/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: #333;
    background-color: #fefefe;
    overflow-x: hidden;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(254, 254, 254, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #eee;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px 0;
    max-width: 960px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.logo {
    font-size: 18px;
    font-weight: 400;
    color: #333;
    text-decoration: none;
    letter-spacing: 0.5px;
}

/* Main Content */
.main {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 0 120px;
}

.hero-content {
    max-width: 600px;
}

.images-container {
    margin: 80px 0;
}

.center-image {
    display: block;
    margin: 40px auto;
    width: 240px;
    height: auto;
}

/* 特定图片样式 */
img[src="ailiangzhu.png"] {
    width: 120px;
}

/* Footer */
.footer {
    background-color: #f8f8f8;
    padding: 60px 0;
    margin-top: 120px;
    border-top: 1px solid #eee;
}

.footer-bottom {
    text-align: center;
    color: #999;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 40px;
    font-size: 12px;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
    
    .nav {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .hero {
        min-height: 80vh;
        padding: 60px 0 80px;
    }
    
    .center-image {
        width: 200px;
        margin: 32px auto;
    }
    
    .images-container {
        margin: 60px 0;
    }
    
    .footer-bottom {
        padding: 0 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .nav {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .center-image {
        width: 160px;
        margin: 24px auto;
    }
    
    .images-container {
        margin: 48px 0;
    }
}