:root{--brand:#0757c7;--brand-light:#168ee8;--ink:#10213d;--muted:#687891;--line:rgba(7,87,199,.13);--surface:rgba(255,255,255,.95);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#eef5ff}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:radial-gradient(circle at 12% 8%,rgba(42,153,234,.2),transparent 30%),radial-gradient(circle at 92% 14%,rgba(48,94,213,.11),transparent 27%),linear-gradient(155deg,#fcfeff 0%,#edf6ff 56%,#f9fcff 100%);-webkit-font-smoothing:antialiased}button,a,select{font:inherit}.page{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:max(22px,env(safe-area-inset-top)) 20px max(22px,env(safe-area-inset-bottom))}.download-card{width:min(100%,760px);padding:24px;border:1px solid rgba(255,255,255,.95);border-radius:29px;background:var(--surface);box-shadow:0 26px 76px rgba(17,80,160,.17);text-align:center;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:32px}.download-layout{display:grid;grid-template-columns:minmax(0,1fr) 224px;gap:30px;align-items:center;margin-top:10px}.download-main{min-width:0}.mini-brand{display:inline-flex;align-items:center;gap:7px;color:#4a607b;font-size:12px;font-weight:750;text-decoration:none}.mini-brand img{width:27px;height:27px;border-radius:8px;object-fit:cover}.language{max-width:132px;padding:6px 25px 6px 9px;border:1px solid var(--line);border-radius:9px;color:#64748b;background:rgba(255,255,255,.82);font-size:12px;outline:none}.app-logo{display:block;width:104px;height:104px;margin:14px auto;border-radius:25px;object-fit:cover;box-shadow:0 15px 36px rgba(7,87,199,.2)}.eyebrow{margin:0 0 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img{width:188px;height:188px;object-fit:contain;border-radius:10px;background:#fff}.desktop-qr strong{font-size:17px}.desktop-qr span{color:#718095;font-size:12px}.wechat-guide{display:none;position:fixed;z-index:20;top:max(12px,env(safe-area-inset-top));left:16px;right:16px;max-width:430px;margin:auto;padding:16px 52px 14px 18px;border-radius:16px;color:#fff;background:rgba(15,31,54,.96);box-shadow:0 16px 42px rgba(0,0,0,.28);text-align:left}.wechat-guide.is-visible{display:block}.wechat-guide strong{display:block;font-size:16px}.wechat-guide p{margin:5px 0 0;color:#d8e3ef;font-size:12px;line-height:1.5}.wechat-arrow{position:absolute;top:4px;right:15px;font-size:34px;line-height:1}.debug{display:none;margin-top:14px;padding:10px;border-radius:10px;color:#51657a;background:#eef5fa;font-size:11px;line-height:1.45;text-align:left;white-space:pre-wrap;overflow-wrap:anywhere}.debug.is-visible{display:block}[dir=rtl] .debug{text-align:right}@media(max-width:680px){.download-card{width:min(100%,430px)}.download-layout{display:block;margin-top:0}.desktop-qr{display:none}}@media(max-width:380px){.page{padding:10px}.download-card{padding:20px 18px;border-radius:24px}.mini-brand span{display:none}.app-logo{width:92px;height:92px;border-radius:22px}.store-list{grid-template-columns:1fr}}