/* 保持原有样式不变 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary: #0a1f3a;
            --secondary: #1a3a5f;
            --accent: #4a90e2;
            --accent-light: #6ba8f0;
            --text: #f0f4f8;
            --text-secondary: #b8c7d9;
        }

        body {
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏样式 */
        header {
            background-color: rgba(10, 31, 58, 0.9);
            position: fixed;
            width: 100%;
            z-index: 1000;
            padding: 15px 0;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            text-decoration: none;
            display: flex;
            align-items: center;
        }

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

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

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--accent);
            transition: width 0.3s;
        }

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

        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
        }

        /* 英雄区域样式 */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
            top: -50%;
            left: -50%;
            animation: float 15s infinite linear;
            pointer-events: none;
            z-index: 0;
        }

        @keyframes float {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        .hero-content {
            max-width: 650px;
            z-index: 2;
            position: relative;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(to right, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: var(--text-secondary);
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(to right, var(--accent), var(--accent-light));
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: 600;
            text-decoration: none;
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
            position: relative;
            z-index: 3;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(74, 144, 226, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent);
            margin-left: 15px;
        }

        /* 产品区域样式 */
        .products {
            padding: 100px 0;
            background-color: var(--secondary);
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            width: 70px;
            height: 3px;
            background: linear-gradient(to right, var(--accent), var(--accent-light));
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        .product-featured {
            display: flex;
            align-items: center;
            gap: 50px;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 40px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* 轮播图样式 */
        .carousel-container {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            position: relative;
        }

        .carousel {
            position: relative;
            width: 100%;
            height: 400px;
            overflow: hidden;
        }

        .carousel-slides {
            display: flex;
            transition: transform 0.5s ease-in-out;
            height: 100%;
        }

        .carousel-slide {
            min-width: 100%;
            height: 100%;
            position: relative;
        }

        .carousel-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .carousel-controls {
            position: absolute;
            top: 50%;
            width: 100%;
            display: flex;
            justify-content: space-between;
            transform: translateY(-50%);
            padding: 0 15px;
            z-index: 10;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .carousel:hover .carousel-controls {
            opacity: 1;
        }

        .carousel-btn {
            background: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }

        .carousel-btn:hover {
            background: rgba(0, 0, 0, 0.8);
        }

        .carousel-indicators {
            position: absolute;
            bottom: 15px;
            left: 0;
            right: 0;
            display: flex;
            justify-content: center;
            gap: 10px;
            z-index: 10;
        }

        .carousel-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: background 0.3s;
        }

        .carousel-indicator.active {
            background: var(--accent);
        }

        .product-content {
            flex: 1;
        }

        .product-content h3 {
            font-size: 2.2rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .product-content p {
            margin-bottom: 20px;
            color: var(--text-secondary);
        }

        .product-features {
            margin: 25px 0;
        }

        .feature-item {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
        }

        .feature-item i {
            color: var(--accent);
            margin-right: 10px;
        }

        /* 关于我们区域样式 */
        .about {
            padding: 100px 0;
            background-color: var(--primary);
        }

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

        .about-text {
            flex: 1;
        }

        .about-text h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--text-secondary);
        }

        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s;
        }

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

        /* 联系区域样式 */
        .contact {
            padding: 100px 0;
            background-color: var(--secondary);
        }

        .contact-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .contact-info {
            max-width: 600px;
        }

        .contact-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .contact-info p {
            margin-bottom: 30px;
            color: var(--text-secondary);
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-detail {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }

        .contact-detail i {
            color: var(--accent);
            margin-right: 15px;
            font-size: 1.2rem;
        }

        /* 页脚样式 */
        footer {
            background-color: #0a1525;
            padding: 70px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-column h4 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h4::after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background: var(--accent);
            bottom: 0;
            left: 0;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .beian {
            margin-top: 10px;
            font-size: 0.8rem;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content, .product-featured {
                flex-direction: column;
            }

            .hero h1 {
                font-size: 2.8rem;
            }

            .carousel {
                height: 350px;
            }
        }

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

            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background-color: var(--primary);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 50px;
                transition: left 0.3s;
            }

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

            .nav-links li {
                margin: 15px 0;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .section-title h2 {
                font-size: 2rem;
            }

            .carousel {
                height: 300px;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            .btn {
                display: block;
                width: 100%;
                margin-bottom: 10px;
            }

            .btn-outline {
                margin-left: 0;
            }

            .carousel {
                height: 250px;
            }
        }