.product-container {
           
            width: 100%;
            background: #ffffff;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
            overflow: hidden;
            
        }
#thumbnailsList{float:left;margin-right:20px;order: 1;}
        .product-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
        }

        /* 左侧区域 */
        .gallery-section {
            flex: 1 1 50%;
            background: #fefefe;
            padding: 30px 20px 30px 30px;
            display:flex;
            gap: 20px;
            flex-direction: row;
        }

        /* 左侧缩略图列 - 固定高度，默认显示5个，超出滚动 */
        .thumbnails {
            width: 85px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
            /* 关键：固定高度，每个缩略图宽85px，高85px，gap 14px，5个的总高度 = 85*5 + 14*4 = 425 + 56 = 481px */
            height: 481px;
            overflow-y: auto;
            overflow-x: hidden;
            padding-right: 6px;
            scroll-behavior: smooth;
        }

        /* 自定义滚动条 */
        .thumbnails::-webkit-scrollbar {
            width: 4px;
        }
        .thumbnails::-webkit-scrollbar-track {
            background: #e9ecef;
            border-radius: 8px;
        }
        .thumbnails::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 8px;
        }

        .thumb-item {
            width: 100%;
            aspect-ratio: 1 / 1;
            border-radius: 3px;
            overflow: hidden;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            background: #f1f3f5;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            position: relative;
            flex-shrink: 0;
        }

        .thumb-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        /* 视频缩略图上的播放图标 */
        .thumb-item .play-icon-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 32px;
            height: 32px;
            background: rgba(0,0,0,0.6);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            pointer-events: none;
            backdrop-filter: blur(2px);
        }

        .thumb-item.active {
            border-color: #3b82f6;
            box-shadow: 0 6px 14px rgba(59,130,246,0.25);
            transform: scale(0.98);
        }

        .thumb-item:hover:not(.active) {
            border-color: #cbd5e1;
            transform: translateY(-2px);
        }

        /* 大图/视频展示区 */
        .main-display-area {
            flex: 1;
            background: #ffffff;
            border-radius:5px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.03);
            border: 1px solid #edf2f7;
            cursor: pointer;
            transition: all 0.2s;
            position: relative;
            min-height: 400px;
            order:2;
        }
        .main-display-area:hover {
            box-shadow: 0 12px 24px rgba(0,0,0,0.08);
            transform: scale(1.01);
        }

        .main-image {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: contain;
            transition: opacity 0.2s ease;
            border-radius: 0;
            display: block;
            pointer-events: none;
        }

        .video-container {
            width: 100%;
            height: auto;
            max-height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #000;
            border-radius: 24px;
            overflow: hidden;
        }
        .product-video {
            width: 100%;
            max-height: 500px;
            object-fit: contain;
            background: #000;
            outline: none;
            border-radius: 24px;
        }

        /* 右侧详情区域 */
        .details-section {
            flex: 1 1 45%;
            padding: 20px 20px 40px 20px;
            background: #ffffff;
            display: flex;
            flex-direction: column;
            gap: 10px;
            order: 1;
        }

        .product-title {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.2;
            color: #0f172a;
            letter-spacing: -0.02em;
        }

        .color-selector {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .color-label {
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #475569;
        }

        .color-thumbnails {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .color-swatch {
            width: auto;
            height: 42px;
            border-radius: 2px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
            background-size: cover;
            background-position: center;
            padding:2px 5px 2px 0px;
        }
.color-swatch img{max-height:34px;margin:2px;}
        .color-swatch.active-color {
            border-color: #EF6440;
            transform: scale(1.05);
            box-shadow: 0 8px 18px rgba(0,0,0,0.12);
        }

        .model-field, .price-field {
            display: flex;
            align-items: baseline;
            gap: 14px;
            border-bottom: 1px solid #eef2f6;
            padding-bottom: 10px;
            flex-wrap: wrap;
        }

        .model-label, .price-label {
            font-weight: 600;
            color: #333;
            width: 70px;
            font-size: 1rem;
        }

        .model-value {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
        }

        .price-value {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
        }
        .price-value small {
            font-size: 0.9rem;
            font-weight: 500;
            color: #5b6e8c;
        }

        .action-buttons {
            display: flex;
            gap: 20px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        .btn {
            flex: 1;
            padding: 8px 0;
            font-weight: 500;
            font-size: 1rem;
            border-radius: 60px;
            cursor: pointer;
            transition: all 0.25s;
            text-align: center;
            border: none;
            font-family: inherit;
        }

        .btn-primary {
            background: #EF6440;
            color: white;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        .btn-primary:hover {
            background: #1e293b;
            transform: translateY(-2px);
            box-shadow: 0 12px 20px -8px rgba(0,0,0,0.2);
        }

        .btn-secondary {
            background: #f1f5f9;
            color: #1e293b;
            border: 1px solid #e2e8f0;
        }
        .btn-secondary:hover {
            background: #e6edf4;
            transform: translateY(-2px);
        }

        /* 弹窗模态框 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.92);
            z-index: 2000;
            justify-content: center;
            align-items: center;
            backdrop-filter: blur(8px);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .modal.show {
            display: flex;
            opacity: 1;
        }
        .modal-content {
            position: relative;
            max-width: 85vw;
            max-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .modal-image {
            max-width: 100%;
            max-height: 85vh;
            object-fit: contain;
            border-radius: 20px;
            box-shadow: 0 25px 45px rgba(0,0,0,0.3);
            animation: modalZoom 0.25s ease;
        }
        @keyframes modalZoom {
            from { transform: scale(0.95); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
        }
        .modal-close {
            position: absolute;
            top: 25px;
            right: 35px;
            font-size: 40px;
            font-weight: 300;
            color: #fff;
            cursor: pointer;
            background: rgba(0,0,0,0.5);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
            z-index: 2001;
        }
        .modal-close:hover {
            background: #ef4444;
            transform: scale(1.05);
        }
        .modal-prev, .modal-next {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(30,30,40,0.7);
            color: white;
            font-size: 32px;
            font-weight: bold;
            padding: 12px 18px;
            border-radius: 60px;
            cursor: pointer;
            transition: 0.2s;
            backdrop-filter: blur(4px);
            border: none;
            z-index: 2001;
        }
        .modal-prev { left: 25px; }
        .modal-next { right: 25px; }
        .modal-prev:hover, .modal-next:hover {
            background: rgba(0,0,0,0.85);
            transform: translateY(-50%) scale(1.05);
        }
        .modal-counter {
            position: absolute;
            bottom: 25px;
            left: 0;
            right: 0;
            text-align: center;
            color: white;
            background: rgba(0,0,0,0.6);
            width: fit-content;
            margin: 0 auto;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            backdrop-filter: blur(5px);
            pointer-events: none;
        }

        .swipe-hint {
            position: absolute;
            bottom: 12px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0,0,0,0.5);
            backdrop-filter: blur(4px);
            color: white;
            font-size: 11px;
            padding: 4px 12px;
            border-radius: 40px;
            pointer-events: none;
            white-space: nowrap;
            opacity: 0;
            z-index: 5;
        }
        
        /* 响应式：移动端改为横向滚动 */
        @media (max-width: 900px) {
            .swipe-hint { opacity: 0.7; }
         .shop-detail-page.py-40{padding:0px;}
            .gallery-section { flex-direction: column; padding: 20px; }
            .thumbnails { 
                flex-direction: row; 
                width: 100%; 
                height: auto;
                max-height: 100px; 
                overflow-x: auto; 
                overflow-y: hidden; 
                gap: 12px;
                padding-bottom: 6px;
            }
            .thumb-item { width: 80px; flex-shrink: 0; }
            .main-display-area { min-height: 320px; }
            .details-section { padding: 20px 14px; }
            .product-title { font-size: 1rem; }
            .product-container{padding:0px;box-shadow:none;border-radius:1px;}
            .color-label,.model-label, .price-label{font-size:1rem;}
            .price-value{font-size:1.2rem;}
        }
        
        @media (max-width: 550px) {
            .thumb-item { width: 65px; }
            .color-swatch { width: auto; height: 44px; }
            .color-swatch img{max-height:30px;}
            .action-buttons { flex-direction: column; }
            .product-grid{display:block;}
            .main-display-area{border-radius:1px;}
            .main-image{border-radius:1px;}
            .gallery-section{padding:0px;}
            .details-section{padding:10px;}
            .faq-item{margin-bottom:0px;}
            .product-tabs-section{padding-top:0px;}
            .product-tabs-section .content-box{padding-top:0px;}
            .thumb-item{border-radius:2px;}
            #thumbnailsList{margin-right:0px;order:2;}
             .main-display-area {order:1;}
        }
        
        .fade-img {
            animation: subtleFade 0.2s ease;
        }
        @keyframes subtleFade {
            0% { opacity: 0.5; }
            100% { opacity: 1; }
        }
		 /* 问题容器 */
        .faq-item {
            background: #fff;
            border-radius: 8px;
            margin-bottom: 5px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            overflow: hidden;
        }

        /* 问题标题（点击区域） */
        .faq-question {
            padding: 12px 20px;
            font-size: 16px;
            font-weight: 500;
            color: #222;
            cursor: pointer;
            position: relative;
            /* 点击无高亮 */
            -webkit-tap-highlight-color: transparent;
        }

        /* 右侧小箭头 */
        .faq-question::after {
            content: "+";
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px;
            color: #666;
            transition: 0.3s;
        }

        /* 展开时箭头变减号 */
        .faq-question.active::after {
            content: "-";
        }

        /* 答案内容（默认隐藏） */
        .faq-answer {
            padding: 0px 20px;
            overflow: hidden;
            color: #666;
            font-size: 15px;
            line-height: 1.6;
            transition: all 0.3s ease;
			background:#f9f9f9;
			height:0px;
			overflow:hidden;
			transition: 0.3s all;
        }
         .faq-answer p{padding:20px 0px;}
.faq-question.active .faq-answer {
    height:auto;
    display:block !important;
    
}
.faq-answer.active{height:auto;}
        /* 展开后的答案样式 */
        .faq-answer.show {
            padding: 0 20px 20px;
            max-height: 500px;
        }
        
/* 遮罩层 */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: none;
            z-index: 999;
        }

        /* 弹窗窗口 */
        .popup {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            max-width: 500px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            z-index: 1000;
            display: none;
        }

        /* 弹窗头部 */
        .popup-header {
            padding: 16px 20px;
            border-bottom: 1px solid #e0e0e0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .popup-header h3 {
            font-size: 18px;
            font-weight: 600;
            color: #333;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #999;
            line-height: 1;
        }

        .close-btn:hover {
            color: #333;
        }

        /* 表单内容 */
        .popup-body {
            padding: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-size: 14px;
            font-weight: 500;
            color: #555;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 14px;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #007bff;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .submit-btn {
            width: 100%;
            padding: 12px;
            background:#EF6440;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            margin-top: 8px;
        }

        .submit-btn:hover {
            background: #0056b3;
        }