@charset "UTF-8";
:root{color-scheme:light;--paper:#f5f6f2;--white:#fff;--ink:#172c25;--muted:#5a665f;--line:#dce1d9;--green:#276548;--pale:#e7ede3;--dark:#162a23;--mint:#b9efce;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:102px}body{margin:0;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}button,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #4789b9;outline-offset:5px}img,video{display:block;max-width:100%}button[hidden]{display:none}::selection{background:#c2e7c9;color:#142b22}.container{width:min(1240px,calc(100% - 96px));margin-inline:auto}.skip-link{position:fixed;z-index:100;left:24px;top:12px;padding:10px 16px;background:white;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,242,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{height:86px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:17px;letter-spacing:-.45px;white-space:nowrap}.brand strong{font-weight:650}.brand-icon{width:34px;height:34px;display:grid;place-items:center;background:var(--dark);border-radius:10px}.brand-icon svg{width:32px;height:32px;fill:none;stroke-width:3}.brand-icon circle{stroke:#4b6356}.brand-icon path{stroke:var(--mint);stroke-linecap:round}.desktop-nav{display:flex;gap:28px;margin-left:auto}.desktop-nav a{font-size:14px;color:var(--muted);text-decoration:none}.desktop-nav a:hover{color:var(--green)}.header-actions{display:flex;align-items:center;gap:20px}.language-switch{border:0;background:none;padding:9px 1px;color:var(--ink);font-size:13px;white-space:nowrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:52px;padding:13px 23px;border:1px solid transparent;border-radius:7px;font-weight:600;font-size:14px;line-height:1.4;text-decoration:none;transition:background .16s,transform .16s}.button:hover{transform:translateY(-2px)}.button-dark{background:var(--dark);color:#f7fbf8}.button-dark:hover{background:#2b4a3b}.button-outline{border-color:#bdc9bd;background:transparent}.button-outline:hover{background:#e7ede3}.button-small{min-height:40px;padding:9px 16px;font-size:13px}.button span[aria-hidden]{font-size:18px}.button .play-icon{font-size:12px}
.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:70px;align-items:center;padding-block:78px 82px}.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 22px;font-family:var(--mono);font-size:11px;line-height:1.5;letter-spacing:1.5px;font-weight:550;color:var(--green)}.status-dot{width:7px;height:7px;border-radius:50%;background:#438d57;box-shadow:0 0 0 4px #e3ebde}.hero h1{font-size:clamp(46px,4.75vw,67px);line-height:1.11;letter-spacing:-3.1px;font-weight:570;margin:0 0 27px}.accent{color:var(--green)}.hero-description{max-width:490px;font-size:18px;line-height:1.75;margin:0 0 29px;color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-note{font-size:12px;color:var(--muted);margin:18px 0 33px}.hero-details{display:flex;gap:30px;border-top:1px solid var(--line);padding-top:23px}.hero-details>div{flex:1}.detail-label{display:block;font-family:var(--mono);font-size:9px;letter-spacing:1px;color:var(--muted);margin-bottom:5px}.hero-details strong{font-size:12px;font-weight:550}.product-figure{min-width:0;margin:0;padding:0 0 15px;border:1px solid #cdd6c8;border-radius:15px;background:linear-gradient(145deg,#edf2e7,#dfe7d9);box-shadow:0 18px 38px -28px #39513940;overflow:hidden}.preview-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px 20px;border-bottom:1px solid #cdd6c8;font-size:11px;color:#51604f}.preview-dots{display:flex;gap:4px}.preview-dots i{width:5px;height:5px;border-radius:50%;background:#9bab99}.preview-label{font-family:var(--mono);font-size:8px;letter-spacing:1.2px}.preview-stage{padding:27px 29px 19px}.preview-crop{position:relative;aspect-ratio:663 / 730;overflow:hidden;border-radius:10px;background:#2c2d2a;box-shadow:0 12px 24px -12px #15312280}.preview-crop img{position:absolute;width:241.3273%;max-width:none;height:auto;left:-130.4676%;top:-6.1644%}.product-figure figcaption{display:flex;justify-content:center;align-items:center;gap:7px;font-family:var(--mono);color:#51604f;font-size:9px;letter-spacing:.2px}.tiny-dot{width:5px;height:5px;background:#64865b;border-radius:50%}
.features-section{padding-block:54px 74px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;margin-bottom:34px}.section-heading .eyebrow{margin-bottom:11px}h2{font-size:clamp(28px,3vw,40px);line-height:1.2;letter-spacing:-1.25px;font-weight:550;margin:0}h3{font-size:18px;font-weight:600;line-height:1.35;letter-spacing:-.4px}.section-description{font-size:14px;color:var(--muted);max-width:300px;margin:0 0 3px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.feature{padding:29px 30px 28px;position:relative}.feature:first-child{padding-left:0}.feature:last-child{padding-right:0}.feature+.feature{border-left:1px solid var(--line)}.feature-number{font:10px var(--mono);color:#758073;position:absolute;right:28px;top:31px}.feature:last-child .feature-number{right:0}.feature-icon{height:34px;width:36px;color:var(--green);font-size:34px;line-height:1;margin-bottom:25px}.feature h3{margin:0 0 11px}.feature p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;max-width:300px}.bars-icon{display:flex;align-items:flex-end;gap:4px;width:34px;padding:5px 0}.bars-icon i{width:5px;background:var(--green);border-radius:2px 2px 0 0}.bars-icon i:nth-child(1){height:45%}.bars-icon i:nth-child(2){height:75%}.bars-icon i:nth-child(3){height:100%}.bars-icon i:nth-child(4){height:60%}.days-icon{display:grid;grid-template-columns:repeat(4,6px);gap:3px;height:25px;margin-top:5px;margin-bottom:29px}.days-icon i{background:#c2d4bb;border-radius:1px}.days-icon i:nth-child(3n){background:#3c7650}.measurement-note{font-size:12px;color:var(--muted);margin:19px 0 0}
.demo-section{background:var(--dark);color:#f2f5ef;padding-block:66px}.demo-section .eyebrow{color:var(--mint)}.demo-section .section-description{color:#b3c1b7}.video-frame{padding:9px;border:1px solid #45574c;border-radius:12px;background:#21372d}.video-frame video{width:100%;aspect-ratio:16/9;object-fit:contain;background:#10191e;border-radius:5px}.video-caption{display:flex;align-items:baseline;justify-content:space-between;gap:32px;color:#b3c1b7;font-size:11px;margin-top:17px}.video-caption a{white-space:nowrap;color:#d5e9da}
.install-section{display:grid;grid-template-columns:1fr 1.05fr;column-gap:90px;row-gap:30px;padding-block:88px}.install-intro .eyebrow{margin-bottom:15px}.install-intro h2{max-width:390px}.install-intro>p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:1.85;margin-top:22px}.requirements{border-top:1px solid var(--line);padding-top:20px;margin-top:31px}.requirements h3{font-size:13px;letter-spacing:0;margin:0 0 8px}.requirements p{color:var(--muted);font-size:13px;margin:0}.install-intro .manual-link{font-size:12px!important;line-height:1.9}.manual-link a{color:var(--ink);display:inline-block}.install-card{background:white;border:1px solid var(--line);border-radius:12px;padding:29px;box-shadow:0 5px 12px #142b2204}.install-card-header,.install-next{display:flex;align-items:flex-start;gap:13px}.step-pill{flex-shrink:0;display:grid;place-items:center;width:25px;height:25px;border:1px solid #d7e0d0;border-radius:6px;background:#f0f5eb;font:10px var(--mono);color:#46623d}.install-card-header h3,.install-next h3{font-size:14px;letter-spacing:0;margin:2px 0 0}.install-card textarea{width:100%;min-height:138px;border:1px solid #dce3d7;border-radius:6px;background:#f7f9f4;resize:vertical;padding:15px;margin-top:19px;font:12px/1.8 var(--mono);color:#324c38;overflow-wrap:anywhere}.copy-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px}.copy-button{font-size:12px;min-height:42px;padding:10px 14px}.copy-status{font-size:11px;color:var(--green);min-height:18px}.install-next{margin-top:25px}.install-next p{font-size:12px;color:var(--muted);line-height:1.8;margin:7px 0 0}.release-link{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:21px;margin-top:25px;font-size:12px;text-decoration:none;font-weight:600}.release-link:hover{text-decoration:underline}.release-note{font-size:11px;line-height:1.7;color:var(--muted);margin:8px 0 0}.compatibility-note{grid-column:1 / -1;display:flex;align-items:flex-start;gap:13px;padding:20px 24px;background:#edf0e9;border-radius:8px;border:1px solid #dce3d5}.compatibility-note p{font-size:12px;line-height:1.85;margin:0;color:var(--muted)}.compatibility-note strong{font-weight:600;color:var(--ink)}.compatibility-note a{white-space:normal;color:var(--ink)}.note-icon{flex-shrink:0;border:1px solid #86927e;line-height:16px;width:17px;text-align:center;border-radius:50%;font-family:Georgia,serif;font-size:12px;margin-top:3px}
.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;padding-block:56px 88px;border-top:1px solid var(--line)}.faq-intro .eyebrow{margin-bottom:13px}.faq-intro h2{max-width:330px}.text-link{display:inline-block;font-size:12px;margin-top:23px;color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line);padding-block:20px}.faq-list summary{position:relative;list-style:none;cursor:pointer;padding-right:34px;font-size:15px;line-height:1.5;font-weight:550}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";position:absolute;right:2px;top:-2px;font-size:22px;font-weight:350;color:var(--green)}.faq-list details[open] summary::after{content:"−"}.faq-list details p{font-size:13px;line-height:1.9;color:var(--muted);margin:14px 25px 0 0}.closing-section{display:flex;align-items:center;justify-content:space-between;gap:36px;border-top:1px solid var(--line);padding-block:54px 59px}.closing-section .eyebrow{margin-bottom:12px}.closing-section h2{font-size:34px}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:32px;border-top:1px solid var(--line);padding-block:30px 36px}.footer-brand{font-size:13px;text-decoration:none;font-weight:600}.site-footer p{font-size:11px;color:var(--muted);margin:5px 0 0}.site-footer nav{display:flex;flex-wrap:wrap;gap:24px}.site-footer nav a{font-size:11px;color:var(--muted);text-decoration:none}.site-footer nav a:hover{text-decoration:underline}
html[lang="zh-CN"] .hero h1{letter-spacing:-1px;font-size:clamp(43px,4.4vw,60px);line-height:1.28}html[lang="zh-CN"] h2{letter-spacing:-.6px;line-height:1.35}html[lang="zh-CN"] .hero-description{line-height:1.9}html[lang="zh-CN"] .eyebrow{letter-spacing:1.4px}
@media(min-width:1500px){.hero{padding-block:90px}.hero h1{font-size:70px}.preview-stage{padding-inline:40px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.header-inner{gap:20px}.desktop-nav{gap:18px}.hero{gap:38px;padding-block:60px}.hero h1{font-size:52px}.hero-description{font-size:16px}.hero-actions .button{padding-inline:17px;font-size:13px}.hero-details{gap:15px}.hero-details strong{font-size:11px}.install-section,.faq-section{column-gap:50px}.preview-stage{padding:20px}.preview-heading{padding-inline:14px}.preview-label{display:none}}
@media(max-width:850px){.container{width:calc(100% - 48px)}.desktop-nav{display:none}.header-actions{margin-left:auto}.hero{grid-template-columns:1fr 1fr;gap:25px}.hero h1{font-size:43px;letter-spacing:-2px}.hero-description{font-size:15px}.hero-actions{gap:9px}.hero-actions .button{min-height:45px;font-size:12px;padding:11px 13px;gap:10px}.hero-note{font-size:11px}.hero-details{display:block}.hero-details>div+div{margin-top:13px}.hero-details strong{font-size:12px}.preview-stage{padding:14px 12px}.preview-heading{font-size:10px}.product-figure figcaption{font-size:8px}.feature{padding-inline:23px}.feature h3{font-size:16px}.feature p{font-size:13px}.section-heading{gap:25px}.section-description{max-width:240px;font-size:13px}.install-section{column-gap:30px}.install-card{padding:22px}.faq-section{column-gap:40px}.video-caption{font-size:10px}html[lang="zh-CN"] .hero h1{font-size:39px}}
@media(max-width:640px){html{scroll-padding-top:85px}.container{width:calc(100% - 36px)}.header-inner{height:72px;gap:12px}.brand{font-size:13px;gap:7px;letter-spacing:-.35px}.brand-icon{width:28px;height:28px;border-radius:8px}.brand-icon svg{width:27px;height:27px}.header-actions{gap:13px}.language-switch{font-size:12px}.header-actions .button{display:none}.hero{grid-template-columns:1fr;padding-block:42px 46px;gap:31px}.eyebrow{font-size:10px;letter-spacing:1.2px}.hero h1{font-size:clamp(38px,9.5vw,54px);line-height:1.15;letter-spacing:-2px;margin-bottom:20px}.hero-description{font-size:16px;line-height:1.8;max-width:460px;margin-bottom:23px}.hero-actions .button{min-height:48px;font-size:12px;padding:12px 16px;gap:14px}.hero-note{font-size:11px;line-height:1.8;margin-block:15px 22px}.hero-details{display:flex;padding-top:17px;gap:15px}.hero-details>div+div{margin-top:0}.detail-label{font-size:8px;letter-spacing:.65px}.hero-details strong{font-size:10px}.product-figure{width:100%;max-width:440px;justify-self:center}.preview-heading{font-size:11px;padding:13px 16px}.preview-label{display:block;font-size:8px}.preview-stage{padding:22px 28px 16px}.product-figure figcaption{font-size:9px}.features-section{padding-block:36px 43px}.section-heading{display:block;margin-bottom:25px}.section-description{max-width:100%;font-size:13px;margin-top:15px}h2{font-size:29px;letter-spacing:-1px}.feature-grid{grid-template-columns:1fr}.feature,.feature:first-child,.feature:last-child{padding:25px 0}.feature+.feature{border-left:none;border-top:1px solid var(--line)}.feature-number{right:0;top:28px}.feature-icon{margin-bottom:16px}.days-icon{margin-bottom:20px}.feature h3{font-size:17px}.feature p{max-width:100%;font-size:14px}.measurement-note{font-size:11px;line-height:1.8}.demo-section{padding-block:39px}.video-frame{padding:4px;border-radius:7px}.video-caption{display:block;line-height:1.8;font-size:10px;margin-top:13px}.video-caption a{display:inline-block;margin-top:8px}.install-section{grid-template-columns:1fr;padding-block:45px;gap:27px}.install-intro h2{max-width:100%}.install-intro>p:not(.eyebrow){font-size:14px;margin-top:17px}.requirements{padding-top:17px;margin-top:23px}.install-card{padding:22px}.install-card textarea{min-height:153px;font-size:11px}.compatibility-note{padding:17px;gap:11px}.compatibility-note p{font-size:11px}.faq-section{grid-template-columns:1fr;padding-block:39px 45px;gap:27px}.faq-intro h2{max-width:100%}.text-link{margin-top:15px}.faq-list details{padding-block:18px}.faq-list summary{font-size:14px}.faq-list details p{font-size:12px}.closing-section{align-items:flex-start;flex-direction:column;gap:23px;padding-block:36px}.closing-section h2{font-size:28px}.closing-section .button{min-height:46px}.site-footer{display:block;padding-block:25px}.site-footer nav{margin-top:18px;gap:22px}html[lang="zh-CN"] .hero h1{font-size:clamp(35px,9.5vw,48px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}