/* styles.css */
/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header */
header {
    padding: 20px 0;
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 70px;
}

.logo img {
    height: 100%;
}

/* Navigation */
nav {
    display: flex;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #333;
    margin-left: 30px;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #0066cc;
}

.social-links {
    margin-left: 30px;
}

.social-links img {
    height: 20px;
    margin-left: 15px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 60px 0;
    margin-top: -10px; /* Compensate for fixed header */
}

.hero-content {
    text-align: center;
    color: white;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 40px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.4em;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.company-name {
    color: #4dabf7;
    font-weight: bold;
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-column {
    flex: 1;
    margin-right: 40px;
}

.footer-column h3 {
    margin-bottom: 15px;
    color: #4dabf7;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5em;
    }
    
    .hero p {
        font-size: 1.2em;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-column {
        margin-bottom: 20px;
    }
}

/* Roadmap Section */
.roadmap {
    padding: 80px 0;
    background: white;
    width: 100%;
}

.roadmap-content {
    text-align: center;
    width: 100%;        /* 改为100%宽度 */
    margin: 0 auto;
    padding: 0;         /* 移除内边距 */
}

.roadmap-content h1 {
    font-size: 2.5em;
    margin-bottom: 50px;
    color: #333;
}

.roadmap-container {
    width: 70%;         /* 设置为视窗宽度的70% */
    margin: 0 auto;     /* 居中对齐 */
    padding: 20px;
}

.roadmap-image {
    width: 100%;        /* 图片宽度设为100% */
    height: auto;       /* 高度自适应 */
    min-width: 800px;   /* 设置最小宽度 */
}

/* 响应式设计 */
@media (max-width: 768px) {
    .roadmap-content h1 {
        font-size: 2em;
    }
    
    .roadmap-container {
        width: 80%;     /* 在小屏幕上稍微扩大宽度 */
        padding: 10px;
    }
    
    .roadmap-image {
        min-width: auto; /* 在小屏幕上取消最小宽度限制 */
    }
}