*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;background:#f7f9fc;color:#172742;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}main{text-align:center;padding:30px 20px}.spinner{display:block;margin:0 auto 22px;width:28px;height:28px;border:3px solid #e1e8f8;border-top-color:#345cf4;border-radius:50%;animation:turn .9s linear infinite}h1{font-size:20px;font-weight:600;margin:0 0 12px}p{font-size:13px;line-height:1.8;color:#7b879b}a{display:inline-block;color:#345cf4;text-decoration:none;font-size:14px;padding:12px}@keyframes turn{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}
main[hidden]{display:none!important}main{max-width:440px}.share-cover{display:block;margin:0 auto 22px;object-fit:cover;border-radius:12px}.share-label{color:#345cf4;font-size:12px}.share-instruction{background:#eaf0ff;border-radius:12px;padding:18px;margin:24px 0 18px;color:#2444b0;font-size:16px;line-height:1.8}.share-note{font-size:12px;color:#8993a5}