* {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
      sans-serif;
    background: #f5f6f8;
    color: #1c1c1c;
  overflow-x: hidden;
  }
  
  .container {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 20px 48px;
  }
  
  .header h1 {
    margin: 0 0 8px;
    font-size: 28px;
  }
  
  .header p {
    margin: 0;
    color: #4a4a4a;
  }

  .header-actions {
    margin-top: 12px;
  }
  
  .card {
    margin-top: 24px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(18, 18, 18, 0.06);
  }
  
  .label {
    display: block;
    margin: 12px 0 8px;
    font-weight: 600;
  }
  
  textarea,
  input,
  select {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #d6d6d6;
    font-size: 14px;
    font-family: inherit;
  }
  
  .row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    margin-top: 12px;
  }
  
  .field {
    flex: 1;
  }
  
  .options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .option {
    display: inline-flex;
    align-items: center;
    padding: 0;
    border: none;
    background: transparent;
    font-size: 14px;
  }
  
  .option input[type="radio"] {
    margin: 0;
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }
  
  .option-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 92px;
    padding: 6px 10px;
    border-radius: 8px;
    background: #fff;
    color: #1c1c1c;
    font-weight: 600;
    border: 1px solid #d6d6d6;
    transition: background 0.15s ease, color 0.15s ease,
      border-color 0.15s ease;
  }
  
  .option input[type="radio"]:checked + .option-text {
    border-color: #2f6fed;
    background: #eef3ff;
    color: #1d3b8b;
  }
  
  button {
    border: none;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
  }

  .button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: none;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
  }
  
  button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
  }
  
  .primary {
    background: #2f6fed;
    color: #fff;
  }
  
  .status {
    margin-top: 12px;
    font-size: 14px;
    color: #4a4a4a;
  }
  
  .status.success {
    color: #1f8a4c;
  }
  
  .status.error {
    color: #d64545;
  }
  
  .status.info {
    color: #2f6fed;
  }

.share-link-row {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.share-link-label {
  font-weight: 600;
}

.share-link-text {
  margin: 8px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  background: #f7f8fb;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: inherit;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
  width: 100%;
  overflow-x: hidden;
}

.share-link-text code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
  
  .hidden {
    display: none;
  }
  
  .captcha {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .captcha-tip {
    margin: 0;
    color: #4a4a4a;
    font-size: 14px;
  }
  
  .captcha-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
  }
  
  .captcha-question {
    font-weight: 600;
    font-size: 16px;
  }
  
  .captcha-input {
    max-width: 140px;
  }

.key-input-row {
  width: 100%;
}

.key-input {
  width: 100%;
}

.key-action-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}
  
  .captcha-passed {
    opacity: 0.7;
  }
  
  .message {
    margin-top: 16px;
    padding: 14px;
    background: #f5f6ff;
    border-radius: 8px;
  }
  
  .message.hidden {
    display: none;
  }
  
  .message-content {
    white-space: pre-wrap;
    font-size: 15px;
    line-height: 1.5;
  }
  
  .message-meta {
    margin-top: 8px;
    font-size: 12px;
    color: #6a6a6a;
  }
  
  .message-meta.countdown {
    color: #d64545;
  }