/* 图片加水印 */
.form-color{width:2.5rem;height:2rem;padding:0;border:1px solid #dee2e6;border-radius:.375rem;background:#fff}
.pos-grid{display:grid;grid-template-columns:repeat(3,1.75rem);gap:.25rem}
.pos-cell{width:1.75rem;height:1.75rem;border:1px solid #dee2e6;border-radius:.25rem;background:#fbfcfe;cursor:pointer;padding:0}
.pos-cell:hover{border-color:#adb5bd}
.pos-cell.is-on{background:var(--site-primary);border-color:var(--site-primary);position:relative}
.pos-cell.is-on:after{content:"";position:absolute;inset:.55rem;border-radius:50%;background:#fff}
.wm-stage{display:flex;align-items:center;justify-content:center;padding:1rem;border:1px solid #eef1f5;border-radius:.6rem;
  background:linear-gradient(45deg,#f7f8fa 25%,transparent 25%,transparent 75%,#f7f8fa 75%),
             linear-gradient(45deg,#f7f8fa 25%,#fff 25%,#fff 75%,#f7f8fa 75%);
  background-size:16px 16px;background-position:0 0,8px 8px}
.wm-stage canvas{display:block;max-width:100%;max-height:26rem;border-radius:.375rem;box-shadow:0 1px 4px rgba(16,24,40,.08)}