.gomoku-container{display:flex;flex-direction:column;align-items:center;padding:var(--space-5);background:var(--color-gray-100);min-height:100vh}.gomoku-header{display:flex;flex-direction:column;align-items:center;gap:15px;margin-bottom:var(--space-5)}.gomoku-header h2{color:#333;margin:0}.controls{display:flex;gap:10px}.controls select,.restart-btn{padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);border:1px solid #ddd;background:#fff;cursor:pointer;font-size:var(--text-sm)}.restart-btn{background:#1890ff;color:#fff;border:none}.restart-btn:hover{background:#40a9ff}.game-status{margin-bottom:var(--space-5);font-size:18px;font-weight:700;color:#333}.winner-banner{color:#cf1322;animation:bounce .5s infinite alternate}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-5px)}}.board-wrapper{padding:var(--space-5);background:#dcb35c;border-radius:4px;box-shadow:0 4px var(--space-3) #0003}.gomoku-board{position:relative;width:450px;height:450px;display:flex;flex-direction:column}.grid-row{display:flex;height:30px}.grid-cell{width:30px;height:30px;box-sizing:border-box;border-right:1px solid #333;border-bottom:1px solid #333}.grid-row:first-child .grid-cell{border-top:1px solid #333}.grid-cell:first-child{border-left:1px solid #333}.interaction-layer{position:absolute;top:-15px;left:-15px;width:calc(100% + 30px);height:calc(100% + 30px);display:flex;flex-direction:column}.interaction-row{display:flex;height:30px}.interaction-cell{width:30px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:var(--radius-full)}.interaction-cell:hover{background:#fff3}.piece{width:var(--space-6);height:var(--space-6);border-radius:var(--radius-full);box-shadow:2px 2px 4px #0000004d;position:relative}.piece.black{background:radial-gradient(circle at 30% 30%,#666,var(--color-black))}.piece.white{background:radial-gradient(circle at 30% 30%,var(--color-white),#ddd)}.piece.last-move:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:6px;height:6px;background:red;border-radius:var(--radius-full)}@media (max-width: 500px){.gomoku-board{width:300px;height:300px}.grid-row,.interaction-row{height:var(--space-5)}.grid-cell,.interaction-cell{width:var(--space-5);height:var(--space-5)}.interaction-layer{top:-10px;left:-10px;width:calc(100% + var(--space-5));height:calc(100% + var(--space-5))}.piece{width:var(--space-4);height:var(--space-4)}}