/* Public, fixed-light palette shared with landing-1013.css. No app/auth styles or dependencies. */
.client-update-note{display:flex;align-items:center;gap:16px;margin:0 0 16px;padding:22px 24px;border:1px solid rgba(91,91,214,.14);border-radius:22px;background:linear-gradient(110deg,rgba(255,255,255,.82),rgba(237,234,255,.7));box-shadow:0 8px 28px -20px rgba(61,55,127,.2)}.update-icon{flex:0 0 42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--acc-wash);color:var(--acc-ink)}.update-icon svg{width:23px;height:23px}.client-update-note>div{flex:1;min-width:0}.client-update-note h3{margin:0 0 5px;font-size:16px;font-weight:650}.client-update-note p{margin:0;color:var(--ink-2);font-size:13px;line-height:1.8}.client-update-note>.button{flex:none;font-size:13px;white-space:nowrap}@media(max-width:640px){.client-update-note{align-items:flex-start;gap:12px;padding:18px;flex-wrap:wrap}.client-update-note>div{flex-basis:calc(100% - 54px)}.client-update-note>.button{margin-left:54px;min-height:44px}}
:root{--ink:#16161a;--ink-2:#55555f;--ink-3:#6e6e79;--hair:rgba(20,20,40,.1);--acc:#5b5bd6;--acc-ink:#3f3cae;--acc-wash:rgba(91,91,214,.09);--glass:rgba(255,255,255,.64);--shadow:0 24px 60px -28px rgba(40,40,90,.2),0 2px 8px -2px rgba(40,40,90,.05);--f:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font:16px/1.65 var(--f);background:#f6f4f1;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}button:disabled{cursor:not-allowed}:focus-visible{outline:3px solid var(--acc);outline-offset:4px;border-radius:8px}[hidden]{display:none!important}
.page-bg{position:fixed;inset:0;z-index:-1;background:radial-gradient(50% 40% at 6% 0%,rgba(255,190,130,.55),transparent 70%),radial-gradient(42% 38% at 98% 6%,rgba(140,160,255,.45),transparent 72%),radial-gradient(55% 45% at 80% 100%,rgba(150,220,195,.4),transparent 70%),radial-gradient(40% 40% at 15% 75%,rgba(255,170,195,.25),transparent 70%),linear-gradient(180deg,#f7f5f2,#efedf0)}
.glass{background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(255,255,255,0) 40%),var(--glass);border:1px solid rgba(255,255,255,.85);box-shadow:var(--shadow);backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%)}
.skip-link{position:fixed;left:16px;top:-80px;z-index:100;padding:10px 16px;background:white;color:var(--acc-ink);border-radius:12px}.skip-link:focus{top:12px}
.site-nav{position:sticky;top:14px;z-index:10;width:min(1160px,calc(100% - 28px));min-height:62px;margin:14px auto 0;padding:8px 10px 8px 18px;border-radius:999px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:750;white-space:nowrap}.brand small{font-size:13px;font-weight:500;color:var(--ink-3)}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:white;color:#3bc639;font:800 20px/1 Arial,sans-serif;box-shadow:inset 0 0 0 1px rgba(59,198,57,.12)}
.site-nav nav,.nav-actions{display:flex;align-items:center;gap:6px}.site-nav nav a{padding:7px 13px;border-radius:999px;font-size:14.5px;color:var(--ink-2)}.site-nav nav a:hover{background:rgba(255,255,255,.7)}.site-nav nav a[aria-current]{background:var(--acc-wash);color:var(--acc-ink);font-weight:600}.nav-actions{margin-left:auto}.login-link{padding:8px 12px;font-size:14.5px;color:var(--ink-2)}
.button{min-height:46px;padding:10px 20px;border:0;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:600;line-height:1.4;text-align:center;transition:background .18s,box-shadow .18s;cursor:pointer}.button.primary{color:white;background:linear-gradient(180deg,#8079ea,#5b5bd6);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 12px 26px -10px rgba(91,91,214,.5)}.button.primary:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 14px 30px -10px rgba(91,91,214,.7)}.button.secondary{color:var(--acc-ink);background:var(--acc-wash)}.button.secondary:hover{background:rgba(91,91,214,.15)}.button.small{min-height:38px;padding:8px 16px}.pending-button{color:var(--ink-3);background:rgba(255,255,255,.56);box-shadow:inset 0 0 0 1px var(--hair)}
.page-wrap{width:min(1080px,calc(100% - 40px));margin:auto}.hero{text-align:center;padding:46px 0 32px}.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:650;color:var(--acc-ink)}.eyebrow>span{width:18px;height:2px;border-radius:3px;background:var(--acc)}.hero h1{font-size:clamp(36px,4.5vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.04em;margin:19px 0}.hero h1>span{background:linear-gradient(95deg,#5b5bd6,#9471dc,#cc8867);background-clip:text;-webkit-background-clip:text;color:transparent}.hero p{font-size:16px;color:var(--ink-2);margin:0}.hero-web-link{display:inline-flex;gap:6px;align-items:center;min-height:38px;color:var(--acc-ink);font-weight:600;font-size:14px;margin-left:12px}.hero-web-link:hover{color:var(--acc)}.hero-break,.mobile-break{display:none}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.section-heading h2{margin:0 0 5px;font-size:23px;letter-spacing:-.025em}.section-heading p{margin:0;font-size:14px;color:var(--ink-2)}.section-heading>a,.text-link{color:var(--acc-ink);font-size:14px;font-weight:600;white-space:nowrap}.section-heading>a:hover,.text-link:hover{color:var(--acc)}
.release-notice{margin:0 0 20px;padding:12px 16px;border-radius:14px;color:var(--ink-2);background:rgba(255,255,255,.45);font-size:13px}.platform-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.platform-card{min-width:0;border-radius:25px;padding:25px;display:flex;flex-direction:column;align-items:flex-start}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;margin-bottom:20px}.platform-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:17px;background:rgba(255,255,255,.88);color:var(--acc-ink);box-shadow:inset 0 0 0 1px rgba(91,91,214,.06)}.platform-icon svg{width:29px;height:29px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.status{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:999px;font-size:11.5px;font-weight:600;white-space:nowrap}.status.pending{background:rgba(90,90,110,.06);color:var(--ink-3)}.status.available{background:rgba(37,134,109,.09);color:#267b65}.status.available:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.status.beta{background:var(--acc-wash);color:var(--acc-ink)}.platform-card h3{font-size:22px;line-height:1.3;letter-spacing:-.02em;margin:0 0 9px}.platform-card>p{margin:0 0 5px;font-size:14px;color:var(--ink-2)}.platform-card>small{font-size:12px;color:var(--ink-3)}.platform-card .version{font-size:12px;margin-top:10px;color:var(--acc-ink)}.package-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:24px;max-width:100%}.package-actions .button{min-height:42px;max-width:100%;overflow-wrap:anywhere;font-size:13px;padding-inline:16px}.web-card{border-color:rgba(123,106,230,.25);background:linear-gradient(140deg,rgba(255,255,255,.85),rgba(240,237,255,.7))}
.download-help{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;padding:76px 0 56px}.download-help h2{font-size:25px;line-height:1.4;letter-spacing:-.025em;margin:12px 0}.download-help>div>p{color:var(--ink-2);font-size:14px}.questions{border-top:1px solid var(--hair)}details{border-bottom:1px solid var(--hair)}summary{padding:19px 24px 19px 0;position:relative;cursor:pointer;list-style:none;font-size:15px;font-weight:600}summary::-webkit-details-marker{display:none}summary::after{content:"+";position:absolute;right:4px;top:15px;font-size:22px;font-weight:400;color:var(--ink-3)}details[open] summary::after{content:"−"}details p{color:var(--ink-2);font-size:14px;line-height:1.85;margin:0;padding:0 20px 20px 0}
.bottom-note{border-radius:24px;padding:26px 30px;display:flex;align-items:center;gap:20px}.bottom-icon{display:grid;place-items:center;flex:0 0 46px;height:46px;border-radius:15px;background:var(--acc-wash);color:var(--acc-ink);font-weight:800;font-size:25px}.bottom-note h2{font-size:19px;margin:0 0 3px}.bottom-note p{color:var(--ink-2);font-size:14px;margin:0}.bottom-note .button{margin-left:auto;white-space:nowrap}.site-footer{width:min(1080px,calc(100% - 40px));margin:42px auto 0;padding:23px 0 28px;display:flex;align-items:center;gap:24px;border-top:1px solid var(--hair);font-size:12px;color:var(--ink-3)}.footer-brand{font-weight:700;color:var(--ink-2)}.site-footer nav{display:flex;flex-wrap:wrap;gap:20px}.site-footer>a:last-child{margin-left:auto}.site-footer a:hover{color:var(--acc-ink)}
@media(max-width:980px){.site-nav{gap:14px}.site-nav nav a{padding-inline:10px}.brand small{display:none}.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.download-help{gap:32px}.hero{padding-top:58px}}
@media(max-width:640px){.site-nav{top:10px;margin-top:10px;min-height:58px;padding-left:13px;gap:8px}.site-nav nav{display:none}.brand{font-size:17px;gap:8px}.brand-mark{width:30px;height:30px}.login-link{display:none}.nav-actions .button{font-size:12px;padding-inline:13px}.page-wrap{width:calc(100% - 32px)}.hero{padding:46px 0}.hero h1{font-size:37px}.hero p{font-size:15px;line-height:1.85}.mobile-break{display:block}.section-heading{align-items:flex-start;gap:12px}.section-heading h2{font-size:21px}.section-heading p{font-size:13px}.section-heading>a{font-size:12px;white-space:normal;text-align:right;max-width:86px;flex-shrink:0}.release-notice{font-size:12px;line-height:1.8}.platform-grid{gap:12px}.platform-card{padding:18px;border-radius:21px}.card-top{flex-wrap:wrap;gap:10px;margin-bottom:15px}.platform-icon{width:46px;height:46px;border-radius:14px}.platform-icon svg{width:25px;height:25px}.platform-card h3{font-size:20px}.platform-card>p{font-size:13px}.platform-card>small{font-size:11.5px;line-height:1.7}.status{font-size:11px;padding:3px 7px}.package-actions{padding-top:20px}.package-actions .button{font-size:12px;padding-inline:12px;min-height:44px}.download-help{grid-template-columns:1fr;gap:20px;padding:48px 0 35px}.download-help h2{font-size:23px}.download-help>div>p br{display:none}.bottom-note{flex-wrap:wrap;padding:23px;gap:14px}.bottom-note>div{flex:1;min-width:0}.bottom-note h2{font-size:17px}.bottom-note p{font-size:13px}.bottom-note .button{margin-left:0;width:100%}.site-footer{width:calc(100% - 32px);flex-wrap:wrap;gap:16px;margin-top:30px}.site-footer>a:last-child{margin-left:0;width:100%}}
@media(max-width:640px){.hero-break{display:block}.hero-web-link{display:flex;width:fit-content;margin:8px auto 0}}
@media(max-width:350px){.platform-grid{grid-template-columns:1fr}.hero h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
@media(prefers-reduced-transparency:reduce){.glass{background:#faf9fc;backdrop-filter:none;-webkit-backdrop-filter:none}}
.install-link{font-size:12px;color:var(--acc-ink);margin-top:12px;min-height:30px;display:inline-flex;align-items:center}.install-link:hover{color:var(--acc)}
.mini-code{border:0;width:100%;margin-top:auto;padding-top:24px}.mini-code summary.button{display:inline-flex;padding:10px 18px;min-height:44px;font-size:13px}.mini-code summary::after{display:none}.mini-code figure{margin:18px 0 0;padding:14px;background:white;border:1px solid var(--hair);border-radius:16px;text-align:center}.mini-code img{display:block;width:100%;max-width:250px;height:auto;margin:auto}.mini-code figcaption{font-size:12px;color:var(--ink-2);margin:12px 0}.mini-code .text-link{font-size:12px}
.install-notes{margin:0 0 40px}.install-notes h2{font-size:23px}.install-notes details p{max-width:800px}.install-notes details:target{background:var(--acc-wash);border-radius:12px;padding:0 14px}.checksum-note{font-size:13px;color:var(--ink-2)}
.platform-grid{align-items:stretch}.platform-card{min-height:310px}
/* Platform identity: consistent white tiles, original vector marks, no external CDN. */
.platform-card{text-align:center;align-items:stretch;min-height:382px;padding:26px;border-radius:28px}.card-top{position:relative;justify-content:center;align-items:center;min-height:112px;margin-bottom:22px}.card-top>.status{position:absolute;top:0;right:0}.platform-icon{width:104px;height:104px;border-radius:28px;background:#fff;box-shadow:0 10px 28px -14px rgba(45,48,95,.2),inset 0 0 0 1px rgba(30,35,70,.035)}.platform-glyph{display:block;width:53px;height:53px;background:currentColor;-webkit-mask:var(--platform-symbol) center/contain no-repeat;mask:var(--platform-symbol) center/contain no-repeat}.platform-macos{--platform-symbol:url('/download/icons/apple.svg');color:#242427}.platform-windows{--platform-symbol:url('/download/icons/windows.svg');color:#0078d4}.platform-web{--platform-symbol:url('/download/icons/globe.svg');color:var(--acc)}.platform-android{--platform-symbol:url('/download/icons/android.svg');color:#3ddc84}.platform-android .platform-glyph{width:70px;height:70px}.platform-wechat{--platform-symbol:url('/download/icons/wechat.svg');color:#07c160}.platform-wechat .platform-glyph{width:59px;height:59px}.platform-ios{--platform-symbol:url('/download/icons/app-store.svg')}.platform-ios .platform-glyph{display:grid;place-items:center;width:70px;height:70px;border-radius:19px;background:linear-gradient(160deg,#2497ff,#1664ec);-webkit-mask:none;mask:none}.platform-ios .platform-glyph::before{content:"";width:45px;height:45px;background:#fff;-webkit-mask:var(--platform-symbol) center/contain no-repeat;mask:var(--platform-symbol) center/contain no-repeat}.package-actions{justify-content:center;margin-inline:auto}.platform-card>.install-link{justify-content:center}.platform-card>small{line-height:1.75}.mini-code summary.button{margin-inline:auto}.mini-code figure{text-align:center}
@media(max-width:640px){.platform-card{padding:18px;min-height:355px;border-radius:23px}.card-top{min-height:125px;flex-direction:column;gap:12px;margin-bottom:18px}.card-top>.status{position:static}.platform-icon{width:84px;height:84px;border-radius:24px}.platform-glyph{width:45px;height:45px}.platform-android .platform-glyph{width:59px;height:59px}.platform-wechat .platform-glyph{width:50px;height:50px}.platform-ios .platform-glyph{width:58px;height:58px;border-radius:16px}.platform-ios .platform-glyph::before{width:37px;height:37px}}
.android-guide{scroll-margin-top:100px;margin:24px 0;padding:24px;border:1px solid var(--hair);border-radius:20px;background:rgba(255,255,255,.55)}.android-guide:target{border-color:rgba(91,91,214,.4)}.android-guide h3{font-size:19px;margin:0 0 8px}.android-guide>p,.android-guide li{color:var(--ink-2);font-size:14px;line-height:1.85}.android-guide ol{padding-left:24px;margin:16px 0}.android-guide li{padding:4px 0 4px 4px}.android-guide li strong{color:var(--ink)}.android-guide video{display:block;width:100%;max-width:360px;max-height:560px;margin:0 auto 16px;border-radius:14px;background:#111}.android-guide details{border-bottom:0}.android-guide details p{padding-right:0}.android-guide .text-link{white-space:normal}.android-guide .guide-safety{padding:12px 16px;border-radius:12px;background:var(--acc-wash)}@media(max-width:640px){.android-guide{padding:18px}}