/* H5 领取页：单列居中，移动端优先，蓝色单色强调 */
.claim-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px;
}

.brand {
  color: var(--ink-900);
}

.brand:hover {
  text-decoration: none;
}

.topbar-link {
  font-size: 12px;
  color: var(--ink-400);
}

.topbar-link:hover {
  color: var(--blue-700);
  text-decoration: none;
}

.claim-main {
  display: flex;
  flex: 1;
  justify-content: center;
  padding: 16px 20px 48px;
}

.claim-shell {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 560px;
}

.claim-card,
.result-card {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue-700);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-1);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue-700);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--blue-700);
}

.claim-title {
  margin-top: 12px;
  font-size: 27px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.claim-lede {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-500);
}

.claim-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.claim-field {
  position: relative;
  display: block;
}

.claim-field-icon {
  position: absolute;
  top: 50%;
  left: 15px;
  transform: translateY(-50%);
  color: var(--ink-400);
  pointer-events: none;
}

.claim-field .input {
  height: 50px;
  padding-left: 44px;
  font-size: 15px;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.claim-field .input::placeholder {
  font-family: var(--font);
  letter-spacing: 0;
  font-size: 14px;
}

.claim-form .btn-lg {
  margin-top: 2px;
}

.spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.is-loading .spinner {
  display: inline-block;
}

.is-loading .btn-text {
  opacity: 0.85;
}

.claim-alert {
  margin-top: 16px;
}

.privacy-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-400);
}

.privacy-note svg {
  margin-top: 2px;
}

.privacy-note strong {
  color: var(--ink-500);
  font-family: var(--font-mono);
  font-weight: 500;
}

/* 领取结果 */
.result-card {
  animation: pop-in 0.18s ease-out;
}

.result-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.result-code {
  padding: 3px 8px;
  border-radius: 4px;
  background: #f4f7fb;
  color: var(--ink-400);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.result-title {
  margin-top: 16px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
}

.result-sub {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-500);
}

.result-media {
  margin-top: 18px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f6f8fc;
}

.result-media img {
  width: 100%;
  max-height: 300px;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 4px;
}

.result-text {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-900);
  white-space: pre-line;
  word-break: break-word;
}

.result-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.result-meta dt {
  font-size: 12px;
  color: var(--ink-400);
}

.result-meta dd {
  margin-top: 3px;
  font-size: 13px;
  color: var(--ink-700);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.result-actions {
  display: flex;
  gap: 10px;
  margin-top: 26px;
}

.foot-note {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-400);
}

.claim-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 24px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--ink-400);
}

.claim-footer .mono {
  letter-spacing: 0.12em;
}

.claim-footer .dot {
  color: var(--line-strong);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 14px 16px;
  }

  .claim-main {
    padding: 8px 16px 32px;
  }

  .claim-card,
  .result-card {
    padding: 28px 22px;
    border-radius: 10px;
  }

  .claim-title {
    font-size: 23px;
  }

  .claim-form {
    margin-top: 24px;
  }

  .result-meta {
    grid-template-columns: 1fr;
  }
}