/* 客户案例：列表页 + 详情页（主色 #e00012） */

/* ===== 列表页 ===== */
.case-wrap {
    padding-bottom: 60px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    display: block;
    background: #fff;
    border: 1px solid #ececec;
    overflow: hidden;
    text-decoration: none !important;
    transition: .3s;
}

.case-card:hover {
    border-color: #e00012;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .08);
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
}

.case-card-img {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    background: -webkit-linear-gradient(135deg, #e00012 0%, #8d000b 100%);
    background: linear-gradient(135deg, #e00012 0%, #8d000b 100%);
}

.case-card-img img {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 无封面时的占位：取标题首字 */
.case-card-ph {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 46px;
    font-weight: bold;
    color: rgba(255, 255, 255, .92);
    letter-spacing: 2px;
}

.case-card-bd {
    padding: 20px 22px 22px;
}

.case-card-bd h3 {
    display: -webkit-box;
    margin: 0 0 10px;
    min-height: 52px;
    line-height: 26px;
    font-size: 18px;
    font-weight: bold;
    color: #333;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-card:hover .case-card-bd h3 {
    color: #e00012;
}

.case-card-sum {
    display: -webkit-box;
    min-height: 48px;
    margin: 0;
    line-height: 24px;
    font-size: 14px;
    color: #979797;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-card-foot {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid #f2f2f2;
}

.case-card-date {
    font-size: 13px;
    color: #bbb;
}

.case-card-more {
    font-size: 14px;
    color: #e00012;
}

.case-card-more i {
    display: inline-block;
    margin-left: 4px;
    font-style: normal;
    transition: .25s;
}

.case-card:hover .case-card-more i {
    -webkit-transform: translateX(5px);
    transform: translateX(5px);
}

.case-empty-box {
    padding: 70px 0;
    text-align: center;
    font-size: 15px;
    color: #979797;
}

/* ===== 详情页 ===== */
.case-dtl-cover {
    position: relative;
    height: 260px;
    margin-bottom: 28px;
    overflow: hidden;
    border-radius: 4px;
    background: -webkit-linear-gradient(135deg, #e00012 0%, #8d000b 100%);
    background: linear-gradient(135deg, #e00012 0%, #8d000b 100%);
}

.case-dtl-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-dtl-body {
    font-size: 16px;
    line-height: 1.9;
    color: #444;
}

.case-dtl-body p {
    margin: 0 0 16px;
    line-height: 1.9 !important;
}

.case-dtl-body img {
    display: block;
    max-width: 100% !important;
    height: auto !important;
    margin: 18px auto;
    border-radius: 4px;
}

.case-dtl-body h2,
.case-dtl-body h3,
.case-dtl-body h4 {
    margin: 26px 0 12px;
    font-weight: bold;
    color: #222;
}

.case-dtl-body h3 {
    font-size: 18px;
}

.case-dtl-body ul,
.case-dtl-body ol {
    margin: 0 0 16px;
    padding-left: 24px;
}

.case-dtl-body li {
    margin-bottom: 8px;
}

.case-dtl-body table {
    width: 100% !important;
    max-width: 100%;
    margin: 18px 0;
    border-collapse: collapse;
}

.case-dtl-body table td,
.case-dtl-body table th {
    padding: 8px 10px;
    border: 1px solid #e8e8e8;
    font-size: 14px;
}

.case-dtl-body blockquote {
    margin: 18px 0;
    padding: 12px 18px;
    border-left: 4px solid #e00012;
    background: #fafafa;
    color: #666;
}

/* 内容为空时的提示 */
.case-empty-tip {
    padding: 46px 24px;
    border: 1px dashed #e0e0e0;
    border-radius: 4px;
    background: #fafafa;
    text-align: center;
    color: #979797;
}

.case-empty-tip .t {
    margin-bottom: 8px;
    font-size: 16px;
    color: #666;
}

.case-empty-tip .btn {
    display: inline-block;
    margin-top: 16px;
    padding: 9px 26px;
    border-radius: 3px;
    background: #e00012;
    color: #fff !important;
    text-decoration: none !important;
}

/* 其他案例 */
.case-related {
    margin-top: 54px;
    padding-top: 34px;
    border-top: 1px solid #ececec;
}

.case-related-t {
    margin-bottom: 24px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: #333;
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .case-grid {
        gap: 22px;
    }
}

@media (min-width: 769px) and (max-width: 992px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .case-wrap {
        padding-bottom: 34px;
    }

    .case-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .case-card-img {
        padding-top: 50%;
    }

    .case-card-ph {
        font-size: 38px;
    }

    .case-card-bd {
        padding: 16px 16px 18px;
    }

    .case-card-bd h3 {
        min-height: 0;
        line-height: 24px;
        font-size: 16px;
    }

    .case-card-sum {
        min-height: 0;
        line-height: 22px;
        font-size: 13px;
        -webkit-line-clamp: 3;
    }

    .case-dtl-cover {
        height: 160px;
        margin-bottom: 18px;
    }

    .case-dtl-body {
        font-size: 15px;
    }

    .case-related {
        margin-top: 34px;
        padding-top: 24px;
    }

    .case-related-t {
        margin-bottom: 16px;
        font-size: 17px;
    }
}