/* 中间内容容器间距与全局风格 (不涉及header/footer) */
        .section-padding {
            padding: 60px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-title {
            font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    position: relative;
    display: block;
    text-align: center;
    border: 0px;
        }
        .suan_grid{display: grid
;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;}
        .section-sub {
            text-align: center;
            color: #999;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 48px;
            position: relative;
        }
       .siwu{display:flex;gap:1rem; justify-content: center;}
        
        /* 技术优势卡片: 上图下文均匀分布 */
        .advantage-card {
            background: #fff;
            border-radius: 20px;
            padding: 1.8rem 1.2rem 1.8rem;
            transition: all 0.3s ease;
            height: 100%;
            min-width:20%;
            width:auto;
            text-align: center;
         
        }
       
        .advantage-icon {
            font-size: 3.2rem;
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            display: inline-block;
        }
        .advantage-card h4 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1rem 0 0.5rem;
        }
        .advantage-card p {
            color: #5a6874;
            font-size: 0.9rem;
            margin: 0;
        }
        
        /* 性能参数表格样式 */
        .suanfatable table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
        }
        .suanfatable  .firstRow td {
            background-color: var(--primary-color); /* #f6700b */
            color: white;
            font-weight: 600;
            padding: 14px 20px;
            font-size: 1rem;
            border-bottom: none;
        }
        .suanfatable td {
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-color);
            background-color: #fff;
            color: var(--text-color);
            vertical-align: middle;
        }
       
       
        
        /* 视频容器 响应式 */
        .video-wrapper {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            overflow: hidden;
            border-radius: 24px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            background: #000;
        }
        .video-wrapper video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 24px;
        }
        
        /* 算法对比区域: 左右图 + 中间VS图标 */
        .compare-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        .compare-item {
            flex: 1;
            background: #fbfbfd;
            border-radius: 28px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.2s;
            border: 1px solid var(--border-color);
        }
        .compare-img {
            width: 100%;
            max-width: 260px;
            margin: 0 auto;
            display: block;
            border-radius: 20px;
            box-shadow: 0 8px 18px rgba(0,0,0,0.05);
        }
        .compare-label {
            margin-top: 20px;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .vs-icon {
            background: linear-gradient(135deg, var(--primary-color), #ff9a44);
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.6rem;
            color: white;
            box-shadow: 0 10px 20px rgba(246,112,11,0.3);
            margin: 0 auto;
            z-index: 2;
        }
        @media (max-width: 768px) {
            .compare-container {
                flex-direction: column;
            }
            .vs-icon {
                margin: 10px auto;
            }
            .compare-item {
                width: 100%;
            }
        }
        
        /* 适应行业场景 2行2列卡片 图片上面悬浮白色标题 (使用卡片叠加) */
        .industry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .suanfa-grid{
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .industry-card {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            box-shadow: 0 12px 24px -8px rgba(0,0,0,0.12);
            transition: transform 0.3s ease;
            cursor: pointer;
        }
        .industry-card:hover {
            transform: scale(1.02);
        }
        .industry-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.4s;
        }
       
        .industry-title {
           
            display: block;
            padding: 6px 20px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            margin: 0;
			text-align:center;
        }
        @media (max-width: 640px) {
            .industry-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        
        /* 表单区域样式 (获取方案) */
        .form-card {
            background: #ffffff;
            border-radius: 32px;
            padding: 2rem 2rem 2rem;
            box-shadow: 0 20px 35px -12px rgba(0,0,0,0.05);
            border: 1px solid #ccc;
        }
        .form-control, .form-select {
            border-radius: 16px;
            padding: 12px 18px;
            border: 1px solid #ccc;
            font-size: 0.95rem;
            transition: 0.2s;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(246,112,11,0.2);
        }
        .btn-submit {
            background: #f6700b;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            color: white;
            width: 100%;
            transition: all 0.3s;
        }
        .btn-submit:hover {
            background: #e05f00;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(246,112,11,0.3);
        }
        .form-label {
            font-weight: 500;
            margin-bottom: 8px;
        }
        
        /* 全局响应调整 */
        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        
        /* 辅助线保持统一间距 */
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        hr.divider-light {
            margin: 0;
            opacity: 0.4;
        }