/* xingyilife.store — 暗色极简，无动效 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #121417;
  color: #ffffff;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
}

main {
  flex: 1;
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.brand {
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #a0a5ab;
  margin-bottom: 2rem;
  text-align: center;
}

.product-visual {
  width: 100%;
  aspect-ratio: 4 / 5;
  max-height: 22rem;
  margin: 0 auto 2rem;
  background: linear-gradient(165deg, #1a1d22 0%, #121417 45%, #0d0f12 100%);
  border: 1px solid #2a2e35;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5c6168;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

h1 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 0.75rem;
  text-align: center;
}

.intro {
  color: #a0a5ab;
  font-size: 0.9rem;
  text-align: center;
  margin: 0 0 1.75rem;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.price {
  text-align: center;
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 2rem;
}

.price span {
  color: #a0a5ab;
  font-size: 0.85rem;
  margin-left: 0.35rem;
}

.btn {
  display: block;
  width: 100%;
  max-width: 18rem;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  text-align: center;
  font: inherit;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #121417;
  background: linear-gradient(180deg, #c8cdd4 0%, #9aa2ac 100%);
  border: 1px solid #8b929b;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  filter: brightness(1.05);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-width: 18rem;
  margin: 0 auto;
}

.btn--ghost {
  background: transparent;
  color: #c8cdd4;
  border-color: #5a6068;
}

footer.disclaimer {
  margin-top: auto;
  padding: 1.5rem 1.25rem 2rem;
  border-top: 1px solid #2a2e35;
  font-size: 0.72rem;
  line-height: 1.65;
  color: #6d737c;
  text-align: center;
  max-width: 44rem;
  margin-left: auto;
  margin-right: auto;
}

/* checkout form */
.form-grid label {
  display: block;
  margin-bottom: 1rem;
}

.form-grid span {
  display: block;
  font-size: 0.72rem;
  color: #a0a5ab;
  margin-bottom: 0.35rem;
  letter-spacing: 0.04em;
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font: inherit;
  font-size: 0.9rem;
  color: #fff;
  background: #1a1d22;
  border: 1px solid #3d434c;
  border-radius: 0;
}

.form-grid textarea {
  min-height: 5rem;
  resize: vertical;
}

.form-grid input:focus,
.form-grid textarea:focus {
  outline: 1px solid #6d737c;
  outline-offset: 0;
}

.hint {
  font-size: 0.75rem;
  color: #6d737c;
  margin-bottom: 1.25rem;
}

.err {
  color: #c49a9a;
  font-size: 0.8rem;
  margin-bottom: 1rem;
  display: none;
}

.err.is-visible {
  display: block;
}

.success-panel {
  text-align: center;
  padding: 2rem 0;
}

.success-panel h1 {
  margin-bottom: 1rem;
}

.success-panel p {
  color: #a0a5ab;
  font-size: 0.9rem;
  margin: 0.5rem 0;
}

.root-links {
  text-align: center;
  padding: 4rem 1rem;
}

.root-links a {
  display: block;
  margin: 1.25rem auto;
  max-width: 16rem;
  color: #c8cdd4;
  text-decoration: none;
  border-bottom: 1px solid #3d434c;
  padding-bottom: 0.25rem;
  font-size: 0.95rem;
}

.root-links a:hover {
  color: #fff;
}