:root {
  --red: #d7192a;
  --dark: #2f3136;
  --muted: #8f8f8f;
  --line: #cfcfcf;
  --green: #07833d;
  --danger: #d51b36;
  --page-max: 603px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: #fff;
  color: var(--dark);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

.site {
  width: 100%;
  max-width: var(--page-max);
  min-height: 100svh;
  margin: 0 auto;
  background: #fff;
  position: relative;
  overflow-x: hidden;
}

.brand-bar {
  width: 100%;
  background: #000;
}

.brand-bar img {
  display: block;
  width: 100%;
  height: auto;
}

.content {
  padding: 48px 30px 34px;
}

.verify-content h1 {
  margin: 0 0 25px 44px;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 800;
  color: #303238;
}

.intro {
  width: min(100%, 500px);
  margin: 0 auto;
  font-size: 22px;
  line-height: 1.55;
  color: #111;
}

.code-guide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: end;
  gap: 18px;
  width: min(100%, 360px);
  margin: 54px auto 50px;
}

.guide-item {
  margin: 0;
  text-align: center;
}

.guide-item figcaption {
  margin-top: 14px;
  color: #111;
  font-size: 17px;
  font-weight: 700;
}

.qr-demo {
  width: 109px;
  height: 109px;
  margin: 0 auto;
  border: 1px solid #ececec;
  background: #fff;
  position: relative;
  display: grid;
  place-items: center;
}

.qr-demo svg {
  width: 88px;
  height: 88px;
}

.scratch-line {
  position: absolute;
  left: 9px;
  right: 9px;
  bottom: 10px;
  height: 19px;
  border: 2px solid #c83347;
  border-radius: 50%;
  background: rgba(170, 170, 170, 0.35);
}

.box-demo {
  width: 134px;
  height: 116px;
  margin: 0 auto;
  position: relative;
}

.box-top {
  width: 118px;
  height: 21px;
  margin: 0 auto;
  background: #d5d5d5;
  border-radius: 0 0 14px 14px;
}

.box-neck {
  width: 45px;
  height: 49px;
  margin: -2px auto 0;
  background: linear-gradient(90deg, #eeeeee 0 48%, #d1d1d1 48% 100%);
  transform: perspective(70px) rotateX(5deg);
}

.box-body {
  width: 91px;
  height: 46px;
  margin: -2px auto 0;
  background: #cfd2d4;
  clip-path: polygon(10% 0, 90% 0, 100% 100%, 0 100%);
}

.code-bubble {
  position: absolute;
  left: 42px;
  top: -20px;
  width: 58px;
  height: 58px;
  border: 1.5px solid #c83347;
  border-radius: 50%;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333;
  font-size: 13px;
}

.red-pointer {
  position: absolute;
  left: 81px;
  top: 42px;
  width: 0;
  height: 0;
  transform: rotate(-42deg);
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-bottom: 26px solid #e2271d;
}

.small-ring {
  position: absolute;
  left: 92px;
  top: 49px;
  width: 25px;
  height: 25px;
  border: 1.5px solid #cf3d4f;
  border-radius: 50%;
}

.verify-form {
  margin-top: 0;
}

.serial-label {
  display: block;
  margin: 0 0 10px;
  font-size: 22px;
  color: #3f4146;
}

.serial-label span {
  color: #4b4d52;
  letter-spacing: 0.5px;
}

.code-input {
  display: block;
  width: 100%;
  height: 61px;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0 24px;
  outline: none;
  color: #3a3a3a;
  font-size: 20px;
  background: #fff;
}

.code-input::placeholder {
  color: #b6b6b6;
}

.code-input:focus {
  border-color: #9d9d9d;
}

.form-error {
  min-height: 23px;
  margin: 6px 0 0;
  color: var(--danger);
  font-size: 15px;
}

.primary-button,
.outline-button,
.modal-button {
  width: 100%;
  height: 61px;
  border-radius: 0;
  cursor: pointer;
}

.primary-button {
  border: 1px solid var(--red);
  background: var(--red);
  color: #fff;
  font-size: 22px;
}

.outline-button,
.modal-button {
  border: 1px solid #888;
  background: #fff;
  color: #1f1f1f;
  font-size: 24px;
}

.notes {
  margin: 16px 8px 0;
  color: #858585;
  font-size: 20px;
  line-height: 1.55;
  font-style: italic;
}

.notes p {
  margin: 0 0 5px;
}

.social-footer {
  margin-top: 58px;
  text-align: center;
  color: #858585;
}

.social-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 18px;
}

.wechat-icon,
.facebook-icon {
  width: 39px;
  height: 39px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}

.wechat-icon {
  background: #24b53e;
  font-size: 11px;
}

.facebook-icon {
  background: #2a5caa;
  font-family: Georgia, serif;
  font-size: 32px;
  line-height: 1;
}

.social-footer p {
  margin: 0;
  font-size: 18px;
}

.location-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.location-modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.68);
}

.modal-card {
  width: min(100%, 398px);
  background: #fff;
  position: relative;
  z-index: 1;
  padding: 45px 30px 30px;
  color: #333;
}

.modal-close {
  position: absolute;
  right: 30px;
  top: 28px;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.modal-close::before,
.modal-close::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  width: 4px;
  height: 38px;
  background: #8e8e8e;
  transform: rotate(45deg);
}

.modal-close::after {
  transform: rotate(-45deg);
}

.pin-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 22px;
  border: 4px solid #969696;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  position: relative;
}

.pin-icon::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 9px;
  width: 12px;
  height: 12px;
  border: 3px solid #969696;
  border-radius: 50%;
}

.pin-icon::after {
  content: "";
  position: absolute;
  left: -11px;
  top: 37px;
  width: 48px;
  height: 14px;
  border: 4px solid #969696;
  border-top: 0;
  border-radius: 0 0 50% 50%;
  transform: rotate(45deg);
}

.modal-card h2 {
  margin: 0 0 28px;
  font-size: 22px;
  font-weight: 400;
  line-height: 1.5;
}

.modal-button + .modal-button {
  margin-top: 16px;
}

.result-content {
  padding-top: 44px;
}

.result-content h1 {
  margin: 0 0 28px;
  font-size: 39px;
  line-height: 1.18;
  font-weight: 500;
  color: #303238;
}

.result-message {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin-bottom: 214px;
}

.result-message p {
  margin: 0;
  font-size: 25px;
  line-height: 1.45;
}

.status-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: block;
  position: relative;
}

.success-icon {
  border: 3px solid var(--green);
}

.success-icon::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 15px;
  width: 28px;
  height: 16px;
  border-left: 4px solid var(--green);
  border-bottom: 4px solid var(--green);
  transform: rotate(-45deg);
}

.danger-icon {
  border: 3px solid var(--danger);
}

.danger-icon::before {
  content: "!";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--danger);
  font-size: 45px;
  line-height: 1;
  font-weight: 300;
}

.danger-text {
  color: var(--danger);
}

.error-layout {
  grid-template-columns: 78px minmax(0, 1fr);
  align-items: center;
}

.error-layout .status-icon {
  width: 78px;
  height: 78px;
}

.error-layout p {
  color: #888;
  font-size: 20px;
}

.result-actions {
  width: calc(100% - 56px);
  margin: 0 auto;
}

.result-actions .outline-button {
  margin-top: 18px;
}

.single-action {
  margin-top: 0;
}

@media (max-width: 420px) {
  .verify-content h1 {
    margin-left: 10px;
    font-size: 28px;
  }

  .intro,
  .serial-label,
  .notes {
    font-size: 19px;
  }

  .code-guide {
    gap: 8px;
  }

  .result-content h1 {
    font-size: 34px;
  }

  .result-message p {
    font-size: 22px;
  }

}

@media (max-width: 350px) {
  .content {
    padding-left: 13px;
    padding-right: 13px;
  }

  .code-input {
    padding: 0 15px;
  }

  .modal-card {
    padding-left: 22px;
    padding-right: 22px;
  }
}