*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#1a202c;line-height:1.7;background:#f0f5fc}
header{background:#2b6cb0;color:#fff;padding:48px 20px;text-align:center}header img{width:72px;height:72px;border-radius:16px}
h1{margin:12px 0 4px;font-size:30px}.claim{font-size:19px;opacity:.95}
.btn{display:inline-block;margin-top:22px;padding:12px 26px;border-radius:10px;background:#fff;color:#2b6cb0;font-weight:700;text-decoration:none}
main{max-width:860px;margin:0 auto;padding:28px 20px}section{background:#fff;border-radius:12px;padding:20px 24px;margin-bottom:18px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
h2{font-size:20px;margin:0 0 8px;color:#2b6cb0}img.shot{width:100%;height:auto;border:1px solid #d5deea;border-radius:8px;margin-top:8px}
footer{text-align:center;color:#718096;font-size:13px;padding:24px 16px}footer a{color:#2b6cb0}.todo{background:#fff3cd;padding:0 4px}
@media(max-width:600px){h1{font-size:24px}.claim{font-size:16px}section{padding:16px}}