:root {
    --primary-color: #2B85FE;
    --secondary-color: #00C4CC;
    --text-color: #333;
    --bg-color: #fff;
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* 导航栏样式 */
header {
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 40px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* 主页横幅样式 */
.hero {
    position: relative;
    overflow: hidden;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 30px;
    margin-top: 2rem;
    transition: transform 0.3s;
}

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

.floating {
    animation: float 6s ease-in-out infinite;
}

.particles {
    animation: rotate 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 服务部分样式 */
.services {
    padding: 5rem 5%;
    background: #f8f9fa;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

/* 关于我们部分样式 */
.about {
    padding: 5rem 5%;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* 联系我们部分样式 */
.contact {
    padding: 5rem 5%;
    background: #f8f9fa;
}

.contact-info {
    max-width: 600px;
    margin: 2rem auto;
}

/* 页脚样式 */
footer {
    background: #333;
    color: white;
    padding: 2rem 5%;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}