.circle-filled,
.circle-x {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--font-size-table);
    height: var(--font-size-table);
    border-radius: 50%;
    color: #000000;
    font-size: 0.8em;
    font-weight: normal;
    cursor: help;
    vertical-align: middle;
    margin-left: 0.2em;
    border: 1px solid #000000; /* 设置2像素宽的黑色边框 */
}

.circle-filled {
    background-color: #000000;
}

.circle-x {
    background-color: #ffffff;
}

.circle-x::before {
    content: '\00D7'; /* Unicode 乘号 */
    font-size: 0.8em;
    font-weight: normal;
    line-height: 1;
}

/* 针对英文环境的调整 */
:lang(en) .circle-x::before {
    font-size: 1em;
}