/* ========== 案例展示区块 | 2026-09-17 ==========
 * 模板：template-parts/block/case.php（查询仍走文章分类 cases + 区块字段）
 * 作用：白底、左标题右导语、错落拼图叠字、底部分类/标题
 */

/**
 * 文件作用：案例列表区块：定义展示样式。主题覆盖版，保持当前布局。
 */

.cases-block {
    padding: 5.5rem 0;
    background: #fff;
    color: #1c334f;
    scroll-margin-top: 96px;
}
.cases-block-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2.5rem;
    margin-bottom: 3rem;
}
.cases-block-title {
    margin: 0;
    max-width: 12ch;
    font-size: clamp(2rem, 3.6vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: #1c334f;
}
.cases-block-lead {
    max-width: 32rem;
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
    color: #5f738a;
}
.cases-block-lead p {
    margin-bottom: 0.5rem;
}
.cases-block-lead p:last-child {
    margin-bottom: 0;
}
.cases-block-grid {
    display: grid;
    gap: 14px;
}
.cases-block-card {
    position: relative;
    display: block;
    min-height: 240px;
    overflow: hidden;
    color: #fff;
    text-decoration: none;
    isolation: isolate;
    background: var(--bs-primary);
}
.cases-block-card:hover,
.cases-block-card:focus-visible {
    color: #fff;
}
.cases-block-card picture,
.cases-block-card .cases-block-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.cases-block-card .cases-block-image {
    object-fit: cover;
    object-position: center;
    transform: scale(1.03);
    transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.cases-block-card:hover .cases-block-image,
.cases-block-card:focus-visible .cases-block-image {
    transform: scale(1.1);
}
.cases-block-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.875rem;
}
.cases-block-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 35%, rgba(var(--bs-primary-rgb), 0.78) 100%);
}
.cases-block-body {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    display: block;
    padding: 1.25rem 1.5rem 1.5rem;
}
.cases-block-cat {
    display: block;
    margin-bottom: 0.4rem;
    letter-spacing: 0.18em;
    font-size: 11px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
}
.cases-block-name {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    color: #fff;
}
.cases-block-grid.is-n-3 .cases-block-card:first-child .cases-block-name,
.cases-block-grid.is-n-4 .cases-block-card:first-child .cases-block-name,
.cases-block-grid.is-n-5 .cases-block-card:first-child .cases-block-name,
.cases-block-grid.is-n-6 .cases-block-card:first-child .cases-block-name,
.cases-block-grid.is-n-6 .cases-block-card:nth-child(6) .cases-block-name {
    font-size: clamp(1.5rem, 2.2vw, 2.25rem);
}
.cases-block-actions {
    display: flex;
    justify-content: center;
    margin-top: 2.75rem;
}
.cases-block-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 168px;
    min-height: 46px;
    padding: 0 26px;
    border: 1px solid var(--bs-primary);
    border-radius: 0;
    background: transparent;
    color: var(--bs-primary);
    font-size: 15px;
    font-weight: 500;
}
.cases-block-more:hover,
.cases-block-more:focus,
.cases-block-more:active {
    background: var(--bs-primary);
    border-color: var(--bs-primary);
    color: #fff;
}
.cases-block-empty {
    text-align: center;
    padding: 3rem 0;
    color: #5f738a;
}
@media (min-width: 576px) and (max-width: 991.98px) {
    .cases-block-grid {
        grid-template-columns: 1fr 1fr;
    }
    .cases-block-card {
        min-height: 260px;
    }
    .cases-block-grid.is-n-3 .cases-block-card:first-child,
    .cases-block-grid.is-n-4 .cases-block-card:first-child,
    .cases-block-grid.is-n-5 .cases-block-card:first-child,
    .cases-block-grid.is-n-6 .cases-block-card:first-child,
    .cases-block-grid.is-n-more .cases-block-card:first-child {
        grid-column: 1 / -1;
        min-height: 320px;
    }
}
@media (min-width: 992px) {
    .cases-block-grid.is-n-1 .cases-block-card {
        min-height: 420px;
    }
    .cases-block-grid.is-n-2 {
        grid-template-columns: 1.35fr 1fr;
    }
    .cases-block-grid.is-n-2 .cases-block-card {
        min-height: 420px;
    }
    .cases-block-grid.is-n-3 {
        grid-template-columns: 1.35fr 1fr;
        grid-template-rows: 280px 280px;
    }
    .cases-block-grid.is-n-3 .cases-block-card:first-child {
        grid-row: 1 / span 2;
    }
    .cases-block-grid.is-n-4 {
        grid-template-columns: 1.35fr 1fr 1fr;
        grid-template-rows: 280px 280px;
    }
    .cases-block-grid.is-n-4 .cases-block-card:first-child {
        grid-row: 1 / span 2;
    }
    .cases-block-grid.is-n-5 {
        grid-template-columns: 1.35fr 1fr 1fr;
        grid-template-rows: 280px 280px 260px;
    }
    .cases-block-grid.is-n-5 .cases-block-card:first-child {
        grid-row: 1 / span 2;
    }
    .cases-block-grid.is-n-5 .cases-block-card:nth-child(5) {
        grid-column: 1 / -1;
    }
    .cases-block-grid.is-n-6 {
        grid-template-columns: 1.35fr 1fr 1fr;
        grid-template-rows: 300px 300px 260px;
    }
    .cases-block-grid.is-n-6 .cases-block-card:first-child {
        grid-row: 1 / span 2;
    }
    .cases-block-grid.is-n-6 .cases-block-card:nth-child(6) {
        grid-column: 1 / -1;
    }
    .cases-block-grid.is-n-more {
        grid-template-columns: 1.35fr 1fr 1fr;
        grid-auto-rows: 260px;
    }
    .cases-block-grid.is-n-more .cases-block-card:first-child {
        grid-row: 1 / span 2;
    }
}
@media (max-width: 991.98px) {
    .cases-block {
        padding: 3.5rem 0;
    }
    .cases-block-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        margin-bottom: 1.75rem;
    }
    .cases-block-title {
        max-width: none;
    }
}
@media (max-width: 767.98px) {
    .cases-block-grid {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }
    .cases-block-card {
        min-height: 240px;
    }
}