/* 用户案例模块样式 - User Cases Section */
.user-cases-section {
}

.user-cases-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题区域 */
.user-cases-header {
    text-align: center;
    margin-bottom: 60px;
}

.user-cases-main-title {
    font-size: 48px;
    font-weight: 400;
    color: #1b5e20;
    margin-bottom: 20px;
    line-height: 1.1;
}

.user-cases-subtitle {
    font-size: 18px;
    color: #2e7d32;
    opacity: 0.9;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 0;
    max-width: 600px;
    margin: 0 auto;
}

/* 案例网格布局 */
.user-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

/* 单个案例项 */
.user-case-item {
    background: none;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
}

.user-case-item:hover {
    transform: translateY(-5px);
}

/* 案例图片容器 */
.user-case-image {
    width: 100%;
    height: 220px;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #4caf50, #81c784);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(76, 175, 80, 0.1);
    box-shadow: 0 8px 24px rgba(76, 175, 80, 0.1);
}

.user-case-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.user-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

/* 案例编号 */
.user-case-number {
    font-size: 3.5rem;
    font-weight: 100;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 20px;
    color: #1b5e20;
}

/* 案例标题 */
.user-case-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.3;
    color: #1b5e20;
}

/* 案例描述 */
.user-case-desc {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.8;
    margin-bottom: 20px;
    color: #1b5e20;
    text-align: left;
}

/* 案例结果 */
.user-case-result {
    font-size: 13px;
    opacity: 0.6;
    font-style: italic;
    color: #4caf50;
    font-weight: 500;
    text-align: left;
}

/* 响应式设计 - 移动端 */
@media (max-width: 768px) {
    .user-cases-section {
    }
    
    .user-cases-container {
        padding: 0 15px;
    }

    .user-cases-main-title {
        font-size: 32px;
        font-weight: 400;
        margin-bottom: 16px;
        color: #1b5e20;
        line-height: 1.4;
    }

    .user-cases-subtitle {
        font-size: 16px;
        font-weight: 400;
        margin-bottom: 40px;
        color: #2e7d32;
        line-height: 1.5;
    }

    .user-cases-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }

    .user-case-image {
        height: 180px;
    }

    .user-case-title {
        font-size: 18px;
    }

    .user-case-desc {
        font-size: 13px;
        line-height: 1.5;
    }

    .user-case-result {
        font-size: 12px;
    }
}

/* 响应式设计 - 平板端 */
@media (min-width: 769px) and (max-width: 1024px) {
    .user-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}