/* 基础样式与重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

h1, h2, h3, h4 {
    font-family: 'Cinzel', serif;
    font-weight: 700;
}

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

.section {
    padding: 80px 0;
}

.section-dark {
    background: #2c3e50;
    color: #ecf0f1;
}

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

/* 导航栏 */
.navbar {
    background: rgba(44, 62, 80, 0.95);
    position: fixed;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    color: #ecf0f1;
    text-decoration: none;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #3498db;
}

header {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), 
                url('https://images.unsplash.com/photo-1518837695005-2083093ee35b?ixlib=rb-4.0.3') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.header-content {
    max-width: 800px;
}

.header-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.header-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s, transform 0.3s;
    font-weight: 600;
}

.cta-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-stats {
    display: flex;
    justify-content: space-around;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #3498db;
}

.stat-label {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* 语言特色 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.feature-card h3 {
    color: #3498db;
    margin-bottom: 1rem;
}

/* 文字系统 */
.writing-system {
    text-align: center;
}

.writing-sample {
    margin: 2rem 0;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 2rem 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
}