/* 广告二维码生成器 */
.adqr-grid { display: grid; grid-template-columns: 400px minmax(0, 1fr); gap: 20px; align-items: start; }
.adqr-panel { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 20px; }
.adqr-section { margin-bottom: 18px; }
.adqr-section:last-child { margin-bottom: 0; }
.adqr-section h3 { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: .95rem; margin: 0 0 12px; }
.adqr-section h3 > span { display: inline-flex; align-items: center; gap: 6px; }
.adqr-section h3 i { color: var(--accent); }
.adqr-upload { border: 2px dashed var(--rule); border-radius: var(--radius-md); padding: 30px 16px; text-align: center; cursor: pointer; transition: all .2s ease; background: var(--bg2); }
.adqr-upload:hover, .adqr-upload.dragover { border-color: var(--accent); background: var(--accent-soft); }
.adqr-upload i:first-child { font-size: 2rem; color: var(--accent); }
.adqr-upload p { margin: 10px 0 6px; font-weight: 600; }
.adqr-hint { font-size: .8rem; color: var(--muted); }
.adqr-preview-img { margin-top: 14px; text-align: center; }
.adqr-preview-img img { max-width: 200px; max-height: 200px; border-radius: var(--radius-sm); border: 1px solid var(--rule); display: block; margin: 0 auto 10px; }
.adqr-form-group { margin-bottom: 14px; }
.adqr-form-group > label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 6px; }
.adqr-form-group input[type="url"], .adqr-form-group input[type="text"], .adqr-form-group select { width: 100%; padding: 9px 12px; border: 1px solid var(--rule); border-radius: var(--radius-sm); background: var(--bg); color: var(--ink); font-size: .9rem; box-sizing: border-box; }
.adqr-form-group input:focus, .adqr-form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.adqr-form-group input[type="range"] { width: 100%; accent-color: var(--accent); }
.adqr-form-hint { font-size: .75rem; color: var(--muted); margin: 4px 0 0; }
.adqr-color-group { display: flex; gap: 8px; }
.adqr-color-group input[type="color"] { width: 42px; height: 38px; padding: 2px; border: 1px solid var(--rule); border-radius: var(--radius-sm); background: var(--bg); cursor: pointer; flex-shrink: 0; }
.adqr-color-group input[type="text"] { flex: 1; min-width: 0; }
.adqr-preview-box { min-height: 420px; display: flex; align-items: center; justify-content: center; background: var(--bg2); border: 1px dashed var(--rule); border-radius: var(--radius-sm); padding: 20px; overflow: auto; }
.adqr-preview-box canvas { max-width: 100%; max-height: 460px; border-radius: 8px; }
.adqr-placeholder { text-align: center; color: var(--muted); }
.adqr-placeholder i { font-size: 3rem; color: var(--accent); display: block; margin-bottom: 12px; opacity: .7; }
.adqr-actions { display: flex; gap: 10px; margin-top: 16px; }
.adqr-actions .btn { flex: 1; justify-content: center; }

@media (max-width: 900px) {
  .adqr-grid { grid-template-columns: 1fr; }
}