/* 有用連結頁：單一面板 + 列式連結 */
.usefullink-page-section {
    padding-top: 1.875rem;
    padding-bottom: 1.875rem;
}

.usefullink-page {
    max-width: var(--container-max);
    margin: 0 auto;
}

.usefullink-panel {
    background: transparent;
    overflow: hidden;
}

.usefullink-block {
    padding: calc(var(--space-lg) / 2);
}

.usefullink-block__title {
    margin: 0 0 var(--space-md);
    padding-bottom: 0;
    font-size: var(--fs-md);
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
    color: var(--color-text);
}

.usefullink-rows {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xs);
}

.usefullink-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    background: var(--color-bg-soft);
    border: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.usefullink-row:hover {
    background: var(--color-primary-light);
    border-color: var(--color-estate-border);
    color: var(--color-primary-dark);
}

.usefullink-row__text {
    flex: 1 1 auto;
    min-width: 0;
    font-size: var(--fs-sm);
    line-height: 1.5;
    text-align: left;
    word-break: break-word;
}

.usefullink-row__icon {
    flex: 0 0 auto;
    width: 1rem;
    height: 1rem;
    opacity: 0.45;
    transition: opacity var(--transition), transform var(--transition);
}

.usefullink-row:hover .usefullink-row__icon {
    opacity: 1;
    transform: translateX(0.125rem);
}

@media (min-width: 768px) {
    .usefullink-block {
        padding: calc(var(--space-xl) / 2);
    }

    .usefullink-block__title {
        font-size: var(--fs-lg);
    }

    .usefullink-row__text {
        font-size: var(--fs-base);
    }

    /* 政府、發展商：平板雙欄；桌面政府三欄、發展商三欄 */
    .usefullink-block:nth-child(1) .usefullink-rows,
    .usefullink-block:nth-child(2) .usefullink-rows {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-sm);
    }

    /* 公共服務、交通、學校：並排三欄區塊 */
    .usefullink-panel {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .usefullink-block:nth-child(1),
    .usefullink-block:nth-child(2) {
        grid-column: 1 / -1;
    }
}

@media (min-width: 1025px) {
    .usefullink-block:nth-child(1) .usefullink-rows {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .usefullink-block:nth-child(2) .usefullink-rows {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}