/* 彩票号码球样式 */
.lottery-ball {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    margin: 0 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 小号码球样式 */
.lottery-ball-small {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    margin: 0 5px;
}

.lottery-ball-primary {
    background: linear-gradient(135deg, #594ae2 0%, #7b68ee 100%);
}

.lottery-ball-secondary {
    background: linear-gradient(135deg, #f50057 0%, #ff4081 100%);
}

/* SVG图标颜色 - 使用filter实现颜色变换 */
.icon-primary {
    /* 紫色 #594ae2 的filter值 */
    filter: invert(35%) sepia(85%) saturate(2500%) hue-rotate(235deg) brightness(95%) contrast(90%);
}

.icon-secondary {
    /* 粉色 #f50057 的filter值 */
    filter: invert(20%) sepia(100%) saturate(7000%) hue-rotate(330deg) brightness(100%) contrast(100%);
}

/* 响应式调整 */
@media (max-width: 600px) {
    .lottery-ball {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
        margin: 0 6px;
    }

    .lottery-ball-small {
        width: 32px;
        height: 32px;
        font-size: 1rem;
        margin: 0 4px;
    }
}