:root{color-scheme:light;--ink:#1d2843;--sub:#69748d;--line:#e5eafa;--blue:#4261f5;--purple:#7850ed;--wash:#eef1ff;--bg:#f7f9ff;--paper:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:default}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #8ca1ff;outline-offset:4px}
[hidden]{display:none!important}
.skip-link{position:absolute;left:16px;top:-80px;z-index:5;padding:10px 16px;background:white;border-radius:8px}
.skip-link:focus{top:12px}
.site-header{background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{max-width:1180px;margin:auto;min-height:88px;display:flex;align-items:center;justify-content:space-between;padding:10px 38px;gap:28px}
.brand{display:block;flex-shrink:0}
.brand img{display:block;width:152px;height:58px;object-fit:contain}
.site-nav{display:flex;align-items:center;gap:27px;font-size:13px}
.site-nav a{color:var(--sub);white-space:nowrap}
.site-nav a:hover,.site-nav .active{color:var(--blue)}
.site-nav .active{font-weight:600}
.site-nav .main-site-link{display:flex;align-items:center;gap:4px;margin-left:8px}
.icon{display:inline-block;flex-shrink:0;width:18px;height:18px;background:currentColor;mask-position:center;mask-repeat:no-repeat;mask-size:contain;-webkit-mask-position:center;-webkit-mask-repeat:no-repeat;-webkit-mask-size:contain}
.icon-monitor{mask-image:url("/assets/icons/monitor-down.svg");-webkit-mask-image:url("/assets/icons/monitor-down.svg")}
.icon-download{mask-image:url("/assets/icons/download.svg");-webkit-mask-image:url("/assets/icons/download.svg")}
.icon-ticket{mask-image:url("/assets/icons/ticket.svg");-webkit-mask-image:url("/assets/icons/ticket.svg")}
.icon-shield{mask-image:url("/assets/icons/shield-check.svg");-webkit-mask-image:url("/assets/icons/shield-check.svg")}
.icon-folder{mask-image:url("/assets/icons/folder.svg");-webkit-mask-image:url("/assets/icons/folder.svg")}
.icon-arrow{mask-image:url("/assets/icons/arrow-up-right.svg");-webkit-mask-image:url("/assets/icons/arrow-up-right.svg")}
.icon-chevron{mask-image:url("/assets/icons/chevron-down.svg");-webkit-mask-image:url("/assets/icons/chevron-down.svg")}
.icon-copy{mask-image:url("/assets/icons/copy.svg");-webkit-mask-image:url("/assets/icons/copy.svg")}
.icon-external{mask-image:url("/assets/icons/external-link.svg");-webkit-mask-image:url("/assets/icons/external-link.svg")}
.main-container{max-width:1180px;padding:0 38px 40px;margin:auto}
.page-heading{text-align:center;padding:45px 0 30px}
.eyebrow{color:var(--blue);font-size:12px;letter-spacing:.8px;margin:0 0 12px}
h1{font-size:34px;line-height:1.4;letter-spacing:-1.1px;font-weight:700;margin:0 0 13px}
h1 span{background:linear-gradient(110deg,var(--blue),var(--purple));background-clip:text;-webkit-background-clip:text;color:transparent}
.page-intro{margin:0;color:var(--sub);font-size:14px;line-height:1.85}
.invitation{background:var(--paper);border:1px solid #dce3ff;border-radius:14px;padding:16px 19px;display:flex;align-items:center;gap:12px;box-shadow:0 6px 24px #3c4d9510}
.invite-symbol{width:38px;height:38px;display:grid;place-items:center;background:var(--wash);color:var(--blue);border-radius:11px;flex-shrink:0}
.invite-symbol .icon{width:20px;height:20px}
.invite-description{min-width:0}
.invite-description h2{font-size:14px;font-weight:600;margin:0 0 5px;line-height:1.5;overflow-wrap:anywhere}
.invite-description p{margin:0;font-size:12px;color:var(--sub);line-height:1.75}
.invite-code-group{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
.code-label{color:var(--sub);font-size:11px}
.invite-code{border:0;background:transparent;color:var(--blue);font:600 15px Consolas,monospace;letter-spacing:.7px;width:135px;max-width:100%;padding:5px 0}
.copy-button{border:0;display:flex;align-items:center;gap:5px;border-radius:7px;padding:9px 10px;background:var(--wash);color:var(--blue);font-size:12px;white-space:nowrap}
.copy-button .icon{width:13px;height:13px}
.invite-recovery{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-left:auto;font-size:12px}
.invitation[data-status="invalid"],.invitation[data-status="error"]{border-color:#edd8d3;background:#fffafa}
.invitation[data-status="invalid"] .invite-symbol,.invitation[data-status="error"] .invite-symbol{background:#ffeded;color:#b44e43}
.invitation[data-status="disabled"]{border-color:#ecdfc2;background:#fffdf7}
.download-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:start;margin:27px 0 29px}
.download-card{padding:31px 27px 26px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:0 16px 40px #4051a112}
.download-symbol{display:grid;place-items:center;width:73px;height:73px;border-radius:20px;background:var(--wash);color:var(--blue);margin:0 auto 20px}
.download-symbol .icon{width:35px;height:35px}
.download-card h2{font-size:23px;line-height:1.4;margin:0 0 10px;font-weight:600;letter-spacing:-.4px}
.download-intro{font-size:13px;line-height:1.9;color:var(--sub);margin:0 0 24px}
.primary-button{display:flex;align-items:center;justify-content:center;gap:9px;border:0;color:white;background:linear-gradient(112deg,#3e5ef5,#7949e8);padding:16px 17px;min-height:53px;border-radius:11px;font-size:15px;font-weight:600;box-shadow:0 8px 20px #4f55d933;cursor:pointer}
.primary-button:hover:not(.is-disabled){filter:brightness(1.05);transform:translateY(-1px)}
.primary-button .icon{width:19px;height:19px}
.is-disabled{opacity:.6;cursor:default!important;box-shadow:none}
.download-status{font-size:11px;line-height:1.8;color:var(--sub);margin:12px 0 0;overflow-wrap:anywhere}
.download-status.is-error{color:#a85441}
.quiet-button{border:1px solid var(--line);background:var(--paper);color:var(--blue);padding:7px 11px;border-radius:7px;font-size:12px}
.quiet-button:hover{background:var(--wash)}
.quiet-button:disabled{opacity:.5}
#retryDownloadButton{margin-top:9px}
.release-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 16px;margin:14px 0 0;font-size:11px;color:var(--sub)}
.release-meta>div{display:flex;gap:4px;align-items:center;max-width:100%;min-width:0}
.release-meta dt,.release-meta dd{margin:0}.release-meta dt{flex-shrink:0}.release-meta dd{min-width:0;overflow-wrap:anywhere}
.secondary-button{display:flex;align-items:center;justify-content:center;gap:7px;padding:13px 14px;margin-top:17px;border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:13px;font-weight:500}
.secondary-button:hover:not(.is-disabled){border-color:#b7c4ff;background:#f8f9ff}
.secondary-button .icon{color:var(--blue);width:15px;height:15px}
.download-features{display:flex;justify-content:center;flex-wrap:wrap;gap:15px;margin:19px 0 12px;font-size:11px;color:var(--sub)}
.download-features>span{display:flex;align-items:center;gap:5px}
.download-features .icon{width:14px;height:14px}
.web-register{display:inline-flex;align-items:center;justify-content:center;gap:4px;padding:6px 0;color:var(--blue);font-size:12px;line-height:1.7}
.web-register .icon{width:13px;height:13px}
.mobile-note{font-size:12px;line-height:1.8;color:var(--sub);background:var(--wash);border-radius:8px;padding:10px 12px;margin:15px 0 0;text-align:left}
.handoff-help{margin-top:19px;padding:16px 14px;background:#f4f6ff;border:1px solid #dce3ff;border-radius:10px;text-align:left}
.handoff-help h3{font-size:13px;margin:0 0 8px;line-height:1.7}
.handoff-help p{font-size:12px;line-height:1.85;color:var(--sub);margin:6px 0}
.manual-copy-row{display:flex;gap:7px;align-items:center;margin-top:8px}
.manual-copy-row input{min-width:0;flex:1;width:100px;color:var(--blue);font:600 14px Consolas,monospace;background:white;border:1px solid var(--line);padding:8px;border-radius:6px}
.manual-copy-row button{flex-shrink:0}
.install-steps{display:grid;gap:14px}
.step-card{padding:22px 23px;display:grid;grid-template-columns:31px minmax(0,1fr);gap:14px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.step-number{align-self:start;margin-top:1px;display:grid;place-items:center;width:31px;height:29px;border-radius:8px;background:var(--wash);color:var(--blue);font-size:12px;font-weight:600}
.step-content h2{font-size:15px;font-weight:600;margin:4px 0 9px;line-height:1.6}
.step-content p{color:var(--sub);font-size:12px;line-height:1.95;margin:5px 0}
code{font-family:Consolas,"SFMono-Regular",monospace;background:var(--wash);color:var(--ink);border-radius:4px;padding:2px 5px;font-size:12px;overflow-wrap:anywhere}
.step-link{display:inline-flex;gap:7px;align-items:center;margin-top:10px;padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--blue);font-size:12px}
.step-link:hover:not(.is-disabled){background:var(--wash)}
.invitation-reminder{color:var(--blue)!important}
.security-notice{padding:15px 19px;display:flex;align-items:center;gap:10px;background:#fff8e9;color:#8d6225;border-radius:11px;margin-bottom:36px}
.security-notice>.icon{width:19px;height:19px}
.security-notice p{margin:0;font-size:12px;line-height:1.9}
.security-notice a{margin-left:auto;flex-shrink:0;color:inherit;font-size:12px;font-weight:600;white-space:nowrap}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}
.section-heading h2{font-size:21px;font-weight:600;margin:0;letter-spacing:-.4px}
.section-heading>span{font-size:12px;color:var(--sub)}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;padding:17px 0;font-size:13px;line-height:1.8;gap:15px;cursor:pointer}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .icon{width:15px;height:15px;color:var(--sub)}
.faq-list details[open] summary{font-weight:600}
.faq-list details[open] summary .icon{transform:rotate(180deg)}
.faq-content{max-width:900px;padding:0 26px 20px 0;font-size:13px;line-height:1.95;color:var(--sub)}
.faq-content p{margin:0 0 8px}
.faq-content p:last-child{margin-bottom:0}
.faq-content ol{padding-left:20px;margin:0 0 8px}
.faq-content li{margin-bottom:6px}
.site-footer{background:white;border-top:1px solid var(--line);font-size:12px;color:var(--sub)}
.site-footer>div{max-width:1180px;margin:auto;padding:24px 38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-footer nav{display:flex;gap:22px}
.site-footer a{color:var(--sub)}
.toast{position:fixed;z-index:10;left:50%;bottom:30px;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);background:#23324c;color:white;box-shadow:0 7px 30px #17274924;padding:12px 18px;border-radius:10px;font-size:13px;line-height:1.8}
.noscript-notice{background:white;border:1px solid var(--line);padding:20px;margin-top:25px;border-radius:10px;font-size:13px;line-height:1.9}
.noscript-notice h2{font-size:16px;margin:0 0 10px}
@media(min-width:1400px){.page-heading{padding-top:54px}.download-layout{gap:32px}.download-card{padding:34px 35px}.step-card{padding:24px 25px}}
@media(max-width:900px){.header-inner{padding:10px 25px;gap:20px}.site-nav{gap:19px}.main-container{padding:0 25px 30px}h1{font-size:29px}.invite-code-group{gap:6px}.invite-code{width:115px;font-size:14px}.download-layout{gap:20px;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}.download-card{padding:27px 20px}.download-card h2{font-size:21px}.step-card{padding:19px 16px;gap:10px}.step-content h2{font-size:14px}.site-footer>div{padding:22px 25px}}
@media(max-width:720px){.header-inner{min-height:80px;padding:9px 20px}.brand img{width:137px;height:53px}.site-nav{font-size:12px;gap:17px}.site-nav>a:nth-child(3){display:none}.site-nav .main-site-link{margin-left:0}.page-heading{padding:30px 0 24px}h1{font-size:27px}.page-intro{font-size:13px}.invitation{padding:14px 15px;flex-wrap:wrap;gap:10px}.invite-description{flex:1}.invite-code-group{margin-left:48px}.invite-recovery{margin-left:48px}.code-label{font-size:12px}.invite-code{width:136px}.download-layout{grid-template-columns:1fr;gap:22px}.download-card{padding:29px;max-width:100%}.download-intro br{display:none}.download-symbol{width:66px;height:66px;margin-bottom:15px}.download-symbol .icon{width:32px;height:32px}.download-card h2{font-size:23px}.step-card{padding:21px}.security-notice{flex-wrap:wrap;padding:15px 17px;gap:8px}.security-notice p{flex:1}.security-notice a{margin-left:27px}.section-heading{align-items:flex-start;flex-direction:column;gap:8px}.section-heading h2{font-size:20px}.site-footer>div{padding:22px 20px}.header-inner .main-site-link .icon{display:none}}
@media(max-width:460px){.main-container{padding:0 17px 28px}.header-inner{padding:9px 17px}.brand img{width:128px;height:49px}.site-nav>a:not(.main-site-link){display:none}.site-nav .main-site-link{font-size:12px}.page-heading{padding:28px 0 22px}h1{font-size:25px;line-height:1.5;letter-spacing:-.6px}h1 span{display:block}.eyebrow{font-size:11px}.page-intro{font-size:12px}.invite-description h2{font-size:13px}.invite-description p{font-size:11px}.invite-code-group{width:calc(100% - 48px);max-width:calc(100% - 48px);margin-left:48px;flex-wrap:wrap;gap:8px}.invite-code{width:100px;font-size:14px}.copy-button{font-size:11px;padding:8px}.code-label{display:none}.invite-recovery{margin-left:0;width:100%}.download-layout{margin-top:21px}.download-card{padding:26px 20px}.download-card h2{font-size:21px}.primary-button{font-size:14px}.download-status{font-size:11px}.secondary-button{font-size:12px}.release-meta{gap:6px 12px}.step-card{padding:19px 16px;gap:10px}.step-content h2{font-size:14px}.step-content p{font-size:12px}.security-notice{margin-bottom:29px}.section-heading>span{font-size:11px}.faq-list summary{font-size:12px}.faq-content{font-size:12px;padding-right:0}.site-footer>div{padding:21px 17px;flex-wrap:wrap;gap:15px;font-size:11px}.manual-copy-row{flex-wrap:wrap}.manual-copy-row input{flex-basis:130px}}
@media(pointer:coarse){.site-nav a,.copy-button,.quiet-button,.web-register,.step-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center}.invite-code,.manual-copy-row input{font-size:16px}.faq-list summary{min-height:54px}.site-footer a{padding:8px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.mobile-note h3{font-size:13px;line-height:1.8;margin:0 0 7px;color:var(--ink)}.mobile-note p{margin:6px 0}.mobile-note .quiet-button{margin-top:7px}.registration-first{color:var(--blue);border-color:#ccd6ff;background:#f8faff}.share-fallback{width:100%;padding-top:10px;border-top:1px solid var(--line);margin-top:6px}.share-fallback label{display:block;color:var(--sub);font-size:12px;margin-bottom:7px}.share-fallback input{width:100%;min-width:0;border:1px solid var(--line);border-radius:7px;padding:10px;color:var(--blue);font-size:13px;background:white}

.main-container>.mobile-note{margin:0 0 19px;padding:16px 18px;border:1px solid #dce4ff}.mobile-note .step-link{margin:7px 8px 0 0}.mobile-note h3{color:#344fc4}