/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
}

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

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 24px;
    color: #1e88e5;
}

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

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #1e88e5;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #1e88e5, #1565c0);
    color: white;
    padding: 160px 0 100px;
    text-align: center;
}

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

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: #fff;
    color: #1e88e5;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: translateY(-3px);
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-text {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    font-size: 18px;
}

/* 经营范围样式 */
.business-scope {
    margin-top: 40px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    text-align: left;
}

.business-scope h3 {
    color: #1e88e5;
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

.business-scope p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
    text-align: justify;
    text-justify: inter-character;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-10px);
}

.feature i {
    font-size: 40px;
    color: #1e88e5;
    margin-bottom: 20px;
}

/* 产品服务 */
.products {
    padding: 80px 0;
}

.products h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

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

.product-card {
    padding: 40px;
    text-align: center;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-card i {
    font-size: 40px;
    color: #1e88e5;
    margin-bottom: 20px;
}

.product-card h3 {
    margin-bottom: 15px;
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.contact h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.info-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.info-item i {
    font-size: 30px;
    color: #1e88e5;
    margin-bottom: 15px;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        margin-top: 20px;
    }

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

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 20px;
    }
}