/* Shared layout overrides, loaded after page-specific styles. */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7}
main{outline:none}
main [id]{scroll-margin-top:28px}
.rd-container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
main h1,main h2,main h3{text-wrap:balance}
main h1{line-height:1.22}
main h2{line-height:1.4}
main div{min-width:0}
main p{max-width:100%}
main img{max-width:100%;height:auto}
main .rd-hero-grid>*,main .rd-hero-inner>*{min-width:0}
.rd-primary-button,.rd-secondary-button{min-height:48px;line-height:1.5;text-decoration:none}
.rd-skip-link{position:fixed;left:16px;top:12px;z-index:2000;padding:10px 18px;border-radius:10px;background:#fff;color:#1d4ed8;transform:translateY(-180%);opacity:0}
.rd-skip-link:focus{transform:translateY(0);opacity:1}
.rd-page-toc{padding:24px 0;border-block:1px solid #e4ebf5;background:#f8faff}
.rd-toc-label{margin:0 0 12px;color:#475569;font-size:13px;font-weight:700;letter-spacing:.04em}
.rd-toc-panel summary{color:#334155;font-size:14px;font-weight:700;cursor:pointer;line-height:1.7;min-height:24px}
.rd-toc-panel[open] summary{margin-bottom:14px}
.rd-toc-links{display:flex;flex-wrap:wrap;gap:9px}
.rd-toc-links a{display:block;padding:8px 13px;background:white;border:1px solid #dce6f4;border-radius:9px;color:#334155;font-size:13px;line-height:1.6;text-decoration:none;max-width:100%;overflow-wrap:anywhere;transition:background .2s,border-color .2s}
.rd-toc-links a:hover,.rd-toc-links a[aria-current="location"]{color:#1d4ed8;background:#edf4ff;border-color:#a9c8f4}
.rd-download-section{padding:64px 0;background:linear-gradient(180deg,#f8faff,#f1f6fd)}
.rd-download-grid{gap:20px;align-items:stretch;grid-template-columns:repeat(4,minmax(0,1fr))}
.rd-download-grid .rd-download-card{display:flex;flex-direction:column;padding:24px;background:#fff;border:1px solid #dbe6f5;border-radius:18px;box-shadow:0 6px 24px rgba(30,64,110,.035)}
.rd-download-grid .rd-download-card h3{font-size:18px;line-height:1.5;min-height:54px;margin:0 0 12px;text-wrap:initial}
.rd-download-grid .rd-download-card p{margin:0 0 16px;font-size:14px;line-height:1.8}
.rd-download-grid .rd-download-card .rd-download-compatibility{flex:1;padding:14px;border-radius:10px;background:#f1f6fe;font-size:14px;margin:0 0 18px;color:#475569!important}
.rd-card-actions{margin-top:auto;padding-top:4px}
.rd-download-card .rd-card-actions .rd-primary-button{display:flex;width:100%;margin:0;padding:12px 8px;min-height:48px;font-size:13px;white-space:normal;align-self:stretch;background:#2563eb;color:#fff;border-radius:10px;box-shadow:0 6px 16px rgba(37,99,235,.14)}
.rd-download-card .rd-card-actions .rd-primary-button:hover{background:#1d4ed8}
.rd-download-card .rd-card-actions details{margin-top:16px;line-height:1.65}
.rd-download-card .rd-card-actions summary{font-size:12px;line-height:1.8;color:#2563eb}
.rd-download-card .rd-card-actions details p{font-size:12px;overflow-wrap:anywhere;margin:10px 0}
.rd-download-card .rd-card-actions details code{max-width:100%;font-size:11px}
.rd-platform-download-action{display:flex!important;flex-direction:column;align-items:center;justify-content:center;gap:14px;margin:32px auto 0!important;padding:26px 24px;background:#f4f8ff;border:1px solid #e0eafa;border-radius:16px;text-align:center;width:100%}
.rd-platform-download-action .rd-primary-button{display:inline-flex;width:auto;min-width:248px;max-width:100%;margin:0;align-self:center;padding:13px 24px;box-shadow:0 6px 18px rgba(37,99,235,.16)}
.rd-platform-download-action p{margin:0!important;font-size:14px;line-height:1.8;color:#64748b}
.rd-platform-card{min-width:0;transition:box-shadow .2s,border-color .2s}
.rd-platform-card:hover{border-color:#a9c8f4;box-shadow:0 8px 24px rgba(30,64,110,.08)}
.rd-related-reading{padding:30px 0;margin-top:24px;background:#f8faff;border-top:1px solid #e4ebf5}
.rd-related-links{display:flex;flex-wrap:wrap;gap:12px 24px}
.rd-related-links a{font-size:14px;color:#2563eb;text-decoration:underline;text-underline-offset:4px}
.rd-reference-sources{padding:24px 0;border-top:1px solid #e4ebf5;background:#fff}
.rd-reference-links{display:flex;flex-wrap:wrap;gap:10px 22px}
.rd-reference-links a{color:#2563eb;font-size:13px;line-height:1.8;text-decoration:underline;text-underline-offset:4px}
.rd-reference-note{margin:12px 0 0;color:#64748b;font-size:12px;line-height:1.8}
.rd-android-preview::before,.rd-ios-preview::before,.rd-linux-preview::before{right:0}
.rd-site-nav a[aria-current="location"],.rd-site-mobile-nav a[aria-current="location"]{color:#2563eb;background:#eff6ff}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #2563eb;outline-offset:4px}
@media(max-width:1050px){.rd-download-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){
 .rd-android-preview::before,.rd-ios-preview::before,.rd-linux-preview::before{right:0}
 .rd-container{width:calc(100% - 32px)}
 .rd-page-toc{padding:20px 0}
 .rd-toc-links{gap:8px}
 .rd-toc-links a{font-size:12px;padding:7px 10px}
 .rd-download-section{padding:40px 0}
 .rd-download-grid{grid-template-columns:1fr;gap:16px}
 .rd-download-grid .rd-download-card{padding:22px}
 .rd-download-grid .rd-download-card h3{min-height:0;font-size:19px}
 .rd-platform-download-action{padding:22px 16px;margin-top:24px!important}
 .rd-platform-download-action .rd-primary-button{width:100%;min-width:0;font-size:14px;padding:13px 12px}
 .rd-related-links{flex-direction:column;gap:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}