/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* 按钮样式 */
.btn-primary {
    background-color: #0055b8;
    border-color: #0055b8;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #004499;
    border-color: #004499;
}

.btn-outline-primary {
    color: #0055b8;
    border-color: #0055b8;
}

.btn-outline-primary:hover {
    background-color: #0055b8;
    border-color: #0055b8;
}

/* 卡片样式 */
.card {
    border-radius: 8px;
    overflow: hidden;
    border: none;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

/* 页脚样式 */
footer {
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

footer a {
    transition: color 0.3s;
    text-decoration: none;
}

footer a:hover {
    color: #0055b8 !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .contact-section {
        padding: 40px 0;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p.lead {
        font-size: 1rem;
    }
}