.mobile-nav {
            position: fixed;
            top: 0;
            right: -300px;
            width: 300px;
            height: 100%;
            background: rgba(10,10,10,0.95); 
            z-index: 1001;
            padding: 50px;
            transition: right 0.3s;
            backdrop-filter: blur(20px);
            border-left: 1px solid rgba(255,255,255,0.05); 
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav .close-button {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 1.5rem;
            cursor: pointer;
            color: #fff;
            transition: transform 0.3s;
        }
        .mobile-nav .close-button:hover {
            transform: rotate(90deg);
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 30px;
            margin-top: 30px;
        }
        .mobile-nav-links a {
            color: #fff;
            text-decoration: none;
            font-size: 1.2rem;
            transition: all 0.3s;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .mobile-nav-links a:hover {
            color: #007BFF;
            padding-left: 10px;
        }
        /* ---------- 全局基础样式 ---------- */
        * { 
            margin: 0; 
            padding: 0; 
            box-sizing: border-box; 
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; 
        }
        body { 
            background: #0a0a0a; 
            color: #fff; 
            line-height: 1.8; 
        }
        .container { 
            max-width: 1400px; 
            margin: 0 auto; 
            padding: 0 20px; 
        }
        .section { 
            padding: 120px 0; 
            margin-top: 80px; /* 避免被导航栏遮挡 */
        }
        h2 { 
            font-size: clamp(2rem, 5vw, 3rem); 
            margin-bottom: 60px; 
            text-align: center; 
        }
        .blue-highlight { 
            color: #007BFF; 
            background: -webkit-linear-gradient(45deg, #007BFF, #00E5FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
        }
        
        /* ---------- 导航栏样式 ---------- */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 20px 0;
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 1000;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-style: italic;
        }
        .nav-logo i {
            color: #007BFF;
            font-size: 1.2em;
        }
        .nav-links {
            display: flex;
            gap: 40px;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }
        .mobile-menu-button {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* ---------- 产品页面专属样式 ---------- */
        .product-header {
            margin-bottom: 60px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .search-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }
        .search-input {
            width: 100%;
            padding: 20px 60px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 50px;
            color: #fff;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #007BFF;
            box-shadow: 0 0 15px rgba(0,123,255,0.2);
            background: rgba(255,255,255,0.05);
            transform: translateY(-3px);
        }
        .search-icon {
            position: absolute;
            left: 25px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255,255,255,0.5);
            font-size: 1.2rem;
        }
        .filter-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        .filter-btn {
            background: rgba(255,255,255,0.05);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.1);
            padding: 12px 30px;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
        }
        .filter-btn:hover,
        .filter-btn.active {
            background: #007BFF;
            border-color: #007BFF;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,123,255,0.3);
        }
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }
        .product-card {
            background: rgba(255,255,255,0.05);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #007BFF, #00E5FF);
            transform: scaleX(0);
            transition: transform 0.3s;
        }
        .product-card:hover {
            background: rgba(255,255,255,0.08);
            transform: translateY(-10px);
            border-color: rgba(255,255,255,0.15);
        }
        .product-card:hover::before {
            transform: scaleX(1);
        }
        .product-type {
            color: #007BFF;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .product-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        .product-desc {
            color: rgba(255,255,255,0.8);
            font-size: 0.95rem;
            margin-bottom: 25px;
            min-height: 80px;
        }
        .product-specs {
            list-style: none;
            margin-bottom: 30px;
        }
        .product-specs li {
            display: flex;
            align-items: center;
            color: rgba(255,255,255,0.85);
            margin-bottom: 8px;
            font-size: 0.9rem;
        }
        .product-specs li i {
            color: #007BFF;
            margin-right: 10px;
            font-size: 0.8rem;
        }
        .product-btn {
            display: inline-block;
            background: linear-gradient(45deg, #007BFF, #0056B3);
            color: #fff;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .product-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,123,255,0.4);
            border-color: rgba(255,255,255,0.2);
        }
        
        /* ---------- 移动端适配 ---------- */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-button {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .product-grid { 
                grid-template-columns: 1fr; 
            }
            .filter-buttons { 
                gap: 15px; 
            }
            .filter-btn { 
                padding: 10px 20px; 
                font-size: 0.9rem; 
            }
        }
        
        i{
    font-size: 2.5rem; /* 若用Font Awesome，保留此属性 */
    background: -webkit-linear-gradient(45deg, #007BFF, #00E5FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
        
        .nav-links a:hover {
            color: #007BFF;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: #007BFF;
            transition: width 0.3s;
        }
        .logo{
    width: 13rem;
}