/* 基础样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

header {
    background: #cf7537;
    color: #fff;
    padding: 10px 20px;
}

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

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

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

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 4px 0;
}

/* 响应式导航栏 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #cf7537;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }
}

/* 首页 */
.hero {
    background: url('hero-bg.jpg') no-repeat center center/cover;
    color: #333;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 24px;
    margin-bottom: 40px;
}

.hero .cta {
 /*   background: #ff6600;
    color: #fff;*/
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}

/* 关于我们 */
.about {
    padding: 50px 20px;
    text-align: center;
}

.about h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
}

/* 服务 */
.services {
    padding: 50px 20px;
    text-align: center;
}

.services h2 {
    font-size: 36px;
    margin-bottom: 40px;
}

.service-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.service-item {
    background: #f4f4f4;
    padding: 20px;
    margin: 10px;
    border-radius: 5px;
    width: 30%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .service-item {
        width: 100%;
    }
}

/* 联系我们 */
.contact {
    padding: 50px 20px;
    text-align: center;
}

.contact h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact ul {
    list-style: none;
    padding: 0;
}

.contact ul li {
    font-size: 18px;
    margin-bottom: 10px;
}

/* 页脚 */
footer {
    background: #cf7537;
    color: #fff;
    text-align: center;
    padding: 20px;
}