:root{color:var(--tg-theme-text-color,#172033);background:var(--tg-theme-bg-color,#f3f6fb);font-synthesis:none;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}*{box-sizing:border-box}body{background:var(--tg-theme-bg-color,#f3f6fb);min-width:320px;min-height:100vh;margin:0}button,a{font:inherit}button{cursor:pointer;border:0}.random-page{--accent:#2563eb;--accent-soft:#dbeafe;min-height:100vh;padding:max(24px, env(safe-area-inset-top)) 18px max(24px, env(safe-area-inset-bottom));background:radial-gradient(circle at 50% 10%, var(--accent-soft), #f8fafc 58%);place-items:center;display:grid}.random-page.tone-green{--accent:#059669;--accent-soft:#d1fae5}.random-page.tone-purple{--accent:#7c3aed;--accent-soft:#ede9fe}.random-page.tone-orange{--accent:#ea580c;--accent-soft:#ffedd5}.random-card{text-align:center;background:rgba(255,255,255,.92);border:1px solid 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