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

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
}

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

/* 导航栏样式 */
nav {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #ff6b01;
}

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

.nav-links li a {
    text-decoration: none;
    color: #333;
    padding: 10px 20px;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: #ff6b01;
}

/* 首页banner样式 */
.hero {
    background: linear-gradient(135deg, rgba(255, 107, 1, 0.9), rgba(255, 159, 0, 0.8)), 
                linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), 
                url('banner.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    padding-top: 70px;
}

.hero-content {
    animation: fadeIn 1.5s ease-out;
}

.hero h1 {
    font-size: 64px;
    margin-bottom: 10px;
    letter-spacing: 4px;
    font-weight: 600;
}

.company-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.slogan {
    margin-bottom: 40px;
}

.slogan p {
    font-size: 32px;
    font-weight: 300;
    margin-bottom: 15px;
}

.sub-slogan {
    font-size: 20px !important;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: #fff;
    color: #ff6b01;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.cta-button:hover {
    background-color: #ff6b01;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 章节通用样式 */
.section {
    padding: 80px 0;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
}

/* 服务内容样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.service-card h3 {
    color: #ff6b01;
    margin-bottom: 15px;
}

/* 联系我们样式 */
.contact-info {
    text-align: center;
}

/* 页脚样式更新 */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.beian-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 14px;
}

.beian-info a {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.beian-info a:hover {
    opacity: 1;
}

.beian-info img {
    height: 16px;
    width: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 40px;
    }
    
    .company-subtitle {
        font-size: 18px;
        margin-bottom: 30px;
    }
    
    .slogan p {
        font-size: 24px;
    }
    
    .sub-slogan {
        font-size: 16px !important;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .beian-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .beian-info a {
        justify-content: center;
    }
}