:root {
            --primary-color: #4caf50;
            --secondary-color: #8bc34a;
            --accent-color: #ff9800;
            --dark-color: #2e7d32;
            --light-color: #f1f8e9;
            --text-color: #333;
            --gray-color: #757575;
            --border-radius: 4px;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'SimHei', sans-serif;
        }

        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #fff;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }


        header {
            background-color: white;
            border-bottom: 1px solid #e8f5e9;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .header-top {
            background-color: var(--dark-color);
            color: white;
            padding: 8px 0;
            font-size: 0.9rem;
        }

        .header-top .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .header-top a {
            color: white;
            text-decoration: none;
        }

        .header-main {
            padding: 15px 0;
        }

        .header-main .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--dark-color);
        }

        .logo i {
            margin-right: 10px;
            color: var(--primary-color);
        }

        .logo span {
            color: var(--accent-color);
        }

        .nav-menu {
            display: flex;
            list-style: none;
        }

        .nav-menu li {
            margin: 0 15px;
            position: relative;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            padding: 5px 0;
            transition: var(--transition);
            font-size: 1.05rem;
        }

        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary-color);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary-color);
        }

        .header-right {
            display: flex;
            align-items: center;
        }

        .search-box {
            position: relative;
            margin-right: 20px;
        }

        .search-box input {
            padding: 8px 15px 8px 35px;
            border: 1px solid #ddd;
            border-radius: 20px;
            width: 180px;
            transition: var(--transition);
        }

        .search-box input:focus {
            outline: none;
            border-color: var(--primary-color);
            width: 220px;
        }

        .search-box i {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray-color);
        }

        .cart-icon {
            position: relative;
            margin-right: 20px;
            font-size: 1.2rem;
            color: var(--dark-color);
        }

        .cart-count {
            position: absolute;
            top: -8px;
            right: -8px;
            background-color: var(--accent-color);
            color: white;
            border-radius: 50%;
            width: 18px;
            height: 18px;
            font-size: 0.7rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn {
            padding: 10px 20px;
            border-radius: var(--border-radius);
            font-weight: 500;
            cursor: pointer;
            border: none;
            transition: var(--transition);
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }

        .btn-primary:hover {
            background-color: var(--dark-color);
        }


        .fixed-banner {
            position: relative;
            width: 100%;
            height: 500px;
            overflow: hidden;
            margin-bottom: 40px;
        }

        .fixed-banner-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
        }

        .banner-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            color: white;
            width: 100%;
        }

        .banner-content h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
        }

        .banner-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 600px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
        }

        .features {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            max-width: 900px;
        }

        .feature-item {
            text-align: center;
            flex: 1;
            padding: 0 15px;
            color: white;
        }

        .feature-icon {
            font-size: 2.5rem;
            color: white;
            margin-bottom: 15px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
        }

        .feature-item h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: white;
        }

        .feature-item p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-bottom: 0;
        }


        .section-title {
            text-align: center;
            margin: 50px 0 30px;
            position: relative;
            padding-bottom: 15px;
        }

        .section-title h2 {
            font-size: 2rem;
            color: var(--dark-color);
            margin-bottom: 10px;
        }

        .section-title p {
            color: var(--gray-color);
            max-width: 700px;
            margin: 0 auto;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--primary-color);
        }

        .categories {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 25px;
            margin-bottom: 60px;
        }

        .category-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            border: 1px solid #f0f0f0;
        }

        .category-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .category-img {
            height: 180px;
            overflow: hidden;
        }

        .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover .category-img img {
            transform: scale(1.05);
        }

        .category-content {
            padding: 20px;
        }

        .category-content h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }

        .category-content p {
            color: var(--gray-color);
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .category-link {
            color: var(--primary-color);
            font-weight: 500;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }

        .category-link i {
            margin-left: 5px;
            transition: var(--transition);
        }

        .category-link:hover i {
            transform: translateX(5px);
        }


        .products {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .product-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            border: 1px solid #f0f0f0;
        }

        .product-card:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .product-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .product-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background-color: var(--accent-color);
            color: white;
            padding: 5px 10px;
            border-radius: 3px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .product-content {
            padding: 20px;
        }

        .product-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }

        .product-desc {
            color: var(--gray-color);
            font-size: 0.9rem;
            margin-bottom: 15px;
            line-height: 1.5;
        }

        .product-price {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 15px;
        }

        .price {
            font-size: 1.3rem;
            color: var(--primary-color);
            font-weight: 600;
        }

        .original-price {
            color: var(--gray-color);
            text-decoration: line-through;
            font-size: 0.9rem;
            margin-left: 5px;
        }

        .rating {
            color: #ffc107;
            font-size: 0.9rem;
        }

        .btn-cart {
            width: 100%;
            background-color: var(--light-color);
            color: var(--primary-color);
            border: 1px solid var(--primary-color);
            padding: 10px;
            font-weight: 500;
        }

        .btn-cart:hover {
            background-color: var(--primary-color);
            color: white;
        }


        .about-section {
            background-color: var(--light-color);
            padding: 60px 0;
            margin-bottom: 60px;
        }

        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .about-text {
            flex: 1;
        }

        .about-text h2 {
            font-size: 2rem;
            color: var(--dark-color);
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--gray-color);
        }

        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }


        footer {
            background-color: var(--dark-color);
            color: white;
            padding-top: 60px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: white;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary-color);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }

        .contact-info li {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
            color: #bbb;
        }

        .contact-info i {
            margin-right: 10px;
            color: var(--primary-color);
            margin-top: 3px;
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-link {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 36px;
            height: 36px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: var(--transition);
        }

        .social-link:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .copyright {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bbb;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }

            .fixed-banner {
                height: 400px;
            }

            .banner-content h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .features {
                flex-wrap: wrap;
            }

            .feature-item {
                flex: 0 0 50%;
                margin-bottom: 20px;
            }

            .header-right {
                flex: 1;
                justify-content: flex-end;
            }

            .search-box input {
                width: 150px;
            }

            .fixed-banner {
                height: 350px;
            }

            .banner-content h1 {
                font-size: 2rem;
            }

            .banner-content p {
                font-size: 1rem;
            }
        }

        @media (max-width: 576px) {
            .feature-item {
                flex: 0 0 100%;
            }

            .search-box input {
                width: 130px;
            }

            .search-box input:focus {
                width: 150px;
            }

            .fixed-banner {
                height: 300px;
            }

            .banner-content h1 {
                font-size: 1.8rem;
            }

            .features {
                margin-top: 20px;
                padding-top: 20px;
            }
        }


.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
    padding: 5px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: white;
    z-index: 2000;
    padding: 60px 20px 20px;
    overflow-y: auto;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-menu {
    list-style: none;
}

.mobile-nav-menu li {
    margin-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 15px;
}

.mobile-nav-menu a {
    display: block;
    padding: 12px 0;
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
}

.mobile-nav-menu a:hover,
.mobile-nav-menu a.active {
    color: var(--primary-color);
    padding-left: 10px;
}

.mobile-nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
    }

    .header-main .container {
        flex-wrap: wrap;
    }

    .logo {
        font-size: 1.5rem;
        margin-right: auto;
    }

    .header-right {
        order: 3;
        width: 100%;
        margin-top: 15px;
        justify-content: space-between;
    }

    .search-box {
        flex-grow: 1;
        margin-right: 15px;
    }

    .search-box input {
        width: 100%;
    }

    .search-box input:focus {
        width: 100%;
    }


    .fixed-banner {
        height: 300px;
        margin-bottom: 30px;
    }

    .banner-content h1 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .banner-content p {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .features {
        flex-direction: column;
        margin-top: 20px;
        padding-top: 20px;
    }

    .feature-item {
        margin-bottom: 25px;
        padding: 0 10px;
    }

    .feature-icon {
        font-size: 2rem;
    }


    .categories {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .category-img {
        height: 150px;
    }


    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-text h2 {
        font-size: 1.6rem;
    }

    .section-title h2 {
        font-size: 1.6rem;
    }

    .section-title p {
        font-size: 0.9rem;
    }


    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-column h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .contact-info {
        display: inline-block;
        text-align: left;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .fixed-banner {
        height: 250px;
    }

    .banner-content h1 {
        font-size: 1.5rem;
    }

    .banner-content p {
        font-size: 0.9rem;
    }

    .header-top .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .products {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-img {
        height: 180px;
    }
}

@media (hover: none) and (pointer: coarse) {
    .category-card:hover {
        transform: none;
    }

    .nav-menu a:hover {
        color: inherit;
    }

    .nav-menu a.active {
        color: var(--primary-color);
    }
}

@media (max-width: 768px) {
    input, select, textarea {
        font-size: 16px;
    }
}


.header-top {
    background: #f8f8f8;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.brand-info h1 {
    font-size: 20px;
    color: #333;
    margin: 0 0 5px 0;
}

.brand-info h3 {
    font-size: 16px;
    color: #666;
    margin: 0;
}

.contact-info {
    text-align: right;
}

.phone {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 5px;
}

.phone i {
    color: #ff6600;
    font-size: 20px;
}

.phone-number {
    font-size: 28px;
    font-weight: bold;
    color: #ff6600;
    text-decoration: none;
}

.phone-tip {
    font-size: 14px;
    color: #888;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        text-align: center;
    }

    .phone {
        justify-content: center;
    }

    .phone-number {
        font-size: 24px;
    }
}

.header-top {





    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;


    background-color: #32cc14;


    color: white;


    padding: 30px 0;
    position: relative;
}

.header-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.header-top .container {
    position: relative;
    z-index: 2;
}

.phone-number {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.phone i {
    color: #ffcc00;
}

.brand-info h1 {
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    margin: 0 0 10px 0;
    font-size: 24px;
}

.brand-info h3 {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 18px;
    font-weight: normal;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.phone {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 5px;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        text-align: center;
    }

    .phone {
        justify-content: center;
    }

    .header-top {
        padding: 20px 0;
    }

    .brand-info h1 {
        font-size: 20px;
    }

    .brand-info h3 {
        font-size: 16px;
    }

    .phone-number {
        font-size: 24px;
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.wechat-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
}

.wechat-code .qr-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid #eee;
}

.wechat-code .wechat-tip {
    font-size: 12px;
    color: #333;
    margin-top: 2px;
}