:root {
    --primary-color: #3182ce;
    --secondary-color: #ed8936;
    --dark-color: #2d3748;
    --light-color: #f5f7fa;
    --text-color: #333;
    --text-light: #718096;
    --footer-bg: #126137;
    --white: #ffffff;
}
        /* Base Styles */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            background-color: #f5f7fa;
            line-height: 1.6;
            padding-bottom: 60px;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Header Styles */
        header {
            background-color: white;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 50;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            height: 50px;
        }
        
        /* Desktop Navigation */
        .desktop-nav > ul {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        
        .desktop-nav a {
            color: #2d3748;
            font-weight: 500;
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }
        
        .desktop-nav a:hover {
            color: #3182ce;
        }
        
        /* Dropdown Menu Styles */
        .nav-item {
            position: relative;
        }
        
        .nav-item.has-children  > a::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 12px;
            margin-left: 5px;
            transition: transform 0.3s;
        }
        
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 200px;
            background-color: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            border-radius: 4px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s;
            z-index: 100;
            padding: 10px 0;
        }
        
        .nav-item:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .dropdown-menu li {
            padding: 0;
        }
        
        .dropdown-menu a {
            padding: 8px 20px;
            display: block;
            white-space: nowrap;
        }
        
        .dropdown-menu a:hover {
            background-color: #f5f5f5;
        }
        
        /* Mobile Menu Styles */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #2d3748;
            font-size: 24px;
            cursor: pointer;
        }
        
        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            width: 85%;
            max-width: 300px;
            height: 100vh;
            background-color: white;
            z-index: 100;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            padding: 80px 20px 20px;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        }
        
        .mobile-menu.active  {
            transform: translateX(0);
        }
        
        .mobile-nav {
            display: flex;
            flex-direction: column;
        }
        
        .mobile-nav-item {
            border-bottom: 1px solid #eee;
            position: relative;
        }
        
        .mobile-nav-item > a {
            padding: 15px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #2d3748;
            text-decoration: none;
        }
        
        .mobile-nav-item > a::after {
            content: "\f054";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            transition: transform 0.3s;
        }
        
        .mobile-nav-item.active  > a::after {
            transform: rotate(90deg);
        }
        
        .mobile-subnav {
            padding-left: 15px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
			scrollbar-width: thin;
        }
        
        .mobile-nav-item.active  .mobile-subnav {
            max-height: 200px;
			overflow-y: auto;
			-webkit-overflow-scrolling: touch;
        }
        
        .mobile-subnav a {
            display: block;
            padding: 12px 0;
            color: #666;
            text-decoration: none;
        }
       
	    .cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #3182ce;
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 10px 0;
}
 
.cta-button:hover {
    background-color: #2c5282;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}
 
.cta-button i {
    margin-right: 8px;
    font-size: 16px;
} 

        /* 页面横幅 */
        .page-banner { 
            height: 300px; 
            background-size: cover; 
            background-position: center; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            position: relative; 
            margin-bottom: 40px; 
        }

        .banner-content { 
            position: relative; 
            z-index: 1; 
            text-align: center; 
            color: white; 
            max-width: 800px; 
            padding: 0 20px; 
        } 
        
        .banner-title { 
            font-size: 2.5rem; 
            margin-bottom: 15px; 
            font-weight: 700; 
        } 
        
        .banner-subtitle { 
            font-size: 1.2rem; 
            opacity: 0.9; 
        }
        
/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}
 
.product-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}
 
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}
 
.product-image {
    height: 250px;
    position: relative;
    overflow: hidden;
}
 
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
 
.product-card:hover .product-image img {
    transform: scale(1.05);
}
 
.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
}
 
.product-details {
    padding: 20px;
}
 
.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 10px;
}
 
.product-desc {
    color: var(--text-light);
    margin-bottom: 20px;
}
 
.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
 
.product-price {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.25rem;
}

/* 添加到样式表的按钮部分 */
.buy-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}
 
.buy-button:hover {
    background-color: #2c5282;
    transform: translateY(-2px);
}
 
/* Product Categories */
.category-tabs {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    flex-wrap: wrap;
    gap: 10px;
}
 
.category-tab {
    padding: 10px 20px;
    background-color: #e2e8f0;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}
 
.category-tab.active,  .category-tab:hover {
    background-color: var(--primary-color);
    color: var(--white);
}
 
/* Product Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
}
 
.feature-item {
    text-align: center;
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
 



        /* Footer */
        footer {
            background-color: #126137;
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 200px;
        }
        
        .footer-column h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-column li {
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
        }
        
        .footer-column i {
            margin-right: 10px;
            margin-top: 3px;
        }
        
        .footer-bottom {
            text-align: center;
            margin-top: 50px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.2);
        }
        
        .footer-bottom p,
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            font-size: 0.875rem;
        }

        /* Overlay */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0,0,0,0.5);
            z-index: 99;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
        }
        
        .overlay.active  {
            opacity: 1;
            visibility: visible;
        }
        
        /* Mobile Bottom Bar */
        .mobile-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: white;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            z-index: 90;
        }
        
        .mobile-bottom-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            color: #718096;
            text-decoration: none;
            font-size: 0.75rem;
            flex: 1;
            text-align: center;
        }
        
        .mobile-bottom-bar i {
            font-size: 20px;
            margin-bottom: 5px;
        }
        
		
		/* 合并的响应式设计 */
@media (max-width: 992px) {
    .footer-content {
        flex-wrap: wrap;
    }
}
 
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .mobile-menu-footer {
	    margin-top: 30px;
        padding: 15px;
        text-align: center;
		width: 100%;
    }	
    .banner-title {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
}
 
@media (max-width: 576px) {
    .banner-title {
        font-size: 1.75rem;
    }
    
    .mobile-menu {
        width: 85%;
    }
}