/* 主容器 - 固定尺寸 */
        .image-gallery {
            width: 700px;
            height: 470px;
            background: white;
            border-radius: 12px;
           padding-left: 0;
            box-shadow: 0 0px  0px rgba(0, 0, 0, 0.12);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        /* 主图片区域 */
        .main-image-area {
            flex: 1;
            position: relative;
            background: #f8f9fa;
            overflow: hidden;
        }

        .main-image {
            width: 700px;
            height: 100%;
            object-fit: cover;
            transition: opacity 0.3s ease;
        }

        .main-image.fade-out {
            opacity: 0;
        }

        /* 左右导航箭头 */
        .nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.95);
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #333;
            transition: all 0.2s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            z-index: 10;
        }

        .nav-btn:hover {
            background: white;
            transform: translateY(-50%) scale(1.1);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .nav-btn.prev {
            left: 12px;
        }

        .nav-btn.next {
            right: 12px;
        }

        .nav-btn:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }

        /* 图片标题覆盖层 */
        .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
            color: white;
            padding: 40px 16px 12px;
        }

        .image-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .image-counter {
            font-size: 12px;
            opacity: 0.9;
        }

        /* 底部缩略图导航区 */
        .thumbnails-nav {
            height: 90px;
            background: #ffffff;
            border-top: 0px solid #e8e8e8;
            padding: 10px 12px;
            display: flex;
            align-items: center;
        }

        .thumbnails-wrapper {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scroll-behavior: smooth;
            width: 100%;
            height: 100%;
            align-items: center;
        }

        .thumbnails-wrapper::-webkit-scrollbar {
            height: 4px;
        }

        .thumbnails-wrapper::-webkit-scrollbar-track {
            background: #e0e0e0;
            border-radius: 2px;
        }

        .thumbnails-wrapper::-webkit-scrollbar-thumb {
            background: #bbb;
            border-radius: 2px;
        }

        .thumbnails-wrapper::-webkit-scrollbar-thumb:hover {
            background: #999;
        }

        /* 缩略图样式 */
        .thumbnail {
            flex-shrink: 0;
            width: 102px;
            height: 68px;
            border-radius: 6px;
            cursor: pointer;
            overflow: hidden;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            position: relative;
        }

        .thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.2s ease;
        }

        .thumbnail:hover {
            border-color: #ccc;
            transform: translateY(-2px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .thumbnail:hover img {
            transform: scale(1.05);
        }

        .thumbnail.active {
            border-color: #4a90e2;
            box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
        }

        .thumbnail.active::after {
            content: '';
            position: absolute;
            top: 4px;
            right: 4px;
            width: 16px;
            height: 16px;
            background: #4a90e2;
            border-radius: 50%;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
            background-size: 12px;
            background-position: center;
            background-repeat: no-repeat;
        }

        /* 响应式微调 */
        @media (max-width: 720px) {
            .image-gallery {
                width: 100%;
                max-width: 700px;
            }
        }