/* ========== 案例卡片 (Case Card) ========== */
.cases-grid {
    max-width: 1200px;
    margin: 10px auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.case-card {
    position: relative;
}

.case-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    position: relative;
}

.case-image img {
    mask-image: radial-gradient(ellipse at center, black 60%, transparent 100%);
    width: auto;
    height: 100%;
    object-fit: contain;
}


.case-image.audio {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.case-image.health {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.case-image.appliance {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.case-image.digital {
    background: linear-gradient(135deg, #fa709a, #fee140);
}

.case-image.security {
    background: linear-gradient(135deg, #a8edea, #fed6e3);
}

.case-image.light {
    background: linear-gradient(135deg, #ff9a9e, #fecfef);
}

.case-image.tool {
    background: linear-gradient(135deg, #ffecd2, #fcb69f);
}

.case-image.art {
    background: linear-gradient(135deg, #96fbc4, #f9f586);
}
.case-image.blank {
    background: #fff;
}
.case-image.blank img {
    width: 50%;
    height: 100px;
}

.case-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0,0,0,0.2);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
}

.case-hot {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent-orange);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
}


.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.case-tag {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
}

.case-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.case-link {
    color: var(--accent-orange);
    font-size: 14px;
    font-weight: 500;
}



/* ============================================
   小屏手机优化 (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .case-card .case-top{
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
}