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piece.king.black{background-image:url(data:image/svg+xml;base64,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)}.chessboard.feimi-board{--board-light: #fff3c7;--board-dark: #6f8b93;--board-frame: #282833;--board-focus: #f9c622;--board-threat: #e9674b;position:relative;display:block;width:100%;max-width:100%;aspect-ratio:1;border:6px solid var(--board-frame);border-radius:20px;background:var(--board-frame);box-shadow:0 8px #2828332e,0 18px 36px -22px #282833b3;overflow:hidden;touch-action:manipulation}.feimi-board .cg-host,.feimi-board .cg-wrap{width:100%;height:100%}.feimi-board cg-board{background-color:var(--board-light);background-image:repeating-conic-gradient(var(--board-dark) 0% 25%,var(--board-light) 0% 50%);background-size:25% 25%;background-position:0 0}.feimi-board cg-board square.last-move{background-color:#f9c62280}.feimi-board cg-board square.selected{background-color:#f9c6229e;box-shadow:inset 0 0 0 4px #28283340}.feimi-board cg-board square.move-dest{background:radial-gradient(#28283352 21%,#28283300 22%)}.feimi-board cg-board square.oc.move-dest{background:radial-gradient(transparent 0%,transparent 76%,rgba(233,103,75,.55) 78%)}.feimi-board cg-board square.move-dest:hover{background:#f9c62273}.feimi-board cg-board square.check{background:radial-gradient(ellipse at center,#e9674bf2,#e9674bbf 28%,#e9674b00 72%);animation:feimi-check 1.1s ease-in-out 3}.feimi-board piece{cursor:grab}.feimi-board piece.dragging{cursor:grabbing;filter:drop-shadow(0 8px 10px rgba(40,40,51,.4))}.feimi-board.is-locked piece,.feimi-board.is-view piece{cursor:default}.feimi-board .cg-wrap coords{font-family:inherit;font-size:9px;font-weight:800}.feimi-board .cg-wrap coords coord{opacity:.95}.feimi-board .orientation-white .ranks :nth-child(odd),.feimi-board .orientation-white .files :nth-child(2n),.feimi-board .orientation-black .ranks :nth-child(2n),.feimi-board .orientation-black .files :nth-child(odd){color:#3d4b50}.feimi-board .orientation-white .ranks :nth-child(2n),.feimi-board .orientation-white .files :nth-child(odd),.feimi-board .orientation-black .ranks :nth-child(odd),.feimi-board .orientation-black .files :nth-child(2n){color:#fff6dc}.feimi-board .board-keys{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:grid;grid-template-rows:repeat(8,minmax(0,1fr));pointer-events:none}.feimi-board .board-keys-row{display:grid;grid-template-columns:repeat(8,minmax(0,1fr))}.feimi-board .board-keys button{margin:0;padding:0;border:0;border-radius:6px;background:transparent;color:transparent;font-size:0;pointer-events:none;cursor:default}.feimi-board.is-picking .board-keys{pointer-events:auto}.feimi-board.is-picking .board-keys button{pointer-events:auto;cursor:pointer}.feimi-board.is-picking .board-keys button:hover{background:#f9c62257}.feimi-board .board-keys button:focus-visible{outline:4px solid #2f6fb5;outline-offset:-4px}.feimi-board .board-fx{position:absolute;top:0;right:0;bottom:0;left:0;z-index:6;pointer-events:none}.feimi-board .board-star{position:absolute;width:0;height:0}.feimi-board .board-star i{position:absolute;left:-.5em;top:-.6em;font-size:22px;font-style:normal;color:var(--board-focus);text-shadow:0 0 3px rgba(40,40,51,.6);transform:rotate(var(--angle)) translateY(0) scale(.5);animation:feimi-star .75s ease-out forwards}.feimi-board.is-nudging{animation:feimi-nudge .42s ease-in-out}@keyframes feimi-star{0%{opacity:1;transform:rotate(var(--angle)) translateY(0) scale(.5)}to{opacity:0;transform:rotate(var(--angle)) translateY(-64px) scale(1.1)}}@keyframes feimi-nudge{0%,to{transform:translate(0)}20%{transform:translate(-7px) rotate(-.6deg)}55%{transform:translate(6px) rotate(.5deg)}80%{transform:translate(-3px)}}@keyframes feimi-check{0%,to{opacity:1}50%{opacity:.45}}.feimi-board .board-promotion{position:absolute;top:14%;right:6%;bottom:14%;left:6%;z-index:8;display:grid;align-content:center;gap:16px;padding:20px;border:4px solid var(--board-focus);border-radius:22px;background:#fff8e5;color:#292a35;box-shadow:0 16px 40px #15152273;text-align:center}.feimi-board .board-promotion strong{font-size:17px}.feimi-board .board-promotion-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.feimi-board .board-promotion-row button{display:grid;place-items:center;gap:4px;padding:12px 6px;border:2px solid #e3d5ae;border-radius:14px;background:#fff;color:#292a35;font-size:13px;font-weight:700;cursor:pointer;transition:transform .16s ease,border-color .16s ease}.feimi-board .board-promotion-row button:hover{transform:translateY(-2px);border-color:var(--board-focus)}.feimi-board .board-promotion-row .promotion-piece{width:42px;height:42px;background-size:cover}.feimi-board .board-promotion>button:last-child{border:0;background:none;color:#6d6352;font-size:12px;cursor:pointer}@media (max-width: 650px){.chessboard.feimi-board{border-width:5px;border-radius:16px}.feimi-board .board-promotion{top:10%;right:5%;bottom:10%;left:5%;padding:14px;gap:12px}}