HTML+CSS实现不一样的的的企业官网效果

<header>
        <nav>
            <ul>
                <li><a href="#home">首页</a></li>
                <li><a href="#innovations">创新领域</a></li>
                <li><a href="#projects">项目案例</a></li>
                <li><a href="#stats">公司数据</a></li>
                <li><a href="#testimonials">客户反馈</a></li>
                <li><a href="#contact">联系我们</a></li>
            </ul>
        </nav>
    </header>
    <section id="home" class="hero">
        <div class="hero-content">
            <h1>未来科技集团</h1>
            <p>引领创新，塑造未来</p>
            <a href="#innovations" class="btn">探索我们的创新</a>
        </div>
    </section>
    <section id="innovations" class="section">
        <div class="container">
            <div class="section-header">
                <h2>创新领域</h2>
                <p>我们专注于前沿科技，推动各行各业的数字化转型</p>
            </div>
            <div class="innovation-grid">
                <div class="innovation-item">
                    <i class="fas fa-brain"></i>
                    <h3>人工智能</h3>
                    <p>开发智能算法，实现自动化决策和预测分析</p>
                </div>
                <div class="innovation-item">
                    <i class="fas fa-vr-cardboard"></i>
                    <h3>增强现实</h3>
                    <p>创造沉浸式体验，revolutionize教育和娱乐行业</p>
                </div>
                <div class="innovation-item">
                    <i class="fas fa-robot"></i>
                    <h3>机器人技术</h3>
                    <p>研发智能机器人，提高工业生产效率</p>
                </div>
                <div class="innovation-item">
                    <i class="fas fa-microchip"></i>
                    <h3>物联网</h3>
                    <p>构建智能设备网络，实现万物互联</p>
                </div>
            </div>
        </div>
    </section>
    <section id="stats" class="section stats">
        <div class="container">
            <div class="stats-grid">
                <div class="stat-item">
                    <h3>200+</h3>
                    <p>成功案例</p>
                </div>
                <div class="stat-item">
                    <h3>50+</h3>
                    <p>行业合作伙伴</p>
                </div>
                <div class="stat-item">
                    <h3>30+</h3>
                    <p>技术专利</p>
                </div>
                <div class="stat-item">
                    <h3>98%</h3>
                    <p>客户满意度</p>
                </div>
            </div>
        </div>
    </section>
    <section id="testimonials" class="section testimonials">
        <div class="container">
            <div class="section-header">
                <h2>客户反馈</h2>
                <p>听听我们客户的心声</p>
            </div>
            <div class="testimonial-card">
                <img src="./img/1.png" alt="客户头像">
                <div>
                    <h3>张总 - 某大型制造企业CEO</h3>
                    <p>"未来科技集团的智能工厂解决方案帮助我们提高了30%的生产效率，真是令人惊叹！"</p>
                </div>
            </div>
            <div class="testimonial-card">
                <img src="./img/1.png" alt="客户头像">
                <div>
                <h3>李医生 - 某三甲医院副院长</h3>
                <p>"他们的AI诊断系统极大地提高了我们的工作效率和诊断准确率，是医疗领域的一大突破。"</p>
            </div>
            </div>
        </div>
        </section>

:root {
            --primary-color: #3498db;
            --secondary-color: #2ecc71;
            --dark-color: #34495e;
            --light-color: #ecf0f1;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            overflow-x: hidden;
        }
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        header {
            background-color: var(--dark-color);
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        nav ul {
            display: flex;
            justify-content: space-around;
            list-style: none;
        }
        nav ul li a {
            color: var(--light-color);
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s ease;
        }
        nav ul li a:hover {
            color: var(--primary-color);
        }
        .hero {
            height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: var(--light-color);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('./img/012.jpg') no-repeat center center/cover;
            opacity: 0.2;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            animation: fadeInUp 1s ease;
        }
        .hero p {
            font-size: 1.5rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            animation: fadeInUp 1s ease 0.5s forwards;
            opacity: 0;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .btn {
            display: inline-block;
            background-color: var(--light-color);
            color: var(--dark-color);
            padding: 0.8rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background-color: var(--dark-color);
            color: var(--light-color);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .section {
            padding: 1rem 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2rem;
        }
        .section-header h2 {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 1rem;
        }
        .section-header p {
            color: #777;
            max-width: 600px;
            margin: 0 auto;
        }
        .innovation-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .innovation-item {
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        .innovation-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }
        .innovation-item i {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        
        .stats {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: var(--light-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .stat-item h3 {
            font-size: 3rem;
            margin-bottom: 0.5rem;
        }
        .testimonials {
            background-color: var(--light-color);
        }
        .testimonial-card {
            background-color: #fff;
            border-radius: 10px;
            padding:1rem;
            margin-bottom: 2rem;
            display: flex;
            flex-direction: row;
            align-items: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
           
        }
        .testimonial-card img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin-right: 20px;
        }