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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* 导航栏样式 */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #1e88e5;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

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

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

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

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #1e88e5;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

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

/* 主页横幅样式 */
.hero {
    background: linear-gradient(135deg, #1e88e5, #1565c0);
    padding: 160px 20px 80px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
                linear-gradient(-45deg, rgba(255,255,255,0.1) 25%, transparent 25%),
                linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.1) 75%),
                linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.1) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    from {
        background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    }
    to {
        background-position: 40px 0, 40px 10px, 50px -10px, 30px 0px;
    }
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards;
}

.hero p {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease 0.3s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 服务部分样式 */
.services {
    padding: 80px 20px;
    background: #f5f5f5;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
    color: #1e88e5;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #1e88e5;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #1e88e5;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.service-card h3 {
    color: #1e88e5;
    margin-bottom: 15px;
}

/* 关于我们部分样式 */
.about {
    padding: 80px 20px;
    background: white;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    color: #1e88e5;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 15px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.about-text.visible p {
    opacity: 1;
    transform: translateX(0);
}

/* 联系我们部分样式 */
.contact {
    padding: 80px 20px;
    background: #1e88e5;
    color: white;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 25%, transparent 25%);
    background-size: 3em 3em;
    opacity: 0.1;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.contact-container p {
    margin: 10px 0;
    transition: transform 0.3s ease;
}

.contact-container p:hover {
    transform: translateX(10px);
}

/* 页脚样式 */
.footer {
    background: #333;
    color: white;
    padding: 20px;
    text-align: center;
}

.footer .icp-link {
    color: #1e88e5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer .icp-link:hover {
    color: #90caf9;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .about-container {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2em;
    }

    .hero p {
        font-size: 1em;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}