* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f2f4f7;
  color: #333;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.verify-box {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,.08);
  padding: 36px 40px 40px;
  width: 420px;
  text-align: center;
}
.verify-box h1 { font-size: 22px; font-weight: 600; }
.sub { color: #777; margin: 8px 0 24px; font-size: 14px; }
.captcha { text-align: center; margin-top: 4px; }
.captcha-msg { min-height: 20px; margin-top: 12px; font-size: 13px; color: #2f6fed; }
.captcha-msg.error { color: #d93026; }
.captcha-msg.loading { color: #999; }
.cf-turnstile { display: inline-block; }