/* 基础重置 + 独立命名空间 zlj- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        body {
            background: #f5f7fa;
            color: #333;
            line-height: 1.6;
            scroll-behavior: smooth; /* 平滑滚动核心属性 */
        }

        /* 核心容器 */
        .zlj-main {
            width: 100%;
            overflow: hidden;
            padding: 0;
            margin: 0;
            margin: 78px auto;
        }

        /* 全屏Banner区（左右靠边，高端视觉） */
        .zlj-banner {
            width: 100vw; /* 视口宽度，完全靠边 */
            height: 605px; /* 高端Banner高度 */
            position: relative;
            overflow: hidden;
            margin-bottom: 60px;
        }
        /* Banner背景图（全屏覆盖+居中） */
        .zlj-banner-bg {
            width: 100%;
            height: 100%;
            background: url("/static/index/picture/lkpj_banner.jpg") no-repeat center center;
            background-size: cover; /* 覆盖全屏，保持比例 */
            filter: brightness(0.85); /* 暗化处理，提升文字可读性 */
            transition: transform 8s ease-in-out;
        }
        .zlj-banner:hover .zlj-banner-bg {
            transform: scale(1.03); /* 微动效，提升高级感 */
        }
        /* Banner渐变遮罩（增强文字对比） */
        .zlj-banner-mask {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.4) 100%);
            z-index: 1;
        }
        /* Banner文字内容区（居中+高级排版） */
        .zlj-banner-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 2;
            max-width: 1200px;
            width: 100%;
            padding: 0 20px;
            color: #fff;
        }
        .zlj-banner-title {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .zlj-banner-subtitle {
            font-size: 20px;
            line-height: 1.5;
            max-width: 800px;
            margin-bottom: 30px;
            opacity: 0.9;
            text-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
        }
        .zlj-banner-btn {
            display: inline-block;
            padding: 12px 36px;
            background: #3b82f6;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
        }
        .zlj-banner-btn:hover {
            background: #2563eb;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
        }

        /* 顶部视觉栏（原设计保留，作为Banner下的补充） */
        .zlj-header-bar {
            width: 100%;
            background: linear-gradient(135deg, #1e40af, #3b82f6);
            padding: 40px 0;
            margin-bottom: 50px;
            position: relative;
            overflow: hidden;
            display: none; /* 替换为Banner后隐藏原标题栏 */
        }
        .zlj-header-inner {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }
        .zlj-header-inner h1 {
            font-size: 36px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .zlj-header-inner p {
            font-size: 16px;
            color: #e0e7ff;
            max-width: 800px;
            line-height: 1.8;
        }

        /* 通用居中容器 */
        .zlj-container {
            width: 100%;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 分类导航栏（高级质感+吸顶） */
        .zlj-cate-nav {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            padding: 25px 30px;
            margin-bottom: 50px;
            border: 1px solid #f0f4ff;
            position: sticky; /* 导航栏吸顶，方便操作 */
            top: 0;
            z-index: 99;
            backdrop-filter: blur(8px); /* 毛玻璃效果，高端感拉满 */
            background: rgba(255, 255, 255, 0.95);
        }
        .zlj-cate-title {
            font-size: 19px;
            color: #1e293b;
            font-weight: 600;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .zlj-cate-title::before {
            content: "";
            width: 4px;
            height: 20px;
            background: #3b82f6;
            border-radius: 2px;
        }
        .zlj-cate-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .zlj-cate-item {
            padding: 10px 24px;
            background: #f8fafc;
            color: #3b82f6;
            border-radius: 30px;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            font-weight: 500;
            user-select: none; /* 禁止文字选中 */
        }
        .zlj-cate-item.active {
            background: #3b82f6;
            color: #fff;
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
        }
        .zlj-cate-item:hover:not(.active) {
            background: #eff6ff;
            border-color: #dbeafe;
            transform: translateY(-2px);
        }
        .zlj-cate-item.active:hover {
            background: #2563eb;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
        }

        /* 分类配件展示区 */
        .zlj-parts-wrap {
            margin-bottom: 70px;
            scroll-margin-top: 120px; /* 锚点偏移，避免被吸顶导航遮挡 */
        }
        .zlj-parts-title {
            font-size: 24px;
            color: #1e293b;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f4ff;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .zlj-parts-title::after {
            content: "";
            width: 60px;
            height: 2px;
            background: #3b82f6;
            display: inline-block;
        }
        .zlj-parts-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* 配件卡片（轻奢立体风格 + 可点击） */
        .zlj-part-card {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            transition: all 0.3s ease;
            border: 1px solid #f8fafc;
            position: relative;
            cursor: pointer; /* 鼠标指针变手型 */
        }
        .zlj-part-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: #3b82f6;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .zlj-part-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
            border-color: #dbeafe;
        }
        .zlj-part-card:hover::before {
            opacity: 1;
        }
        /* 图片容器：高级留白+完整显示 */
        .zlj-part-img {
            width: 100%;
            height: 190px;
            background: #f8fafc;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            position: relative;
        }
        .zlj-part-img::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
        }
        .zlj-part-img img {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
            transition: transform 0.3s ease;
        }
        .zlj-part-card:hover .zlj-part-img img {
            transform: scale(1.05);
        }
        .zlj-part-info {
            padding: 22px 20px;
        }
        .zlj-part-name {
            font-size: 17px;
            color: #1e293b;
            font-weight: 600;
            margin-bottom: 10px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            letter-spacing: 0.3px;
        }
        .zlj-part-desc {
            font-size: 14px;
            color: #64748b;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 响应式适配（保持高级感） */
        @media (max-width: 1024px) {
            .zlj-parts-list {
                grid-template-columns: repeat(3, 1fr);
            }
            .zlj-banner {
                height: 350px; /* 平板端Banner高度适配 */
            }
            .zlj-banner-title {
                font-size: 38px;
            }
            .zlj-banner-subtitle {
                font-size: 18px;
            }
        }
        @media (max-width: 768px) {
            .zlj-parts-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .zlj-banner {
                height: 280px; /* 移动端Banner高度适配 */
            }
            .zlj-banner-title {
                font-size: 30px;
            }
            .zlj-banner-subtitle {
                font-size: 16px;
                margin-bottom: 20px;
            }
            .zlj-banner-btn {
                padding: 10px 28px;
                font-size: 14px;
            }
            .zlj-cate-nav {
                padding: 20px 25px;
            }
            .zlj-cate-item {
                padding: 8px 20px;
                font-size: 14px;
            }
        }
        @media (max-width: 576px) {
            .zlj-parts-list {
                grid-template-columns: 1fr;
            }
            .zlj-part-img {
                height: 170px;
            }
            .zlj-banner {
                height: 220px; /* 小屏移动端Banner高度适配 */
            }
            .zlj-banner-title {
                font-size: 24px;
            }
            .zlj-banner-subtitle {
                font-size: 14px;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .zlj-parts-title {
                font-size: 20px;
            }
            .zlj-parts-wrap {
                scroll-margin-top: 100px; /* 移动端锚点偏移调整 */
            }
        }