.four-column-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(250px, 1fr));
    gap: var(--space-3);
    max-width: 1400px;
    min-width: 1200px;
    margin: 0 auto;
    width: 100%;
}
.four-column-grid > * {
    min-width: 0; /* 防止子项在小屏下因内容导致溢出 */
}

@media (max-width: 1200px) {
    .four-column-grid {
        grid-template-columns: repeat(3, minmax(200px, 1fr));
        gap: 20px;
        padding: 0 24px;
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 900px) {
    .four-column-grid {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
        gap: var(--space-3);
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 600px) {
    .four-column-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        min-width: auto;
        width: 100%;
        padding: 0 16px;
    }
}

@media (max-width: 400px) {
    .four-column-grid {
        padding: 0 12px;
        gap: 12px;
    }
}

@media (max-width: 375px) {
    .four-column-grid {
        padding: 0 8px;
        gap: 8px;
    }
}

.three-column-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(250px, 1fr));
    gap: var(--space-3);
    max-width: 1400px;
    min-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

@media (max-width: 1200px) {
    .three-column-grid {
        grid-template-columns: repeat(3, minmax(200px, 1fr));
        gap: 20px;
        padding: 0 24px;
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 900px) {
    .three-column-grid {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
        gap: var(--space-3);
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 600px) {
    .three-column-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        min-width: auto;
        width: 100%;
        padding: 0 16px;
    }
}