:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#17243d;background:#f3f5fb}*{box-sizing:border-box}body{margin:0;padding:24px}main{max-width:760px;margin:auto;padding:34px;border:1px solid #e1e5f0;border-radius:28px;background:#fff;box-shadow:0 18px 55px #42527812}.mark{display:grid;width:54px;height:54px;place-items:center;border-radius:18px;color:#fff;font-weight:900;background:linear-gradient(145deg,#8f87ef,#5759d5)}h1{margin:22px 0 8px;font-size:28px}h2{margin:24px 0 8px;font-size:17px}p{color:#53627d;font-size:14px;line-height:1.85}.meta{color:#929db1;font-size:12px}.notice{margin:18px 0;padding:14px;border:1px solid #f1dca7;border-radius:14px;color:#7f642f;background:#fff7df;font-size:13px;line-height:1.7}.open-button{display:inline-flex;margin:16px 0;padding:13px 18px;border-radius:14px;color:#fff;text-decoration:none;font-size:14px;font-weight:800;background:#5759d5}hr{margin:30px 0;border:0;border-top:1px solid #e7eaf2}nav{display:flex;flex-wrap:wrap;gap:9px}nav a{padding:9px 11px;border-radius:11px;color:#5759d5;text-decoration:none;background:#eeeeff;font-size:12px}footer{margin-top:26px;color:#929db1;font-size:11px;text-align:center}@media(max-width:600px){body{padding:0;background:#fff}main{padding:24px;border:0;border-radius:0;box-shadow:none}h1{font-size:24px}}