/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px 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: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #4f46e5;
    text-decoration: none;
}

.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: #4f46e5;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

/* 首页横幅样式 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 软件分类样式 */
.app-categories {
    padding: 80px 0;
    background-color: #f9fafb;
}

.category-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.category-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #1f2937;
}

.category-card p {
    margin-bottom: 10px;
    opacity: 0.8;
}

/* 更多功能样式 */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1f2937;
}

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

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.feature-card i {
    font-size: 48px;
    color: #4f46e5;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1f2937;
}

/* 公司信息样式 */
.company-info {
    padding: 80px 0;
    background-color: #f9fafb;
}

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

.info-content p {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.6;
    opacity: 0.8;
}

/* 页脚样式 */
footer {
    background-color: #1f2937;
    color: white;
    padding: 40px 0;
}

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

.footer-content {
    margin-bottom: 30px;
    max-width: 800px;
}

.footer-content p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-bottom {
    width: 100%;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.contact-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.contact-link:hover {
    color: #4f46e5;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }
    
    .features h2 {
        font-size: 28px;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .menu-toggle {
        display: block;
    }
}