/* SPDX-License-Identifier: Apache-2.0
 * 中文：纯白官网及说明书共用布局，不影响设备固件渲染。
 * English: Bright white website and manual layouts, independent of device rendering.
 */
:root{color-scheme:light;--ink:#141616;--muted:#596060;--line:#d7dddd;--white:#fff;--max:1152px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{margin:0;background:var(--white);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,select{font:inherit;color:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;max-width:100%}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline:2px solid #141616;outline-offset:5px}[hidden]{display:none!important}.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}.skip{position:fixed;top:-100px;left:16px;background:white;padding:12px;z-index:99}.skip:focus{top:12px}.site-header{border-bottom:1px solid var(--line);background:#fffffff5;backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.header-inner{max-width:1280px;height:84px;margin:auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}.wordmark{font-size:27px;font-weight:760;letter-spacing:-1.1px;line-height:1.2}.wordmark span{margin-left:2px}.site-header nav{display:flex;gap:32px;font-size:14px}.site-header nav a:hover,.text-link:hover{text-decoration:underline;text-underline-offset:5px}.button{display:inline-flex;gap:24px;align-items:center;justify-content:center;min-height:54px;padding:14px 23px;border-radius:9px;border:1px solid var(--ink);font-size:15px;font-weight:650;line-height:1.3;transition:transform .14s,background .14s}.button:hover{transform:translateY(-2px)}.button:active{transform:translateY(0)}.button.primary{background:var(--ink);color:white}.button.secondary{background:white;color:var(--ink)}.button.small{min-height:42px;padding:11px 18px;font-size:13px}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:600}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:650;margin:0 0 20px;color:var(--muted)}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;padding-top:65px;padding-bottom:68px}.hero-copy{padding-bottom:25px}.hero h1{font-size:68px;font-weight:720;line-height:1.19;letter-spacing:-3px;margin:0 0 28px}.hero-description{font-size:17px;line-height:1.95;color:var(--muted);margin:0 0 34px}.hero-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.hero-spec{display:flex;gap:0;margin-top:58px;font-size:12px;font-weight:600}.hero-spec span+span{border-left:1px solid var(--line);margin-left:17px;padding-left:17px}.hardware{font-size:11px;color:var(--muted);margin-top:13px}.screen-gallery{border:1px solid var(--line);border-radius:18px;background:white;padding:23px 25px 22px;align-self:center}.gallery-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.gallery-heading .eyebrow{margin:0}.screen-open{border:0;background:white;padding:0;position:relative;display:block;margin:0 auto;width:225px;max-width:100%}.screen-open img{width:100%;height:auto;aspect-ratio:684/1216;object-fit:contain;border:1px solid #c9cece;border-radius:6px}.zoom-label{position:absolute;bottom:12px;right:10px;font-size:9px;background:#fff;padding:3px 7px;border:1px solid var(--line);border-radius:4px}.screen-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;margin-top:22px;border-bottom:1px solid var(--line);padding-bottom:10px}.screen-tabs button{background:white;border:0;border-radius:5px;padding:7px 0;font-size:12px;white-space:nowrap}.screen-tabs button[aria-selected=true]{background:var(--ink);color:white}.screen-styles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:12px}.screen-styles button{background:white;border:1px solid var(--line);border-radius:6px;padding:7px 3px;font-size:11px;white-space:nowrap}.screen-styles button[aria-pressed=true]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);font-weight:650}.screen-caption{font-size:12px;margin:14px 0 8px;min-height:40px}.preview-note{font-size:10px;color:var(--muted);margin:0}.section-divider{display:flex;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px}.section-divider span:last-child{font-size:10px;letter-spacing:1.6px;color:var(--muted)}h2{font-size:40px;font-weight:700;line-height:1.35;letter-spacing:-1.4px;margin:0 0 20px}.features{padding-top:92px;padding-bottom:92px;display:grid;grid-template-columns:290px 1fr;gap:64px}.section-intro>p:last-child,.flash-heading p:last-child,.manual-banner p:last-child{color:var(--muted);font-size:14px}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 44px}.feature-grid h3{font-size:17px;margin:13px 0 8px;font-weight:650}.feature-grid p{font-size:13px;margin:0;color:var(--muted);line-height:1.9}.flash-section{padding:80px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:white}.flash-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px}.flash-heading .eyebrow{margin-bottom:14px}.flash-heading p:last-child{margin:0}.outlined-tag{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:11px;white-space:nowrap}.release-picker{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--line);padding:21px 26px;border-radius:10px}.select-wrap{min-width:265px}.select-wrap label{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}select{appearance:auto;background:white;border:1px solid var(--line);border-radius:6px;padding:9px 13px;font-size:14px;width:100%;min-height:43px}.release-meta{display:flex;gap:44px;margin:0;font-size:14px}.release-meta dt{font-size:10px;color:var(--muted);margin-bottom:4px}.release-meta dd{margin:0;font-variant-numeric:tabular-nums}.picker-hint{font-size:11px;color:var(--muted);margin:12px 0 25px}.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.install-card{padding:31px;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;align-items:flex-start}.card-number{font-size:10px;letter-spacing:2px;color:var(--muted);margin-bottom:20px}.install-card h3{font-size:24px;letter-spacing:-.6px;margin:0 0 13px;line-height:1.4}.install-card>p{font-size:13px;color:var(--muted);margin:0;line-height:1.85}.install-action{margin:25px 0;min-height:68px;display:flex;align-items:center}.install-action .button{font-size:14px}.browser-help{font-size:13px}.browser-help p{font-size:11px;color:var(--muted);margin:6px 0 0}.install-card .card-footnote{font-size:11px;margin:0 0 23px;line-height:1.9}.install-card>.text-link{margin-top:auto;font-size:12px}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.93em}.release-notes{border-top:1px solid var(--line);margin-top:32px;padding-top:23px;display:grid;grid-template-columns:215px 1fr;gap:20px}.release-notes h3{font-size:13px;margin:0}.release-notes ul{margin:0;padding-left:18px;font-size:12px;color:var(--muted);line-height:2}.manual-banner{padding-top:85px;padding-bottom:85px;display:flex;align-items:center;justify-content:space-between;gap:40px;border-bottom:1px solid var(--line)}.manual-actions{display:flex;flex-direction:column;gap:23px;align-items:flex-start}.manual-actions>span{font-size:11px;color:var(--muted)}.faq{display:grid;grid-template-columns:1fr 1.65fr;gap:60px;padding-top:80px;padding-bottom:92px}.faq h2{font-size:30px}.faq-items details{border-top:1px solid var(--line)}.faq-items details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;font-size:14px;padding:21px 28px 21px 0;position:relative;font-weight:550}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:2px;font-size:18px;top:17px}details[open] summary:after{content:"−"}details p{font-size:13px;color:var(--muted);margin:0 24px 20px 0;line-height:1.9}.site-footer{border-top:1px solid var(--line);background:white;padding-top:40px}.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:32px;padding-bottom:38px}.footer-top p{font-size:12px;color:var(--muted);margin:0}.footer-top>div{display:flex;gap:25px;font-size:12px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;padding-bottom:25px}.screen-dialog{padding:22px;border:1px solid var(--line);border-radius:14px;max-width:min(92vw,640px);max-height:92vh;background:white;color:var(--ink)}.screen-dialog::backdrop{background:#15191980}.dialog-head{display:flex;justify-content:space-between;gap:32px;align-items:center;margin-bottom:16px}.dialog-head strong{font-size:14px}.dialog-head button{border:1px solid var(--line);padding:5px 12px;border-radius:6px;background:white;font-size:12px}.screen-dialog>img{max-height:73vh;width:auto;max-width:100%;margin:auto}.screen-dialog>p{font-size:11px;color:var(--muted);text-align:center;margin-bottom:0}.manual-hero{padding-top:65px;padding-bottom:48px;border-bottom:1px solid var(--line)}.manual-hero h1{font-size:54px;letter-spacing:-2px;line-height:1.3;margin:0 0 20px}.manual-hero p{max-width:640px;color:var(--muted);font-size:15px}.manual-layout{display:grid;grid-template-columns:220px 1fr;gap:60px;padding-top:48px;padding-bottom:80px}.manual-nav{align-self:start;position:sticky;top:116px;display:grid;gap:5px}.manual-nav a{font-size:12px;padding:7px 0;color:var(--muted)}.manual-nav a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:5px}.manual-body section{padding-bottom:44px;margin-bottom:40px;border-bottom:1px solid var(--line);scroll-margin-top:110px}.manual-body h2{font-size:30px;letter-spacing:-.6px}.manual-body h3{font-size:18px;margin:27px 0 10px}.manual-body p,.manual-body li{font-size:14px;line-height:1.95}.manual-body ol,.manual-body ul{padding-left:23px}.manual-body li{margin-bottom:8px}.manual-body .note{border-left:3px solid var(--ink);padding:12px 20px;margin:20px 0;font-size:12px;color:var(--muted)}.manual-body table{border-collapse:collapse;width:100%;font-size:12px;margin-top:18px}.manual-body th,.manual-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;vertical-align:top}.manual-body th{border-top:1px solid var(--line);font-weight:600}.manual-cover-preview{display:flex;gap:24px;margin:22px 0}.manual-cover-preview img{width:148px;border:1px solid var(--line);border-radius:5px}.manual-cover-preview figcaption{font-size:11px;color:var(--muted)}.manual-cover-preview figure{margin:0}.manual-version{font-size:11px!important}.license-link{font-size:11px}.manual-body a{text-decoration:underline;text-underline-offset:4px}
@media(min-width:1450px){.hero{padding-top:85px;padding-bottom:85px}.screen-open{width:245px}.hero h1{font-size:76px}}
@media(max-width:1000px){.hero{gap:36px}.hero h1{font-size:56px}.features{grid-template-columns:240px 1fr;gap:35px}.feature-grid{gap:32px}.install-card{padding:24px}.release-meta{gap:22px}.manual-layout{gap:35px}}
@media(max-width:760px){html{scroll-padding-top:88px}.header-inner{height:72px;padding:0 22px;gap:15px}.wordmark{font-size:23px}.site-header nav{gap:20px}.site-header nav a{font-size:12px}.site-header nav a:first-child,.site-header nav a:nth-child(2){display:none}.button.small{font-size:11px;padding:10px 12px}.wrap{padding-left:24px;padding-right:24px}.hero{grid-template-columns:1fr;gap:35px;padding-top:48px;padding-bottom:48px}.hero h1{font-size:52px;letter-spacing:-2px}.hero-copy{padding-bottom:0}.hero-description{font-size:15px}.hero-actions{gap:22px}.hero-actions .button{font-size:13px}.hero-spec{margin-top:30px}.screen-gallery{width:100%;max-width:440px;justify-self:center;padding:22px}.screen-open{width:230px}.section-divider{font-size:11px}.section-divider span:last-child{display:none}h2{font-size:32px;letter-spacing:-1px}.features{grid-template-columns:1fr;gap:35px;padding-top:58px;padding-bottom:58px}.feature-grid{gap:32px 24px}.feature-grid p{font-size:12px}.feature-grid h3{font-size:15px}.flash-section{padding:55px 0}.flash-heading{align-items:flex-start}.flash-heading h2{font-size:29px}.outlined-tag{font-size:10px;padding:4px 10px}.release-picker{display:block;padding:18px}.select-wrap{min-width:0}.release-meta{margin-top:20px;flex-wrap:wrap;font-size:12px}.install-grid{grid-template-columns:1fr;gap:16px}.install-card h3{font-size:23px}.install-action{min-height:54px}.release-notes{grid-template-columns:1fr;gap:12px}.manual-banner{padding-top:55px;padding-bottom:55px;display:block}.manual-actions{margin-top:28px}.faq{grid-template-columns:1fr;gap:20px;padding-top:55px;padding-bottom:55px}.footer-top{flex-wrap:wrap;padding-bottom:28px;gap:24px}.footer-top>div{width:100%;gap:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:5px}.manual-hero{padding-top:42px}.manual-hero h1{font-size:42px}.manual-layout{grid-template-columns:1fr;gap:36px;padding-top:30px}.manual-nav{position:static;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);padding-bottom:24px}.manual-body h2{font-size:27px}.manual-body p,.manual-body li{font-size:13px}.manual-body th,.manual-body td{padding:10px 6px}.manual-cover-preview img{width:125px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

.install-card>.archive-bin{margin-top:0;margin-bottom:20px;font-size:12px}