:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color-scheme:light;--color-primary: #1965e5;--color-primary-hover: #1253c6;--color-text-main: #232325;--color-text-strong: #222226;--color-text-subtle: #50505a;--color-text-muted: #66666a;--color-text-secondary: #99999a;--color-surface: #ffffff;--color-surface-muted: #fcfcfd;--color-border: #e5e5ea;--shadow-card: 0 6px 16px rgba(0, 20, 49, .08);--shadow-card-hover: 0 10px 24px rgba(0, 20, 49, .12);--shadow-toolbar: 0 -8px 20px rgba(0, 20, 49, .12);--radius-large: 20px;--radius-medium: 10px;--radius-small: 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rgba(25,101,229,.24);outline-offset:3px}.platform-download-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}@media(min-width:768px)and (max-width:1023px){.slogan span.desktop-only{font-size:clamp(20px,3vw,28px);line-height:clamp(36px,4.5vh,48px);letter-spacing:12px}}@media(min-width:1024px)and (max-width:1439px){.slogan span.desktop-only{font-size:clamp(22px,2.6vw,30px);line-height:clamp(40px,4.8vh,52px);letter-spacing:12px}}@media(min-width:1440px){body{background-image:var(--bg-image, url(/images/background.png)),var(--bg-shadow, url(/images/shadow.png));background-position:center center,0 0;background-size:cover,100% auto;background-repeat:no-repeat,no-repeat}main{max-width:min(88vw,1360px);gap:clamp(12px,2vh,32px);padding-top:clamp(18px,2.2vh,36px);padding-bottom:clamp(18px,2.2vh,36px)}.hero-image img.desktop-only{max-width:min(100%,clamp(800px,68vw,1500px));max-height:clamp(300px,36vh,460px)}.platforms{gap:clamp(16px,2.5vw,28px)}.brand 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