#page-main .page-layout {
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

#page-main .page-main {
    flex: 1 1 0;
    min-width: 0;
    padding: 26px;
    background: #fff;
    border: 1px solid #e5e9ec;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(20, 35, 30, 0.035);
}





.common500-heading {
    margin: 0 0 28px;
    padding: 0 0 22px;
    border-bottom: 1px solid #e8ecea;
}

.common500-eyebrow {
    display: inline-block;
    margin: 0 0 10px;
    padding: 5px 11px;
    color: #086144;
    background: #edf6f1;
    border-radius: 4px;
    font-size: 13px;
    line-height: 1.5;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.common500-heading h1 {
    margin: 0 0 14px;
    color: #202923;
    font-size: 30px;
    line-height: 1.4;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.common500-intro {
    margin: 0;
    color: #5d6862;
    font-size: 15px;
    line-height: 1.9;
}



.common500-groups {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.common500-stroke-group {
    min-width: 0;
    scroll-margin-top: 90px;
}

.common500-group-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 14px;
    padding: 0 0 11px;
    border-bottom: 2px solid #086144;
}

.common500-group-heading h2 {
    margin: 0;
    color: #202923;
    font-size: 21px;
    line-height: 1.5;
    font-weight: 700;
}

.common500-group-count {
    flex: 0 0 auto;
    padding: 4px 10px;
    color: #086144;
    background: #edf6f1;
    border-radius: 4px;
    font-size: 13px;
    line-height: 1.5;
}



.common500-char-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
}

.common500-char-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 112px;
    padding: 10px 5px;
    color: #000;
    background: #fff;
    border: 1px solid #000;
    border-radius: 5px;
    text-align: center;
    text-decoration: none;
    transition:
        background-color 0.18s ease,
        color 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}


.common500-char-item .common500-char-zhuyin {
    display: block;
    max-width: 100%;
    margin: 0;
    color: #333;
    font-size: 12px;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

/* 漢字 */
.common500-char-item .common500-char-name {
    display: block;
    margin: 4px 0;
    color: #000;
    font-size: 30px;
    line-height: 1.4;
    font-weight: 600;
}


.common500-char-item:hover,
.common500-char-item:focus,
.common500-char-item:focus-visible {
    color: #fff;
    background: #086144;
    border-color: #086144;
    text-decoration: none;
    outline: none;
    box-shadow: 0 3px 9px rgba(8, 97, 68, 0.16);
}

.common500-char-item:hover .common500-char-name,
.common500-char-item:hover .common500-char-zhuyin,
.common500-char-item:focus .common500-char-name,
.common500-char-item:focus .common500-char-zhuyin,
.common500-char-item:focus-visible .common500-char-name,
.common500-char-item:focus-visible .common500-char-zhuyin {
    color: #fff;
}


.common500-char-item:active {
    background: #064b35;
    border-color: #064b35;
    color: #fff;
}


.common500-about {
    margin-top: 36px;
    padding: 24px 0 0;
    border-top: 1px solid #e5e9ec;
}

.common500-about h2 {
    margin: 0 0 16px;
    color: #202923;
    font-size: 22px;
    line-height: 1.6;
    font-weight: 700;
}

.common500-about p {
    margin: 0 0 16px;
    color: #4f5b54;
    font-size: 15px;
    line-height: 2;
    overflow-wrap: anywhere;
}

.common500-about p:last-child {
    margin-bottom: 0;
}



@media (max-width: 991.98px) {
    #page-main .page-layout {
        gap: 18px;
    }

    #page-main .page-main {
        padding: 22px;
    }

    .common500-char-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 9px;
    }

    .common500-char-item {
        min-height: 104px;
    }

    .common500-char-item .common500-char-name {
        font-size: 28px;
    }

    .common500-heading h1 {
        font-size: 27px;
    }
}



@media (max-width: 767.98px) {
    #page-main {
        padding: 12px 0 30px;
    }

    #page-main .breadcrumb-wrap {
        margin-bottom: 12px;
    }

    #page-main .breadcrumb {
        padding: 9px 12px;
        font-size: 13px;
    }

    #page-main .page-layout {
        display: block;
    }

    #page-main .page-main {
        width: 100%;
        padding: 18px 14px;
        border-radius: 6px;
    }

    .common500-heading {
        margin-bottom: 22px;
        padding-bottom: 18px;
    }

    .common500-heading h1 {
        margin-bottom: 10px;
        font-size: 25px;
    }

    .common500-intro {
        font-size: 14px;
        line-height: 1.85;
    }

    .common500-groups {
        gap: 23px;
    }

    .common500-group-heading {
        margin-bottom: 12px;
    }

    .common500-group-heading h2 {
        font-size: 19px;
    }

    .common500-char-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
    }

    .common500-char-item {
        min-height: 98px;
        padding: 8px 3px;
    }

    .common500-char-item .common500-char-name {
        font-size: 27px;
    }

    .common500-char-item .common500-char-zhuyin {
        font-size: 11px;
    }

    .common500-about {
        margin-top: 28px;
        padding-top: 20px;
    }

    .common500-about h2 {
        font-size: 20px;
    }

    .common500-about p {
        font-size: 14px;
        line-height: 1.9;
    }
}

/* 小尺寸手機 */
@media (max-width: 380px) {
    #page-main .page-main {
        padding: 15px 10px;
    }

    .common500-char-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
    }

    .common500-char-item {
        min-height: 94px;
    }

    .common500-char-item .common500-char-name {
        font-size: 26px;
    }
}

/* 尊重使用者減少動態效果的偏好 */
@media (prefers-reduced-motion: reduce) {
    .common500-char-item {
        transition: none;
    }
}