:root{color-scheme:light;--ink:#0b1c44;--muted:#657798;--blue:#1765f5;--blue-dark:#0759e6;--line:#dfe9f6;--soft:#eef6ff;--white:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
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a{margin:0 3px}
.wechat-note.in-wechat{background:#ddecff;border-color:#cbdfff}
@media(max-width:950px){.page-shell{padding:0 14px}.site-header{margin-top:14px}.hero{grid-template-columns:44% 56%}.hero-copy{padding-left:36px}.hero h1{font-size:clamp(32px,4.5vw,45px)}.hero-summary{font-size:16px}.hero-meta{font-size:12px;gap:9px}.download-section,.guide-section{padding-left:36px;padding-right:36px}.steps-list li{font-size:14px;gap:9px}.steps-list li:not(:last-child):after{margin-left:10px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.download-button{transition:none}}
