/* 基础样式和变量 */
        :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --text-color: #333;
            --light-text: #fff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;

            --article-light-color: #777;
            --bg-color: #fff;
            --card-bg: #f9f9f9;
            --border-color: #e0e0e0;
            --code-bg: #f5f5f5;
            --blockquote-bg: #f8f9fa;
            --blockquote-border: #3498db;
        }
        

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--bg-color);
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--secondary-color);
            color: var(--light-text);
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }

        .btn:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--secondary-color);
            color: var(--secondary-color);
        }

        .btn-outline:hover {
            background-color: var(--secondary-color);
            color: var(--light-text);
        }

        section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            font-size: 2.5rem;
            color: var(--primary-color);
        }

        /* 导航栏样式 */
        header {
            background-color: var(--light-text);
            box-shadow: var(--shadow);
            border-bottom: 1px solid #e0e0e0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            height: 80px;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 1.8rem;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .logo img {
            height: 40px;
            display: block;
        }

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

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--secondary-color);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary-color);
        }

        /* 首页英雄区域 */
        .hero {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: var(--light-text);
            padding: 150px 0 100px;
            text-align: center;
            height: 100vh;
        }

        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 2;
            pointer-events: none;
        }

        .floating-elements {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 3;
            pointer-events: none;
            overflow: hidden;
        }

        .floating-element {
            position: absolute;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            animation: float 15s infinite linear;
            /* backdrop-filter: blur(10px); */
            filter: blur(5px);
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            margin-top: calc(25vh - 75px);
            z-index: 5;
            position: relative;
            backdrop-filter: blur(10px);
            padding: 30px;
            border-radius: 30px;
            background-color: rgba(255, 255, 255, 0.2);
            box-shadow: var(--shadow)
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            justify-content: center;
        }

        /* 关于我们区域 */
        .about {
            background-color: var(--light-text);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h2 {
            font-size: 2.2rem;
            margin-bottom: 20px;
            color: var(--primary-color);
        }

        .about-text p {
            margin-bottom: 20px;
        }

        .about-image {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

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

        .about-image:hover img {
            transform: scale(1.05);
        }

        /* 产品区域 */
        .products {
            background-color: #f5f7fa;
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .product-card {
            background-color: var(--light-text);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }

        .product-image {
            height: 200px;
            overflow: hidden;
        }

        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .product-card:hover .product-image img {
            transform: scale(1.1);
        }

        .product-info {
            padding: 20px;
        }

        .product-info h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        .product-info p {
            margin-bottom: 15px;
            color: #666;
        }

        .product-price {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--accent-color);
            margin-bottom: 15px;
        }

        /* 页脚 */
        footer {
            background-color: var(--primary-color);
            color: var(--light-text);
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

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

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

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

        .footer-column ul li a {
            transition: var(--transition);
        }

        .footer-column ul li a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--light-text);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 50px;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }

            .nav-links.active {
                left: 0;
            }

            .hero {
                min-height: 800px;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .about-content {
                grid-template-columns: 1fr;
            }

            .hero-btns {
                flex-direction: column;
                align-items: center;
            }

            .hero-content {
                margin-top: 0
            }

            .btn {
                width: 100%;
                max-width: 250px;
            }
        }

        .icon {
            vertical-align: middle;
            margin-right: 8px;
        }

        .swiper {
            width: 100%;
            height: 100%;
            user-select: none;
        }

        .swiper-slide {
            text-align: center;
            font-size: 18px;
            background: #fff;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .swiper-slide img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .swiper-button-next, .swiper-button-prev {
            opacity: 0;
            color: var(--secondary-color);
        }
        .swiper:hover .swiper-button-next, .swiper:hover .swiper-button-prev {
            opacity: 1;
        }