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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: #1a73e8;
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

.nav-links a:hover {
    color: #1a73e8;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #667eea 100%);
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 70px;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    background-color: #fff;
    color: #1a73e8;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: #fff;
}

.about h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 16px;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* 业务服务 */
.services {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.services h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #333;
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f0f4ff;
    border-radius: 50%;
}

/* 业务图标样式 */
.icon-finance {
    width: 60px;
    height: 60px;
    background-color: #1a73e8;
    border-radius: 50%;
    position: relative;
}

.icon-finance::before {
    content: "$";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 36px;
    font-weight: bold;
}

.icon-ai {
    width: 60px;
    height: 60px;
    background-color: #34a853;
    border-radius: 50%;
    position: relative;
}

.icon-ai::before {
    content: "AI";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.icon-ecommerce {
    width: 60px;
    height: 60px;
    background-color: #fbbc05;
    border-radius: 50%;
    position: relative;
}

.icon-ecommerce::before {
    content: "🛒";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
}

.icon-lead {
    width: 60px;
    height: 60px;
    background-color: #ea4335;
    border-radius: 50%;
    position: relative;
}

.icon-lead::before {
    content: "🎯";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

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

.footer-logo h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.footer-logo p {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 30px;
}

.footer-links {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-links a {
    text-decoration: none;
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
}

.footer-copyright {
    font-size: 14px;
    color: #999;
    border-top: 1px solid #444;
    padding-top: 20px;
    width: 100%;
}

.footer-copyright a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        padding: 15px;
    }

    .nav-links {
        gap: 20px;
        margin-top: 15px;
    }

    .hero-content h2 {
        font-size: 36px;
    }

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

    .service-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .about h2,
    .services h2,
    .contact h2 {
        font-size: 28px;
    }

    .service-card {
        padding: 30px;
    }
}