body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.8;
    color: #24292e;
    background-color: #ffffff;
}

.navbar {
    background-color: #ffffff !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.navbar-brand {
    color: #24292e !important;
    font-weight: 600;
}

.nav-link {
    color: #24292e !important;
}

.nav-link:hover {
    color: #0366d6 !important;
}

.hero-section {
    background-color: #f6f8fa;
    padding: 60px 0;
}

.card {
    background-color: #ffffff;
    border: 1px solid #e1e4e8;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-color: #0366d6;
}

/* 链接卡片样式 */
a .card {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover .card {
    transform: translateY(-5px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-color: #0366d6;
}

a:hover .card-title {
    color: #0366d6;
}

.card-title {
    color: #24292e;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-text {
    color: #586069;
    font-size: 1.1rem;
}

section {
    padding: 40px 0;
}

h1, h2 {
    color: #24292e;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.8rem;
    border-bottom: 1px solid #e1e4e8;
    padding-bottom: 0.5rem;
}

footer {
    margin-top: 50px;
    background-color: #f6f8fa;
    padding: 20px 0;
}

.btn-primary {
    background-color: #2ea44f;
    border-color: #2ea44f;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: #2c974b;
    border-color: #2c974b;
}

/* 技术详情页面样式 */
.technologies-content {
    max-width: 800px;
    margin: 0 auto;
}

.technologies-content ul {
    padding-left: 1.5rem;
}

.technologies-content li {
    margin-bottom: 0.5rem;
    color: #24292e;
}

.technologies-content strong {
    color: #24292e;
}

/* 链接样式 */
a {
    color: #0366d6;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #044289;
    text-decoration: underline;
}

/* 导航栏样式 */
.navbar-brand {
    font-weight: 600;
    font-size: 1.4rem;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
}

/* 添加一些 GitHub 风格的细节 */
.feature-icon {
    color: #0366d6;
}

.tech-stack .card {
    border-radius: 6px;
}

.tech-stack .card-title {
    font-size: 1.2rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 20px 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .card-text {
        font-size: 1rem;
    }
}