#zlConverter {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: #333;
}

.zl-group {
  margin-bottom: 22px;
}

.zl-group-title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  font-size: 16px;
  font-weight: 600;
  color: #222;
  border-bottom: 2px solid #1890ff;
}

.zl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.zl-field {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.zl-label {
  margin-bottom: 6px;
  font-weight: 500;
  color: #555;
  font-size: 13px;
}

.zl-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 14px;
  line-height: 1.5;
  outline: none;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.zl-input:focus {
  border-color: #1890ff;
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.12);
}

.zl-input::placeholder {
  color: #bfbfbf;
}

.zl-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid #f0f0f0;
}

.zl-tip {
  margin: 0;
  color: #888;
  font-size: 13px;
  line-height: 1.5;
}

.zl-clear-btn {
  padding: 8px 24px;
  background: #f5f5f5;
  color: #333;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.zl-clear-btn:hover {
  background: #e6e6e6;
  border-color: #b3b3b3;
}

.zl-seo {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  margin: 32px 0 20px;
  padding: 24px;
  background: #f9f9f9;
  border: 1px solid #e6e6e6;
  border-radius: 6px;
  line-height: 1.65;
}

.zl-seo h2 {
  margin: 0 0 14px;
  padding-bottom: 8px;
  font-size: 18px;
  color: #222;
  border-bottom: 2px solid #1890ff;
}

.zl-seo h3 {
  margin: 20px 0 10px;
  font-size: 15px;
  color: #333;
}

.zl-seo p,
.zl-seo li {
  font-size: 14px;
  color: #444;
}

.zl-seo ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.zl-seo li {
  margin-bottom: 6px;
}

@media (max-width: 900px) {
  .zl-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .zl-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zl-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .zl-clear-btn {
    width: 100%;
  }
}

@media (max-width: 400px) {
  .zl-grid {
    grid-template-columns: 1fr;
  }
}