/* ========= 产品中心模块（右侧小图标 + 中间圆形大图 + 左侧标题，动态背景）========= */
        .products-showcase {
            padding: 80px 0;
            position: relative;
            background: linear-gradient(135deg, #f5f9ff 0%, #eef2f8 100%);
            overflow: hidden;
        }
        /* 动态流动背景动画 */
        .products-showcase::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(247, 179, 43, 0.12) 0%, transparent 40%),
                        radial-gradient(circle at 70% 60%, rgba(10, 43, 62, 0.08) 0%, transparent 50%);
            animation: bgFlow 18s ease-in-out infinite;
            pointer-events: none;
        }
        @keyframes bgFlow {
            0% { transform: translate(0, 0) rotate(0deg); opacity: 0.6; }
            50% { transform: translate(2%, 1%) rotate(1deg); opacity: 1; }
            100% { transform: translate(0, 0) rotate(0deg); opacity: 0.6; }
        }
        .showcase-container {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .showcase-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .showcase-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #0a2b3e;
            margin-bottom: 8px;
        }
        .showcase-header .showcase-sub {
            color: #f7b32b;
            font-size: 1rem;
            letter-spacing: 2px;
            font-weight: 500;
        }
        /* 三列布局：左侧标题区 + 中间圆形图片区 + 右侧小图标区 */
        .showcase-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 40px;
        }
        .product-title-area {
            flex: 1;
            min-width: 200px;
            text-align: right;
            padding-right: 20px;
        }
        .product-title-area h3 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #0a2b3e;
            margin-bottom: 16px;
            line-height: 1.3;
            text-align: left;
        }
        .product-title-area .product-desc {
            color: #5e7e9a;
            font-size: 1rem;
            line-height: 1.6;
            max-width: 280px;
            margin-left: auto;
        }
        .product-image-area {
            flex-shrink: 0;
            width: 450px;
            height: 450px;
            cursor: pointer;
        }
        .circle-image {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: linear-gradient(145deg, #ffffff, #f8fafc);
            box-shadow: 0 25px 45px -12px rgba(0,0,0,0.2), inset 0 1px 2px rgba(255,255,255,0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        }
        .circle-image img {
            width: 85%;
            height: 85%;
            object-fit: contain;
            transition: transform 0.3s;
        }
        .circle-image:hover {
            transform: scale(1.02);
        }
        .product-icons-area {
            flex: 1;
            min-width: 180px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .icon-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 12px 20px;
            background: rgba(255,255,255,0.7);
            backdrop-filter: blur(4px);
            border-radius: 60px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid rgba(247, 179, 43, 0.2);
        }
        .icon-item:hover {
            background: white;
            border-color: #f7b32b;
            transform: translateX(4px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }
        .icon-item.active {
            background: white;
            border-color: #f7b32b;
            box-shadow: 0 8px 20px rgba(247, 179, 43, 0.15);
        }
        .icon-item .icon-badge {
            width: 48px;
            height: 48px;
            background: #f7b32b20;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #f7b32b;
            transition: 0.2s;
        }
        .icon-item.active .icon-badge {
            background: #f7b32b;
            color: white;
        }
        .icon-item .icon-text {
            font-weight: 600;
            color: #2c4b66;
            font-size: 1rem;
        }
        .icon-item.active .icon-text {
            color: #f7b32b;
        }

        /* 移动端：隐藏右侧图标区，调整布局，大图可触摸暂停 */
        @media (max-width: 768px) {
            .product-icons-area {
                display: none;
            }
            .showcase-content {
                flex-direction: column;
                text-align: center;
                gap: 32px;
            }
            .product-title-area {
                text-align: center;
                padding-right: 0;
            }
            .product-title-area .product-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .circle-image {
                width: 260px;
                height: 260px;
            }
            .product-image-area {
                width: 260px;
                height: 260px;
                cursor: pointer;
            }
        }
        @media (max-width: 550px) {
            .product-title-area h3 {
                font-size: 1.8rem;
            }
            .circle-image {
                width: 220px;
                height: 220px;
            }
            .product-image-area {
                width: 220px;
                height: 220px;
            }
        }