/* --- 案例展示模块1 样式开始 --- */
        .qlbd-case-1 {
            width: 100%;
            padding: 40px 20px;
            background-color: #f5f5f5;
        }

        .qlbd-case-1__main {
            max-width: var(--ql-container-width);
            margin: 0 auto;
        }

        /* 案例卡片容器 */
        .qlbd-case-1__grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
        }

        /* 单个案例卡片 */
        .qlbd-case-1__item {
            background-color: #ffffff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            /* 预设初始状态 + 硬件加速 */
            transform: translateY(0) scale(1.0); 
            will-change: transform, box-shadow;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            position: relative;
        }

        /* Hover 效果 */
        .qlbd-case-1__item:hover {
            transform: translateY(-8px); 
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
        }

        /* 案例图片区域 */
        .qlbd-case-1__image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .qlbd-case-1__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            /* 图片硬件加速 + 预设初始状态 */
            transform: translateZ(0) scale(1.0); 
            will-change: transform;
            transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .qlbd-case-1__item:hover .qlbd-case-1__image img {
            transform: translateZ(0) scale(1.15);
        }

        /* 图片渐变遮罩 */
        .qlbd-case-1__image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 40%;
            background: linear-gradient(to top, rgba(0,0,0,0.2), transparent);
            pointer-events: none;
        }

        /* 案例文字内容区域 */
        .qlbd-case-1__content {
            padding: 20px;
            position: relative;
            z-index: 1;
        }

        .qlbd-case-1__name {
            font-size: 18px;
            color: var(--ql-color-primary);
            margin-bottom: 10px;
            font-weight: 500;
            transition: color 0.3s 0.15s ease; 
        }

        .qlbd-case-1__item:hover .qlbd-case-1__name {
            color: #3d566e; 
        }

        .qlbd-case-1__desc {
            font-size: 14px;
            color: #777777;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3; 
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 查看更多按钮容器 */
        .qlbd-case-1__footer {
            text-align: center;
            margin-top: 48px;
        }

        .qlbd-case-1__more-btn {
            display: inline-block;
            padding: 12px 32px;
            background-color: transparent;
            color: var(--ql-color-primary);
            border: 2px solid var(--ql-color-primary);
            border-radius: 64px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: 0.3s ease;
            text-decoration: none;
            position: relative;
            overflow: hidden;
        }

        /* 按钮hover效果 */
        .qlbd-case-1__more-btn:hover {
            background-color: var(--ql-color-primary);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        /* 响应式调整 */
        @media (max-width: 996px) {
            .qlbd-case-1__footer {
                margin-top: 32px;
            }
            .qlbd-case-1__grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .qlbd-case-1__grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .qlbd-case-1__image {
                height: 220px;
            }

            .qlbd-case-1__item:hover {
                transform: translateY(-5px);
            }
            
            .qlbd-case-1__item:hover .qlbd-case-1__image img {
                transform: translateZ(0) scale(1.1); /* 移动端图片缩放适度减小 */
            }
        }
        /* --- 案例展示模块1 样式结束 --- */