.game-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.game-container {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: inline-block;
}

#game-board {
    display: grid;
    grid-template-columns: repeat(15, 40px);
    grid-template-rows: repeat(15, 40px);
    background-color: #DEB887;
    padding: 20px;
    border: 8px solid #8B4513;
    border-radius: 5px;
    margin: 20px auto;
    position: relative;
    box-shadow: 0 0 20px rgba(139, 69, 19, 0.2);
}

/* 修改棋盘网格样式 */
#game-board::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: 19px;
    bottom: 19px;
    background-image: 
        linear-gradient(to right, rgba(139, 69, 19, 0.5) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(139, 69, 19, 0.5) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* 添加额外的伪元素来绘制右边和下边的线 */
#game-board::after {
    content: '';
    position: absolute;
    top: 20px;
    right: 19px;
    bottom: 19px;
    width: 1px;
    background-color: rgba(139, 69, 19, 0.5);
}

.game-board-border {
    content: '';
    position: absolute;
    left: 20px;
    right: 19px;
    bottom: 19px;
    height: 1px;
    background-color: rgba(139, 69, 19, 0.5);
}

.cell {
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

/* 棋子样式 */
.cell.black::after,
.cell.white::after {
    content: '';
    position: absolute;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.cell.black::after {
    background: radial-gradient(circle at 30% 30%, #666, #000);
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

.cell.white::after {
    background: radial-gradient(circle at 30% 30%, #fff, #ddd);
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* 棋盘中心点标记 */
.cell[data-row="7"][data-col="7"]::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: #8B4513;
    border-radius: 50%;
}

/* 落子悬停效果 */
.cell:not(.black):not(.white):hover::after {
    content: '';
    position: absolute;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: currentColor;
    opacity: 0.2;
}

.game-status {
    font-size: 1.5rem;
    margin: 20px 0;
    color: #6a4a3c;
    font-weight: bold;
}

.game-controls {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.game-controls .btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 20px;
    font-size: 1.1rem;
}

.player-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 15px 0;
}

.player {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.player.active {
    background: #ffccd5;
    transform: scale(1.1);
}

/* 夜间模式适配 */
body.night .game-container {
    background: rgba(255, 255, 255, 0.1);
}

body.night .game-status {
    color: #fff;
}

body.night #game-board {
    background-color: #2d2d2d;
    border-color: #4a4a4a;
}

body.night #game-board::before {
    background-image: 
        linear-gradient(to right, rgba(74, 74, 74, 0.5) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(74, 74, 74, 0.5) 1px, transparent 1px);
}

body.night #game-board::after {
    background-color: rgba(74, 74, 74, 0.5);
}

body.night .game-board-border {
    background-color: rgba(74, 74, 74, 0.5);
}

body.night .cell[data-row="7"][data-col="7"]::before {
    background-color: #4a4a4a;
}

/* 添加动画效果 */
@keyframes piece-drop {
    0% { transform: scale(1.2); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.cell.black::after,
.cell.white::after {
    animation: piece-drop 0.3s ease-out;
}