:clamp(5px,2vw,40px)}
.a-approval .a-media{height:auto;aspect-ratio:8/5;max-height:clamp(420px,64svh,1400px);overflow:hidden}
.a-approval .a-media>img,.a-approval .a-media>video{object-fit:cover;object-position:center 44%}
.a-screen-inset{margin-top:38px;border-radius:12px;overflow:hidden;aspect-ratio:var(--media-ratio,12/5);background:var(--a-paper);border:1px solid var(--a-line);box-shadow:0 12px 28px -14px rgba(0,0,0,.18);max-width:400px}
.a-screen-inset>.a-media-control{width:30px;height:30px;right:7px;bottom:7px}
.a-main .a-voice{grid-template-columns:1.65fr 1fr;gap:0;background:var(--a-paper);padding:clamp(22px,3vw,80px) var(--a-inset) clamp(20px,2vw,60px) 0;min-height:clamp(590px,86svh,1350px)}
.a-voice .a-product-scene{order:0}
.a-voice .a-chapter-copy{order:1;margin-left:-2%;align-self:center;padding-bottom:8%}
.a-voice .a-media{height:clamp(490px,76svh,1250px);aspect-ratio:auto}
.a-voice .a-media>img,.a-voice .a-media>video{object-fit:contain}
.a-voice h2{font-size:clamp(42px,4.7vw,116px)}
.a-section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;position:relative;z-index:1}
.a-heading-note{padding-top:35px;max-width:24em}
.a-heading-note .a-replay{margin-top:12px}
.a-main .a-press{padding-bottom:clamp(28px,3vw,72px)}
.a-press-media{height:clamp(420px,65svh,1080px);aspect-ratio:auto;margin-top:clamp(24px,3vw,80px);overflow:hidden}
.a-press-media>img,.a-press-media>video{object-fit:cover;object-position:center 64%}
.a-press-steps{display:flex;justify-content:center;gap:48px;list-style:none;margin:12px 0 0;padding:0}
.a-press-steps li{font-size:clamp(14px,1.1vw,26px);font-weight:500;color:var(--a-ink);display:flex;gap:10px;align-items:center}
.a-press-steps li span{font-size:11px;letter-spacing:.05em;color:var(--a-muted)}
.a-main .a-structure{display:grid;grid-template-columns:.7fr 1.3fr;align-items:center;padding:28px var(--a-inset);background:var(--a-paper)}
.a-structure .a-section-heading{padding:0;align-items:flex-start;flex-direction:column;gap:28px}
.a-structure .a-description{max-width:33em}
.a-explode-view{position:relative;margin-top:0}
.a-explode-media{height:clamp(580px,86svh,1600px);aspect-ratio:auto;max-width:none;margin-inline:auto}
.a-explode-media>picture>img,.a-explode-media>video{object-fit:cover}
.a-explode-media canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.a-explode-media.has-canvas>img,.a-explode-media.has-canvas>picture{opacity:0}
.a-parts{grid-column:2;display:flex;justify-content:center;gap:26px;flex-wrap:wrap;list-style:none;padding:0;margin:15px 0 0;font-size:clamp(12px,.9vw,22px);color:var(--a-muted)}
.a-main .a-finish{display:grid;grid-template-columns:1.2fr .8fr;gap:3%;align-items:center;padding-block:clamp(28px,4vw,96px);min-height:570px}
.a-finish-photo{min-width:0;height:clamp(390px,66svh,1050px)}
.a-finish-photo>img{width:100%;height:100%;object-fit:contain}
.a-swatches{border:0;display:flex;gap:12px;margin-top:27px;padding:0}
.a-swatch{position:relative;display:grid;place-items:center;width:38px;height:38px;cursor:pointer;border-radius:50%}
.a-swatch input{position:absolute;opacity:0;inset:0;width:100%;height:100%;cursor:pointer;margin:0}
.a-swatch-dot{display:block;width:26px;height:26px;border-radius:50%;border:1px solid rgba(0,0,0,.16);pointer-events:none;background:var(--swatch)}
.a-swatch-clear{--swatch:#c7ceca}.a-swatch-white{--swatch:#f8f8f6}.a-swatch-black{--swatch:#28292d}.a-swatch-sky-blue{--swatch:#96c8df}
.a-swatch input:checked+.a-swatch-dot{outline:1.5px solid var(--a-ink);outline-offset:4px}
.a-swatch input:focus-visible+.a-swatch-dot{outline:3px solid var(--a-accent);outline-offset:4px}
.a-swatch input:focus-visible{outline:0}
.a-main .a-finish-name{font-size:13px;color:var(--a-muted);margin-top:11px;min-height:20px}
.a-finish-copy>.a-text-link{margin-top:16px}
.a-main .a-connect{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:25px;padding:42px 48px}
.a-connect h2{font-size:28px}
.a-connect h2+.a-description{margin-top:8px;font-size:15px}
.a-main .a-platform{font-size:12px;color:var(--a-muted);margin-top:9px}
.a-connect-actions{display:flex;flex-direction:column;align-items:center;gap:3px}
.a-main .a-notify{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;padding:42px 48px;background:none}
.a-notify h2{font-size:25px}
.a-notify h2+.a-description{margin-top:9px;font-size:14px}
.a-field{display:flex;gap:10px}
.a-field input{min-width:0;flex:1;border:1px solid #bdbdc5;border-radius:12px;padding:12px 14px;font-family:inherit;font-size:14px;line-height:1.5;background:var(--a-paper);color:var(--a-ink);height:46px}
.a-field input::placeholder{color:var(--a-muted)}
.a-field input[aria-invalid=true]{border-color:#b3261e}
.a-main .a-fine{font-size:11px;line-height:1.7;color:var(--a-muted);margin-top:10px}
.a-fine a{text-decoration:underline;text-underline-offset:3px}
.a-notify-form #formmsg{font-size:12px;line-height:1.6;margin-top:9px;min-height:19px}
.a-notify-form #formmsg.err{color:#b3261e}
.authentic-home>footer{padding:40px 0 30px;background:var(--a-ground);font-size:12px}
.authentic-home>footer .wrap{grid-template-columns:1fr 1.4fr;gap:32px 45px}
.authentic-home>footer .word{font-size:11px;letter-spacing:.12em;text-indent:0;text-align:left}
.authentic-home>footer .fcols{gap:38px;font-size:12px}
.authentic-home>footer .fcols b{font-size:12px}
.authentic-home>footer .fcols>div{gap:8px}
.authentic-home>footer .fqr img{width:85px;border-radius:8px}
.authentic-home>footer .fqr span,.authentic-home>footer .sp{font-size:10px}
@media(min-width:1800px){.a-button,.a-text-link{font-size:clamp(14px,.85vw,24px)}.a-media-control{width:44px;height:44px}.a-main section{margin-block:28px}}
@media(max-width:1100px){
 .a-main section{padding:40px 32px}.a-chapter{gap:22px}.a-approval .a-chapter-copy{grid-template-columns:1fr}.a-approval .a-description{margin-top:18px}.a-voice .a-media{height:500px}.a-main .a-voice{min-height:560px}
 .a-main .a-structure{grid-template-columns:.8fr 1.2fr}.a-explode-media{height:600px}.a-main .a-connect{padding:35px}.a-connect h2{font-size:25px}.a-main .a-notify{padding:35px 12px}
}
@media(max-width:760px){
 body.authentic-home{--a-gutter:12px;--nav-h:52px;--nav-gap:19px;--nav-gap2:18px;--nav-fs:12px}
 .a-main section{padding:34px 24px;border-radius:18px;margin-block:12px}.a-main h2{font-size:38px}.a-description{font-size:16px}.a-eyebrow{font-size:11px}
 .a-main #hero.a-hero{display:block;height:auto;min-height:0;padding:25px 0 12px;margin-top:10px}.a-hero-copy{position:relative;left:auto;top:auto;text-align:center;width:auto;max-width:none}.a-hero h1{font-size:68px}.a-hero .a-tagline{font-size:21px}.a-hero .a-actions{justify-content:center;gap:18px;margin-top:18px}
 .a-main .a-hero-media{position:relative;inset:auto;flex:none;height:auto;aspect-ratio:8/5;min-height:0;margin:24px 0 0;max-width:none}.a-hero-media .a-media-control{right:10px;bottom:5px}.a-button{font-size:13px;padding:10px 18px}.a-text-link{font-size:13px}
 .a-chapter,.a-main .a-voice{grid-template-columns:1fr;gap:22px;min-height:0}.a-main .a-voice{padding:34px 24px 20px}.a-product-scene>.a-media{min-height:0;aspect-ratio:auto;height:clamp(280px,48svh,480px);max-height:none}
 .a-approval .a-product-scene{width:calc(100% + 48px);margin:4px -24px -34px}.a-approval .a-media{height:auto;aspect-ratio:8/5}.a-approval .a-media>img,.a-approval .a-media>video{object-fit:contain;object-position:center}
 .a-voice .a-product-scene{order:1;width:calc(100% + 48px);margin-inline:-24px}.a-voice .a-media{height:auto;aspect-ratio:8/5}.a-voice .a-chapter-copy{order:0;margin-left:0;padding-bottom:0}.a-chapter-copy>.a-description{max-width:25em}
 .a-section-heading{flex-direction:column;gap:17px}.a-heading-note{padding:0;max-width:none}.a-heading-note .a-replay{margin-top:3px}.a-main .a-press{padding-bottom:28px}.a-press-media{height:330px;margin:15px -24px 0;width:calc(100% + 48px)}
 .a-press-steps{gap:25px;margin-top:8px}.a-press-steps li{font-size:12px;gap:7px}
 .a-main .a-structure{grid-template-columns:1fr;padding:34px 15px 25px}.a-structure .a-section-heading{padding-inline:9px;align-items:flex-start}.a-structure h2{font-size:38px}.a-explode-view{margin-top:12px}.a-explode-media{height:clamp(470px,73svh,760px)}.a-explode-media>picture>img,.a-explode-media>video{object-fit:contain}.a-parts{grid-column:auto;gap:20px;font-size:11px;margin-top:8px}
 .a-main .a-finish{grid-template-columns:1fr;padding:25px 25px 35px;gap:5px}.a-finish-photo{height:300px}.a-finish-copy{text-align:center}.a-finish-copy h2 br{display:none}.a-finish-copy h2{font-size:29px}.a-swatches{justify-content:center;margin-top:22px}
 .a-main .a-connect{grid-template-columns:44px 1fr;gap:17px;padding:30px 25px}.a-connect>img{width:44px;height:44px}.a-connect h2{font-size:24px}.a-connect-actions{grid-column:1/-1;flex-direction:row;justify-content:flex-start;gap:20px;margin-top:5px}
 .a-main .a-notify{grid-template-columns:1fr;gap:22px;padding:30px 8px 18px}.a-notify h2{font-size:25px}.a-field{gap:8px}.a-field input{font-size:16px;padding-inline:12px}
 .authentic-home>footer .wrap{grid-template-columns:1fr;gap:28px}.authentic-home>footer .fcols{gap:28px}.authentic-home>footer .fqr{justify-self:start}.authentic-home>footer .sp{grid-row:auto}
 .authentic-home>nav .pcard{gap:18px}
}
@media(max-width:390px){.a-main h2{font-size:34px}.a-hero .a-tagline{font-size:19px}.a-explode-media{height:490px}.a-press-media{height:290px}.a-connect-actions{align-items:flex-start;flex-direction:column;gap:2px}.a-field{flex-wrap:wrap}.a-field input{width:100%;flex-basis:100%}.a-press-steps{gap:16px}}
@media(min-width:761px){.a-explode-media{height:auto;aspect-ratio:4/3;max-height:clamp(580px,86svh,1600px)}}
@media(min-width:761px) and (max-height:740px){.a-main #hero.a-hero{padding-top:14px;min-height:550px}.a-hero h1{font-size:56px}.a-hero .a-tagline{font-size:22px}.a-hero .a-actions{margin-top:12px}}
@media(min-width:761px) and (max-aspect-ratio:17/10){
 .a-main #hero.a-hero{display:grid;grid-template-rows:auto minmax(0,1fr);row-gap:20px;padding:32px 0 12px;height:min(calc(100svh - var(--nav-h) - 28px),calc(62.5vw + 240px))}
 .a-hero-copy{position:relative;left:auto;top:auto;width:auto;max-width:none;padding-inline:32px;text-align:center}
 .a-hero .a-actions{justify-content:center}
 .a-main .a-hero-media{position:relative;inset:auto;width:100%;height:100%;min-height:0}
 .a-hero-media .a-media-control{right:16px}
 .a-main .a-voice{min-height:0}
 .a-voice .a-media{height:auto;aspect-ratio:8/5}
 .a-main .a-structure{grid-template-columns:1fr}
 .a-explode-media{height:auto;aspect-ratio:8/5}
 .a-parts{grid-column:1}
}
.a-main [data-reveal] .a-chapter-copy,.a-main [data-reveal] .a-section-heading,.a-main [data-reveal] .a-finish-copy{transition:opacity .7s ease,translate .85s cubic-bezier(.2,.7,.2,1)}
.a-main [data-reveal].reveal-ready:not(.is-revealed) .a-chapter-copy,.a-main [data-reveal].reveal-ready:not(.is-revealed) .a-section-heading,.a-main [data-reveal].reveal-ready:not(.is-revealed) .a-finish-copy{opacity:0;translate:0 24px}
.a-finish-photo,.a-connect>*,.a-notify>*{transition:opacity .7s ease,translate .85s cubic-bezier(.2,.7,.2,1)}
.a-finish.reveal-ready:not(.is-revealed) .a-finish-photo,.a-connect.reveal-ready:not(.is-revealed)>*,.a-notify.reveal-ready:not(.is-revealed)>*{opacity:0;translate:0 24px}
@media(prefers-reduced-motion:reduce){.authentic-home{scroll-behavior:auto}.a-main *{transition:none!important}.a-media>video{opacity:0}.a-media.has-frame>video{opacity:1}}
@media(prefers-contrast:more){.a-description,.a-eyebrow,.a-platform,.a-fine{color:#424247}.a-button-light{border-color:#65656b}}