@font-face{font-family:Inter;src:url('assets/inter-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('assets/inter-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:Inter;src:url('assets/inter-latin-700-normal.woff2') format('woff2');font-weight:700;font-display:swap}
:root{font-family:Inter,'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;color:#102b50;background:#fff;font-synthesis:none;--blue:#1765f6;--muted:#697b99;--line:#e1eaf5}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;min-width:280px}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #507eff;outline-offset:5px}button,a{touch-action:manipulation}img{display:block;max-width:100%}[hidden]{display:none!important}
.skip-link{position:fixed;top:12px;left:12px;padding:12px 18px;background:white;z-index:10;transform:translateY(-150%)}.skip-link:focus{transform:none}
.page-art{position:absolute;inset:0 0 auto;height:970px;z-index:-1;pointer-events:none;background:#f7fbff url('assets/background.png') center 56%/cover no-repeat}
.site-header{max-width:1264px;margin:auto;min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0}
.brand{display:flex;align-items:center;gap:20px;flex-shrink:0}.brand img{border-radius:15px}.brand span{font-size:32px;letter-spacing:-.9px;font-weight:700}.site-header nav{display:flex;gap:64px;align-items:center;font-size:19px;font-weight:600}.site-header nav a{position:relative;padding:12px 0}.site-header nav a:after{content:'';height:3px;position:absolute;left:0;right:0;bottom:0;background:var(--blue);transform:scaleX(0);transition:transform .2s}.site-header nav a:hover{color:var(--blue)}.site-header nav a.active:after{transform:scaleX(1)}
main{max-width:1064px;margin:auto}.intro{text-align:center;padding:20px 0 35px}.eyebrow{font-size:14px;letter-spacing:6px;color:#377af8;margin:0 0 22px;font-weight:500}h1{font-size:51px;line-height:1.4;letter-spacing:-1.8px;margin:0;font-weight:700;color:#091f43}.intro-copy{font-size:22px;line-height:1.8;color:#586d8d;margin:16px 0 0}
.downloads{background:#fffffff5;border-radius:16px;padding:24px;box-shadow:0 6px 28px #24498606;scroll-margin-top:24px}.download-row{display:grid;grid-template-columns:70px minmax(0,1fr) 96px 284px;column-gap:24px;align-items:center;min-height:123px;padding:18px 24px;border-bottom:1px solid var(--line)}.download-row:last-child{border-bottom:0}.download-row.featured{background:#eef6ff;border-radius:8px 8px 0 0}.platform-icon{width:60px;height:60px}.platform-copy h2{font-size:28px;line-height:1.3;letter-spacing:-.6px;margin:0 0 7px;font-weight:600;color:#081e40}.platform-copy p{font-size:18px;line-height:1.5;color:var(--muted);margin:0}.platform-copy p span{padding:0 4px}.version{justify-self:start;font-size:16px;color:#405779;background:#f0f6fc;border-radius:24px;padding:7px 19px;white-space:nowrap}.featured .version{background:#e8f0fa}.download-button{border:1.5px solid var(--blue);border-radius:9px;color:var(--blue);font-size:20px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:12px;min-height:64px;padding:12px 15px;white-space:nowrap;transition:background .18s,box-shadow .18s,transform .18s}.download-button:hover{background:#edf4ff;box-shadow:0 4px 12px #1765f612;transform:translateY(-1px)}.download-button:active{transform:translateY(0)}.download-button.primary{background:var(--blue);color:#fff}.download-button.primary img{filter:brightness(0) invert(1)}.download-button.primary:hover{background:#0c54dc}
.guide{margin-top:24px;background:#eef6fdd9;border-radius:14px;padding:25px 40px 27px;text-align:center}.guide h2{font-size:27px;line-height:1.5;margin:0 0 20px;font-weight:700;color:#0a2042}.steps{display:grid;grid-template-columns:1fr 1fr;list-style:none;padding:0;margin:0}.steps li{display:flex;align-items:center;justify-content:center;gap:26px;font-size:21px;line-height:1.6}.steps li+li{border-left:1px solid #d5e5fb}.steps li>span:last-child{border-left:1px solid #a5c4fa;padding-left:20px}.step-number{display:grid;place-items:center;background:#dcecff;color:var(--blue);width:52px;height:52px;border-radius:50%;font-weight:600;font-size:29px;flex-shrink:0}.steps img{flex-shrink:0;width:38px;height:38px}.release-note{text-align:center;color:#7889a1;font-size:12px;line-height:1.7;margin:14px 0 22px}footer{max-width:1264px;margin:0 auto;border-top:1px solid var(--line);padding:24px 16px 28px;text-align:center;color:#8295b1;font-size:14px;letter-spacing:2px;line-height:1.7}footer p{margin:0}footer p+p{font-size:13px;letter-spacing:1px;margin-top:4px}footer span{padding:0 6px}
.download-notice{position:fixed;z-index:5;bottom:24px;left:50%;transform:translateX(-50%);width:min(620px,calc(100% - 32px));background:#fff;border:1px solid #dce8f7;box-shadow:0 10px 50px #142c4a25;border-radius:14px;padding:20px;display:flex;gap:20px;align-items:center}.download-notice strong{font-size:16px}.download-notice p{font-size:13px;line-height:1.7;margin:7px 0 0;color:#586d8d}.notice-close{border:0;border-radius:7px;background:#edf4ff;color:#125be4;padding:12px 15px;white-space:nowrap;cursor:pointer}
@media(min-width:1600px){.site-header{margin-top:14px}.intro{padding-top:32px;padding-bottom:46px}.downloads{margin-top:10px}.guide{margin-top:28px}.release-note{margin-bottom:28px}}
@media(max-width:1340px){.site-header,footer{margin-left:6%;margin-right:6%}main{width:calc(100% - 80px);max-width:1064px}.site-header nav{gap:40px}h1{font-size:46px}.download-row{grid-template-columns:56px minmax(0,1fr) 75px 240px;gap:18px;padding:18px}.download-button{font-size:18px}.platform-copy p{font-size:16px}.steps li{gap:20px;font-size:19px}}
@media(max-width:900px){.site-header{min-height:94px;padding:20px 0}.brand{gap:12px}.brand img{width:44px;height:44px;border-radius:11px}.brand span{font-size:25px}.site-header nav{gap:24px;font-size:15px}main{width:calc(100% - 48px)}.intro{padding:24px 0 30px}h1{font-size:37px;letter-spacing:-1px}.intro-copy{font-size:17px}.eyebrow{font-size:12px;letter-spacing:4px}.downloads{padding:16px}.download-row{grid-template-columns:50px minmax(0,1fr) 200px;gap:16px;padding:22px 12px}.version{display:none}.platform-icon{width:46px;height:46px}.platform-copy h2{font-size:23px}.platform-copy p{font-size:13px}.download-button{font-size:16px;min-height:54px;gap:8px}.download-button img{width:22px;height:22px}.guide{padding:22px 16px}.guide h2{font-size:23px}.steps li{gap:13px;font-size:16px}.steps li>span:last-child{padding-left:12px}.steps img{width:28px;height:28px}.step-number{width:40px;height:40px;font-size:23px}}
@media(max-width:600px){html{scroll-padding-top:16px}.page-art{height:900px;background-size:auto 1000px;background-position:center 10%;opacity:.85}.site-header{margin:0 20px;min-height:84px;padding:18px 0;gap:10px}.brand{gap:9px}.brand img{width:34px;height:34px;border-radius:9px}.brand span{font-size:20px;letter-spacing:-.5px}.site-header nav{gap:16px;font-size:12px}.site-header nav a{padding:8px 0}.site-header nav a:after{height:2px}main{width:calc(100% - 32px)}.intro{padding:27px 3px 29px}.eyebrow{font-size:10px;letter-spacing:3px;margin-bottom:16px}h1{font-size:30px;line-height:1.45;letter-spacing:-1px;max-width:345px;margin:auto}.intro-copy{font-size:14px;line-height:1.9;margin:14px auto 0;max-width:335px}.downloads{padding:12px;border-radius:14px}.download-row{grid-template-columns:43px minmax(0,1fr) auto;gap:10px 13px;padding:20px 14px;min-height:0}.download-row.featured{border-radius:8px}.platform-icon{width:40px;height:40px}.platform-copy h2{font-size:23px;margin-bottom:4px}.platform-copy p{font-size:12px;line-height:1.7}.platform-copy p span{padding:0 1px}.version{display:block;align-self:start;margin-top:3px;font-size:10px;padding:5px 9px}.download-button{grid-column:1/-1;min-height:48px;margin-top:7px;font-size:15px;border-radius:8px}.download-button img{width:23px;height:23px}.guide{margin-top:18px;border-radius:12px;padding:22px 24px}.guide h2{font-size:21px;margin-bottom:18px}.steps{grid-template-columns:1fr;gap:18px;max-width:280px;margin:auto}.steps li{justify-content:flex-start;gap:18px;font-size:16px}.steps li+li{border-left:0}.steps li>span:last-child{padding-left:14px}.step-number{width:34px;height:34px;font-size:21px}.steps img{width:29px;height:29px}.release-note{font-size:10px;margin:14px 14px 22px;line-height:1.8}footer{margin:0 20px;padding:21px 0 25px;font-size:10px;letter-spacing:1.1px}footer p+p{font-size:11px;letter-spacing:.5px}.download-notice{bottom:16px;align-items:flex-start;gap:12px;padding:16px}.download-notice strong{font-size:14px}.download-notice p{font-size:12px}.notice-close{font-size:12px;padding:10px}}
@media(max-width:360px){.site-header{margin:0 16px}.brand span{font-size:18px}.brand img{width:30px;height:30px}.site-header nav{gap:12px;font-size:11px}h1{font-size:27px}.intro-copy{font-size:13px}.download-row{padding:18px 9px;gap:10px}.platform-copy h2{font-size:21px}.version{font-size:9px;padding:4px 6px}.steps li{gap:12px;font-size:14px}.guide{padding:22px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Match the selected concept's light artwork and compact desktop rhythm. */
body{position:relative;isolation:isolate}
.page-art{height:100%}
.site-header nav a{min-height:44px;display:flex;align-items:center}
h1 span,.intro-copy span{display:inline-block}
.platform-copy p .file-format{display:inline-block;white-space:nowrap;padding:0}
@media(max-width:600px){h1 span,.intro-copy span{display:block}}
@media(min-width:1341px) and (max-width:1599px){
 .page-art{height:100%;background-position:center 46%;opacity:.62}
 h1{font-size:58px;line-height:1.25}
 .download-row{min-height:118px}
 .guide{padding-top:22px;padding-bottom:23px}
 .release-note{margin-top:10px;margin-bottom:16px}
 footer{padding-top:20px;padding-bottom:20px}
}
.release-channel{display:flex;justify-content:center;gap:6px;margin:0 auto 18px}
.release-channel button{font:inherit;font-size:13px;cursor:pointer;border:1px solid #d6e4f5;border-radius:7px;background:#ffffffb8;color:#66819f;padding:8px 18px}
.release-channel button[aria-pressed=true]{background:#eaf3ff;color:#1768d4;border-color:#a8cafa}
.release-channel button:focus-visible{outline:3px solid #7cb2fa;outline-offset:3px}
.download-button[aria-disabled=true]{opacity:.5;cursor:default;box-shadow:none;pointer-events:none}