* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: #edf4ef;
  background: #101815;
  font:
    16px/1.6 system-ui,
    "Microsoft YaHei",
    sans-serif;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #36443c;
  padding: 18px max(6vw, 20px);
  color: #b7c6bc;
}
.brand {
  color: #edf4ef;
  text-decoration: none;
  font-weight: 750;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand b {
  display: grid;
  place-items: center;
  background: #83e9b2;
  color: #10271d;
  border-radius: 8px;
  width: 32px;
  height: 32px;
}
main {
  max-width: 560px;
  margin: clamp(32px, 9vh, 96px) auto;
  padding: 0 16px;
}
article {
  background: #1b2721;
  border: 1px solid #3b5043;
  border-radius: 18px;
  padding: clamp(22px, 5vw, 40px);
}
h1 {
  font-size: clamp(26px, 4vw, 34px);
  margin: 0;
  line-height: 1.22;
}
p {
  color: #b9c9bf;
  margin: 10px 0 20px;
}
strong {
  display: block;
  font-size: 32px;
  color: #a5f0c4;
}
label,
legend {
  display: block;
  font-weight: 600;
}
input[type="email"] {
  display: block;
  margin: 6px 0 16px;
  width: 100%;
  padding: 12px;
  background: #101915;
  border: 1px solid #64776b;
  border-radius: 8px;
  color: inherit;
  font: inherit;
}
fieldset {
  margin: 14px 0 20px;
  padding: 0;
  border: 0;
}
fieldset label {
  display: inline-flex;
  margin: 6px 16px 0 0;
  gap: 6px;
}
input[type="radio"] {
  accent-color: #67dc9e;
}
button,
.button {
  display: inline-block;
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 680;
  color: #10271b;
  background: #86e9b0;
  cursor: pointer;
  text-decoration: none;
}
.secondary {
  background: #344b3e;
  color: #e2f3e9;
}
button:disabled {
  opacity: 0.5;
  cursor: wait;
}
:focus-visible {
  outline: 2px solid #a3f3c0;
  outline-offset: 3px;
}
output {
  display: block;
  word-break: break-all;
  background: #101915;
  padding: 14px;
  margin: 14px 0;
  font: 600 18px/1.6 monospace;
}
details {
  border-top: 1px solid #3b5043;
  margin-top: 26px;
  padding-top: 16px;
}
summary {
  color: #b2e8c7;
  cursor: pointer;
}
details form {
  margin-top: 16px;
}
img {
  border-radius: 8px;
}
#message:empty {
  display: none;
}
#orderNo {
  overflow-wrap: anywhere;
  font-size: 13px;
}
[hidden] {
  display: none !important;
}
