/* ========== 顶部分类标签 ========== */
        .category-tabs {
            display: flex;
            gap: 12px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .category-tab {
            padding: 10px 24px;
            border: 2px solid #000000;
            border-radius: 999px;
            background: #ffffff;
            font-size: 20px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .category-tab:hover,
        .category-tab.active {
            background: #000000;
            color: #ffffff;
        }

        /* ========== 分类卡片组 ========== */
        .card-group {
            display: none !important;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .card-group.active {
            display: grid !important;
        }

        /* ========== 产品卡片样式 ========== */
        .product-card {
            width: 100%;
            height: 500px;
            border-radius: 20px;
            padding: 32px;
            position: relative;
            overflow: hidden;
            color: #ffffff;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }

        .product-card:hover {
            transform: translateY(-6px);
        }

        .card-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .card-content {
            position: relative;
            z-index: 1;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .product-brand {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .product-subtitle {
            font-size: 24px;
            font-weight: 500;
            margin-bottom: 40px;
            opacity: 0.95;
        }

        .product-desc {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.2;
            margin-top: auto;
        }

        .card-add-btn {
            position: absolute;
            bottom: 32px;
            right: 32px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 2;
        }

        .card-add-btn:hover {
            background: #ffffff;
            color: #000000;
            transform: scale(1.1);
        }

        /* ========== 响应式适配 ========== */
        @media (max-width: 1200px) {
            .card-group.active {
                grid-template-columns: repeat(3, 1fr) !important;
                gap: 20px !important;
            }

            .product-card {
                height: 450px;
            }

            .product-brand {
                font-size: 32px;
            }

            .product-subtitle {
                font-size: 20px;
            }

            .product-desc {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding: 24px 16px;
            }

            .category-tabs {
                margin-bottom: 32px;
            }

            .category-tab {
                padding: 8px 16px;
                font-size: 14px;
            }

            .card-group.active {
                grid-template-columns: repeat(2, 1fr) !important;
                gap: 16px !important;
            }

            .product-card {
                height: 420px;
                padding: 24px;
            }

            .product-brand {
                font-size: 28px;
            }

            .product-desc {
                font-size: 22px;
            }
        }

        @media (max-width: 480px) {
            .card-group.active {
                grid-template-columns: 1fr !important;
            }

            .product-card {
                height: 400px;
            }
        }

        .ingredients {
            width: 90%;
            margin: 0 auto;
        }
                .ingredients {
                    width: 85vw;
                    margin-top: 50px;
                    margin-bottom: 50px;
                }

                .title h2 {
                    font-weight: bold;
                    text-align: left;
                    margin-bottom: 16px;
                    font-size: 36px;
                    line-height: 2.5rem;
                }

                .descrip {
                    text-align: left;
                    margin-bottom: 24px;
                    padding-right: 60px;
                    font-size: 17px;
                    font-weight: 400;
                    margin-bottom: 60px;
                }

                .help-section {
                    width: 85vw;
                    margin-top: 50px;
                    margin-bottom: 50px;
                    margin: 0 auto;
                }

                .help-section .help-title h2 {
                    font-weight: bold;
                    text-align: left;
                    margin-bottom: 16px;
                    font-size: 36px;
                }

                /* 区块容器 - 整体圆角+flex布局 */
                .ingredients-banner {
                    margin: 60px auto;
                    border-radius: 48px;
                    overflow: hidden;
                    display: flex;
                    width: 85vw;
                    box-sizing: border-box;
                }

                /* 左侧文字区 */
                .banner-left {
                    flex: 0 0 50%;
                    background-color: #eeeeee;
                    /* 和原图一致的浅灰色背景 */
                    display: flex;
                    align-items: center;
                    padding: 80px 6%;
                    box-sizing: border-box;
                }

                /* 文字内容 */
                .banner-text h2 {
                    font-size: 38px;
                    font-weight: 700;
                    color: #111111;
                    line-height: 1.2;
                    margin: 0 0 24px 0;
                    font-family: 'Arial', sans-serif;
                }

                /* 浏览链接 */
                .browse-link {
                    font-size: 16px;
                    font-weight: 500;
                    color: #0066cc;
                    /* 和原图一致的蓝色 */
                    text-decoration: none;
                    font-family: 'Arial', sans-serif;
                    transition: opacity 0.3s ease;
                }

                .browse-link:hover {
                    opacity: 0.7;
                }

                /* 右侧图片区 */
                .banner-right {
                    flex: 0 0 50%;
                    box-sizing: border-box;
                }

                .banner-right img {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    /* 图片铺满不变形 */
                    display: block;
                }

                /* ========== 响应式适配（手机端） ========== */
                @media (max-width: 768px) {
                    .ingredients-banner {
                        flex-direction: column;
                        width: 92%;
                        margin: 40px auto;
                    }

                    .banner-left {
                        flex: 0 0 100%;
                        padding: 40px 24px;
                    }

                    .banner-text h2 {
                        font-size: 28px;
                    }

                    .banner-right {
                        flex: 0 0 100%;
                        height: 320px;
                    }
                }

                /* 区块容器 - 大圆角浅灰背景 */
                .ingredients-intro {
                    max-width: 800px;
                    width: 90%;
                    margin: 60px auto;
                    background-color: #ececec;
                    /* 和原图完全一致的浅灰色 */
                    border-radius: 32px;
                    /* 大圆角还原 */
                    box-sizing: border-box;
                }

                /* 内容内边距 */
                .intro-content {
                    padding: 64px 80px;
                    box-sizing: border-box;
                }

                /* 主标题 */
                .intro-content h2 {
                    font-size: 48px;
                    font-weight: 700;
                    color: #212121;
                    line-height: 1.1;
                    margin: 0 0 28px 0;
                    font-family: 'Arial', system-ui, sans-serif;
                }

                /* 正文段落 */
                .intro-content p {
                    font-size: 17px;
                    font-weight: 400;
                    color: #333333;
                    line-height: 1.6;
                    margin: 0 0 20px 0;
                    font-family: 'Arial', system-ui, sans-serif;
                }

                /* 蓝色高亮文本 */
                .intro-content .highlight-text {
                    font-size: 22px;
                    font-weight: 600;
                    color: #00a8e0;
                    /* 和原图一致的亮蓝色 */
                    line-height: 1.4;
                    margin: 32px 0 36px 0;
                }

                /* Contact Us按钮 */
                .contact-btn {
                    display: inline-block;
                    padding: 12px 32px;
                    border: 2px solid #1a2456;
                    /* 深蓝色边框 */
                    border-radius: 24px;
                    /* 按钮圆角 */
                    font-size: 18px;
                    font-weight: 500;
                    color: #1a2456;
                    text-decoration: none;
                    font-family: 'Arial', system-ui, sans-serif;
                    transition: all 0.3s ease;
                    background-color: transparent;
                }

                /* 按钮hover效果 */
                .contact-btn:hover {
                    background-color: #1a2456;
                    color: #ffffff;
                }

                /* ========== 响应式适配（手机端） ========== */
                @media (max-width: 768px) {
                    .ingredients-intro {
                        width: 92%;
                        margin: 40px auto;
                    }

                    .intro-content {
                        padding: 40px 24px;
                    }

                    .intro-content h2 {
                        font-size: 36px;
                    }

                    .intro-content p {
                        font-size: 16px;
                    }

                    .intro-content .highlight-text {
                        font-size: 18px;
                    }

                    .contact-btn {
                        width: 100%;
                        text-align: center;
                        box-sizing: border-box;
                    }
                }